Direct-path-signal detection apparatus and associated methods
First Claim
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1. A direct-path-signal detector circuitry, comprising:
- a standard deviation calculator circuitry configured to determine a standard deviation of a plurality of data values within a data frame that corresponds to a radio-frequency signal received via a communication link; and
a threshold circuitry configured to detect a direct-path signal depending on the relative values of the standard deviation and a threshold signal.
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Abstract
Direct-path-signal (DPS) detector circuitry includes a standard deviation calculator circuitry configured to determine a standard deviation of a plurality of data values within a data frame. The data frame corresponds to a radio-frequency signal received via a communication link. The DPS detector circuitry also includes a threshold circuitry configured to detect a direct-path signal depending on the relative values of the standard deviation and a threshold signal.
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Citations
49 Claims
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1. A direct-path-signal detector circuitry, comprising:
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a standard deviation calculator circuitry configured to determine a standard deviation of a plurality of data values within a data frame that corresponds to a radio-frequency signal received via a communication link; and
a threshold circuitry configured to detect a direct-path signal depending on the relative values of the standard deviation and a threshold signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A radio-frequency (RF) apparatus, comprising:
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a radio-frequency receiver circuitry configured to receive via a communication link a plurality of pulses that result from a transmission of a radio-frequency pulse in a multipath propagation medium; and
a detector circuitry coupled to the radio-frequency receiver circuitry, the detector circuitry configured to detect a direct-path pulse in the plurality of pulses. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A communication system, comprising:
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a transmitter circuitry configured to transmit a radio-frequency pulse into a multipath propagation medium;
a receiver circuitry configured to receive a plurality of pulses that result from the transmission of the radio-frequency pulse into the multipath propagation medium; and
a detector circuitry configured to detect a direct-path pulse in the received plurality of pulses. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A method of detecting a direct-path-signal, comprising:
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determining a standard deviation of a plurality of data values within a data frame that corresponds to a radio-frequency signal received via a communication link; and
detecting a direct-path signal depending on the relative values of the standard deviation and a threshold signal. - View Dependent Claims (35, 36, 37, 38, 39, 40)
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41. A method of detecting a direct-path pulse in a radio-frequency (RF) apparatus, comprising:
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receiving via a communication link a plurality of pulses that result from a transmission of a radio-frequency pulse in a multipath propagation medium; and
detecting a direct-path pulse in the plurality of pulses by using a detector circuitry in the radio frequency apparatus. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49)
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Specification