Presentation 2005/2/24
A Study on Diversity Reception of Base Station on Indoor Environments
Yuta TAKAGI, Ryo YAMAGUCHI, Shinji UEBAYASHI,
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Abstract(in English) In order to realize a communication by the minimum transmission power of mobile stations on indoor environments as medical facilities, it's important to reduce the transmission point that cannot receive at a base station. As solutions of this problem, we consider the diversity technique, as space diversity and polarization diversity, is effective. The polarization diversity reception technique that makes branch each 3-axis components of electric field and magnetic field is applied. We also propose the 6 branch delay combiner system which is composed one receiver and apply RAKE diversity scheme as a reception system. To clarify the effect of our proposal, we manufactured the prototype system for trial and evaluated the characteristics. We confirmed that each antenna effectively works as a diversity branch at a same point and that the combination of the delay combiner system and 3-axis EH antenna improves the deterioration of the SN rate on indoor environments.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Indoor Environment / Base Station Antenna / Polarization Diversity / RAKE reception
Paper # WBS2004-121,A・P2004-302,RCS2004-389,MoMuC2004-172,MW2004-299
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Conference Information
Committee RCS
Conference Date 2005/2/24(1days)
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Paper Information
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 Diversity Reception of Base Station on Indoor Environments
Sub Title (in English)
Keyword(1) Indoor Environment
Keyword(2) Base Station Antenna
Keyword(3) Polarization Diversity
Keyword(4) RAKE reception
1st Author's Name Yuta TAKAGI
1st Author's Affiliation NTT DoCoMo, Inc.()
2nd Author's Name Ryo YAMAGUCHI
2nd Author's Affiliation NTT DoCoMo, Inc.
3rd Author's Name Shinji UEBAYASHI
3rd Author's Affiliation NTT DoCoMo, Inc.
Date 2005/2/24
Paper # WBS2004-121,A・P2004-302,RCS2004-389,MoMuC2004-172,MW2004-299
Volume (vol) vol.104
Number (no) 679
Page pp.pp.-
#Pages 6
Date of Issue