Exact(60)
Let us first consider the power vector update.
Denote the channel power vector of link as.
The power vector that yields the rates is (27).
For some given receive beamforming matrix and power vector, a new power vector is chosen such that.
Next, use this optimal transmission power vector to find the optimal interference price ω k *.
where p = [p1, …, p K ] T denotes the uplink power vector of the users.
Based on available H ̂ n, each TN n designs the transmit power vector P n CS.
After convergence, the power vector P m will be the output.
where P _ i is the uplink transmit power vector without the user i.
The initial uplink power vector is chosen as p(0) = 0.
Set the initial power vector at time t = 0: p = p(0).
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