Adaptive filter theory (3rd ed.)
Adaptive filter theory (3rd ed.)
Learning and Soft Computing: Support Vector Machines, Neural Networks, and Fuzzy Logic Models
Learning and Soft Computing: Support Vector Machines, Neural Networks, and Fuzzy Logic Models
EURASIP Journal on Advances in Signal Processing
Space-time adaptive reduced-rank multistage Wiener filtering for asynchronous DS-CDMA
IEEE Transactions on Signal Processing
Low-complexity blind synchronization and demodulation for (ultra-)wideband multi-user ad hoc access
IEEE Transactions on Wireless Communications
A multistage representation of the Wiener filter based on orthogonal projections
IEEE Transactions on Information Theory
A family of suboptimum detectors for coherent multiuser communications
IEEE Journal on Selected Areas in Communications
Channel estimation for ultra-wideband communications
IEEE Journal on Selected Areas in Communications
Multiple access for UWB impulse radio with pseudochaotic time hopping
IEEE Journal on Selected Areas in Communications
Multistage block-spreading for impulse radio multiple access through ISI channels
IEEE Journal on Selected Areas in Communications
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In recent years, combining multiuser detection and intelligence computer scheme have received considerable attention. In this paper, adaptive fuzzy-inference multistage matrix wiener filtering (FI-MMWF) techniques, based on the minimum mean-square error criterion, are proposed for ultra-wideband (UWB) impulse radio communication systems. These FI-MMWF-based algorithms employ a time-varying fuzzy-inference-controlled filter stage. Consequently, the proposed approaches accomplish a substantial saving in complexity without trading off the system performance and dynamic-tracking characteristic. In addition, the fuzzy-logic-controlled matrix conjugate gradient algorithm is adopted to reduce the system complexity without trading off the bit-error-rate (BER). Simulations are conducted to evaluate the convergence and tracking behavior of the proposed MMWF algorithm, and the BER of the time-hopping-UWB system in a realistic UWB channel is investigated. Copyright © 2011 John Wiley & Sons, Ltd.