H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/00 (2006.01) H01Q 21/00 (2006.01) H04B 7/08 (2006.01)
Patent
CA 2323368
A method is disclosed for signal detection in a wireless communication system that includes multiple-antenna arrays for transmission and reception. The method involves multiplying a vector of signals collected from respective receiving antennas by a nulling vector, such that the resulting vector product provides an estimated value corresponding to a specific one of the transmitted signals. A respective such multiplication is performed to detect each of the transmitted signals. In contrast to related methods of the prior art, each nulling vector is obtained from a channel matrix of estimated channel coefficients without performing any matrix inversion operations, and only a single pseudoinverse related to the channel matrix is computed. As a result, numerical stability is improved and the computational complexity of the method is reduced by an order of magnitude relative to methods of the prior art.
Kirby Eades Gale Baker
Lucent Technologies Inc.
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