CN203590218U - Microwave outdoor unit - Google Patents
Microwave outdoor unit Download PDFInfo
- Publication number
- CN203590218U CN203590218U CN201320803307.6U CN201320803307U CN203590218U CN 203590218 U CN203590218 U CN 203590218U CN 201320803307 U CN201320803307 U CN 201320803307U CN 203590218 U CN203590218 U CN 203590218U
- Authority
- CN
- China
- Prior art keywords
- microwave
- intermediate frequency
- frequency
- outdoor unit
- mainboard
- 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.)
- Expired - Lifetime
Links
- 230000003321 amplification Effects 0.000 claims abstract description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 14
- 238000004891 communication Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010295 mobile communication Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Abstract
The utility model discloses a digital microwave outdoor unit. The digital microwave outdoor unit is characterized in that the digital microwave outdoor unit includes an intermediate frequency main board, a radio frequency module and a duplexer, wherein the intermediate frequency main board is used for receiving intermediate frequency modulation signals transmitted by an indoor unit or receiving microwave signals sent by an opposite-end outdoor unit; and the radio frequency unit is electrically connected with the intermediate frequency main board and is used for performing frequency conversion on intermediate frequency signals transmitted by the intermediate frequency main board so as to convert the intermediate frequency signals into microwave frequency signals and transmitting the microwave frequency signals which have been subjected to power amplification to the duplexer electrically connect the radio frequency unit, and performing low-noise amplification on microwave frequency signals received by the intermediate frequency main board and transmitting the microwave frequency signals which have been subjected to down frequency mixing and amplification sequentially to the indoor unit through the intermediate frequency main board. The digital microwave outdoor unit of the utility model can be widely used in a transmission system and a coverage system of a mobile communication system and can adapt to different transmission systems, and can be widely applied to 3G/4G communication systems.
Description
Technical field
The utility model belongs to microwave transmission field, is specifically related to a kind of microwave outdoor unit, for relay and the capped end of communication system.
Background technology
Growing along with microwave technology, people have more and more used microwave resource, no matter be backbone or capped end, microwave product is ubiquitous, the equipment of microwave current transmission mainly comprises micro-wave extension transmission equipment, SDH digital microwave communication equipment, three kinds of IP digital microwave communication equipments.
Utilize microwave equipment to carry out in microwave transmission, outdoor unit (ODU) is the core cell of realizing microwave transmission, it act as, and by intermediate-freuqncy signal shift frequency, to microwave signal transmission, also receive microwave signal converts thereof into intermediate-freuqncy signal simultaneously, and its performance badly influences the communication quality of whole communication equipment.
ODU in current digital microwave equipment, its structure mainly comprises IF processing unit, radio-frequency receiving-transmitting amplification, duplexer and structural cavity body, but every kind of digital microwave equipment ODU of corresponding a kind of special use, can only meet the transmission of single specification substantially, can not compatible multiple transmission system.
Utility model content
The purpose of this utility model is to propose a kind of digital microwave outdoor unit, and it is compatible strong, can adapt to different transmission systems, extensive use in 3G/4G communication system.
Realize the digital microwave outdoor unit that the utility model object adopts and comprise intermediate frequency mainboard, radio-frequency module and duplexer, wherein, described intermediate frequency mainboard is for receiving the modulated intermediate frequency signal that indoor unit transmits or receiving the microwave signal that opposite end outdoor unit launches; Described radio frequency unit is electrically connected to described intermediate frequency mainboard, for the intermediate-freuqncy signal that this intermediate frequency mainboard is sent, be converted to microwave frequency, by giving the duplexer being electrically connected to it after power amplification, in addition, the microwave frequency that intermediate frequency mainboard is received is carried out low noise amplification, after lower mixing, amplifies and is transferred to indoor unit by described intermediate frequency mainboard.
As improvement of the present utility model, also comprise multiplexer, it is for synthetic with separated by transmitting-receiving frequency.
As improvement of the present utility model, described indoor unit is SDH indoor unit, IP indoor unit or zooms out indoor unit.
As improvement of the present utility model, described microwave is SDH microwave, IP microwave or zooms out microwave.
As improvement of the present utility model, described intermediate-freuqncy signal is the radiofrequency signal of 2GHz left and right.
As improvement of the present utility model, described microwave is the microwave of 140MHz or 70MHz.
As improvement of the present utility model, also comprise the power panel being connected with duplexer with described intermediate frequency mainboard, radio-frequency module, for power supply.
As improvement of the present utility model, also comprise shell, described intermediate frequency mainboard, radio-frequency module, duplexer, multiplexer and power panel are contained in this shell.
In the utility model, although the power input voltage of SDH microwave, IP microwave and micro-wave extension is different, power panel can demonstrate,prove no matter which kind of voltage is inputted, and output voltage is consistent.
In the utility model, multiplexer is combined into by multiple filter bank, and because the frequency of these three kinds of microwave transmissions is different, by 0 Ohmic resistance in printed board design together, the direction of welding is different, and the collocation of filter is just different, and the frequency separating is also different.So, the required frequency of micro-wave extension be can mix into, IP microwave, the required frequency of SDH also can be mixed into.
In the utility model, intermediate frequency mainboard major function is for carrying out ALC, AGC, automatic electric-level control to intermediate frequency, signaling modulation, CPU control, for by the main signal uppermixing of transmitting to about 2GHz, collect mail and number to be mixed to 140MHz or 70MHz, such benefit is the ODU of which kind of frequency range of demand no matter, and mainboard is constant, to two filter bands that change above, reduce the loss bringing because of changes in demand.
In the utility model, radio-frequency module sends 2GHz left and right radiofrequency signal by intermediate frequency mainboard and is converted to microwave frequency, by giving duplexer after power amplification, in addition, the microwave frequency of reception is carried out to low noise amplification, under warp, be mixed to 2GHz left and right, give intermediate frequency mainboard.Due to mainboard, send unanimously with the frequency receiving, this is designed to versatility design, without changing because of changes in demand.
In the utility model, duplexer is that transmitting-receiving frequency is synthesized and separated filtering device, because three kinds of microwave frequencies are basically identical, and the preferential common duplexer of duplexer.
The utility model can meet micro-wave extension transmission equipment demand, can meet again SDH digital microwave communication equipment demand, can also meet the new digital microwave ODU of the demand of IP digital microwave communication equipment, can be according to applying in a flexible way in 3G/4G network, both can be applied to capped end, also transmission system can be applied to, different communication requirements can be adapted to.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the outdoor microwave unit of the utility model embodiment;
Fig. 2 is that the master of the outdoor microwave unit of the utility model embodiment looks structural scheme of mechanism;
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The outdoor unit of the present embodiment can compatible to SD H microwave, the ODU of IP microwave and micro-wave extension, its major function is by SDH IDU (indoor unit) or IP IDU or zooms out the modulated intermediate frequency signal that IDU transmits and carry out upper shift frequency to microwave frequency, and it is carried out to microwave power amplification, through antenna, launch; The microwave signal simultaneously emitting by antenna reception opposite end ODU, lower shift frequency, to intermediate-frequency band, is transferred to IDU after amplifying.
Structurally the outdoor unit of the present embodiment is divided into shell, multiplexer, power panel, intermediate frequency mainboard, radio-frequency module and duplexer.Intermediate frequency mainboard, radio-frequency module, duplexer, multiplexer and power panel are contained in this shell
Intermediate frequency mainboard is for receiving the modulated intermediate frequency signal that indoor unit transmits or receiving the microwave signal that opposite end outdoor unit launches.Radio frequency unit is electrically connected to described intermediate frequency mainboard, for the intermediate-freuqncy signal that this intermediate frequency mainboard is sent, be converted to microwave frequency, by giving the duplexer being electrically connected to it after power amplification, in addition, the microwave frequency that intermediate frequency mainboard is received is carried out low noise amplification, after lower mixing, amplifies and is transferred to indoor unit by described intermediate frequency mainboard.
Intermediate frequency mainboard major function is for carrying out ALC, AGC, automatic electric-level control to intermediate frequency, signaling modulation, CPU control, for by the main signal uppermixing of transmitting to about 2GHz, the collection of letters number is mixed to 140MHz or 70MHz, such benefit is the ODU of which kind of frequency range of demand no matter, mainboard is constant, to two filter bands that change above, reduces the loss bringing because of changes in demand.Intermediate-freuqncy signal is generally the radiofrequency signal of 2GHz left and right, and microwave is the microwave of 140MHz or 70MHz.
Multiplexer, it is for synthetic with separated by transmitting-receiving frequency.Multiplexer is combined into by multiple filter bank, and because the frequency of these three kinds of microwave transmissions is different, by O Ohmic resistance in printed board design together, the direction of welding is different, and the collocation of filter is just different, and the frequency separating is also different.So, the required frequency of micro-wave extension be can mix into, IP microwave, the required frequency of SDH also can be mixed into.
Radio-frequency module sends 2GHz left and right radiofrequency signal by intermediate frequency mainboard and is converted to microwave frequency, by giving duplexer after power amplification, in addition, the microwave frequency of reception is carried out to low noise amplification, is mixed to 2GHz left and right under warp, gives intermediate frequency mainboard.Due to mainboard, send unanimously with the frequency receiving, this is designed to versatility design, without changing because of changes in demand.
In the utility model, duplexer is that transmitting-receiving frequency is synthesized and separated filtering device, because three kinds of microwave frequencies are basically identical, and the preferential common duplexer of duplexer.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. a digital microwave outdoor unit, is characterized in that, comprises intermediate frequency mainboard, radio-frequency module and duplexer, and wherein, described intermediate frequency mainboard is for receiving the modulated intermediate frequency signal that indoor unit transmits or receiving the microwave signal that opposite end outdoor unit launches; Described radio-frequency module is electrically connected to described intermediate frequency mainboard, for the intermediate-freuqncy signal that this intermediate frequency mainboard is sent, be converted to microwave frequency, by giving the duplexer being electrically connected to it after power amplification, in addition, for the microwave signal of reception is carried out to low noise amplification, after lower mixing, amplify and be transferred to indoor unit by described intermediate frequency mainboard.
2. a kind of digital microwave outdoor unit according to claim 1, is characterized in that, also comprises multiplexer, and it is synthetic with separated for receiving and transmitting signal.
3. a kind of digital microwave outdoor unit according to claim 1 and 2, is characterized in that, described indoor unit is SDH indoor unit, IP indoor unit or zooms out indoor unit.
4. a kind of digital microwave outdoor unit according to claim 3, is characterized in that, described microwave is SDH microwave, IP microwave or zooms out microwave.
5. according to a kind of digital microwave outdoor unit described in claim 1,2 or 4, it is characterized in that, described intermediate-freuqncy signal is the radiofrequency signal of 2GHz left and right.
6. according to a kind of digital microwave outdoor unit described in claim 1,2 or 4, it is characterized in that, described microwave is the microwave of 140MHz or 70MHz.
7. according to a kind of digital microwave outdoor unit described in claim 1,2 or 4, it is characterized in that, also comprise the power panel being connected with duplexer with described intermediate frequency mainboard, radio-frequency module, for power supply.
8. according to a kind of digital microwave outdoor unit described in claim 1,2 or 4, it is characterized in that, also comprise shell, described intermediate frequency mainboard, radio-frequency module, duplexer, multiplexer and power panel are contained in this shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803307.6U CN203590218U (en) | 2013-12-09 | 2013-12-09 | Microwave outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803307.6U CN203590218U (en) | 2013-12-09 | 2013-12-09 | Microwave outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203590218U true CN203590218U (en) | 2014-05-07 |
Family
ID=50588063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320803307.6U Expired - Lifetime CN203590218U (en) | 2013-12-09 | 2013-12-09 | Microwave outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203590218U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467884A (en) * | 2014-12-15 | 2015-03-25 | 科大智能（合肥）科技有限公司 | General type 10.7-11.8 GHz full outdoor broadband IP digital microwave radio frequency unit |
| CN105119624A (en) * | 2015-09-17 | 2015-12-02 | 四川龙瑞微电子有限公司 | Microwave communication device |
| CN105119626A (en) * | 2015-09-17 | 2015-12-02 | 四川龙瑞微电子有限公司 | Improved microwave communication apparatus |
| WO2021244508A1 (en) * | 2020-06-04 | 2021-12-09 | 中兴通讯股份有限公司 | Communication device and communication system |
| CN114628874A (en) * | 2020-12-11 | 2022-06-14 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
-
2013
- 2013-12-09 CN CN201320803307.6U patent/CN203590218U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467884A (en) * | 2014-12-15 | 2015-03-25 | 科大智能（合肥）科技有限公司 | General type 10.7-11.8 GHz full outdoor broadband IP digital microwave radio frequency unit |
| CN105119624A (en) * | 2015-09-17 | 2015-12-02 | 四川龙瑞微电子有限公司 | Microwave communication device |
| CN105119626A (en) * | 2015-09-17 | 2015-12-02 | 四川龙瑞微电子有限公司 | Improved microwave communication apparatus |
| CN105119626B (en) * | 2015-09-17 | 2017-11-10 | 四川龙瑞微电子有限公司 | Improvement type microwave communication device |
| WO2021244508A1 (en) * | 2020-06-04 | 2021-12-09 | 中兴通讯股份有限公司 | Communication device and communication system |
| CN114628874A (en) * | 2020-12-11 | 2022-06-14 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
| CN114628874B (en) * | 2020-12-11 | 2023-09-12 | 华为技术有限公司 | Signal isolator and microwave outdoor unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203590218U (en) | Microwave outdoor unit | |
| CN210693937U (en) | 5G indoor distribution system | |
| CN203632660U (en) | Radiofrequency front circuit and system | |
| CN103546189B (en) | Radio-frequency (RF) front-end circuit and system | |
| CN105471557A (en) | Carrier aggregation device | |
| CN103973396A (en) | Method and device for transmitting wireless base band data and radio frequency zooming-out module RRU | |
| CN204967818U (en) | On -board basic station communication system | |
| CN102307064A (en) | Frequency-shift-based multi-system analogue fiber broadband access system and transmission method thereof | |
| CN203574664U (en) | LTE digital double-channel transmission apparatus | |
| CN103986806A (en) | Data transmission device and mobile terminal | |
| CN213879818U (en) | Support MIMO's 5G room and divide device | |
| CN201274467Y (en) | Indoor signal coverage system and repeater applied to the system | |
| CN206023750U (en) | A kind of antenna assembly of integrated RF front-end circuit | |
| CN202565269U (en) | TD-LTE chamber branch MIMO frequency conversion system | |
| CN204177972U (en) | Beidou satellite navigation single/double mode hand-hold radio frequency component | |
| CN202565268U (en) | Time division long term evolution (TD-LTE) chamber partition multi input multi output (MIMO) frequency conversion system with middle frequency band | |
| CN204258807U (en) | A kind of integrated bidirectional mobile communication satellite small station | |
| CN203608201U (en) | Unmanned plane ultra low latency digital high definition image relay module | |
| CN203942528U (en) | A kind of wireless coverage strengthens equipment | |
| CN101494869A (en) | Microwave zooming wireless shrouding system and method | |
| CN202093172U (en) | Beidou user terminal device | |
| CN202261831U (en) | WiFi (Wireless Fidelity) far-end access point and radio over fiber (ROF) switching system | |
| CN208353332U (en) | A kind of modular LTE communication module | |
| CN105978579A (en) | Mobile terminal with multichannel transceiver and system | |
| CN105208686A (en) | Aggregate multi-carrier wireless broadband radio frequency processing unit based on 230MHz dispersed frequency points |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUBEI CHUHANG ELECTRONIC TECHNOLOGY CO.,LTD. Assignor: HUBEI SANJIANG SPACE XIANFENG ELECTRONIC&INFORMATION Co.,Ltd. Contract record no.: 2015420000058 Denomination of utility model: Monitoring circuit for microwave outdoor unit Granted publication date: 20140507 License type: Exclusive License Record date: 20150427 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |