Presentation 2014-12-19
Driving Experiments of Collaborative Interference Cancellation System with Adaptive Signal Selection for Reducing Collaboration Cost
Yuma FUJIMOTO, Ryo SHINOHARA, Hidekazu MURATA,
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Abstract(in English) Multi-user multiple-input multiple-output (MU-MIMO) transmission has been investigated to improve the spectrum efficiency in wireless communications. Outdated CSI causes residual inter-user interference on preceding for MU-MIMO. An interference cancellation scheme by linear signal processing requires lots of antennas for mobile stations. Collaborative interference cancellation is possible to cancel inter-user interference. In this scheme, to increase the number of receiver antennas, mobile stations share their received signals collaboratively by using short-range wireless interface. As the number of collaborators increase to obtain diversity gain, the costs of sharing the received signals increase. In this paper, to reduce the costs of sharing the received signals, received signal selection based on combined SINK is proposed.
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Keyword(in English) Multi-user MIMO / Transmission experiment / Interference cancellation
Paper # RCS2014-262
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Committee RCS
Conference Date 2014/12/11(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) Driving Experiments of Collaborative Interference Cancellation System with Adaptive Signal Selection for Reducing Collaboration Cost
Sub Title (in English)
Keyword(1) Multi-user MIMO
Keyword(2) Transmission experiment
Keyword(3) Interference cancellation
1st Author's Name Yuma FUJIMOTO
1st Author's Affiliation Graduate School of Informatics, Kyoto University()
2nd Author's Name Ryo SHINOHARA
2nd Author's Affiliation Graduate School of Informatics, Kyoto University
3rd Author's Name Hidekazu MURATA
3rd Author's Affiliation Graduate School of Informatics, Kyoto University
Date 2014-12-19
Paper # RCS2014-262
Volume (vol) vol.114
Number (no) 372
Page pp.pp.-
#Pages 4
Date of Issue