Patent ID: 7512105
Filing Date: 2009-03-31
Classification: H04L,H04W

Abstract:
1. A routing method in an ad hoc network formed by a plurality of mobile terminals, comprising: receiving, at a mobile terminal forming part of the ad hoc network, a packet from an adjacent terminal; determining, at the mobile terminal, whether the received packet is a packet relayed from the adjacent terminal or a packet generated by the adjacent terminal based on an identifier of a source terminal included in the received packet; determining, at the mobile terminal, whether or not to relay the received packet to another adjacent terminal, based on presence or absence of a record of packet relaying by the adjacent terminal when the received packet is the packet generated by the adjacent terminal; and relaying, at the mobile terminal, the received packet to the other adjacent terminal without determining whether or not to relay the received packet based on the presence or absence of a record of packet relaying by the adjacent terminal, when the received packet is the packet relayed by the adjacent terminal, wherein, in determining whether or not to relay the received packet generated by the adjacent terminal, determining to relay the received packet when the record is present, and not to relay the received packet when the record is absent.