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Start-to-finish reservations in distributed MAC protocols for wireless LANs
Start-to-finish reservations in distributed MAC protocols for wireless LANs
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机译:无线LAN的分布式MAC协议中的从头到尾的保留
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摘要
A method, apparatus and computer program product for providing start-to-finish reservations in distributed MAC protocols for wireless LANs. Each node maintains a corresponding time period (NAV) during which the node must refrain from transmitting on a channel of a plurality of traffic channels. Each NAV is set by detecting a reservation request (RRQ) or a reservation response (RRS), each corresponding NAV comprising the larger of a RRQ NAV value and a RRS NAV value. Each node declines to reserve a traffic channel while the NAV is non-zero, and declines to transmit on a channel when the node detects the occurrence of a transmission on the channel or that the NAV is non-zero. The RRQ NAV is reset while a corresponding RRS NAV is decremented when a reservation is cancelled, and the RRS NAV is reset while a corresponding RRQ NAV is decremented when the reservation time period expires.
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