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High-quality and fast-frequency-hopping TDD wireless transceiving system

A wireless transceiver system, high-quality technology, used in transmission systems, electrical components, etc., can solve the problem of no near-far effect in frequency hopping systems, and achieve the effect of fast frequency-cutting output and stable output

Pending Publication Date: 2019-04-12
HUNAN GAOKE ELECTRONICS TECH
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AI Technical Summary

Problems solved by technology

Frequency hopping system has no obvious near-far effect

Method used

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  • High-quality and fast-frequency-hopping TDD wireless transceiving system

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] see figure 1 , the present invention provides a technical solution: a high-quality, fast frequency hopping TDD wireless transceiver system, comprising a baseband signal processing module 1, a first frequency synthesis module 2 and a second frequency synthesis module 3, the baseband signal processing module 1 transmitting end and the output end are respectively connected to the transmitter circuit mixer 4 and the receiver circuit mixer 5, and the positio...

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Abstract

The invention discloses a high-quality and fast-frequency-hopping TDD wireless transceiving system. The system comprises a baseband signal processing module, a first frequency synthesis module and a second frequency synthesis module; the transmitting end and the output end of the baseband signal processing module are connected to a transmitting circuit frequency mixer and a receiving circuit frequency mixer respectively; a first radio-frequency switch is arranged between the first frequency synthesis module and the second frequency synthesis module; and the input selection end of the first radio-frequency switch is electrically connected with the first frequency synthesis module and the second frequency synthesis module. The invention relates to the technical field of wireless communication systems, in particular to the high-quality and fast-frequency-hopping TDD wireless transceiving system. While one frequency synthesizer module works, the other frequency synthesizer module can enteranother frequency point working state in advance, and when ready, a path is switched by controlling the radio-frequency switch, thereby achieving the purposes of quickly switching a frequency and stably outputting a local oscillator signal.

Description

technical field [0001] The invention relates to the technical field of wireless communication systems, in particular to a high-quality, fast frequency-hopping TDD wireless transceiver system. Background technique [0002] Frequency hopping communication is a kind of spread spectrum communication, which is mainly used in military communication, such as tactical frequency hopping radio, anti-jamming, etc., and is rapidly penetrating into civil communication, such as mobile communication, data transmission, wireless local area network. [0003] Frequency hopping is to use the spread spectrum code sequence to carry out frequency shift keying modulation, so that the carrier frequency continuously hops. Frequency hopping communication has anti-jamming and anti-interception capabilities, and can share frequency resources. Using the fast hopping of the carrier frequency, it has the function of frequency diversity, so that the system has the ability to resist multipath fading. The ...

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Application Information

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IPC IPC(8): H04B1/40H04B1/7136
CPCH04B1/40H04B1/7136
Inventor 黄东刘华朱晓瑜黄硕辉黄启
Owner HUNAN GAOKE ELECTRONICS TECH
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