Combined interference phase alignment method based on Bayes estimation and inter-data flow power allocation
A technology of phase alignment and data flow, applied in the field of interference management in cellular wireless communication, can solve problems such as not considering the impact of useful signals, achieve low bit error rate, reduce impact, and enhance robustness
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[0025] In order to make the purpose of the present invention, technical solutions and advantages clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings, including the following steps:
[0026] The present invention proposes a joint interference phase alignment scheme based on Bayesian estimation and power allocation among data streams, which is characterized in that in a multi-cell MIMO-BC system, the time delay error CSI is estimated by Bayesian estimation, combined with power allocation and phase Alignment Design Robust perturbation alignment scheme.
[0027] Technical solution of the present invention comprises the following steps:
[0028] Step 1, the system of this scheme is the situation of the downlink (MIMO-BC) of multi-cell MIMO cellular network, such as figure 1 Shown is a G cell MIMO-BC interference channel model. Each cell has K users, each user has N (receiving antennas) antennas, and each cell has ...
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