Figure 1From: Constrained power allocation schemes for coordinated base station transmission using block diagonalizationIllustration of the system model for M = 3 base stations each equipped with t = 3 transmit antennas, N = 3 users, each with r = 1 receive antenna. The solid lines are used for channel H1 experienced by user 1, and the dotted lines H2 for user 2.Back to article page