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Paper Abstract and Keywords
Presentation 2006-05-19 16:05
Weight Control for Null Forming Method under Multi-user MIMO
Taihei Michihata, Naoto Ito, Hiroyuki Arai (Yokohama National Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) MIMO(Multiple-Input Multiple-Output) transmission technologies are expected to increase the system capacity within the same frepuency bandwidth with multiple antennas at both transmitter and receiver in wireless communications systems.When the number of user antenna is less than the antenna number of access points in the MIMO technology, high transmission capacity cannot be expected.Then, multi-user MIMO(Multi-user MIMO) technology is researched to achieve high transmission capacity in recent years.The null control method of the Zero-
Forcing standard and the Linear Processing known as conventional methods have not been examined in study of the space correlation and the eigenvalue under real propagation environment.This report presents compare for both methods under multiuser MIMO environment by the indoor environmental simulation using the ray-tracing technique.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-user MIMO / ray-tracing / place dependency / eigenvalue / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 40, AP2006-31, pp. 121-126, May 2006.
Paper # AP2006-31 
Date of Issue 2006-05-11 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP SAT  
Conference Date 2006-05-18 - 2006-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications and Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2006-05-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Weight Control for Null Forming Method under Multi-user MIMO 
Sub Title (in English)  
Keyword(1) multi-user MIMO  
Keyword(2) ray-tracing  
Keyword(3) place dependency  
Keyword(4) eigenvalue  
1st Author's Name Taihei Michihata  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Naoto Ito  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
3rd Author's Name Hiroyuki Arai  
3rd Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Date Time 2006-05-19 16:05:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2006-31 
Volume (vol) IEICE-106 
Number (no) no.40 
Page pp.121-126 
#Pages IEICE-6 
Date of Issue IEICE-AP-2006-05-11 

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