摘要
本文基于ＲｉｃｅＬｏｇｎｏｒｍａｌ联合分布的两种信道模型，定性地分析了移动卫星信道中的ＴＣＭＤＰＳＫ特性界．推导出了适合这两种信道模型的一种新的特性界表达式，讨论了８ＵＴＣＭＤＰＳＫ方案的误比特率．计算机模拟显示出，本文推导的方法不仅简便，而且得到的特性界比已有的界紧，能够较好地反应这类信道的ＴＣＭＤＰＳＫ特性．
In this paper,the analytical performance bound of TC MDPSK is presented over mobile satellite channels.The new performance bound is derived based on the two statistical models of Rice Lognormal combinative distribution,and the bit error probability of 8U TC MDPSK schemes is computed.The simulation shows that performance bounds derived in this paper are simple and are tighter than those available,which is in agreement with the characteristic of practical mobile satellite channels on TC MDPSK.
出处
《电子学报》
EI
CAS
CSCD
北大核心
1999年第8期70-72,51,共4页
Acta Electronica Sinica
