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This paper evaluates the QoS performance of transporting voice using WiMAX MBS (multicast/broadcast service). Our results demonstrate that the proposed MBS architecture can address several design issues arising from the mobility of the relay stations and the mobile stations. The service architecture is feasible for voice transport in the WiMAX multi-hop network.
Multi-media voice service will became one of main BcN services in near future. Operator's QoS policy, function of interworking gateway and BcN exchange point, specification, architecture, and detail service scenario for QoS assurance of multi-media voice service among BcN operators are suggested, along with class of service for QoS and specifications. Especially, service scenarios are classified with...
Voice over Wireless LAN (VoWLAN) is becoming more and more helpful in our life and is expected to be among the most important applications in next generation networks. However, the maximum number of VoIP sessions that a WLAN can ensure is very small. Moreover, when the WLAN reaches its capacity the addition of one VoIP session affects the QoS parameters of all VoIP sessions. In this paper, we propose...
Digital signal processors (DSPs) are very efficient devices to implement algorithms for signal processing and analyzing. Endowing sensorial nodes from a sensor network with such processing cores it could lead to high performance because of the possibility of parallel and distribute processing and thus reducing the quantity of information spread into the network (network load). If such a node uses...
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