Daisei UCHIDA


A Burst Modulation/Demodulation Method for Narrowband Ubiquitous Communication Systems
Takafumi FUJITA Daisei UCHIDA Yosuke FUJINO Osamu KAGAMI Kazuji WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3416-3425
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies for Practical Ubiquitous and Sensor Networks)
Category: 
Keyword: 
burst modemubiquitoustransmission efficiencyburst synchronizationtestbed study
 Summary | Full Text:PDF

A Synchronization Scheme for Packet Mode MIMO-OFDM Signals in Wireless LAN
Takeshi ONIZAWA Takafumi FUJITA Yusuke ASAI Daisei UCHIDA Atsushi OHTA Satoru AIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/01/01
Vol. E90-B  No. 1  pp. 92-104
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wireless LANMIMOOFDMpacket modesynchronization
 Summary | Full Text:PDF

Implementation and Performance Evaluation of Simple SDM-COFDM Prototype Using Propagation Coefficient Matrix Tracking for Fast Fading MIMO Channels
Takatoshi SUGIYAMA Satoshi KUROSAKI Daisei UCHIDA Yusuke ASAI Masahiro UMEHIRA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 58-65
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Space Division Multiplexing
Keyword: 
SDMOFDMMIMOZFfrequency utilization efficiency
 Summary | Full Text:PDF