Integrated voice/data call admission control for wireless DS-CDMA systems

TitleIntegrated voice/data call admission control for wireless DS-CDMA systems
Publication TypeJournal Article
Year of Publication2002
AuthorsSingh, S., V. Krishnamurthy, and H. V. Poor
JournalSignal Processing, IEEE Transactions on
Pagination1483 -1495
Date Publishedjun.
Keywordsbase station, blocking probabilities, cellular radio, code division multiple access, direct sequence spread spectrum, DS-SS, fading channels, integrated voice/data call admission control, integrated voice/data communication, linear multiuser detectors, linear programming, linear programming-based algorithm, Markov processes, multiservice wireless cellular systems, multiuser channels, optimal call admission policy, physical layer channel, probability, radio receivers, radiofrequency interference, random matrices, random processes, receiver structure, semi-Markov decision process, signal detection, signal-to-interference ratio, SIR constraints, spread spectrum communication, telecommunication congestion control, wireless DS-CDMA systems

This paper addresses the call admission control problem for multiservice wireless code division multiple access (CDMA) cellular systems when the physical layer channel and receiver structure at the base station are taken into account. The call admission problem is formulated as a semi-Markov decision process with constraints on the blocking probabilities and signal-to-interference ratio (SIR). By using previous results in large random matrices, the SIR constraints incorporate linear multiuser detectors and fading channels. We show that the optimal call admission policy can be computed via a linear programming-based algorithm


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