IEICE SEARCH SYSTEM

Fumiyuki ADACHI

Efficient Resource Utilization for Heterogeneous Wireless Personal Area Networks Abolfazl MEHBODNIYA Sonia AÏSSA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1577-1587 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: radio resource management, heterogeneous networks, MB-OFDM, DS-UWB, vertical handoff, grade of service,
	Summary \| Full Text:PDF (1.3MB)

Outage Channel Capacity of Direct/Cooperative AF Relay Switched SC-FDMA Using Spectrum Division/Adaptive Subcarrier Allocation Masayuki NAKADA Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/04/01 Vol. E96-B No. 4 pp. 1001-1011 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: cooperative AF relay, SC-FDMA, spectrum division/adaptive subcarrier allocation,
	Summary \| Full Text:PDF (1.9MB)

Throughput Optimization in Rateless Coded Cooperative Relay Networks Ashish JAMES A.S. MADHUKUMAR Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/05/01 Vol. E95-B No. 5 pp. 1810-1814 Type of Manuscript: LETTER Category: Fundamental Theories for Communications Keyword: rateless coding, cooperative communication, feedback,
	Summary \| Full Text:PDF (194.8KB)

2-Step QRM-MLBD for Broadband Single-Carrier Transmission Katsuhiro TEMMA Tetsuya YAMAMOTO Kyesan LEE Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1366-1374 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single-carrier, QR decomposition, M-algorithm, MMSE-FDE,
	Summary \| Full Text:PDF (2MB)

Iterative Superimposed Pilot-Assisted Channel Estimation Using Sliding Wiener Filtering for Single-Carrier Block Transmission Tetsuya UCHIUMI Tatsunori OBARA Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/03/01 Vol. E95-B No. 3 pp. 924-932 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: superimposed pilot, Wiener filter, autocorrelation function estimation,
	Summary \| Full Text:PDF (1.7MB)

Uplink Capacity of OFDM Multi-User MIMO Using Near-ML Detection in a Cellular System Masashi ITAGAKI Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/01/01 Vol. E95-B No. 1 pp. 198-205 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multi-user MIMO, OFDM, lattice reduction, QRM-MLD, uplink capacity,
	Summary \| Full Text:PDF (1.1MB)

An Adaptive Weighted Clustering Algorithm for Cooperative Communications Qiyue YU Weixiao MENG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/12/01 Vol. E94-B No. 12 pp. 3251-3258 Type of Manuscript: Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks) Category: Keyword: cooperative communications, clustering algorithm, WCA, stability, fairness,
	Summary \| Full Text:PDF (1.5MB)

Iterative MMSE Detection with Interference Cancellation for Up-Link HARQ Using Frequency-Domain Filtered SC-FDMA MIMO Multiplexing Suguru OKUYAMA Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/12/01 Vol. E94-B No. 12 pp. 3559-3568 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: SC-FDMA, MMSED, interference cancellation, frequency-domain filter, MIMO, HARQ,
	Summary \| Full Text:PDF (1.1MB)

Iterative MMSE-FDE/MUI Cancellation and Antenna Diversity for Frequency-Domain Filtered SC-FDMA Uplink Suguru OKUYAMA Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/10/01 Vol. E94-B No. 10 pp. 2847-2856 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: SC-FDMA, MMSE-FDE, MUI cancellation, frequency-domain filter,
	Summary \| Full Text:PDF (1MB)

Frequency Domain Adaptive Antenna Array for Broadband Single-Carrier Uplink Transmission Wei PENG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/07/01 Vol. E94-B No. 7 pp. 2003-2012 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: frequency domain adaptive antenna array, single carrier transmission, uplink, cellular system,
	Summary \| Full Text:PDF (901.7KB)

Transmission Performance of Frequency-Domain Filtered Single-Carrier Transmission Using Frequency-Domain Block Signal Detection with QRM-MLD Tetsuya YAMAMOTO Kazuki TAKEDA KyeSan LEE Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1386-1395 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single-carrier, frequency-domain filtering, frequency-domain block signal detection, QRM-MLD,
	Summary \| Full Text:PDF (1.3MB)

Joint MMSE-FDE & Spectrum Combining for a Broadband Single-Carrier Transmission in the Presence of Timing Offset Tatsunori OBARA Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1366-1375 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: frequency-domain equalization, single-carrier transmission, Nyquist filter, timing offset, oversampling,
	Summary \| Full Text:PDF (1.8MB)

A Dynamic Source-Follower Integrator and Its Application to ΔΣ Modulators Ryoto YAGUCHI Fumiyuki ADACHI Takao WAHO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/05/01 Vol. E94-C No. 5 pp. 802-806 Type of Manuscript: Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices) Category: Keyword: switched-capacitor, integrator, analog-to-digital converter, delta-sigma modulator,
	Summary \| Full Text:PDF (508.3KB)

Joint Iterative Transmit/Receive FDE & FDIC for Single-Carrier Block Transmissions Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1396-1404 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: frequency-domain equalization, interference cancellation, single-carrier,
	Summary \| Full Text:PDF (1010.4KB)

Performance Comparison of Overlap FDE and Sliding-Window Chip Equalization for Multi-Code DS-CDMA in a Frequency-Selective Fading Channel Tatsunori OBARA Kazuki TAKEDA Kyesan LEE Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/03/01 Vol. E94-B No. 3 pp. 750-757 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: overlap FDE, sliding-window chip equalization (SWCE), DS-CDMA,
	Summary \| Full Text:PDF (1.9MB)

Recent Advances in Single-Carrier Frequency-Domain Equalization and Distributed Antenna Network Fumiyuki ADACHI Kazuki TAKEDA Tatsunori OBARA Tetsuya YAMAMOTO Hiroki MATSUDA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 2201-2211 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Application in Communications) Category: INVITED Keyword: single-carrier, frequency-domain equalization, distributed antenna network, MIMO, signal detection,
	Summary \| Full Text:PDF (1.5MB)

Joint Water Filling-MRT Downlink Transmit Diversity for a Broadband Single-Carrier Distributed Antenna Network Hiroki MATSUDA Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2753-2760 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: distributed antenna network, transmit diversity, channel capacity, frequency-selective channel,
	Summary \| Full Text:PDF (866.5KB)

Frequency-Domain Block Signal Detection for Single-Carrier Transmission Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/08/01 Vol. E93-B No. 8 pp. 2104-2112 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single-carrier, frequency-domain equalization, MMSE, V-BLAST,
	Summary \| Full Text:PDF (1.4MB)

Performance Comparison between CDTD and STTD for DS-CDMA/MMSE-FDE with Frequency-Domain ICI Cancellation Kazuaki TAKEDA Yohei KOJIMA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/09/01 Vol. E92-B No. 9 pp. 2882-2890 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, MMSE-FDE, cyclic delay transmit diversity (CDTD), space-time transmit diversity (STTD), ICI cancellation,
	Summary \| Full Text:PDF (1.2MB)

Introduction of Frequency-Domain Signal Processing to Broadband Single-Carrier Transmissions in a Wireless Channel Fumiyuki ADACHI Hiromichi TOMEBA Kazuki TAKEDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/09/01 Vol. E92-B No. 9 pp. 2789-2808 Type of Manuscript: SURVEY PAPER Category: INVITED Keyword: single-carrier, frequency-domain equalization, frequency-selective channel, wireless systems,
	Summary \| Full Text:PDF (2.1MB)

Pilot-Assisted Channel Estimation for Orthogonal Multi-Carrier DS-CDMA with Frequency-Domain Equalization Tomoyuki SHIMA Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/09/01 Vol. E92-B No. 9 pp. 2874-2881 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: orthogonal MC DS-CDMA, frequency-domain equalization, pilot-assisted channel estimation,
	Summary \| Full Text:PDF (807.4KB)

2-Step Maximum Likelihood Channel Estimation for Multicode DS-CDMA with Frequency-Domain Equalization Yohei KOJIMA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/06/01 Vol. E92-B No. 6 pp. 2065-2071 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization, MMSE, channel estimation,
	Summary \| Full Text:PDF (683.3KB)

Performance Improvement by Frequency-Domain Interleaving for OFDM/TDM Using MMSE-FDE in a Wireless Channel Haris GACANIN Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1813-1817 Type of Manuscript: Special Section LETTER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: OFDM/TDM, MMSE-FDE, frequency-domain interleaving, channel frequency-selectivity,
	Summary \| Full Text:PDF (217KB)

A Novel Cooperative Relaying Network Scheme with Inter-Relay Data Exchange Salma Ait FARES Fumiyuki ADACHI Eisuke KUDOH
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1786-1795 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: cooperative relay network, transmit beamforming, MRC, adaptive antenna array, optimal relay locations,
	Summary \| Full Text:PDF (559KB)

Hybrid Frequency Reuse Scheme for Cellular MIMO Systems Wei PENG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1641-1648 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: MIMO, downlink capacity, frequency reuse factor,
	Summary \| Full Text:PDF (371.3KB)

Adaptive Code Assignment Algorithm for a Multi-User/Multi-Rate CDMA System Qiyue YU Fumiyuki ADACHI Weixiao MENG
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1600-1607 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: code assignment, code tree, cost function, DCA, CDMA,
	Summary \| Full Text:PDF (1.7MB)

Joint Frequency-Domain Equalization and Despreading for Multi-Code DS-CDMA Using Cyclic Delay Transmit Diversity Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1563-1572 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: DS-CDMA, frequency-domain equalization, cyclic delay transmit diversity,
	Summary \| Full Text:PDF (1.1MB)

RLS Channel Estimation with Adaptive Forgetting Factor for DS-CDMA Frequency-Domain Equalization Yohei KOJIMA Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1457-1465 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: DS-CDMA, frequency-domain equalization, channel estimation, RLS algorithm,
	Summary \| Full Text:PDF (1.1MB)

Frequency-Domain Equalization for Broadband Single-Carrier Multiple Access Fumiyuki ADACHI Hiromichi TOMEBA Kazuki TAKEDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1441-1456 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: INVITED Keyword: single-carrier, frequency-domain equalization, frequency-selective channel, wireless systems,
	Summary \| Full Text:PDF (2.2MB)

Throughput Performance of MC-CDMA HARQ Using ICI Cancellation Kaoru FUKUDA Akinori NAKAJIMA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/02/01 Vol. E92-B No. 2 pp. 491-498 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, HARQ, ICI cancellation, LDPC decoding,
	Summary \| Full Text:PDF (1.5MB)

Pilot-Assisted Adaptive Channel Estimation for Coded MC-CDMA with ICI Cancellation Tatsunori YUI Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/01/01 Vol. E92-B No. 1 pp. 246-253 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, interference cancellation, channel estimation,
	Summary \| Full Text:PDF (908.2KB)

Channel Capacity of MC-CDMA and Impact of Residual ICI Koichi ADACHI Fumiyuki ADACHI Masao NAKAGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/01/01 Vol. E92-B No. 1 pp. 219-227 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, channel capacity, ICI cancellation, theoretical study,
	Summary \| Full Text:PDF (1.6MB)

Channel Estimation Using Cyclic Delay Pilot for SC-MIMO Multiplexing Takafumi FUJIMORI Kazuki TAKEDA Kazuyuki OZAKI Akinori NAKAJIMA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/09/01 Vol. E91-B No. 9 pp. 2925-2932 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO multiplexing, channel estimation, cyclic delay,
	Summary \| Full Text:PDF (819.8KB)

On Cellular MIMO Channel Capacity Koichi ADACHI Fumiyuki ADACHI Masao NAKAGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/07/01 Vol. E91-B No. 7 pp. 2366-2373 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, multi-cell environemnt, channel capacity,
	Summary \| Full Text:PDF (2.3MB)

Combined Effect of Random Transmit Power Control and Inter-Path Interference Cancellation on DS-CDMA Packet Mobile Communications Eisuke KUDOH Haruki ITO ZhiSen WANG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/07/01 Vol. E91-A No. 7 pp. 1589-1596 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: IPI cancellation, random TPC, capture effect, packet, throughput,
	Summary \| Full Text:PDF (828.4KB)

Iterative Overlap FDE for Multicode DS-CDMA Kazuaki TAKEDA Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1942-1951 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, MMSE frequency-domain equalization, ICI cancellation, overlap FDE,
	Summary \| Full Text:PDF (1.3MB)

Multi-Hop Link Capacity of Multi-Route Multi-Hop MRC Diversity for a Virtual Cellular Network Imane DAOU Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/05/01 Vol. E91-B No. 5 pp. 1568-1574 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: virtual cellular network, multi-hop multi-route diversity, transmit power control, multi-hop link capacity,
	Summary \| Full Text:PDF (661.1KB)

Frequency-Domain Iterative Parallel Interference Cancellation for Multicode Spread-Spectrum MIMO Multiplexing Akinori NAKAJIMA Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/05/01 Vol. E91-B No. 5 pp. 1531-1539 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: spread-spectrum, MIMO multiplexing, frequency-domain iterative PIC, mobile communication,
	Summary \| Full Text:PDF (2.5MB)

Frequency-Domain Eigenbeam-SDM and Equalization for Single-Carrier Transmissions Kazuyuki OZAKI Akinori NAKAJIMA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/05/01 Vol. E91-B No. 5 pp. 1521-1530 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO multiplexing, frequency-domain SC E-SDM, MMSE-FDE, single-carrier transmission,
	Summary \| Full Text:PDF (1.3MB)

Orthogonal Multi-Carrier DS-CDMA with Frequency-Domain Equalization Ken TANAKA Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/04/01 Vol. E91-B No. 4 pp. 1055-1062 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: orthogonal MC DS-CDMA, frequency-domain equalization, frequency diversity gain,
	Summary \| Full Text:PDF (985.1KB)

PAPR Advantage of Amplitude Clipped OFDM/TDM Haris GACANIN Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/03/01 Vol. E91-B No. 3 pp. 931-934 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: OFDM/TDM, clipping, MMSE-FDE,
	Summary \| Full Text:PDF (305.8KB)

BER Performance Analysis of MC-CDMA with Overlap-FDE Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/03/01 Vol. E91-B No. 3 pp. 795-804 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: frequency-selective fading channel, overlap FDE, MC-CDMA,
	Summary \| Full Text:PDF (1.1MB)

Joint Tomlinson-Harashima Precoding and Frequency-Domain Equalization for Broadband Single-Carrier Transmission Kazuki TAKEDA Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 258-266 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single-carrier, frequency-domain equalization, Tomlinson-Harashima precoding,
	Summary \| Full Text:PDF (1.4MB)

DS-CDMA Downlink Site Diversity with Frequency-Domain Equalization and Antenna Diversity Reception Hirotaka SATO Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/12/01 Vol. E90-B No. 12 pp. 3591-3597 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization, site diversity, link capacity,
	Summary \| Full Text:PDF (836.5KB)

DS-CDMA HARQ with Overlap FDE Kazuki TAKEDA Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/11/01 Vol. E90-B No. 11 pp. 3189-3196 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, HARQ, overlap FDE,
	Summary \| Full Text:PDF (473.7KB)

Adaptive Decision Feedback Channel Estimation with Periodic Phase Correction for Frequency-Domain Equalization in DS-CDMA Mobile Radios Le LIU Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/08/01 Vol. E90-B No. 8 pp. 1997-2005 Type of Manuscript: PAPER Category: Transmission Systems and Transmission Equipment for Communications Keyword: DS-CDMA, frequency-domain equalization, adaptive decision feedback, channel estimation,
	Summary \| Full Text:PDF (815.2KB)

Frequency-Domain MMSE Channel Estimation for Frequency-Domain Equalization of DS-CDMA Signals Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/07/01 Vol. E90-B No. 7 pp. 1746-1753 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization, channel estimation, MMSE criterion,
	Summary \| Full Text:PDF (1MB)

Bit Error Rate Analysis of OFDM with Pilot-Assisted Channel Estimation Richol KU Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/07/01 Vol. E90-B No. 7 pp. 1725-1733 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, channel estimation, impulse response, polynomial interpolation, decision feedback, Wiener filter,
	Summary \| Full Text:PDF (899.5KB)

Iterative Channel Estimation for Frequency-Domain Equalization of DSSS Signals Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/05/01 Vol. E90-B No. 5 pp. 1171-1180 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DSSS, frequency-domain equalization (FDE), channel estimation,
	Summary \| Full Text:PDF (1.9MB)

Frequency-Domain Multi-Stage Soft Interference Cancellation for DS-CDMA Uplink Signal Transmission Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/05/01 Vol. E90-B No. 5 pp. 1152-1161 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization (FDE), MUI cancellation, multi-user detection (MUD),
	Summary \| Full Text:PDF (1.1MB)

Frequency-Domain Adaptive Antenna Array for Multi-Code MC-CDMA Osamu NAKAMURA Shinsuke TAKAOKA Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/04/01 Vol. E90-B No. 4 pp. 918-925 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, adaptive antenna array, adaptive algorithm, frequency-domain,
	Summary \| Full Text:PDF (1MB)

A DS-CDMA Cellular System Using Band Division and Channel Segregation Distributed Channel Allocation Suguru SUGAWARA Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/04/01 Vol. E90-B No. 4 pp. 904-909 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: channel assignment, channel segregation, DS-CDMA, link capacity,
	Summary \| Full Text:PDF (741.7KB)

Frequency-Domain Space-Time Block Coded-Joint Transmit/Receive Diversity for Direct-Sequence Spread Spectrum Signal Transmission Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/03/01 Vol. E90-B No. 3 pp. 597-606 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: frequency-selective fading channel, frequency-domain pre-equalization, space-time block coding, transmit/receive antenna diversity, DSSS,
	Summary \| Full Text:PDF (949.9KB)

Iterative FDIC Using 2D-MMSE FDE for Turbo-Coded HARQ in SC-MIMO Multiplexing Akinori NAKAJIMA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/03/01 Vol. E90-B No. 3 pp. 693-695 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: single-carrier, MIMO, iterative cancellation, MMSE, ARQ,
	Summary \| Full Text:PDF (295KB)

Space-Time Cyclic Delay Transmit Diversity for a Multi-Code DS-CDMA Signal with Frequency-Domain Equalization Ryoko KAWAUCHI Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/03/01 Vol. E90-B No. 3 pp. 591-596 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multi-code DS-CDMA, Frequency-domain equalization, Cyclic Delay Transmit Diversity (CDTD), Space-Time Transmit Diversity (STTD),
	Summary \| Full Text:PDF (1.1MB)

Frequency-Interleaved Spread Spectrum with MMSE Frequency-Domain Equalization Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/02/01 Vol. E90-B No. 2 pp. 260-268 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: component, MMSE-FDE, frequency-interleaving,
	Summary \| Full Text:PDF (971.5KB)

2-Dimensional OVSF Spread/Chip-Interleaved CDMA Le LIU Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3363-3375 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: CDMA, multi-rate, uplink transmission, chip interleaving, 2-dimensional OVSF spreading,
	Summary \| Full Text:PDF (1.2MB)

Frequency-Domain ICI Cancellation with MMSE Equalization for DS-CDMA Downlink Kazuaki TAKEDA Koichi ISHIHARA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3335-3343 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization, MMSE, ICI cancellation,
	Summary \| Full Text:PDF (989.1KB)

Iterative Frequency-Domain Soft Interference Cancellation for Multicode DS- and MC-CDMA Transmissions and Performance Comparison Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3344-3355 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, MC-CDMA, frequency-domain equalization (FDE), multicode, interference cancelation,
	Summary \| Full Text:PDF (1.3MB)

Impact of Shadowing Correlation on Reverse Link Capacity of DS-CDMA Cellular System Arif JUNAIDI Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3483-3486 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: DS-CDMA cellular system, reverse link capacity, shadowing correlation,
	Summary \| Full Text:PDF (307.2KB)

Joint Frequency-Domain STTD and Antenna Diversity Reception Based on MMSE Criterion for OFDM/TDM Haris GACANIN Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/10/01 Vol. E89-B No. 10 pp. 2952-2955 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: OFDM/TDM, frequency-domain STTD,
	Summary \| Full Text:PDF (374.8KB)

Decision Feedback Chip-Level Maximum Likelihood Detection for DS-CDMA in a Frequency-Selective Fading Channel Akihiro SAITO Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/09/01 Vol. E89-B No. 9 pp. 2564-2571 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-selective fading channel, maximum likelihood detection, rake combining,
	Summary \| Full Text:PDF (865.7KB)

A Study on Spatial MMSE Despreading for OSTSTD in a Fast Fading Channel Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/08/01 Vol. E89-B No. 8 pp. 2266-2270 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: OSTSTD, spatial MMSE despreading, fast fading,
	Summary \| Full Text:PDF (302KB)

Space-Time Block Coded Joint Transmit/Receive Diversity in a Frequency-Nonselective Rayleigh Fading Channel Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/08/01 Vol. E89-B No. 8 pp. 2189-2195 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: antenna diversity, space-time block coding, time-division duplex,
	Summary \| Full Text:PDF (740KB)

Blocking Probability of a DS-CDMA Multi-Hop Virtual Cellular Network Lalla Soundous EL ALAMI Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/07/01 Vol. E89-A No. 7 pp. 1875-1883 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: virtual cellular network, multi-hop network, channel segregation dynamic channel assignment, blocking probability,
	Summary \| Full Text:PDF (917.1KB)

Theoretical Performance Analysis of Downlink Site Diversity in an MC-CDMA Cellular System Arny ALI Takamichi INOUE Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/04/01 Vol. E89-B No. 4 pp. 1294-1304 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, site diversity, downlink capacity, outage probability, MMSE-based FDE, antenna diversity,
	Summary \| Full Text:PDF (1MB)

Bit Error Rate Analysis of OFDM/TDM with Frequency-Domain Equalization Haris GACANIN Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/02/01 Vol. E89-B No. 2 pp. 509-517 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, time division multiplexing, frequency-domain equalization, frequency-selective fading,
	Summary \| Full Text:PDF (620.1KB)

Frequency-Domain Pre-Equalization for MC-CDMA/TDD Uplink and Its Bit Error Rate Analysis Satoshi ABE Shinsuke TAKAOKA Hiromichi TOMEBA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/01/01 Vol. E89-B No. 1 pp. 162-173 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MC-CDMA, frequency-domain pre-equalization, frequency-selective channel,
	Summary \| Full Text:PDF (1MB)

Transmit Power Efficiency of Multi-Hop MRC Diversity for a Virtual Cellular Network Imane DAOU Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/09/01 Vol. E88-B No. 9 pp. 3643-3648 Type of Manuscript: Special Section LETTER (Special Section on Advances in Ad Hoc Mobile Communications and Networking) Category: Keyword: virtual cellular network, multi-hop MRC diversity, transmit power control, wireless multi-hop,
	Summary \| Full Text:PDF (622.7KB)

Frequency-Domain Pre-Equalization for Multicode Direct Sequence Spread Spectrum Signal Transmission Fumiyuki ADACHI Kazuaki TAKEDA Hiromichi TOMEBA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/07/01 Vol. E88-B No. 7 pp. 3078-3081 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: pre-equalization, frequency-domain equalization, direct sequence spread spectrum,
	Summary \| Full Text:PDF (342.2KB)

Pilot-Assisted Channel Estimation Using Adaptive Interpolation for Coherent Rake Reception of DS-CDMA Signals Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/07/01 Vol. E88-B No. 7 pp. 2962-2970 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, adaptive interpolation, conjugate centrosymmetry property, fast convergence,
	Summary \| Full Text:PDF (981.7KB)

Distributed Dynamic Channel Assignment for Multi-Hop DS-CDMA Virtual Cellular Network Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2525-2531 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: virtual cellular network, multi-hop network, adhoc network, routing, dynamic channel assignment, channel segregation,
	Summary \| Full Text:PDF (766.4KB)

Orthogonal Space-Time Spreading Transmit Diversity Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/05/01 Vol. E88-B No. 5 pp. 2120-2127 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: transmit diversity, space-time spreading, fading channel,
	Summary \| Full Text:PDF (902.2KB)

Theoretical Study of Site Selection Diversity Transmission in DS-CDMA Cellular Mobile Radio Mahbub ALAM Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/05/01 Vol. E88-B No. 5 pp. 2202-2206 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: DS-CDMA, site diversity, soft handoff, forward link capacity, rake combining,
	Summary \| Full Text:PDF (477.7KB)

Frequency-Domain Adaptive Prediction Iterative Channel Estimation for OFDM Signal Reception Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/04/01 Vol. E88-B No. 4 pp. 1730-1734 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: OFDM, iterative channel estimation, adaptive prediction, frequency-selective fading,
	Summary \| Full Text:PDF (458.7KB)

Power and Frequency Efficient Wireless Multi-Hop Virtual Cellular Concept Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/04/01 Vol. E88-B No. 4 pp. 1613-1621 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: virtual cellular network, frequency reuse distance, transmit power efficiency, multi-hop, routing,
	Summary \| Full Text:PDF (978.3KB)

Performance Evaluation of Multi-Rate DS-CDMA Using Frequency-Domain Equalization in a Frequency-Selective Fading Channel Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/03/01 Vol. E88-B No. 3 pp. 1191-1201 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: DS-CDMA, frequency-domain equalization, frequency-selective fading,
	Summary \| Full Text:PDF (1.1MB)

Frequency-Domain Pre-Rake Transmission for DSSS/TDD Mobile Communications Systems Fumiyuki ADACHI Kazuaki TAKEDA Hiromichi TOMEBA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 784-787 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: frequency-domain equalization, pre-rake, spread spectrum, mobile radio,
	Summary \| Full Text:PDF (442.6KB)

Throughput Comparison of Turbo-Coded HARQ in OFDM, MC-CDMA and DS-CDMA with Frequency-Domain Equalization Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 664-677 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, multicode MC-CDMA, multicode DS-CDMA, MMSE frequency-domain equalization, RCPT HARQ,
	Summary \| Full Text:PDF (2.3MB)

A More Accurate Analysis of Interference for Rake Combining on DS-CDMA Forward Link in Mobile Radio Kaibin HUANG Fumiyuki ADACHI Yong Huat CHEW
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 654-663 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: mobile radio, Rake receiver, DS-CDMA, multipath fading channel, multiple-access-interference,
	Summary \| Full Text:PDF (967.6KB)

Frequency-Domain Pre-Equalization Transmit Diversity for MC-CDMA Uplink Transmission Hiromichi TOMEBA Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 575-584 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2) Category: Keyword: pre-equalization, transmit diversity, MC-CDMA, frequency-domain equalization, frequency-selective channel,
	Summary \| Full Text:PDF (1.4MB)

Pilot-Assisted Decision Feedback Channel Estimation for STTD in OFDM Mobile Radio Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 561-567 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2) Category: Keyword: pilot, decision feedback, channel estimation, OFDM, STTD,
	Summary \| Full Text:PDF (1.3MB)

FOREWORD Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 425-426 Type of Manuscript: FOREWORD Category: Keyword:
	Summary \| Full Text:PDF (52.6KB)

Study on the OVSF Code Selection for Downlink MC-CDMA Takamichi INOUE Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 499-508 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2) Category: Keyword: MC-CDMA, MMSE frequency-domain equalization, OVSF code, frequency-selective fading, frequency interleaving,
	Summary \| Full Text:PDF (1.3MB)

Frequency-Domain Equalization for MC-CDMA Downlink Site Diversity and Performance Evaluation Takamichi INOUE Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 84-92 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1) Category: Diversity Keyword: MC-CDMA, site diversity, MMSE frequency-domain equalization,
	Summary \| Full Text:PDF (1.1MB)

Diversity-Coding-Orthogonality Trade-off for Coded MC-CDMA with High Level Modulation Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 76-83 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1) Category: Diversity Keyword: MC-CDMA, high-level modulation, spreading factor, frequency diversity, channel coding, orthogonality,
	Summary \| Full Text:PDF (1MB)

FOREWORD Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
	Summary \| Full Text:PDF (52.5KB)

Iterative Adaptive Soft Parallel Interference Canceller for Turbo Coded MIMO Multiplexing Akinori NAKAJIMA Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/12/01 Vol. E87-B No. 12 pp. 3813-3819 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: MIMO multiplexing, parallel interference canceller, mobile communication, Rayleigh fading, turbo coding,
	Summary \| Full Text:PDF (999.3KB)

Application of Random Transmit Power Control to DS-CDMA/TDD Packet Mobile Radio ZhiSen WANG Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/10/01 Vol. E87-B No. 10 pp. 3144-3149 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: DS-CDMA, packet communication, capture effect, transmit power control, link capacity,
	Summary \| Full Text:PDF (685.4KB)

Bit Error Rate Analysis of DS-CDMA with Joint Frequency-Domain Equalization and Antenna Diversity Combining Fumiyuki ADACHI Kazuaki TAKEDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/10/01 Vol. E87-B No. 10 pp. 2991-3002 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: DS-CDMA, frequency-domain equalization, antenna diversity, mobile radio,
	Summary \| Full Text:PDF (1.1MB)

Performance Comparison of Delay Transmit Diversity and Frequency-Domain Space-Time Coded Transmit Diversity for Orthogonal Multicode DS-CDMA Signal Reception Using Frequency-Domain Equalization Takeshi ITAGAKI Kazuaki TAKEDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/09/01 Vol. E87-B No. 9 pp. 2719-2728 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multicode DS-CDMA, frequency-domain equalization, MMSE, transmit diversity,
	Summary \| Full Text:PDF (1.7MB)

Multipath Fading Simulator Based on Distributed Scattering Model Hidenori OKUNI Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2422-2426 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: fading simulator, arrival angle distribution,
	Summary \| Full Text:PDF (799.9KB)

Joint Use of Frequency-Domain Equalization and Transmit/Receive Antenna Diversity for Single-Carrier Transmissions Kazuaki TAKEDA Takeshi ITAGAKI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/07/01 Vol. E87-B No. 7 pp. 1946-1953 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: single-carrier transmission, frequency-domain equalization, delay transmit diversity, frequency-selective fading,
	Summary \| Full Text:PDF (1MB)

Impact of Shadowing Correlation on Spectrum Efficiency of a Power Controlled Cellular System Kentarou SAWA Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/07/01 Vol. E87-B No. 7 pp. 1964-1969 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: cellular system, frequency reuse distance, transmit power control, outage, shadowing correlation,
	Summary \| Full Text:PDF (879.3KB)

Joint Frequency-Domain Equalization and Antenna Diversity Combining for Orthogonal Multicode DS-CDMA Signal Transmissions in a Frequency-Selective Fading Channel Takeshi ITAGAKI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/07/01 Vol. E87-B No. 7 pp. 1954-1963 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: frequency-domain equalization, antenna diversity, multicode DS-CDMA, frequency-selective fading,
	Summary \| Full Text:PDF (1.8MB)

Joint Space-Time Transmit Diversity and Minimum Mean Square Error Equalization for MC-CDMA with Antenna Diversity Reception Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/04/01 Vol. E87-B No. 4 pp. 849-857 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: mobile radio, MC-CDMA, MMSE equalization, space-time coding, transmit diversity,
	Summary \| Full Text:PDF (1.2MB)

Impact of Arrival Angle Spread of Each Cluster of Irresolvable Paths on Adaptive Antenna Array and Antenna Diversity in DS-CDMA Mobile Radio Yusuke SUZUKI Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/04/01 Vol. E87-B No. 4 pp. 1037-1040 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: adaptive antenna array, mobile communication, DS-CDMA, LMS algorithm, multipath fading,
	Summary \| Full Text:PDF (783.3KB)

A Study on Optimum Weights for Delay Transmit Diversity for DS-CDMA in a Frequency Non-selective Fading Channel Akihito KATOH Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/04/01 Vol. E87-B No. 4 pp. 838-848 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: transmit diversity, transmit power control, fading, DS-CDMA, Rake combining,
	Summary \| Full Text:PDF (1.6MB)

Chip Interleaved Multicode DS-CDMA with MMSEC in A Fading Channel Takeshi ITAGAKI Tomoki SAO Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/01/01 Vol. E87-B No. 1 pp. 79-87 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: multicode DS-CDMA, chip interleaving, MMSEC, fading channel,
	Summary \| Full Text:PDF (1MB)

The Overview of the New Generation Mobile Communication System and the Role of Software Defined Radio Technology Hiroshi HARADA Masahiro KURODA Hiroyuki MORIKAWA Hiromitsu WAKANA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/12/01 Vol. E86-B No. 12 pp. 3374-3384 Type of Manuscript: INVITED PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: software defined radio (SDR), new generation mobile communication system, seamless communications,
	Summary \| Full Text:PDF (2.5MB)

On Received Signal Power Distribution of Wideband Signals in a Frequency-Selective Rayleigh Fading Channel Fumiyuki ADACHI Akihito KATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/11/01 Vol. E86-B No. 11 pp. 3340-3343 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: signal power distribution, frequency-selective channel, Nakagami m-fading, mobile communication,
	Summary \| Full Text:PDF (350.9KB)

Joint Antenna Diversity and Frequency-Domain Equalization for Multi-Rate MC-CDMA Fumiyuki ADACHI Tomoki SAO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/11/01 Vol. E86-B No. 11 pp. 3217-3224 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: MC-CDMA, MMSEC, frequency-domain equalization, antenna diversity, frequency-selective channel,
	Summary \| Full Text:PDF (945.8KB)

Frequency-Domain Rake Combining for Antenna Diversity Reception of DS-CDMA Signals Fumiyuki ADACHI Takeshi ITAGAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/09/01 Vol. E86-B No. 9 pp. 2781-2784 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: frequency-domain equalization, rake combining, antenna diversity reception, DS-CDMA,
	Summary \| Full Text:PDF (367.1KB)

Theoretical Analysis of MC-CDMA Forward Link Performance in the Presence of Pure Impulsive Interference Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/08/01 Vol. E86-B No. 8 pp. 2425-2432 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: impulsive interference, MC-CDMA, OFDM-CDMA, antenna diversity,
	Summary \| Full Text:PDF (642.5KB)

Uplink Link Capacity of DS-CDMA Packet Mobile Communications with Rake Combining and Transmit Power Control ZhiSen WANG Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/07/01 Vol. E86-B No. 7 pp. 2203-2206 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: DS-CDMA, packet communication, transmit power control, Rake combining, link capacity, capture effect,
	Summary \| Full Text:PDF (390.3KB)

A Weighted Delay Transmit Diversity System Combined with Antenna Diversity Reception for DS-CDMA Mobile Radio Akihito KATO Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/07/01 Vol. E86-B No. 7 pp. 2211-2215 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: transmit diversity (TD), transmit power control, fading, DS-CDMA, Rake combining,
	Summary \| Full Text:PDF (602.1KB)

Comparative Study of Iterative Channel Estimation Schemes for Turbo Decoding with Antenna Diversity Reception in Rayleigh Fading Ryohei KIMURA Deepshikha GARG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/03/01 Vol. E86-B No. 3 pp. 1149-1152 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: turbo decoding, pilot symbol, iterative channel estimation, iterative decoding,
	Summary \| Full Text:PDF (714.7KB)

Modeling of DS-CDMA Transmit Power Control in a Fast Fading Channel with Antenna Diversity Akihito KATOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/02/01 Vol. E86-B No. 2 pp. 769-776 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: DS-CDMA, transmit power control, fading, mobile radio communications system,
	Summary \| Full Text:PDF (1.1MB)

Effect of Transmit Power Limitation in Power Controlled DS-CDMA Akihito KATOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/02/01 Vol. E86-B No. 2 pp. 757-768 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: DS-CDMA, transmit power control, fading,
	Summary \| Full Text:PDF (1.2MB)

Comparative Study of Various Frequency Equalization Techniques for Downlink of a Wireless OFDM-CDMA System Tomoki SAO Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 352-364 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: OFDM, CDMA, frequency equalization combining, frequency selective channel,
	Summary \| Full Text:PDF (1.8MB)

Field Experiments on Pilot Symbol-Assisted Coherent Multistage Interference Canceller in DS-CDMA Reverse Link Kenichi HIGUCHI Koichi OKAWA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 181-190 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: mobile radio communication, DS-CDMA, interference canceller, transmit power control, channel estimation,
	Summary \| Full Text:PDF (1.6MB)

Experimental Evaluation of High Rate Data Transmission Using Turbo/Convolutional Coding in W-CDMA Mobile Communications Kenichi HIGUCHI Takehiro IKEDA Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/12/01 Vol. E85-B No. 12 pp. 2750-2759 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: mobile radio communication, DS-CDMA, turbo coding, convolutional coding, fast transmission power control,
	Summary \| Full Text:PDF (1.9MB)

Pilot-Aided Threshold Detection Combining for OFDM-CDMA Down Link Transmissions in a Frequency Selective Fading Channel Tomoki SAO Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/12/01 Vol. E85-B No. 12 pp. 2816-2827 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: OFDM, CDMA, frequency-domain equalization, doubly selective multipath fading channel,
	Summary \| Full Text:PDF (810.8KB)

Analysis of DS-CDMA Transmission Performance in the Presence of Pure Impulsive Interference over Frequency Selective Fading Eisuke KUDOH Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/11/01 Vol. E85-B No. 11 pp. 2395-2404 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: impulsive interference, DS-CDMA, antenna diversity, Rake receiver,
	Summary \| Full Text:PDF (745.5KB)

Reverse Link Capacity of Orthogonal Multi-Code DS-CDMA with Multiple Connections Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/11/01 Vol. E85-B No. 11 pp. 2522-2526 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: orthogonal multi-code system, DS-CDMA, reverse link capacity, mobile communication system,
	Summary \| Full Text:PDF (483KB)

Adaptive Prediction Iterative Channel Estimation for Combined Antenna Diversity and Coherent Rake Reception of Multipath-Faded DSSS Signals Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/11/01 Vol. E85-B No. 11 pp. 2405-2415 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: iterative channel estimation, pilot symbol, DSSS, fading channel,
	Summary \| Full Text:PDF (2.4MB)

Capacity Expressions for Power-Controlled Multi-Class DS-CDMA Reverse Link with Antenna Diversity and Rake Combining Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/09/01 Vol. E85-B No. 9 pp. 1854-1859 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: DS-CDMA, transmit power control, antenna diversity, rake combining,
	Summary \| Full Text:PDF (288.4KB)

Pilot-Aided Adaptive Prediction Channel Estimation in a Frequency-Nonselective Fading Channel Shinsuke TAKAOKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/08/01 Vol. E85-B No. 8 pp. 1552-1560 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: fading channel, channel estimation, pilot symbol, adaptive prediction, normalized LMS,
	Summary \| Full Text:PDF (1.1MB)

Hybrid Data Transmission Technique for Multimedia Satellite Broadcasting Masatoshi HAMADA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/08/01 Vol. E85-B No. 8 pp. 1463-1468 Type of Manuscript: Special Section PAPER (Special Issue on Outstanding Papers from APCC 2001) Category: Keyword: satellite broadcasting, data transmission, multimedia communication,
	Summary \| Full Text:PDF (910KB)

Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications Kenichi HIGUCHI Yukiko HANADA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/07/01 Vol. E85-A No. 7 pp. 1511-1523 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: DS-CDMA, asynchronous cell site, cell search, code acquisition, scrambling code,
	Summary \| Full Text:PDF (2.6MB)

Experiments on Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link Atsushi HARADA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/07/01 Vol. E85-A No. 7 pp. 1612-1623 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: adaptive antenna array, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (2.8MB)

Joint Effect of Transmit Power Control and Antenna Diversity on Spectrum Efficiency of a Cellular System Fumiyuki ADACHI Akihito KATOH Deepshikha GARG
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/05/01 Vol. E85-B No. 5 pp. 919-928 Type of Manuscript: Special Section PAPER (Wireless Communications Issue) Category: Keyword: transmit power control, antenna diversity reception, cellular system, spectrum efficiency,
	Summary \| Full Text:PDF (551.4KB)

Reverse Link Bandwidth Efficiency of a Spectrally Overlapped CDMA System Duk Kyung KIM Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/04/01 Vol. E85-B No. 4 pp. 758-768 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: spectrally overlapped CDMA system, pulse shaping filter, fast power control, multiple cell, multipath fading,
	Summary \| Full Text:PDF (421.9KB)

Time- and Frequency-Domain Expressions for Rake Combiner Output SNR Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/01/01 Vol. E85-B No. 1 pp. 340-342 Type of Manuscript: LETTER Category: Wireless Communication Technology Keyword: spread spectrum, Rake combiner, multipath channel, mobile communication,
	Summary \| Full Text:PDF (211.8KB)

Experiments on Space Time Block Coding Transmit Diversity (STTD) in W-CDMA Forward Link Satoru FUKUMOTO Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/12/01 Vol. E84-A No. 12 pp. 3045-3057 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: mobile radio communication, W-CDMA, transmit diversity, fast transmit power control,
	Summary \| Full Text:PDF (2.4MB)

Experiments on Inter-Sector Diversity Using Maximal Ratio Combining in W-CDMA Reverse Link Akihito MORIMOTO Kenichi HIGUCHI Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/12/01 Vol. E84-A No. 12 pp. 3012-3025 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: W-CDMA, site diversity, transmit power control, Rake combining,
	Summary \| Full Text:PDF (2.4MB)

Performance Analysis of Closed-Loop Like Power Control for Packet Transmission over DS-CDMA in a Multipath Fading Environment Duk Kyung KIM Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/09/01 Vol. E84-B No. 9 pp. 2635-2643 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: packet transmission, closed-loop like power control, multipath fading,
	Summary \| Full Text:PDF (253.7KB)

Fast Two-Step Beam Tracking Algorithm of Coherent Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link Taisuke IHARA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/07/01 Vol. E84-B No. 7 pp. 1835-1848 Type of Manuscript: Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications) Category: Application to CDMA Keyword: DS-CDMA, adaptive antenna array, beam tracking, mobile radio communication,
	Summary \| Full Text:PDF (2.3MB)

Outer Loop Control of Fast Transmit Power Control Based on Intermediate Block Error Rate in Concatenated Channel Coding for DS-CDMA Mobile Radio Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/07/01 Vol. E84-A No. 7 pp. 1691-1701 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: mobile radio, W-CDMA, concatenated channel coding, transmit power control, outer loop control,
	Summary \| Full Text:PDF (2.1MB)

Combined Effect of Coherent Adaptive Antenna Array Diversity and SINR-Based Fast Transmit Power Control in W-CDMA Reverse Link Shinya TANAKA Atsushi HARADA Taisuke IHARA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 425-434 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: mobile communication, W-CDMA, adaptive antenna array, fast transmit power control,
	Summary \| Full Text:PDF (853.2KB)

Experiments on Inter-Cell Site Diversity Using Two-Step Selection Combining in W-CDMA Reverse Link Akihito MORIMOTO Kenichi HIGUCHI Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 435-445 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: DS-CDMA, site diversity, transmit power control, CRC, SIR,
	Summary \| Full Text:PDF (1.2MB)

Experimental Evaluation of Coherent Rake Combining for Broadband Single-Carrier DS-CDMA Wireless Communications Takehiro IKEDA Koichi OKAWA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 415-424 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: wireless communication, broadband DS-CDMA, Rake combining, transmit power control,
	Summary \| Full Text:PDF (866.3KB)

Performance of Coherent Multi-Carrier/DS-CDMA and MC-CDMA for Broadband Packet Wireless Access Sadayuki ABETA Hiroyuki ATARASHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 406-414 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: broadband packet wireless access, single-carrier/DS-CDMA, multi-carrier/DS-CDMA, multicarrier CDMA,
	Summary \| Full Text:PDF (1.1MB)

FOREWORD Susumu YOSHIDA Fumiyuki ADACHI Jun HORIKOSHI Masahiro UMEHIRA Shingo OHMORI Yasutaka OGAWA Takahiko OGINO Tadashi FUJINO Yukitsuna FURUYA Koichi HONMA Yasushi YAMAO Yoshihide YAMADA Fumio WATANABE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 355-358 Type of Manuscript: FOREWORD Category: Keyword:
	Summary \| Full Text:PDF (550.4KB)

Evaluation of Reverse-Link Capacity of a DS-CDMA System with Power Control and Diversity Reception Dugin LYU Hirohito SUDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/02/01 Vol. E84-B No. 2 pp. 238-244 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: power control, diversity reception, outage probability, link capacity, DS-CDMA cellular system,
	Summary \| Full Text:PDF (502.4KB)

Wireless Past and Future--Evolving Mobile Communications Systems-- Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/01/01 Vol. E84-A No. 1 pp. 55-60 Type of Manuscript: INVITED PAPER (Special Section on the 10th Anniversary of the IEICE Transactions of Fundamentals: "Last Decade and 21st Century") Category: Keyword: mobile communications systems, wireless techniques, multimedia communications, wireless Internet,
	Summary \| Full Text:PDF (490.8KB)

Experiments on Fast Cell Search Algorithm Using Scrambling Code Masking for Inter-Cell Asynchronous W-CDMA System Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/11/20 Vol. E83-A No. 11 pp. 2102-2109 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: cell search, inter-cell asynchronous system, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (1.1MB)

Experimental Evaluations on Array Antenna Configuration of Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link Taisuke IHARA Shinya TANAKA Atsushi HARADA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/11/20 Vol. E83-A No. 11 pp. 2120-2128 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: mobile radio communication, DS-CDMA, adaptive antenna array, interference suppressing,
	Summary \| Full Text:PDF (2MB)

Path Search Performance and Its Parameter Optimization of Pilot Symbol-Assisted Coherent Rake Receiver for W-CDMA Mobile Radio Satoru FUKUMOTO Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/11/20 Vol. E83-A No. 11 pp. 2110-2119 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: mobile radio communication, DS-CDMA, Rake receiver, path search,
	Summary \| Full Text:PDF (3MB)

Fast Cell Search Algorithm in Idle Mode for Inter-Cell Asynchronous W-CDMA Mobile Radio Yukiko HANADA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/08/20 Vol. E83-B No. 8 pp. 1610-1618 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: mobile radio, DS-CDMA, target cell search, inter-cell asynchronous system,
	Summary \| Full Text:PDF (1MB)

Experiments on 2-Mbps Data Transmission Applying Antenna Diversity Reception over 5-MHz W-CDMA Mobile Radio Link Koichi OKAWA Satoru FUKUMOTO Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/08/20 Vol. E83-B No. 8 pp. 1602-1609 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: mobile radio, W-CDMA, 2-Mbps data transmission, antenna diversity, TPC,
	Summary \| Full Text:PDF (1.5MB)

Capacity Estimation for Overlaid Multiband CDMA Systems with SIR-Based Power Control Duk Kyung KIM Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/07/20 Vol. E83-B No. 7 pp. 1454-1464 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: overlaid multiband CDMA systems, SIR-based power control, raised cosine filtered chip pulse,
	Summary \| Full Text:PDF (709.9KB)

Challenges of Wireless Communications--IMT-2000 and Beyond-- Fumiyuki ADACHI Nobuo NAKAJIMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/07/20 Vol. E83-A No. 7 pp. 1300-1307 Type of Manuscript: INVITED PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: wireless communications, mobile communications systems, IMT-2000, DS-CDMA,
	Summary \| Full Text:PDF (1.3MB)

Capacity Evaluation of a Forward Link DS-CDMA Cellular System with Fast TPC Based on SIR Dugin LYU Hirohito SUDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/01/20 Vol. E83-B No. 1 pp. 68-76 Type of Manuscript: PAPER Category: Mobile Communication Keyword: link capacity, DS-CDMA cellular system, fast TPC based on SIR, RAKE receiver, outage probability,
	Summary \| Full Text:PDF (904.8KB)

Effect of Fast Transmit Power Control on Forward Link Capacity of DS-CDMA Cellular Mobile Radio Fumio KIKUCHI Hirohito SUDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/01/20 Vol. E83-B No. 1 pp. 47-55 Type of Manuscript: PAPER Category: Mobile Communication Keyword: fast TPC, forward link capacity, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (1MB)

Effect of Spreading Bandwidth on DS-CDMA Reverse Link Capacity Hirohito SUDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/20 Vol. E82-B No. 12 pp. 2160-2163 Type of Manuscript: LETTER Category: Mobile Communication Keyword: DS/CDMA, mobile radio, capacity, spreading bandwidth, reverse link,
	Summary \| Full Text:PDF (217KB)

Adaptive Channel Estimation for Coherent DS-CDMA Mobile Radio Using Time-Multiplexed Pilot and Parallel Pilot Structures Sadayuki ABETA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/09/20 Vol. E82-B No. 9 pp. 1505-1513 Type of Manuscript: PAPER Category: Mobile Communication Keyword: adaptive channel estimation, DS/CDMA, pilot channel, coherent RAKE,
	Summary \| Full Text:PDF (572.2KB)

A Fast Transmit Power Control Based on Markov Transition for DS-CDMA Mobile Radio Hirohito SUDA Hiroyuki KAWAI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/08/20 Vol. E82-B No. 8 pp. 1353-1362 Type of Manuscript: PAPER Category: Mobile Communication Keyword: fast TPC, Markov transition, DS/CDMA, mobile radio,
	Summary \| Full Text:PDF (1.2MB)

Adaptive Reduced State-Transition Viterbi Differential Detection of M-Ary DPSK Signals Transmitted over Gaussian and Frequency Nonselective Rayleigh Faded Channels Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/01/20 Vol. E82-B No. 1 pp. 156-164 Type of Manuscript: PAPER Category: Mobile Communication Keyword: M-ary DPSK, differential detection, Viterbi algorithm, fading, adaptive channel estimation,
	Summary \| Full Text:PDF (822.9KB)

Turbo Codes Application to DS-CDMA Mobile Radio Atsushi FUJIWARA Hirohito SUDA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/11/20 Vol. E81-A No. 11 pp. 2269-2273 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: turbo codes, DS-CDMA, mobile radio, fading channel,
	Summary \| Full Text:PDF (516.6KB)

Promising Techniques to Enhance Radio Link Performance of Wideband Wireless Access Based on DS-CDMA Fumiyuki ADACHI Mamoru SAWAHASHI Hirohito SUDA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/11/20 Vol. E81-A No. 11 pp. 2242-2250 Type of Manuscript: INVITED PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: DS-CDMA, wireless access, mobile communications,
	Summary \| Full Text:PDF (834.3KB)

Fast Cell Search Algorithm in Inter-Cell Asynchronous DS-CDMA Mobile Radio Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1527-1534 Type of Manuscript: PAPER Category: Mobile Communication Keyword: cell search, inter-cell asynchronous system, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (724.1KB)

Channel Estimation Filter Using Time-Multiplexed Pilot Channel for Coherent RAKE Combining in DS-CDMA Mobile Radio Hidehiro ANDOH Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1517-1526 Type of Manuscript: PAPER Category: Mobile Communication Keyword: DS-CDMA, mobile radio, channel estimation, RAKE combining,
	Summary \| Full Text:PDF (814.8KB)

SIR-Based Transmit Power Control of Reverse Link for Coherent DS-CDMA Mobile Radio Shunsuke SEO Tomohiro DOHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1508-1516 Type of Manuscript: PAPER Category: Mobile Communication Keyword: transmit power control, reverse link, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (801.7KB)

Coherent Delay-Locked Code Tracking Loop Using Time-Multiplexed Pilot for DS-CDMA Mobile Radio Mamoru SAWAHASHI Fumiyuki ADACHI Heiichi YAMAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1426-1432 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: delay-locked loop, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (526.7KB)

Performance Comparison between Time-Multiplexed Pilot Channel and Parallel Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio Sadayuki ABETA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1417-1425 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: DS-CDMA, channel estimation, pilot channel, transmitter power control,
	Summary \| Full Text:PDF (703.6KB)

Matched Filter-Based RAKE Combiner for Wideband DS-CDMA Mobile Radio Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1384-1391 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: mobile radio communication, DS-CDMA, matched filter, RAKE combining,
	Summary \| Full Text:PDF (577.1KB)

Variable-Rate Data Transmission with Blind Rate Detection for Coherent DS-CDMA Mobile Radio Yukihiko OKUMURA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1365-1373 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: DS-CDMA, variable-rate transmission, blind rate detection,
	Summary \| Full Text:PDF (705KB)

1. 92 Mbps Data Transmission Experiments over a Coherent W-CDMA Radio Link Koichi OKAWA Yukihiko OKUMURA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1330-1336 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: wideband CDMA, mobile radio, orthogonal multicode transmission,
	Summary \| Full Text:PDF (650.1KB)

Wideband Wireless Access Based on DS-CDMA Fumiyuki ADACHI Mamoru SAWAHASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1305-1316 Type of Manuscript: INVITED PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: DS-CDMA, wideband wireless access, mobile communications,
	Summary \| Full Text:PDF (1MB)

Further Results on Field Experiments of Coherent Wideband DS-CDMA Mobile Radio Tomohiro DOHI Yukihiko OKUMURA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/06/20 Vol. E81-B No. 6 pp. 1239-1247 Type of Manuscript: PAPER Category: Mobile Communication Keyword: DS-CDMA, mobile radio, reverse link, transmit power control, antenna diversity, Rake combining,
	Summary \| Full Text:PDF (792.5KB)

Orthogonal Forward Link Using Orthogonal Multi-Spreading Factor Codes for Coherent DS-CDMA Mobile Radio Koichi OKAWA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/04/20 Vol. E81-B No. 4 pp. 777-784 Type of Manuscript: PAPER Category: Mobile Communication Keyword: DS-CDMA, forward link, orthogonal spreading codes, mobile radio,
	Summary \| Full Text:PDF (660.7KB)

Transmit Power Efficiency of Fast Transmit Power Controlled DS-CDMA Reverse Link Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/12/20 Vol. E80-A No. 12 pp. 2420-2428 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: reverse link, DS-CDMA, mobile radio, transmit power control, Rake combining,
	Summary \| Full Text:PDF (640.6KB)

Pilot Symbol-Assisted Decision-Directed Coherent Adaptive Array Diversity for DS-CDMA Mobile Radio Reverse Link Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/12/20 Vol. E80-A No. 12 pp. 2445-2454 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: adaptive antenna array, DS-CDMA, mobile radio,
	Summary \| Full Text:PDF (784.1KB)

Effects of Orthogonal Spreading and Rake Combining on DS-CDMA forward Link in Mobile Radio Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/11/20 Vol. E80-B No. 11 pp. 1703-1712 Type of Manuscript: PAPER Category: Radio Communication Keyword: mobile radio, DS CDMA, orthogonal spreading, Rake combining,
	Summary \| Full Text:PDF (729.7KB)

Rake Combining Effect on Link Capacity and Peak Transmit Power of Power-Controlled Reverse Link of DS-CDMA Cellular Mobile Radio Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/10/20 Vol. E80-B No. 10 pp. 1547-1555 Type of Manuscript: PAPER Category: Radio Communication Keyword: cellular mobile radio, DS-CDMA, reverse link, power control, Rake combining,
	Summary \| Full Text:PDF (671.2KB)

Adaptive Maximum Likelihood Detection of MPSK Signals in Frequency Nonselective Fast Rayleigh Fading Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/07/20 Vol. E80-B No. 7 pp. 1045-1054 Type of Manuscript: PAPER Category: Radio Communication Keyword: maximum likelihood detection, adaptive channel estimation, Rayleigh fading,
	Summary \| Full Text:PDF (737.6KB)

Performance Analysis of Approximate ML Detection of MPSK Signals Transmitted over AWGN Channels Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/05/20 Vol. E80-B No. 5 pp. 726-735 Type of Manuscript: PAPER Category: Communication Theory Keyword: maximum likelihood detection, M-ary Phase Shift Keying (MPSK), coherent detection, Viterbi algorithm,
	Summary \| Full Text:PDF (637.2KB)

Low-Power Consuming Analog-Type Matched Filter for DS-CDMA Mobile Radio Mamoru SAWAHASHI Fumiyuki ADACHI Guoliang SHOU Changming ZHOU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/12/20 Vol. E79-A No. 12 pp. 2071-2077 Type of Manuscript: Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications) Category: Keyword: DS-CDMA, matched filter, analog signal processing,
	Summary \| Full Text:PDF (618.3KB)

Theoretical Analysis of DS-CDMA Reverse Link Capacity with SIR-Based Transmit Power Control Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/12/20 Vol. E79-A No. 12 pp. 2028-2034 Type of Manuscript: Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications) Category: Keyword: DS-CDMA, transmit power control, link capacity, spectrum sharing,
	Summary \| Full Text:PDF (553.5KB)

Experiments on Coherent Multicode DS-CDMA Tomohiro DOHI Yukihiko OKUMURA Akihiro HIGASHI Koji OHNO Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/09/20 Vol. E79-B No. 9 pp. 1326-1332 Type of Manuscript: Special Section PAPER (Special Issue on Personal Communications) Category: CDMA and multiple access technologies Keyword: DS-CDMA, pilot symbol-aided coherent RAKE, interference power measurement based power control, orthogonal multicode transmission, test-bed, field test,
	Summary \| Full Text:PDF (616.2KB)

Effects of Non-matched Receiver Filters on π/4-DQPSK Bit Error Rate in Rayleigh Fading Chun Sum NG Tjeng Thiang TJHUNG Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/06/20 Vol. E77-B No. 6 pp. 800-807 Type of Manuscript: PAPER Category: Radio Communication Keyword: radio communication, cellular mobile radio, Rayleigh fading, bit error rate,
	Summary \| Full Text:PDF (519.7KB)

Combined Convolutional Coding/Diversity Reception for QDPSK Land Mobile Radio Tadashi MATSUMOTO Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1991/06/20 Vol. E74-B No. 6 pp. 1522-1530 Type of Manuscript: INVITED PAPER (Special Issue on Mobile Communications) Category: Keyword:
	Summary \| Full Text:PDF (644.4KB)

Scanning Diversity Effect on Channel Reuse in a Digital FM Cellular Land Mobile Radio Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1983/07/20 Vol. E66-E No. 7 pp. 453-454 Type of Manuscript: LETTER Category: Diversity Reception Keyword:
	Summary \| Full Text:PDF (128.9KB)

Advanced Scanning Diversity for a Digital FM Land Mobile Radio Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1983/05/20 Vol. E66-E No. 5 pp. 283-289 Type of Manuscript: PAPER Category: Diversity Reception Keyword:
	Summary \| Full Text:PDF (442.2KB)

Experimental Results of Dual Scanning Diversity System Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1983/02/20 Vol. E66-E No. 2 pp. 159-160 Type of Manuscript: LETTER Category: Mobile Radio Keyword:
	Summary \| Full Text:PDF (115.8KB)

Improvement Effect of Scanning Diversity Reception on Cochannel Interference Performance of a Digital FM Land Mobile Radio Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1982/07/20 Vol. E65-E No. 7 pp. 409-410 Type of Manuscript: LETTER Category: Miscellaneous Keyword:
	Summary \| Full Text:PDF (141.3KB)

Selection and Scanning Diversity Effects in a Digital FM Land Mobile Radio with Limiter Discriminator Detection Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1981/06/20 Vol. E64-E No. 6 pp. 398-405 Type of Manuscript: PAPER Category: Miscellaneous Keyword:
	Summary \| Full Text:PDF (503.1KB)

Error-Rate Performance of Digital FM with Discriminator-Detection in the Presence of Co-channel Interference under Fast Rayleigh Fading Environment Kenkichi HIRADE Mitsuru ISHIZUKA Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1978/09/20 Vol. E61-E No. 9 pp. 704-709 Type of Manuscript: PAPER Category: Transmission Systems Keyword:
	Summary \| Full Text:PDF (322.2KB)