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2010
IEEE

Performance Evaluation of Joint Network-Channel Coding under a Real Network Topology Model

8 years 2 months ago
Performance Evaluation of Joint Network-Channel Coding under a Real Network Topology Model
— Adaptive network coded cooperation (ANCC) has been proposed as an effective scheme to combine network and channel coding for cooperative wireless networks by matching network-on-graph to code-on-graph. Since the real network consists of randomly faded channels, the link failure and topology change are unavoidable. In this paper, we investigate the performance of ANCC in a real wireless sensor network (WSN). Different network codes are constructed to match these instantaneous network topologies. By designing a proper network code through optimizing source node degrees, a significant performance improvement is achieved. In addition, we consider the noisy channel between the source and relay, and propose a soft information relaying based ANCC scheme. Simulation results show that the proposed scheme considerably improves the system performance compared to the hard-decision relaying ANCC scheme.
Kun Pang, Zihuai Lin, Yonghui Li, Branka Vucetic
Added 31 Jan 2011
Updated 31 Jan 2011
Type Journal
Year 2010
Where VTC
Authors Kun Pang, Zihuai Lin, Yonghui Li, Branka Vucetic
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