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Streaming multimedia on wireless networks can have high bandwidth requirements, with real-time streaming having stringent delay requirements to be met. Multiple effects including time-varying channel conditions, local or remote congestion conditions, and end-to-end QoS requirements must be matched with an adaptive application capable of offsetting the limitations of the network by managing reliability, latency, and throughput degradations, while hiding the user from the underlying complexity, degraded QoS, and mobility issues in a wireless environment. This paper presents system solutions with network-aware processing agents embedded in WLAN drivers that interact with application-layer software to enable real-time adaptation. Real-time channel statistics monitoring is suggested to monitor link conditions in the network, to enable dynamic multimedia source bandwidth adaptation.
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