Channel Allocation For Smooth Video Delivery Over Cognitive Radio Networks
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Channel Allocation for Smooth Video Delivery Over Cognitive Radio Networks
Author | : Sanying Li |
Publisher | : |
Total Pages | : 55 |
Release | : 2010 |
Genre | : |
ISBN | : |
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Video applications normally demand stringent quality-of-service (QoS) for the high quality and smooth video playback at the receiver. Since the network is usually shared by multiple applications with diverse QoS requirements, QoS provisioning is an important and difficult task for the efficient and smooth video delivery. In the context of cognitive radio (CR) networks, as the secondary or unlicensed users share a pool of bandwidth that is temporarily being unused by the primary or licensed users, there is an inevitable interference between the licensed primary users and the unlicensed CR devices. As a result, efficient and smooth video delivery becomes even more challenging as the channel spectrum is not only a precious resource, but also much more dynamic and intermittently available to secondary users. In this thesis, we focus on the provision of guaranteed QoS to video streaming subscribers in CR network.
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