Patent ID: 8427990

Claim:
A wireless communication system comprising: a first wireless communication apparatus which transmits search data to a second wireless communication apparatus connected through an access point in a wireless communication network and determines whether a direct link setup to the second wireless communication apparatus is possible based on search response data returned from the second wireless communication apparatus; and the second wireless communication apparatus which receives the search data and transmits the search response data to the first wireless communication apparatus when the second wireless communication apparatus is compliant with the direct link setup; the first wireless communication apparatus including a registration control unit which registers the second wireless communication apparatus in a directly linkable node table, if it is determined that the second wireless communication apparatus is a communicatee to which the direct link can be set up, the determination comprising determinations that: a BSSID included in the search response data is not matched with a BSSID of the first wireless communication apparatus, an ESSID included in the search response data is matched with an ESSID of the first wireless communication apparatus, and either: a channel number representing a frequency band used by the second wireless communication apparatus is matched with a channel number of the first wireless communication apparatus, or the channel number representing the frequency band is not matched with a channel number of the first wireless communication apparatus, and the first or second wireless communication apparatus has a function of dynamically changing channels during the direct link.