Large-scale antenna channel estimation method based on millimeter wave intelligent reflector communication
A large-scale antenna and channel estimation technology, applied in the direction of reducing energy consumption, baseband system, baseband system components, etc., can solve the problems of large number of antennas, unbearable channel estimation complexity, and no consideration of millimeter wave MIMO channel model, etc. Achieving the effect of good solution efficiency and accelerated convergence speed
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[0098] Such as figure 1 As shown, this embodiment discloses a method for estimating a millimeter-wave MIMO channel based on a hybrid multi-objective evolutionary algorithm based on an intelligent reflective surface, and the steps are as follows:
[0099] S1. Construct a communication scene with dense interference. The line-of-sight communication between the base station and the user is blocked and interrupted. Reflective surfaces are deployed in this scene to help improve communication coverage; first, collect the beamforming vector used by the base station to send signals to The reflective surface, users receive signals from the reflective surface at different times, forming two relay channel connections.
[0100] S2. According to the channel in the above scenario, it can be found that the channel is a series structure, and its estimation is quite difficult; therefore, using the Kronecker product, the IRS-enhanced mm-wave MIMO communication channel model is converted into a s...
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