资源大小: 1.47MB
发布时间: 2012-04-09
文件格式: pdf
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资源简介:

a novel cross-layer framework for optimizingthe dynamic bandwidth allocation (DBA) of a digital videobroadcast (DVB)-return channel satellite (RCS) system usingadaptive coding is proposed. The design of the medium accesscontrol (MAC) methods taking into account the adaptive physicallayer and higher layers’ quality of service (QoS) requirementsis cast as an optimization problem by using the network utilitymaximization (NUM) framework applied within the satellitesubnetwork. Hierarchical and global


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