Seigo NAKAO


Inter-Cell Interference Coordination Method Based on Coordinated Inter-Cell Interference Power Control in Uplink
Kenichi HIGUCHI Yoshiko SAITO Seigo NAKAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7  pp. 1357-1362
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cellular systemuplinkpower controlinter-cell interference coordinationfractional frequency reuse
 Summary | Full Text:PDF(1.6MB)

Resource Reduction Method for the LTE-Advanced Uplink ACK/NACK Signal and SR
Seigo NAKAO Kenji TAKAGI Masaru FUKUOKA Daichi IMAMURA Hidekazu MURATA Koji YAMAMOTO Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 364-367
Type of Manuscript:  LETTER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
LTE-Advancedspace orthogonal resource transmit diversityphase rotationACK/NACK signalscheduling request
 Summary | Full Text:PDF(280.4KB)

Effects of a Phase Rotation Scheme on the DTX Detection Performance for the E-UTRA Uplink ACK/NACK Signals
Seigo NAKAO Tomohumi TAKATA Daichi IMAMURA Katsuhiko HIRAMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 262-272
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cyclic shift sequenceCDMAinter-code interferencephase rotationHARQE-UTRADTX detectionuplink control channel
 Summary | Full Text:PDF(749.7KB)

A Novel Phase Rotation Scheme on the Constellations for the E-UTRA Uplink ACK/NACK Signals
Seigo NAKAO Tomohumi TAKATA Daichi IMAMURA Katsuhiko HIRAMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3459-3469
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
phase rotationCDMAinter-code interferenceCS sequencesE-UTRAuplink control channel
 Summary | Full Text:PDF(1.3MB)

A Novel Spreading Code Design for E-UTRA Uplink Control Channel and Its Performance
Seigo NAKAO Tomohumi TAKATA Masaru FUKUOKA Daichi IMAMURA Katsuhiko HIRAMATSU Kazuyuki MIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/07/01
Vol. E92-B  No. 7  pp. 2433-2441
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
E-UTRAuplink control channelCDMAcyclic shift sequencesinter-code interference
 Summary | Full Text:PDF(615.5KB)

Development and Evaluation of a Smart Antenna Test Bed for Wireless LAN
Yoshiharu DOI Seigo NAKAO Yasuhiro TANAKA Takeo OHGANE Yasutaka OGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9  pp. 1449-1454
Type of Manuscript:  Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Antennas and Propagation for Wireless Communications
Keyword: 
smart antennawireless LANsoftware defined radiofield test
 Summary | Full Text:PDF(778.1KB)

Development and Evaluation of the SDMA Test Bed for PHS in the Field
Yoshiharu DOI Jun KITAKADO Tadayoshi ITO Takeo MIYATA Seigo NAKAO Takeo OHGANE Yasutaka OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3433-3440
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
space division multiple accessadaptive array antennasoftware defined radio (SDR)field testPHS
 Summary | Full Text:PDF(789.9KB)