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IEEE 802.16e standard specifies a system for combined fixed and mobile broadband wireless access. The voice-over-Internet protocol (VoIP) is an important application in IEEE 802.16e system. The algorithm proposed allocates the extra-bandwidth according to the flow's priority, the lagging flow is compensated according to the service it has lost, and the leading flow relinquish bandwidth proportional...
Wireless mesh networks have promised to provide high-speed access for residential or mobile customers. And concurrent transmission is an effective way to enhance system throughput in wireless mesh networks. The objective of this paper is to provide an effective concurrent transmission method to enlarge throughput with specific QoS fairness guarantee in wireless mesh networks. Firstly, link relationship...
In IEEE802.16e, handover means that an MS (mobile subscriber migrates from the network served by one BS (base station) to the network served by another BS. Scheduling services represent the data handling mechanisms determined by a set of QoS parameters that quantify the transmission. Taking five types of scheduling services into consideration, UGS (unsolicited granted scheduling), rtPS (real-time...
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