Patent ID: 8208575
Filing Date: 2012-06-26
Classification: H04B

Abstract:
1. A method executed in a non-transitory multi-input multi-output (MIMO) receiver applied to a MIMO channel, comprising: receiving by the MIMO receiver T signals transmitted via the MIMO channel and generating a first triangular matrix corresponding to a channel matrix, wherein the MIMO channel is characterized by the channel matrix, and T is a positive integer; converting in the MIMO receiver the first triangular matrix from a complex domain into a real domain to obtain a second triangular matrix, wherein the second triangular matrix corresponds to a first estimation layer to a (2T)-th estimation layer; subsequently obtaining a plurality of zero-forcing soft-output solutions corresponding to the first to the (2T)-th estimation layers; obtaining a plurality of preferred points of the 2T-th estimation layer according to the zero-forcing soft-output solution of the 2T-th estimation layer; and mapping by the MIMO receiver the preferred point of the 2T-th estimation layer corresponding to the least partial Euclidean distance (PED) from the real domain into the complex domain to generate a solution corresponding to the T signals.