Fractionally spaced adaptive. decision feedback equalizers with applications to ATSC DTV receivers

被引：1
|
作者：
Lei, Q [1 ]
Jian, X [1 ]
Zhang, WJ [1 ]
Chen, JJ [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Image Commun & Informat Proc, Shanghai, Peoples R China
来源：
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2004年 / 50卷 / 04期
基金：
美国国家科学基金会;
关键词：
adaptive equalizer; ATSC; DTV; decision feedback equalizer; fractionally spaced linear equalizer;
D O I：
10.1109/TCE.2004.1362490
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：
In this paper, according to the multi-channel model of the fractionally spaced linear equalizers, the symbol spaced adaptive decision feedback equalizers (ADFE) are extended to the fractionally spaced adaptive decision feedback equalizers (FSADFE) naturally. We applied FSADFE to the ATSC DTV receivers. The ADFE converges very slowly when the channel presents severe characteristic, which results in the poor performance. FSADFE can make up this weakness of ADFE, and the gain of performance between them is considerable. This gain benefits the DTV receivers, especially in some severe channels.(1)
引用
收藏
页码：999 / 1003
页数：5
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