P. Marsch and G. Fettweis, A Framework for Optimizing the Downlink Performance of Distributed Antenna Systems under a Constrained Backhaul, Proc. of EW, 2007.

C. Botella, G. Pinero, A. Gonzalez, and M. De-diego, Coordination in a Multi-Cell Multi-Antenna Multi-User W-CDMA System: A Beamforming Approach, IEEE Transactions on Wireless Communications, vol.7, issue.11, 2008.
DOI : 10.1109/T-WC.2008.070844