Serially concatenated continuous phase modulation with iterative decoding

被引：131

作者：

Moqvist, P ^{[1
]}

Aulin, TM

机构：

[1] Chalmers Univ Technol, Telecommun Theory Grp, Dept Comp Engn, SE-41296 Gothenburg, Sweden

[2] Ericsson Mobile Data Design AB, SE-41266 Gothenburg, Sweden

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2001年 / 49卷 / 11期

关键词：

APP algorithm; concatenated codes; continuous phase modulation; iterative decoding; serial concatenation;

D O I：

10.1109/26.966054

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：

Serially concatenated and interleaved continuous phase modulation (CPM) with iterative decoding is investigated. Ana posteriori probability (APP) algorithm for CPM is developed based on the classic APP algorithm for channel codes. The system is analyzed through upper bounds on the average bit error probability. For coded and interleaved minimum shift keying, the weight spectrum is computed, resulting in a transfer function bound. This is cumbersome for a general CPM system; instead, only the most significant error events contributing to the weight spectrum are identified. Simulations show that, firstly, these events give a satisfactory view of system performance when equal outer codes are used, and secondly, that remarkably good performance can be obtained for some simple systems. finally, power spectral densities and bandwidths are computed, allowing for a bandwidth/performance comparison of different combinations.

引用

页码：1901 / 1915

页数：15

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