Presentation 2009-03-04
A Study on Transmit Power in an Uplink Virtual MIMO System
Yuta SAITO, Yasutaka OGAWA, Takeo OHGANE, Toshihiko NISHIMURA,
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Abstract(in English) A higher frequency band is considered to be used for future mobile communications. However, reliable transmission may not be possible in an uplink channel because of limited transmit power of terminals. We can improve uplink transmission performance using a virtual antenna array which is formed by multiple terminals cooperating with each other. However, because we have neglected the power for sharing data among the terminals in our previous studies, a fair comparison with a non-cooperating system has not been done. In this paper, we consider total transmit power required for a virtual MIMO system and compare the characteristic with that of non-cooperating system in variety of propagation environments.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Cooperative communication / Virtual MIMO System / Eigenbeam-space division multiplexing / Frequency offset / Transmit power
Paper # RCS2008-223
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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) A Study on Transmit Power in an Uplink Virtual MIMO System
Sub Title (in English)
Keyword(1) Cooperative communication
Keyword(2) Virtual MIMO System
Keyword(3) Eigenbeam-space division multiplexing
Keyword(4) Frequency offset
Keyword(5) Transmit power
1st Author's Name Yuta SAITO
1st Author's Affiliation Graduate School of Information Science and Technology, Hokkaido University()
2nd Author's Name Yasutaka OGAWA
2nd Author's Affiliation Graduate School of Information Science and Technology, Hokkaido University
3rd Author's Name Takeo OHGANE
3rd Author's Affiliation Graduate School of Information Science and Technology, Hokkaido University
4th Author's Name Toshihiko NISHIMURA
4th Author's Affiliation Graduate School of Information Science and Technology, Hokkaido University
Date 2009-03-04
Paper # RCS2008-223
Volume (vol) vol.108
Number (no) 445
Page pp.pp.-
#Pages 6
Date of Issue