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 (548KB)

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 (399.1KB)

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 (668.4KB)

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 (697.3KB)

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: 1999/12/20
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: 1998/06/20
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 (533.9KB)

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: 1998/04/20
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 (239.8KB)

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: 1996/12/20
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
  Summary |  Full Text:PDF (872.2KB)

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: 1983/09/20
Vol. E66-E  No. 9  pp. 559-560
Type of Manuscript: LETTER
Category: Transmission Systems
Keyword: 
  Summary |  Full Text:PDF (148.9KB)

Preferable Transmission Rate of MSK Land Mobile Radio with Differential Detection
Masaharu HATA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/08/20
Vol. E65-E  No. 8  pp. 451-456
Type of Manuscript: PAPER
Category: Transmission Systems
Keyword: 
  Summary |  Full Text:PDF (346.9KB)

Evaluation of Diversity Effects on Mobile Radio System Disign
Masaharu HATA  Kota KINOSHITA  Kenkichi HIRADE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/05/20
Vol. E64-E  No. 5  pp. 302-308
Type of Manuscript: PAPER
Category: Antenna and Propagation
Keyword: 
  Summary |  Full Text:PDF (447KB)