CN202818633U - Radio frequency remote device - Google Patents
Radio frequency remote device Download PDFInfo
- Publication number
- CN202818633U CN202818633U CN2012204462788U CN201220446278U CN202818633U CN 202818633 U CN202818633 U CN 202818633U CN 2012204462788 U CN2012204462788 U CN 2012204462788U CN 201220446278 U CN201220446278 U CN 201220446278U CN 202818633 U CN202818633 U CN 202818633U
- Authority
- CN
- China
- Prior art keywords
- interface
- radio frequency
- antenna feeder
- extension apparatus
- frequency extension
- 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 - Fee Related
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The present utility model discloses a radio frequency remote device which is applied to a wireless communication system. A detection interface is arranged, and signals of an antenna feed interface are coupled to the detection interface through a coupler. During the detecting process, a problem that whether the radio frequency remote device has faults or not is directly judged through detection of the detection interface, the detection is more convenient, an antenna feed cable does not need to be cut during the working process of equipment, no attenuator needs to be added additionally, the radio frequency remote device does not need to be dismounted, and maintenance difficulty and work amount can be reduced.
Description
Technical field
The utility model relates to wireless telecommunication system, relates in particular to a kind of Remote Radio Unit.
Background technology
RRU(Remote Radio Unit/radio frequency extension apparatus, Radio Remote Unit) generally be applied in (for example application in the base station) on outdoor high tower or the roof, highly very high, carrying is inconvenient.RRU generally includes shell, be arranged on and be used for the antenna feeder interface that is connected with antenna feeder cable on the shell, is arranged on power panel and the board for receiving and sending message of enclosure, and the duplexer that is connected with each interface.If RRU finds to have problem in actual motion, suspect that RRU has fault, need to detect, need to disconnect antenna feeder cable, add attenuator from the shell outside at the antenna feeder interface, thus test RRU ANT (antenna port) output signal; Perhaps RRU is disassembled test.Operation is very complicated like this, and danger is also larger, and can only detect the forward direction power output of interface.
The utility model content
The main technical problems to be solved in the utility model is, a kind of radio frequency extension apparatus is provided, and its detection is more convenient.
For solving the problems of the technologies described above, the utility model provides a kind of radio frequency extension apparatus, comprise that at least one is used to connect the antenna feeder interface of antenna feeder cable, comprise that also at least one detects the combination of interface and coupler, comprise in the described combination that one is detected interface and a coupler; Described coupler is connected on the link of described antenna feeder interface signal transmission; Detecting interface in the described combination is connected with coupler.
Described coupler comprises input, straight-through end and coupled end; Described coupler is connected in the link of described antenna feeder interface signal transmission by input and straight-through end, and described coupled end is connected with described detection interface.
A corresponding described antenna feeder interface is provided with two described combinations, and described two couplers are serially connected on the link of described antenna feeder interface signal transmission, and is continuous or continuous by straight-through end by input between these two couplers.
Described radio frequency extension apparatus is provided with two antenna feeder interfaces altogether.
Described radio frequency extension apparatus comprises housing, and described detection interface is arranged on the housing.
Described radio frequency extension apparatus comprises the duplexer that is connected with described antenna feeder interface, and described coupler is connected between described duplexer and the antenna feeder interface.
Described radio frequency extension apparatus comprises the duplexer that is connected with described antenna feeder interface, and described coupler is fixed on the described duplexer.
In a kind of execution mode, also be provided with a groove on the described housing, described detection interface is arranged in this groove.
Described slot opening place also is provided with a cover plate.
In the another kind of execution mode, described radio frequency extension apparatus comprises housing, and described housing is provided with a perforate and covers the cover plate of this perforate, and described detection interface is arranged in this perforate.
During use, the corresponding degree of coupling that detects interface reality of mark.In the detection, directly use frequency spectrograph to test the signal of this detection interface, add the degree of coupling, just can draw forward power or the backward power of antenna feeder interface, and can check the frequency spectrum of antenna feeder interface output signal or carry out demodulation, check signal quality.
The beneficial effects of the utility model are: the utility model provides a kind of radio frequency extension apparatus, by detecting the setting of interface, and the signal of antenna feeder interface is coupled to the detection interface by coupler, in detection, realization judges directly by the detection that detects interface whether radio frequency extension apparatus has fault, it is more convenient to detect, do not need in the equipment work antenna feeder cable is disconnected (namely not needing interrupting service), do not need additionally to add attenuator yet, do not need to dismantle radio frequency extension apparatus, reduced maintenance difficulties and quantities.
Description of drawings
Fig. 1 is the perspective structure schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is the broken section structural representation of another angle of Fig. 1.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
Please refer to Fig. 1,2, a kind of radio frequency extension apparatus, comprise that at least one is used to connect the antenna feeder interface of antenna feeder cable, comprise that also at least one detects interface and the coupler 11 identical with described detection interface quantity, described coupler 11 is connected on the link of described antenna feeder interface signal transmission.Described detection interface is by the detection (can increase RF cable 6 connect, remedy connecting length inadequate problem) of butt coupling device 11 realizations to the antenna feeder interface.By detecting the setting of interface, and the signal of antenna feeder interface is coupled to the detection interface by coupler 11, in detection, realization judges directly by the detection that detects interface whether radio frequency extension apparatus has fault, it is more convenient to detect, and does not need in the equipment work antenna feeder cable is disconnected, and does not also need additionally to add attenuator, do not need to dismantle radio frequency extension apparatus, reduced maintenance difficulties and quantities.
Concrete, described coupler 11 comprises input, straight-through end and coupled end; Described coupler 11 is connected in the link of described antenna feeder interface signal transmission by input and straight-through end, and described coupled end is connected with described detection interface.
Concrete, comprise in the antenna feeder interface and transmit (forward power) and receive signal (backward power), corresponding antenna feeder interface arranges two couplers 11, these two couplers 11 are serially connected on the link of described antenna feeder interface signal transmission, and are continuous or continuous by straight-through end by input between these two couplers 11.The mode of this two couplers, 11 direct Opposite direction connections, make that the coupled end of one of them coupler 11 detects for transmitting, be the reception signal and the coupled end of another one coupler 11 realizes detecting.The form that arranges of two couplers 11 can realize multi-purpose detection.
When implementing, described radio frequency extension apparatus also can comprise two antenna feeder interfaces, corresponding then be provided with four and detect interfaces, four couplers 11.
When implementing, when having more antenna feeder interfaces, corresponding each antenna feeder interface arranges at most two and detects the detection that interfaces and two couplers 11 can be realized all parameters.
Concrete, radio frequency extension apparatus comprises the duplexer that is connected with described antenna feeder interface, and described coupler 11 is connected on the link of described antenna feeder interface signal transmission, can refer to device be connected to duplexer and antenna feeder interface between.Its manufacture can be: at duplexer and antenna feeder interface junction serial connection a coupler 11 is installed, the coupled end of coupler 11 is connected to the detection interface with RF cable 6.
Certainly, during enforcement, described coupler can use screw to be fixed on the described duplexer.
Concrete, radio frequency extension apparatus comprises housing 1, detects interface and is arranged on the housing.The convenient detection.
During enforcement, also can be provided with a groove on housing 1, described detection interface is arranged in this groove.Play protection and hide the effect that detects interface.Certainly the opening part of groove also can arrange a cover plate, plays further protective effect.
During enforcement, also can directly at housing 1 perforate and a cover plate that covers this perforate be set, described detection interface is arranged in this perforate.
During enforcement, the mains switch 5 of RRU can be set also at housing 1.
Among another embodiment, radio frequency extension apparatus also comprises the frequency spectrograph with power test pattern and demodulation modes, and frequency spectrograph also comprises the RF input port that is connected for described detection interface.
The below is described in detail embodiment as shown in Figure 1, 2:
Such as figure, RRU is provided with two antenna feeder interfaces (i.e. an ANT antenna feeder interface 2, the 2nd ANT antenna feeder interface 3), and correspondence then is provided with two to (four) detection interface (i.e. FWD detection interface 9, REV detection interface 10, the 2nd FWD detect interface 7, the 2nd REV detects interface 8).Wherein a FWD detects interface 9 and detects the transmitting of an ANT antenna feeder interface 2, a REV and detect reception signal, the 2nd FWD that interface 10 detects an ANT antenna feeder interface 2 and detect that interface 7 detects the transmitting of the 2nd ANT antenna feeder interface 3, the 2nd REV detects the reception signal that interface 8 detects the 2nd ANT antenna feeder interface 3.
Coupler by coupler 11(the first closure that the forward power of the ANT antenna feeder interface 2 of RRU is detected) and the coupler of the Opposite direction connection of relative the first closure of coupler 11(that detects of backward power) output be connected to a FWD and detect interface 9 and a REV and detect interface 10(and all can adopt sub-miniature A connector), and mark the degree of coupling of reality.Directly use frequency spectrograph to test the signal that a FWD detects interface 9 and REV detection interface 10 in the practical application, add the degree of coupling, just can draw forward power and the backward power of an ANT antenna feeder interface 2, and can check the frequency spectrum of an ANT antenna feeder interface 2 output signals or carry out demodulation, check signal quality.In like manner, detect interface 8 by the 2nd FWD detection interface 7, the 2nd REV that coupler 11 outputs of the coupler 11 of the forward power of the 2nd ANT antenna feeder interface 3 of RRU detection and backward power detection are connected in the Operation and Maintenance window, and mark the actual degree of coupling.Directly use frequency spectrograph to test the signal that the 2nd FWD detects interface 7, the 2nd REV detection interface 8 in the practical application, add the degree of coupling, just can draw forward power and the backward power of the 2nd ANT antenna feeder interface 3, and can check the frequency spectrum of the 2nd ANT antenna feeder interface 3 output signals or carry out demodulation, check signal quality.
During enforcement, detect housing 1 the first half (namely being positioned on RRU internal electrical source plate and the board for receiving and sending message) that interface can be arranged at RRU.So that wiring.
Concrete, Fig. 1,2 described enforcements, its mode of operation in detection is as follows.
(1) detect a FWD and detect interface 9:
Step 1: detect the RF input port that interface 9 places connect the portable frequency spectrum instrument at a FWD, frequency spectrograph ingoing power test pattern is set, test forward direction power output, then add that a FWD detects near the interface 9 corresponding degrees of coupling (can be marked at the interface), can draw an ANT antenna feeder interface 2 actual forward power outputs.
Step 2: with the step 1 connected mode, frequency spectrograph is set enters demodulation modes, test the modulation quality of forward direction output signal, can draw the modulation quality of an ANT antenna feeder interface 2 forward direction output signals.
(2) detect a REV and detect interface 10:
Step 1: the REV at the Operation and Maintenance window detects the RF input port that interface 10 interfaces connect the portable frequency spectrum instrument, frequency spectrograph ingoing power test pattern is set, test out reverse input power, then add that a REV detects the degree of coupling of interface 10 correspondences, can draw the reverse input power that a REV detects interface 10 reality.According to the forward direction power output of the step 1 of mode of operation (1), can extrapolate the VSWR(voltage standing wave ratio of an ANT antenna feeder interface 2).
Step 2: with the step 1 connected mode, frequency spectrograph is set enters demodulation modes, the modulation quality of test signal, thus draw the modulation quality of an ANT antenna feeder interface 2 reverse input signals.
(3) detect the 2nd FWD and detect interface 7:
Step 1: the 2nd FWD at the Operation and Maintenance window detects the RF input port that interface 7 interfaces connect the portable frequency spectrum instrument, frequency spectrograph ingoing power test pattern is set, test forward direction power output, then add that the 2nd FWD detects the degree of coupling of interface 7 correspondences, draws the actual forward power output of the 2nd ANT antenna feeder interface 3.
Step 2: with the step 1 connected mode, frequency spectrograph is set enters demodulation modes, test the modulation quality of forward direction output signal, thereby draw the modulation quality of the 2nd ANT antenna feeder interface 3 forward direction output signals.
(4) detect the 2nd REV and detect interface 8:
Step 1: the 2nd REV at the Operation and Maintenance window detects the RF input port that interface 8 interfaces connect the portable frequency spectrum instrument, frequency spectrograph ingoing power test pattern is set, test out reverse input power, then add that the 2nd REV detects the degree of coupling of interface 8 correspondences, draws the reverse input power of the 2nd ANT antenna feeder interface 3 reality.According to the forward direction power output of mode of operation (3) step 1, can extrapolate the VSWR of the 2nd ANT antenna feeder interface 3.
Step 2: with the step 1 connected mode, frequency spectrograph is set enters demodulation modes, the modulation quality of test signal, thus draw the modulation quality of the 2nd ANT antenna feeder interface 3 reverse input signals.
Need to prove, present 2T2R(two-way emission two-way reception) RRU generally is the dual-mode antenna unification, there is not the differentiation of emitter and receiving pole, general all is to use same antenna reception and emission, also having special structure to launch 4 the tunnel such as the 2T4R(2 road receives), but also just in the RRU structure differentiation is arranged, but antenna also is the same of usefulness.The present invention generally can refer to the RRU of 2T2R.Can certainly be to extend on the aforementioned principles basis to be applied among other RRU, such as 2T4R RRU.
Above content is in conjunction with concrete execution mode further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a radio frequency extension apparatus comprises that at least one is used to connect the antenna feeder interface of antenna feeder cable, it is characterized in that, comprises that also at least one detects the combination of interface and coupler, comprises in the described combination that one is detected interface and a coupler; Described coupler is connected on the link of described antenna feeder interface signal transmission; Detecting interface in the described combination is connected with coupler.
2. radio frequency extension apparatus as claimed in claim 1 is characterized in that, described coupler comprises input, straight-through end and coupled end; Described coupler is connected in the link of described antenna feeder interface signal transmission by input and straight-through end, and described coupled end is connected with described detection interface.
3. radio frequency extension apparatus as claimed in claim 2, it is characterized in that, a corresponding described antenna feeder interface is provided with two described combinations, and described two couplers are serially connected on the link of described antenna feeder interface signal transmission, and is continuous or continuous by straight-through end by input between these two couplers.
4. radio frequency extension apparatus as claimed in claim 3 is characterized in that, described radio frequency extension apparatus is provided with two antenna feeder interfaces altogether.
5. such as wantonly 1 to 4 one the described radio frequency extension apparatus of claim, it is characterized in that described radio frequency extension apparatus comprises housing, described detection interface is arranged on the housing.
6. radio frequency extension apparatus as claimed in claim 5 is characterized in that, also is provided with a groove on the described housing, and described detection interface is arranged in this groove.
7. radio frequency extension apparatus as claimed in claim 6 is characterized in that, described slot opening place also is provided with a cover plate.
8. such as each described radio frequency extension apparatus of claim 1 to 4, it is characterized in that described radio frequency extension apparatus comprises housing, described housing is provided with a perforate and covers the cover plate of this perforate, and described detection interface is arranged in this perforate.
9. such as each described radio frequency extension apparatus of claim 1 to 4, it is characterized in that described radio frequency extension apparatus comprises the duplexer that is connected with described antenna feeder interface, described coupler is connected between described duplexer and the antenna feeder interface.
10. radio frequency extension apparatus as claimed in claim 9 is characterized in that, described radio frequency extension apparatus comprises the duplexer that is connected with described antenna feeder interface, and described coupler is fixed on the described duplexer.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204462788U CN202818633U (en) | 2012-09-04 | 2012-09-04 | Radio frequency remote device |
| JP2015530278A JP6220397B2 (en) | 2012-09-04 | 2013-07-26 | Remote radio equipment |
| PCT/CN2013/080229 WO2013174345A2 (en) | 2012-09-04 | 2013-07-26 | Radio remote unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204462788U CN202818633U (en) | 2012-09-04 | 2012-09-04 | Radio frequency remote device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202818633U true CN202818633U (en) | 2013-03-20 |
Family
ID=47877431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204462788U Expired - Fee Related CN202818633U (en) | 2012-09-04 | 2012-09-04 | Radio frequency remote device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6220397B2 (en) |
| CN (1) | CN202818633U (en) |
| WO (1) | WO2013174345A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174345A2 (en) * | 2012-09-04 | 2013-11-28 | 中兴通讯股份有限公司 | Radio remote unit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471319B (en) * | 2017-02-21 | 2020-05-22 | 中兴通讯股份有限公司 | Base station, radio remote unit and mainboard thereof, radio sub-card and channel self-building method |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11121941A (en) * | 1997-10-20 | 1999-04-30 | Fujitsu Ltd | Outdoor installation-type electronic apparatus |
| US20040057543A1 (en) * | 2002-09-24 | 2004-03-25 | Arie Huijgen | Synchronizing radio units in a main-remote radio base station and in a hybrid radio base station |
| JP4299641B2 (en) * | 2003-11-17 | 2009-07-22 | 株式会社日立コミュニケーションテクノロジー | Radio base station test method and test apparatus |
| JP4105193B2 (en) * | 2005-12-27 | 2008-06-25 | 株式会社日立コミュニケーションテクノロジー | Wireless communication system |
| EP2083555A3 (en) * | 2008-01-28 | 2011-09-07 | Tyco Electronics AMP Korea Limited | Waterproofing method and structure for mobile phone |
| JP5624021B2 (en) * | 2008-04-11 | 2014-11-12 | バード テクノロジーズ グループ インコーポレイテッド | Transmission equipment power monitor |
| JP2010114303A (en) * | 2008-11-07 | 2010-05-20 | Yagi Antenna Co Ltd | Waterproof structure of electronic apparatus case |
| JP2010206369A (en) * | 2009-03-02 | 2010-09-16 | Nec Corp | Signal interruption device and test method of radio base station device using the same |
| JP5371707B2 (en) * | 2009-11-18 | 2013-12-18 | 京セラ株式会社 | Base station equipment |
| CN102300236B (en) * | 2010-06-28 | 2014-05-07 | 电信科学技术研究院 | Method, device and system for remotely maintaining remote radio unit (RRU) |
| JP2012038842A (en) * | 2010-08-05 | 2012-02-23 | Sumitomo Electric Ind Ltd | Communication device and housing thereof |
| CN102185809B (en) * | 2011-05-06 | 2015-02-11 | 京信通信系统（中国）有限公司 | Remote radio frequency system |
| CN202818633U (en) * | 2012-09-04 | 2013-03-20 | 中兴通讯股份有限公司 | Radio frequency remote device |
-
2012
- 2012-09-04 CN CN2012204462788U patent/CN202818633U/en not_active Expired - Fee Related
-
2013
- 2013-07-26 WO PCT/CN2013/080229 patent/WO2013174345A2/en active Application Filing
- 2013-07-26 JP JP2015530278A patent/JP6220397B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174345A2 (en) * | 2012-09-04 | 2013-11-28 | 中兴通讯股份有限公司 | Radio remote unit |
| WO2013174345A3 (en) * | 2012-09-04 | 2014-01-16 | 中兴通讯股份有限公司 | Radio remote unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013174345A2 (en) | 2013-11-28 |
| WO2013174345A3 (en) | 2014-01-16 |
| JP6220397B2 (en) | 2017-10-25 |
| JP2015531555A (en) | 2015-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20190904 |