Antenna compensation system and method in a communications device
First Claim
Patent Images
1. A communications device comprising:
- an antenna port configured for coupling to any given one of multiple different antennas;
transmitter circuitry configured to broadcast a radio frequency (RF) output signal across any given one of the multiple different antennas that is coupled to the antenna port at a first frequency;
stored antenna compensation information corresponding to each given one of the multiple different antennas that indicates an amount of amplitude compensation to apply depending on which given one of the multiple antennas is coupled to the antenna port in order to adjust the corresponding amplitude level at which the RF output signal is broadcast at the first frequency across a given one of the multiple antennas when it is coupled to the antenna port, the amplitude compensation indicated by the stored antenna compensation information being different at the first frequency for each of the multiple different antennas; and
a controller configured to adjust an amplitude level at which the RF output signal is broadcast at the first frequency across a first one of the multiple antennas when it is coupled to the antenna port by the amount indicated by the stored antenna compensation information corresponding to the first antenna for the first frequency so as to set the amplitude of the RF output signal to a first amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna coupled to the antenna port, based on the antenna compensation information;
wherein the antenna compensation information is configured to compensate for properties of each given one of the multiple antennas when it is coupled to the antenna port while the RF output signal is being broadcast at the first frequency, and wherein the antenna port, the transmitter circuitry, and the controller are at least partially integrated on the same integrated circuit.
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Abstract
A communications device is provided. The communications device includes an antenna port, transmitter circuitry configured to broadcast a radio frequency (RF) output signal across the antenna port, and a controller configured to adjust a signal level of the RF output signal in accordance with antenna compensation information. The antenna port, the transmitter circuitry, and the controller are at least partially integrated on the same integrated circuit.
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Citations
33 Claims
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1. A communications device comprising:
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an antenna port configured for coupling to any given one of multiple different antennas; transmitter circuitry configured to broadcast a radio frequency (RF) output signal across any given one of the multiple different antennas that is coupled to the antenna port at a first frequency; stored antenna compensation information corresponding to each given one of the multiple different antennas that indicates an amount of amplitude compensation to apply depending on which given one of the multiple antennas is coupled to the antenna port in order to adjust the corresponding amplitude level at which the RF output signal is broadcast at the first frequency across a given one of the multiple antennas when it is coupled to the antenna port, the amplitude compensation indicated by the stored antenna compensation information being different at the first frequency for each of the multiple different antennas; and a controller configured to adjust an amplitude level at which the RF output signal is broadcast at the first frequency across a first one of the multiple antennas when it is coupled to the antenna port by the amount indicated by the stored antenna compensation information corresponding to the first antenna for the first frequency so as to set the amplitude of the RF output signal to a first amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna coupled to the antenna port, based on the antenna compensation information; wherein the antenna compensation information is configured to compensate for properties of each given one of the multiple antennas when it is coupled to the antenna port while the RF output signal is being broadcast at the first frequency, and wherein the antenna port, the transmitter circuitry, and the controller are at least partially integrated on the same integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method performed by a controller in a communication device with transmitter circuitry, the method comprising:
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accessing stored antenna compensation information corresponding to multiple different antennas that indicates an amount of amplitude compensation to apply depending on which given one of the multiple antennas is coupled to an antenna port of the communications device while a radio frequency (RF) output signal of a first frequency is being broadcast across the given one of the multiple antennas coupled to the antenna port, the amplitude compensation indicated by the stored antenna compensation information being different at the first frequency for each of the multiple different antennas; and compensating for properties of the given antenna coupled to the antenna port while the RF output signal is being broadcast at the first frequency across the given antenna by adjusting an amplitude level of the RF output signal generated by the transmitter circuitry at the first frequency and broadcast across the given antenna by an amount indicated by the antenna compensation information for the first frequency so as to set the amplitude of the RF output signal to a first amplitude level at which the RF output signal is broadcast at the first frequency across the given antenna based on the antenna compensation information. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A communication device comprising:
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an antenna port coupled to a first antenna; transmitter circuitry including adjustable level circuitry and configured to broadcast a radio frequency (RF) output signal across the first antenna at a first frequency; stored antenna compensation information corresponding to each given one of multiple different antennas that indicates an amount of amplitude compensation to apply depending on which given one of the multiple antennas is coupled to the antenna port in order to adjust the corresponding amplitude level at which the RF output signal is broadcast at the first frequency across a given one of the multiple antennas when it is coupled to the antenna port, the amplitude compensation indicated by the stored antenna compensation information being different at the first frequency for each of the multiple different antennas; and a controller configured to provide a first control signal to the adjustable level circuitry to cause an amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna coupled to the antenna port to be adjusted by the amount indicated by the stored antenna compensation information corresponding to the first antenna for the first frequency so as to set the amplitude of the RF output signal to a first broadcast amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna based on the antenna compensation information; wherein the antenna compensation information is configured to compensate for properties of each given one of the multiple antennas when it is coupled to the antenna port while the RF output signal is being broadcast at the first frequency and wherein the antenna port, the transmitter circuitry, and the controller are at least partially integrated on the same integrated circuit. - View Dependent Claims (27, 28, 29)
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30. A communications system comprising:
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a first antenna; a communications device including; an antenna port coupled to the first antenna; transmitter circuitry configured to broadcast a radio frequency (RF) output signal across the first antenna coupled to the antenna port at a first frequency; stored antenna compensation information corresponding to each given one of multiple different antennas that indicates an amount of amplitude compensation to apply depending on which given one of the multiple antennas is coupled to the antenna port in order to adjust the corresponding amplitude level at which the RF output signal is broadcast at the first frequency across a given one of the multiple antennas when it is coupled to the antenna port, the amplitude compensation indicated by the stored antenna compensation information being different at the first frequency for each of the multiple different antennas; and a controller configured to adjust an amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna coupled to the antenna port by the amount indicated by the stored antenna compensation information corresponding to the first antenna for the first frequency so as to set the amplitude of the RF output signal from a first amplitude level at which the RF output signal is broadcast at the first frequency across the first antenna based on the antenna compensation information; wherein the antenna compensation information is configured to compensate for properties of each given one of the multiple antennas when it is coupled to the antenna port while the RF output signal is being broadcast at the first frequency and wherein the antenna port, the transmitter circuitry, and the controller are at least partially integrated on the same integrated circuit; and an input/output system configured to communicate with the communications device. - View Dependent Claims (31, 32, 33)
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Specification