Hiromitsu WAKANA

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: 
OFDMA, frequency selective fading channel, subband selection, average subband channel gain, subband handover, 
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Analysis of the Combined Effects of Nonlinear Distortion and Phase Noise on OFDM Systems
Le LIU Kiyoshi HAMAGUCHI Hiromitsu WAKANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 304-311
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDM, HPA, nonlinear distortion, phase noise, 
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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 loading, orthogonal frequency division multiplexing (OFDM), adaptive antenna array, 
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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 system, seamless communications, 
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Performance of Orthogonal Multi-Carrier FH-CDMA System in the Presence of Selective Fading and Nonlinear Amplification
Mitsugu OHKAWA Hiromitsu WAKANA Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2649-2659
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
frequency hopping, code division multiple access, orthogonal multi carrier, frequency selective fading, nonlinear amplification, 
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A Class of Block Coded Modulation Schemes for Satellite Communications
Huan-Bang LI Tetsushi IKEGAMI Hiromitsu WAKANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/01/25
Vol. E80-B  No. 1  pp. 49-58
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era)
Category: Modem and Coding
Keyword: 
satellite communication, block coded modulation (BCM), multiple block coded modulation (MBCM), bandwidth efficiency, power efficiency, 
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