Cross-layer system designs for scalable video streaming over mobile WiMAX

To provide better QoS of scalable streaming services in mobile WiMAX systems, this paper proposes a cross-layer design between the streaming server and mobile WiMAX base station. We will show that the implementation of multiple connections with feedback information of the available transmission bandwidth is critical for supporting scalable video streaming in which the transmission packets can be further separated into multiple levels of importance. To quantify the performance, a mobile WiMAX simulation platform including both the video encoder/decoder server and IEEE 802.16e MAC controls is developed.