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The distributed queuing MAC protocol for cooperative networks (DQCOOP) is presented in this paper as an innovative MAC protocol designed to coordinate the relay retransmissions in a cooperative automatic retransmission request (C-ARQ) scheme for wireless networks. The distributed cooperative ARQ scheme when the DQCOOP is applied at layer two is compared to an ideal non-cooperative ARQ scheme. Computer...
The IEEE 802.11 standard allows for the use of a single-channel available at the physical layer to all users. A single-channel MAC protocol does not work well in Wireless Mesh Network, since users cannot transmit simultaneously. The developing 802.11s standard proposes multi-channel proposal. The protocol requires only one transceiver per host. Each host listens to the common channel to determine...
This article briefly describes the WiMedia standard - the architecture, the technologies deployed in the standard, the applications enabled by it - and compares WiMedia to existing wireless local area network (WLAN) and wireless personal area network (WPAN) standards.
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