Tsuguhide AOKI

A Novel Low-Overhead Channel Sounding Protocol for Downlink Multi-User MIMO in IEEE 802.11ax WLAN
Toshihisa NABETANI Narendar MADHAVAN Hiroki MORI Tsuguhide AOKI 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3  pp. 924-932
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
channel sounding protocol, DL-MU-MIMO, IEEE 802.11ax, wireless LANs, 
 Summary | Full Text:PDF
Throughput Improvement Technique Using Adaptive Control of Perturbation Interval for Downlink Multi-User MIMO Based on Vector Perturbation
Hiroki MORI Yuji TOHZAKA Tsuguhide AOKI Yasuhiko TANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2861-2869
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
vector perturbation, multi-user MIMO, modulo operation, 
 Summary | Full Text:PDF
Combined Trellis Precoding and Error Correcting Codes in Multi-User MIMO-OFDM Systems
Tsuguhide AOKI Hideki OCHIAI Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12  pp. 2663-2671
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
nonlinear precoding, multi-user MIMO, trellis precoding, trellis shaping, OFDM, 
 Summary | Full Text:PDF
Preamble Structure for IEEE 802.11n Wireless LAN System
Tsuguhide AOKI Yoshimasa EGASHIRA Daisuke TAKEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3219-3227
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wireless LAN, MIMO-OFDM, AGC, tone-interleaving, cyclic delay diversity, 
 Summary | Full Text:PDF
Reduced Complexity Max-Log-MAP Sphere Decoder Using Group Detection in MIMO-OFDM Systems
Tsuguhide AOKI Yasuhiko TANABE Hidehiro MATSUOKA Hiroki SHOKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11  pp. 4220-4228
Type of Manuscript:  Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
MIMO, OFDM, ML, MMSE, sphere decoder, IEEE802.11a, IEEE802.11n, 
 Summary | Full Text:PDF
Transmitting Array Antenna Beamforming Based on Goal Programming for Forward Link of DS-CDMA System
Tsuguhide AOKI Norimichi HIRANO Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1861-1870
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMA, multiple access interference, array antenna, TPC, goal programming, 
 Summary | Full Text:PDF