[PDF] Top 20 Genetic algorithm assisted Joint multiuser symbol detection and fading channel estimation for synchronous CDMA systems

... The crossover operation is then repeated for different parents selected with equal probability from the mating pool in order to produce offspring out of which will become potential parents and in turn will produce ... See full document

... “Genetic algorithm assisted joint multiuser symbol detection and fading channel estimation for synchronous CDMA systems:’ IEEE Joumal on Selected Areas in Communicarions.. Hanzo, “Geneti[r] ... See full document

... In this contribution, TCM, TTCM, BICM and BICM-ID as- sisted GA-based MUD schemes were proposed and evaluated in performance terms when communicating over the AWGN and narrowband Rayleigh fading channels ... See full document

... a synchronous DS-CDMA system communicat- ing over an Additive White Gaussian Noise (AWGN) chan- ...GA assisted MUD scheme as a suboptimal MUD technique applicable to asynchronous MC-CDMA sys- ... See full document

... study joint performance of the chan- nel estimator and multiuser receivers for long-code uplink CDMA ...The channel estimator considered in our analysis is based on [21], which extends [10] to ... See full document

... The channel model will be time invariant or gradually time shifting in a framework with short ...the channel model will change unexpectedly from image to image, when the multipath channel is time ... See full document

... single-user systems [13, 14], and then for multiuser systems [15, ...adaptive multiuser detectors for short-code DS/CDMA systems with transceivers equipped with multiple ...the ... See full document

... for symbol-synchronous transmis- sions and further developed it for asynchronous transmissions in a Gaussian channel ...optimum multiuser detector. A further sub-optimum multiuser ... See full document

... new Genetic Algorithm (GA) assisted iterative Joint Channel Esti- mation and multi-user detection (GA-JCEMUD) approach for multi-user MIMO SDMA-OFDM systems, which ... See full document

... direct-sequence CDMA (DS-CDMA) system, every bit of each user is interfered by two bits of every other user in the system, which are overlapping with the bit of interest, assuming an identical ... See full document

... require Channel State Information (CSI) knowledge and is characterized by a moderate computational ...the multiuser receiver of [13] is quite far from optimality, in particular when the number of users ... See full document

... In this section, computer simulations are presented based on evaluating the BER performance of the GA-based multiuser de- tector employing the above two GA-based individual-selection strategies highlighted in the ... See full document

... communication systems, its synchronization in multipath fading channels remains an important and challenging ...synchronization algorithm that exploits channel length information for use in ... See full document

... DS/CDMA systems based on short spreading codes, where a specific spreading code is selected for a particular user and then repeated for each data symbol of that user, the MAI is clearly ... See full document

... of multiuser detectors under channel mismatch conditions, we model a flat fading channel as the second order AR process, and explore the use of Kalman filtering for channel ... See full document

... the decision-directed algorithm uses a deterministic ap- proach, while PFD and SMD adopt a soft measure which is based on probability. What is more, each trajectory is also as- sociated with a weight which ... See full document

... The performance of burst-by-burst adaptive modulation is studied in conjunction with reduced complexity turbo equal- ization over a wideband multi-path Rayleigh fading chan- nel. By employing the reduced ... See full document

... directed channel estimator and the PSA channel estimator estimate the channel parameters using known symbols in the form of training and pilot symbols, there is a major differ- ence between the two ... See full document

... communication systems operating over Rayleigh flat-fading channels is ...ICA multiuser detector is shown to be robust without training sequences and with only knowledge of the signature ...Rayleigh ... See full document

... In this article, we propose a novel method that utilizes cross entropy (CE) optimization together with the ana- lytical pilot power optimization to design pilot symbols for NC-OFDM to lower the MSE of the LS ... See full document