High-dynamic high-sensitivity broadband receiver with self-adaptive interference suppression

Abstract

The invention discloses a high-dynamic high-sensitivity broadband receiver with self-adaptive interference suppression. The broadband receiver includes an FPGA digital processing module, a main channel receiving module and at least one interference scanning receiving module; the FPGA digital processing module controls the interference scanning receiving module to perform rapid scanning and obtain a single or a plurality of interference frequency points having the maximum influence on receiving performance, and tunes a suppression frequency band of the main channel receiving module so as to enable the main channel receiving module to maximally suppress dynamically varying out-of-band interference; the main channel receiving module tunes a passband and poles according to a control signal sent by the FPGA digital processing module; and the interference scanning receiving module is used for performing scanning in a full frequency band, locking the strongest interference, and providing interference frequency points and amplitude for the FPGA digital processing module. The high-dynamic high-sensitivity broadband receiver with self-adaptive interference suppression can dynamically track interference and accurately suppress interference, thereby greatly improving receiver performance under dynamic interference.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a high-dynamic and high-sensitivity broadband receiver for self-adaptive interference suppression. Background technique [0002] With the popularization and development of mobile communication networks, frequency bands are becoming more and more crowded. For civil aircraft, communication equipment is more concentrated, and the transmission power is much larger than that of ground mobile communication base stations. Wireless signals of various systems inevitably interfere with each other. Facing an increasingly complex wireless environment. Traditional receivers work in fixed frequency bands and can only suppress static interference with fixed frequency points and stable strength. However, when the wireless environment changes during the flight, the interference changes dynamically, and the traditional receiver cannot effectively suppress the strong out-of-band interference, c...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-dynamic and high-sensitivity broadband receiver with adaptive interference suppression, so as to solve the problem that traditional receivers cannot effectively suppress strong out-of-band interference when encountering changes in the wireless environment, causing blocking, resulting in The problem of decreased sensitivity

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