PERFORMANCE OF TRELLIS-CODED MODULATION SCHEMES ON SHADOWED MOBILE SATELLITE COMMUNICATION CHANNELS

被引:2
|
作者
TELLAMBURA, C
WANG, Q
BHARGAVA, VK
机构
[1] Department of Electrical and Computer Engineering, University of Victoria, Victoria
关键词
D O I
10.1109/25.282273
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 Canadian mobile satellite (MSAT) channel has been modeled as the sum of lognormal and Rayleigh components to represent foliage attenuation and multipath fading, respectively. Several authors have applied trellis coded modulation (TCM) schemes to this channel, estimating the bit error performance via computer simulation. In this paper, analytical expressions are derived for the pairwise error probability (PEP) of TCM schemes over this channel under ideal interleaving. The analysis is applied to three detection strategies: ideal coherent detection, pilot-tone aided detection, and differential detection. The results are substantiated by means of computer simulation. In addition, first-order statistics of absolute and differential phases of a shadowed Rician process are examined.
引用
收藏
页码:128 / 139
页数:12
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