| 摘要 |
A communication quality management equipment connected via a control line to a plurality of wireless base stations within a wireless access network, acquires quality information of a wireless line at a present position of a mobile terminal, resource information as to a wireless line of each of the wireless base stations, and use information as to a network line of each of the wireless base stations from the respective wireless base stations in a periodic manner, or in response to an instruction issued from the communication quality management equipment, and then judges a communication quality at each of the present positions of the mobile terminal; forms communication quality map information in which the judged communication qualities have been defined in correspondence with the positional information, and transmits the formed communication quality map information to the mobile terminal in accordance with a request from the mobile terminal.
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