Presentation 2010-03-04
Degradation of channel capacity due to propagation delay difference in Base Station Cooperation MIIMO-OFDM
Shinichi TAJIMA, Naoki KUSASHIMA, Kei SAKAGUCHI, Kiyomichi ARAKI, Shoji KANEKO, Yoji KlSHI,
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Abstract(in English) In modern cellular systems, reduction of communication quality at cell-edge is a serious problem (cell-edge problem). Base Station Cooperation MIMO is anticipated to alleviate interferences at the cell-edge. However, due to propagation delay difference between Base Station (BS) and Mobile Station (MS), Inter-Symbol Interference and Inter-Carrier Interference degrade channel capcity in spite of OFDM symbol with Guard Interval. In this paper, method to determine reception at MS when signals are simultaneously transmitted from different BSs is proposed , and the paper also studies channel capacity degration with respcvt to the ideal case without propagation delay.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Base Station Cooperation / MIMO / OFDM / synchronization
Paper # RCS2009-289
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Committee RCS
Conference Date 2010/2/24(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Degradation of channel capacity due to propagation delay difference in Base Station Cooperation MIIMO-OFDM
Sub Title (in English)
Keyword(1) Base Station Cooperation
Keyword(2) MIMO
Keyword(3) OFDM
Keyword(4) synchronization
1st Author's Name Shinichi TAJIMA
1st Author's Affiliation Tokyo Institute of Technology()
2nd Author's Name Naoki KUSASHIMA
2nd Author's Affiliation Tokyo Institute of Technology
3rd Author's Name Kei SAKAGUCHI
3rd Author's Affiliation Tokyo Institute of Technology
4th Author's Name Kiyomichi ARAKI
4th Author's Affiliation Tokyo Institute of Technology
5th Author's Name Shoji KANEKO
5th Author's Affiliation KDDI R&D Laboratories Inc
6th Author's Name Yoji KlSHI
6th Author's Affiliation KDDI R&D Laboratories Inc
Date 2010-03-04
Paper # RCS2009-289
Volume (vol) vol.109
Number (no) 440
Page pp.pp.-
#Pages 6
Date of Issue