Cognitive spectral sensor-based PN hopping/spreading sequence generator
First Claim
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1. A spread spectrum communication system, comprising:
- a transceiver configured to transmit a spread spectrum waveform, the spread spectrum waveform comprising transmitted signals at varying frequencies within a radio frequency spectrum of operation according to a hopping sequence;
a spectral sensor configured to dynamically scan the radio frequency spectrum of operation and to generate channel occupancy data based upon the scans; and
a real time hopping sequence generator coupled to the spectral sensor and configured to dynamically generate the hopping sequence in real time as a function of the channel occupancy data,wherein the transceiver is configured to generate a tune control signal and to provide the tune control signal to the spectral sensor, the tune control signal notifying the spectral sensor of a transceiver frequency so that the spectral sensor tunes to and scans the transceiver frequency.
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Abstract
A spread spectrum communication system includes a transceiver configured to transmit a spread spectrum waveform. The spread spectrum waveform comprises transmitted signals at varying frequencies within a radio frequency spectrum of operation. The frequency variation is controlled according to a hopping sequence. A spectral sensor of the communication system is configured to dynamically scan the radio frequency spectrum of operation and to generate channel occupancy data based upon the scans. A real time hopping sequence generator is configured to dynamically generate the hopping sequence in real time as a function of the channel occupancy data.
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Citations
17 Claims
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1. A spread spectrum communication system, comprising:
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a transceiver configured to transmit a spread spectrum waveform, the spread spectrum waveform comprising transmitted signals at varying frequencies within a radio frequency spectrum of operation according to a hopping sequence; a spectral sensor configured to dynamically scan the radio frequency spectrum of operation and to generate channel occupancy data based upon the scans; and a real time hopping sequence generator coupled to the spectral sensor and configured to dynamically generate the hopping sequence in real time as a function of the channel occupancy data, wherein the transceiver is configured to generate a tune control signal and to provide the tune control signal to the spectral sensor, the tune control signal notifying the spectral sensor of a transceiver frequency so that the spectral sensor tunes to and scans the transceiver frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A spread spectrum communication system, comprising:
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a spread spectrum transceiver configured to communicate at varying frequencies, the frequencies varying according to a hopping sequence; a spectral sensor configured to dynamically scan the varying frequencies and to generate channel statistics data based upon the scans; and a real time hopping sequence generator coupled to the spectral sensor and configured to dynamically generate the hopping sequence in real time as a function of the channel statistics data, wherein the channel statistics data is in the form of spectral occupancy data, and wherein the transceiver is configured to generate quality of service metrics and to provide the generated quality of service metrics to the real time hopping sequence generator, wherein the real time hopping sequence generator is configured to dynamically generate the hopping sequence in real time also as a function of the quality of service metrics. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification