Multi-user MIMO Uplink Precoding Method Based on SAR Constrained Energy Efficiency Maximization
A multi-user, precoding technology, applied in the field of communication, can solve problems such as difficulty in obtaining instantaneous channel state information, instant channel state information is easily outdated, etc., to improve transmission robustness, reduce EM radiation, reduce complexity and overhead Effect
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[0020] The present invention will be further explained in conjunction with the accompanying drawings.
[0021] Combined with specific scenarios, the energy efficiency of the SAR constraints of the present invention will be described with reference to the following steps:
[0022] 1) Multi-user MIMO uplink communication scene
[0023] Considering the multi-user MIMO uplink propagation scene, base station configuration M root antenna, there are K users in the cell, and the collection of users is Each user configures N k Root antenna. The channel matrix of the king user to the base station, Indicate M × N k The complex domain matrix considers the combined related Raylei fading channel model, then h k Expressed as in Statistical feature domain channel matrix of Kn to the base station, U k And V k It is a deterministic 酉 matrix, (.) H Indicates the conjugate transposition calculation of the matrix. The statistical channel status information of this channel is expressed as Among t...
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