Semi-blind adaptive spatial equalisation for MIMO systems with high-order QAM signalling
Chen, Sheng, Yao, Wang and Hanzo, Lajos (2008) Semi-blind adaptive spatial equalisation for MIMO systems with high-order QAM signalling. IEEE Transactions on Wireless Communications, 7, (11), 4486-4491.
- Published Version
This contribution investigates semi-blind adaptive spatial filtering or equalisation for multiple-input multiple-output (MIMO) systems that employ high-throughput quadrature amplitude modulation (QAM) signalling. A minimum number of training symbols, equal to the number of receivers (we assume that the number of transmitters is no more than that of receivers), are first utilized to provide a rough least squares channel estimate of the system's MIMO channel matrix for the initialization of the spatial equalizers' weight vectors. A constant modulus algorithm aided soft decision-directed blind algorithm, originally derived for blind equalization of single-input single-output and single-input multiple-output systems employing high-order QAM signalling, is then extended to adapt the spatial equalizers for MIMO systems. This semi-blind scheme has a low computational complexity, and our simulation results demonstrate that it converges fast to the minimum mean-square-error spatial equalization solution.
|Divisions:||Faculty of Physical and Applied Science > Electronics and Computer Science > Comms, Signal Processing & Control
|Date Deposited:||03 Dec 2008 10:28|
|Last Modified:||01 Mar 2012 17:17|
|Contributors:||Chen, Sheng (Author)
Yao, Wang (Author)
Hanzo, Lajos (Author)
|Further Information:||Google Scholar|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
Actions (login required)