CN203119911U - Passive antenna device with remote monitoring function - Google Patents
Passive antenna device with remote monitoring function Download PDFInfo
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- CN203119911U CN203119911U CN2013201445412U CN201320144541U CN203119911U CN 203119911 U CN203119911 U CN 203119911U CN 2013201445412 U CN2013201445412 U CN 2013201445412U CN 201320144541 U CN201320144541 U CN 201320144541U CN 203119911 U CN203119911 U CN 203119911U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 61
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 36
- 238000010897 surface acoustic wave method Methods 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
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- 230000032683 aging Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Abstract
The utility model relates to a passive antenna device with remote monitoring function, which comprises an antenna, and further comprises a passive remote monitoring unit, wherein the output end of the passive remote monitoring unit is connected with the antenna, the input end of the passive remote monitoring unit is used to be connected with a feed line, and data between the passive remote monitoring unit and a host is communicated through a radio frequency identification device (RFID). Compared with a traditional monitoring mode, the passive antenna device with remote monitoring function achieves further extension of communication network monitoring, directly monitors ending of the feed line of each branch, is used by being matched with special-purpose equipment with RFID card readers by utilizing radio frequency identification technology, and effectively monitors parameters such as the feed line and antenna and the like between a base station (or remote radio units RRU and repeaters and the like) and the antenna.
Description
Technical field
The utility model relates to a kind of remote monitoring device of mobile communication network device, and a kind of technology for radio frequency of utilizing specifically realizes having the passive antenna of remote monitoring function.Be mainly used in wireless signal transmission, the reception of the communications field, and monitoring.
Background technology
Along with development of Communication Technique, the communication network indoor distributed system has been realized the monitoring of active equipment substantially, but still lacks effective means for the monitoring of the passive antenna feeder compartment system that occupies most capital investment shares.The fault of chamber subsystem normally could be found by customer complaint, has influenced the image of operator's good network quality.
Antenna is as the final stage device of wireless coverage, and the quality of its state embodies directly related with the user.Traditional antenna only has emission, receives the function of wireless signal, without any monitoring means.
Can't solve the technical problem of monitoring aerial tip for a long time, main because be that coupler can't pass through direct current, so can't realize that power supply far supplies.Detect the operating state of antenna if desired, need additional equipment (as instrument such as frequency spectrograph, standing wave testers) to monitor, can't accomplish each antenna is monitored, also can't accomplish the real-time monitoring to antenna.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of transmitting power and standing-wave ratio that can detect antenna automatically is provided, by original feeder line, the passive antenna arrangement of the band remote monitoring function that the uplink/downlink antenna mouth performance number that detects and standing wave ratio are uploaded to main frame.
The technical solution of the utility model is as follows:
A kind of passive antenna arrangement with the remote monitoring function comprises antenna, also comprises the passive remote monitoring means, and the output of passive remote monitoring means is connected with antenna, and the input of passive remote monitoring means is used for being connected with feeder line; Carry out data communication by RFlD between passive remote monitoring means and the main frame.
As preferably, described passive remote monitoring means comprises power detection module, standing-wave ratio detection module, and power detection module is docked with the standing-wave ratio detection module; Power detection module is used for the transmitting power of monitoring aerial uplink/downlink antenna mouth position, and the standing-wave ratio detection module is used for monitoring aerial standing wave ratio.
As preferably, the standing-wave ratio detection module comprises first directional coupler, first Surface Acoustic Wave Filter, a RFID radio-frequency (RF) tag, circulator, first load; The input of first directional coupler is the output of passive remote monitoring means, be connected with the descending input end interface of antenna element, the output of first directional coupler is used for docking with power detection module, and the isolation end of first directional coupler connects an input port of circulator; The coupled end of first directional coupler connects the RFID radio-frequency (RF) tag by first Surface Acoustic Wave Filter, and the RFID radio-frequency (RF) tag is connected to another input port of circulator, and the delivery outlet of circulator connects first load.
As preferably, power detection module comprises second directional coupler, second Surface Acoustic Wave Filter, the 2nd RFID radio-frequency (RF) tag, second load; The input of second directional coupler is the input of passive remote monitoring means, links to each other with the radio frequency wire jumper that is connected feeder line, and the isolation end of second directional coupler connects second load, and the output of second directional coupler is used for docking with the standing-wave ratio detection module; The coupled end of second directional coupler connects the 2nd RFID radio-frequency (RF) tag by second Surface Acoustic Wave Filter.
As preferably, between a RFID radio-frequency (RF) tag, the 2nd RFID radio-frequency (RF) tag and RFID card-reading apparatus, carry out data communication by feeder line.
As preferably, passive remote monitoring means and antenna are integrated in the same outer cover.
The beneficial effects of the utility model are as follows:
The passive antenna arrangement of band remote monitoring function described in the utility model is made up of antenna and passive remote monitoring means, and is integrated in the same new antenna outer cover, has monitoring function.Traditional relatively monitor mode, realized the further extension to communication network monitoring, directly monitor the feeder line tip of each branch road, utilize REID, with the supporting use of the special equipment of being furnished with the RFID card reader, base station (or RRU, repeater etc.) are effectively monitored to the feeder line between the antenna, each parameter of antenna etc.Namely each branch road from the special equipment that disposes the RFID card reader to each antenna obtains effective monitoring.Solved the technical barrier (mainly being that coupler can't pass through direct current, so can't realize that power supply far supplies) that can't monitor the antenna tip for a long time.When each link breaks down, can the very first time notify the attendant, shorten the time of fault discovery, fault location greatly, improve the knowability of communication network, have very strong practicality.Aspect engineering, only need to replace original antenna, do not need to transform original overlay network, can realize the chamber is divided effective comprehensive monitoring of covering system passive part, engineering is simple, invests for a short time, and benefit is big.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structured flowchart of the present utility model;
Among the figure: the 1st, antenna, the 2nd, passive remote monitoring means, the 21st, standing-wave ratio detection module, 211 is first directional couplers, and 212 is first Surface Acoustic Wave Filter, and 213 is RFID radio-frequency (RF) tag, 214 is first loads, the 215th, and circulator, the 22nd, power detection module, 221 is second directional couplers, 222 is second Surface Acoustic Wave Filter, and 223 is the 2nd RFID radio-frequency (RF) tag, and 224 is second loads, the 3rd, radio frequency wire jumper, the 4th, feeder line.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described in detail.
As shown in Figure 1, the passive antenna arrangement of band remote monitoring function described in the utility model comprises antenna 1 and passive remote monitoring means 2.The input of passive remote monitoring means 2 is used for being connected with feeder line 4, and output is connected with antenna 1.Utilize the half-duplex operation mode of RFID, realize and be furnished with the RFID card-reading apparatus communicating, thereby realize main equipment (as base station, RRU unit) is monitored to parameters such as feeder line 4 Link States between the antenna 1, uplink/downlink antenna mouth power, antenna 1 standing-wave ratios, its receiving and transmitting signal transmits by the former branch radio frequency feed line 4 of having family.Passive remote monitoring means 2 is integrated in the same outer cover with antenna 1.
Antenna 1 described in the utility model comprises all domestic aerials, exterior aerial, embellished antenna.Its frequency range is 800MHz～3000MHz, is applicable to communication standards such as CDMAlx, CDMA2000, GSM900, DCSl800, TD-SCDMA, LTE, WCDMA.
As shown in Figure 2, described passive remote monitoring means 2 comprises power detection module 22, standing-wave ratio detection module 21, and power detection module 22 is docked with standing-wave ratio detection module 21; Power detection module 22 is used for the transmitting power of monitoring aerial 1 uplink/downlink antenna mouth (antenna oscillator place) position, and standing-wave ratio detection module 21 is used for monitoring aerial 1 standing wave ratio.
Standing-wave ratio detection module 21 comprises first directional coupler 211, first Surface Acoustic Wave Filter 212, a RFID radio-frequency (RF) tag 213, circulator 215, first load 214; The input of first directional coupler 211 is the output of passive remote monitoring means 2, be connected with antenna 1 descending input end interface, the output of first directional coupler 211 is used for docking with power detection module 22, and the isolation end of first directional coupler 211 connects an input port of circulator 215; The coupled end of first directional coupler 211 connects the RFID radio-frequency (RF) tag by first Surface Acoustic Wave Filter 212, and the RFID radio-frequency (RF) tag is connected to another input port of circulator 215, and the delivery outlet of circulator 215 connects first load 214.First directional coupler 211 is the 10dB directional coupler, inserts loss less than 0.7dB.RFID radio-frequency (RF) tag working frequency range is standard 860MHz～960MHz, and typical application band is 850MHz～855MHz, 920MHz～925MHz.RFID radio-frequency (RF) tag as standing-wave ratio detects is provided with unique ID number.
The one RFID radio-frequency (RF) tag 213, the 2nd RFID radio-frequency (RF) tag 223 are asked with the RFID card-reading apparatus, carry out data communication by feeder line 4.
The one RFID radio-frequency (RF) tag 213 from antenna 1 incoming feeder 4 radiofrequency signal that is coupled, is used for activating a RFID radio-frequency (RF) tag 213 work by first directional coupler 211.A passive RFID radio-frequency (RF) tag 213 realizes the detection to antenna 1 standing wave ratio together with first directional coupler 211, first Surface Acoustic Wave Filter 212, circulator 215.First Surface Acoustic Wave Filter 212 also is used for filtering feeder line 4 interior other radiofrequency signals to the influence of a RFID radio-frequency (RF) tag 213.Circulator 215 mainly plays the effect of duplex communication.
The 2nd RFID radio-frequency (RF) tag 223 from antenna 1 incoming feeder 4 radiofrequency signal that is coupled, is used for activating 223 work of the 2nd RFID radio-frequency (RF) tag by second directional coupler 221.Passive the 2nd RFID radio-frequency (RF) tag 223 realizes to the detection of antenna opening power with to the detection of feeder line 4 links together with second directional coupler 221, second Surface Acoustic Wave Filter 222.Second Surface Acoustic Wave Filter 222 also is used for filtering feeder line 4 interior other radiofrequency signals to the influence of the 2nd RFID radio-frequency (RF) tag 223.
When antenna 1 standing-wave ratio just often, all launch by antenna 1 from the radio frequency ID signal that the RFID card-reading apparatus sends, the signal energy that reflects from antenna 1 is very little, being not enough to a RFID radio-frequency (RF) tag 213 activates, the RFID card-reading apparatus can not receive the data message of a RFID radio-frequency (RF) tag 213, and this state thinks that antenna 1 operating state is normal.
When antenna 1 standing-wave ratio is undesired, the return loss of antenna 1 is inevitable very big, the RFID emission of radio frequency signals of sending from the RFID card-reading apparatus is behind antenna 1, quite a few RFID radio frequency energy is reflected by antenna 1, and the energy of reflection is enough to activate a RFID radio-frequency (RF) tag 213 and works together.The one RFID radio-frequency (RF) tag 213 is obtained the RFID radiofrequency signal by first directional coupler 211 from feeder line 4, the sub-fraction energy with the RFID radiofrequency signal is converted into direct current then, provides and activate a RFID radio-frequency (RF) tag 213 circuit workings.By circulator 215, first directional coupler 211, the most of energy of another of RFID radiofrequency signal is by a RFID radio-frequency (RF) tag 213 reflected back RFID card-reading apparatus, and the data message that a RFID radio-frequency (RF) tag 213 will be kept on its chip is modulated in the reflected signal.The RFID card-reading apparatus demodulates the data that comprise this label data information that a RFID radio-frequency (RF) tag 213 is returned, determine the unique ID number of a RFID radio-frequency (RF) tag 213, the data message that returns according to a RFID radio-frequency (RF) tag 213 calculates the standing-wave ratio of antenna 1 simultaneously.
When communication feeder line 4, device is normal, when communications status is good, transmit in feeder line 4 from the RFID radiofrequency signal that the RFID card-reading apparatus sends, the 2nd RFID radio-frequency (RF) tag 223 is obtained the RFID radiofrequency signal by second directional coupler 221 from feeder line 4, sub-fraction energy with the RFID radiofrequency signal is converted into direct current then, provide and activate the 2nd RFID radio-frequency (RF) tag 223 circuit workings, the most of energy of another of RFID radiofrequency signal is by the 2nd RFID radio-frequency (RF) tag 223 reflected back RFID card-reading apparatus, and the data message that the 2nd RFID radio-frequency (RF) tag 223 will be kept on its chip is modulated in the reflected signal.The RFID card-reading apparatus demodulates the data that comprise this label data information that the 2nd RFID radio-frequency (RF) tag 223 is returned, determine the unique ID number of the 2nd RFID radio-frequency (RF) tag 223, calculate simultaneously from the special equipment that disposes the RFID card reader to the link load the antenna 1, thereby detect the antenna port downlink transmitting power, and from the RFID card-reading apparatus to antenna the Link State 1.
When feeder line 4 occurs aging, when phenomenons such as water inlet cause link load to increase, when the RFID radiofrequency signal that the RFID card-reading apparatus sends is not enough to activate 223 work of the 2nd RFID radio-frequency (RF) tag, the RFID card-reading apparatus can't be received the data-signal that comprises modulation intelligence that the 2nd RFID radio-frequency (RF) tag 223 reflects, thereby judges that link is unusual.
Above-described embodiment only is that the utility model is described, and is not with the restriction of the present utility model of opposing.So long as according to technical spirit of the present utility model, to above-described embodiment change, modification etc. all will drop in the scope of claim of the present utility model.
Claims (6)
1. the passive antenna arrangement with the remote monitoring function comprises antenna, it is characterized in that, also comprises the passive remote monitoring means, and the output of passive remote monitoring means is connected with antenna, and the input of passive remote monitoring means is used for being connected with feeder line; Carry out data communication by RFID between passive remote monitoring means and the main frame.
2. the passive antenna arrangement of band remote monitoring function according to claim 1 is characterized in that, described passive remote monitoring means comprises power detection module, standing-wave ratio detection module, and power detection module is docked with the standing-wave ratio detection module; Power detection module is used for the transmitting power of monitoring aerial uplink/downlink antenna mouth position, and the standing-wave ratio detection module is used for monitoring aerial standing wave ratio.
3. the passive antenna arrangement of band remote monitoring function according to claim 2 is characterized in that, the standing-wave ratio detection module comprises first directional coupler, first Surface Acoustic Wave Filter, a RFID radio-frequency (RF) tag, circulator, first load; The input of first directional coupler is the output of passive remote monitoring means, be connected with the descending input end interface of antenna element, the output of first directional coupler is used for docking with power detection module, and the isolation end of first directional coupler connects an input port of circulator; The coupled end of first directional coupler connects the RFID radio-frequency (RF) tag by first Surface Acoustic Wave Filter, and the RFID radio-frequency (RF) tag is connected to another input port of circulator, and the delivery outlet of circulator connects first load.
4. the passive antenna arrangement of band remote monitoring function according to claim 2 is characterized in that, power detection module comprises second directional coupler, second Surface Acoustic Wave Filter, the 2nd RFID radio-frequency (RF) tag, second load; The input of second directional coupler is the input of passive remote monitoring means, links to each other with the radio frequency wire jumper that is connected feeder line, and the isolation end of second directional coupler connects second load, and the output of second directional coupler is used for docking with the standing-wave ratio detection module; The coupled end of second directional coupler connects the 2nd RFID radio-frequency (RF) tag by second Surface Acoustic Wave Filter.
5. according to the passive antenna arrangement of claim 3 or 4 described band remote monitoring functions, it is characterized in that, between a RFID radio-frequency (RF) tag, the 2nd RFID radio-frequency (RF) tag and RFID card-reading apparatus, carry out data communication by feeder line.
6. the passive antenna arrangement of band remote monitoring function according to claim 1 is characterized in that, passive remote monitoring means and antenna are integrated in the same outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445412U CN203119911U (en) | 2013-03-27 | 2013-03-27 | Passive antenna device with remote monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445412U CN203119911U (en) | 2013-03-27 | 2013-03-27 | Passive antenna device with remote monitoring function |
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| CN203119911U true CN203119911U (en) | 2013-08-07 |
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| CN2013201445412U Expired - Fee Related CN203119911U (en) | 2013-03-27 | 2013-03-27 | Passive antenna device with remote monitoring function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844322A (en) * | 2016-03-29 | 2016-08-10 | 深圳市中泰美奥电子技术研究院有限公司 | High directivity directional RFID label realization method |
| CN107948917A (en) * | 2017-11-16 | 2018-04-20 | 京信通信系统（中国）有限公司 | Antenna system and its wireless communications method |
| CN109450565A (en) * | 2018-11-27 | 2019-03-08 | 京信通信系统（中国）有限公司 | Calibrate monitoring device and antenna system |
| CN113141218A (en) * | 2020-03-06 | 2021-07-20 | 昆山立讯射频科技有限公司 | Broadband high-directivity coupler and broadband standing-wave ratio detection device thereof |
-
2013
- 2013-03-27 CN CN2013201445412U patent/CN203119911U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844322A (en) * | 2016-03-29 | 2016-08-10 | 深圳市中泰美奥电子技术研究院有限公司 | High directivity directional RFID label realization method |
| CN107948917A (en) * | 2017-11-16 | 2018-04-20 | 京信通信系统（中国）有限公司 | Antenna system and its wireless communications method |
| CN107948917B (en) * | 2017-11-16 | 2021-03-30 | 京信通信系统（中国）有限公司 | Antenna system and wireless communication method thereof |
| CN109450565A (en) * | 2018-11-27 | 2019-03-08 | 京信通信系统（中国）有限公司 | Calibrate monitoring device and antenna system |
| CN109450565B (en) * | 2018-11-27 | 2024-05-28 | 京信通信技术(广州)有限公司 | Calibration monitoring device and antenna system |
| CN113141218A (en) * | 2020-03-06 | 2021-07-20 | 昆山立讯射频科技有限公司 | Broadband high-directivity coupler and broadband standing-wave ratio detection device thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140327 |