Method And System For Performing Ranging When Using Multiple Channel Communication In A Wireless Network
First Claim
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1. A method for performing ranging in a base station for a plurality of subscriber stations using multiple channel communication, comprising, for each subscriber station:
- maintaining a base station timer for each channel on which the subscriber station is operable to communicate; and
assigning a transmission opportunity for the subscriber station on a channel when the base station timer for the channel expires.
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Abstract
A method for performing ranging in a base station for a plurality of subscriber stations using multiple channel communication is provided. The method includes, for each subscriber station, maintaining a base station timer for each channel on which the subscriber station is operable to communicate and timely assigning a transmission opportunity for the subscriber station on a channel when the base station timer for the channel expires.
53 Citations
20 Claims
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1. A method for performing ranging in a base station for a plurality of subscriber stations using multiple channel communication, comprising, for each subscriber station:
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maintaining a base station timer for each channel on which the subscriber station is operable to communicate; and assigning a transmission opportunity for the subscriber station on a channel when the base station timer for the channel expires. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. The method as set forth in claim 71 assigning the timer length for each of the subscriber station timers comprising assigning the timer length for each of the subscriber station timers based on a collision probability for the subscriber station.
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9. A method for performing ranging in a subscriber station using multiple channel communication, comprising:
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maintaining a subscriber station timer for each channel on which the subscriber station is operable to communicate; determining whether a subscriber station timer for one of the channels has expired; and when the subscriber station timer for a specified channel has expired, transmitting a re-initialization ranging request to a base station for the specified channel. - View Dependent Claims (10, 11, 12)
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13. A base station capable of performing ranging for a plurality of subscriber stations using multiple channel communication, comprising:
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a plurality of base station timers for each subscriber station, each base station timer for a subscriber station corresponding to a channel on which the subscriber station is operable to communicate; and a base station ranging module coupled to the base station timers, the base station ranging module operable to assign a transmission opportunity for the subscriber station on a specified channel when the base station timer for the specified channel expires. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification