Hiroshi HARADA


Proposal and Hardware Performance of an Enhanced Feature Detection Method for OFDM Signals of Digital TV Standards
Chunyi SONG  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/03/01
Vol. E96-B  No. 3  pp. 859-868
Type of Manuscript: PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
DTV sensingpilotslow SNRhardware implementation
  Summary |  Full Text:PDF

Design of the Start-Frame-Delimiter Pair for 802.15 Smart Utility Network System
Liru LU  Hiroshi HARADA  Ryuhei FUNADA  Chin-Sean SUM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/03/01
Vol. E96-B  No. 3  pp. 730-736
Type of Manuscript: PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
synchronizationstart-frame-delimitercorrelatorsmart utility networks
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The Impact of Sub-Band Spreading Bandwidth on DS-MB-UWB System over Multipath and Narrowband Interference
Chin-Sean SUM  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/03/01
Vol. E96-A  No. 3  pp. 740-744
Type of Manuscript: LETTER
Category: Spread Spectrum Technologies and Applications
Keyword: 
sub-band spreading bandwidthDS-MB-UWBmultipath interferencenarrowband interference
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Hidden Node due to Multiple Transmission Power Level for White Space Radio Operating in the TV Bands
Chin-Sean SUM  Gabriel Porto VILLARDI  Mohammad Azizur RAHMAN  Junyi WANG  Zhou LAN  Chunyi SONG  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/10/01
Vol. E95-A  No. 10  pp. 1749-1758
Type of Manuscript: PAPER
Category: Communication Theory and Signals
Keyword: 
hidden nodeTV white spacemultiple transmit powerFCC
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Autonomous Throughput Improvement Scheme Using Machine Learning Algorithms for Heterogeneous Wireless Networks Aggregation
Yohsuke KON  Kazuki HASHIGUCHI  Masato ITO  Mikio HASEGAWA  Kentaro ISHIZU  Homare MURAKAMI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1143-1151
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
heterogeneous wireless networkslink aggregationmachine learning algorithm support vector machinescognitive radio
  Summary |  Full Text:PDF

Sensing Methods for Detecting Analog Television Signals
Mohammad Azizur RAHMAN  Chunyi SONG  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1066-1075
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
white spacespectrum sensinganalog televisioncognitive radio
  Summary |  Full Text:PDF

Proposal and Implementation of a Robust Sensing Method for DVB-T Signal
Chunyi SONG  Mohammad Azizur RAHMAN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1276-1285
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
spectrum sensingDVB-Tthreshold settinghardware implementation
  Summary |  Full Text:PDF

Design and Implementation of IEEE 1900.4 Architecture Using IMS Functionality
Homare MURAKAMI  Kentaro ISHIZU  Stanislav FILIN  Hiroshi HARADA  Mikio HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1266-1275
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
cognitive radioIEEE 1900.4IMSsignalingradio resource management
  Summary |  Full Text:PDF

A Complete Design of Coexistence Information Service for Autonomous Decision-Making Systems in TV White Space
Junyi WANG  Stanislav FILIN  Tuncer BAYKAS  Mohammad Azizur RAHMAN  Chunyi SONG  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1230-1240
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
coexistenceinformation serviceprotocolTVWSautonomous decision-makingdissimilar networks
  Summary |  Full Text:PDF

A Distributed Sensing and Caching Database for Cognitive Radio Systems
Ha-Nguyen TRAN  Chen SUN  Yohannes D. ALEMSEGED  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 217-225
Type of Manuscript: PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
regulatory databasesensing databasedistributed sensingcognitive radio
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Interference Mitigation Capability of a Low Duty DS-Multiband-UWB System in Realistic Environment
Chin-Sean SUM  Shigenobu SASAKI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2762-2772
Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
interference mitigationDS-MB-UWBsub-band power suppressionlow duty factornarrowband interferencemultipathmulti-user
  Summary |  Full Text:PDF

MAC Development and Enhancement of IEEE 802.15.3c WPAN Realizing Gbps Throughput
Chang-Woo PYO  Zhou LAN  Fumihide KOJIMA  Ryuhei FUNADA  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/11/01
Vol. E94-B  No. 11  pp. 3065-3076
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
GbpsIEEE 802.15.3cMAC throughputWPAN
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On Communication and Interference Range of Multi-Gbps Millimeter-Wave WPAN System
Chin-Sean SUM  Zhou LAN  Junyi WANG  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12  pp. 2700-2703
Type of Manuscript: Special Section LETTER (Special Section on Wideband Systems)
Category: 
Keyword: 
interference rangecommunication rangemillimeter-wavemulti-gigabitWPAN
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Prioritized Aggregation for Compressed Video Streaming on mmWave WPAN Systems
Zhou LAN  Chin Sean SUM  Junyi WANG  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12  pp. 2704-2707
Type of Manuscript: Special Section LETTER (Special Section on Wideband Systems)
Category: 
Keyword: 
frame aggregationcompressed video transmissionmmWave WPAN
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Enhanced Media Access Scheme for Distributed Spectrum Sensing
Yohannes D. ALEMSEGED  Chen SUN  Ha NGUYEN TRAN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3266-3273
Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
distributed spectrum sensingspectrum sensingenergy detectionmedia access control scheme
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Coexistence of Dynamic Spectrum Access Based Heterogeneous Networks
Chen SUN  Yohannes D. ALEMSEGED  HaNguyen TRAN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3293-3301
Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
heterogeneous networkscognitive radio system (CRS)dynamic spectrum access (DSA)coexistencearchitecturehidden nodequality of coexistence (QoC)
  Summary |  Full Text:PDF

Cognitive Wireless Router System by Distributed Management of Heterogeneous Wireless Networks
Kentaro ISHIZU  Homare MURAKAMI  Stanislav FILIN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3311-3322
Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
cognitive radio networkheterogeneous wireless networkdistributed managementcognitive wireless router
  Summary |  Full Text:PDF

A Channel-Hopping MAC Protocol for Cognitive IEEE 802.16d Mesh Networks
Ming-Tuo ZHOU  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3417-3428
Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
cognitive radiomesh networkIEEE 802.16cognitive mesh networkchannel-hopping MAC protocol
  Summary |  Full Text:PDF

Analysis of Primary Signal Detection Period in Cognitive Wireless Communications
Chang-Woo PYO  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3501-3504
Type of Manuscript: Special Section LETTER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
cognitive wireless communicationsprimary signal detectionquiet period
  Summary |  Full Text:PDF

Impact of Chip Duty Factor on DS, TH and DS-TH UWB Systems in Realistic Environment
Chin-Sean SUM  Shigenobu SASAKI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/10/01
Vol. E93-A  No. 10  pp. 1716-1723
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: UWB System
Keyword: 
UWBchip duty factorDSTHDS-THenergy capture
  Summary |  Full Text:PDF

Throughput Comparison of Hybrid Slotted CSMA/CA-TDMA and Slotted CSMA/CA in IEEE 802.15.3c WPAN
Chang-Woo PYO  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/08/01
Vol. E93-A  No. 8  pp. 1531-1543
Type of Manuscript: PAPER
Category: Mobile Information Network and Personal Communications
Keyword: 
IEEE 802.15.3c WPANmultiple accesshybrid slotted CSMA/CA and TDMAslotted CSMA/CA
  Summary |  Full Text:PDF

Numerical Throughput Analysis on Channel Interference in IEEE 802.15.3c WPAN Based on Hybrid Multiple Access of CSMA/CA-TDMA
Chang-Woo PYO  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6  pp. 1502-1514
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
IEEE 802.15.3cWPANchannel interferencehidden networkshybrid CSMA/CA-TDMA
  Summary |  Full Text:PDF

0.4-5.8 GHz SiGe-MMIC Quadrature Modulator Employing Self Current Controlled Mixer for Cognitive Radio
Shintaro SHINJO  Fumiki ONOMA  Koji TSUTSUMI  Noriharu SUEMATSU  Mitsuhiro SHIMOZAWA  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3701-3710
Type of Manuscript: Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Wideband RF Systems
Keyword: 
microwaveMMIC transmittersMMIC mixersmobile communicationmodulationwireless LAN
  Summary |  Full Text:PDF

Spectrum Sensing Architecture and Use Case Study: Distributed Sensing over Rayleigh Fading Channels
Chen SUN  Yohannes D. ALEMSEGED  Ha Nguyen TRAN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3606-3615
Type of Manuscript: Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Spectrum Sensing
Keyword: 
spectrum sensingcognitive radiocooperative sensingcollaborative sensingselective sensingenergy detectionRayleigh fadingdiversity
  Summary |  Full Text:PDF

Robust Spectrum Sensing Algorithms for Cognitive Radio Application by Using Distributed Sensors
Yohannes D. ALEMSEGED  Chen SUN  Ha Nguyen TRAN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3616-3624
Type of Manuscript: Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Spectrum Sensing
Keyword: 
cognitive radiospectrum sensordistributed sensingparallel sensingcooperative sensinggateway assisted sensingtwo-stage detectionhard information combining (HC)soft information combining (SC)
  Summary |  Full Text:PDF

Error Probability of MRC in Frequency Selective Nakagami Fading in the Presence of CCI and ACI
Mohammad Azizur RAHMAN  Chin-Sean SUM  Ryuhei FUNADA  Shigenobu SASAKI  Tuncer BAYKAS  Junyi WANG  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2679-2687
Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
maximal ratio combining (MRC)frequency selective Nakagami fadinginter-symbol interference (ISI)co-channel interference (CCI)adjacent channel interference (ACI)
  Summary |  Full Text:PDF

Throughput and Error Analysis of a Space-Time Resource Management Scheme for Multi-Gbps Millimeter-Wave WPAN System
Chin-Sean SUM  Mohammad Azizur RAHMAN  Zhou LAN  Ryuhei FUNADA  Junyi WANG  Tuncer BAYKAS  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2659-2668
Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
space-timeresource managementmillimeter-wavemulti-GbpsWPANcross layer
  Summary |  Full Text:PDF

Error Analysis of Hybrid DS-Multiband-UWB Multiple Access System in the Presence of Narrowband Interference
Chin-Sean SUM  Mohammad Azizur RAHMAN  Shigenobu SASAKI  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2167-2176
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Ultra Wideband System
Keyword: 
error analysisDS-Multiband-UWBmultiple access interferencemultipath interferencenarrowband interferencerake receiver
  Summary |  Full Text:PDF

FOREWORD
Hiroshi HARADA  Panagiotis DEMESTICHAS 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2157-2158
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF

A Simple Exact Error Rate Analysis for DS-CDMA with Arbitrary Pulse Shape in Flat Nakagami Fading
Mohammad Azizur RAHMAN  Shigenobu SASAKI  Hisakazu KIKUCHI  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1808-1812
Type of Manuscript: Special Section LETTER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAmulti-access communicationerror rate analysisNakagami fading
  Summary |  Full Text:PDF

Exact Error Rate Analysis for Pulsed DS- and Hybrid DS/TH-CDMA in Nakagami Fading
Mohammad Azizur RAHMAN  Shigenobu SASAKI  Hisakazu KIKUCHI  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3150-3162
Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
ultra-widebandcode division multiple accesserror rate analysisNakagami fading
  Summary |  Full Text:PDF

Introduction to IEEE P1900.4 Activities
Soodesh BULJORE  Markus MUCK  Patricia MARTIGNE  Paul HOUZE  Hiroshi HARADA  Kentaro ISHIZU  Oliver HOLLAND  Andrej MIHAILOVIC  Kostas A. TSAGKARIS  Oriol SALLENT  Gary CLEMO  Mahesh SOORIYABANDARA  Vladimir IVANOV  Klaus NOLTE  Makis STAMETALOS 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 2-9
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: INVITED
Keyword: 
IEEE standardizationcognitive radionetwork architecturereconfigurationheterogeneous radio access networksdistributed radio resource management
  Summary |  Full Text:PDF

FOREWORD
Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 1-1
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF

Autonomous and Decentralized Optimization of Large-Scale Heterogeneous Wireless Networks by Neural Network Dynamics
Mikio HASEGAWA  Ha Nguyen TRAN  Goh MIYAMOTO  Yoshitoshi MURATA  Hiroshi HARADA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 110-118
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Distributed Optimization
Keyword: 
cognitive radioheterogeneous wireless networksneural networksradio resource managementradio access technology selection
  Summary |  Full Text:PDF

A Novel Method of Estimating the Signal-to-Interference Ratio for One-Cell-Frequency-Reuse OF/TDMA Systems
Masafumi MORIYAMA  Hiroshi HARADA  Seiichi SAMPEI  Ryuhei FUNADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 247-257
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
OF/TDMAone-cell-frequency-reuseSIRAMCMIMOcarrier interferometry
  Summary |  Full Text:PDF

Low-Loading-Delay Parallel Adaptive Loading for Reducing Transmit Power of OFDM System
Ming LEI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7  pp. 1300-1311
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
orthogonal frequency division multiplexing (OFDM)adaptive loading
  Summary |  Full Text:PDF

A Carrier Interferometry Based Channel Estimation Technique for MIMO-OFDM/TDMA Systems
Kazunari YOKOMAKURA  Seiichi SAMPEI  Hiroshi HARADA  Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5  pp. 1181-1192
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
DPC-OF/TDMA systemsMIMO-OFDM/TDMA systemschannel estimationcarrier interferometrytime window
  Summary |  Full Text:PDF

Reduced-Complexity Detection for DPC-OF/TDMA System Enhanced by Multi-Layer MIMO-OFDM in Wireless Multimedia Communications
Ming LEI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 571-580
Type of Manuscript: Special Section PAPER (Special Section on Multimedia and Mobile Signal Processing)
Category: Communications
Keyword: 
MIMOOFDMMulti-Layer MIMO-OFDMReduced-Complexity DetectionDPC-OF/TDMA
  Summary |  Full Text:PDF

MIMO-OFDM Based Evolution Schemes for DPC-OF/TDMA
Ming LEI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 239-250
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
DPC-OF/TDMAMIMOOFDMV-BLASTSTBC
  Summary |  Full Text:PDF

Reducing Detection Complexity of MIMO-OFDM by Using New Nulling Vectors
Ming LEI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 392-396
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
MIMOOFDMV-BLASTnulling vector
  Summary |  Full Text:PDF

FOREWORD
Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3167-3167
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF

Implementation of Multi-Channel Modem for DSRC System on Signal Processing Platform for Software Defined Radio
Akihisa YOKOYAMA  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3225-3232
Type of Manuscript: Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radiosignal processingFPGAITSDSRC
  Summary |  Full Text:PDF

Cyclic Shifted-and-Extended Codes Based on a Quasi-Orthogonal Sequence for a CDM Transmission Scheme
Kazuyuki SHIMEZAWA  Hiroshi HARADA  Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/11/01
Vol. E89-B  No. 11  pp. 2998-3007
Type of Manuscript: PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
zero cross-correlationQuasi-Orthogonal sequenceRake combiningcyclic shifted-and-extended codescode division multiplexing
  Summary |  Full Text:PDF

A Complexity-Reduced Time Alignment Control in Uplink Dynamic Parameter Controlled OF/TDMA
Ryota KIMURA  Ryuhei FUNADA  Hiroshi HARADA  Shigeru SHIMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8  pp. 2196-2207
Type of Manuscript: PAPER
Category: Terrestrial Radio Communications
Keyword: 
orthogonal frequency division multiple access (OFDMA)dynamic parameter controlled orthogonal frequency and time division multiple access (DPC-OF/TDMA)propagation delaytime alignment controltiming synchronizationcomplexity reduction
  Summary |  Full Text:PDF

SMI Adaptive Beamforming Based on Frequency-to-Time Pilot Transform for OFDM System
Ming LEI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8  pp. 2261-2265
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDMadaptive antenna arraysample matrix inverse (SMI)adaptive beamforming
  Summary |  Full Text:PDF

Superimposed Frequency Symbol Based Adaptive Downlink OFDM with Frequency Spreading and Equalization
Chang-Jun AHN  Hiroshi HARADA  Yukiyoshi KAMIO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 500-508
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
AMS/OFDMfrequency symbol spreadingfrequency equalizationMMSECORC
  Summary |  Full Text:PDF

Stochastic Method of Determining Substream Modulation Levels for MIMO Eigenbeam Space Division Multiplexing
Satoshi TAKAHASHI  Chang-Jun AHN  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 142-149
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile radio propagationadaptive modulationmultipath environmentsray tracingMIMOE-SDM
  Summary |  Full Text:PDF

A Reconfigurable Packet Routing-Oriented Signal Processing Platform
Akihisa YOKOYAMA  Hitoshi INOUE  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11  pp. 4194-4203
Type of Manuscript: Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radiosignal processingFPGADSRC
  Summary |  Full Text:PDF

A Timing Synchronization Method with Low-Volume DSP for OFDM Packet Transmission Systems
Ryota KIMURA  Ryuhei FUNADA  Hiroshi HARADA  Manabu SAWADA  Shoji SHINODA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1912-1920
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Wireless Communication Technology
Keyword: 
OFDMtiming synchronizationpacket transmission systemDSP
  Summary |  Full Text:PDF

Adaptive Subcarrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Downlink OFDM Using Uplink Delay Spread
Chang-Jun AHN  Satoshi TAKAHASHI  Hiroshi HARADA  Yukiyoshi KAMIO  Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1889-1896
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Wireless Communication Technology
Keyword: 
DMPSA-ASMS/OFDMMLIcoherence bandwidthRMS delay spread
  Summary |  Full Text:PDF

FOREWORD
Hiroshi HARADA  Alistair MUNRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1771-1771
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF

Effect of Delay Spread Enhancement in MIMO Eigenbeam Space Division Multiplexing Transmission
Satoshi TAKAHASHI  Chang-Jun AHN  Hiroshi HARADA  Yukiyoshi KAMIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1931-1935
Type of Manuscript: Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
radio propagationdelay spreadMIMOE-SDM
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Subband Selection and Handover of OFDMA System over Frequency Selective Channel
Jianfeng QIANG  Hiroshi HARADA  Hiromitsu WAKANA  Ping ZHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/04/01
Vol. E88-B  No. 4  pp. 1718-1724
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDMAfrequency selective fading channelsubband selectionaverage subband channel gainsubband handover
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Differential Modulated Pilot Symbol Assisted Adaptive OFDM for Reducing the MLI with Predicted FBI
Chang-Jun AHN  Satoshi TAKAHASHI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 436-442
Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
AMS/OFDMMLIFBI
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An OFDM Based Adaptive Modulation Scheme Employing Variable Coding Rate
Toshiyuki NAKANISHI  Seiichi SAMPEI  Hiroshi HARADA  Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 526-534
Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
DPC-OF/TDMAadaptive modulation schemevariable coding ratebit loadinginter-cell interference
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Performance Evaluation of Time Alignment Control under High-Mobility Environment for Dynamic Parameter Controlled OF/TDMA
Ryota KIMURA  Ryuhei FUNADA  Hiroshi HARADA  Shoji SHINODA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 541-551
Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
OFDMAdynamic parameter controlled OF/TDMAtime alignment controltiming synchronizationmultiple access interferenceinitial registration
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A Channel Estimation Method for a Highly Mobile OFDM Wireless Access System
Ryuhei FUNADA  Hiroshi HARADA  Yukiyoshi KAMIO  Shoji SHINODA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 282-291
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMchannel estimationtime-varying fadingIEEE 802.11a
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Reverse Link Performance Improvement for Wideband OFDM Using Alamouti Coded Heterogeneous Polarization Antennas
Chang-Jun AHN  Yukiyoshi KAMIO  Satoshi TAKAHASHI  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/11/01
Vol. E87-B  No. 11  pp. 3281-3288
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMSTBCpolarizationXPD
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Subband Adaptive Loading for Combination of OFDM and Adaptive Antenna Array
Ming LEI  Hiroshi HARADA  Hiromitsu WAKANA  Ping ZHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2798-2802
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
adaptive loadingorthogonal frequency division multiplexing (OFDM)adaptive antenna array
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A New CDM Transmission Scheme with Cyclic Shifted-and- Extended Codes and a Cancellation Technique for Accumulated Cross-Correlation Values
Kazuyuki SHIMEZAWA  Hiroshi HARADA  Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2212-2221
Type of Manuscript: PAPER
Category: Wireless Communication Technology
Keyword: 
cross-correlation cancellationcyclic shifted-and-extended codescode division multiplexingmobile radio communication
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Performance Improvement of Decision-Directed OFDM Channel Estimation in a Fast Fading Environment
Ryuhei FUNADA  Hiroshi HARADA  Shoji SHINODA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 1994-2001
Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing)
Category: Signal Processing for Communications
Keyword: 
COFDMdecision-directed channel estimationfast fadingIEEE 802.11a
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Adaptability Check during Software Installation in Software Defined Radio
Yasuo SUZUKI  Hiroshi HARADA  Kazuhiro UEHARA  Teruya FUJII  Yukio YOKOYAMA  Koji ODA  Ryoichi HIDAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3401-3407
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radio (SDR)tallytechnical regulation conformity certification testtamperingimpersonationelectronic signature
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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 systemseamless communications
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Technical Regulation Conformity Evaluation System for Software Defined Radio
Yasuo SUZUKI  Koji ODA  Ryoichi HIDAKA  Hiroshi HARADA  Tatsuaki HAMAI  Tokihiko YOKOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3392-3400
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
regulationradio lawsecurity systemsoftware defined radio (SDR)technical regulation conformity evaluation systemsecurity architecture
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A New Flexible Symbol-Timing Synchronization Method for Multi-Mode Software Radio Technology
Hiroshi HARADA  Hiroki NAKAMURA  Tetsushi IKEGAMI  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3521-3529
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software radioflexible signal processingsamplingstate patternsymbol timing
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Feasibility Study on Over-the-Air Software Download for Software-Radio-Based Intelligent Transport Systems
Hiroshi HARADA  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3425-3432
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software radioITSover-the-air downloadFPGAmultimode terminal
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An Empirical Study of a Coplanar Bandpass Filter with Attenuation Poles Using Short-Ended Half-Wavelength Resonators
Kouji WADA  Yoshiyuki AIHARA  Osamu HASHIMOTO  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 273-279
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
short-ended half-wavelength resonatortap-couplingattenuation polebandpass filtercoplanar waveguide (CPW)
  Summary |  Full Text:PDF

A Proposal of Overfill CDM Transmission Scheme for Future Road-Vehicle Communication Systems
Kazuyuki SHIMEZAWA  Hiroshi HARADA  Hiroshi SHIRAI  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 68-78
Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
code division multiplexingDSRC systemITSoverfill CDM transmission scheme
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A New Small-Size Multi-Mode and Multi-Task Software Radio Prototype for Future Intelligent Transport Systems
Hiroshi HARADA  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2703-2715
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software radioDSPmultimode terminalITS
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Adaptive Modulated OFDM Radio Transmission Scheme Using a New Channel Estimation Method for Future Broadband Mobile Communication Systems
Hiroshi HARADA  Takako YAMAMURA  Yukiyoshi KAMIO  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2785-2796
Type of Manuscript: PAPER
Category: Wireless Communication Technology
Keyword: 
OFDMadaptive modulationC/N0FECdelay spread
  Summary |  Full Text:PDF

A New Estimation Method of Propagation Characteristics Using Pilot-Data-Inserted OFDM Signals for High-Mobility OFDM Transmission Scheme
Hiroshi HARADA  Takako YAMAMURA  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/05/01
Vol. E85-B  No. 5  pp. 882-894
Type of Manuscript: Special Section PAPER (Wireless Communications Issue)
Category: 
Keyword: 
OFDMpilot signalchannel estimationISI cancellation
  Summary |  Full Text:PDF

Technique for Improving Out-of-Band Characteristics of Planar Microwave Filters Using Tapped Resonators
Kouji WADA  Kouichi NAKAGAWA  Osamu HASHIMOTO  Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/02/01
Vol. E85-C  No. 2  pp. 391-399
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
tapped resonatorattenuation polespurious responsesplanar microwave filter
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A Feasibility Study of the 16QAM-OFDM Transmission Scheme for Multimedia Mobile Access Communication Systems
Hiroshi HARADA  Yukiyoshi KAMIO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8  pp. 2207-2218
Type of Manuscript: PAPER
Category: Terrestrial Radio Communications
Keyword: 
OFDM16QAMMMACpunctured codeturbo code
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An Adaptive Symbol Timing Synchronization Method for Multi-Mode & Multi-Service Software Radio Communications System
Ryo SAWAI  Hiroshi HARADA  Hiroshi SHIRAI  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1885-1896
Type of Manuscript: PAPER
Category: Wireless Communication Technology
Keyword: 
software radiosymbol timingsynchronizationITS
  Summary |  Full Text:PDF

Inter-Vehicle Communication Network with an Autonomous Relay Access Scheme
Fumihide KOJIMA  Hiroshi HARADA  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 566-575
Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
ITSinter-vehicle communicationmobile networkrelay access
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Performance Analysis of a New Multi-Code High-Speed Mobile Radio Transmission Scheme Using Cyclic Modified M-Sequence
Hiroshi HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/20
Vol. E83-B  No. 9  pp. 2056-2067
Type of Manuscript: PAPER
Category: Wireless Communication Technology
Keyword: 
multicodeCDMAsynchronizationRake receivermultimedia wireless broadband communication
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Multimode Software Radio System by Parameter Controlled and Telecommunication Component Block Embedded Digital Signal Processing Hardware
Hiroshi HARADA  Yukiyoshi KAMIO  Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/20
Vol. E83-B  No. 6  pp. 1217-1228
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software radioDSPmultimode terminalITS
  Summary |  Full Text:PDF

Software Receiver Technology and Its Applications
Tokihiko YOKOI  Yoshimitsu IKI  Jun HORIKOSHI  Katsuji MIWA  Yoshio KARASAWA  Akira FUKUDA  Jun-ichi TAKADA  Yuichi KURODA  Takayasu SHIOKAWA  Yukitsuna FURUYA  Shigenari SUZUKI  Yasuhiro SENBA  Yoshihide YAMADA  Hiroshi HARADA  Yasuo SUZUKI  Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/20
Vol. E83-B  No. 6  pp. 1200-1209
Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software receiversoftware radio
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The Feasibility Study of the Dynamic Zone Configuration Technique with a Developed Circular Array Antenna
Ami KANAZAWA  Hiroshi HARADA  Tsukasa IWAMA  Yoshihiro HASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/07/20
Vol. E82-A  No. 7  pp. 1210-1222
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
dynamic zone configurationdynamic channel assignmentarray antennaeffective utilization of the radio spectrum
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TDM Intercell Connection Fiber-Optic Bus Link for Personal Radio Communication Systems
Hiroshi HARADA  Satoshi KAJIYA  Katsutoshi TSUKAMOTO  Shozo KOMAKI  Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/09/20
Vol. E78-B  No. 9  pp. 1287-1294
Type of Manuscript: PAPER
Category: Optical Communication
Keyword: 
TDMfiber-opticbus linkbandpass samplingoptical beat interference
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A Study on Power Assignment of Hierarchical Modulation Schemes for Digital Broadcasting
Masakazu MORIMOTO  Hiroshi HARADA  Minoru OKADA  Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/12/20
Vol. E77-B  No. 12  pp. 1495-1500
Type of Manuscript: Special Section PAPER (Special Issue on Digital Broadcasting Technology)
Category: 
Keyword: 
digital broadcastingHDTVhierarchical modulationgraceful degradation
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Performance Analysis of Fiber-Optic Millimeter-Wave Band Radio Subscriber Loop
Hiroshi HARADA  Hee-Jin LEE  Shozo KOMAKI  Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/09/20
Vol. E76-B  No. 9  pp. 1128-1135
Type of Manuscript: Special Section PAPER (Special Issue on Fiber-optic Microcelluler Radio Communication System and Their Technologies)
Category: System and Network Matters
Keyword: 
optimum modulationavailable capacityrainfall attenuationAGCmillimeter-wave band radio subscriber loop
  Summary |  Full Text:PDF