A Probabilistic Priority Adaptive Time-Threshold-Based Scheme for Cellular Multimedia Networks
This paper proposes a dynamic Probabilistic Priority Adaptive Time-Threshold-based bandwidth allocation Scheme for Multimedia services (PPATTSM) in cellular networks. Because future data service will occupy a large portion of all services in next generation mobile networks and forced termination of an ongoing call is clearly less desirable than blocking of a new call attempt, there is much significance in improving non-prioritized handoff data call dropping probability of Adaptive Time-Threshold-based bandwidth allocation Scheme for Multimedia services (ATTSM) further. The proposed scheme modifies priority definition and bandwidth allocation of original ATTSM and then, designs a dynamic probabilistic priority policy for QoS guarantee of voice service. Simulation results show that the proposed scheme enormously improves performance of non-prioritized handoff data dropping probability at the cost of slightly increasing new voice call blocking probability that may tolerate uncritical while keeping high total bandwidth utilization compared with ATTSM.
handoff cellular networks multimedia services dynamic channel reservation
Jialin Cai
Dept.of Communication Engineering East China Normal University Shanghai 200241,P.R.China
国际会议
The 2nd IEEE International Conference on Advanced Computer Control(第二届先进计算机控制国际会议 ICACC 2010)
沈阳
英文
267-272
2010-03-27（万方平台首次上网日期，不代表论文的发表时间）