Patent ID: 9294984
Filing Date: 2016-03-22
CPC Classification: H04W

Claim Text:
1. A communication apparatus that is installed in a mobile unit, comprising: a positional information acquisition unit configured to acquire positional information that indicates a current position of said communication apparatus and traveling direction information that indicates a traveling direction of said mobile unit; a reception unit configured to receive, from a transmission origin device of packets, packets that contain forwarding information that indicates a position of said transmission origin device and a position of a transmission destination for specifying the transmission destination of the packets; an information processing unit configured to, based on said positional information and said forwarding information, judge whether said current position is contained within an area from the position of said transmission origin device up to the position of said transmission destination, and configured to, when said current position is determined to not be contained within said area, prevent forwarding of said; packets, and configured to, when it has been determined by said judgment unit that said current position is contained within said area, extract, as a corrected position, a position specified based on said traveling direction among positions on a circle that is separated from said current position by a remaining distance between the position of said transmission destination and said current position; and a transmission unit configured to change position of said transmission destination indicated by the forwarding information of said packets to said corrected position, and configured to change the position of said transmission origin device indicated by said forwarding information to said current position, and configured to transmit packets that contain the forwarding information that follows said changes.