Nodes (103a-d, 105, 107, 109a-c, 111a-c) in an ad hoc communication network are coordinated. The network includes the node (111b) and one or more neighbor nodes (103a-d, 105, 107, 109a-c, 111a,c). The node (111b) can sleep in a low duty cycle. Further, the node (111b) can awaken, responsive to a schedule; and register with a cluster head (101); listen for one or more neighbors, wherein the at least one neighbor can be active (103a-d, 105, 107) or idle (109a-c, 111a,c); and/or listen for one or more requests from the cluster head (101) or active neighbor(s) (103a-d, 105, 107). Responsive to the request(s), the idle node (111b) can become active on a communication link.
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机译：节点（ 103 a - d， 105、107、109 a -<在ad hoc通信网络中协调I> c， 111 a - c ）。该网络包括节点（ 111 b ）和一个或多个邻居节点（ 103 a - d， 105，107，109 a - c， 111 a，c ）。节点（ 111 b ）可以以低占空比休眠。此外，节点（ 111 b ）可以响应计划而唤醒;并向簇头（ 101 ）注册;侦听一个或多个邻居，其中至少一个邻居可以处于活动状态（ 103 a - d， 105、107 < / B>）或闲置的（ 109 a - c， 111 a，c ）;和/或侦听来自群集头（ 101 ）或活动邻居（ 103 a - d， 105，107 ）。响应请求，空闲节点（ 111 b ）可以在通信链路上变为活动状态。
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