Cross-layer structure for guaranteeing QoS in WiMAX and QoS combination control method
A cross-layer, control plane technology, applied in the field of communication, can solve the problems of performance not meeting QoS requirements, high bit error rate, difficult to obtain QoS requirements, etc., to achieve the effect of clear function division and simple structure
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[0091] Below in conjunction with accompanying drawing, scheme and effect of the present invention are described in further detail:
[0092] refer to Figure 4, the present invention is a cross-layer design scheme based on the IEEE802.16 standard. The WiMAX basic data control plane includes a PHY layer, a MAC layer and a high layer, and is vertically divided into two sub-planes according to functions: QoS resource management sub-plane and data service flow delivery subplane. For the convenience of research, the present invention collectively refers to the protocol layers above the WiMAX MAC layer as high layers, which are mainly responsible for the generation of various applications and multimedia communication service flows, and ignore the security sublayers in the MAC layer that are not related to QoS guarantee. The QoS resource management sub-plane adopts the cross-layer idea to realize the joint management and control of the guarantee system QoS, and includes multiple QoS ...
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