基于对等状态交换的无线网络介质访问控制
Medium Access Control for Wireless Networks with Peer-to-Peer State Exchange
摘要:
分布式介质访问控制(MAC)协议被提出用于无线网络,假设一跳节点可以周期性地交换少量的状态信息。每个站维护一个状态,并根据其状态和从其单跳对等点收集的最近状态信息进行状态转换和传输决策。一个站点可以根据其附近的业务量来调整其分组长度和状态空间的大小。结果表明,这些协议收敛到一个稳定的状态,其中站轮流在每个邻居无冲突地发送。换句话说,只要网络的拓扑相对于协议的执行保持静态或缓慢变化,就以分布式方式形成类似时分多址(TDMA)的高效调度。
英文摘要:
Distributed medium access control (MAC) protocols are proposed for wireless networks assuming that one-hop peers can periodically exchange a small amount of state information. Each station maintains a state and makes state transitions and transmission decisions based on its state and recent state information collected from its one-hop peers. A station can adapt its packet length and the size of its state space to the amount of traffic in its neighborhood. It is shown that these protocols converge to a steady state, where stations take turns to transmit in each neighborhood without collision. In other words, an efficient time-division multiple access (TDMA) like schedule is formed in a distributed manner, as long as the topology of the network remains static or changes slowly with respect to the execution of the protocol.
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