Sciweavers

Share
ICC
2008
IEEE

Nonlinear Beamforming for Multiple-Antenna Assisted QPSK Wireless Systems

9 years 4 months ago
Nonlinear Beamforming for Multiple-Antenna Assisted QPSK Wireless Systems
— A nonlinear beamforming aided detector is proposed for multiple-antenna assisted quadrature phase shift keying systems. By exploiting the inherent symmetry of the optimal Bayesian detection solution, a symmetric radial basis function (SRBF) detector is developed which is capable of approaching the optimal Bayesian performance using channel-impaired training data. In the uplink case, adaptive nonlinear beamforming can be implemented effectively by estimating the channel matrix based on the least squares channel estimate. Adaptive implementation of nonlinear beamforming in the downlink case by contrast is much more challenging, and we adopt a cluster-variation enhanced clustering algorithm to directly identify the SRBF centre vectors required for realising the optimal Bayesian detector.
Sheng Chen, Lajos Hanzo, Shuang Tan
Added 30 May 2010
Updated 30 May 2010
Type Conference
Year 2008
Where ICC
Authors Sheng Chen, Lajos Hanzo, Shuang Tan
Comments (0)
books