Patent ID: 8605600
Filing Date: 2013-12-10
Classification: H04W

Abstract:
1. A wireless communication system comprising: a wireless terminal that communicates information; a plurality of access points that are configured to performs wireless communication with the wireless terminal; a main server that is configured to communicates with each of the plurality of access points through a network and manages communication between the wireless terminal and other wireless terminals; and a plurality of survival servers each corresponding to one of the plurality of access points and being configured to communicates with the corresponding access point through the network and substitutes for the main server in managing the communication between the wireless terminal and other wireless terminals, wherein each access point is configured to detect a communication state between the main server and the access point and a communication state between the survival server corresponding to the access point and the access point by requesting a direct communication with the main server and the survival server corresponding to the access point, and sets a network identifier of the access point according to the detected communication states, and the wireless terminal performs wireless communication with the access point using the set network identifier, and the wireless terminal communicates information with the main server when the set network identifier is a network identifier associated with the main server, and communicates information with the survival server corresponding to the access point when the set network identifier is a network identifier associated with the survival server corresponding to the access point.