System and method for compensating for modulation induced frequency shift during transmission of a radio frequency signal
First Claim
1. A method for compensating for frequency shifts during transmission of an RF control signal, the method comprising:
- receiving a request to enter a transmission mode from a user;
generating a carrier signal having a frequency;
measuring the frequency of the carrier signal;
comparing the measured frequency of the carrier signal to a desired frequency;
if there is a difference between the measured frequency and the desired frequency, determining if data is being modulated on the carrier signal; and
if data is not being modulated on the carrier signal, applying a correction to the carrier signal frequency.
5 Assignments
0 Petitions
Accused Products
Abstract
A method for compensating for frequency shifts during transmission of an RF control signal includes receiving a request to enter a transmission mode from a user. A carrier signal having a frequency is generated and the frequency of the carrier signal is measured. The measured frequency of the carrier signal is compared to a desired frequency to determine if there is a difference between the measured frequency and the desired frequency. If there is a difference, it is determined if data is being modulated on the carrier signal. If data is not being modulated on the carrier signal, a correction is applied to the carrier signal frequency.
45 Citations
20 Claims
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1. A method for compensating for frequency shifts during transmission of an RF control signal, the method comprising:
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receiving a request to enter a transmission mode from a user;
generating a carrier signal having a frequency;
measuring the frequency of the carrier signal;
comparing the measured frequency of the carrier signal to a desired frequency;
if there is a difference between the measured frequency and the desired frequency, determining if data is being modulated on the carrier signal; and
if data is not being modulated on the carrier signal, applying a correction to the carrier signal frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electronic control system for compensating for frequency shifting during transmission of a radio frequency control signal with a remote electronic device, the control system comprising:
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a transceiver for establishing a wireless communication link with the remote electronic device;
a voltage controlled oscillator circuit coupled to transceiver, the voltage controlled oscillator circuit being configured to generate a control signal, the control signal including a carrier frequency; and
a control circuit coupled to the voltage controlled oscillator circuit, the control circuit being configured to measure the carrier frequency of the control signal generated by the voltage controlled oscillator circuit, wherein the carrier frequency of the control signal is compared to a desired frequency of the remote electronic device, such that if a difference exists between the value of the carrier frequency and the desired frequency, the control circuit being further configured to determine if data is being modulated onto the carrier frequency of the control signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification