Patent ID: 7522547
Filing Date: 2009-04-21
Classification: H04L

Abstract:
1. A method for transmitting a flooding ad hoc traffic indication message (FATIM) in a power save mode having a beacon interval that is divided into an ad hoc traffic indication message (ATIM) window and a next data transmission window, in a mobile ad hoc network (MANET) including a plurality of nodes, comprising the steps of: when a first node of the plurality of nodes has data to be forwarded to different nodes, forwarding, by the first node, a FATIM frame indicating that a network broadcast message will be sent to other nodes neighboring the first node during the ATIM window; and determining whether a current ATIM window has expired by a second node, and if the ATIM window has not expired, forwarding, by the second node, the received FATIM frame from the first node to other nodes neighboring the second node for indicating that a network broadcast message will be sent to the other nodes neighboring the second node.