| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication system which can perform route retrieval with a communication-enabled range (radio wave coverage) of radio wave taken into consideration in an ad hoc communication network, the route retrieval also actualizing efficient relay. SOLUTION: A wireless terminal selects a plurality of wireless terminals having many wireless terminals which can not directly communicate with itself from a wireless terminal list of wireless terminals existing in the surroundings and classifies nearby wireless terminals in the predetermined number of groups. After judging relative positions of the groups by a communication-enabled common station, each one candidate of wireless terminals to which the communication is relayed is selected for original and duplicate and when transmission and relay become necessary, transmission is performed to the preselected wireless terminals. COPYRIGHT: (C)2009,JPO&INPIT
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