CODEC INVERSION DETECTION
First Claim
1. A device comprising:
- a receiver configured to receive a signal; and
a processor configured to;
generate a first flag indicating whether the signal satisfies one or more first conditions, wherein the one or more first conditions are based on a first number of detected correlation peaks associated with the signal, a first correlation peak amplitude, or both;
generate a first value of a first synchronization sign indicator associated with the signal;
generate a second flag indicating whether an inverted signal satisfies one or more second conditions, wherein the one or more second conditions are based on a second number of detected correlation peaks associated with the inverted signal, a second correlation peak amplitude, or both;
generate a second value of a second synchronization sign indicator associated with the inverted signal; and
generate an invert flag that indicates whether synchronization inversion is detected in the signal based at least in part on the first flag, the second flag, the first value, and the second value.
1 Assignment
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Accused Products
Abstract
A device includes a receiver and a processor. The receiver is configured to receive a signal. The processor is configured to generate a first flag indicating whether the signal satisfies one or more first conditions that are based on a number of detected correlation peaks associated with the signal, a correlation peak amplitude, or both, and to generate a second flag indicating whether an inverted signal satisfies one or more second conditions. The processor is further configured to generate a first value of a first synchronization sign indicator associated with the signal and to generate a second value of a second synchronization sign indicator associated with the inverted signal. The processor is also configured to generate an invert flag that indicates whether synchronization inversion is detected in the signal based at least in part on the first flag, the second flag, the first value, and the second value.
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Citations
40 Claims
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1. A device comprising:
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a receiver configured to receive a signal; and a processor configured to; generate a first flag indicating whether the signal satisfies one or more first conditions, wherein the one or more first conditions are based on a first number of detected correlation peaks associated with the signal, a first correlation peak amplitude, or both; generate a first value of a first synchronization sign indicator associated with the signal; generate a second flag indicating whether an inverted signal satisfies one or more second conditions, wherein the one or more second conditions are based on a second number of detected correlation peaks associated with the inverted signal, a second correlation peak amplitude, or both; generate a second value of a second synchronization sign indicator associated with the inverted signal; and generate an invert flag that indicates whether synchronization inversion is detected in the signal based at least in part on the first flag, the second flag, the first value, and the second value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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receiving a signal at a device; and generating, at the device, an invert flag indicating whether synchronization inversion is detected in the signal based at least in part on a first flag, a second flag, a first value of a first synchronization sign indicator associated with the signal, and a second value of a second synchronization sign indicator associated with an inverted signal, wherein the first flag indicates whether the signal satisfies one or more first conditions, wherein the one or more first conditions are based on a first number of detected correlation peaks associated with the signal, a first correlation peak amplitude, or both, wherein the second flag indicates whether the inverted signal satisfies one or more second conditions, and wherein the one or more second conditions are based on a second number of detected correlation peaks associated with the inverted signal, a second correlation peak amplitude, or both. - View Dependent Claims (9, 10)
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11. A computer-readable storage device storing instructions that, when executed by a processor, cause the processor to perform operations comprising:
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receiving a signal at a device; and generating, at the device, an invert flag indicating whether synchronization inversion is detected in the signal based at least in part on a first flag, a second flag, a first value of a first synchronization sign indicator associated with the signal, and a second value of a second synchronization sign indicator associated with an inverted signal, wherein the first flag indicates whether the signal satisfies one or more first conditions, wherein the one or more first conditions are based on a first number of detected correlation peaks associated with the signal, a first correlation peak amplitude, or both, wherein the second flag indicates whether the inverted signal satisfies one or more second conditions, and wherein the one or more second conditions are based on a second number of detected correlation peaks associated with the inverted signal, a second correlation peak amplitude, or both. - View Dependent Claims (12, 13)
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14. An apparatus comprising:
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means for receiving a signal; and means for generating an invert flag indicating whether synchronization inversion is detected in the signal based at least in part on a first flag, a second flag, a first value of a first synchronization sign indicator associated with the signal, and a second value of a second synchronization sign indicator associated with an inverted signal, wherein the first flag indicates whether the signal satisfies one or more first conditions, wherein the one or more first conditions are based on a first number of detected correlation peaks associated with the signal, a first correlation peak amplitude, or both, wherein the second flag indicates whether the inverted signal satisfies one or more second conditions, and wherein the one or more second conditions are based on a second number of detected correlation peaks associated with the inverted signal, a second correlation peak amplitude, or both. - View Dependent Claims (15, 16)
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17. A device comprising:
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a receiver configured to receive a signal; a first synchronization preamble detector configured to; generate a first flag indicating whether a synchronization preamble is detected in the signal; and generate a first measure by aggregating correlation peaks that correspond to the signal; a second synchronization preamble detector configured to; generate an inverted signal based on the signal; generate a second flag indicating whether the synchronization preamble is detected in the inverted signal; and generate a second measure by aggregating correlation peaks that correspond to the inverted signal; and a codec inversion detector configured to generate an invert flag that indicates whether codec inversion is detected in the signal based at least in part on the first flag, the second flag, the first measure, and the second measure. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. A method comprising:
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receiving a signal at a device; and generating, at the device, an invert flag indicating whether codec inversion is detected in the signal based at least in part on a first flag, a second flag, a first measure, and a second measure, wherein the first flag indicates whether a synchronization preamble is detected in the signal, wherein the first measure is based on a first aggregate of correlation peaks corresponding to the signal, wherein the second flag indicates whether the synchronization preamble is detected in an inverted signal, wherein the inverted signal is based on the signal, and wherein the second measure is based on a second aggregate of correlation peaks corresponding to the inverted signal. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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34. An apparatus comprising:
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means for receiving a signal; means for generating a first flag and a first measure, wherein the first flag indicates whether a synchronization preamble is detected in the signal and wherein the first measure is generated by aggregating correlation peaks that correspond to the signal; means for generating an inverted signal based on the signal; means for generating a second flag and a second measure, wherein the second flag indicates whether the synchronization preamble is detected in the inverted signal and wherein the second measure is generated by aggregating correlation peaks that correspond to the inverted signal; and means for generating an invert flag indicating whether codec inversion is detected in the signal based at least in part on the first flag, the second flag, the first measure, and the second measure. - View Dependent Claims (35, 36)
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37. A computer-readable storage device storing instructions that, when executed by a processor, cause the processor to perform operations comprising:
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receiving a signal; and generating an invert flag indicating whether codec inversion is detected in the signal based at least in part on a first flag, a second flag, a first measure, and a second measure, wherein the first flag indicates whether a synchronization preamble is detected in the signal, wherein the first measure is based on a first aggregate of correlation peaks corresponding to the signal, wherein the second flag indicates whether the synchronization preamble is detected in an inverted signal, wherein the inverted signal is based on the signal, and wherein the second measure is based on a second aggregate of correlation peaks corresponding to the inverted signal. - View Dependent Claims (38, 39, 40)
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Specification