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An Efficient Capacity Allocation Scheme of Periodic Polling Services for a Multimedia Traffic in an IEEE802.16 System

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4 Author(s)
Jun-Bae Seo ; Sch. of Inf. Technol. & Eng., Ottawa Univ., Ont. ; Se-Jin Kim ; Hyong-Woo Lee ; Choong-Ho Cho

In this paper, we consider a capacity allocation scheme of periodic polling services for a multimedia traffic in an IEEE 802.16 system. In the scheme of our interest, a base station assigns a subscriber station contiguous M uplink subframes for uplink traffic transmission and v vacation frames for saving power and opportunities for other subscriber stations. Among M uplink subframes, the subscriber station returns its remaining frames, when its queue is empty. The returned bandwidth will then be allocated to other subscriber stations. We carry out an analysis on this queueing system, by using a generating function approach. The performance of the proposed capacity allocation scheme is presented in terms of the first moment of queue length, the mean vacation and transmission period. We also compare its performance with that of a deterministic capacity allocation scheme, in which allocated bandwidth would not be returned

Published in:

Mobile Adhoc and Sensor Systems (MASS), 2006 IEEE International Conference on

Date of Conference:

Oct. 2006