Relay Beamforming Designs in Multi-User Wireless Relay Networks Based on Throughput Maximin Optimization

Beamforming design for multi-user wireless relay networks under the criterion of maximin information throughput is an important but also very hard optimization problem due to its nonconvex nature. The existing approach to reformulate the design as a matrix rank-one constrained optimization problem i...

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Vydáno v:	IEEE transactions on communications Ročník 61; číslo 5; s. 1739 - 1749
Hlavní autoři:	Rashid, U., Tuan, H. D., Nguyen, H. H.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.05.2013 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms amply-and-forward relaying Applied sciences Array signal processing Beamforming Complexity d.c. (difference of two convex functions) programming d.c. decomposition Detection, estimation, filtering, equalization, prediction Exact sciences and technology Information, signal and communications theory Linear programming Mathematical analysis Mathematical models maximin optimization Multi-user relay networks network throughput Optimization Relay Relay networks Relays Signal and communications theory Signal to noise ratio Signal, noise Studies Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Teletraffic Throughput Transmission and modulation (techniques and equipments) Vectors Performance evaluation Relay Relay network maximin optimization Wireless telecommunication Information rate Iterative method network throughput d.c. decomposition Beam forming Function decomposition d.c. (difference of two convex functions) programming Algorithm complexity Traffic control amply-and-forward relaying Convex function Multiple access Maximin problem Flow rate regulation Teletraffic Multi-user relay networks Global optimum Algorithm Information transmission Constrained optimization Upper bound Algorithm performance Optimal solution Wireless network Numerical simulation Objective function beamforming
ISSN:	0090-6778, 1558-0857
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