Metric for noncoherent sequence estimation

被引：22
|
作者：
Schober, R [1 ]
Gerstacker, WH [1 ]
机构：
[1] Univ Erlangen Nurnberg, Lehrstuhl Nachrichtentech 2, D-91058 Erlangen, Germany
来源：
ELECTRONICS LETTERS | 1999年 / 35卷 / 25期
关键词：
D O I：
10.1049/el:19991489
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：
A novel simple noncoherent sequence estimation (NSE) metric for M-ary differential phase-shift keying (MDPSK) transmission over intersymbol interference (ISI) channels is proposed. In contrast to previously reported NSE schemes; the phase reference symbol required for metric calculation can be obtained efficiently in a recursive manner. Simulations demonstrate the high performance of the novel scheme, which can approach the performance of coherent maximum-likelihood sequence estimation (MLSE) while the complexity of metric computation remains relatively low.
引用
收藏
页码：2178 / 2179
页数：2
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