Iterative Coded Multipulse Pulse Position Modulation for High Data Rate Optical Space Communication  

作　　者：TAN Ying LIU Wei GUO Jianzhong AI Yong 

机构地区：[1]School of Electronic Information, Wuhan University, Wuhan 430079, China

出　　处：《Chinese Journal of Electronics》2011年第1期121-124,共4页电子学报（英文版）

基　　金：This work is supported by the National Natural Science Foundation of China / Joint Found of Aeronautical Science and Technology （No.10477014）.

摘　　要：We present a modulation and coding scheme comprised of the serially concatenation of a convolutional code, interleaver, accumulator, and Multipulse pulse position modulation （MPPM） [or Serially concatenated MPPM （SCMPPM）] for high data rate optical space communication. It is decoded with an iterative demodulatordecoder, using standard turbo-decoding techniques. The Serially concatenated pulse position modulation （SCPPM） has been demonstrated to give the best performance on a space optical llnk modeled as Poisson channels. We compare the performance of both systems at the same transmission bandwidth and information bits transmitted per modulation symbol on the same link. It is shown that, compared to the SCPPM, the SCMPPM provides better Bit-error rate （BER） performance when operating under a peak power constraint, and is able to achieve higher data rates. Hence, the SCMPPM can be applied to high data rate optical space communication systems where bandwidth and peak power are restricted.

关 键 词：Space optical communication Pulse position modulation （PPM）  Multipulse pulse position modulation （MPPM） Error correction coding. 

分 类 号：TN92[电子电信—通信与信息系统] TN929.1[电子电信—信息与通信工程]