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—With fast deployment of wireless local area networks (WLANs), the ability of WLAN to support real time services with stringent quality of service (QoS) requirements has come into fore. In this paper, we evaluate the capability of QoS support in Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard, which is the medium access(More)
Devices in mobile ad hoc networks depend on the cooperation of other nodes for relaying of packets in the network. Medium Access Control protocols such as IEEE 802.11 are efficient with upper layer protocols only if the nodes adhere to the protocol and cooperate. Non-cooperating nodes may delay forwarding of frames or drop the frames altogether. This might(More)
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