Detecting method of high order modulated MIMO system in mobile environment
A high-order modulation and detection method technology, applied in the field of communication, can solve the problems of high MSD detection complexity and high detection complexity
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[0045] Reference figure 1 The specific implementation steps of the present invention are as follows:
[0046] Step 1, data preparation, obtain the channel value H through the channel estimation method Ch , The sphere radius C of the present invention is obtained by the method of sphere detection to obtain the sphere radius, and the receiving vector y is directly obtained from each receiving antenna.
[0047] Step two, to the channel value H Ch , Receive vector y for data processing, let H Ch =QR, y′=Q H In the y formula, H Ch Represents the channel matrix, Q is the column orthogonal matrix, R is the upper triangular matrix, H is the conjugate transpose, and y is the receiving vector.
[0048] Step three is to construct a data formula for detecting each modulation sublayer of each layer.
[0049] (3a) According to the data received by the receiving antenna and the channel value, construct the detected transmitting antenna data formula:
[0050] s ^ = [ s ^ t 1 ...
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