CTC与网络编码的联合设计研究  

Research of joint design of CTC and network coding

作　　者：吴宇平[1] 赵旦峰[1] 佟宁宁[1,2] 

机构地区：[1]哈尔滨工程大学信息与通信工程学院,哈尔滨150001 [2]黑龙江工程学院电气与信息工程学院,哈尔滨150050

出　　处：《计算机工程与应用》2012年第17期5-9,共5页Computer Engineering and Applications

基　　金：黑龙江省自然科学基金(No.F200810)

摘　　要：Turbo码由于具有并行级联的特点,更易于与网络编码进行联合设计,迄今为止成为信道编码与网络编码联合设计领域的一个热点。在研究无线网络中物理层网络编码技术的基础上,提出了一种新型的物理层网络编码和信道编码的联合设计方案,即CTC码(卷积Turbo码)与网络编码的联合设计方案,该方案具有较小的译码时延,更强的纠错性能,对于移动台(MS)来说,不仅提高了码率,还比MS直接使用CTC编码的算法简单。仿真结果表明CTC-网络编码系统具有较强的纠错性能,更适合于各种恶劣环境下的通信。Since Turbo code has parallel concatenated features, easier to design with the joint network coding, so far it is a hotspot of channel coding and network coding joint design. A new scheme of joint design of network cod- ing and channel coding based on studying physical layer＇ s networking coding in wireless network is proposed, that is the joint design of Convolutional Turbo Code（CTC） and network coding. This scheme has smaller decoding de- lay, stronger error correction performance, and for Mobile Station（MS）, not only improves the rate, but also is sim- pler than direct application of the CTC encoding algorithm. This scheme＇ s simulation result shows that CTC-network coding system has stronger error correction performance and is more suitable for harsh communication environment.

关 键 词：通信与信息系统 卷积TURBO码 TURBO码 网络编码 信道编码 中继 

分 类 号：TN911.22[电子电信—通信与信息系统]