NDLI: Channel estimation for MIMO-OFDM-based wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Xiaoyun Hou Baoyu Zheng Hanwen Luo Wentao Song Hong-Bin Yu
Copyright Year	2004
Description	Author affiliation: Dept. of Electron. Eng., Shanghai Jiao Tong Univ., China (Xiaoyun Hou)
Abstract	We present an improved channel estimation algorithm for multiple-input and multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) based wireless networks, and design the optimal training sequences for the multiple antennas of the multiple cells which use the same frequency group. In order to achieve a better estimation, an iterative loop for suppressing cochannel interference (CCI) caused by frequency-reuse is added in our estimators. We describe the proposed estimators for wireless networks with synchronous and asynchronous CCI, and analyse their MSE performance. Computer simulation shows that the proposed estimators give much better performance than the conventional LS MIMO-OFDM channel estimator over non-sample-spaced multipath channels in wireless networks with CCI.
Starting Page	1883
Ending Page	1887
File Size	368910
Page Count	5
File Format	PDF
ISBN	0780382552
ISSN	15502252
DOI	10.1109/VETECS.2004.1390600
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-17
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel estimation Wireless networks Frequency estimation Radiofrequency interference Iterative algorithms OFDM Algorithm design and analysis Interchannel interference Performance analysis Computer simulation
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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