Joint Channel Estimation and Phase Noise Suppression for OFDM Systems

被引：1
|
作者：
Kim, Yong-Hwa [1 ]
Kim, Seong-Cheol [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul, South Korea
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2008年 / E91B卷 / 10期
关键词：
maximum-likelihood; minimum mean square error; orthogonal frequency-division multiplexing (OFDM); phase noise (PHN);
D O I：
10.1093/ietcom/e91-b.10.3371
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Phase noise (PHN) call cause the common phase error (CPE) and the inter-carrier interference (10). both of which impair the accurate channel estimation in orthogonal frequency division multiplexing (OFDM) systems. In this letter, we build a new signal model parameterized by the channel impulse response, the CPE and the ICL Based on this model. we derive the maximum likelihood estimator (MLE) and the minimum mean square error estimator (MMSEE). Simulation results show [fiat the proposed schemes significantly improve the performance of OFDM systems in the presence of PHN.
引用
收藏
页码：3371 / 3374
页数：4
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