Patent ID: 6192252
Filing Date: 2001-02-20
Classification: H04J,H04W

Abstract:
A wireless telecommunications system comprising one or more cells, each cell comprising one or more central terminals and a plurality of subscriber terminals, the one or more central terminals being arranged to provide a plurality of frequency channels over which wireless links may be established connecting a subscriber terminal with said one or more central terminals,wherein at least one of the one or more central terminals comprises:means for generating for a chosen subscriber terminal a prioritized list of frequency channels over which wireless links may be established connecting that subscriber terminal with the one or more central terminals, the prioritized list identifying a home channel for the subscriber terminal and at least one further channel from said plurality of frequency channels;a transmitter for transmitting the prioritized list of frequency channels to the subscriber terminal;and wherein the subscriber terminal comprises:a receiver for receiving the prioritized list of frequency channels;a storage for storing the prioritized list of frequency channels;link acquisition logic for seeking to establish a wireless link on the home frequency channel specified in the prioritized list;a selector responsive to the link acquisition logic being unable to establish the wireless link, to select an alternative frequency channel from the prioritized list;the link acquisition logic being arranged to seek to establish the wireless link on the alternative frequency channel selected by the selector.