CN114584161A - A 5G indoor terminal antenna monitoring device - Google Patents

Abstract

The present invention provides a 5G room sub-terminal antenna monitoring device, including: an operation management center OMC, a local maintenance terminal OMT, a 5G single-channel frequency-shifted near-end unit (AU), and a 5G single-channel frequency-shifted remote unit (ie, a remote unit). terminal antenna (RU), 5G source; wherein, OMC is connected with the 5G single-channel frequency-shifting near-end machine through a network cable, OMT is connected with the 5G single-channel frequency-shifting near-end machine through the USB/network cable/232 interface, and the 5G single-channel frequency shifting near-end machine is connected. The frequency near-end unit and the 5G single-channel frequency-shifting remote unit are connected through the RF feeder, and the OMT and the 5G single-channel frequency-shifting remote unit are connected through the USB/232 interface. The 5G source is connected to the 5G single-channel frequency-shifted near-end machine through the RF feeder and inputs two channels of 3.5G MIMO signals to it. The invention solves the problem that the end of the antenna cannot be monitored, is helpful for quick troubleshooting, brings convenience to engineering maintenance, and is of great significance.

Description

A 5G indoor terminal antenna monitoring device

technical field

The present invention relates to the field of 5G communication equipment, in particular to a 5G indoor terminal antenna monitoring device.

Background technique

With the large-scale construction of 5G networks, 5G high-frequency bands, short wavelengths, and large signal fading require intensive construction of stations. In indoor substations, there are many traditional indoor substations, and passive components cannot be monitored. It has always been an engineering inspection. maintenance problems.

The number of traditional indoor components is large, and passive components cannot be monitored. Generally, problems are found by complaints or inspections. It is difficult to check every antenna end, and it is difficult to find problems.

SUMMARY OF THE INVENTION

The object of the present invention is achieved through the following technical solutions.

A 5G indoor terminal antenna monitoring device, comprising:

The operation management center OMC, the local maintenance terminal OMT, the 5G single-channel frequency-shifting near-end machine, the 5G single-channel frequency-shifting remote machine, and the 5G signal source; wherein, the OMC and the 5G single-channel frequency-shifting near-end machine are connected by a network cable, The OMT is connected to the 5G single-channel frequency-shifting near-end unit through the USB/network cable/232 interface. The 5G single-channel frequency-shifting near-end unit and the 5G single-channel frequency-shifting remote unit are connected through the RF feeder, and the OMT and the 5G single-channel frequency-shifting remote unit are connected. machine connection.

Further, the 5G signal source is connected to the 5G single-channel frequency-shifting near-end machine through a radio frequency feeder and inputs two channels of 3.5G radio frequency input signals to it.

Further, the 5G single-channel frequency-shifting near-end machine includes a first single-chip microcomputer, a clock synchronization module, a first mixer, and a first multiplexer; wherein, the first single-chip microcomputer, a clock synchronization module, and a first mixer The output end of the first mixer is connected to the input end of the first multiplexer; the output end of the first multiplexer is connected to the second multiplexer in the 5G single-channel frequency-shifting remote unit .

Further, the input end of the first mixer is connected to the first 3.5G radio frequency input signal, and the two output ends of the first mixer are connected to the two input ends of the first multiplexer in a one-to-one correspondence, and output respectively. 1.1G, 1.3G radio frequency signals; the third input end of the first multiplexer is connected to the second 3.5G radio frequency input signal, and the output end of the first multiplexer outputs 1.1G, 1.3G, 3.5G radio frequency output signals.

Further, the 5G single-channel frequency-shifting remote machine includes a second single-chip microcomputer, an FPGA synchronization module, a clock chip, a second mixer, and a second multiplexer; wherein, the second mixer, the second single-chip computer, the clock The chips and the FGPA synchronization modules are connected to each other, and the output end of the second multiplexer is connected to the input end of the second mixer.

Further, the second multiplexer includes three output terminals, respectively outputting 1.1G, 1.3G, and a second channel of 3.5G radio frequency output signals, wherein the 1.1G and 1.3G radio frequency output signals are connected to the second mixer one by one The output of the second mixer outputs the first 3.5G RF output signal.

Further, the OMT is connected with the 5G single-channel frequency-shifting remote unit through a USB/232 interface.

Further, the 5G single-channel frequency-shifted near-end unit supplies power to the 5G single-channel frequency-shifted remote unit by feeding power.

Further, the 5G single-channel frequency-shifted remote unit integrates a dual-polarized antenna.

Further, the POE external power supply mode is used to supply power to the 5G single-channel frequency-shifted remote device.

The advantages of the present invention are:

The invention solves the problem that the end of the antenna cannot be monitored, facilitates quick troubleshooting, brings convenience to engineering maintenance, and is of great significance.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the invention. Also throughout the drawings, the same components are denoted by the same reference numerals. In the attached image:

FIG. 1 shows a schematic diagram of a 5G room sub-terminal antenna monitoring device according to Embodiment 1 of the present invention.

FIG. 2 shows a schematic structural diagram of a 5G single-channel frequency-shifting near-end machine in a 5G room sub-end antenna monitoring device according to Embodiment 1 of the present invention.

FIG. 3 shows a schematic structural diagram of a 5G single-channel frequency-shifted remote unit in a 5G room sub-terminal antenna monitoring device according to Embodiment 1 of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While 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 so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

Glossary

OMC (Operation and Management Center)

OMT (operation&maintenance terminal, local maintenance terminal);

POE (Power Over Ethernet, local area network-based power supply system).

The 5G indoor dual-channel frequency shift system uses the near-end unit to perform frequency shift processing on the incoming 5G signal to the mid-frequency band. After the frequency shift, the signal reaches the remote unit through the indoor passive distribution system, and then performs frequency shift processing to restore it. It is the original 5G signal. This device can upgrade the single-channel passive antenna-feeder distribution system to support 5G 2*2MIMO without changing the existing feeder, so as to improve the user's rate experience and enhance the operator's network competitiveness. The remote unit adopts an active solution, which is integrated with the traditional indoor antenna. The position of each remote antenna can be set through OMT, and the status of the remote antenna equipment can be clearly controlled.

Example 1

As shown in FIG. 1, according to Embodiment 1 of the present invention, a 5G indoor terminal antenna monitoring device is proposed, including:

The operation management center OMC, the local maintenance terminal OMT, the 5G single-channel frequency-shifted near-end unit (AU), the 5G single-channel frequency-shifted remote unit (ie, the remote antenna RU), and the 5G signal source; wherein, the OMC and the 5G The single-channel frequency-shifting near-end unit is connected by a network cable, the OMT and the 5G single-channel frequency-shifting near-end unit are connected through the USB/network cable/232 interface, and the 5G single-channel frequency-shifting near-end unit and 5G single-channel frequency-shifting remote unit are connected through the RF feeder Connect, OMT and 5G single-channel frequency-shifting remote machine are connected through USB/232 interface. The 5G source is connected to the 5G single-channel frequency-shifted near-end machine through the RF feeder and inputs two channels of 3.5G MIMO signals to it.

The 5G indoor terminal antenna monitoring device of the present invention takes 3.5G as an example. It processes two high-frequency 3.5G MIMO signals through a frequency-shifted near-end unit (AU), and shifts the frequency to 1.1G and 1.3G intermediate frequency signals. , transmit two channels of MIMO intermediate frequency signals through a single feeder, and restore the received intermediate frequency signals to two channels of 3.5G MIMO high-frequency signals at the remote active antenna (RU).

OMC remote monitoring supports TCP/IP, GPRS, 4G transmission or SMS, and supports query and operation of system functions and parameters. The frequency-shifting near-end machine supports SMS, GPRS and 4G; RJ45 network port; RS232 serial transmission mode; SMS sending mode; can query and operate system functions and parameters. The remote antenna supports NR two-way downlink output power detection; NR two-way power balance alarm; equipment power failure alarm; system standing wave detection alarm; radio frequency circuit fault alarm; equipment temperature abnormality alarm;

As shown in FIG. 2 , it is a structure of a frequency-shifted near-end unit AU according to an embodiment of the present invention, and FIG. 3 is a structure of an active remote unit RU.

The 5G single-channel frequency-shifting near-end machine includes a first single-chip microcomputer, a clock synchronization module, a first mixer, and a first multiplexer; the first mixer is connected to the first channel of 3.5G radio frequency input signal, and is connected to the first single-chip microcomputer, The clock synchronization module, the two output ends of the first mixer are connected to the two input ends of the first multiplexer in a one-to-one correspondence, respectively outputting 1.1G and 1.3G radio frequency signals; the third input end of the first multiplexer Connect the second 3.5G RF input signal, and the output end of the first multiplexer is connected to the second multiplexer in the 5G single-channel frequency-shifting remote unit, and outputs 1.1G, 1.3G, and 3.5G RF output signals. The first single-chip microcomputer is also connected to the clock synchronization module.

The 5G single-channel frequency-shifting remote machine includes a second single-chip microcomputer, an FPGA synchronization module, a clock chip, a second mixer, and a second multiplexer; the second multiplexer includes three output terminals, respectively outputting 1.1G and 1.3G , The second channel of 3.5G radio frequency output signals, of which 1.1G and 1.3G radio frequency output signals are connected to the two input ends of the second mixer one by one. The second mixer, the second single-chip microcomputer, the clock chip, and the FGPA synchronization module are connected to each other, and the output end of the second mixer outputs the first 3.5G radio frequency output signal.

It should be noted that in this embodiment 1, the 5G single-channel frequency-shifting near-end unit supplies power to the 5G single-channel frequency-shifting remote unit through power feed, or uses POE external power supply to supply power to the 5G single-channel frequency-shifting remote unit.

The 5G single-channel frequency-shifted remote unit integrates dual-polarized antennas.

The FPGA synchronization module, the clock synchronization module, the clock chip, and the single-chip microcomputer in the present invention can adopt various implementation modes such as chip, single-chip microcomputer, FPGA, and detection circuit. It is not repeated here.

In the present invention, an active solution is adopted at the end of the antenna, and a new type of remote antenna is formed by combining a traditional room-divided passive antenna and a remote active radio frequency host. The remote antenna can be monitored and viewed through OMT in the entire network, and faults can be reported in time, which improves the visibility and maintainability of the room network.

It should be noted:

In the description provided herein, numerous specific details are set forth. It will be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it is to be understood that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together into a single embodiment, figure, or its description. This disclosure, however, should not be construed as reflecting an intention that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art will understand that the modules in the device in the embodiment can be adaptively changed and arranged in one or more devices different from the embodiment. The modules or units or components in the embodiments may be combined into one module or unit or component, and further they may be divided into multiple sub-modules or sub-units or sub-assemblies. All features disclosed in this specification (including accompanying claims, abstract and drawings) and any method so disclosed may be employed in any combination unless at least some of such features and/or procedures or elements are mutually exclusive. All processes or units of equipment are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that although some of the embodiments described herein include certain features, but not others, included in other embodiments, that combinations of features of different embodiments are intended to be within the scope of the invention within and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-described embodiments illustrate rather than limit the invention, and that alternative embodiments may be devised by those skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In the unit claim enumerating several systems, several of these systems can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. do not denote any order. These words can be interpreted as names.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Substitutions should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A5G room branch end antenna monitoring device, characterized by comprising:

the system comprises an operation management center OMC, a local maintenance terminal OMT, a 5G single-path frequency shift near-end machine, a 5G single-path frequency shift far-end machine and a 5G information source; the OMC is connected with the 5G single-path frequency shift near-end machine through a network cable, the OMT is connected with the 5G single-path frequency shift near-end machine through a USB/network cable/232 interface, the 5G single-path frequency shift near-end machine is connected with the 5G single-path frequency shift far-end machine through a radio frequency feeder line, and the OMT is connected with the 5G single-path frequency shift far-end machine.

2. The device for monitoring a 5G chamber branch end antenna according to claim 1,

the 5G information source is connected with the 5G single-path frequency shift near-end machine through a radio frequency feeder and inputs two paths of 3.5G radio frequency input signals to the 5G single-path frequency shift near-end machine.

3. A5G room terminal antenna monitoring device according to claim 1 or 2,

the 5G single-path frequency shift near-end machine comprises a first single chip microcomputer, a clock synchronization module, a first frequency mixer and a first multifunctional device; the first single chip microcomputer, the clock synchronization module and the first frequency mixer are connected with each other pairwise, and the output end of the first frequency mixer is connected with the input end of the first multiplexer; the output end of the first multiplexer is connected with a second multiplexer in the 5G single-path frequency shift remote terminal.

4. A5G room branch end antenna monitoring device according to claim 3,

the input end of the first frequency mixer is connected with a first path of 3.5G radio frequency input signal, and two output ends of the first frequency mixer are correspondingly connected with two input ends of a first multiplexer one by one and respectively output 1.1G and 1.3G radio frequency signals; the third input end of the first multiplexer is connected with the second path of 3.5G radio frequency input signals, and the output end of the first multiplexer outputs 1.1G, 1.3G and 3.5G radio frequency output signals.

5. A5G room branch end antenna monitoring device according to claim 4,

the 5G single-path frequency shift remote terminal comprises a second single chip microcomputer, an FPGA synchronous module, a clock chip, a second frequency mixer and a second multiplexer; the second mixer, the second single chip microcomputer, the clock chip and the FGPA synchronous module are connected with each other pairwise, and the output end of the second multifunctional device is connected with the input end of the second mixer.

6. A5G room branch end antenna monitoring device according to claim 5,

the second multiplexer comprises three output ends which respectively output 1.1G, 1.3G and a second path of 3.5G radio frequency output signals, wherein the 1.1G and 1.3G radio frequency output signals are connected with two input ends of the second frequency mixer one by one, and the output end of the second frequency mixer outputs the first path of 3.5G radio frequency output signals.

7. A5G room terminal antenna monitoring device according to claim 1 or 2,

and the OMT is connected with the 5G single-path frequency shift remote terminal through a USB/232 interface.

8. A5G chamber divided end antenna monitoring apparatus according to claim 1 or 2,

and the 5G single-path frequency shift near-end machine supplies power to the 5G single-path frequency shift far-end machine through feeding.

9. A5G room terminal antenna monitoring device according to claim 1 or 2,

and the 5G single-path frequency shift remote terminal integrates a dual-polarized antenna.

10. A5G room terminal antenna monitoring device according to claim 1 or 2,

and a POE external power supply mode is adopted to supply power to the 5G single-path frequency shift remote terminal.

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