| 基于连续精细化分层广播编码的接收机协作策略及性能分析 |
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| 引用本文： | 吴旭科,邱玲.基于连续精细化分层广播编码的接收机协作策略及性能分析[J].中国科学技术大学学报,2010,40(2). |
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| 作者姓名： | 吴旭科 邱玲 |
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| 作者单位： | 中国科学技术大学个人通信与扩频实验室,安徽合肥,230027 |
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| 基金项目： | 国家科技重大专项，国家重点基础研究发展(973)计划，中国高技术研究发展(863)计划(2006AA01Z266) 资助 |
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| 摘 要： | 在广播系统中用户间协作能有效改善系统的期望失真性能,但是在传统的协作方式(放大转发,解码转发)中,由于中继转发了对目标节点无用的信息,会造成系统额外的转发功率开销.针对此问题,提出基于连续精细化分层广播编码的接收机协作策略,利用连续精细化分层广播编码的结构特点,中继可以选择目的节点所需要的信息进行转发,在达到与解码转发协作方式相同的系统期望失真性能的同时,降低了中继节点的转发功率.
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| 关 键 词： | 分层广播编码 连续精细化 接收机协作 期望失真 转发功率 |
Receiver cooperation strategy and performance analysis based on layered broadcast coding with successive refinement |
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| WU Xuke,QIU Ling.Receiver cooperation strategy and performance analysis based on layered broadcast coding with successive refinement[J].Journal of University of Science and Technology of China,2010,40(2). |
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| Authors: | WU Xuke QIU Ling |
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| Institution: | WU Xuke,QIU Ling(PCN&SS Lab,University of Science , Technology of China,Hefei 230027,China) |
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| Abstract: | Cooperation in a broadcast system can effectively reduce the expected distortion of the system,but the traditional cooperation strategy causes extra cost because the relay node also forwards information that is useless for the destination.To solve this problem,a receiver cooperation strategy based on layered broadcast coding with successive refinement was derived.With this strategy,by taking advantage of the coding structure,the relay can select and forward the information useful for the destination,thus im... |
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| Keywords: | layered broadcast coding successive refinement receiver cooperation expected distortion forwarding power |
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