Sphere decoding method applied to multi-input multi-output channel
A decoding method and multi-output technology, applied in transmission systems, digital transmission systems, and shaping networks in transmitters/receivers, etc., can solve problems such as increased energy consumption, decreased data processing capacity, and larger chip processor area.
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no. 1 example
[0026] The sphere decoding method applied to the MIMO channel of the present embodiment is applied in multiple domains, and includes the following steps: a. receiving T signals transmitted via the MIMO channel, where T is a positive integer, and the MIMO channel is characterized by a channel matrix ; b. Generate a triangular matrix corresponding to the channel matrix, the triangular matrix corresponds to a first estimation layer to a T estimation layer, wherein each estimation layer includes M star points, and M is a positive integer; c . Obtain a first zero-forcing soft-output solution corresponding to the first estimation layer, and obtain a first set based on the SE enumeration method, the first set has a plurality of the first estimation layer The first star-shaped point, take an i-th better point P(1) from the first set, and according to the i-th better point P(1), another first star-shaped point outside the first set The point is included in the first set, i is a positiv...
no. 2 example
[0061] The sphere decoding method applied to the MIMO channel of the present embodiment includes the following steps: a. receiving T signals transmitted via the MIMO channel, T is a positive integer, and the MIMO channel is characterized by a channel matrix; b. The channel matrix is represented by A real number form is expanded and a corresponding triangular matrix is generated, and the triangular matrix corresponds to a first estimation layer to a 2T estimation layer, wherein each estimation layer includes M star points, and M is a positive integer; c. Obtain a first soft output solution corresponding to the first estimation layer, and based on the SE enumeration method, obtain K better points P (1) of the first estimation layer, K is a positive integer; d. According to The K better points P(n-1) of the (n-1)th estimation layer are obtained corresponding to the Kth nth zero-forcing soft output solutions of an nth estimation layer, and a first-th n sets, the nth set has a ...
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