Method and apparatus for transmitting a-priori information in a communication system
First Claim
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1. A method for transmitting a-priori information, the method comprising:
- generating, by circuitry of a transmission apparatus, a chirp signal that represents the a-priori information based on a sampling frequency and a channel bandwidth of a signal to be transmitted, the chirp signal including at least one burst with a chirp rate equal to the sampling frequency and with a maximum frequency equal to the channel bandwidth;
appending, by the circuitry, the chirp signal that represents the a-priori information to a data signal; and
transmitting, by a transmitter, the data signal including the appended chirp signal that represents the a-priori information to a reception apparatus.
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Abstract
Methods and apparatuses are provided for transmitting and receiving a-priori information. The transmitting method includes generating, by circuitry of a transmission apparatus, the a-priori information based on a sampling frequency and a channel bandwidth of a signal to be transmitted. The a-priori information is appended to a data signal by the circuitry. The circuitry transmits the data signal including the appended a-priori information to a reception apparatus.
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Citations
14 Claims
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1. A method for transmitting a-priori information, the method comprising:
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generating, by circuitry of a transmission apparatus, a chirp signal that represents the a-priori information based on a sampling frequency and a channel bandwidth of a signal to be transmitted, the chirp signal including at least one burst with a chirp rate equal to the sampling frequency and with a maximum frequency equal to the channel bandwidth; appending, by the circuitry, the chirp signal that represents the a-priori information to a data signal; and transmitting, by a transmitter, the data signal including the appended chirp signal that represents the a-priori information to a reception apparatus. - View Dependent Claims (2, 3, 4, 5)
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6. A method for receiving a-priori information, the method comprising:
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receiving, by a receiver of a reception apparatus, a transmitted signal, the transmitted signal including a-priori information appended to a data signal; detecting, by circuitry of the reception apparatus, a chirp signal that represents the a-priori information included in the transmitted signal, the chirp signal including at least one burst with a chirp rate equal to the sampling frequency and with a maximum frequency equal to the channel bandwidth; and determining, by the circuitry, a sampling frequency and a channel bandwidth associated with the transmitted signal based on the detected chirp signal that represents the a-priori information. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A transmission apparatus, comprising:
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circuitry configured to; generate a chirp signal that represents a-priori information based on a sampling frequency and a channel bandwidth of a data signal to be transmitted, the chirp signal including at least one burst with a chirp rate equal to the sampling frequency and with a maximum frequency equal to the channel bandwidth; and append the chirp signal that represents the a-priori information to the data signal; and a transmitter configured to transmit the data signal including the appended chirp signal that represents the a-priori information to a reception apparatus.
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14. A reception apparatus, comprising:
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a receiver configured to receive a transmitted signal, the transmitted signal including a-priori information appended to a data signal; and circuitry configured to; detect a chirp signal that represents the a-priori information included in the transmitted signal, the chirp signal including at least one burst with a chirp rate equal to the sampling frequency and with a maximum frequency equal to the channel bandwidth; and determine a sampling frequency and a channel bandwidth associated with the transmitted signal based on the detected chirp signal that represents the a-priori information.
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Specification