CN204068985U - Distributed base station - Google Patents
Distributed base station Download PDFInfo
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- CN204068985U CN204068985U CN201420074574.9U CN201420074574U CN204068985U CN 204068985 U CN204068985 U CN 204068985U CN 201420074574 U CN201420074574 U CN 201420074574U CN 204068985 U CN204068985 U CN 204068985U
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- division multiplexer
- optical fiber
- checkout equipment
- base station
- light signal
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- 230000003287 optical effect Effects 0.000 claims description 15
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- 238000004891 communication Methods 0.000 abstract description 5
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- 230000005764 inhibitory process Effects 0.000 description 2
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Abstract
The utility model discloses a kind of distributed base station, belong to the fault detection technique of the communications field, manually need carry out fault detect for solving existing distributed base station, the problem such as the loaded down with trivial details and efficiency of the detection caused is low and designing.Described distributed base station comprises Remote Radio Unit, also comprise the fault that detects described Remote Radio Unit and generate Detection Information, by described Detection Information by wired or wireless the first checkout equipment being transferred to monitoring backstage, there is structure simple, realize the advantages such as easy, hardware cost is low, fault detect is rapid.
Description
Technical field
The utility model relates to the fault detection technique of the communications field, particularly relates to a kind of distributed base station with fault detection capability.
Background technology
In specific regions such as densely populated area or high ferros, in order to the degree of depth realizing wireless communication networks covers, usual base station is set to distributed base station.Described distributed base station comprises the source device unit of near-end and the Remote Radio Unit of far-end; Between described source device unit and Remote Radio Unit, usually at a distance of hundreds of rice or km, pass through Fiber connection.Therefore when described distributed base station breaks down, need to investigate one by one be in source device unit, optical fiber or Remote Radio Unit concrete which or multiplely to break down.
In prior art, to the fault detect of the Remote Radio Unit with optical fiber and far-end, be all detected on the spot to laying place by staff, such detection mode causing trouble detection is loaded down with trivial details, speed slow, thus communication interruption time can be caused long.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of distributed base station, can automatically detect distributed base station fault or fault location, to improve detection efficiency, reduces and detects loaded down with trivial details degree.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of distributed base station, comprise Remote Radio Unit, described distributed base station also comprises: detect the fault of described Remote Radio Unit and generate Detection Information, by described Detection Information by wired or wireless the first checkout equipment being transferred to monitoring backstage.
Preferably, described first checkout equipment is the first dry contact checkout equipment.
Preferably, described distributed base station also comprises source device unit, and connects the optical fiber of described source device unit and described Remote Radio Unit;
Described Remote Radio Unit comprises:
Receive the described Detection Information that described first dry contact checkout equipment is sent and the input interface be forwarded to by described Detection Information on described first optical-electrical converter; And
Convert described Detection Information to sensed light signal, by described optical fiber and described source device unit, described sensed light signal is transferred to first optical-electrical converter on described monitoring backstage.
Preferably,
Described optical fiber comprises the first optical fiber and the second optical fiber;
Be provided with in described source device unit formed sensed light signal optical signal generator, generates when not receiving the described detection signal of telecommunication and export fault message the second checkout equipment and receive transmit and the sensed light signal returned along described detection light path, described sensed light signal is converted to detection the signal of telecommunication output the second optical-electrical converter;
Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.;
Be provided with in described source device unit and the first wave division multiplexer of described first Fiber connection and the Second Wave division multiplexer with described second Fiber connection;
Be provided with in described Remote Radio Unit and the 3rd wavelength division multiplexer of described first Fiber connection and the 4th wavelength division multiplexer with described second Fiber connection;
Described first wave division multiplexer, the first optical fiber, described 3rd wavelength division multiplexer, light path, the 4th wavelength division multiplexer, the second optical fiber, Second Wave division multiplexer and the light path between Second Wave division multiplexer and first wave division multiplexer between the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer, be connected to form described sensed light signal transmission path.
Preferably, described second checkout equipment is the second dry contact checkout equipment.
The utility model also provides another kind of distributed base station, comprises source device unit, Remote Radio Unit, the first optical fiber and the second optical fiber;
Described first optical fiber and described second optical fiber all connect described source device unit and described Remote Radio Unit;
Be provided with the optical signal generator of formation sensed light signal in described source device unit, generate when not receiving the described detection signal of telecommunication and export the checkout equipment of fault message and receive and the sensed light signal returned after described detection propagate, described sensed light signal is converted to and detects the signal of telecommunication and the second optical-electrical converter exported;
Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.;
Be provided with in described source device unit and the first wave division multiplexer of described first Fiber connection and the Second Wave division multiplexer with described second Fiber connection;
The 3rd wavelength division multiplexer of described first Fiber connection and the 4th wavelength division multiplexer with described second Fiber connection is provided with in described Remote Radio Unit;
Described first wave division multiplexer, the first optical fiber, described 3rd wavelength division multiplexer, light path, the 4th wavelength division multiplexer, the second optical fiber, Second Wave division multiplexer and the light path between Second Wave division multiplexer and first wave division multiplexer between the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer are connected to form described sensed light signal transmission path.
Further, described checkout equipment is dry contact checkout equipment.
Distributed base station described in the utility model embodiment, by checkout equipment, first to fourth wavelength division multiplexer, the isostructural interpolation of checkout equipment, the automatic detection to distributed base station fault or location can be realized, thus reduce the loaded down with trivial details degree of fault detect, improve detection efficiency; And the device structure adopted is simple, cost is low, little to the transformation of existing distributed base station.
Accompanying drawing explanation
Fig. 1 is the structural representation of the distributed base station described in the utility model embodiment one;
Fig. 2 is the structural representation of the distributed base station described in the utility model embodiment two;
Fig. 3 is the structural representation of the distributed base station described in the utility model embodiment three;
Fig. 4 is the structural representation of the distributed base station described in the utility model embodiment four.
Embodiment
According to Figure of description and embodiment, the utility model to be further elaborated below.
Embodiment one:
As shown in Figure 1, the distributed base station described in the present embodiment, comprises Remote Radio Unit 110, is positioned at the first checkout equipment 120 of described Remote Radio Unit 110 side;
Described first checkout equipment detects 120, in order to detect the fault of described Remote Radio Unit, and generates Detection Information, is transferred to monitoring backstage by wired or wireless.
Remote Radio Unit 110 comprises multiple functional modules such as radio frequency signal transceiving module, supplied by AC/DC electricity module and air circulation module.Wherein, described radio frequency signal transceiving module comprises dual-mode antenna or dual-mode antenna array, concrete antenna 111 and antenna 112 as shown in Figure 1.
The concrete structure of described first checkout equipment 120 has multiple, it can be the checkout equipment that radio frequency extension unit electrical resistance detects, also can be the checkout equipment that the disabler of radio frequency extension unit detects, can also be the checkout equipment that Remote Radio Unit protection detects; Concrete, as temperature testing equipment, operating current confession disconnected checkout equipment, gate inhibition's checkout equipment and the machine monitoring equipment etc. of Remote Radio Unit working temperature.
Wherein, described temperature testing equipment can comprise temperature sensor and Detection Information formation module; Described operating current, for disconnected checkout equipment, can be form the equipment such as the circuit breaker detecting level according to the presence or absence of operating current; Described gate inhibition's checkout equipment can be that the signals such as infrared scan prevent that other human or animals' beyond staff the detection equipment etc. such as to be strayed into; According to the difference of detected information, the concrete structure of described checkout equipment is different.
After forming Detection Information, can be launched by the radio frequency signal transceiving module of described Remote Radio Unit 110, described Detection Information is sent to monitoring backstage by antenna 111 or antenna 112 as shown in Figure 1, like this, not only achieve the detection of the fault message of Remote Radio Unit 110, the location of fault message can also be realized simultaneously.Staff is by the content of Detection Information and/or the transmission source of Detection Information, at least can judge that fault appears at Remote Radio Unit 110, and without the need to the source device unit to distributed base station, optical fiber and Remote Radio Unit carry out failture evacuation one by one, thus the detection and positioning of fault is simpler, and only on the Remote Radio Unit 110 of distributed base station, set up the first checkout equipment 120, just achieve the detection and positioning of fault, the structure of setting up is few, and make use of the transmission that the existing structure of distributed base station carries out Detection Information cleverly, structure is ingenious.
As further improvement of this embodiment, described first checkout equipment is the first dry contact checkout equipment.Dry contact checkout equipment is a kind of passive detection devices, comprises the two kinds of operating states that are turned on or off, and corresponding output level comprises high level and low level.Usually, described dry contact checkout equipment, obtains detection signal by the transducer of its inside, and by the judgement of detection signal and default detection signal, export corresponding Detection Information, described Detection Information is low and high level.Concrete, when the operation level of device power supply (DPS) is 48v, and the power supply that transducer detects is 0v, equipment failure, and what corresponding dry contact checkout equipment exported is then low level, loses efficacy with indication equipment.Common dry contact checkout equipment comprises limit switch, travel switch and temperature switch etc.The structure of dry contact checkout equipment is simple, cost is low, high with the various functional structure degrees of coupling of Remote Radio Unit.
Embodiment two:
As shown in Figure 2, distributed base station described in the present embodiment, comprises Remote Radio Unit 210, source device unit 240, the optical fiber connecting Remote Radio Unit 210 and source device unit 240 and the first checkout equipment 220; Described optical fiber is generally two, optical fiber 251 as shown in Figure 2 and optical fiber 252; Described first checkout equipment 220 is preferably dry contact checkout equipment.
Described Remote Radio Unit 210 is provided with input interface and the first optical-electrical converter 230; Usually described in described first optical-electrical converter 230 reusable, the optical-electrical converter of business information opto-electronic conversion is carried out in Remote Radio Unit 210 inside;
Described Detection Information is sent to described input interface by described first checkout equipment 220;
Described input interface receives described Detection Information, and is forwarded on described first optical-electrical converter 230;
Described first optical-electrical converter 230, in order to convert described Detection Information to sensed light signal, is transferred to described monitoring backstage by described optical fiber and described source device unit 240.
In concrete implementation procedure, described Detection Information, the EAC passage of Remote Radio Unit can be connected to by the syndeton such as twisted-pair feeder and RJ45, described Detection Information converts light signal to by the optical-electrical converter (the first optical-electrical converter 230 namely described in the present embodiment) of described Remote Radio Unit inside again, with the business information transmitted needed for Remote Radio Unit, be together transferred to described source device unit 240 by described optical fiber 251 and/or optical fiber 252.
Described source device unit 240 is arranged on this locality usually, is connected, thus after source device unit 240 receives described detection signal from optical fiber, converts the signal of telecommunication to monitoring backstage, then is transferred to and monitors backstage.Concrete described source device 240 comprises photoelectricity and turns device, in order to the Detection Information of light signal to be converted to the Detection Information of the signal of telecommunication, and by as coffrets such as EAC passages, further information transmission is monitored backstage.Detection Information described in the present embodiment, make use of existing optical fiber in distributed base station and carries out information transmission, realize simple and efficient.
Embodiment three:
As shown in Figure 3, distributed base station described in the present embodiment, comprise Remote Radio Unit 310, source device unit 320, the optical fiber connecting Remote Radio Unit 310 and source device unit 320 and the first checkout equipment 340; Described checkout equipment 340 is preferably the first dry contact checkout equipment.Described optical fiber comprises the first optical fiber 331 and the second optical fiber 332;
The optical signal generator, the second dry checkout equipment 390 and the second optical-electrical converter that form sensed light signal is provided with in described source device unit 320; In the present embodiment described signal generator 380, second optical-electrical converter 370 and described second checkout equipment 390 are arranged in described source device unit 320; Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.; Described second checkout equipment 390 is preferably the second dry contact checkout equipment;
The first wave division multiplexer 361 be connected with described first optical fiber 331 and the Second Wave division multiplexer 362 be connected with described second optical fiber 332 is provided with in described source device unit 320;
The 3rd wavelength division multiplexer 363 be connected with described first optical fiber 331 and the 4th wavelength division multiplexer 364 be connected with described second optical fiber 332 is provided with in described Remote Radio Unit 310;
Described first wave division multiplexer 361, first optical fiber 331, described 3rd wavelength division multiplexer 363, light path, the 4th wavelength division multiplexer 364, second optical fiber 332, Second Wave division multiplexer 362 and the light path between Second Wave division multiplexer 362 and first wave division multiplexer 361 between the 3rd wavelength division multiplexer 363 and the 4th wavelength division multiplexer 364, be in turn connected to form described sensed light signal transmission path; Described sensed light signal is along the transmission both direction of described optical signaling paths, concrete, as clockwise direction transmission or counterclockwise transmission.
Described second optical-electrical converter 370, receives and transmits and the sensed light signal returned along described detection light path, convert described sensed light signal to the detection signal of telecommunication, and exports the described detection signal of telecommunication;
Described second checkout equipment 390, in order to when not receiving the described detection signal of telecommunication, generating and exporting fault message.
The optical multiplexed signal of not equiwavelength can be used same optical fiber by described first wave division multiplexer 361, Second Wave division multiplexer 362, the 3rd wavelength division multiplexer 363 and the 4th wavelength division multiplexer 364, also can realize the light signal by receiving not equiwavelength from same optical fiber simultaneously, and demultiplexing.
Described optical signal generator 380 generates sensed light signal in the present embodiment; Not etc., the wavelength of the communicating light signal of usual described bearer service not can be 1310nm, and the data of carrying comprise business tine and communication signaling for the wavelength of the wavelength of described sensed light signal and the communicating light signal of bearer service.The wavelength of described sensed light signal can be 1550nm.
Described sensed light signal is transmitted in described light path, if the light path between fiber failure and/or the light path between first wave division multiplexer 361 and Second Wave division multiplexer 362 and/or the 3rd wavelength division multiplexer 363 and the 4th wavelength division multiplexer 364 breaks down, light signal will be caused cannot to enter described second photoelectric conversion unit, when second checkout equipment cannot obtain the sensed light signal converted detection signal of telecommunication, by output abnormality information, thus define described fault message.
Light path between usual first wave division multiplexer 361 and Second Wave division multiplexer 362 belongs to the fault of source device unit 320 inside, because optical path distance is short, and the probability being positioned at unit internal fault is less, and the checkout equipment of source device unit 320 inside is usually had to detect; Light path between 3rd wavelength division multiplexer 363 and the 4th wavelength division multiplexer 364 breaks down, belong to Remote Radio Unit inner due to optical path distance short, and the probability being positioned at unit internal fault is less; And, usually there is the checkout equipment of Remote Radio Unit 310 inside to detect; Therefore when described second checkout equipment 390 exports fault message, usually can think that the first optical fiber 331 and/or the second optical fiber 332 break down, thus achieve the detection to distributed base station fiber failure.
If Detection Information is transferred to monitoring backstage by optical fiber by Remote Radio Unit 310, can first by the detection of fiber failure, detect whether optical fiber breaks down, and then judge that the Detection Information of Remote Radio Unit 310 cannot be transferred to monitoring backstage, be the fault of fiber failure or Remote Radio Unit 310 inside, again achieve the location of fault.
The present embodiment has set up the checkout equipment of fiber failure relative to above-described embodiment, and the structure of setting up is as simple in the hardware such as wavelength division multiplexer, optical signal generator, optical-electrical converter all have structure, good with the structural compatibility of existing distributed base station.In concrete implementation process, the fault message that described second checkout equipment 390 exports turns back to monitoring backstage by the EAC channel interface of source device unit 320.Described monitoring backstage can network management center.
Embodiment four:
As shown in Figure 4, the present embodiment distributed base station comprises source device unit 410, Remote Radio Unit 420, first optical fiber 431 and the second optical fiber 432;
Described first optical fiber 431 and described second optical fiber 432 all connect described source device unit 410 and described Remote Radio Unit 420;
The optical signal generator 460, checkout equipment 470 and the optical-electrical converter 450 that form sensed light signal is provided with in described source device unit 410;
Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.;
The first wave division multiplexer 441 be connected with described first optical fiber 431 and the Second Wave division multiplexer 442 be connected with described second optical fiber 432 is provided with in described source device unit 410;
The 3rd wavelength division multiplexer 443 that described first optical fiber 441 connects and the 4th wavelength division multiplexer 444 be connected with described second optical fiber 432 is provided with in described Remote Radio Unit 420;
Described first wave division multiplexer 441, first optical fiber 431, described 3rd wavelength division multiplexer 431, light path, the 4th wavelength division multiplexer 444, second optical fiber 432, Second Wave division multiplexer 442 and the light path between Second Wave division multiplexer 442 and first wave division multiplexer 441 between the 3rd wavelength division multiplexer 431 and the 4th wavelength division multiplexer 444 are connected to form described sensed light signal transmission path;
Described optical-electrical converter 450, receives and the sensed light signal returned after described detection propagate, converts described sensed light signal to the detection signal of telecommunication, and export the described detection signal of telecommunication;
Described checkout equipment 470, in order to when not receiving the described detection signal of telecommunication, generating and exporting fault message.
Described sensed light signal is transmitted in described light path, if the light path between fiber failure and/or the light path between first wave division multiplexer 441 and Second Wave division multiplexer 442 and/or the 3rd wavelength division multiplexer 443 and the 4th wavelength division multiplexer 444 breaks down, light signal will be caused cannot to enter described optical-electrical converter 450, when checkout equipment 470 cannot obtain the sensed light signal converted detection signal of telecommunication, by output abnormality information, thus define described fault message.Light path between usual first wave division multiplexer 441 and Second Wave division multiplexer 442 belongs to the fault of source device unit 410 inside, because optical path distance is short, and the probability being positioned at unit internal fault is less, and the checkout equipment of source device unit 410 inside is usually had to detect; Light path between 3rd wavelength division multiplexer 443 and the 4th wavelength division multiplexer 444 break down belong to Remote Radio Unit 420 inside due to optical path distance short, and the probability being positioned at unit internal fault is less, and the checkout equipment of Remote Radio Unit 420 inside is usually had to detect; Therefore when described checkout equipment 470 exports fault message, usually can think that the first optical fiber 431 and/or the second optical fiber 432 break down, thus achieve the detection to distributed base station fiber failure.
The present embodiment passes through at the first WDM 441, second WDM 442, 3rd WDM 443 and the 4th WDM 444, optical signal generator 460, the setting of optical-electrical converter 450 and checkout equipment 470, achieve the diagnosis to fiber failure, the said equipment is all that structure is simple, the equipment that cost is low, and be easy to be connected with the structure of existing distributed base station, thus it is compatible strong, realize simple, owing to achieving the automatic detection of fiber failure, thus avoid the loaded down with trivial details degree of manual detection and inefficient problem.
Described checkout equipment 470 is preferably dry contact checkout equipment, and dry contact checkout equipment is a kind of passive detection devices, comprises the two kinds of operating states that are turned on or off, and the level of corresponding output comprises high level and low level.Usual described dry contact checkout equipment, obtains detection signal by the transducer of its inside, and by the multilevel iudge of detection signal with default detection signal, export the Detection Information of correspondence, described Detection Information is generally low and high level.Concrete, when the operation level of device power supply (DPS) is 48v, and the power supply that transducer detects is 0v, and from equipment failure, what dry contact checkout equipment exported is low level, loses efficacy with indication equipment.Common dry contact checkout equipment comprises limit switch, travel switch and temperature switch etc.The structure of dry contact checkout equipment is simple, cost is low, high with the various functional structure degrees of coupling in source device unit 410.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection range of the present utility model.
Claims (7)
1. a distributed base station, comprise Remote Radio Unit, it is characterized in that, described distributed base station also comprises: detect the fault of described Remote Radio Unit and generate Detection Information, by described Detection Information by wired or wireless the first checkout equipment being transferred to monitoring backstage.
2. distributed base station according to claim 1, is characterized in that, described first checkout equipment is the first dry contact checkout equipment.
3. distributed base station according to claim 2, is characterized in that, described distributed base station also comprises source device unit, and connects the optical fiber of described source device unit and described Remote Radio Unit;
Described Remote Radio Unit comprises:
Receive described Detection Information that described first dry contact checkout equipment sends and described Detection Information is forwarded to the input interface on the first optical-electrical converter; And
Convert described Detection Information to sensed light signal, by described optical fiber and described source device unit, described sensed light signal is transferred to described first optical-electrical converter on described monitoring backstage.
4. distributed base station according to claim 3, is characterized in that,
Described optical fiber comprises the first optical fiber and the second optical fiber;
Be provided with in described source device unit formed sensed light signal optical signal generator, generates when not receiving the described detection signal of telecommunication and export fault message the second checkout equipment and receive transmit and the sensed light signal returned along described detection light path, described sensed light signal is converted to detection the signal of telecommunication output the second optical-electrical converter;
Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.;
Be provided with in described source device unit and the first wave division multiplexer of described first Fiber connection and the Second Wave division multiplexer with described second Fiber connection;
Be provided with in described Remote Radio Unit and the 3rd wavelength division multiplexer of described first Fiber connection and the 4th wavelength division multiplexer with described second Fiber connection;
Described first wave division multiplexer, the first optical fiber, described 3rd wavelength division multiplexer, light path, the 4th wavelength division multiplexer, the second optical fiber, Second Wave division multiplexer and the light path between Second Wave division multiplexer and first wave division multiplexer between the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer, be connected to form described sensed light signal transmission path.
5. distributed base station according to claim 4, is characterized in that, described second checkout equipment is the second dry contact checkout equipment.
6. a distributed base station, is characterized in that, comprises source device unit, Remote Radio Unit, the first optical fiber and the second optical fiber;
Described first optical fiber and described second optical fiber all connect described source device unit and described Remote Radio Unit;
Be provided with the optical signal generator of formation sensed light signal in described source device unit, generate when not receiving the described detection signal of telecommunication and export the checkout equipment of fault message and receive and the sensed light signal returned after described detection propagate, described sensed light signal is converted to and detects the signal of telecommunication and the second optical-electrical converter exported;
Described sensed light signal and the wavelength in order to the communicating light signal of bearer service information are not etc.;
Be provided with in described source device unit and the first wave division multiplexer of described first Fiber connection and the Second Wave division multiplexer with described second Fiber connection;
The 3rd wavelength division multiplexer of described first Fiber connection and the 4th wavelength division multiplexer with described second Fiber connection is provided with in described Remote Radio Unit;
Described first wave division multiplexer, the first optical fiber, described 3rd wavelength division multiplexer, light path, the 4th wavelength division multiplexer, the second optical fiber, Second Wave division multiplexer and the light path between Second Wave division multiplexer and first wave division multiplexer between the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer are connected to form described sensed light signal transmission path.
7. distributed base station according to claim 6, is characterized in that, described checkout equipment is dry contact checkout equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074574.9U CN204068985U (en) | 2014-02-20 | 2014-02-20 | Distributed base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420074574.9U CN204068985U (en) | 2014-02-20 | 2014-02-20 | Distributed base station |
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| CN204068985U true CN204068985U (en) | 2014-12-31 |
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| CN201420074574.9U Expired - Fee Related CN204068985U (en) | 2014-02-20 | 2014-02-20 | Distributed base station |
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