Patent ID: 8059601
Filing Date: 2011-11-15
Classification: H04W,Y02D

Abstract:
1. A method for searching for a Wireless Local Area Network (WLAN) in a portable terminal, the method comprising: upon registering a WLAN, mapping and storing cell information, acquired from a base station, on a present position and information on the registered WLAN, acquired from an Access Point of a WLAN; when entering a mode concurrently supporting a cellular network and a WLAN in a state where a connection to the cellular network is made, comparing the stored cell information with connected cell information; searching for a WLAN using the WLAN information mapped to the stored cell information, when the stored cell information is consistent with the connected cell information; when the stored cell information is not consistent with the connected cell information, checking whether a connected cell of the terminal is changed; and upon determining that the connected cell has changed, comparing whether the stored cell information is consistent with information on the changed cell.