energy-efficient routing method for power-controlled multihop wireless networks

摘要

The present invention relates to a routing path establishment method having a limited delay and minimizing power consumption in a multi-hop wireless network capable of power control.;The routing path setting method in a multi-hop wireless network according to the present invention is a routing path setting method between a source wireless terminal and a destination wireless terminal in a multi-hop wireless network including a plurality of wireless terminals, which is broadcasted from the source wireless terminal. Any wireless terminal that has received a routing request message comprises: a first step of comparing a destination IP address of the routing request message with an IP address of the wireless terminal; If the two IP addresses are different in the first step, the wireless terminal receiving the routing request message operates as an intermediate wireless terminal, and stores information about the wireless terminal transmitting the routing request message and the routing request message. And updating contents of the routing request message and broadcasting the contents to the neighboring wireless terminals of the intermediate wireless terminal. If the two IP addresses are the same in the first step, the wireless terminal receiving the routing request message operates as a destination wireless terminal, and receives a routing request message broadcast from neighboring wireless terminals of the destination wireless terminal for a predetermined time. And selecting a path that satisfies the end-to-end delay condition among the received path setting request messages and minimizes power consumption, and transmits a path setting response message to the source wireless terminal through the selected path. It features.;Multi-hop, wireless network, power control, routing, rebroadcast, RREQ