Abstract
In this paper, we present a wireless video streaming system that securely and efficiently streams video to the heterogeneous clients within the home network, over time-varying communication links. We study the problem of secure and efficient video streaming over an IEEE 802.11e based wireless network and also address the issues concerning digital rights management (DRM). The importance of fine granularity scalability -moving picture experts group -4 (FGS-MPEG-4), a form of scalable video format, is discussed and its characteristics are exploited for efficient and secure video streaming. We have evaluated our proposed technique via NS2 based simulations and found that keeping the base layer encrypted and giving it a higher priority do not only fulfill the requirements of the DRM, but also help improve the overall quality of service (QoS). These findings are significant because they give the content providers a high level of security and also enhance the viewing experience of the mobile users.
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