Performance Comparisons of Relaying Schemes in Bi-Directional Demodulate-and-Forward Channels

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
Bi-Directional Relaying (BDR) in which two users wish to exchange independent information in presence of a relay is one of the fundamental wireless network coding applications that attracted intense interests recently. In this paper, Maximum Likelihood (ML), Cooperative Maximal Ratio Combining (CMRC) and Soft Information Relaying (SIR) schemes proposed to combat error propagation in wireless relay systems are applied to the BDR scenario with demodulate-and-forward protocol, which decreases system complexity and cost by removing the decoding process at the relay terminal.

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