QoS provisioning in wireless/mobile multimedia networks using an adaptive framework
作者： Taekyoung Kwon , Yanghee Choi , Chatschik Bisdikian , Mahmoud Naghshineh
关键词: Computer network 、 Wireless 、 Cellular network 、 Call Admission Control 、 Call blocking 、 Bandwidth (computing) 、 Quality of service 、 Computer science 、 Multimedia 、 Distributed computing 、 Adaptive quality of service multi-hop routing 、 Mobile QoS
摘要: Recently there is a growing interest in the adaptive multimedia networking where bandwidth of an ongoing call can be dynamically adjusted. In wireless/mobile networks using framework, existing QoS provisioning focused on blocking probability and forced termination should modified. We, therefore, redefine parameter -- cell overload from viewpoint networking. Then, we propose distributed admission control (CAC) algorithm that guarantees upper bound probability. Also, adaptation which seeks to minimize also presented. Simulation experiments are carried out verify performance proposed CAC algorithm. Furthermore, network compared non-adaptive networks. As further step provisioning, another parameter, degradation period ratio, discuss analytically how ratio.
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