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Article overview
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Relay Selection with Network Coding in Two-Way Relay Channels | | Yonghui Li
; Raymond H. Y. Louie
; Branka Vucetic
; | | Date: |
27 Sep 2010 | | Abstract: | In this paper, we consider the design of joint network coding (NC)and relay
selection (RS) in two-way relay channels. In the proposed schemes, two users
first sequentially broadcast their respective information to all the relays. We
propose two RS schemes, a single relay selection with NC and a dual relay
selection with NC. For both schemes, the selected relay(s) perform NC on the
received signals sent from the two users and forward them to both users. The
proposed schemes are analyzed and the exact bit error rate (BER) expressions
are derived and verified through Monte Carlo simulations. It is shown that the
dual relay selection with NC outperforms other considered relay selection
schemes in two-way relay channels. The results also reveal that the proposed NC
relay selection schemes provide a selection gain compared to a NC scheme with
no relay selection, and a network coding gain relative to a conventional relay
selection scheme with no NC. | | Source: | arXiv, 1009.5145 | | Services: | Forum | Review | PDF | Favorites | |
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