Location and state information providing/inquiring system using WLAN/WPAN communication, log information providing/inquiring system and method, service server and customer terminal, location and state providing/inquiring method

摘要

A mobile terminal device for positioning, includes: a wireless local area network (WLAN)/wireless personal area network (WPAN) communication unit to acquire identification information of one or more WLAN/WPAN communication modules of one or more adjacent other terminal devices; a request unit to transmit the identification information of the WLAN/WPAN communication modules to a service server to inquire about service subscription/unsubscription and request location and state information of the adjacent other terminal devices that are service subscribers; and a user interface unit to receive location and state information of the adjacent other terminal devices from the service server and display the location and state information on a screen.