RAN selection for converged networks supporting IMS signalling and MBMS service
SourceIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'07
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Future Communication Networks are envisioned to be based upon a common, flexible and scalable convergence platform, where different access networks, different terminals and different services can coexist. The new user capabilities spawn a demand for Always Best Connectivity (ABC), i.e. that a user can always have the best possible connection regardless of place and time. This brings forth a new communication paradigm, which is user-centric, i.e. the user is no longer bound to only one access network but can choose the best available access network to satisfy a specific service request. The IP Multimedia Subsystem (IMS) is the technology promoted to enable this ubiquitous converged network. This paper considers the selection of access network, specifically for multicast/broadcast users and proposes a novel RAN selection scheme implemented using IMS signalling. © 2007 IEEE.