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Paper Abstract and Keywords
Presentation 2013-06-20 17:30
[Invited Talk] Development of Radio Communication Systems with Space-Domain Signal Processing -- The Unappreciated Technology is now ... --
Yasutaka Ogawa (Hokkaido Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Space-domain signal processing with MIMO systems has been extensively studied and commercially used for various wireless communication systems. However, adaptive antennas that are considered predecessors of MIMO systems had been studied for military use, but they had not been recognized as effective for commercial wireless systems for a long time. In this talk, the speaker will introduce studies on space-domain signal processing from adaptive antennas in the 1980s to current MIMO systems, and will present how it has contributed to the development of wireless communications. Especially, he will present in detail the space division multiple access (SDMA) in the PHS, which, to the best of his knowledge, was the first commercial use of spatial multiplexing in the world. SDMA is the technique that accommodates multiple users with a multi-beam adaptive antenna at a basestation. This technique has been currently extended to a multi-user MIMO system.
Keyword (in Japanese) (See Japanese page) 
(in English) Adaptive antennas / MIMO systems / Space division multiple access / Spatial multiplexing / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 93, RCS2013-58, pp. 127-127, June 2013.
Paper # RCS2013-58 
Date of Issue 2013-06-13 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS  
Conference Date 2013-06-20 - 2013-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2013-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Radio Communication Systems with Space-Domain Signal Processing 
Sub Title (in English) The Unappreciated Technology is now ... 
Keyword(1) Adaptive antennas  
Keyword(2) MIMO systems  
Keyword(3) Space division multiple access  
Keyword(4) Spatial multiplexing  
1st Author's Name Yasutaka Ogawa  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Date Time 2013-06-20 17:30:00 
Presentation Time 45 
Registration for RCS 
Paper # IEICE-RCS2013-58 
Volume (vol) IEICE-113 
Number (no) no.93 
Page p.127 
#Pages IEICE-1 
Date of Issue IEICE-RCS-2013-06-13 

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