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IEICE TRANSACTIONS on Communications

Low-Complexity ICI Cancellation in Frequency Domain for OFDM Systems in Time-Varying Multipath Channels

Hongmei WANG, Xiang CHEN, Shidong ZHOU, Ming ZHAO, Yan YAO

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Summary :

In this letter, we propose a partial minimum mean-squared error (MMSE) with successive interference cancellation (PMMSESIC) method in frequency domain to mitigate ICI caused by channel variation. Each detection, the proposed method detects the symbol with the largest received signal-to-interference-plus-noise ratio (SINR) among all the undetected symbols, using an MMSE detector that considers only the interference of several neithborhood subcarriers. Analysis and simulations show that it outperforms the MMSE method at relatively high Eb/N0 and its performance is close to the MMSE with successive detection (MMSESD) method in relatively low Doppler frequency region.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.3 pp.1020-1023
Publication Date
2006/03/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.3.1020
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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