BEM-based detector for CPM signals transmitted over frequency-flat fading channels

被引：2

作者：

Chiavaccini, E ^{[1
]}

Vitetta, GM ^{[1
]}

机构：

[1] Univ Modena & Reggio Emilia, Dept Informat Engn, I-41100 Modena, Italy

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2003年 / 2卷 / 03期

关键词：

continuous phase modulation (CPM) signals; expectation-maximization (EM) algorithm; fading channels; maximum a posteriori (MAP) detection;

D O I：

10.1109/TWC.2003.811173

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, the expectation-maximization (EM) algorithm for maximum a posteriori (MAP) estimation of a random vector is applied to the problem of symbol detection, for continuous phase modulation signals transmitted over time-selective Rayleigh-fading channels. This results in a soft-in-soft-out detection algorithm suitable for iterative detection/decoding schemes. Simulation results show that the error performance provided by the proposed solution is very close to that of a MAP detector endowed with an ideal knowledge of the channel state both in uncoded and coded transmissions.

引用

页码：409 / 412

页数：4

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