Patent ID: 7433965
Filing Date: 2008-10-07
Classification: H04L,H04W

Abstract:
1. A packet transmission system comprising: a mobile node; a network that has a radio link with the mobile node, and transmits downlink packets to the mobile node; and a home agent that manages connection point information about the mobile node in the network, the network including a packet distributor that inputs a packet stream and divides packets from the packet stream to be transmitted to the mobile node, and a packet parallel transmitter that distributes the packets divided by the packet distributor to a plurality of radio transmission devices provided in advance and transmits the packets through the radio transmission devices at once, the mobile node including a packet receiver having a plurality of radio reception devices respectively receiving the packets transmitted by the radio transmission devices, and a packet combiner that combines the received packets to generate the packet stream, the home agent including a distributor location information holder that holds information of a logical location of the packet distributor as information of a connection point of the mobile node in the network, and when the network has packets to be transmitted to the mobile node, the network retrieving the connection point information from the distributor location information holder of the home agent, and inputting the packets to the packet distributor situated at the logical location specified by the retrieved connection point information.