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Integrated call admission control and packet scheduling for multimedia direct sequence code division multiple access (DS-CDMA) wireless networks

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2 Author(s)
Yinggan Huang ; Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada ; A. O. Fapejuwo

In this paper, we propose an integrated call admission control (CAC) and packet scheduling scheme for multimedia direct sequence code division multiple access (DS-CDMA) wireless networks. The proposed scheme fully utilizes the non-real-time characteristics of packet data to achieve quality-of-service (QoS) support in DS-CDMA wireless networks. Control of traffic flow is done at both the call and packet levels. The admission control restricts the number of calls in the system such that all traffic can meet their QoS requirements. Packet scheduling balances the flows of real time calls and non-real time calls to reduce the system interference. We evaluate the performance of the proposed scheme using Markov analysis and queuing theory. The analytic results are validated by simulation results. The numerical results show that the proposed scheme provides better performance than those of previous work.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:4 )

Date of Conference:

26-29 Sept. 2004