Masaharu HATA


An Iterative Peak Power Reduction Method with Adaptive Intermediary Over-Sampling for Wireless OFDMA Systems
Kazuhiko FUJIMOTO Shigeru TOMISATO Masaharu HATA Hiromasa FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2  pp. 576-579
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDM transmissionPAPROFDMAiterative processing
 Summary | Full Text:PDF(548.7KB)

Peak Reduction Improvement in Iterative Clipping and Filtering with a Graded Band-Limiting Filter for OFDM Transmission
Toshiyuki MATSUDA Shigeru TOMISATO Masaharu HATA Hiromasa FUJII Junichiro HAGIWARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7  pp. 1362-1365
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
OFDM transmissionPAPRiterative signal processing
 Summary | Full Text:PDF(398.6KB)

Transmission Performance Evaluation for Designing an OFDM Transmitter That Offers Iterative Peak Reduction
Akiko KUBO Shigeru TOMISATO Masaharu HATA Hitoshi YOSHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/07/01
Vol. E89-A  No. 7  pp. 1968-1971
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
OFDM transmissionPAPRiterative signal processing
 Summary | Full Text:PDF(667.8KB)

Peak Power Reduction Method Using Adaptive Peak Reduction Signal Level Control for OFDM Transmission Systems
Shigeru TOMISATO Masaharu HATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1897-1902
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Wireless Communication Technology
Keyword: 
mobile radio communicationsOFDM transmissionPAPRiterative signal processing
 Summary | Full Text:PDF(696KB)

DOA/TOA Measurement of 25 GHz Band for Urban Mobile Radio
Yoshihiko KUWAHARA Yoshimitsu IKI Kazuo NAGAO Shuichi OBAYASHI Keishi MURAKAMI Akio SATO Shoichiro KAWAMURA Masaharu HATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12  pp. 1974-1986
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
multipath propagationmobile communicationrelative powerdirection of arrivaltime of arrivalquasi millimeter wave
 Summary | Full Text:PDF(2.9MB)

Analysis of Electromagnetic Wave Scattering by a Conducting Thin Plate and Image Coefficient for Ray Tracing Method
Kazunori UCHIDA Hiroshi MAEDA Tetsuro IMAI Teruya FUJII Masaharu HATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/06/25
Vol. E81-C  No. 6  pp. 993-999
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
Wiener-Hopf techniquescatteringline sourceray tracing method
 Summary | Full Text:PDF(532.3KB)

Analysis of Plane Wave Scattering by a Conducting Thin Plate and a Criterion for Ray Tracing Method
Kazunori UCHIDA Tetsuro IMAI Teruya FUJII Masaharu HATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/04/25
Vol. E81-C  No. 4  pp. 618-621
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
Wiener-Hopf techniquenear and far fieldsray tracing method
 Summary | Full Text:PDF(238.6KB)

Standardization Activities on FPLMTS Radio Transmission Technology in Japan
Akio SASAKI Mitsuhiko MIZUNO Seiichi SAMPEI Fumio WATANABE Hideichi SASAOKA Masaharu HATA Kouichi HONMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1938-1947
Type of Manuscript:  INVITED PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
FPLMTSradio transmission technologyTDMACDMA-FDDCDMA-TDD
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Field Experiments on 128 kbit/s Digital Signal Transmission with Post-Detection Selection Diversity in Land Mobile Radio Channels
Toshio MIKI Masaharu HATA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/09/25
Vol. E66-E  No. 9  pp. 559-560
Type of Manuscript:  LETTER
Category: Transmission Systems
Keyword: 
 Summary | Full Text:PDF(148.6KB)

Preferable Transmission Rate of MSK Land Mobile Radio with Differential Detection
Masaharu HATA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/08/25
Vol. E65-E  No. 8  pp. 451-456
Type of Manuscript:  PAPER
Category: Transmission Systems
Keyword: 
 Summary | Full Text:PDF(346.7KB)

Evaluation of Diversity Effects on Mobile Radio System Disign
Masaharu HATA Kota KINOSHITA Kenkichi HIRADE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/05/25
Vol. E64-E  No. 5  pp. 302-308
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(446.9KB)