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A Digital Microwave Remote System

A digital microwave and remote technology, applied in the transmission system, electrical components, etc., can solve the problems of mutual interference between transmission and reception, received signal interference, mutual interference, etc., to ensure reliable transmission, strong radio wave diffraction ability, small equipment cost effect

Active Publication Date: 2016-05-25
CHENGDU RUIXIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Secondly, a common problem in existing remote microwave systems is the mutual interference between transmission and reception, that is, the transmitted signal is re-received by the receiving antenna, which will cause serious interference to the actual received signal. The general solution is Set sufficient isolation between transmit and receive
However, when the remote microwave system is miniaturized, the mutual interference problem will become more and more serious

Method used

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  • A Digital Microwave Remote System
  • A Digital Microwave Remote System
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Embodiment Construction

[0031] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0032] According to the embodiment of the present invention, a digital remote microwave system is proposed, as shown in the attached figure 1 As shown, the system includes:

[0033] The ultra-high frequency microwave transceiver unit is used for transmitting and receiving microwave signals and works in the ultra-high frequency band; and

[0034] The mutual interference canceling unit is used for canceling the mutual interference o...

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Abstract

The invention relates to a digital microwave remote system. The digital microwave remote system works on an ultrahigh frequency band, is high in electric wave diffraction capacity, and can not only meet the long-distance BVR (beyond visual range) communication demand at a low equipment cost but also guarantee reliable information transmission under a BVR transmission variable-parameter channel. According to the digital microwave remote system, feedback compensation can be achieved without estimating the channel, and the practicability is high under a fast time-varying channel condition.

Description

technical field [0001] The invention relates to the field of microwave communication, in particular to a digital remote microwave system. Background technique [0002] At present, there is a communication dead zone under the influence of the ionosphere in short-wave communication, and the communication distance of radio stations generally does not exceed 30km, while satellite communication cannot be used in large quantities due to its high cost. Low-cost, portable, flexible and versatile communication devices are attracting more and more people's attention. Therefore, developing miniaturized, lightweight, and low-cost portable devices to solve medium and short-distance wireless information transmission has long been a communication problem that needs to be solved urgently. [0003] First of all, in the existing remote microwave system, the circuits among the units are independent, and are connected with each other by cables, which makes the remote microwave system larger in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/525
Inventor 徐春艳周小正
Owner CHENGDU RUIXIN TECH
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