Randomization sampling lattice decoding method based on limited distance decoding
A limited-distance, de-randomization technology, applied in the field of de-randomized sampling lattice decoding, which can solve problems such as affecting decoding efficiency and increasing complexity.
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[0078] The present invention will be further described below in conjunction with the accompanying drawings.
[0079] The present embodiment adopts Matlab simulation software, and method flow chart is as figure 1 shown, including the following steps:
[0080] Step 1, initialize the node list Φ and the candidate grid point list Ψ, and set the candidate grid point list length lzc and the initial sampling times K. When the initial sampling times K=15, the simulations are respectively carried out for the cases where the lengths of the list of candidate grid points lzc=1, 3, 5, and 7. Simultaneously, a simulation is also carried out for the case where the initial sampling times K=30 and the length of the list of candidate grid points lzc=9.
[0081] Step 2, establishing a MIMO system lattice decoding model.
[0082] Establish an uncoded MIMO communication system model consisting of 10 transmitting antennas and 10 receiving antennas, such as (1). The elements of the channel matrix ...
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