Channel estimation algorithm for OFDM based on PCC training symbols

被引：0
|
作者：
Tang, Tian [1 ]
Jiang, Jun [1 ]
Zhang, Ping [1 ]
机构：
[1] School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
来源：
Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications | 2007年 / 30卷 / 04期
关键词：
Algorithms - Bit error rate - Computer simulation - Impulse response - Mathematical models - Orthogonal frequency division multiplexing - Polynomials - Signal encoding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The leakage of channel impulse response (CIR) in channel estimation for the orthogonal frequency division multiplexing (OFDM) systems is analyzed. A channel estimation algorithm in time domain is newly proposed. To overcome the leakage of CIR, the frequency guard bands are reduced by using the polynomial cancellation coding (PCC) training symbols. The symbols have fast spectral roll-off. Comparison has been done between the proposed algorithm and the existing channel estimation algorithms. Simulation results show the decreasing of channel estimation mean square (MSE) and the improvement of bit error rate (BER) performance by the proposed algorithm.
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页码：37 / 40
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