摘要
提出并分析了基于Turbo码的大气无线光通信系统 ,针对大气无线光通信中的各种衰减和噪声分别进行了分析 ,通过仿真得出了特性曲线。比较了基于Turbo码的大气无线光通信系统与未编码大气无线光通信系统 ,发现Turbo码技术能够很好地补偿和克服各种衰减和噪声 ,提高了系统的抗干扰能力 ,使系统的性能得到了很大的提高。
An atmospheric optical wireless communication system based on Turbo code is introduced and investigated. Based on analysis on losses and noises of optical wireless system, characterizations of the optical wireless communication system based on Turbo code are presented with simulations. Compared with uncoded system, the Turbo-coded optical wireless system improves the performance of optical wireless link because Turbo code compensates losses and noises of link and improves jamming-rejection capability of system.
出处
《中国激光》
EI
CAS
CSCD
北大核心
2003年第9期835-838,共4页
Chinese Journal of Lasers
基金
北京市自然科学基金 (40 0 2 0 0 7)资助项目
关键词
无线通信技术
TURBO码
瞄准偏差
大气衰减
Attenuation
Communication channels (information theory)
Computer simulation
Light transmission
Optical communication
Turbo codes
