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Anti-blocking receiver, receiver control method and device

A receiver and signal-to-noise ratio technology, applied in the transmission system, electrical components, etc., can solve the problems of large volume and high manufacturing cost, achieve the effect of reducing volume and manufacturing cost, improving linearity and anti-blocking performance

Active Publication Date: 2021-08-31
BEIJING XIAOMI PINECONE ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of this disclosure is to provide an anti-blocking receiver, receiver control method and device to solve the problems of large volume and high manufacturing cost caused by the external filter added for anti-blocking

Method used

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  • Anti-blocking receiver, receiver control method and device
  • Anti-blocking receiver, receiver control method and device
  • Anti-blocking receiver, receiver control method and device

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Embodiment Construction

[0049] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0050] figure 1 is a schematic diagram of an anti-blocking receiver according to an exemplary embodiment, such as figure 1As shown, the anti-blocking receiver 100 includes: a radio frequency front end 101, an analog filter 102, a PGA (English: Programmable Gain Amplifier, Chinese: Programmable Gain Amplifier) ​​103, an ADC (English: Analog-to-Digital Converter, Chinese: analog digita...

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Abstract

The present disclosure relates to an anti-blocking receiver, a control method and device for the receiver. The receiver includes: a radio frequency front-end, an analog filter, a PGA, an ADC and an RSSI detection module, and the input end of the radio-frequency front-end is used as the input of the anti-blocking receiver The output of the ADC is used as the output of the anti-blocking receiver, the output of the anti-blocking receiver is connected to the baseband processor, the output of the RF front-end is connected to the input of the analog filter, and the output of the analog filter is connected to the PGA The input end of the PGA is connected to the input end of the ADC, the input end of the RSSI detection module is respectively connected to the input end and output end of the analog filter, the output end of the RSSI detection module is connected to the input end of the ADC, and the RSSI detection module is connected to the input end of the ADC. The module is used to detect the signal strength of the input signal and output signal of the analog filter for the baseband processor to control the gain of the RF front end. The anti-blocking performance of the receiver can be improved, and the volume and manufacturing cost of the receiver can be reduced at the same time.

Description

technical field [0001] The present disclosure relates to the technical field of wireless communication, and in particular, to an anti-blocking receiver, a method and a device for controlling the receiver. Background technique [0002] With the continuous development of mobile communication technology, the Internet of Everything that interconnects people and things, and between things and things has begun to integrate into people's lives. Narrow Band Internet of Things (NB-IoT) An important branch of the Internet of Things, it has the advantages of wide coverage, large number of supported connections, low power consumption and low cost, so it has been widely used. In order to improve the noise figure of the NB-IoT receiver, the gain of the RF front-end is usually set to the maximum, which will cause the linearity of the RF front-end to deteriorate and the anti-blocking ability to decline. Therefore, for the problem of large signal blocking, it is usually to add an external f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/16H04B1/10
CPCH04B1/1027H04B1/16
Inventor 林晓詹松龄
Owner BEIJING XIAOMI PINECONE ELECTRONICS CO LTD