Method for packet polling in a WLAN
First Claim
1. A method for dynamic packet polling during a power save mode, comprising the steps of:
- polling an access point for packets at a first rate on at least one access category;
determining a polling time-out as a function of a first packet priority; and
changing said first rate to a second rate in view of a second packet priority if said second packet priority is higher than said first packet priority, wherein changing said rate further comprises the steps of;
determining if a packet has been transmitted or received on an access category;
updating a packet time array for said access category;
determining an overall poll time-out based on an access category with the longest time-out for starting an overall poll-timer; and
determining a poll time-out based on an access category with highest priority for starting a poll-timer.
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Accused Products
Abstract
A method (500) is provided for dynamic packet polling during a power save mode. The method can include polling (504) an access point (104) for packets at a first rate on at least one access category, determining (506) a polling time-out as a function of a packet priority, and possibly changing the rate to a second rate in view of a second packet priority. The polling time-out can correspond to a duration interval of the polling for increasing an efficiency of the power save mode. The method can include establishing a poll timeout and an overall poll timeout as a function of each access category. The function can include mapping a packet priority to a response time for setting a timeout. In one aspect, the polling can be combined into a single polling stream for multiple access categories.
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Citations
13 Claims
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1. A method for dynamic packet polling during a power save mode, comprising the steps of:
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polling an access point for packets at a first rate on at least one access category; determining a polling time-out as a function of a first packet priority; and changing said first rate to a second rate in view of a second packet priority if said second packet priority is higher than said first packet priority, wherein changing said rate further comprises the steps of; determining if a packet has been transmitted or received on an access category; updating a packet time array for said access category; determining an overall poll time-out based on an access category with the longest time-out for starting an overall poll-timer; and determining a poll time-out based on an access category with highest priority for starting a poll-timer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for dynamic packet rolling during a power save mode, comprising the steps of:
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rolling an access point for packets at a first rate on at least one access category; determining a rolling time-out as a function of a first packet priority; changing said first rate to a second rate in view of a second packet priority if said second packet priority is higher than said first packet priority; and wherein determining the polling time-out further includes the steps of; expiring a poll time-out; upon said expiring, transmitting a power-save poll frame to an access point; upon receiving a packet, identifying an access category with highest priority; and setting said poll time-out in view of said highest priority packet, wherein said overall poll timeout has not expired.
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Specification