Low-complexity interference alignment method of multiple input multiple output (MIMO)interference channel system
A low-complexity technology for interfering with channels, applied in the field of communication
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[0048] In order to make the purpose, content and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0049] The low-complexity interference alignment method of the MIMO interference channel system proposed by the present invention is described as follows in conjunction with the accompanying drawings and embodiments:
[0050] Such as figure 1 Shown, the present invention comprises the following steps:
[0051] S1: Through channel estimation, obtain the channel matrix from the base station in the local cell to the users in the cell, and the interference channel matrix from other cells to the users in the cell, and randomly initialize the precoding matrix of the base station;
[0052] Suppose the system includes K base stations and K u users, the number of transmitting antennas of the kth base station is M k , the number of data streams transmitted by th...
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