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Efficient Iterative Frequency Domain Equalization for Single Carrier System with Insufficient Cyclic Prefix
Chuan WU Dan BAO Xiaoyang ZENG Yun CHEN
IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
single-carrier frequency domain equalization (SC-FDE), ISI, MMSE, cyclic prefix reconstruction (CPR),
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In this letter we present efficient iterative frequency domain equalization for single-carrier (SC) transmission systems with insufficient cyclic prefix (CP). Based on minimum mean square error (MMSE) criteria, iterative decision feedback frequency domain equalization (IDF-FDE) combined with cyclic prefix reconstruction (CPR) is derived to mitigate inter-symbol interference (ISI) and inter-carrier interference (ICI). Computer simulation results reveal that the proposed scheme significantly improves the performance of SC systems with insufficient CP compared with previous schemes.