Paper Info
Title
Transmit Diversity and Relay Selection Algorithms for Multirelay Cooperative MIMO Systems
Abstract
In this paper, we propose a set of joint transmit diversity selection (TDS) and relay selection (RS) algorithms based on discrete iterative stochastic optimization for the uplink of cooperative multiple-input-multiple-output (MIMO) systems. Decode-and-forward (DF) and amplify-and-forward (AF) multirelay systems with linear minimum mean square error (MSE), successive interference cancelation, and adaptive reception are considered. The problems of TDS and RS are expressed as MSE and mutual information (MI) joint discrete optimization problems and solved using iterative discrete stochastic algorithms. Such an approach circumvents the need for exhaustive searching and results in a range of procedures with low complexity and increased speed of convergence that can track the optimal selection over an estimated channel. The proposed schemes are analyzed in terms of their complexity, convergence, and diversity benefits and are shown to be both stable and computationally efficient. Their performance is then evaluated via MSE, MI, and bit error rate comparisons and shown to outperform conventional cooperative transmission and, in the majority of scenarios, match that of the optimal exhaustive solution.
Year
DOI
Venue
2012
10.1109/TVT.2012.2186619
Vehicular Technology, IEEE Transactions
Keywords
Field
DocType
MIMO communication,amplify and forward communication,cooperative communication,decode and forward communication,diversity reception,error statistics,interference suppression,iterative methods,least mean squares methods,optimisation,adaptive reception,amplify-and-forward multirelay systems,bit error rate,decode-and-forward multirelay systems,discrete iterative stochastic optimization,discrete optimization problems,iterative discrete stochastic algorithms,linear minimum mean square error,multirelay cooperative MIMO systems,mutual information,relay selection,successive interference cancelation,transmit diversity selection,Cooperative systems,discrete stochastic optimization,minimum mean square error (MMSE) receivers,multiple-input–multiple-output (MIMO) relaying,relay selection (RS),transmit diversity (TD)
Stochastic optimization,Mathematical optimization,Computer science,Iterative method,Minimum mean square error,Algorithm,MIMO,Electronic engineering,Cooperative MIMO,Transmit diversity,Telecommunications link,Bit error rate
Journal
Volume
Issue
ISSN
61
3
0018-9545
Citations 
PageRank 
References 
50
1.20
31
Authors
2
Name
Order
Citations
PageRank
Patrick Clarke1501.20
de Lamare, R.C.265233.42