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With the advent of LED lights as well as lighting systems that have communication capabilities, new lighting setups and scenarios have become possible. New standards of the ZigBee Cluster Library (ZCL) in lighting systems describe the protocols for controlling and monitoring devices in such systems. In this paper we examine the problem of bridging this ZigBee domain to the IP domain such as allowing...
This paper addresses forming and management of a virtual community (VC) in the IP multimedia subsystem (IMS) network. A VC provides scope for mobile peer-to-peer (P2P) service sharing among end users and allows them control of sharing. The paper describes a number of services that enable forming and management of virtual communities and presents several service-oriented system architecture alternatives...
The emerging converged IP multimedia subsystem (IMS) allows the use of unlicensed, nondedicated and nondeterministic computer access networks for delivering IP multimedia services. To provide end-to-end quality-of-service (QoS) over such networks combined with the IMS core network, for resource demanding real-time services, such as live multimedia services, is a serious challenge. The main problem...
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