1Nosratinia A,Hunter T E,and Hedayat A.Cooperative communication tn wireless networks.IEEE Communications Magazine,2004,42(10):74-80.
2Laneman J N,Tse D N C,and Womell G W.Cooperative diversity in wireless networks:efficient protocols and outage behavior.IEEE Transactions on Information Theory,2004,50(12):3062-3080.
3Jing Y and Hassibi B.Distributed space-time coding in wireless relay networks.IEEE Transactions on Wireless Communications,2006,5(12):3524-3536.
4Zhang W,Li Y,and Xia X,et al..Distributed spacefrequency coding for cooperative diversity in broadband wireless ad hoc networks.IEEE Transactions on Wireless Communications,2008,7(3):995-1003.
5Gedik B and Uysal M.Impact of imperfect channel estimation on the performance of amplify-and-forward relaying.IEEE Transactions on Wireless Communications.2008,8(3):1468-1479.
6Wu Y and Patzold M.Performance analysis of amplify-andforward cooperative communication systems with channel estimation errors.Proceedings of The 2008 IEEE 11th International Conference on Communication Systems,Guangzhou,China,2008:1620-1624.
7Yomo H and Carvalho E D.A CSI estimation method for wireless relay network.IEEE Communications Letters,2007,11(6):480-482.
8Patel C S and Stuber G L.Channel estimation for amplify and forward relay based cooperation diversity systems.IEEE Transactions on Wireless Communications,2007,6(6):2348-2356.
9Gao F F,Cui T,and Nallanathan A.On channel estimation and optimal training design for amplify and forward relay networks.IEEE Transactions on Wireless Communications,2008,7(5):1907-1916.
10Kim K,Kim H,and Park H.OFDM channel estimation for the ampnfy-and-forward cooperative channel.Proceedings of The 2007 IEEE 65th Vehicular Technology Conference,Dublin,Ireland,2007:1642-1646.