Universal radio card for wireless devices
First Claim
Patent Images
1. A multi-band wireless system, comprising:
- a wireless device comprising;
an application processor configured to output a data signal;
an antenna configured to transmit a wireless signal comprising a first amplified radio-frequency (RF) signal;
a first electric interface in communication with the application processor;
a second electric interface in communication with the antenna; and
a detachable radio card configured to be mounted in contact with the first and second electric interfaces, the detachable radio card comprising;
a base band processor configured to receive the data signal via the first electric interface from the application processor and to output a modulated signal;
a radio-frequency (RF) transceiver configured to receive the modulated signal and output a first RF signal in a first frequency band or a second frequency band;
a multi-band power amplifier module configured to amplify the first RF signal to produce the first amplified RF signal in the first frequency band or the second frequency band and to send the first amplified RF signal via the second electric interface to the antenna for wireless transmission via the antenna; and
a radio controller configured to control the RF transceiver and the multi-band power amplifier module to select the first frequency band or the second frequency band, wherein the radio controller is configured to send a linearity control signal to the multi-band power amplifier module to control linearity of the first amplified RF signal.
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Abstract
A multi-band wireless system includes a wireless device and a detachable radio card. The wireless device includes an application processor, an electric interface, and an antenna. The detachable radio card can be mounted onto the electric interface. The detachable radio card includes a base band processor, a radio-frequency transceiver, a multi-band power amplifier module, and a radio controller.
38 Citations
25 Claims
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1. A multi-band wireless system, comprising:
a wireless device comprising; an application processor configured to output a data signal; an antenna configured to transmit a wireless signal comprising a first amplified radio-frequency (RF) signal; a first electric interface in communication with the application processor; a second electric interface in communication with the antenna; and a detachable radio card configured to be mounted in contact with the first and second electric interfaces, the detachable radio card comprising; a base band processor configured to receive the data signal via the first electric interface from the application processor and to output a modulated signal; a radio-frequency (RF) transceiver configured to receive the modulated signal and output a first RF signal in a first frequency band or a second frequency band; a multi-band power amplifier module configured to amplify the first RF signal to produce the first amplified RF signal in the first frequency band or the second frequency band and to send the first amplified RF signal via the second electric interface to the antenna for wireless transmission via the antenna; and a radio controller configured to control the RF transceiver and the multi-band power amplifier module to select the first frequency band or the second frequency band, wherein the radio controller is configured to send a linearity control signal to the multi-band power amplifier module to control linearity of the first amplified RF signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A multi-band wireless system, comprising:
a wireless device comprising; an application processor configured to output a data signal; an antenna configured to transmit a wireless signal comprising a first amplified radio -frequency (RF) signal; a first electric interface in communication with the application processor;
a second electric interface in communication with the antenna; anda detachable radio card configured to be mounted in contact with the first and second electric interfaces, the detachable radio card comprising; a base band processor configured to receive the data signal via the electric interface from the application processor and to output a modulated signal; a radio-frequency (RF) transceiver configured to receive the modulated signal and output a first RF signal in a first frequency band or a second frequency band; a multi-band power amplifier module configured to amplify the first RF signal to produce the first amplified RF signal in the first frequency band or the second frequency band and to send the first amplified RF signal via the second electric interface to the antenna for wireless transmission via the antenna; a multi-band filter comprising a first selectable narrow-band filter and a second selectable narrow-band filter, wherein the first selectable narrow-band filter is configured to pass the first amplified RF signal in the first frequency RF band, wherein the second selectable narrow-band filter is configured to pass the second amplified RF signal in the second frequency RF band; and a radio controller configured to control the RF transceiver, the multi-band power amplifier module, and the multi-band filter to select the first frequency band or the second frequency band, wherein the radio controller is configured to send a linearity control signal to the multi-band power amplifier module to control linearity of the first amplified RF signal. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A multi-band wireless system, comprising:
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a wireless device, comprising; an application processor configured to output a data signal; and a first antenna configured to transmit a short-range wireless signal in response to the data signal; and a radio card, comprising; a second antenna configured to receive the short-range wireless signal; a base band processor in communication with the second antenna, the base band processor being configured to output a modulated signal in response to the data signal extracted from the short-range wireless signal; a radio-frequency (RF) transceiver configured to output a first RF signal in a first frequency band or a second frequency band in response to the modulated signal; a multi-band power amplifier module configured to amplify the first RF signal and to produce a first amplified RF signal in the first frequency band or the second frequency band; a radio controller configured to control the RF transceiver and the multi-band power amplifier module to select the first frequency band or the second frequency band, wherein the radio controller is configured to send a linearity control signal to the multi-band power amplifier module to control linearity of the first amplified RF signal; and a third antenna configured to transmit a wide-range wireless signal comprising the first amplified RF signal. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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Specification