Lu Zhang 0005 Lin Dai Leonard J. Cimini Jr. Power-Efficient Relay Selection for Decentralized Distributed Space-Time Block Coding. 846-850 2007 conf/ciss/2007 CISS http://dx.doi.org/10.1109/CISS.2007.4298427 db/conf/ciss/ciss2007.html#ZhangDC07