Signal Processing Chip and Communications Device
AssigneeHuawei Technologies Co., Ltd.
InventorsXiaoyue He, Shengsen Wang, Xinjia Tian, Li Zhang
Life of this patent
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Abstract
A signal processing chip includes: a receiving module, configured to receive a WLAN analog baseband signal from a baseband chip; an analog-to-digital conversion module, configured to convert the WLAN analog baseband signal into a WLAN digital baseband signal; a processing module, configured to process the WLAN digital baseband signal into a WLAN analog intermediate frequency signal; and a sending module, configured to send the WLAN analog intermediate frequency signal to a radio frequency processing apparatus.
Claims20
A signal processing chip comprising:
- a receiver configured to receive a wireless local area network (WLAN) analog baseband signal from a baseband chip;
- an analog-to-digital converter (ADC) coupled to the receiver and configured to convert the WLAN analog baseband signal into a WLAN digital baseband signal;
- a processor coupled to the ADC and configured to process the WLAN digital baseband signal to obtain a WLAN analog intermediate frequency signal;
- and
- a transmitter coupled to the processor and configured to send the WLAN analog intermediate frequency signal to a radio frequency processing apparatus.
A signal processing chip comprising:
- a receiver configured to receive a wireless local area network (WLAN) analog intermediate frequency signal from a baseband processing apparatus;
- a processor coupled to the receiver and configured to process the WLAN analog intermediate frequency signal to obtain a WLAN digital baseband signal;
- a digital-to-analog converter (DAC) coupled to the processor and configured to convert the WLAN digital baseband signal into a WLAN analog baseband signal;
- and
- a transmitter coupled to the DAC and configured to send the WLAN analog baseband signal to a radio frequency chip.
A communications device comprising:
- a baseband processing apparatus comprising:
- a baseband chip configured to pass a wireless local area network (WLAN) analog baseband signal;
- and
- a first signal processing chip comprising:
- a first receiver configured to receive the WLAN analog baseband signal from the baseband chip;
- an analog-to-digital converter (ADC) configured to convert the WLAN analog baseband signal into a first WLAN digital baseband signal;
- a first processor configured to process the first WLAN digital baseband signal to obtain a WLAN analog intermediate frequency signal;
- and
- a first transmitter configured to send the WLAN analog intermediate frequency signal;
- a radio frequency processing apparatus connected to the baseband processing apparatus and comprising:
- a second signal processing chip comprises:
- a second receiver configured to receive the WLAN analog intermediate frequency signal from the first transmitter;
- a second processor configured to process the WLAN analog intermediate frequency signal to obtain a second WLAN digital baseband signal;
- a second digital-to-analog converter (DAC) configured to convert the second WLAN digital baseband signal into a WLAN analog baseband signal;
- and
- a second transmitter configured to send the WLAN analog baseband signal;
- a radio frequency chip configured to convert the WLAN analog baseband signal into a WLAN radio frequency signal;
- and
- an antenna coupled to the radio frequency processing apparatus and configured to transmit the WLAN radio frequency signal.
Dependencies are inferred from the claim text.