This paper presents a framework, which provides QoS (Quality of Service) support, for multimedia delivery over wireless Internet with cross-layer architecture. In this framework, we address the important issues for multiple media, such as audio, video, email, and web traffic, transmitted over wireless Internet. In order to have efficient QoS support for different types of media, we propose a cross-layer architecture combining the application-level, transport-layer, and link-layer controls. Specifically, dynamical estimation of the varying channel, adaptive application and link-level error control, efficient congestion control, header compression, adaptive scheduling, as well as the QoS-adaptive proxy caching are explicitly discussed in this architecture. 1
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