Packet header structure and method of controlling packet transfer
First Claim
1. A header structure of a packet, which is transferred to a mobile terminal through a packet communication network that includes a plurality of routers inclusive of communication routers configured to communicate with mobile terminals through radio, comprising information about conditions of destination mobile terminals for which said packet is destined, said information serving as indication of destination.
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Accused Products
Abstract
A header structure of a packet, which is transferred to a mobile terminal through a packet communication network that includes a plurality of routers inclusive of communication routers configured to communicate with mobile terminals through radio, includes information about conditions of destination mobile terminals for which the packet is destined. This information serves as indication of destination.
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Citations
12 Claims
- 1. A header structure of a packet, which is transferred to a mobile terminal through a packet communication network that includes a plurality of routers inclusive of communication routers configured to communicate with mobile terminals through radio, comprising information about conditions of destination mobile terminals for which said packet is destined, said information serving as indication of destination.
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7. A method of controlling packet transfer when packets are transferred to mobile terminals through a packet communication network that includes a plurality of routers inclusive of communication routers configured to communicate with mobile terminals through radio, comprising the steps of:
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making any given one of the communication routers keep track of information about conditions of mobile terminals that can communicate with and send said information to said any given one of the communication routers; and
making each of the routers transfer a packet to other routers after checking destination information when the packet, traveling through the packet communication network, includes information about the conditions of mobile terminals stored as the destination information in a header portion thereof;
making the communication routers transfer the packet through radio to mobile stations that can communicate with the communication routers if the information about the conditions of mobile terminals stored as the destination information in the header portion of the packet matches the information about the conditions of mobile terminals kept track of by the communication routers. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification