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Paper Abstract and Keywords
Presentation 2014-03-06 15:15
A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission(2) -- Performance evaluation in case with feedback-type weight controls for time-varying channels --
Yusuke Ohki, Satoshi Takabatake, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmitter/receiver spatial filtering, a transmitter weight optimization method has been investigated. In this paper, we evaluate performance of a per-antenna transmit power constrained MIMO SDM systems under time-varying channels, where we assume frequency division duplex (FDD) systems and apply a method that the receiver send back the difference between channel estimates of current and previous ones. We also investigate a method that the receiver send back the difference between weights currently used at the transmitter and optimum ones calculated at the receiver. Computer simulation results show that bit error rate (BER) performance of the proposed system is improved with the above feedback type weight control techniques for time-varying channels.
Keyword (in Japanese) (See Japanese page) 
(in English) Space division multiplexing / MIMO / Per-antenna transmit power / Coefficient of transmitter weight / Time-varying channels / FDD / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 465, CS2013-123, pp. 115-120, March 2014.
Paper # CS2013-123 
Date of Issue 2014-02-27 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.

Conference Information
Committee CS CAS SIP  
Conference Date 2014-03-06 - 2014-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka City University Media Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for Communication, Wireless LAN/PAN, etc. 
Paper Information
Registration To CS 
Conference Code 2014-03-CS-CAS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission(2) 
Sub Title (in English) Performance evaluation in case with feedback-type weight controls for time-varying channels 
Keyword(1) Space division multiplexing  
Keyword(2) MIMO  
Keyword(3) Per-antenna transmit power  
Keyword(4) Coefficient of transmitter weight  
Keyword(5) Time-varying channels  
Keyword(6) FDD  
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Keyword(8)  
1st Author's Name Yusuke Ohki  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Satoshi Takabatake  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Osamu Muta  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Hiroshi Furukawa  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker
Date Time 2014-03-06 15:15:00 
Presentation Time 25 
Registration for CS 
Paper # IEICE-CAS2013-110,IEICE-SIP2013-156,IEICE-CS2013-123 
Volume (vol) IEICE-113 
Number (no) no.463(CAS), no.464(SIP), no.465(CS) 
Page pp.115-120 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2014-02-27,IEICE-SIP-2014-02-27,IEICE-CS-2014-02-27 


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