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UWB millimeter wave up-conversion transmitting device and method

A transmitting device and millimeter wave technology, applied in the field of mobile communication, can solve the problems of inability to achieve a wide range of signal power output, low precision, and insufficiency, and achieve the effects of good out-of-band suppression, high precision, and good practicability

Active Publication Date: 2021-05-04
中电科思仪科技(安徽)有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After the development of 2G, 3G and 4G, mobile communication technology has now entered 5G communication, and the coverage frequency band has also been extended from radio frequency band to millimeter wave, especially the band n257 (26.5GHz~29.5GHz) and band n258 (24.25GHz~24.25GHz) of 5G FR2 27.5GHz), band n260 (37GHz~40GHz), band n261(27.5GHz~28.35GHz), etc., which highlight the importance of millimeter wave technology. The existing ultra-wideband millimeter wave up-conversion transmission schemes cannot achieve large signal Range of power output, the accuracy is not high, can not meet the needs of different occasions

Method used

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  • UWB millimeter wave up-conversion transmitting device and method
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  • UWB millimeter wave up-conversion transmitting device and method

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0032] Such as figure 1 As shown, an ultra-broadband millimeter wave up-conversion transmitting device includes a 90dB digitally controlled attenuator unit ①, a frequency mixing unit ②, various switch filter units, a 90dB coaxial attenuator ⑦, a frequency conversion local oscillator unit ⑧, and an MCU control unit ⑨ ;

[0033] The mixing unit is composed of 6 mixers; each switching filter unit includes a 9GHz~21GHz switching filter unit③, a 20GHz~31GHz switching filter unit④, a 30GHz~47GHz switching filter unit⑤, and a 46GHz~67GHz switching filtering unit⑥;

[0034] Specifically, the 90dB digitally controlled attenuator ① is connected to the first mixer, the second mixer, the third mixer and the fourth mixer through a 4-to-1 switch, and the first mixer is divided into There are two channels, one is connected to the fifth mixer, and the fifth m...

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Abstract

The invention discloses a UWB millimeter wave up-conversion transmitting device and method, and belongs to the field of mobile communication. The device comprises a 90dB numerical control attenuator unit, a frequency mixing unit, switch filtering units, a 90dB coaxial attenuator, a frequency conversion local oscillator unit and an MCU control unit. And each path of switch filtering unit comprises a 9 GHz to 21 GHz switch filtering unit, a 20 GHz to 31 GHz switch filtering unit, a 30 GHz to 47 GHz switch filtering unit and a 46 GHz to 67 GHz switch filtering unit. According to the invention, the input radio frequency signal and the local oscillation signal generated by the frequency conversion local oscillation unit are mixed, the frequency coverage of 5GHz-67GHz is realized in cooperation with a post-stage filter, the large-range and high-precision power control of the final output signal is realized, the path bandwidth is as wide as 2GHz, the out-of-band rejection is good, the power output range is large, the accuracy is high, the universality is good, and the device can be suitable for 5G, B5G and other millimeter wave communication signal transmitters.

Description

technical field [0001] The invention belongs to the field of mobile communication, and more specifically relates to an ultra-wideband millimeter wave signal up-conversion transmitting device and method. Background technique [0002] After the development of 2G, 3G and 4G, mobile communication technology has now entered 5G communication, and the coverage frequency band has also been extended from radio frequency band to millimeter wave, especially the band n257 (26.5GHz~29.5GHz) and band n258 (24.25GHz~24.25GHz) of 5G FR2 27.5GHz), band n260 (37GHz~40GHz), band n261(27.5GHz~28.35GHz), etc., highlighting the importance of millimeter-wave technology, the existing ultra-wideband millimeter-wave up-conversion transmission scheme cannot achieve large signal The range of power output, the accuracy is not high, can not meet the needs of different occasions. Aiming at the actual needs of 5G millimeter wave signal simulation, the present invention proposes an upconversion device from...

Claims

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Application Information

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IPC IPC(8): H04B1/04H04B1/00H03D7/16
CPCH04B1/04H04B1/005H03D7/16H04B2001/0491
Inventor 周建烨刘祖深凌云志铁奎汤瑞赵润年王永梁辉
Owner 中电科思仪科技(安徽)有限公司
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