一种基于BICM-ID的物理层网络编码联合设计方案  

Joint design of physical layer network coding and BICM-ID

作　　者：袁全盛 胡永江[1] 王长龙[1] 杨志民[1] 

机构地区：[1]军械工程学院无人机工程系,河北石家庄050003

出　　处：《电子技术应用》2015年第7期85-87,91,共4页Application of Electronic Technique

基　　金：装备预研基金重点项目(9140A25031113JB34074)

摘　　要：基于迭代比特交织编码调制(BICM-ID)提出了一种物理层网络编码与编码调制技术联合设计方案。该方案将编码调制技术和物理层网络编码联合设计,提高了网络吞吐量,通过设计一种星座映射方案,增大欧氏距离,降低误码率。此外,由于译码器部分只采用了一个SISO译码模块,编码译码方式采用卷积码,使得译码复杂度大大降低。A new joint scheme of coded modulation （CM） and physical layer network coding （PNC） is proposed based on bitinterleaved coded modulation with iterative decoding （BICM-ID）in the investigated two-way relay scenario. As a result of the adoption of new constellation mapping program ,the scheme improves the free distance of the coding sequence, thus more encoding gain is obtained. In addition, the proposed scheme combines coded modulation with physical layer network coding, thus improve the network throughput. Furthermore, complexity of decoding recede as a result of application of a single SISO in decoding module and convolutional coding. In this way the complexity of the decoding at the relay node is reduced by almost 50%.

关 键 词：迭代比特交织编码调制 物理层网络编码 卷积码 联合设计 

分 类 号：TN911.22[电子电信—通信与信息系统]