Results 81 to 90 of about 2,797,595 (206)
—Subspace-based blind and group-blind space–time (ST) multiuser detection (MUD) is invoked for a smart-antenna-aided gen-eralized multicarrier direct-sequence code-division multiple-access (MC DS-CDMA) system communicating over a dispersive ST Rayleigh ...
Lie-liang Yang +5 more
core
Blind Multiuser Detection by Kurtosis Maximization for Asynchronous Multirate DS/CDMA Systems
Chi et al. proposed a fast kurtosis maximization algorithm (FKMA) for blind equalization/deconvolution of multiple-input multiple-output (MIMO) linear time-invariant systems.
Peng Chun-Hsien +2 more
doaj +1 more source
A Differential Weighted Accumulation Algorithm Using Variable Sliding Window
Focusing on inbound uplink signal acquisition of the short message communication service in BeiDou system, a differential weighted accumulation algorithm using variable sliding window (DWAVSW) is proposed for the fast acquisition of short burst signal in
Ping Tang, Xiangming Li, Shuai Wang
doaj +1 more source
Receiver multiuser diversity aided multi-stage minimum mean-square error detection for heavily loaded DS-CDMA and SDMA systems [PDF]
By investigating the conditions required for successive interference cancellation multiuser detectors (SIC-MUD) to achieve near-optimum BER performance, we propose and investigate a so-called receiver multiuser diversity aided multi-stage minimum mean ...
Yang, Lie-Liang, Lie-Liang Yang
core +1 more source
Genetic Algorithm Assisted Minimum Bit Error Rate Multiuser Detection in Multiple Antenna Aided OFDM
The family of minimum bit error rate (MBER) multiuser detectors (MUD) is capable of outperforming the classic minimum mean-squared-error (MMSE)MUDin term of the achievable bit-error rate (BER) owing to directly minimising the BER cost function.
Alias, M.Y. +7 more
core +2 more sources
Blind Chip-Rate Multiuser Equalisation
This paper addresses blind multiuser detection in a DS-CDMA downlink channel. The synchronous users are separated by re-establishing orthogonality of their spreading sequences in a common chip-rate equaliser.
S. Weiss, M. Hadef, Weiss, S., Hadef, M.
core +2 more sources
In this contribution, we study a reduced-complexity multiuser detection aided multicarrier direct-sequence code-division multiple-access (MC DS-CDMA) scheme, which employs both time (T)-domain and frequency (F)-domain spreading.
Wei, H., Yang, L-L., Hanzo, L.
core +1 more source
In an integrated radar-communication network, multiuser access techniques with minimal performance degradation and without range-Doppler ambiguities are required, especially in a dense user environment.
Bo Kong +5 more
doaj +1 more source
Adaptive Minimum-BER Linear Multiuser Detection for DS-CDMA Signals in Multipath Channels
The problem of constructing adaptive minimum bit error rate (MBER) linear multiuser detectors is considered for direct-sequence code division multiple access (DS-CDMA) signals transmitted through multipath channels.
Mulgrew, B. +3 more
core +1 more source
Ant-Colony Based Near-ML Space-Time Multiuser Detection for the STBC Assisted DS-CDMA Uplink
In this contribution, a novel Ant Colony Optimization (ACO) based Space-Time (ST) Multiuser Detection (MUD) algorithm was proposed in order to improve the Bit Error Ratio (BER) versus Signal-to-Noise Ratio (SNR) performance achieved by the Space-Time ...
Yang, Lie-Liang +5 more
core +1 more source

