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Modern cellular networks are expected to support both voice and a growing volume of data traffic. The rapid growth in data traffic has promoted network operators to move to Long Term Evolution (LTE), a 4th generation of wireless network infrastructure. However, LTE architecture does not support native circuit switching services and relies on the IP Multimedia Subsystem (IMS) for supporting voice and...
The Third Generation Partnership Project(3GPP) forum [1] has specified IMS (Internet Protocol Multimedia Subsystem) which provides resource, admission and charging control [2] for multimedia services. The OMA (The Open Mobile Alliance) forum [3] has specified BCAST (Mobile Broadcast Services) [4] which is network agnostic service enabler for mobile broadcast service. Up to now, IMS and BCAST are separated...
This paper proposes a new mechanism, multi-connection from heterogeneous networks in IP multimedia subsystem (IMS). With the appearance of IMS, multimedia service has become an important service, which needs high bandwidth and low delay. But the network, which can match these features simultaneously, doesn't exist. In order to provide robust, high-quality services in IMS, we utilize the character...
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