Each wireless communication apparatus forming a wireless network has an operation mode in which a wireless communication apparatus becomes a control station with priority, an operation mode in which a wireless communication apparatus may operate as a control station, and an operation mode in which a...http://www.google.co.uk/patents/US7542760?utm_source=gb-gplus-sharePatent US7542760 - Wireless communication system, wireless communication control method, wireless communication apparatus, method of controlling the wireless communication apparatus, and computer program
