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IEICE Trans

Shigeru UCHIDA

Novel Calibration Techniques Using Ground Calibration Sources for a Satellite Receiving DBF Antenna
Narihiro NAKAMOTO Tai TANAKA Makoto MATSUKI Masaaki KUSANO Shigeru UCHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4  pp. 648-658
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antenna, calibration, digital beamforming, direction-of-arrival (DOA) estimation, 
 Summary | Full Text:PDF
Novel Calibration Techniques Using Ground Calibration Sources for a Satellite Receiving DBF Antenna
Narihiro NAKAMOTO Tai TANAKA Makoto MATSUKI Masaaki KUSANO Shigeru UCHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4  pp. 648-658
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antenna, calibration, digital beamforming, direction-of-arrival (DOA) estimation, 
 Summary | Full Text:PDF
NL-BMD: Nonlinear Block Multi-Diagonalization Precoding for High SHF Wide-Band Massive MIMO in 5G
Hiroshi NISHIMOTO Akinori TAIRA Hiroki IURA Shigeru UCHIDA Akihiro OKAZAKI Atsushi OKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1215-1227
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
5G, massive MIMO, MU-MIMO, inter-user interference, precoding, nonlinear block multi-diagonalization, 
 Summary | Full Text:PDF