Method and device for carrying out MU-MIMO under time duplex mode
A time division duplex, mode technology, applied in diversity/multi-antenna system, shaping network in transmitter/receiver, digital transmission system, etc., to achieve the effect of reducing network construction cost and cost
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[0055] In order to fundamentally solve a series of problems such as the above-mentioned problems caused by the MU-MIMO based on the codebook, the present invention provides a new solution. In order to enable those skilled in the art to better understand the solution, the following will be combined with the accompanying drawings Describe in detail with examples.
[0056] Please refer to image 3 , is a flow chart of an embodiment of a method for performing MU-MIMO in time division duplex mode according to the present invention.
[0057] Suppose there are U UEs in the coverage area of the BS, and each UE is set with M i , can receive M i data streams; BS has N antennas, then the number of UEs B of MU-MIMO satisfies the following relationship:
[0058] Σ i = 1 B M i ≤ N .
[0059] Follow the steps below for MU-...
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