Comments on `An Opportunistic-Based Protocol for Bidirectional Cooperative Networks'
暂无分享,去创建一个
In a recent paper (IEEE Trans. Wireless Commun., vol.8, no.9, 2009), Yi and Kim presented an optimum power allocation scheme for bidirectional cooperative networks employing opportunistic source selection (OSS) protocol. However, the optimum power allocation expressions in [1] are proved to be incorrect. We present correct optimum power allocation expressions, which are validated by the simulation results.
[1] Alejandro Ribeiro,et al. Symbol error probabilities for general Cooperative links , 2005, IEEE Trans. Wirel. Commun..
[2] Il-Min Kim,et al. An opportunistic-based protocol for bidirectional cooperative networks , 2009, IEEE Transactions on Wireless Communications.