Presentation 2009-03-04
Effectiveness of relay MIMO transmission in an actual outdoor environment
Kentaro NISHIMORI, Naoki HONMA, Masato MIZOGUCHI,
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Abstract(in English) Recently, the Multiuser MIMO (MU-MIMO) system has attracted much attention as a technology that enhances the total system capacity with a virtual MIMO channel. Moreover, cooperative transmission, which can obtain the diversity effect by using relay stations, is proposed from a point of view on enlarging service area. The cooperative transmission can be applicable for MU-MIMO systems. Although the performance on MIMO cooperative transmission is affected by an actual propagation environment, the performance on MIMO cooperative transmission has not studied using a measured propagation channel data. In this paper, we present the measurement result on the channel state information among the source, relay and destination with MIMO channels, in order to obtain the channel capacity in MIMO cooperative transmission. Then, the effectiveness of MIMO cooperative transmission is clarified in an actual outdoor scenario.
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Keyword(in English) multiuser MIMO / relay station / channel state information / heterogeneous pathloss condition / cooperative transmission
Paper # RCS2008-228
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Committee RCS
Conference Date 2009/2/25(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) Effectiveness of relay MIMO transmission in an actual outdoor environment
Sub Title (in English)
Keyword(1) multiuser MIMO
Keyword(2) relay station
Keyword(3) channel state information
Keyword(4) heterogeneous pathloss condition
Keyword(5) cooperative transmission
1st Author's Name Kentaro NISHIMORI
1st Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation()
2nd Author's Name Naoki HONMA
2nd Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation
3rd Author's Name Masato MIZOGUCHI
3rd Author's Affiliation NTT Network Innovation Laboratories, NTT Corporation
Date 2009-03-04
Paper # RCS2008-228
Volume (vol) vol.108
Number (no) 445
Page pp.pp.-
#Pages 6
Date of Issue