CN211880628U - Multi-path output system of low intermodulation POI platform - Google Patents
Multi-path output system of low intermodulation POI platform Download PDFInfo
- Publication number
- CN211880628U CN211880628U CN202020619149.9U CN202020619149U CN211880628U CN 211880628 U CN211880628 U CN 211880628U CN 202020619149 U CN202020619149 U CN 202020619149U CN 211880628 U CN211880628 U CN 211880628U
- Authority
- CN
- China
- Prior art keywords
- output
- poi
- combiner
- platform
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Abstract
The utility model discloses a low intermodulation POI platform's multiplexed output system, including combining device, middle conversion equipment and multi output device, the combination subassembly includes a plurality of multichannel inputs combination subassembly, each the multi-channel input combination subassembly respectively with middle conversion equipment's input is connected, multi output device includes a plurality of output assembly, each output assembly respectively with middle conversion equipment's output is connected, and each the output assembly is used for exporting the multichannel signal. The utility model relates to a low intermodulation POI platform's multiplexed output system through closing way device and multiplexed output device, can change into the multiplexed output with two way outputs now to reduce POI output port output signal's total power, reduced passive distribution system reflection intermodulation interference signal intensity, makeed the POI platform can insert more wireless communication systems.
Description
Technical Field
The utility model relates to a mobile communication network multisystem combiner device field especially relates to a multiplexed output system of low intermodulation POI platform.
Background
With the development of mobile communication, the used systems and frequency bands are increasing continuously, and co-construction sharing is gradually becoming the industry trend, but as more high frequency bands and more carriers are used, the total power after combining is also increasing continuously, so that the intermodulation interference is more and more serious. The traditional POI greatly reduces the system performance due to a large amount of uplink intermodulation interference and influences the user perception. The performance of the operator for combining the multiple systems is more and more unsatisfactory, passive indoor distribution application is gradually replaced by digital indoor distribution, and the digital indoor distribution has the problems of high manufacturing cost, difficult maintenance and the like, so that the operator, particularly the iron tower indoor distribution co-construction sharing service in China faces a greater challenge.
However, the output power of the output port of the POI is very large because the existing POI is divided into two paths for covering after being combined at most (as shown in fig. 1), and the passive distribution system behind the POI is difficult to ensure the device quality and the engineering process quality, so that the uplink covering quality of the communication system is seriously affected due to the frequent occurrence of high-reflection intermodulation interference signals.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a multichannel output system of low intermodulation POI platform, through reducing POI output port output signal's total power, reduce passive distribution system reflection intermodulation interference signal intensity for the POI platform can insert more wireless communication systems.
The purpose of the utility model is realized through the following technical scheme:
a multi-output system for a low intermodulation POI platform, comprising: a combining device, a middle conversion device and a multi-path output device,
the combiner assembly comprises a plurality of multi-path input combiner assemblies, each multi-path input combiner assembly is respectively connected with the input end of the intermediate conversion device, the multi-path output device comprises a plurality of output assemblies, each output assembly is respectively connected with the output end of the intermediate conversion device, and each output assembly is used for outputting multi-path signals.
In one embodiment, the multi-input combining component includes a first combiner and a plurality of first input interfaces, each of the first input interfaces is connected to the first combiner, and the first combiner is connected to the intermediate conversion device.
In one embodiment, the first combiner is a pilot frequency combiner.
In one embodiment, the intermediate conversion device is a first bridge, the first bridge includes a plurality of input ends and a plurality of output ends, the input ends of each first bridge are respectively connected to one of the multiple input combining components in a one-to-one correspondence, and the output ends of each first bridge are respectively connected to one of the output components in a one-to-one correspondence.
In one embodiment, the output component includes a first power divider and a plurality of output interfaces, an input end of the first power divider is connected to an output end of the intermediate conversion device, and each of the output interfaces is connected to an output end of the first power divider.
In one embodiment, the first power divider is any one or any combination of a two-power divider, a three-power divider, and a four-power divider.
In one embodiment, the multi-input combining component is any one or any combination of a second combiner, a second bridge.
In one embodiment, the combining component includes four multi-input combining components, two of which are the second combiners, and the other two of which are the second bridges.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a low intermodulation POI platform's multiplexed output system through closing way device and multiplexed output device, can change into the multiplexed output with two way outputs now to reduce POI output port output signal's total power, reduced passive distribution system reflection intermodulation interference signal intensity, makeed the POI platform can insert more wireless communication systems.
The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference.
The utility model discloses a multiple output system's signal loss is little, and all system power except combining all losses when combining, all power all transmit the distribution system on, do not increase meaningless loss.
The utility model discloses a multiple output system's simple structure closes with the same frequency dual mode through the pilot frequency, and the inside complexity and the POI volume weight of minimize POI not only can reduce cost, easy to assemble construction moreover.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a conventional POI platform;
fig. 2 is a schematic structural diagram of a multi-output system of a low intermodulation POI platform according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a multi-output system of a low intermodulation POI platform according to an embodiment;
fig. 4 is a schematic structural diagram of a multi-output system of a low intermodulation POI platform according to another embodiment;
fig. 5 is a schematic structural diagram of a multi-output system of a low intermodulation POI platform according to yet another embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The existing POI is divided into two paths for covering after being combined at most (as shown in figure 1), so that the output power of the output port of the POI is very high, and a passive distribution system behind the POI is difficult to ensure due to the device quality and the engineering process quality, high-reflection intermodulation interference signals often appear, and the uplink covering quality of a communication system is seriously influenced. In order to meet the requirement of a mobile communication multi-system combiner and solve the problem of high-reflection intermodulation interference existing in the conventional mobile communication multi-system passive distribution combiner, a low-intermodulation POI platform is required to be provided. Referring to fig. 2, in an embodiment, a multi-output system of a low intermodulation POI platform includes: the multi-path output device comprises a plurality of output assemblies, each output assembly is respectively connected with the output end of the middle conversion device, and each output assembly is used for outputting multi-path signals. Therefore, the total power of the output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by the passive distribution system is reduced, and the POI platform can be accessed to more wireless communication systems, especially when the 5G communication system is about to be constructed in a large scale. The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference. The utility model discloses a multiple output system's signal loss is little, and all system power except combining all losses when combining, all power all transmit the distribution system on, do not increase meaningless loss. The utility model discloses a multiple output system's simple structure closes with the same frequency dual mode through the pilot frequency, and the inside complexity and the POI volume weight of minimize POI not only can reduce cost, easy to assemble construction moreover.
Referring to fig. 2, a multi-output system of a low intermodulation POI platform includes: a combining device 100, an intermediate conversion device 200 and a multi-output device 300.
It should be noted that the combining device 100 is used for combining wireless radio frequency signals of 11 mobile communication system base stations of three operators in china, and implementing access to a plurality of different-frequency combiners according to a combining and branching manner; the intermediate conversion device 200 is configured to combine all signals of the POI access; the multi-output device 300 is configured to receive the signal fed after being combined by the intermediate conversion device 200, perform multi-path power division on the signal, feed the signal into each output port, and enter a passive distribution system through the output port to complete coverage. Therefore, the existing two-path output can be changed into multi-path output, the total power of output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed into more wireless communication systems.
Referring to fig. 2, the combining component 100 includes a plurality of multi-input combining components 110, each of which is respectively connected to an input terminal of the intermediate converting apparatus, and the multi-output apparatus 300 includes a plurality of output components 310, each of which is respectively connected to an output terminal of the intermediate converting apparatus, and each of which is configured to output a multi-path signal.
Specifically, by setting the multiple-input combining component 110, it is possible to receive wireless radio frequency signals of 11 mobile communication system base stations of three operators in china, then combine the wireless radio frequency signals of the 11 mobile communication system base stations, complete combining of all signals of POI access by the intermediate conversion device 200, feed the combined signals into each output component 310, perform power division by each output component, feed the combined signals into each output port, and enter the passive distribution system through the output ports to complete coverage. Therefore, the existing two-path output can be changed into multi-path output, the total power of output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed to more wireless communication systems.
The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference. The utility model discloses a multiple output system's signal loss is little, and all system power except combining all losses when combining, all power all transmit the distribution system on, do not increase meaningless loss. The utility model discloses a multiple output system's simple structure closes with the same frequency dual mode through the pilot frequency, and the inside complexity and the POI volume weight of minimize POI not only can reduce cost, easy to assemble construction moreover.
It should be noted that the multi-input combining assembly 110 includes a first combiner 111 and a plurality of first input interfaces, each of the first input interfaces is connected to the first combiner, and the first combiner is connected to the intermediate conversion device. Preferably, the first combiner is a pilot frequency combiner.
Further, each of the first input interfaces respectively accesses to wireless radio frequency signals of a base station of the mobile communication system, and the wireless radio frequency signals are fed into the intermediate conversion device 200 for combining after being combined by the first combiner, and are finally divided into multiple paths of signals to be fed into the multi-path output device 300.
Referring to fig. 3, the intermediate conversion device is a first bridge, the first bridge includes a plurality of input ends and a plurality of output ends, the input ends of each first bridge are respectively connected to one of the multiple input combining assemblies in a one-to-one correspondence, and the output ends of each first bridge are respectively connected to one of the output assemblies in a one-to-one correspondence.
It should be noted that the output component 310 includes a first power divider 311 and a plurality of output interfaces, an input end of the first power divider is connected to an output end of the intermediate conversion device, and each of the output interfaces is connected to an output end of the first power divider. Therefore, by arranging the first power divider and the plurality of output interfaces, the existing two-path output can be changed into multi-path output, the total power of output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed into more wireless communication systems.
Referring to fig. 3, 4 and 5, the first power divider is any one or any combination of a two-power divider, a three-power divider and a four-power divider. Therefore, by arranging different power dividers, the output of different output interfaces can be realized, different output powers can be shared, intermodulation interference can be greatly reduced, and the reliability of signals is improved.
It should be noted that the multi-input combining component is any one or any combination of a second combiner and a second bridge. Preferably, the combining component includes four multi-input combining components, two of which are the second combiners, and the other two of which are the second bridges. The first electric bridge and the second electric bridge are same-frequency combiners.
In an embodiment of the present invention, please refer to fig. 3, fig. 3 is a schematic diagram illustrating a principle of implementing a low intermodulation POI device, which includes 11 mobile communication system input interfaces, combiners, bridges, power dividers and output interfaces of three operators in china. The input interface feeds in the high-power signal output by the base station, and the signal is output to the antenna feeder system or the distribution system through the input interface, the combiner, the bridge and the power divider and finally through the output interface.
In this embodiment, the multi-output system includes four combiners, namely, combiner 1, combiner 2, combiner 3 and combiner 4, it can be seen from the figure that three input interfaces of combiner 1 are respectively connected to 806MHz to 880MHz base stations, 885MHz to 890MHz base stations and 1710MHz to 1880MHz telecommunication base stations, that is, wireless radio frequency signals from 806MHz to 880MHz base stations, 885MHz to 890MHz base stations and 1710MHz to 1880MHz telecommunication base stations are received, three input interfaces of combiner 2 are respectively connected to 1710MHz to 1880MHz communication base stations, 1920MHz to 2165MHz telecommunication base stations and 2300MHz to 2675MHz5G base stations, that is, wireless radio frequency signals from 1710MHz to 1880MHz communication base stations, 1920MHz to 2165MHz telecommunication base stations and 2300MHz to 2675MHz5G base stations, three input interfaces of combiner 3 are respectively connected to 1710MHz to 1880MHz mobile base stations, 1920MHz to 2165MHz base stations, 2165MHz communication base stations, The 2515 MHz-2675 MHz5G base station is connected with the 2300 MHz-2390 MHz base station, namely receives the wireless radio frequency signals from the 1710 MHz-1880 MHz mobile base station, the 1920 MHz-2165 MHz communicating base station, the 2515 MHz-2675 MHz5G base station and the 2300 MHz-2390 MHz base station, and the three input interfaces of the combiner 4 are respectively connected with the 2300 MHz-2390 MHz base station, the 2515 MHz-2675 MHz4G base station and the 3400 MHz-3600 MHz5G base station, namely receives the wireless radio frequency signals from the 2300 MHz-2390 MHz base station, the 2515 MHz-2675 MHz4G base station and the 3400 MHz-3600 MHz5G base station.
The output signals of the radio frequency signals combined by the combiner are combined by the electric bridge to complete the combination of all the signals accessed by the POI. In this embodiment, the multi-output system includes four triple power dividers, that is, input ends of the four triple power dividers are respectively connected to the bridge, and each triple power divider has three output interfaces, which are respectively used for outputting a signal after the power division, that is, the signal after the bridge is combined is divided into 12 paths of signals, and the signals enter the passive distribution system through the output ports, so as to complete the coverage.
So, through setting up a plurality of combiners, carry out the combiner when can realizing the feed-in of a plurality of signals, then a plurality of combiners carry out the same frequency combiner through the electric bridge again and export to each three merit and divide the ware in, the rethread three merit divides the ware to feed into the output interface, reentrant passive distribution system in. Therefore, the total power of output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed to more wireless communication systems. The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference.
In another embodiment of the present invention, please refer to fig. 4, fig. 4 is a schematic diagram illustrating a principle of the POI device with low intermodulation according to this embodiment, which includes 11 mobile communication system input interfaces, combiners, bridges, power dividers and output interfaces of three operators in china. The input interface feeds in the high-power signal output by the base station, and the signal is output to the antenna feeder system or the distribution system through the input interface, the combiner, the bridge and the power divider and finally through the output interface.
In this embodiment, different from the previous embodiment, the power divider adopted in this embodiment is a two-power divider, that is, 8 paths of signals are finally output. Similarly, by arranging the two power dividers, the total power of the output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed to more wireless communication systems.
In another embodiment of the present invention, please refer to fig. 5, fig. 5 is a schematic diagram illustrating a principle of implementing a low intermodulation POI device according to this embodiment, which includes an input interface, a first-level combiner or a first-level bridge, a first-level power divider, a second-level combiner, a second-level power divider and an output interface of 11 mobile communication systems of three operators in china. The input interface feeds in the high-power signal output by the base station, and the signal is output to the antenna feed system or the distribution system through the first-stage combiner or the first-stage electric bridge, the first-stage power divider, the second-stage combiner and the second-stage power divider and finally through the output interface. Different from the first embodiment, the front end of the POI uses more stages and more ways to combine, and finally outputs 16 signals.
The intermediate conversion device 200 includes two first-stage power dividers and three second-stage combiners, that is, the first-stage combiner or the first-stage bridge passes through one first-stage power divider and then enters the second-stage power divider through the second-stage combiner, so as to realize multi-path signal output.
Specifically, in this embodiment, the multi-output system includes two first-stage combiners and two first-stage bridges, i.e. combiner 1, bridge 2 and combiner 2, and it can be seen from the figure that two input interfaces of combiner 1 are respectively connected to 806MHz to 880MHz base station and 885MHz to 960MHz base station, that is, receive radio frequency signals from 806MHz to 880MHz base station and 885MHz to 960MHz base station, three input interfaces of bridge 1 are respectively connected to 1710MHz to 1880MHz base station 1, 1710MHz to 1880MHz base station 2 and 1710MHz to 1880MHz base station 3, that is, receive radio frequency signals from 1710MHz to 1880MHz base station 1, 1710MHz to 1880MHz base station 2 and 1710MHz to 1880MHz base station 3, two input interfaces of bridge 2 are respectively connected to 1920MHz to 2165MHz base station 1 and 1920MHz to 2165MHz base station 2, that is, receive radio frequency signals from 1920MHz to 2165MHz base station 1 and 1920MHz to 2165MHz base station 2, the four input interfaces of the combiner 2 are respectively connected with the 2300 MHz-2390 MHz base station, the 2515 MHz-2675 MHz base station, the 3400 MHz-3600 MHz base station and the 4800 MHz-4900 MHz base station, namely receiving wireless radio frequency signals from the 2300 MHz-2390 MHz base station, the 2515 MHz-2675 MHz base station, the 3400 MHz-3600 MHz base station and the 4800 MHz-4900 MHz base station.
After the base station signals are combined by the first-stage combiner (combiner 1 and combiner 2), the base station signals are divided by the first-stage power divider, three feed-in signals are output to enter three second-stage combiners respectively, the three feed-in signals are output to the second-stage power divider after being combined by the second-stage combiners, and 4 radio frequency signals are output to cover the whole antenna feed system or distribution system after being divided by the second-stage power divider. After combining the signals of the base station, the first-stage bridge (bridge 1 and bridge 2) divides the signals into three radio frequency signals with the same frequency, and the three radio frequency signals are respectively fed into the second-stage combiner (combiner 3, combiner 4 and combiner 5), and then are also divided into a plurality of output signals through the second-stage power divider (four power divider 1, four power divider 2, four power divider 3 and four power divider 4), so that the output signals can be covered in the whole antenna feed system or distribution system.
Wireless radio frequency signals of 11 mobile communication system base stations of three operators in China are respectively accessed to a first-level combiner or a first-level electric bridge according to a combining and shunting mode to carry out same-frequency-band combining or different-frequency-band combining with similar frequency; the signal combined by the first-stage combiner is fed into the second-stage combiner after being split by the first-stage power splitter, and the signal combined by the first-stage bridge are directly fed into the second-stage combiner to complete signal combination; the signal combined by the secondary combiner is fed into the secondary power divider, the power divider is fed into the output port by 16 paths of signals, and then the signals enter the passive distribution system through the output port to complete the coverage. So, through setting up a plurality of combiners, carry out the combiner when can realizing the feed-in of a plurality of signals, then a plurality of combiners carry out the same frequency combiner through the electric bridge again and export to each three merit and divide the ware in, the rethread three merit divides the ware to feed into the output interface, reentrant passive distribution system in. Therefore, the total power of output signals of the POI output port is reduced, the intensity of intermodulation interference signals reflected by a passive distribution system is reduced, and the POI platform can be accessed to more wireless communication systems. The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a low intermodulation POI platform's multiplexed output system through closing way device and multiplexed output device, can change into the multiplexed output with two way outputs now to reduce POI output port output signal's total power, reduced passive distribution system reflection intermodulation interference signal intensity, makeed the POI platform can insert more wireless communication systems. The utility model discloses a multichannel output system's intermodulation interference is little, and each communication system is through many times shunts before the output, can reduce by a wide margin the power of assembling of combining the delivery outlet, assembles the power and every reduces 1dB, and the third-order intermodulation of reflection arrives the base station receiver and just reduces 4dB, consequently can reduce by a wide margin the intermodulation interference. The utility model discloses a multiple output system's intermodulation interference is little, and all system power except combining to have some losses when combining, all powers are transmitted to the distribution system on, do not increase meaningless loss. The utility model discloses a multiple output system's simple structure closes with the same frequency dual mode through the pilot frequency, and the inside complexity and the POI volume weight of minimize POI not only can reduce cost, easy to assemble construction moreover.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A multi-output system for a low intermodulation POI platform, comprising: a combining device, a middle conversion device and a multi-path output device,
the combiner assembly comprises a plurality of multi-path input combiner assemblies, each multi-path input combiner assembly is respectively connected with the input end of the intermediate conversion device, the multi-path output device comprises a plurality of output assemblies, each output assembly is respectively connected with the output end of the intermediate conversion device, and each output assembly is used for outputting multi-path signals.
2. The multi-output system of a low intermodulation POI platform of claim 1, wherein the multi-input combining assembly comprises a first combiner and a plurality of first input interfaces, each of the first input interfaces is connected to the first combiner, and the first combiner is connected to the intermediate conversion device.
3. The multi-output system of a low intermodulation POI platform of claim 2 wherein the first combiner is a cross-frequency combiner.
4. The multi-output system of a low intermodulation POI platform of claim 1, wherein the intermediate switching device is a first bridge, the first bridge comprises a plurality of input terminals and a plurality of output terminals, the input terminals of each of the first bridges are respectively connected to one of the multi-input combining components in a one-to-one correspondence, and the output terminals of each of the first bridges are respectively connected to one of the output components in a one-to-one correspondence.
5. The multi-output system of a low intermodulation POI platform of any one of claims 1-4, wherein the output component comprises a first power divider and a plurality of output interfaces, an input terminal of the first power divider is connected to an output terminal of the intermediate conversion device, and each of the output interfaces is connected to an output terminal of the first power divider.
6. The multi-output system of the low intermodulation POI platform of claim 5, wherein the first power divider is any one or any combination of a two-power divider, a three-power divider, and a four-power divider.
7. The multi-output system of low intermodulation POI platform of claim 6, wherein the multi-input combining component is any one or any combination of the second combiner, the second bridge.
8. The multi-output system of low intermodulation POI platform of claim 7, wherein the combining assembly comprises four multi-input combining assemblies, two of which are the second combiners and the other two of which are the second bridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619149.9U CN211880628U (en) | 2020-04-22 | 2020-04-22 | Multi-path output system of low intermodulation POI platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619149.9U CN211880628U (en) | 2020-04-22 | 2020-04-22 | Multi-path output system of low intermodulation POI platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211880628U true CN211880628U (en) | 2020-11-06 |
Family
ID=73251578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020619149.9U Active CN211880628U (en) | 2020-04-22 | 2020-04-22 | Multi-path output system of low intermodulation POI platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211880628U (en) |
-
2020
- 2020-04-22 CN CN202020619149.9U patent/CN211880628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101321330B (en) | Same-frequency band combination and shunt circuit composite unit, apparatus and method | |
| CN102547771B (en) | Multichannel indoor distribution system and signal transmission method thereof | |
| CN206332853U (en) | Mobile communication distributed coverage system | |
| CN106357310B (en) | Multiple input multiple output signal transmission method and system | |
| CN206196066U (en) | Signal transmission system of remote radio head module and applied this module | |
| EP4142046B1 (en) | Distributed antenna system | |
| CN101369818B (en) | Multi-frequency band duplex/simplex switching combiner/divider unit and its method | |
| CN102833010B (en) | A kind of passive intermodulation ameliorative way of base stations in mobile communication system signal | |
| CN210075233U (en) | Communication device | |
| CN217656751U (en) | 5G radio frequency remote device and indoor distribution system | |
| CN209949102U (en) | Low-intermodulation multi-system combiner | |
| CN201323657Y (en) | A multi-system combination platform cable separating apparatus | |
| CN211880628U (en) | Multi-path output system of low intermodulation POI platform | |
| CN211655006U (en) | A multifrequency combiner for 5G | |
| CN101316131A (en) | Multi-system access platform | |
| CN110572833B (en) | Indoor distribution system and network side equipment | |
| CN100388825C (en) | Signal loop device and base-station common antenna-feedback system using same | |
| CN111586702A (en) | Multi-path output system of low intermodulation POI platform | |
| CN115833849A (en) | Self-adaptive transparent transmission type multi-system combiner platform | |
| CN108400789B (en) | Multi-system combiner platform and method for improving inter-modulation of multi-system combiner platform | |
| CN211088462U (en) | Multi-system combiner platform | |
| CN110601732B (en) | Optical fiber distribution high-frequency intelligent double-output system | |
| CN106058401A (en) | LTE point of interface applied to MIMO system | |
| CN110324064B (en) | Low intermodulation multi-system combiner | |
| CN201222729Y (en) | Co-frequency band composite unit and device for mixing and separating line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |