ad-hoc网络的无冲突介质访问控制方案

MILCOM 1999. IEEE Military Communications. Conference Proceedings (Cat. No.99CH36341) Pub Date : 1999-10-31 DOI:10.1109/MILCOM.1999.822687

Z. Haas, Jing Deng, S. Tabrizi

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引用次数: 37

摘要

针对分散式多跳网络，设计了双忙音多址(DBTMA)方案。在DBTMA中，RTS/CTS对话框用于保留通道。另外，采用两个忙音来消除RTS/CTS控制包和数据包传输之间的冲突。数据包冲突会严重降低MAC协议的通道利用率，因为数据包比控制数据包长得多。由于DBTMA完全避免了数据包冲突，因此其性能优于其他提出的协议。分析了数据包碰撞的可能情况，证明了它是无碰撞的。

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Collision-free medium access control scheme for ad-hoc networks

The dual busy tone multiple access (DBTMA) scheme was designed for decentralized multi-hop networks. In DBTMA, the RTS/CTS dialogue is used to reserve the channel. In addition, two busy tones are employed to eliminate collisions between the RTS/CTS control packets and data packet transmissions. Data packet collisions can seriously decrease channel utilization for a MAC protocol, as data packets are much longer than control packets. Since DBTMA completely avoids data packet collisions, its performances are superior to other proposed protocols. We analyze the possible cases of data packet collision and prove that it is collision-free.

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MILCOM 1999. IEEE Military Communications. Conference Proceedings (Cat. No.99CH36341)

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