Research Article
Coordinated Precoding for D2D Communications Underlay Uplink MIMO Cellular Networks
Algorithm 2
Distributed precoding algorithm for solving problem (P1).
(1) initially set , , , , , , , , and . | (2) repeat | (3) compute , with , and compute , with . | (4) for | (5) compute by solving problem (P4.2) with CVX solver [22]. | (6) end for | (7) compute | (8) if | (9) . | (10) elseif | (11) . | (12) endif | (13) update , and update with . | (14) compute according to (4). | (15) until the termination criteria is satisfied. | (16) return and . |
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