Bit error rate analysis of OFDM with pilot-assisted channel estimation

被引：2
|
作者：
Ku, Richol [1 ]
Takaoka, Shinsuke [1 ]
Adachi, Fumiyuki [1 ]
机构：
[1] Tohoku Univ, Sendai, Miyagi 9808579, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2007年 / E90B卷 / 07期
关键词：
OFDM; channel estimation; impulse response; polynomial interpolation; decision feedback; Wiener filter;
D O I：
10.1093/ietcom/e90-b.7.1725
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：
The objective of this paper is to develop the theoretical foundation to the pilot-assisted channel estimation using delay-time domain windowing for the coherent detection of OFDM signals. The pilot-assisted channel estimation using delay-time domain windowing is jointly used with polynomial interpolation, decision feedback and Wiener filter. A closed-form BER expression is derived. The impacts of the delay-time domain window width, multipath channel decay factor, the maximum Doppler frequency are discussed. The theoretical analysis is confirmed by computer simulation.
引用
收藏
页码：1725 / 1733
页数：9
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