Patent ID: 9706390
Date: 2017-07-11
CPC Classifications: H04W

Claim:
1. A method for updating, by an access point (AP), information on a cellular system in a wireless communication system, the method comprising: transmitting, to a first multi-radio access technology (RAT) device supporting a plurality of RATs, a request for information on a cellular system including an update configuration for the information on the cellular system; receiving, from the first multi-RAT device according to the update configuration, a response including an output for the request, wherein the output for the request includes location information of the first multi-RAT device when the location information of the first multi-RAT device is changed; if a link state between the AP and the first multi-RAT device is higher than or equal to a predetermined level and the first multi-RAT device deviates from a location change range of the first multi-RAT device, comparing the output for the request with a previously acquired output, and transmitting, to an AP information management device, updated information on the cellular system based on the response when the output for the request is different from the previously acquired output; and if a link state between the AP and the first multi-RAT device is lower than the predetermined level and the first multi-RAT device deviates from a coverage of the AP, transmitting, to a second multi-RAT device supporting the plurality of RATs, the request for the information on the cellular system.