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

Author

Singh, Sumeetpal ; Krishnamurthy, Vikram ; Poor, H. Vincent

Author_Institution

Dept. of Electr. & Electron. Eng., Melbourne Univ., Parkville, Vic., Australia

Volume

50

Issue

6

fYear

2002

fDate

6/1/2002 12:00:00 AM

Firstpage

1483

Lastpage

1495

Abstract

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

Keywords

Markov processes; cellular radio; code division multiple access; fading channels; integrated voice/data communication; linear programming; multiuser channels; probability; radio receivers; radiofrequency interference; random processes; signal detection; spread spectrum communication; telecommunication congestion control; DS-SS; SIR constraints; base station; blocking probabilities; code division multiple access; direct sequence spread spectrum; fading channels; integrated voice/data call admission control; linear multiuser detectors; linear programming-based algorithm; multiservice wireless cellular systems; optimal call admission policy; physical layer channel; random matrices; receiver structure; semi-Markov decision process; signal-to-interference ratio; wireless DS-CDMA systems; Bandwidth; Base stations; Bit rate; Call admission control; Detectors; Fading; Multiaccess communication; Physical layer; Signal processing; Telecommunication computing;

fLanguage

English

Journal_Title

Signal Processing, IEEE Transactions on

Publisher

ieee

ISSN

1053-587X

Type

jour

DOI

10.1109/TSP.2002.1003071

Filename

1003071