Particle swarm and quantum particle swarm optimization applied to ds/cdma multiuser detection in flat rayleigh channels

LD De Oliveira, F Ciriaco, T Abrao… - 2006 IEEE Ninth …, 2006 - ieeexplore.ieee.org
The particle swarm and quantum particle swarm optimization (PSO and QPSO) techniques
applied to Direct Sequence/Code Division Multiple Access systems (DS/CDMA) with …

Ant colony input parameters optimization for multiuser detection in DS/CDMA systems

JC Marinello Filho, RN De Souza, T Abrão - Expert Systems with …, 2012 - Elsevier
In this work a simple and efficient methodology for tuning the input parameters applied to the
ant colony optimization multiuser detection (ACO-MuD) in direct sequence code division …

Optimal multiuser detection with artificial fish swarm algorithm

M Jiang, Y Wang, S Pfletschinger, MA Lagunas… - … Computing Theories and …, 2007 - Springer
The optimal multiuser detection for communication systems can be characterized as an NP-
hard optimization problem. In this paper, as a new heuristic intelligent optimization …

Local search multiuser detection

LD Oliveira, F Ciriaco, T Abrão… - AEU-International Journal …, 2009 - Elsevier
In this work, a wide analysis of local search multiuser detection (LS-MUD) for direct
sequence/code division multiple access (DS/CDMA) systems under multipath channels is …

S/mimo mc-cdma heuristic multiuser detectors based on single-objective optimization

T Abrao, LD de Oliveira, F Ciriaco, BA Angélico… - Wireless personal …, 2010 - Springer
This paper analyzes the complexity-performance trade-off of several heuristic near-optimum
multiuser detection (MuD) approaches applied to the uplink of synchronous single/multiple …

[PDF][PDF] Multiuser detection: Comparative analysis of heuristic approach

M Sohail, S Alam, A Hussain, SA Ghauri… - Int J Adv Appl …, 2017 - researchgate.net
Multiple users simultaneously accessing the resource give rise to interference. In such a
scenario maximum likelihood multiple user detector is optimum but at the cost of increased …

Multiple access network optimization aspects via swarm search algorithms

T Abrão, LD Sampaio, M Proença Jr… - Search Algorithms …, 2011 - books.google.com
In the current telecommunication scenario, companies must deal with spectrum scarcity,
power consumption issues, increasing throughput demand, and quality of service (QoS) …

Particle swarm optimization assisted multiuser detector for m-qam ds/cdma systems

LD Oliveira, T Abrao, PJE Jeszensky… - 2008 IEEE Swarm …, 2008 - ieeexplore.ieee.org
This paper analyzes the particle swarm optimization multiuser detector (PSO-MUD) under
high-order modulation schemes,(particularly for M-QAM), in DS/CDMA systems single-input …

Multiuser detection based on wavelet packet modulation and artificial fish swarm algorithm

M Jiang, C Li, D Yuan, MA Lagunas - 2007 - IET
A new system scheme of the multiuser detection (MUD) is proposed, the wavelet packet
transform as a kind of multi-carrier modulation system is employed for the first stage MUD …

Multiuser detection based on adaptive LMS and modified genetic algorithm in DS-CDMA communication systems

A Zahedi, H Bakhshi - Wireless personal communications, 2013 - Springer
In this paper, we present an efficient evolutionary algorithm for the multi-user detection
(MUD) problem in direct sequence-code division multiple access (DS-CDMA) …