| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an apparatus and method for establishing a session in a radio network organized with mobile nodes. <P>SOLUTION: If a source mobile node requests a session setup from the destination mobile node and a distance between the transmission and destination mobile nodes is longer than a predetermined distance, the apparatus uses message relay mobile nodes. The source mobile node transmits a session setup message to the destination mobile node via the message relay mobile nodes. Message transmission time information between mobile nodes is determined by individual mobile nodes and is stored in the same. The received session setup request message is stored in individual mobile nodes. Therefore, if all the mobile nodes transmit their session setup request messages to neighboring mobile nodes and there is no response to the transmitted session setup request messages, the mobile nodes retransmit the stored session setup request messages. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
