CN211088462U - Multi-system combiner platform - Google Patents
Multi-system combiner platform Download PDFInfo
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- CN211088462U CN211088462U CN201921688489.0U CN201921688489U CN211088462U CN 211088462 U CN211088462 U CN 211088462U CN 201921688489 U CN201921688489 U CN 201921688489U CN 211088462 U CN211088462 U CN 211088462U
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Abstract
The utility model discloses a multi-system combiner platform, which comprises a primary pilot frequency combiner part, a secondary common frequency combiner part and a transmission line part, wherein the primary pilot frequency combiner part, the secondary common frequency combiner part and the transmission line part adopt an integrated structure and share a cavity; the first-stage pilot frequency combiner part is divided into two eight-port combiners, and the common ports of the two eight-port combiners are positioned on the same side; the same-frequency combiner part is positioned at one side of a common port of the two first-stage pilot frequency combiners; the transmission line part adopts a strip line structure. The beneficial effects of the utility model reside in that, it is littleer to adopt the integral structure loss, and the size is littleer, and the performance is more stable.
Description
Technical Field
The utility model relates to a multisystem combiner platform belongs to microwave radio frequency communication technical field.
Background
Before an iron tower company is established, when operators of China Mobile, China telecom and China Unicom establish a base station, the operators need to independently establish own coverage systems, and the coverage systems of all the operators are basically the same. In order to avoid repeated construction of the coverage system by each operator and realize co-construction and sharing of resources, the state establishes an iron tower company, integrates the resources of the three operators, constructs a set of coverage system, realizes the co-construction of the three operators and saves the resources. The multi-system combiner Platform (POI) just meets the requirement of iron tower companies on system co-construction sharing, and a product produced by the company combines the frequency bands and the requirements of three suppliers to realize multi-system co-construction sharing. Mobile communication has now gone through 2G, 3G and 4G phases, and 5G systems are also being built. With the issue of national 5G license plates, the 5G system skips the trial operation in China and is directly used for business, and 2019 becomes the original year of 5G construction in China. The 5G network is built and applied on a large scale in China, and people's life is about to enter a more convenient and faster Internet of things era. When a 5G system is built, upgrading and reconstruction or reconstruction of some original systems are inevitably carried out by using original 2G, 3G and 4G networks of operators and a novel POI (point of interest) which is fused with the 5G network (multi-system combiner platform). The utility model discloses a 16 types of going into of 5G system 2 integration POI (multisystem combiner platform) adopts integrated structural design, and the appearance is compact pleasing to the eye, and the stable performance is reliable, has included three operators 2G, 3G, 4G, 5G's almost all frequency channels simultaneously, must will play important role on the platform of national construction 5G system.
Disclosure of Invention
The technical purpose of the utility model is to provide a multisystem combiner platform.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:
a multi-system combiner platform comprises a primary pilot frequency combiner part, a secondary same-frequency combiner part and a transmission line part, wherein the primary pilot frequency combiner part, the secondary same-frequency combiner part and the transmission line part adopt an integrated structure and share a cavity; the first-stage pilot frequency combiner part is divided into two eight-port combiners, and the common ports of the two eight-port combiners are positioned on the same side; the same-frequency combiner part is positioned at one side of a common port of the two first-stage pilot frequency combiners; the transmission line part adopts a strip line structure.
As a preferred scheme, the frequency band of the same-frequency combining part is 800-3700 MHz.
As a preferred scheme, the 16 frequency bands of the multi-system combiner platform include six ports of 2G, 3G, 4G, and 5G in china mobile, five ports of 2G, 3G, 4G, and 5G in china telecom, and five ports of 2G, 3G, 4G, and 5G in china Unicom.
Preferably, the mobile 5G band 2575-.
Preferably, the telecommunication 5G frequency band 3400-.
Preferably, the said 5G band is 3500-3600MHz, which can be changed to TD L TE band 2555-2575 MHz.
The beneficial effects of the utility model reside in that, compare in traditional multi-system combiner platform, adopt quick-witted case type structure and the multi-purpose radio frequency coaxial cable of inner part to connect more, coaxial cable itself has the loss, and the coaxial cable quantity of connection is more, and the complete machine loss is big more, and the intermodulation interference of introducing is also poor more. The utility model discloses an integrated structure, one-level and second-stage combiner close as an organic wholely through third level wide band electric bridge (the frequency channel is 800 types 3700 MHz), make a cavity, remove the transmission line between one-level and the second grade, make 50 ohm stripline structures (basically not producing the loss) with the final transmission line that needs, make the complete machine loss littleer, the size is littleer, the performance is more stable. Not only almost all frequency bands of 2G, 3G and 4G of the existing mobile communication, even 5G system frequency bands of China Mobile, China telecom and China Unicom are all fused together, the combining bandwidth is 800 plus 3700MHz, and most frequency bands of the mobile communication are almost covered, so that miniaturization and intensification are realized. Meanwhile, in the existing 5G system, the mobile TDD2.6G frequency band 2575-2635MHz can be changed into 2515-2675MHz, the telecommunication 3.5G frequency band 3400-3500MHz can be changed into the telecommunication TDD2.6G frequency band 2635-2655MHz, and the changed mobile 5G port and the telecommunication 5G port are exchanged; the communicated 3.5G frequency range of 3500-3600MHz can be changed into the communicated TDD2.6G frequency range of 2555-2575MHz, so that the frequency specified by the national 5G license plate and the early TDD2.6G can be switched with each other, and the 5G system can be conveniently upgraded. The method has important significance in the large environment of 5G base station construction under the condition that the 5G system in China is upgraded and modified.
Drawings
Fig. 1 is a front view of the cover removing plate of the present invention.
Fig. 2 is the front cavity elevation view of the one-level pilot frequency combiner of the utility model.
Fig. 3 is the utility model discloses one-level pilot frequency closes way reverse side cavity elevation.
Fig. 4 is the second-stage same-frequency combining bridge portion front view of the present invention.
Wherein, 1 is a first eight-port combiner part of the first-stage pilot frequency combiner; 2 is a second eight-port combiner part of the first-stage pilot frequency combiner; 3 is a two-stage same-frequency combining part (bridge part); and 4 is a final transmission line portion.
5 is an input port of a GSM 1800/L TE FDD1.8G communicating 2G and 4G systems with frequency band 1735 + 1765&1830 + 1860MHz, 6 is an input port of a WCDMA2100 communicating 3G system with frequency band 1940 + 1980&2130 + 2170MHz, 7 is an input port of a TDF moving 3G system with frequency band 1885 + 1915MHz, 8 is an input port of a TDA moving 3G system with frequency band 2010 + 2025MHz, 9 is an input port of a GSM900 moving 2G system with frequency band 889 + 909&934 + 954MHz, 10 is an input port of a TD L TE2.3G communicating 4G system with frequency band 2300 + 2320MHz 8655, 11 is an input port of a TD L TE2.3G communicating 4G system with frequency band 2370 + 2390MHz, 12 is an input port of a GSM 5G system with frequency band 188909 & 909, 3500MHz, 13 is an input port of a first combiner of a first stage of a different-frequency combiner with frequency band 631800 combiner, 12 is an input port of a GSM90 MHz, 12 is an input port of a GSM 5G system with frequency band 400, 12 is an input port of a GSM 19, a GSM 19 is an input port of a GSM 19, a GSM 19 and a GSM 19 is an input port of a GSM 19, a GSM 19 and a GSM 19, a GSM 19 is an input port of a GSM 19, a.
25 is a main strip line of a two-stage same-frequency combiner (bridge part, the frequency band is 800-3700 MHz); 26 is the sub-strip line (coupling strip line) of the two-stage same-frequency combiner (bridge part); 27 is one input terminal of the bridge, 28 is the other input terminal of the bridge; 29 is one output of the bridge and 30 is the other output of the bridge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A multi-system combining platform comprises a primary pilot frequency combining part, a secondary same-frequency combining part (an electric bridge part) and a transmission line part, wherein the primary pilot frequency combining part, the secondary same-frequency combining part (the electric bridge part with the frequency band of 800-3700 MHz) and the transmission line part adopt an integrated structure and share a cavity. The first-stage pilot frequency combiner part is divided into two eight-port combiners, and the common ports of the two eight-port combiners are positioned on the same side; the same-frequency combiner part (bridge part with the frequency range of 800-3800 MHz) is positioned at one side of the public port of the two first-stage pilot frequency combiners; the transmission line part adopts a strip line structure. The 16 frequency bands of the integrated POI (multi-system combiner platform) comprise 6 ports of 2G, 3G, 4G and 5G of China mobile, 5 ports of 2G, 3G, 4G and 5G of China telecom and 5 ports of 2G, 3G, 4G and 5G of China Unicom.
As shown in fig. 1, serial numbers 1 and 2 are two eight-port combiners of a first-stage different-frequency combiner, two paths of combiner terminals COM1 and COM2 after the two eight-frequency combiners are combined pass through a second-stage same-frequency combiner (bridge part, frequency band 800-plus 3700 MHz), and serial number 3 is a second-stage same-frequency combiner part (bridge part); after passing through the two-stage same-frequency combiner (bridge part), the two output ends ANT1 and ANT2 of the multi-system combiner platform are directly connected through a transmission line, as shown in fig. 1, the serial number 4 is the last-stage transmission line part, the transmission line adopts a strip line structure and is designed according to 50 ohm impedance, the line length of about 200mm hardly generates loss, and thus the loss of the whole multi-system combiner platform is reduced.
The front surface of the cavity of the present invention as shown in fig. 2, wherein 5 is an input port of GSM 1800/L TEFDD1.8G communicating 2G and 4G systems, the frequency band is 1735 + 1765&1830 + 1860MHz, 6 is an input port of WCDMA2100 communicating 3G systems, the frequency band is 1940 + 1980&2130 + 2170MHz, 7 is an input port of TDF of mobile 3G systems, the frequency band is 1885 + 1915MHz, 8 is an input port of TDA of mobile 3G systems, the frequency band is 2010 + 2025MHz, 6, 7, 8 four ports reach the combining end COM1 of the first combiner after being combined by respective pass-band filters, 13 is the combining port COM 1.14 of the first combiner of the first-level different-frequency combiner, the frequency band is the input port of TE FDD2.1G of the telecommunication system L G, the frequency band is 1920 + 2130MHz, 15 is the input port of 3G 5G systems, the frequency band is 3500MHz 1800, the input port of 3602G system, the frequency band is 3602G + 1805 + 1800 + 460 MHz, the frequency band is the frequency band of the second combiner, the telecommunication system, the frequency band is 1885 + 3945 + 1885 MHz, the combiner after being combined by respective pass-band, the combiner 16, the combiner is the combiner, the combiner 16, the combiner, the.
The utility model discloses the cavity reverse side as shown in fig. 3, wherein 9 is the input port of mobile 2G system GSM900, the frequency range is 889-.
The serial number 22 is an input port of TDD2.6G of the second combiner of the first-stage different-frequency combiner, the frequency range is 2515-plus 2675MHz, 19 is an input port of TD L te (e) of the mobile 4G system, the frequency range is 2320-plus 2370MHz, 20 is an input port of GSM900 of the connected 2G system, the frequency range is 909-plus 915& 954-plus 960MHz, 21 is an input port of CDMA800 of the telecommunication 2G system, the frequency range is 820-minus 835& 865-plus 880MHz, 18, 19, 20, 21, the four port frequency ranges reach the COM2 of the second combiner after being combined by respective pass band filters, and the serial number 22 is a combiner port COM2 of the second combiner of the first-stage different-frequency combiner, the COM port 2 collects pass band frequencies of eight ports together, thereby forming a second eight-port combiner of the first-stage different-frequency combiner of the multi-system combiner.
The utility model discloses shown in fig. 4 the utility model discloses cavity side, this side are the mutual face of combining port COM1 and COM2 of two eight port combiners in the one-level pilot frequency combination way, and the second grade is with frequency the combination part (the electric bridge part) and is located this face. The combination ports COM1 and COM2 are respectively connected to two input ends of the bridge, 27 is one input end of the bridge, and 28 is the other input end of the bridge. The working frequency band of the bridge part is 800-3700MHz, all 2G, 3G, 4G and 5G frequency bands of the input port of the multi-system combiner platform are covered, the bridge plays a role of same-frequency combining, two strip lines are distributed in the cavity, and 25 is a main strip line of a second-stage same-frequency combiner (bridge part); 26 is the sub-strip line (coupling strip line) of the two-stage same-frequency combiner (bridge part); after the same-frequency signals are combined by the electric bridges, the same-frequency signals reach two output ends ANT1 and ANT2 of the multi-system combining platform from output ends (as shown in fig. 3, 29 is one output end of the electric bridge, and 30 is the other output end of the electric bridge) through transmission lines, as shown in fig. 2, serial numbers 23 and 24 are two output ends ANT1 and ANT2 of the POI, and the two ANT are connected with an antenna feed system, so that 2G, 3G, 4G and 5G full-band signals of an input port of the POI can be covered, and the purpose of multi-system and multi-band co-building and sharing is achieved.
In addition, in the current 5G system, the mobile TDD2.6G band 2575-2635MHz can be changed to 2515-2675MHz, the telecommunication 3.5G band 3400-3500MHz can be changed to telecommunication TDD2.6G band 2635-2655MHz, and the changed mobile 5G port and the telecommunication 5G port are changed in position, as shown in fig. 3, the port serial numbers 12 and 18 are changed; the communicated 3.5G frequency range of 3500-3600MHz can be changed into the communicated TDD2.6G frequency range of 2555-2575MHz, so that the frequency specified by the national 5G license plate and the early TDD2.6G can be switched with each other, and the 5G system can be conveniently upgraded.
Claims (6)
1. A multi-system combiner platform is characterized by comprising a primary pilot frequency combiner part, a secondary same-frequency combiner part and a transmission line part, wherein the primary pilot frequency combiner part, the secondary same-frequency combiner part and the transmission line part adopt an integrated structure and share a cavity; the first-stage pilot frequency combiner part is divided into two eight-port combiners, and the common ports of the two eight-port combiners are positioned on the same side; the same-frequency combiner part is positioned at one side of a common port of the two first-stage pilot frequency combiners; the transmission line part adopts a strip line structure.
2. The multi-system combining platform of claim 1, wherein the frequency band of the same-frequency combining section is 800-3700 MHz.
3. The multi-system combiner platform of claim 1, wherein the 16 frequency bands of the multi-system combiner platform include six ports of 2G, 3G, 4G, and 5G for china mobile, five ports of 2G, 3G, 4G, and 5G for china telecom, and five ports of 2G, 3G, 4G, and 5G for china Unicom.
4. The multi-system combiner platform of claim 3, wherein the mobile 5G band 2575-2635MHz can be changed to 2515-2675 HMz.
5. The platform of claim 3, wherein the telecommunication 5G band is 3400-3500MHz, and can be changed to the telecommunication TD L TE band 2635-2655MHz, and the changed mobile 5G port and the telecommunication 5G port are exchanged.
6. The multi-system combiner platform of claim 3, wherein the communicated 5G band is 3500-3600MHz and can be changed to TD L TE band 2555-2575 MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688489.0U CN211088462U (en) | 2019-10-10 | 2019-10-10 | Multi-system combiner platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688489.0U CN211088462U (en) | 2019-10-10 | 2019-10-10 | Multi-system combiner platform |
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| Publication Number | Publication Date |
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| CN211088462U true CN211088462U (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555654A (en) * | 2021-07-26 | 2021-10-26 | 南京华脉科技股份有限公司 | 14-frequency integrated multi-system combiner platform of 5G system |
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2019
- 2019-10-10 CN CN201921688489.0U patent/CN211088462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113555654A (en) * | 2021-07-26 | 2021-10-26 | 南京华脉科技股份有限公司 | 14-frequency integrated multi-system combiner platform of 5G system |
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