Measurement-Based Performance Evaluation of Coded MIMO-OFDM Spatial Multiplexing with MMSE Spatial Filtering in an Indoor Line-of-Sight Environment

Nishimoto, Hiroshi; Nishimura, Toshihiko; Ohgane, Takeo; Ogawa, Yasutaka

Measurement-Based Performance Evaluation of Coded MIMO-OFDM Spatial Multiplexing with MMSE Spatial Filtering in an Indoor Line-of-Sight Environment

Nishimoto, Hiroshi; Nishimura, Toshihiko; Ohgane, Takeo et al.

IEICE Transactions on Communications, 2008, E91-B(5), 1648-1652

Permalink : https://hdl.handle.net/2115/42656

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アクセス権	open access
URI	https://hdl.handle.net/2115/42656
タイトル	Measurement-Based Performance Evaluation of Coded MIMO-OFDM Spatial Multiplexing with MMSE Spatial Filtering in an Indoor Line-of-Sight Environment
著者	Nishimoto, Hiroshi ; Nishimura, Toshihiko ; Ohgane, Takeo ; Ogawa, Yasutaka
著者名 Nishimoto, Hiroshi
e-Rad_Researcher 70301934 著者名 Nishimura, Toshihiko
e-Rad_Researcher 10271636 著者名 Ohgane, Takeo
e-Rad_Researcher 70125293 著者名 Ogawa, Yasutaka
言語	英語
キーワード	MIMO
	OFDM
	spatial multiplexing
	MMSE spatial filtering
	indoor channel measurement
	line-of-sight environments
	space-frequency diversity
発行日	2008-05-01
出版者	The Institute of Electronics, Information and Communication Engineers
収録物名	IEICE Transactions on Communications
巻(号)	E91-B(5)
ページ	1648-1652
記述	Letter
抄録	The MIMO system can meet the growing demand for higher capacity in wireless communication fields. So far, the authors have reported that, based on channel measurements, uncoded performance of narrowband MIMO spatial multiplexing in indoor line-of-sight (LOS) environments generally outperforms that in non-LOS (NLOS) ones under the same transmit power condition. In space-frequency coded MIMO-OFDM spatial multiplexing, however, we cannot expect high space-frequency diversity gain in LOS environments because of high fading correlations and low frequency selectivity of channels so that the performance may degrade unlike uncoded cases. In this letter, we present the practical performance of coded MIMO-OFDM spatial multiplexing based on indoor channel measurements. The results show that an LOS environment tends to provide lower space-frequency diversity effect whereas the MIMO-OFDM spatial multiplexing performance is still better in the environment compared with an NLOS environment.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	copyright©2008 IEICE
PISSN	0916-8516
EISSN	1745-1345
NCID	AA10826261
関連情報	URI http://search.ieice.org/
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1093/ietcom/e91-b.5.1648