Radio link enhancement using an open flexible protocol stack framework: Research Articles
Wireless Communications & Mobile Computing - Radio Link and Transport Protocol Engineering for Future-Generation Wireless Mobile Data Networks
Advances in network-supported media delivery in next-generation mobile systems
IEEE Communications Magazine
Unified Link Layer API: A generic and open API to manage wireless media access
Computer Communications
Connectivity based cognitive wireless network for disaster information network
Proceedings of the 7th International Conference on Advances in Mobile Computing and Multimedia
International Journal of Network Management
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This paper examines how multimedia streaming scenarios can be enhanced by cross-layer interaction, and in particular link performance information and configuration options provided by the recently developed Unified Link Layer API (ULLA). It provides results of an experimental implementation developed for this purpose in a wireless LAN (WLAN) environment. Multimedia streaming is an application that is gaining in popularity for mobile devices and in particular mobile Internet-based content broadcasting is rapidly emerging as a key feature on mobile devices. In these scenarios, the wireless link (last hop) is normally the performance bottleneck due to the dynamic and limited capacity of the wireless medium. The use of ULLA in this context can provide the ability to tailor the video transmission to the wireless link performance and also to configure the links in response to performance problems or environmental changes. For this purpose the focus of multimedia streaming has been on WLAN link technology and dynamic adaptation (i.e., dynamic channel selection and video transcoding) using a dynamic resource reservation overlay protocol.