Channel Estimation for OFDM-Based WLANs in the Presence of Wiener Phase Noise and Residual Frequency Offset(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In orthogonal frequency-division multiplexing (OFDM)-based wireless local area networks (WLANs), phase noise (PHN) and residual frequency offset (RFO) can cause the common phase error (CPE) and the inter-carrier interferences (ICI), which seriously degrade the performance of systems. In this letter, we propose a combined pilot symbol assisted and decision-directed channel estimation scheme based on the least-squares (LS) and the maximum-likelihood (ML) algorithms. Simulation results present that the proposed scheme significantly improves the performance of OFDM-based WLANs.
- 社団法人電子情報通信学会の論文
- 2006-05-01
著者
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Kim Seong‐cheol
Seoul National Univ. Seoul Kor
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Kim Seong-cheol
Institute Of New Media And Communications School Of Electrical Engineering And Computer Science Seou
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Lee Jong-ho
Institute Of New Media And Communications School Of Electrical Engineering And Computer Science Seou
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Kim Yong-hwa
Institute Of New Media And Communications School Of Electrical Engineering And Computer Science Seou
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Kim Seong-cheol
Radio Technology Lab. Soee&inmc Seoul National University
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Lee Jong-ho
Samsung Electronics Company Ltd.
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Lee Jong‐ho
Samsung Electronics Company Ltd.
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Kim Seong-cheol
Institute Of New Media And Communication Seoul Nat'l Univ.
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