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http://dx.doi.org/10.3745/KIPSTC.2002.9C.4.543

Dynamic slot allocation scheme for rt-VBR services in the wireless ATM networks  

Yang, Seong-Ryoung (거재대학 컴퓨터정보기술계열)
Lim, In-Taek (부산외국어대학교 컴퓨터·전자공학부)
Heo, Jeong-Seok (울산대학교 컴퓨터정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.9C, no.4, 2002 , pp. 543-550 More about this Journal
Abstract
This paper proposes the dynamic slot allocation method for real-time VBR (rt-VBR) services in wireless ATM networks. The proposed method is characterized by a contention-based mechanism of the reservation request, a contention-free polling scheme for transferring the dynamic parameters. The base station scheduler allocates a dynamic parameter minislot to the wireless terminal for transferring the residual lifetime and the number of requesting slots as the dynamic parameters. The scheduling algorithm uses a priority scheme based on the maximum cell transfer delay parameter. Based on the received dynamic parameters, the scheduler allocates the uplink slots to the wireless terminal with the most stringent delay requirement. The simulation results show that the proposed method guarantee the delay constraint of rt-VBR services along with its cell loss rate significantly reduced.
Keywords
MAC protocol; Wireless ATM; Slot Allocation Algorithm;
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