Radio Resource Management

Katerina Papadaki () and Vasilis Friderikos ()
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Katerina Papadaki: London School of Economics
Vasilis Friderikos: King’s College London

Chapter Chapter 7 in Handbook on Modelling for Discrete Optimization, 2006, pp 195-225 from Springer

Abstract: Abstract Over the last few years wireless communications have experienced an unprecedented growth providing ubiquitous services irrespective of users’ location and mobility patterns. This chapter reviews different resource management strategies for wireless cellular networks that employ Code Division Multiple Access (CDMA). The main aim of the formulated optimization problems is to provide efficient utilization of the scarce radio resources, namely power and transmission rate. Due to the fact that practical systems allow discrete rate transmissions, the corresponding optimization problems are discrete in their domains. Additionally, these optimizations problems are also non-linear in their nature. We focus on power minimization and throughput maximization formulations both for single time period and multiple period models. We provide a new method for solving resource management problems in CDMA networks, formulated as dynamic programming problems. A linear approximate dynamic programming algorithm is implemented that estimates the optimal resource allocation policies in real time. The algorithm is compared with baseline heuristics and it is shown that it provides a significant improvement in utilizing the radio network resources.

Keywords: wireless cellular systems; radio resource management; power and rate control; approximate dynamic programming (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1007/0-387-32942-0_7

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