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A novel packet scheduling in an enhanced joint CDMA/NC-PRMA protocol for wireless multimedia communications

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4 Author(s)
Suwon Lee ; Dept. of Info. & Comm., Kwangju Inst. of Sci. & Technol., South Korea ; Ahmad, A. ; Kiseon Kim ; Haas, Z.J.

In this paper, we propose a novel packet scheduling scheme for wireless cellular multimedia networks, which addresses some of the disadvantages of previously proposed protocols, such as the joint CDMA/NC-PRMA scheme. Specifically, our scheme is based on an improved power grouping algorithm to reduce the unnecessary interference in the presence of imperfect power control. Other attributes of our scheme include the partition of the different traffic types into separate slots, as to provide independent control of each traffic type and a new scheduling algorithm for data traffic, as to provide differentiated service and maximize link utilization. We have evaluated our scheme through simulation and we report on the results in this paper. In particular, our results show the improvement in the performance of the system, such as the probability of packet loss, as compared with the joint CDMA/NC-PRMA scheme.

Published in:

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th  (Volume:5 )

Date of Conference:

6-9 Oct. 2003