Predictive collision avoidance in macrodiverse wireless networks with frequency hopping using switching
First Claim
1. (Original) A communication system for communication using wireless signals including downlink signals to and uplink signals from mobile stations, comprising, hopping control means for indicating frequency hopping sequences for said downlink signals and said uplink signals, a plurality of transceiver stations having broadcast channels and dedicated channels carried by said wireless signals, zone manager means including, hopping extraction means for extracting frequency hopping information from said hopping control means, collision prediction means forming predictions of radio channel interference between dedicated channels, switching control means responsive to said predictions for dynamic switching of said dedicated channels so as to avoid said interference.
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Abstract
A communication system using fast macrodiversity switching (FMS) and frequency hopping (FH) for wireless signals including downlink signals to and uplink signals from mobile stations. Frequency hopping sequences are determined for the uplink and downlink signals for the mobile stations. A plurality of transceiver stations employ broadcast channels and dedicated channels for communications with the mobile stations. A zone manager controls fast macrodiversity switching of dedicated channels among the mobile stations while broadcast channels remain unswitched. The zone manager extracts frequency hopping information to form predictions of dedicated channel collisions, and based upon the predictions, controls the dynamic switching of dedicated channels to avoid collisions.
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Citations
32 Claims
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1. (Original) A communication system for communication using wireless signals including downlink signals to and uplink signals from mobile stations, comprising,
hopping control means for indicating frequency hopping sequences for said downlink signals and said uplink signals, a plurality of transceiver stations having broadcast channels and dedicated channels carried by said wireless signals, zone manager means including, hopping extraction means for extracting frequency hopping information from said hopping control means, collision prediction means forming predictions of radio channel interference between dedicated channels, switching control means responsive to said predictions for dynamic switching of said dedicated channels so as to avoid said interference.
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24. (Original) In a communication system for communication using wireless signals including downlink signals to and uplink signals from mobile stations, the method comprising,
indicating frequency hopping sequences for said downlink signals and said uplink signals, broadcast channels and dedicated channels carried by said wireless signals from a plurality of transceiver stations, managing fast macrodiversity switching and frequency hopping including, extracting frequency hopping information from said frequency hopping sequences, forming predictions of radio channel interference between dedicated channels, dynamic switching of said dedicated channels so as to avoid said interference.
Specification