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We discuss the SINR-maximization problem for analog receive beamforming with finite resolution phase shifters and amplifiers. This discrete optimization problem can be globally solved by means of branch-and-bound. The performance of the algorithm depends on the quality of bounds for the subproblems which are determined within the branch-and-bound procedure. These subproblems can be generated by a...
We present a new approach for analog receive beamforming if phase shifters and amplifiers have finite resolution only. Then, the maximization of the signal-to-interference-plus-noise ratio (SINR) is a discrete optimization problem with a nonconcave objective function. The discrete maximization problem is solved exactly by means of a branch-and-bound algorithm. Based on the Capon method, we derive...
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