Patent ID: 7894829

Claim:
A wireless communication terminal using a position detection system for use in a wireless communication system having at least one connection node for providing a network connection service to a plurality of wireless communication terminals, the wireless communication terminal comprising: a communication module for communicating with other wireless communication terminals through the connection node; a position detection module for receiving position information about the wireless communication terminal; a network connection module, including a service map specifying a communication availability area determined according to a state of radio waves that have arrived from the connection node, wherein the network connection module determines if a signal for a connection request to the connection node is applied, if the signal for the connection request is applied, determines if a current position is in an available service area using the position information and a service map specifying a previously stored communication availability area, if the current position is in the available service area, turns on a communication modem and attempts to connect to a network, and if the current position is not in the available service area, informs that the current position is in an unavailable service area using a message, and wherein the service map comprises information about a position and range of the communication available area, a communication unavailable area, and a weak radio area.