Low-Complex Equalization for Single Carrier Systems Employing Cyclic Prefix over Time-Variant Channels

Feng LI
Shihua ZHU
Lei WANG

Publication
IEICE TRANSACTIONS on Communications   Vol.E90-B    No.12    pp.3733-3737
Publication Date: 2007/12/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.12.3733
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
SC-CP,  channel equalization,  time-varying channels,  matrix factorization,  

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Summary: 
A simplified equalization method based on the band structure of the frequency domain channel matrix is proposed for the single carrier systems employing cyclic prefix (SC-CP) over time-varying wireless channels. Using both theoretical analysis and computer simulation, it is shown that the complexity of this method is proportional to the number of symbols in one SC-CP block and is less than that of traditional block equalization methods. We also show that they have similar performance.