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Paper Abstract and Keywords
Presentation 2016-10-20 09:20
Downlink MMSE-SVD Joint Tx/Rx Filtering for Distributed Antenna Small-Cell Network under Multi-cell Environment
Yuta Seki, Fumiyuki Adachi (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Cooperative distributed antenna transmission (CDAT) can mitigate the impact of path loss, shadowing loss, and multi-path fading by adaptively choosing multiple distributed antennas close to user equipment (UE) and achieves a high link capacity. The CDAT is an advanced version of the coordinated multi-point (CoMP) transmission. Recently, we proposed a minimum mean square error filtering combined with singular value decomposition (MMSE-SVD) for multi-user spatial multiplexing and showed that it can achieve higher sum capacity than the use of conventional MMSE precoding. In cellular systems, since the same carrier-frequency is re-used by different macro base stations (MBSs), co-channel interference (CCI) from adjacent MBSs limits the capacity. In this paper, we modify the MMSE-SVD so as to take into account the CCI from adjacent macro-cells. We evaluate by computer simulation the achievable downlink sum capacity with the modified MMSE-SVD in a multi-cell environment and show that MMSE-SVD achieves higher capacity with lower computational complexity than the block diagonalization combined with SVD (BD-SVD).
Keyword (in Japanese) (See Japanese page) 
(in English) Distributed antenna / Downlink / OFDM / MU-MIMO / Co-channel interference / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 257, RCS2016-153, pp. 1-6, Oct. 2016.
Paper # RCS2016-153 
Date of Issue 2016-10-13 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS  
Conference Date 2016-10-20 - 2016-10-21 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP (Yokosuka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communication Schemes, Wireless Communication Systems, Wireless Standards, Future Wireless Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2016-10-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Downlink MMSE-SVD Joint Tx/Rx Filtering for Distributed Antenna Small-Cell Network under Multi-cell Environment 
Sub Title (in English)  
Keyword(1) Distributed antenna  
Keyword(2) Downlink  
Keyword(3) OFDM  
Keyword(4) MU-MIMO  
Keyword(5) Co-channel interference  
1st Author's Name Yuta Seki  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Fumiyuki Adachi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2016-10-20 09:20:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2016-153 
Volume (vol) IEICE-116 
Number (no) no.257 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2016-10-13 

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