Telecommunications Science ›› 2010, Vol. 26 ›› Issue (5): 72-77.doi: 10.3969/j.issn.1000-0801.2010.05.018

• research and development • Previous Articles     Next Articles

Bi-Directional Relaying Strategy for Linear Four-Node Wireless Network Based on Network Coding and Superposition Coding

Xiangdong Jia1,2,Longxiang Yang1   

  1. 1 Nanjing University of Posts and Telecommunications,Nanjing 210003,China
    2 College of Mathematics and Information Science,Northwest Normal University,Lanzhou 730070,China
  • Online:2010-05-15 Published:2010-05-15

Abstract:

Bi-directional relaying strategies for linear four-node wireless network are discussed in this paper. The system model is that linear four nodes want to realize the bi-directional information exchanges of two packets that are belong to two pairs of nodes respectively. Each node is equipped with single antenna,and operates in half-duplex model,and a transmission period consists of four slots. For this cooperative bi-directional relaying model,three relaying strategies are proposed as well as the analysis of achievable rate region.

Key words: wireless communication, superposition coding, network coding, cooperative, cognitive receiver

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