Method and apparatus for setting a channel congestion message in a wireless multiple access packet data system
First Claim
1. A method of setting a channel congestion message in a wireless multiple access packet data system having forward and reverse channels, wherein the channel congestion message is broadcast on the forward channel and communication over the reverse channel is in the form of bursts, comprising the steps of:
- measuring an actual fraction of undecodable bursts on the reverse channel;
measuring traffic parameters of the reverse channel;
predicting from the measured traffic parameters an expected fraction of undecodable bursts for optimum throughput on the reverse channel;
comparing the actual and expected fractions of undecodable bursts, and;
setting the congestion message according to the result of the comparison.
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Abstract
A method of setting a channel congestion message in a wireless multiple access packet data system in which the channel congestion message is broadcast on the forward channel of the system and communication over the reverse channel is in the form of bursts. The method comprises the steps of: measuring an actual fraction of undecodable bursts on the reverse channel; measuring traffic parameters of the reverse channel; predicting from the measured traffic parameters an expected fraction of undecodable bursts for optimum throughput on the reverse channel; comparing the actual and expected fractions of undecodable bursts, and; setting the congestion message according to the result of the comparison. A system for implementing the method is also provided.
39 Citations
8 Claims
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1. A method of setting a channel congestion message in a wireless multiple access packet data system having forward and reverse channels, wherein the channel congestion message is broadcast on the forward channel and communication over the reverse channel is in the form of bursts, comprising the steps of:
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measuring an actual fraction of undecodable bursts on the reverse channel; measuring traffic parameters of the reverse channel; predicting from the measured traffic parameters an expected fraction of undecodable bursts for optimum throughput on the reverse channel; comparing the actual and expected fractions of undecodable bursts, and; setting the congestion message according to the result of the comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless multiple access packet data system having forward arid reverse channels, wherein a channel congestion message is broadcast on the forward channel and communication over the reverse channel is in the form of bursts, the system comprising:
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a first measuring means to measure an actual fraction of undecodable bursts on the reverse channel; a second measuring means to measure traffic parameters of the reverse channel; calculating means to predict from the measured traffic parameters an expected fraction of undecodable bursts for optimum throughput on the reverse channel; comparison means to compare the actual and expected fractions of undecodable bursts and to set the congestion message according to the result of the comparison.
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Specification