Collision mitigation methods used in a communication system
First Claim
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1. A collision mitigation method used in a communication system, the method comprising the steps of:
- estimating a signal that has been received over a first channel;
determining a set of channels that the signal will be received over; and
based on the steps of estimating and determining, removing the signal from a plurality of signals received over a second channel.
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Abstract
A signal that has been received over a first channel is estimated. A set of channels that the signal will be received over is determined. Based on the estimated signal and the set of channels, the signal is removed from a plurality of signals received over a second channel.
20 Citations
20 Claims
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1. A collision mitigation method used in a communication system, the method comprising the steps of:
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estimating a signal that has been received over a first channel;
determining a set of channels that the signal will be received over; and
based on the steps of estimating and determining, removing the signal from a plurality of signals received over a second channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A collision mitigation method used in a multiple pass communication system, the method comprising the steps of:
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in a given pass, estimating a signal that has been received over a first channel;
determining a set of channels that the signal was and will be received over in prior and subsequent passes; and
based on the steps of estimating and determining, removing the signal from a plurality of signals received over a second channel. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A collision mitigation method used in a communication system, the method comprising the steps of:
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receiving a signal over a first channel;
determining a set of channels that the signal will be received over; and
based on the steps of determining, estimating a total number of signals in the system based on a number of known signals and a number of colliding signals. - View Dependent Claims (17, 18)
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19. A method comprising the steps of:
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receiving a signal over a channel;
estimating a variance of an absolute value of the signal; and
based on the step of estimating, determining that a collision has occurred on the channel when the estimated variance exceeds a predetermined threshold. - View Dependent Claims (20)
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Specification