| 摘要 |
PROBLEM TO BE SOLVED: To prevent communication efficiency from being reduced by a topology change and to avoid occurrence of time and efforts for setting information updating to a radio terminal in a radio communication system in which there are mixed the radio terminal disposed on a mobile 1 which moves within a predetermined range and operates to move a portion that may become an obstacle for radio communication in a higher frequency than a frequency of moving at a position of a moving destination, and a plurality of radio relay stations disposed at a plurality of positions along a moving route of the mobile 1. SOLUTION: In a radio communication system, a radio terminal 10 on a mobile 1 performs radio communication while performing roaming using a radio relay station 20 as an access point, and the radio relay station 20 performs radio communication as an access point and relays and transmits communication data through radio communication due to dynamic routing with another radio relay station 20. COPYRIGHT: (C)2011,JPO&INPIT
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