Integrating Network Coding and Superposition Coding in Extended Two-way Relay Networks

被引：1
|
作者：
Chen, Li [1 ]
Cao, Lei [1 ]
Zhang, Xin [1 ]
Yang, Dacheng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China
来源：
2010 IEEE GLOBECOM WORKSHOPS | 2010年
关键词：
Two-way Relay; Network Coding (NC); Rate Region; Superposition Coding (SC); Integrating Network Coding and Superposition Coding (INSC);
D O I：
10.1109/GLOCOMW.2010.5700184
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel information exchange scheme is proposed in this paper, which integrates Network Coding (NC) and Superposition Coding (SC) in two-way relay networks. The scheme focuses on the information exchange among more than two nodes through relay node in fewer time slots. Firstly, the Integrating Network Coding and Superposition Coding (INSC) scheme is proposed in scenarios with and without overhearing between neighbor nodes. Then the achievable rate regions of the INSC scheme, traditional Time-Division (TD) scheme and NC scheme are characterized. Also the gains of INSC on the maximum sum rate against the traditional schemes are studied, indicating that the INSC scheme can be superior to the traditional NC schemes in some cases. Finally, the performance of different schemes is evaluated through numerical simulation. The simulation results verify the theoretical analysis.
引用
收藏
页码：1481 / 1486
页数：6
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