CN104540165A - Communication network monitoring system - Google Patents
Communication network monitoring system Download PDFInfo
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- CN104540165A CN104540165A CN201410634855.XA CN201410634855A CN104540165A CN 104540165 A CN104540165 A CN 104540165A CN 201410634855 A CN201410634855 A CN 201410634855A CN 104540165 A CN104540165 A CN 104540165A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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Abstract
The invention provides a communication network monitoring system. The communication network monitoring system comprises at least one passive node, at least one active node and a server, wherein the at least one passive node is used for detecting the radiation signal of a detected antenna in a communication network and acquiring detection data in order to judge whether the intensity of the radiation signal is normal or not; the at least one active node is arranged in different areas of the communication network, and each active node is connected with the at least one passive node to receive the detection data; and the server is used for receiving the detection data, and storing and analyzing the detection data in order to judge whether the communication network is normal or not. Through adoption of the communication network monitoring system, the performance of the communication network can be realized accurately on line in real time.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of communications network monitors system.
Background technology
In mobile communications, except carrying out the construction of communication network, mobile operator also needs to carry out the network optimization, to safeguard the normal operation of mobile communications network, to ensure the telecommunication service quality of mobile communications network.
After the network optimization refers to that communication network builds up, carry out various optimization (comprising software, hardware, configuration etc.) on this basis.In the network optimization, need the performance for mobile communications network to carry out testing evaluation, common testing evaluation mode has drive test (driving test, DT), walking test (walking test, WT).During drive test, drive test instrument is placed on motor vehicles, in the performance of traveling limit, road top test network; During walking test, tester carries portable network test terminal, in the performance of the place such as building, tunnel walking one side test network.
Mobile operator wish break down or customer complaint time, can fault point promptly and accurately, keep in repair fast.At present, in order to looking up the fault point, need manually to investigate, for room divided antenna, need to carry out antenna detection one by one in the building of room subsystem installation.For antenna for base station, also to climb up on the steel tower at its place, roof or mountain top and detect one by one.Current method has a lot of shortcoming:
(1) check antenna one by one, need the artificial of at substantial, efficiency is very low, and cost is very high;
(2) situation of antenna performance decline or damage cannot be learned in time, ageing very poor;
(3) after there is COMMUNICATION NETWORK PERFORMANCES fault or customer complaint, cannot determine particular problem point, difficulty and the cost of investigation are high.
In order to solve the problem, for mobile communications network, existing scheme places a mobile communication terminal (as mobile phone) near antenna, by this mobile communication terminal (i.e. active detection terminal, active probe) communicate with mobile communications network, if there is communication failure, then think that certain neighbouring antenna or communication line corresponding to antenna, equipment have fault.Although this method has certain effect, but still there is obvious shortcoming:
(1) active detection terminal price is high, can not place fixing mobile communication terminal on each antenna side;
(2) active detection terminal needs to regularly replace battery, and also need to make regular check on, maintenance cost is higher;
(3) in the mobile communication system of reality, active detection terminal installation site distance antenna has certain distance, is subject to the impact of environment, multipath signal, its jitter received, signal excursion is large, accurately can not judge the decline of antenna performance.Meanwhile, active communication terminal can with multiple cell communication, switching cell, even if detect that communication has fault, concrete fault antenna can not be determined.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is that proposing one has that real-time is good, accuracy is high, the communications network monitors system that cost is low.
The communications network monitors system of the embodiment of the present invention comprises: at least one passive bus, at least one active node and server.Whether at least one passive bus, detects data for detecting the radiation signal of antenna in mobile communications network and obtaining, normal to judge the intensity of described radiation signal.At least one active node, at least one active node described is arranged in the different region of described mobile communications network, and each described active node is connected to receive described detection data with at least one passive bus described.Server for receiving described detection data, and stores and analyzing and processing described detection data, to judge whether described mobile communications network occurs exception.
According to the communications network monitors system of the embodiment of the present invention, detection data are sent to active node or other passive bus by passive bus, send to server eventually through active node.According to gathered detection data, server judges that whether Antenna Operation is normal, whether the performance of communication network is normal, thus realize telemetry function, and scene of need not arriving checks that whether the work of antenna is normal one by one.The communications network monitors system of the embodiment of the present invention, has the advantage that real-time is good, accuracy is high, cost is low.
In some instances, suggestion device and supply unit is also comprised.Suggestion device, for when described mobile communications network occurs abnormal, points out.Supply unit, for providing electric energy for described communications network monitors system.
In some instances, described active node is also for the described detection data of at least one passive bus described in receiving in adjacent described region.
In some instances, described passive bus comprises energy of electromagnetic field acquiring unit, detecting unit and data communication units.Energy of electromagnetic field acquiring unit, for obtaining and store electricity magnetic field energy in the electromagnetic field signal from radiation during described Antenna Operation.Described detecting unit is connected with described energy of electromagnetic field acquiring unit, for judging that according to described energy of electromagnetic field whether the intensity of described radiation signal is normal and acquisition detects data.Data communication units is for sending described detection data to described active node.
Further, in some instances, described energy of electromagnetic field acquiring unit comprises: the first coupler, rectifier and energy-storage travelling wave tube.First coupler is for absorbing described energy of electromagnetic field and described electromagnetic field signal being converted to AC signal.Described rectifier is connected with described first coupler, for described AC signal is converted to direct current signal.Described energy-storage travelling wave tube is connected with described rectifier, also powers to described detecting unit and described data communication units for stored energy.
In some instances, described energy of electromagnetic field acquiring unit also comprises the isolator be arranged between described first coupler and described rectifier, and described isolator is used for preventing described AC signal from described rectifier to described first coupler transfer.
In some instances, described energy of electromagnetic field acquiring unit also comprises the matching network be arranged between described first coupler and described isolator, and described matching network is for mating the impedance between described first coupler and described isolator.
In some instances, described rectifier is diode bridge or step-up transformer.
In some instances, described energy of electromagnetic field acquiring unit also comprises radio-frequency filter, described radio-frequency filter is arranged between described isolator and described matching network or is arranged between described rectifier and described isolator, and described radio-frequency filter is used for filtering radio noise.
In some instances, also comprise: at least one second coupler, described detecting unit is connected with at least one second coupler, and the working frequency range of at least one the second coupler described is different from the working frequency range of described first coupler.
In some instances, at least one passive bus described can be arranged on around the inside of the housing of described antenna, the outside of described housing or described antenna.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of telecommunication network monitoring system according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the telecommunication network monitoring system of one embodiment of the invention;
Fig. 3 is the schematic diagram of the telecommunication network monitoring system of another embodiment of the present invention;
Fig. 4 is the schematic diagram of the telecommunication network monitoring system of another embodiment of the present invention;
Fig. 5 is the structural representation of the energy of electromagnetic field acquiring unit of one embodiment of the invention;
Fig. 6 is the structural representation of the energy of electromagnetic field acquiring unit of another embodiment of the present invention;
Fig. 7 is the impedance matching property figure of the matching network of one embodiment of the invention;
Fig. 8 is the structural representation of the energy of electromagnetic field acquiring unit of another embodiment of the present invention; With
Fig. 9 is the structural representation of the detecting unit of one embodiment of the invention.
Embodiment
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
With reference to Fig. 1, the communications network monitors system 100 of the embodiment of the present invention comprises at least one passive bus 10, at least one active node 20 and server 30.
Whether at least one passive bus 10 detects data for detecting the radiation signal of antenna 200 detected in mobile communications network and obtain, normal to judge the intensity of described radiation signal.Be arranged at least one active node 20 in the different region of mobile communications network, and each active node 20 is connected with at least one passive bus 10 and detects data to receive, and communication performance (key performance index, KPI) detection acquisition test result (such as the index such as cutting off rate, call completing rate) is carried out to mobile communications network.Server 30 is connected with at least one active node 20, detects data and test result for receiving, and to detection data with test result stores and analyzing and processing, to judge whether mobile communications network occurs exception.
At least one passive bus 10, annexation between at least one active node 20 and server 30 are as shown in Figure 2, wired connection can be adopted between three, also wireless connections can be adopted, as ZigBee communication agreement can be adopted in the present embodiment or adopt Bluetooth communication.Same region, as the passive bus 10 in the certain limit apart from detected antenna 200 forms a network, one of them passive bus 10 communicates with contiguous one or more passive buses 10, and passive bus 10 can receive the data from contiguous passive bus 10 and pass to contiguous passive bus 10.Delivered in relays by this, passive bus 10 is communicated with contiguous passive bus 10 by short-distance wireless communication mode on the one hand, and the power of consumption is little.The detection data of passive bus 10 can be sent to larger distance by the mode on the other hand by delivering in relays.The detection data of the whole passive buses 10 in a region, collect eventually through the active node 10 in this service area and are sent to server 30.In one embodiment of the invention, passive bus 10 can be arranged in antenna 200 shell or be arranged on outside antenna 200 shell, also can be arranged on and antenna 200 place at intervals.When passive bus 10 keeps at a certain distance away with detected antenna 200, should guarantee this passive bus 10 and the close together of detected antenna 200 and distant with other antennas 200 of surrounding, usual passive bus 10 is no more than 12 meters with the spacing of detected antenna 200.For mobile radio communication, antenna 200 refers to antenna for base station, indoor section antenna and directed high-gain aerial.
In one embodiment of the invention, active node 20 is also for receiving the detection data of at least one passive bus 10 in adjacent region.Such as, in the communications network monitors system 100 of the embodiment of the present invention, if the active node 20 worked in certain region break down or inactive time, the passive bus 10 be connected with this active node 20 is collected by the active node 20 in other adjacent regions and detects data and send server 30 to, particularly, as shown in Figure 3, when active node AP1 break down cannot normally work, the passive bus 11,12,13 be connected with AP1 no longer communicates with AP1, and the structure of communication network is reconstructed.Passive bus 11 is connected with 12,12 be connected with 13, and passive bus 13 is connected with active node AP2, and the detection data of all passive buses 11,12,13 be connected with active node AP1 just can send server 20 to by AP2.
Especially, in one embodiment of the invention, when a passive bus 10 breaks down, the annexation between this passive bus 10 and contiguous passive bus 10 can reconstruct, as shown in Figure 4.Passive bus P1 is connected with passive bus P2, passive bus P2 is connected with passive bus P3, when passive bus P2 breaks down, passive bus P1 can be connected with passive bus P3, the detection data of passive bus P1 are no longer transmitted by passive bus P2, but are transmitted by passive bus P3.The information that passive bus P2 breaks down is sent to server 30 by passive bus P3 and passive bus P1 simultaneously.
In one embodiment of the invention, communications network monitors system 100 also comprises: suggestion device 40 and supply unit 50.Suggestion device 40, for when mobile communications network occurs abnormal, is pointed out.Supply unit 50 is for providing electric energy at least one active node 20 of communications network monitors system 100 and server 30.Supply unit 50 can be external power supply or high capacity cell.
Further, in one embodiment of the invention, passive bus 10 comprises: energy of electromagnetic field acquiring unit 12, detecting unit 14 and data communication units 16.Obtain and store electricity magnetic field energy in the electromagnetic field signal of radiation when energy of electromagnetic field acquiring unit 12 is for working from antenna 200.Detecting unit 14 is connected with energy of electromagnetic field acquiring unit 12, for judging that according to energy of electromagnetic field whether the intensity of radiation signal is normal and acquisition detects data.Data communication units 16 detects data to active node 20 for sending.
Composition graphs 5, energy of electromagnetic field acquiring unit 12 comprises: the first coupler 122, rectifier 124 and energy-storage travelling wave tube 126.First coupler 122 is for absorbing energy of electromagnetic field and electromagnetic field signal being converted to interchange (radio frequency) signal.Rectifier 124 is connected with the first coupler 122, is converted to low-frequency d signal for exchanging (radio frequency) signal.Energy-storage travelling wave tube 126 is connected with rectifier 124, also powers to detecting unit 14 and data communication units 16 for stored energy.Passive bus 10 is powered without the need to external power supply because having energy of electromagnetic field acquiring unit 12.
In one embodiment of the invention, rectifier 124 also has boost function by exchanging while (radio frequency) signal is converted to low-frequency d signal, namely will exchange while (radio frequency) signal becomes low-voltage dc signal, realize the effect of dc voltage boost, thus charge to energy-storage travelling wave tube 126.Rectifier 124 adopts step-up transformer 124a, and step-up transformer 124a is used for the input voltage of boost in voltage to energy-storage travelling wave tube 126.Certainly, step-up transformer is also limited to present embodiment, can depending on real needs.
In one embodiment of the invention, the direct current energy that energy-storage travelling wave tube 126 exports for storing rectifier 124, and for giving other circuit supplies (comprising detecting unit 14, data communication units 16 etc.).Energy-storage travelling wave tube 126 can adopt bulky capacitor rechargeable battery etc., and between the output cathode being arranged on rectifier 124 and output negative pole.Certainly, energy-storage travelling wave tube 126 is not limited to present embodiment, and can depending on real needs.
In one embodiment of the invention, energy of electromagnetic field acquiring unit 12 also comprises the isolator 128 be arranged between the first coupler 122 and rectifier 124.Isolator 128 transmits to the first coupler 122 from rectifier 124 for preventing exchanging (radio frequency) signal.When interchange (radio frequency) signal (energy) is transmitted from the first coupler 122 to rectifier 124 direction, impedance is little, and presents high impedance from rectifier 124 to the first coupler 122 direction transmission.By setting up isolator 128, can effectively suppress circuit noise to transmit from rectifier 124 to the first coupler 122, thus avoid energy of electromagnetic field acquiring unit 12 to detected antenna 200 and be connected communication system cause interference.In an embodiment of the present invention, isolator 128 adopts circulator, the noise signal transmission can reach the isolation effect of 60 decibels, avoid, reducing from energy of electromagnetic field acquisition cuicuit to the first coupler 122, thus avoid the interference for detected antenna 200 and communication system thereof.Certainly, isolator 128 is not limited to present embodiment, and can depending on real needs.
In the present embodiment, energy of electromagnetic field acquiring unit 12 also comprises the matching network 12a be arranged between the first coupler 122 and isolator 128.By arranging matching network 12a, the impedance matching (can by input impedance conversion to close to 50 ohmages) of the first coupler 122 and isolator 128 can be made, make radiofrequency signal (energy of electromagnetic field) effectively be transferred to isolator 128.Please refer to the drawing 6, matching network 12a comprises inductance and two electric capacity, and inductance is arranged in series on the output cathode of three end circulators, and Capacitance parallel connection is between the output cathode and output negative pole of three end circulators.The impedance matching property of matching network 12a as shown in Figure 7.
Certainly, matching network 12a is not limited to present embodiment, and can depending on real needs.In addition, if the output impedance of the first coupler 122 has achieved good coupling with the input impedance of rectifier 124, matching network 12a is then without the need to having arranged.
Refer to Fig. 8, in the embodiment that the present invention is other, energy of electromagnetic field acquiring unit 12 also comprises radio-frequency filter 12c, 12d, radio-frequency filter 12c is arranged between isolator 128 and matching network 12a, radio-frequency filter 12d is arranged between rectifier 124a and isolator 128, and radio-frequency filter 12c, 12d are used for filtering radio noise.
Radio-frequency filter 12c, 12d comprise inductance and two electric capacity, and inductance is arranged in series on the output cathode of three end circulators, and Capacitance parallel connection is between the output cathode and output negative pole of three end circulators.
Radio-frequency filter 12d comprises inductance and electric capacity, and inductance is arranged in series on the output cathode of three end circulators, between the output cathode that electric capacity is arranged on three end circulators and output negative pole.
Certainly, radio-frequency filter 12c, 12d are not limited to present embodiment, can depending on demand.In other execution mode, radio-frequency filter 12c, 12d can select a setting according to demand or all omit.
Detecting unit 14 detects for the radiation signal size of detected antenna 200, and is powered by energy of electromagnetic field acquiring unit 12.The communications network monitors system 100 of the embodiment of the present invention also comprises at least one second coupler 40.Detecting unit 14 is connected with at least one second coupler 40.The working frequency range of at least one the second coupler 40 can not be identical with the working frequency range of the first coupler 122 of energy of electromagnetic field acquiring unit 12.Concrete has multiple different specific implementation, is described below respectively:
In one embodiment, detecting unit 14 and energy of electromagnetic field acquiring unit 12 share same first coupler 122, detecting unit 14 detects the direct voltage that rectifier 124 exports, using detected antenna 200 DC voltage value that normally work is corresponding as benchmark, by the direct voltage that detects compared with benchmark, judge whether the operating state of detected antenna 200 (and transmitter) is in normal range (NR).It should be noted that, the direct voltage not necessarily numerical value that normal work mentioned here is corresponding, but one group of numerical value, this group numerical value corresponds to the multiple operating state of different detected antennas 200.
In another embodiment, detecting unit 14 is connected with the second independent coupler 40, as shown in Figure 9.Energy of electromagnetic field acquiring unit 12 first coupler 122 used is only used for absorbing and obtains energy of electromagnetic field, and detecting unit 14 detects the AC signal of second coupler 40a, 40b by corresponding translation circuit 142a, 142b thus obtains and detect data.The working frequency range of second coupler 40a, 40b is some frequency ranges of the interested detected antenna 200 of user.Detecting unit 14 can also detect the first coupler 122 and detect data accordingly to obtain simultaneously.
The detection data of detecting unit 14 are sent to active node 20 or other passive bus 10 by the data communication units 16 of passive bus 10, send to server 30 eventually through active node 20.Server 30 carries out communication performance detection acquisition test result according to gathered detection data and active node 20 pairs of mobile communications networks and judges that whether Antenna Operation performance that is whether normal, communication network is normal, realize telemetry function, and scene of need not arriving checks that whether the work of antenna is normal one by one.Active node 20 and passive bus 10 also can the control commands of reception server 30, test according to the performance of control command to detected antenna 200, communication network, test data is returned to server 30.
According to the communications network monitors system of the embodiment of the present invention, detection data are sent to active node or other passive bus by passive bus, send to server eventually through active node.Server carries out communication performance detection acquisition test result according to gathered detection data and active node to mobile communications network and judges that whether Antenna Operation performance that is whether normal, communication network is normal, thus realize telemetry function, and scene of need not arriving checks that whether the work of antenna is normal one by one.The communications network monitors system of the embodiment of the present invention, has the advantage that real-time is good, accuracy is high, cost is low.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (12)
1. a communications network monitors system, is characterized in that, comprising:
Whether at least one passive bus, detects data for detecting the radiation signal of antenna detected in mobile communications network and obtain, normal to judge the intensity of described radiation signal;
At least one active node, at least one active node described is arranged in the different region of described mobile communications network, and each described active node is connected to receive described detection data with at least one passive bus described; And
Server, described server is connected with at least one active node described, for receiving described detection data and storing and analyzing and processing described detection data, to judge whether described mobile communications network occurs exception.
2. communications network monitors system as claimed in claim 1, is characterized in that, also comprise:
Suggestion device, for when described mobile communications network occurs abnormal, points out;
Supply unit, for providing electric energy for described communications network monitors system.
3. the communications network monitors system as described in claim 1 or 2 any one, is characterized in that, described active node is also for the described detection data of at least one passive bus described in receiving in adjacent described region.
4. the communications network monitors system as described in claim 1-3 any one, is characterized in that, described active node also detects acquisition test result for carrying out communication performance to described mobile communications network;
Described server also for carrying out reception analyzing and processing to described test result, to judge whether described mobile communications network occurs exception.
5. the communications network monitors system as described in claim 1-4 any one, is characterized in that, described passive bus comprises:
Energy of electromagnetic field acquiring unit, for obtaining and store electricity magnetic field energy in the electromagnetic field signal from radiation during described Antenna Operation;
Detecting unit, described detecting unit is connected with described energy of electromagnetic field acquiring unit, for judging according to described energy of electromagnetic field that the intensity of described radiation signal is whether normal and obtaining described detection data; And
Data communication units, for sending described detection data to described active node.
6. communications network monitors system as claimed in claim 5, it is characterized in that, described energy of electromagnetic field acquiring unit comprises:
First coupler, for absorbing described energy of electromagnetic field and described electromagnetic field signal being converted to AC signal;
Rectifier, described rectifier is connected with described first coupler, for described AC signal is converted to direct current signal; And
Energy-storage travelling wave tube, described energy-storage travelling wave tube is connected with described rectifier, also powers to described detecting unit and described data communication units for stored energy.
7. communications network monitors system as claimed in claim 6, it is characterized in that, described energy of electromagnetic field acquiring unit also comprises the isolator be arranged between described first coupler and described rectifier, and described isolator is used for preventing described AC signal from described rectifier to described first coupler transfer.
8. communications network monitors system as claimed in claim 7, it is characterized in that, described energy of electromagnetic field acquiring unit also comprises the matching network be arranged between described first coupler and described isolator, and described matching network is for mating the impedance between described first coupler and described isolator.
9. the communications network monitors system as described in claim 6-8 any one, is characterized in that, described rectifier is diode bridge or step-up transformer.
10. the communications network monitors system as described in claim 6-9 any one, it is characterized in that, described energy of electromagnetic field acquiring unit also comprises radio-frequency filter, described radio-frequency filter is arranged between described isolator and described matching network or is arranged between described rectifier and described isolator, and described radio-frequency filter is used for filtering radio noise.
11. communications network monitors systems as described in claim 6-10 any one, is characterized in that, also comprise:
At least one second coupler, described detecting unit is connected with at least one second coupler, and the working frequency range of at least one the second coupler described is different from the working frequency range of described first coupler.
12. communications network monitors systems as described in claim 1 or 2 any one, it is characterized in that, at least one passive bus described can be arranged on around the inside of the housing of described antenna, the outside of described housing or described antenna.
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| CN112114305A (en) * | 2020-08-17 | 2020-12-22 | 西安电子科技大学 | Non-contact river channel radar monitoring method, system, device and application |
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| CN103200602A (en) * | 2013-03-29 | 2013-07-10 | 佛山市粤海信通讯有限公司 | Mobile communication indoor distribution system device remote control method |
| CN103679224A (en) * | 2012-09-24 | 2014-03-26 | 国民技术股份有限公司 | Radio frequency tag, mobile terminal, wireless communication system and radio frequency tag charging method |
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| CN103679224A (en) * | 2012-09-24 | 2014-03-26 | 国民技术股份有限公司 | Radio frequency tag, mobile terminal, wireless communication system and radio frequency tag charging method |
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| CN106998563A (en) * | 2016-01-25 | 2017-08-01 | 中国移动通信集团福建有限公司 | A kind of room subsystem method for early warning and device based on network performance |
| CN106998563B (en) * | 2016-01-25 | 2019-12-20 | 中国移动通信集团福建有限公司 | Indoor distribution system early warning method and device based on network performance |
| CN112114305A (en) * | 2020-08-17 | 2020-12-22 | 西安电子科技大学 | Non-contact river channel radar monitoring method, system, device and application |
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