Yifan Chen Chau Yuen Yan Zhang Zhenrong Zhang Cross-Correlation Analysis of Generalized Distributed Antenna Systems with Cooperative Diversity. 309-313 2007 conf/vtc/2007s VTC Spring http://dx.doi.org/10.1109/VETECS.2007.75 db/conf/vtc/vtc2007s.html#ChenYZZ07