Mobility

Proactive Transmission-Based QoS Provisioning for Multicast and Broadcast Services in Mobile WiMAX Systems

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Executive Summary

Mobile WiMAX systems have gained much attention for high transmission rates in cellular environments. One of the promising applications that can leverage high bit rates is Multicast and Broadcast Services (MBSs). Although the expectation of IP-based multimedia streaming services in mobile environments is rising, QoS provisioning for those delays sensitive services is still challenging since mobility should be supported without intolerable delay. In this paper, the authors propose to transmit the streaming packets of MBSs proactively and probabilistically, so that the average handover delay perceived by a user is stochastically guaranteed.

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