Improving amplify-and-forward relay networks: optimal power allocation versus selection.

Yi Zhao Raviraj Adve Teng Joon Lim Improving amplify-and-forward relay networks: optimal power allocation versus selection. 3114-3123 2007 6 IEEE Transactions on Wireless Communications 8 http://dx.doi.org/10.1109/TWC.2007.06026 db/journals/twc/twc6.html#ZhaoAL07