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New emerging technologies like Multimedia applications require timely delivery of information as compared to reliability. The most widely used protocols over transport layer are Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Both of these have some drawbacks while using in real time applications. TCP increases delay in transfer of data but achieving reliable transfer of data...
Nowadays WiMax is becoming one of the main standards for the next generation wireless transmission systems. It provides QoS mechanism, but it needs performance optimization and evaluation and it is very difficult to make coverage prediction. This paper is about QoS estimation methods and measurements over WiMax networks. It presents first performance measurements about achievable rates for data or...
This paper proposes a fast forward medium access control protocol (FFMAC) for quality-of-service (QoS) guarantee in multihop IEEE 802.11s wireless mesh networks with multiple channels. To the best of our knowledge, the proposed protocol is the first one which considers the multihop and multichannel issues simultaneously. It provides higher priority for real-time applications, while remaining the distributed...
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