CN105515148B - A kind of Remote Radio Unit, alarm for power-off method and base station - Google Patents
A kind of Remote Radio Unit, alarm for power-off method and base station Download PDFInfo
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- CN105515148B CN105515148B CN201510881989.6A CN201510881989A CN105515148B CN 105515148 B CN105515148 B CN 105515148B CN 201510881989 A CN201510881989 A CN 201510881989A CN 105515148 B CN105515148 B CN 105515148B
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- 238000012545 processing Methods 0.000 claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
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- Mobile Radio Communication Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The embodiment of the present invention provides a kind of Remote Radio Unit, alarm for power-off method and base station, is related to communication technical field, for improving the success rate of warning information transmission, while reduces cost.The Remote Radio Unit includes：Processor module and charge-discharge modules, wherein, charge-discharge modules include at least one electric capacity；The input of charge-discharge modules, for being connected with external power source, when external power source normal work, charge-discharge modules are in storing up electricity state；The output end of charge-discharge modules is connected with processor module, for being powered when external power source powers off for processor module；Processor module, for obtaining default warning information when detecting external power source power-off, and default warning information is reported into baseband processing unit.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of Remote Radio Unit, alarm for power-off method and base station.
Background technology
With the fast development of the communication technology, there are a variety of different communication networks such as 2G/3G/4G, these are logical
Mostly using distributed base station come receiving and transmitting signal, distributed base station refers to the baseband processing unit (English of base station communication network：
Base Band Unit, referred to as：BBU) and Remote Radio Unit is (English：Radio Remote Unit, referred to as：RRU) divided
From, and centre is attached by optical fiber.Wherein, a BBU can connect one or more RRU, when a BBU connection is more
During individual RRU, it is connected to after typically multiple RRU are cascaded on BBU, to save fiber resource.
Due in distributed base station running, it is possible that RRU power-off or the optical fiber chain between RRU and BBU
The failure of road fracture, therefore, when multiple RRU are cascaded, typically using the side for sending alarm signal to BBU when RRU powers off
Formula, it is that RRU is powered off to distinguish, rather than fiber link fracture, so that attendant quickly locates failure, and repaired.
In the prior art, when RRU is powered off, RRU hardware can produce an alarm for power-off signal, and in the holding of power supply
In time, warning information is sent to BBU；Or a standby power supply device is provided with inside RRU, by standby after RRU is powered off
With means of power, warning information is sent to BBU.But the former is because the retention time of power supply is shorter, alarm letter is sent
The success rate of breath is relatively low, and higher to the performance requirement of hardware, although the latter can guarantee that being successfully transmitted for alarm for power-off information, but
Be standby power supply device volume is big, cost is high.
The content of the invention
Embodiments of the invention provide a kind of Remote Radio Unit, alarm for power-off method and base station, improve alarm for power-off
The success rate that information is sent, while the charge-discharge modules small volume, cost are low, and using simple.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
First aspect, there is provided a kind of Remote Radio Unit, the Remote Radio Unit include：Processor module and discharge and recharge
Module, wherein, the charge-discharge modules include at least one electric capacity；
The input of the charge-discharge modules, for being connected with external power source, when the external power source normal work, institute
State charge-discharge modules and be in storing up electricity state；
The output end of the charge-discharge modules is connected with the processor module, for being when the external power source powers off
The processor module is powered；
The processor module, for obtaining default warning information when detecting the external power source power-off, and will
The default warning information reports baseband processing unit.
Specifically, when external power source normal work, external power source can be powered for RRU processor module, together
When external power source and charge-discharge modules input connect, can be charge-discharge modules be charged so that at charge-discharge modules
In storing up electricity state.When external power source powers off, charge-discharge modules are changed into discharge condition from storing up electricity state, charge-discharge modules
Output end is connected with processor module, so as to which charge-discharge modules can be powered in discharge condition for processor module.When
When processor module detects that external power source powers off, processor module can obtain default warning information from memory,
And this is preset into warning information and reports baseband processing unit.
With reference in a first aspect, in the first possible implementation of first aspect, the charge-discharge modules are included extremely
Few two electric capacity being connected in parallel.
Wherein, when charge-discharge modules include the electric capacity that at least two are connected in parallel, the electricity of the capacitance group storage after parallel connection
Amount is more times of single electric capacity storage electricity.
With reference to the possible implementation of the first of first aspect or first aspect, second in first aspect may
Implementation in, the charge-discharge modules also include multiple diodes and multiple resistance；
The input of the charge-discharge modules is connected by first resistor with the positive pole of the first diode, the one or two pole
The negative pole of pipe and at least one capacitance connection；
The output end of the charge-discharge modules is connected with the negative pole of the second diode, and the positive pole of second diode passes through
Second resistance and at least one capacitance connection；
The input of the charge-discharge modules is connected with the positive pole of the 3rd diode, the negative pole of the 3rd diode and institute
State the output end connection of charge-discharge modules.
Specifically, when external power source powers off, external power source stops being powered for processor module, now, the one or two
Pole pipe and the 3rd diode are in cut-off state, and the second diode is in the conduction state, and at least one electric capacity is by the electricity of storage
Discharged, to be powered by the path where second resistance and the second diode as processor module.
When external power source normal work, external power source is powered for processor module, and now, the second diode is in
Cut-off state, the first diode is in the conduction state, and external power source is by the path where first resistor and the first diode
At least one electric capacity of charge-discharge modules is charged.
With reference in a first aspect, in the third possible implementation of first aspect, the default warning information includes
RRU is identified and alarm identifier.
It should be noted that the default warning information can be set in advance, the default warning information includes RRU and identifies and accuse
Alert mark, wherein, RRU is identified for unique mark RRU, and RRU marks can be the numbering, IP address, physical address of the RRU
Or sequence code of dispatching from the factory etc., the embodiment of the present invention is not construed as limiting to this, and alarm identifier is for the unique mark RRU alarm for power-off.
Further, the default warning information can be indicated by specified bytes, when processor module passes through CPRI
When default warning information is sent to BBU by interface, the specified bytes can be that two words of producer are kept in the basic frames of CPRI
Section, one of byte can be used for mark RRU marks, and another byte can be used for representing alarm identifier.
Second aspect, there is provided a kind of alarm for power-off method, the radio frequency that methods described is applied to described in above-mentioned first aspect are drawn
Remote unit, methods described include：
When the external power source normal work, the charge-discharge modules are in storing up electricity state；
When external power source powers off, the charge-discharge modules are that the processor module is powered；
When the processor module detects the external power source power-off, the processor module obtains default alarm letter
Breath, and the default warning information is reported into baseband processing unit, wherein, the default warning information identifies including RRU
And alarm identifier.
With reference to second aspect, in the first possible implementation of second aspect, the RRU marks and the alarm
Mark is indicated by specified bytes respectively.
With reference to second aspect, in second of possible implementation of second aspect, methods described also includes：
When the external power source normal work, the external power source is that the processor module is powered.
With reference to second aspect, in the third possible implementation of second aspect, if the charge-discharge modules also wrap
Multiple diodes and multiple resistance are included, wherein, the input of the charge-discharge modules passes through first resistor and the first diode
Positive pole connects, the negative pole of first diode and at least one capacitance connection；The output end of the charge-discharge modules with
The negative pole connection of second diode, the positive pole of second diode pass through second resistance and at least one capacitance connection；
The input of the charge-discharge modules is connected with the positive pole of the 3rd diode, negative pole and the discharge and recharge of the 3rd diode
The output end connection of module；
Accordingly, when the external power source powers off, the charge-discharge modules are that the processor module is powered, and are wrapped
Include：
When the external power source powers off, first diode and the 3rd diode cut-off, the two or two pole
Pipe is turned on, and at least one electric capacity discharged, using by the path where the second resistance and the second diode as institute
Processor module is stated to be powered.
In the third possible implementation with reference to second aspect, in the 4th kind of possible implementation of second aspect
In, when the external power source normal work, the charge-discharge modules are in storing up electricity state, including：
When the external power source normal work, the second diode cut-off, first diode current flow are described outer
Portion's power supply is that at least one electric capacity is charged by the path where the first resistor and the first diode.
The third aspect, a kind of base station is improved, the base station includes above-mentioned first aspect, and the third is possible to first aspect
The Remote Radio Unit of multiple cascades any one of implementation, and baseband processing unit, and the plurality of cascade
Connected between Remote Radio Unit and BBU by optical fiber.
A kind of Remote Radio Unit, alarm for power-off method and the base station that embodiments of the invention provide, by passing through
In external power source normal work, the processor module that external power source is RRU is powered, while is charged for charge-discharge modules,
When external power source powers off, charge-discharge modules are powered for processor module, when processor module detects that external power source breaks
When electric, processor module obtains default warning information, and default warning information is reported into baseband processing unit, so as to improve
The success rate that alarm for power-off information is sent, while charge-discharge modules small volume, the cost of the RRU are low, and using simple.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of system architecture diagram of distributed base station provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of Remote Radio Unit provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of charge-discharge modules provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet of alarm for power-off method provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment one
The system architecture diagram for the distributed base station that Fig. 1 is provided by the embodiment of the present invention, as shown in figure 1, the system architecture
Figure includes the (English of baseband processing unit 101：Base Band Uni, t are referred to as：BBU), the Remote Radio Unit 102 of multiple cascades
(English：Radio Remote Unit, referred to as：RRU), antenna 103.Wherein, a BBU can connect one or more
RRU, as a BBU multiple RRU of connection, it is connected to after multiple RRU are cascaded on BBU, fiber resource can be saved, after cascade
The fibre core quantity needed is the 1/N before cascade.
Distributed base station refers to be separated the BBU of base station and RRU, and BBU is placed on into computer room, and RRU is placed
In the remote location close to antenna, BBU and RRU are attached by centre by optical fiber, can be by coaxial between RRU and antenna
Cable and power splitter or coupler etc. are attached.Wherein, BBU has Base-Band Processing function, for example encode, be multiplexed, modulating,
Spread spectrum etc., and the function such as signaling processing, while also there is signaling processing, local and remote Operation and Maintenance function, and base station
Working Status Monitoring and warning information reporting functions etc..
RRU can specifically carry out the modulation /demodulation of optical transport, Digital up and down convert, A/D conversions etc., and complete intermediate frequency letter
The conversion of radiofrequency signal number is arrived, then carries out power amplifier filtering process, most radiofrequency signal is launched by antenna opening at last.
Embodiment two
Fig. 2 is a kind of radio frequency remote unit RRU provided in an embodiment of the present invention, as shown in Fig. 2 the Remote Radio Unit bag
Include：Processor module 1 and charge-discharge modules 2, wherein, charge-discharge modules include at least one electric capacity 21；
The input of charge-discharge modules 2 is used to be connected with external power source 3, when 3 normal work of external power source, discharge and recharge mould
Block 2 is in storing up electricity state；
The output end of charge-discharge modules 2 is connected with processor module 1, for being processor module when external power source powers off
1 is powered；
Processor module 1 is used for when detecting that the external power source 3 powers off, and obtains default warning information, and will be pre-
If warning information reports baseband processing unit 4.
Specifically, when 3 normal work of external power source, external power source 3 can be powered for RRU processor module 1,
External power source 3 is connected with the input of charge-discharge modules 2 simultaneously, can be that charge-discharge modules 2 are charged, so that discharge and recharge mould
Block 2 is in storing up electricity state.When external power source 3 powers off, charge-discharge modules 2 are changed into discharge condition, charge and discharge from storing up electricity state
The output end of electric module 2 is connected with processor module 1, so as to which charge-discharge modules 2 can be processor module 1 in discharge condition
It is powered.When processor module 1 detects that external power source 3 powers off, processor module 1 can obtain from memory
Default warning information, and this is preset into warning information and reports baseband processing unit 4.
Wherein, when processor module 1 detects that external power source 3 powers off, processor module 1 can be based on external electrical
The change of electric current, the electrical parameter such as voltage that source 3 provides determines that external power source 3 powers off, such as, when processor module 1 detects
To external power source 3 provide current value vanishing when, it may be determined that external power source 3 is powered off.
In addition, when this is preset warning information and reports BBU4 by processor module 1, processor module 1 can pass through
CPRI interfaces (English：Common Public Radio Interface, Chinese：Common public radio interface), or IR connects
Default warning information is sent to baseband processing unit 4 by mouth etc..
It should be noted that the default warning information can be set in advance, and the default warning information include RRU marks and
Alarm identifier, wherein, RRU is identified for unique mark RRU, and RRU marks can be the numbering of the RRU, IP address, physically
Location or sequence code of dispatching from the factory etc., the embodiment of the present invention is not construed as limiting to this, and alarm identifier is used for unique mark RRU power-off and accused
It is alert.
Further, the default warning information can be indicated by specified bytes, when processor module passes through CPRI
When default warning information is sent to BBU by interface, the specified bytes can be that two words of producer are kept in the basic frames of CPRI
Section, one of byte can be used for mark RRU marks, and another byte can be used for representing alarm identifier.
For example RRU numbering is that 1, RRU marks can be able to be for the alarm identifier of 00000001, RRU alarm for power-off
00000001, when default warning information is sent to BBU by processor module by CPRI interfaces, BBU can be default based on this
Warning information determine be numbering be 1 RRU there occurs disconnection fault.
, can be with it should be noted that when representing the default warning information by keeping for the two of producer specified bytes
At most represent 256 RRU, and RRU 256 kinds of failures.
Optionally, charge-discharge modules include at least two electric capacity being connected in parallel, when charge-discharge modules include at least two
During the electric capacity being connected in parallel, the electricity of the capacitance group storage after parallel connection is more times of single electric capacity storage electricity.
Optionally, as shown in figure 3, charge-discharge modules also include multiple diodes and multiple resistance, wherein, charge-discharge modules
2 input is connected by first resistor 22 with the positive pole of the first diode 23, the negative pole of the first diode 23 with it is at least one
Electric capacity 21 connects；
The output end of charge-discharge modules 2 is connected with the negative pole of the second diode 24, and the positive pole of the second diode 24 passes through
Two resistance 25 are connected with least one electric capacity 21；
The input of charge-discharge modules 2 is connected with the positive pole of the 3rd diode 26, the negative pole of the 3rd diode 26 and charge and discharge
The output end connection of electric module 2.
Specifically, when external power source 3 powers off, external power source 3 stops being powered for processor module 1, now, first
The voltage of diode 23 and the positive pole of the 3rd diode 26 is less than the voltage of negative pole, so as to the first diode 23 and the 3rd diode 26
In cut-off state, the voltage of the positive pole of the second diode 24 is more than the voltage of negative pole, so as to which the second diode 24 is on shape
State, at least one electric capacity 21 are discharged the electricity of storage, to pass through the road where 25 and second diode of second resistance 24
Footpath is that processor module 1 is powered.
When 3 normal work of external power source, external power source 3 is that processor module 1 is powered, now, the second diode
The voltage of 24 positive poles is less than the voltage of negative pole, so as to which the second diode 24 is in cut-off state, the electricity of the positive pole of the first diode 23
Pressure is more than the voltage of negative pole, and so as to which the first diode 23 is in the conduction state, external power source 3 passes through first resistor 22 and the 1st
Charged at least one electric capacity 21 of charge-discharge modules 2 in path where pole pipe 23.
The embodiments of the invention provide a kind of Remote Radio Unit, the Remote Radio Unit includes processor module and charge and discharge
Electric module, wherein, charge-discharge modules include at least one electric capacity, and the input of charge-discharge modules is used to be connected with external power source,
When external power source normal work, charge-discharge modules are in storing up electricity state；The output end of charge-discharge modules connects with processor module
Connect, for being powered when external power source powers off for processor module；Processor module, for detecting that external power source breaks
Default warning information is obtained when electric, and default warning information is reported into baseband processing unit, so as to pass through charge-discharge modules
The success rate of alarm for power-off information transmission is improved, while the charge-discharge modules small volume, cost are low, and using simple.
Embodiment three
Fig. 4 is a kind of flow chart of alarm for power-off method provided in an embodiment of the present invention, this method be applied to above-mentioned Fig. 2 and
Remote Radio Unit described in Fig. 3, as shown in figure 4, this method includes following steps.
Step 201：When external power source normal work, charge-discharge modules are in storing up electricity state.
When external power source normal work, the input connection of external power source and charge-discharge modules, can be discharge and recharge mould
Block is charged, so that charge-discharge modules are in storing up electricity state, while external power source is connected with processor module, can be RRU
Processor module be powered.
Further, the charge-discharge modules also include multiple diodes and multiple resistance, wherein, the input of charge-discharge modules
It is connected by first resistor with the positive pole of the first diode, the negative pole of the first diode and at least one capacitance connection；Discharge and recharge
The output end of module is connected with the negative pole of the second diode, and the positive pole of the second diode passes through second resistance and at least one electric capacity
Connection；The input of charge-discharge modules is connected with the positive pole of the 3rd diode, the negative pole of the 3rd diode and charge-discharge modules
Output end connects.
Accordingly, when external power source normal work, charge-discharge modules, which are in storing up electricity state, to be included：When external power source is normal
During work, external power source is that processor module 1 is powered, and now, the voltage of the second diode cathode is less than the voltage of negative pole,
So as to which the second diode is in cut-off state, the voltage of the first diode cathode is more than the voltage of negative pole, so as to the first diode
In the conduction state, external power source is at least one of charge-discharge modules by the path where first resistor and the first diode
Electric capacity is charged.
It should be noted that when at least one electric capacity includes the electric capacity that at least two are connected in parallel, the electricity after parallel connection
The electricity of appearance group storage is more times of single electric capacity storage electricity.
Step 202：When external power source powers off, charge-discharge modules are powered for processor module.
When external power source powers off, charge-discharge modules are changed into discharge condition from storing up electricity state, charge-discharge modules it is defeated
Go out end to be connected with processor module, so as to which charge-discharge modules are in discharge condition, can be powered for processor module.
Further, when the charge-discharge modules also include multiple diodes and multiple resistance described in above-mentioned steps 201, phase
Answer, when external power source powers off, charge-discharge modules be processor module be powered including：When external power source powers off, outside
Portion's power supply stops being powered for processor module, and now, the voltage of the first diode and the 3rd diode cathode is less than negative pole
Voltage, so as to which the first diode and the 3rd diode be in cut-off state, the voltage of the second diode cathode is more than negative pole
Voltage, so as to which the second diode is in the conduction state, at least one electric capacity is discharged the electricity of storage, to pass through the second electricity
Path where resistance and the second diode is powered for processor module.
Step 203：When processor module detects external power source power-off, processor module obtains default warning information,
And this is preset into warning information and reports baseband processing unit, wherein, the default warning information includes RRU and identifies and alert mark
Know.
Wherein, when processor module detects that external power source 3 powers off, processor module can be based on external power source
The change of the electrical parameters such as the electric current of offer, voltage determines that external power source powers off, such as, when processor module detects outside
During the current value vanishing that power supply provides, it may be determined that external power source is powered off.
In addition, when this is preset warning information and reports BBU by processor module, processor module can be connect by CPRI
Mouth (English：Common Public Radio Interface, Chinese：Common public radio interface), or IR interfaces etc. will
Default warning information is sent to baseband processing unit.
It should be noted that the default warning information can be set in advance, and the default warning information include RRU marks and
Alarm identifier, wherein, RRU is identified for unique mark RRU, and RRU marks can be the numbering of the RRU, IP address, physically
Location or sequence code of dispatching from the factory etc., the embodiment of the present invention is not construed as limiting to this, and alarm identifier is used for unique mark RRU power-off and accused
It is alert.
Further, the default warning information can be indicated by specified bytes, when processor module passes through CPRI
When default warning information is sent to BBU by interface, the specified bytes can be that two words of producer are kept in the basic frames of CPRI
Section, one of byte can be used for mark RRU marks, and another byte can be used for representing alarm identifier.
For example RRU numbering is that 1, RRU marks can be able to be for the alarm identifier of 00000001, RRU alarm for power-off
00000001, when default warning information is sent to BBU by processor module by CPRI interfaces, BBU can be default based on this
Warning information determine be numbering be 1 RRU there occurs disconnection fault.
, can be with it should be noted that when representing the default warning information by keeping for the two of producer specified bytes
At most represent 256 RRU, and RRU 256 kinds of failures.
A kind of alarm for power-off method provided in an embodiment of the present invention, by external power source normal work, external power source
Power for processor module, while charged for charge-discharge modules, when external power source powers off, charge-discharge modules are processor
Module is powered, and when processor module detects external power source power-off, processor module obtains default warning information, and will
Default warning information reports baseband processing unit, so as to improve the success rate of alarm for power-off information transmission, while this method
Used charge-discharge modules small volume, cost are low, and using simple.
Example IV
The embodiment of the present invention provides a kind of base station, and the frequency for penetrating multiple cascades that the base station includes described in above-mentioned Fig. 2, Fig. 3 is drawn
Remote unit and baseband processing unit BBU, and connected between the Remote Radio Unit and BBU of the plurality of cascade by optical fiber.
A kind of base station provided in an embodiment of the present invention, by the way that in external power source normal work, external power source is processor
Module for power supply, while charged for charge-discharge modules, when external power source powers off, charge-discharge modules are carried out for processor module
Power supply, when processor module detects external power source power-off, processor module obtains default warning information, and by default alarm
Information reporting is to baseband processing unit, so as to improve the success rate of alarm for power-off information transmission, while the Remote Radio Unit
Including charge-discharge modules small volume, cost it is low, and using simple.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of radio frequency remote unit RRU, it is characterised in that the Remote Radio Unit includes：Processor module and discharge and recharge
Module, wherein, the charge-discharge modules include at least one electric capacity, multiple diodes and multiple resistance；
The input of the charge-discharge modules, it is described to fill when the external power source normal work for being connected with external power source
Discharge module is in storing up electricity state；
The output end of the charge-discharge modules is connected with the processor module, for being described when the external power source powers off
Processor module is powered；
The processor module, for obtaining default warning information when detecting the external power source power-off, and by described in
Default warning information reports baseband processing unit；
Wherein, the input of the charge-discharge modules is connected by first resistor with the positive pole of the first diode, and the described 1st
The negative pole of pole pipe and at least one capacitance connection；The output end of the charge-discharge modules and the negative pole of the second diode connect
Connect, the positive pole of second diode passes through second resistance and at least one capacitance connection；The charge-discharge modules it is defeated
Enter end to be connected with the positive pole of the 3rd diode, the negative pole of the 3rd diode is connected with the output end of the charge-discharge modules.
2. Remote Radio Unit as claimed in claim 1, it is characterised in that it is in parallel that the charge-discharge modules include at least two
The electric capacity of connection.
3. Remote Radio Unit as claimed in claim 1, it is characterised in that the default warning information include RRU mark and
Alarm identifier.
A kind of 4. alarm for power-off method, it is characterised in that methods described is applied to the remote radio list described in the claims 1
First RRU, methods described include：
When the external power source normal work, the charge-discharge modules are in storing up electricity state；
When external power source powers off, the charge-discharge modules are that the processor module is powered；
When the processor module detects the external power source power-off, the processor module obtains default warning information,
And the default warning information is reported into baseband processing unit, wherein, the default warning information includes RRU and identifies and accuse
Alert mark；
Wherein, the charge-discharge modules include at least one electric capacity, multiple diodes and multiple resistance；The charge-discharge modules
Input is connected by first resistor with the positive pole of the first diode, the negative pole of first diode and at least one electricity
Hold connection；The output end of the charge-discharge modules is connected with the negative pole of the second diode, and the positive pole of second diode passes through
Second resistance and at least one capacitance connection；The input of the charge-discharge modules is connected with the positive pole of the 3rd diode,
The negative pole of 3rd diode is connected with the output end of the charge-discharge modules.
5. method as claimed in claim 4, it is characterised in that the RRU marks and the alarm identifier are respectively by specifying
Byte is indicated.
6. method as claimed in claim 4, it is characterised in that methods described also includes：
When the external power source normal work, the external power source is that the processor module is powered.
7. method as claimed in claim 4, described when the external power source powers off, the charge-discharge modules are the processing
Device module is powered, including：
When the external power source powers off, first diode and the 3rd diode cut-off, second diode are led
Logical, at least one electric capacity is discharged, using by the path where the second resistance and the second diode as the place
Reason device module is powered.
8. method as claimed in claim 7, it is characterised in that described when the external power source normal work, the charge and discharge
Electric module is in storing up electricity state, including：
When the external power source normal work, the second diode cut-off, first diode current flow, the external electrical
Source is that at least one electric capacity is charged by the path where the first resistor and the first diode.
9. a kind of base station, it is characterised in that the base station includes the Remote Radio Unit and baseband processing unit of multiple cascades
BBU, the Remote Radio Unit are the Remote Radio Unit described in the claims any one of 1-3, and the multiple cascade
Remote Radio Unit and the BBU between connected by optical fiber.
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| CN201510881989.6A CN105515148B (en) | 2015-12-03 | 2015-12-03 | A kind of Remote Radio Unit, alarm for power-off method and base station |
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| CN105515148B true CN105515148B (en) | 2017-12-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108377303B (en) * | 2018-01-17 | 2020-05-12 | 苏州摩联通信技术有限公司 | Modem and power supply method of modem |
| CN109756373B (en) * | 2019-01-07 | 2022-02-01 | 烽火通信科技股份有限公司 | Communication equipment power failure warning method and system |
| CN116133029B (en) * | 2022-12-14 | 2024-06-04 | 三维通信股份有限公司 | Fault processing system, method, communication device, and computer storage medium |
| CN117234815B (en) * | 2023-01-10 | 2024-08-13 | 荣耀终端有限公司 | Terminal equipment and external equipment access detection system |
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| CN102625329A (en) * | 2011-01-30 | 2012-08-01 | 鼎桥通信技术有限公司 | Remote radio unit (RRU) brownout detection method and RRU |
| CN102647739A (en) * | 2011-02-18 | 2012-08-22 | 鼎桥通信技术有限公司 | Radio remote unit |
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