An improved method for preventing collisions in a multi-transceiver access point for use with frequency hopping RF transceivers includes determining the next channel frequencies to be used by each transceiver in the access point; and permitting only one transceiver to transmit on any particular channel...http://www.google.de/patents/US6859450?utm_source=gb-gplus-sharePatent US6859450 - Method for coordinated collision avoidance in multi-transceiver frequency hopping wireless device
