CN109495916A - A kind of communication means and equipment - Google Patents
A kind of communication means and equipment Download PDFInfo
- Publication number
- CN109495916A CN109495916A CN201811380242.2A CN201811380242A CN109495916A CN 109495916 A CN109495916 A CN 109495916A CN 201811380242 A CN201811380242 A CN 201811380242A CN 109495916 A CN109495916 A CN 109495916A
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- Prior art keywords
- control apparatus
- wireless control
- equipment
- heartbeat
- access network
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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
- H04W36/00—Hand-off or reselection arrangements
- H04W36/10—Reselecting an access point controller
Abstract
The embodiment of the present application discloses a kind of communication means and equipment, is related to the communications field, can be avoided RNC equipment rob repeatedly it is main caused by the impaired problem of user communication business.The communication means is applied to the communication network including the first wireless control apparatus, the second wireless control apparatus, access network equipment and equipment of the core network, and the first wireless control apparatus, the second wireless control apparatus share the same interface of equipment of the core network.The described method includes: the first wireless control apparatus judges whether the connection between the first wireless control apparatus and access network equipment disconnects in the case that the heartbeat link between the first wireless control apparatus and the second wireless control apparatus disconnects；If the determining connection between access network equipment of the first wireless control apparatus disconnects, the first wireless control apparatus stops sending link setup request to equipment of the core network.
Description
Technical field
The embodiment of the present application relates to the communications field more particularly to a kind of communication means and equipment.
Background technique
Currently, can be increased newly in radio network controller (radio network controller, RNC) equipment room privately owned
Interface, RNC equipment can be communicated by newly-increased privately owned interface, these RNC equipment can form a RNC equipment resource
Pond.RNC equipment resource pool may include a main RNC equipment and a spare RNC equipment.When spare RNC equipment does not receive
The heartbeat message that main RNC equipment is sent, spare RNC equipment will actively upgrade as main RNC equipment, accept base station and core net it
Between communication service.
In the prior art, after spare RNC equipment upgrading is main RNC equipment, original main RNC equipment will not be actively reduced to
Spare RNC equipment.Just will appear two main RNC equipment in RNC equipment resource pool, so occur RNC equipment rob repeatedly it is main
Situation, i.e. two RNC equipment, which all continuously attempt to establish, establishes connection with core net.For core net, the two RNC equipment
Belong to the same logic RNC, core net can only establish connection with one of RNC equipment.Exemplary, RNC1 and core net are established
After connection, after the link setup request for receiving RNC2, can only deactivate link establishment core net between core net and RNC1 with
Link between RNC2.RNC2 and core net are established after connection, and the link setup request of RNC1 is received, and need to deactivate core net
Link establishment core net between RNC2 and the link between RNC1.
Repeatedly, the communication service of the serviced user of RNC equipment resource pool is caused to be constantly in flash state, user's
Communication service is difficult to set up.
Summary of the invention
The embodiment of the present application provides a kind of communication means and equipment, avoid RNC equipment rob repeatedly it is main caused by user it is logical
The impaired problem of communication service.
In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that
In a first aspect, disclosing a kind of communication means, communication means is applied to include the first wireless control apparatus, the second nothing
The communication network of line traffic control control equipment, access network equipment and equipment of the core network, the first wireless control apparatus, the second wireless controlled are set up
The same interface of standby shared equipment of the core network, this method comprises: in the first wireless control apparatus and the second wireless control apparatus
Between heartbeat link disconnect in the case where, the first wireless control apparatus further judge the first wireless control apparatus and access net
Whether the connection between equipment disconnects.If the determining connection between access network equipment of the first wireless control apparatus disconnects, can
To think that the business of access network equipment is possible to the chain having had been switched between access network equipment and the second wireless control apparatus
On the road, therefore, the first wireless control apparatus stops sending link setup request to equipment of the core network.
The embodiment of the present invention provides a kind of communication means, the first wireless control apparatus and the second wireless control apparatus it
Between heartbeat link disconnect in the case where, the first wireless control apparatus judges between the first wireless control apparatus and access network equipment
Connection whether disconnect.For core net, the first wireless control apparatus belongs to same patrol with the second wireless control apparatus
Collect IU mouthfuls.Further, if the connection between the determination of the first wireless control apparatus and the access network equipment disconnects, stop to core
Heart net equipment sends link setup request.In the embodiment of the present invention, when the heartbeat link between spare RNC equipment and main RNC equipment is complete
Portion disconnects, and spare RNC equipment does not receive the heartbeat message of main RNC equipment, and spare RNC equipment is actively upgraded to main RNC equipment, former
The service switching of access network equipment under main RNC equipment (i.e. above-mentioned first wireless control apparatus) has arrived new main RNC equipment (i.e.
Above-mentioned second wireless control apparatus) and access network equipment between chain road.Then, former main RNC equipment determination and former spare RNC
Heartbeat link between equipment disconnects, and is also to disconnect with the connection of access network equipment, and former main RNC equipment can think
Active and standby RNC equipment is switched, and original spare RNC equipment has been upgraded to main RNC equipment, former main RNC equipment then no longer to
Equipment of the core network sends link setup request, and equipment of the core network can keep connection status until next with new main RNC equipment always
Secondary failure, in this way, avoiding IU mouth between equipment of the core network and RNC equipment flash repeatedly, and then can be to avoid access net
The business of lower the be resident UE of equipment is normally established, and avoids the communication service of user impaired.
With reference to first aspect, in the first possible implementation of the first aspect, this method further include: first is wireless
Control equipment does not receive the first heartbeat message of the second wireless control apparatus transmission, it is determined that the first wireless control apparatus and the
Heartbeat link between two wireless control apparatus disconnects.
It should be noted that the first heartbeat message is the heartbeat message between RNC equipment, RNC equipment receives first heart
Message is jumped it may be considered that the heartbeat link between RNC equipment is normal, RNC equipment, which does not receive the first heartbeat message, can then recognize
Heartbeat link between RNC equipment disconnects.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect
In, the first heartbeat message include: the second wireless control apparatus by the first wireless control apparatus and the second wireless control apparatus it
Between privately owned interface send heartbeat message, access network equipment forwarding heartbeat message from the second wireless control apparatus and
The heartbeat message of radio network configuration management equipment forwarding passed through from the second wireless control apparatus；Wherein, wireless network is matched
It is synchronous to set data of the management equipment for completing between the first wireless control apparatus and the second wireless control apparatus.
In the embodiment of the present invention, a total of 3 heartbeat links between RNC equipment, therefore, first message includes this 3
Heartbeat message on path.It, then can be with when RNC equipment does not receive the heartbeat message from RNC equipment on this 3 paths
Think that the heartbeat link between RNC equipment disconnects.
With reference to first aspect or the possible implementation of first or second kind of first aspect, the first wireless control apparatus are sentenced
It includes: in the first wireless control apparatus and second that whether the connection between disconnected first wireless control apparatus and access network equipment, which disconnects,
After heartbeat link between wireless control apparatus breaks, the first wireless control apparatus monitors whether to receive access network equipment transmission
The second heartbeat message, the link state that the second heartbeat message is used to indicate access network equipment and the first wireless control apparatus is positive
Often.
Link between first wireless control apparatus and access network equipment disconnects, and the second wireless control apparatus is set with access net
Interface fault between standby, be likely to result in the first wireless control apparatus do not receive access network equipment forwarding from second
Heartbeat message between wireless control apparatus.But if the link between the first wireless control apparatus and access network equipment is disconnected
It opens, it is necessary to by the service switching of access network equipment to the chain road between the second wireless control apparatus and access network equipment.?
That is the second wireless control apparatus is upgraded to main equipment, then the first wireless control apparatus just needs to be reduced to stand-by equipment, avoid
RNC equipment robs master repeatedly, equipment of the core network IU interface repeatedly flash the problem of.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect
In, if the determining connection disconnection between access network equipment of the first wireless control apparatus include: the first wireless control apparatus with
After heartbeat link between second wireless control apparatus breaks, the first wireless control apparatus does not receive access network equipment transmission
Second heartbeat message, it is determined that the connection between the first wireless control apparatus and access network equipment disconnects.
It should be noted that the second heartbeat message is that RNC equipment (such as: the first wireless control apparatus) and base station (are accessed
Net equipment) between heartbeat message, RNC equipment receives the second heartbeat message it may be considered that between RNC equipment and base station
Link is normal, and RNC equipment does not receive the second heartbeat message it may be considered that the link between RNC equipment and base station disconnects.
Second aspect, discloses a kind of wireless control apparatus, and wireless control apparatus is the first wireless controlled in communication network
Control equipment, communication network further include the communication network of the second wireless control apparatus, access network equipment and equipment of the core network, and first
Wireless control apparatus, the second wireless control apparatus share the same interface of equipment of the core network, comprising: processing unit is used for
In the case that heartbeat link between first wireless control apparatus and the second wireless control apparatus disconnects, the first wireless control is judged
Whether the connection between equipment and access network equipment disconnects；Communication unit, if determining that the first wireless controlled is set up for processing unit
The standby connection between access network equipment disconnects, then stops sending link setup request to equipment of the core network.
In conjunction with second aspect, in the first possible implementation of the second aspect, processing unit is also used to, if communication
Unit does not receive the first heartbeat message of the second wireless control apparatus transmission, it is determined that the first wireless control apparatus and the second nothing
Heartbeat link between line traffic control control equipment disconnects.
In conjunction with the first possible implementation of second aspect, in second of possible implementation of second aspect
In, the first heartbeat message include: the second wireless control apparatus by the first wireless control apparatus and the second wireless control apparatus it
Between privately owned interface send heartbeat message, access network equipment forwarding heartbeat message from the second wireless control apparatus and
The heartbeat message of radio network configuration management equipment forwarding passed through from the second wireless control apparatus；Wherein, wireless network is matched
It is synchronous to set data of the management equipment for completing between the first wireless control apparatus and the second wireless control apparatus.
In conjunction with the possible implementation of first or second kind of second aspect or second aspect, in the third of second aspect
In possible implementation, processing unit is specifically used for, between the first wireless control apparatus and the second wireless control apparatus
After heartbeat link is disconnected, whether monitoring communication unit receives the second heartbeat message of access network equipment transmission, and the second heartbeat disappears
It is normal that breath, which is used to indicate access network equipment and the link state of the first wireless control apparatus,.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect
In, processing unit is specifically used for, if the heartbeat link between the first wireless control apparatus and the second wireless control apparatus breaks it
Afterwards, communication unit does not receive the second heartbeat message of access network equipment transmission, it is determined that the first wireless control apparatus and access
Connection between net equipment disconnects.
The third aspect, discloses a kind of wireless control apparatus, and wireless control apparatus is the first wireless controlled in communication network
Control equipment, communication network further include the communication network of the second wireless control apparatus, access network equipment and equipment of the core network, and first
Wireless control apparatus, the second wireless control apparatus share the same interface of equipment of the core network, comprising: processor, for the
In the case that heartbeat link between one wireless control apparatus and the second wireless control apparatus disconnects, judge that the first wireless controlled is set up
Whether the standby connection between access network equipment disconnects；Transceiver, if determining the first wireless control apparatus for processor and connecing
Connection between log equipment disconnects, then stops sending link setup request to equipment of the core network.
In conjunction with the third aspect, in the first possible implementation of the third aspect, processor is also used to, if transceiver
The first heartbeat message of the second wireless control apparatus transmission is not received, it is determined that the first wireless control apparatus and the second wireless controlled
Heartbeat link between control equipment disconnects.
In conjunction with the first possible implementation of the third aspect, in second of possible implementation of the third aspect
In, the first heartbeat message include: the second wireless control apparatus by the first wireless control apparatus and the second wireless control apparatus it
Between privately owned interface send heartbeat message, access network equipment forwarding heartbeat message from the second wireless control apparatus and
The heartbeat message of radio network configuration management equipment forwarding passed through from the second wireless control apparatus；Wherein, wireless network is matched
It is synchronous to set data of the management equipment for completing between the first wireless control apparatus and the second wireless control apparatus.
In conjunction with the possible implementation of first or second kind of the third aspect or the third aspect, in the third of the third aspect
In possible implementation, processor is specifically used for, the heart between the first wireless control apparatus and the second wireless control apparatus
After hop link is disconnected, whether monitoring transceiver receives the second heartbeat message of access network equipment transmission, and the second heartbeat message is used
In instruction access network equipment and the link state of the first wireless control apparatus be normal.
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect
In, processor is specifically used for, if after the heartbeat link between the first wireless control apparatus and the second wireless control apparatus is disconnected,
Transceiver does not receive the second heartbeat message of access network equipment transmission, it is determined that the first wireless control apparatus and access network equipment
Between connection disconnect.
Fourth aspect discloses a kind of computer readable storage medium, comprising: be stored in computer readable storage medium
Instruction；When computer readable storage medium is in above-mentioned second aspect and second aspect any one implementation, the third aspect
And when being run on the first wireless control apparatus described in the third aspect any one implementation, so that the first wireless control is held
Communication means of the row as described in above-mentioned first aspect and first aspect any one implementation.
5th aspect, discloses a kind of wireless communication device, comprising: instruction is stored in wireless communication device；When wireless
Communication device is appointed in above-mentioned second aspect and second aspect any one implementation, the above-mentioned third aspect and the third aspect
When being run in the first wireless control described in a kind of implementation of anticipating so that the first wireless control execute as above-mentioned first aspect with
And communication means described in first aspect any one implementation, wireless communication device is chip.
Detailed description of the invention
Fig. 1 is the architecture diagram of communication network provided by the embodiments of the present application；
Fig. 2 is the schematic diagram of heartbeat link provided by the embodiments of the present application；
Fig. 3 is the architecture diagram of wireless control apparatus provided by the embodiments of the present application；
Fig. 4 is the flow diagram of communication means provided in an embodiment of the present invention；
Fig. 5 is communication link schematic diagram provided in an embodiment of the present invention；
Fig. 6 is another flow diagram of communication means provided in an embodiment of the present invention；
Fig. 7 is another architecture diagram of wireless control apparatus provided in an embodiment of the present invention；
Fig. 8 is another architecture diagram of wireless control apparatus provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in the application is described.
Currently, can be communicated by newly-increased privately owned interface (Iur-p interface) between RNC equipment, different RNC is set
The standby data that may be implemented synchronize.Therefore, multiple RNC equipment can be added in a networking, when one of RNC equipment event
After barrier, the communication service of user can be accepted by other RNC equipment.Fig. 1 be include RNC resource pool (RNC in pool) networking
A kind of communication network architecture diagram, as shown in Figure 1, the communication network includes base station, RNC resource pond networking, user equipment
(user equipment, UE), configuration management tool (Configuration Management Express) network element and core
Heart net equipment.RNC resource pond networking includes at least two RNC equipment, mutually redundant can be backed up between each RNC equipment, a certain
A RNC equipment can be taken over the ordinary business practice of the RNC equipment by backup RNC after breaking down, so that fast quick-recovery user's is logical
Communication service, lifting system reliability.For core net, multiple RNC equipment in RNC resource pond networking are substantially same
Destination signaling point belongs to same logical links, and switching active and standby RNC equipment is the physical IP address having switched for communicating.
In the specific implementation, by the necessary facility information of Iur-p interactive interfacing between each RNC equipment in RNC resource pool, such as: setting
Standby information on load, heartbeat message etc..
Exemplary, with reference to Fig. 1, RNC resource pond networking includes RNC1 and RNC2, and RNC1 backs up the data for having RNC2, RNC2
Backup has the data of RNC1, and when RNC1 breaks down, the communication service of RNC1 can be accepted by RNC2.If there is event in RNC2
Barrier, the communication service of RNC2 can be accepted by RNC1.
In addition, CME can provide automatic synchronizing function, complete logic RNC data between two RNC equipment it is automatic same
Step.It should be noted that another RNC equipment can take over base under former RNC equipment after in order to ensure a RNC equipment failure
The control stood simultaneously continues as these base stations and provides service, it is desirable that exists simultaneously Iub between these base stations and two RNC equipment and connects
Mouthful, in embodiments of the present invention, these base stations can be known as to dual-homed base station.
In communication system shown in FIG. 1, base station can establish connection with RNC equipment, and RNC equipment can be with equipment of the core network
Connection is established, the terminal device of user passes through access base station.Between terminal device before progress communication service, it is necessary first to pass through
Base station, RNC equipment receive the transfer resource of core net configuration, then can be according to core net allocation of transmission resources and other terminals
Equipment is communicated.It is communicated with core net.Only one equipment of synchronization grasps the control to base station in RNC resource pool
Power, this RNC equipment are properly termed as main RNC equipment, other RNC equipment are properly termed as spare RNC equipment.Main RNC equipment is grasped
When base station control, message can be sent to spare RNC equipment.
With reference to Fig. 2, main RNC equipment can pass through following three paths (heartbeat link is properly termed as in the embodiment of the present invention)
Heartbeat message is sent to spare RNC equipment:
Heartbeat link 1: main RNC equipment is by the Iur-p interface between spare RNC equipment directly to spare RNC equipment
Send heartbeat message.
Heartbeat link 2: main RNC equipment sends heartbeat message to spare RNC equipment by dual-homed base station.It is exemplary, ginseng
Fig. 2 is examined, there are Iub interface between base station 1 and RNC1 and RNC2, RNC1 is main RNC equipment, and RNC2 is spare RNC equipment.
RNC1 can send heartbeat message to base station 1, and the heartbeat message from RNC1 can be transmitted to RNC2 by base station 1.
Heartbeat link 3: main RNC equipment sends heartbeat message to spare RNC equipment by CME.It is exemplary, with reference to Fig. 2,
RNC1 is main RNC equipment, and RNC2 is spare RNC equipment.RNC1 can send heartbeat message to CME, and CME can will be from RNC1
Heartbeat message is transmitted to RNC2.
If spare RNC equipment does not all receive the heartbeat message for carrying out autonomous RNC equipment in above three heartbeat links.It is standby
With RNC equipment, then actively adapter tube control is taken over, and attempts the whole business for taking over main RNC equipment.Spare RNC equipment is upgraded to master
After RNC equipment, heartbeat message actively can be sent to spare RNC equipment (including previous main RNC equipment).Due to current master
Heartbeat link failure between RNC equipment and previous main RNC equipment, previous main RNC equipment do not receive heartbeat message just
Spare RNC equipment will not be actively reduced to.There are multiple main RNC equipment in system, and link setup request can be sent to core net, can be gone out
Existing multiple RNC equipment rob main phenomenon repeatedly, and the communication service of user is caused to be difficult to set up.
It is exemplary, it is the backup RNC of RNC1 with reference to Fig. 1, RNC2.When three heartbeat link whole failures, RNC2 is received not
To the heartbeat message from RNC1, RNC2 is actively upgraded to main RNC equipment.After RNC2 is upgraded to main RNC equipment, the heart can be sent to RNC1
Message is jumped, due to three heartbeat link whole failures, RNC1 does not receive the heartbeat message from RNC2.RNC1 and RNC2 is not
It is disconnected to attempt to send link setup demand signalling link to core net by the IU mouth between core net.For core net, RNC1
Belong to the same logic RNC with RNC2, core and the IU mouth of this logic RNC can only establish a normal link.Therefore, work as core
After heart net receives the link setup request of RNC2, core net can actively deactivate the link between RNC1, just establish on this link
Communication service interrupting service establish.After subsequent core net receives the link setup request of RNC1, can actively it deactivate between RNC2
Link, the communication service interrupting service just established on this link establishes.IU mouthfuls repeatedly flash lead to lower the be resident UE in base station
Business be difficult to set up, cause the communication service of user impaired.
The embodiment of the present invention provides a kind of communication means, the first wireless control apparatus and the second wireless control apparatus it
Between heartbeat link disconnect in the case where, the first wireless control apparatus judges between the first wireless control apparatus and access network equipment
Connection whether disconnect.For core net, the first wireless control apparatus belongs to same patrol with the second wireless control apparatus
Collect IU mouthfuls.Further, if the connection between the determination of the first wireless control apparatus and the access network equipment disconnects, stop to core
Heart net equipment sends link setup request.In the embodiment of the present invention, when the heartbeat link between spare RNC equipment and main RNC equipment is complete
Portion disconnects, and spare RNC equipment does not receive the heartbeat message of main RNC equipment, and spare RNC equipment is actively upgraded to main RNC equipment, former
The service switching of access network equipment under main RNC equipment (i.e. above-mentioned first wireless control apparatus) has arrived new main RNC equipment (i.e.
Above-mentioned second wireless control apparatus) and access network equipment between chain road.Then, former main RNC equipment determination and former spare RNC
Heartbeat link between equipment disconnects, and is also to disconnect with the connection of access network equipment, and former main RNC equipment can think
Active and standby RNC equipment is switched, and original spare RNC equipment has been upgraded to main RNC equipment, former main RNC equipment then no longer to
Equipment of the core network sends link setup request, and equipment of the core network can keep connection status until next with new main RNC equipment always
Secondary failure, in this way, avoiding IU mouth between equipment of the core network and RNC equipment flash repeatedly, and then can be to avoid access net
The business of lower the be resident UE of equipment is normally established, and avoids the communication service of user impaired.
Communication means provided in an embodiment of the present invention of the embodiment of the present invention can be applied to be that wireless controlled shown in Fig. 3 is set up
Standby, which can be when breaking down, and need to be reduced to the RNC equipment of spare RNC equipment in RNC resource pool.Such as
Shown in Fig. 3, which may include at least one processor 301, memory 302, transceiver 303 and communication bus
304。
It is specifically introduced below with reference to each component parts of the Fig. 3 to the wireless control apparatus:
Processor 301 is the control centre of wireless control apparatus, can be a processor, is also possible to multiple processing elements
The general designation of part.For example, processor 301 is a central processing unit (central processing unit, CPU), it is also possible to
Specific integrated circuit (Application Specific Integrated Circuit, ASIC), or be arranged to implement
One or more integrated circuits of the embodiment of the present invention, such as: one or more microprocessors (digital signal
Processor, DSP), or, one or more field programmable gate array (Field Programmable Gate Array,
FPGA)。
Wherein, processor 301 can be by running or executing the software program being stored in memory 302, and calling
The data being stored in memory 302 execute the various functions of wireless control apparatus.
In concrete implementation, as one embodiment, processor 301 may include one or more CPU, such as Fig. 3
Shown in CPU0 and CPU1.
In the concrete realization, as one embodiment, wireless control apparatus may include multiple processors, such as in Fig. 3
Shown in processor 301 and processor 305.Each of these processors can be a single core processor (single-
CPU), it is also possible to a multi-core processor (multi-CPU).Here processor can refer to that one or more wireless controlleds are set up
Standby, circuit, and/or processing core for handling data (such as computer program instructions).
Memory 302 can be read-only memory (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage wireless control apparatus, random access memory (random access memory, RAM) or
The other kinds of dynamic memory wireless control apparatus that information and instruction can be stored, is also possible to the read-only storage of electric erazable programmable
Device (Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM
(Compact Disc Read-Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, swash
Optical disc, optical disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage wireless control apparatus or
Person can be used in the desired program code of carrying or storage with instruction or data structure form and can be by computer access
Any other medium, but not limited to this.Memory 302, which can be, to be individually present, and communication bus 304 and processor 301 are passed through
It is connected.Memory 302 can also be integrated with processor 301.
Wherein, the memory 302 is used to store the software program for executing the present invention program, and is controlled by processor 301
System executes.
Transceiver 303, for the communication between the second equipment.Certainly, transceiver 303 can be also used for and communication network
Communication, such as Ethernet, wireless access network (radio access network, RAN), WLAN (Wireless Local
Area Networks, WLAN) etc..Transceiver 303 may include that receiving unit realizes that receive capabilities and transmission unit are realized
Sending function.
Communication bus 304, can be industry standard architecture (Industry Standard Architecture,
ISA) bus, external wireless control apparatus interconnection (Peripheral Component, PCI) bus or extension Industry Standard Architecture
Structure (Extended Industry Standard Architecture, EISA) bus etc..It is total that the bus can be divided into address
Line, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 3 convenient for indicating, it is not intended that only one total
Line or a type of bus.
Wireless control apparatus structure shown in Fig. 3 does not constitute the restriction to wireless control apparatus, may include than figure
Show more or fewer components, perhaps combines certain components or different component layouts.
The embodiment of the present invention provides a kind of communication means, as shown in figure 4, the described method comprises the following steps:
401, the case where the business of access network equipment switches to the second wireless control apparatus by the first wireless control apparatus
Under, if the determining heartbeat link between the second wireless control apparatus of the first wireless control apparatus disconnects, judge that first is wireless
Whether the connection between control equipment and access network equipment disconnects.
It should be noted that the embodiment of the present invention is suitable for the communication network including RNC resource pond networking, RNC resource pool
Networking includes the first wireless control apparatus and the second wireless control apparatus.For equipment of the core network, the first wireless controlled is set up
Standby and the second wireless control apparatus can be logic RNC, belong to the same physics RNC, equipment of the core network and this physics RNC it
Between can only have an IU link.Therefore, synchronization, equipment of the core network can only be established with an IU interface of physics RNC to be connected
It connects, i.e. the first wireless control apparatus, the second wireless control apparatus share the same IU interface of equipment of the core network, therefore core net
Equipment synchronization can only establish connection with one in the first wireless control apparatus, the second wireless control apparatus.In addition, access
Net equipment can be dual-homed base station, there is Iub interface between the second wireless control apparatus, the second wireless control apparatus.
After deploying the RNC resource pond networking including the first wireless control apparatus and the second wireless control apparatus, connect
Log equipment (dual-homed base station) establishes connect respectively with the first wireless control apparatus and the second wireless control apparatus.For connecing
Link for log equipment between the first wireless control apparatus and the second wireless control apparatus is two and completely self-contained patrols
Link is collected, not the relationship of mutual exclusion, the chain between access network equipment and the first wireless control apparatus and the second wireless control apparatus
Road can be normal condition.
In addition, can also send heartbeat message between access network equipment and the first wireless control apparatus, (i.e. the present invention is implemented
Second heartbeat message described in example), whether just to detect the link state between access network equipment and the first wireless control apparatus
Often.Exemplary, the first wireless control apparatus does not receive the second heartbeat message from access network equipment, and the first wireless controlled is set up
It is standby to determine that the connection between access network equipment is already off, i.e., between the first wireless control apparatus and access network equipment
Link state is to disconnect.Certainly, the second heartbeat message pair can also be passed through between access network equipment and the second wireless control apparatus
Link state between access network equipment and the first wireless control apparatus is monitored.It should be noted that the second heartbeat message
Different from heartbeat message above-mentioned, the second heartbeat message is properly termed as the heartbeat message between base station and RNC equipment, is used for base station
Link state is normal between RNC equipment.Heartbeat message of the heartbeat message above-mentioned between RNC equipment, the i.e. present invention are real
The first heartbeat message described in example is applied, indicates that the heartbeat link between RNC equipment is normal.
Originally the first wireless control apparatus is main RNC equipment, and the business of access network equipment is born by the first wireless control apparatus
Duty, the link bearer traffic between access network equipment and the first wireless control apparatus.Second wireless control apparatus is that spare RNC is set
Standby, there is also links between the second wireless control apparatus and the access network equipment, and only the link is stand-by state, do not hold temporarily
Carry the business of access network equipment.
When the heartbeat link between the first wireless control apparatus and the second wireless control apparatus disconnects, the second wireless controlled is set up
It is standby not receive the heartbeat message from the first wireless control apparatus, then actively it is upgraded to main RNC equipment.Then, the second wireless controlled
Control equipment sends link setup request to equipment of the core network and establishes connection with equipment of the core network.In addition, the second wireless control apparatus may be used also
Handover request is sent to establish to access network equipment, the link switching of instruction carrying access network equipment business is at access network equipment
With the link between the second wireless control apparatus.That is, the second wireless control apparatus has grasped the control of access network equipment
Power, the business of access network equipment switch to the second wireless control apparatus by the first wireless control apparatus.In this case, if
Link state between access network equipment and original main RNC equipment (i.e. the first wireless control apparatus) is normal.So RNC equipment
Between heartbeat message can be forwarded by access network equipment, the first wireless control apparatus receives the second wireless control apparatus
It is upgraded to the heartbeat message sent after main RNC equipment, spare RNC equipment can be reduced to automatically.But if access network equipment and first
Link between wireless control apparatus disconnects, and access network equipment can not forward the heartbeat message from the second wireless control apparatus,
If failure, the first wireless control apparatus do not receive the heartbeat from the second wireless control apparatus to other hop links in fundamental disagreement yet
Message, the first wireless control apparatus can not know that the second wireless control apparatus has been upgraded to main RNC equipment, also would not actively drop
For spare RNC equipment, then link setup request can be sent to equipment of the core network, RNC equipment is will result in and robs master, the communication of user repeatedly
The problem of business can not be established.
In the embodiment of the present invention, the first wireless control apparatus directly will not send link setup request to equipment of the core network, but
Subsequent judgement is carried out, if the determining heartbeat link down between the second wireless control apparatus of the first wireless control apparatus, and
Second wireless control apparatus has been upgraded to main RNC equipment, and the first wireless control apparatus, which will stop sending to equipment of the core network, to be built
Chain request.
In the specific implementation, the first wireless control apparatus first determines whether the first wireless control apparatus and the second wireless control apparatus
Between heartbeat link it is whether already off.In some embodiments, the first wireless control apparatus does not receive the second wireless controlled
The heartbeat message that control equipment is sent, it is determined that the heart between first wireless control apparatus and second wireless control apparatus
Hop link disconnects.
It should be noted that the second wireless control apparatus is upgraded to after main RNC equipment, it can be by being set up with the first wireless controlled
Three heartbeat chain the first wireless control apparatus of road direction between standby send heartbeat message.If the first wireless control apparatus is at three
It is not received by the heartbeat message from the second wireless control apparatus on heartbeat path, then can determine that the first wireless controlled is set up
The standby heartbeat link between the second wireless control apparatus disconnects.Specifically, the first wireless control apparatus does not receive the second nothing
The heartbeat message that line traffic control control equipment is sent by the privately owned interface between the first wireless control apparatus and the second wireless control apparatus,
The heartbeat message that the second wireless control apparatus is sent by access network equipment is not received, and is not received the second wireless controlled and set up
The standby heartbeat message sent by radio network configuration management equipment, it is determined that the first wireless control apparatus and the second wireless control
Heartbeat link between equipment disconnects.
In addition, the privately owned interface between the first wireless control apparatus and the second wireless control apparatus can be Iur-p interface,
Second wireless control apparatus is upgraded to after main RNC equipment, can directly be sent to the first wireless control apparatus by Iur-p interface
Heartbeat message, if the second wireless control apparatus does not receive the heartbeat from the first wireless control apparatus by Iur-p interface
Message, then it is assumed that this heartbeat link down.The reason of causing this heartbeat link down can be the first wireless control
The Iur-p interface fault of equipment or the Iur-p interface fault of the second wireless control apparatus, the embodiment of the present invention do not limit this
System.
Second wireless control apparatus is upgraded to after main RNC equipment, can also be by access network equipment to the first wireless control
Equipment sends heartbeat message, if the first wireless control apparatus is by the interface that communicates between access network equipment, (such as: Iub is connect
Mouthful) heartbeat message from the second wireless control apparatus is not received, then it is assumed that this heartbeat link down.Cause this
The reason of heartbeat link down, can be the Iub interface failure of the first wireless control apparatus or the Iub interface event of access network equipment
Link between barrier or the Iub interface failure or the first wireless control apparatus and access network equipment of the second wireless control apparatus is disconnected
It opens, the embodiment of the present invention is without limitation.
Second wireless control apparatus is upgraded to after main RNC equipment, can also be by radio network configuration management equipment to
One wireless control apparatus sends heartbeat message, if the first wireless control apparatus does not receive radio network configuration management equipment and turns
The heartbeat message from the second wireless control apparatus of hair, then it is assumed that this heartbeat link down.Cause this heartbeat chain
The reason of road is interrupted can be radio network configuration management equipment failure, and the embodiment of the present invention is without limitation.Wherein, wirelessly
The data that network configuration management equipment is used to complete between the first wireless control apparatus and the second wireless control apparatus are synchronous, such as:
CME described in the embodiment of the present invention.
In the embodiment of the present invention, the determining heartbeat link between the second wireless control apparatus of the first wireless control apparatus is disconnected
After opening, it is also necessary to judge whether the second wireless control apparatus is upgraded to main RNC equipment.With reference to Fig. 5, terminal device passes through access net
Before equipment is communicated with other terminal devices, need to establish the control plane link between terminal device to equipment of the core network
(link in figure is 2.) receives the transfer resource that core net is terminal device distribution, and therefore, the second wireless control apparatus is upgraded to master
It needs to send handover request to access network equipment after RNC equipment, by the service switching of access net to access network equipment and the second nothing
Link between line traffic control control equipment.In addition, the second wireless control apparatus also needs to establish connection with equipment of the core network, it could be by core
The transfer resource of heart net equipment distribution is handed down to terminal device via the second wireless control apparatus, access network equipment.In the present invention
In embodiment, the first wireless control apparatus can be by between periodic test oneself and access network equipment (dual-homed base station)
Link state judges whether the second wireless control apparatus is upgraded to main RNC equipment.Specifically, the first wireless control apparatus can week
Link state between the monitoring of phase property and access network equipment, exemplary, the first wireless control apparatus does not receive from access net
The heartbeat message of equipment can then determine that the link state between the first wireless control apparatus and access network equipment is to disconnect, i.e.,
Connection between first wireless control apparatus and access network equipment disconnects, then the business needs of access network equipment are switched to access
Chain road between net equipment and the second wireless control apparatus.
If 402, the determining connection between the access network equipment of first wireless control apparatus disconnects, stop to
Equipment of the core network sends link setup request.
In the specific implementation, if heartbeat chain between first wireless control apparatus and second wireless control apparatus
After road is disconnected, the first wireless control apparatus do not receive heartbeat message that the access network equipment sends (base station and RNC equipment it
Between heartbeat message), it is determined that the determining connection between access network equipment of the first wireless control apparatus disconnects.Due to the first nothing
The determining connection between access network equipment of line traffic control control equipment disconnects, and the business of access network equipment is possible to have been switched to and connect
Chain road between log equipment and the second wireless control apparatus.First wireless control apparatus can think the second wireless control
Equipment has been upgraded to main RNC equipment, in order to avoid RNC equipment is robbed main the problem of causing the communication service of user that can not establish, the
One wireless control apparatus can actively be reduced to spare RNC equipment, stop sending link setup request to equipment of the core network, switch in next time
Before active and standby RNC equipment, the control of access network equipment is grasped by the second wireless control apparatus always, accepts the communication of user
Business ensure that the communication service of user can be successfully established.
In the embodiment of the present invention, the first wireless control apparatus, the second wireless control apparatus are built to what equipment of the core network was sent
The INIT that chain request can be Flow Control Transmission Protocol (stream control transmission protocol, SCTP) disappears
Breath.
The embodiment of the present invention also provides a kind of communication means, includes that two RNC equipment of RNC1 and RNC2 are with RNC resource pool
Example, RNC1 and RNC2 belong to the same logic RNC, and logic RNC is that base station 1 and base station 2 provide service, and base station 1 and base station 2 are
, there is Iub interface between RNC1 and RNC2 in dual-homed base station.In addition, the RNC resource pool supports RNC equipment to automatically switch,
I.e. when main RNC equipment breaks down, the control of the spare RNC equipment of automatic trigger.As shown in fig. 6, the method includes with
Lower step:
601, RNC1 and equipment of the core network establish connection, and connection is established in RNC1 and base station 1, base station 2, accept base station 1, base station
2 communication service.
Specifically, RNC1 can receive the resource allocation information of equipment of the core network transmission, and resource allocation information is used to indicate
Equipment of the core network is base station 1, the transfer resource of the lower resident terminal device distribution in base station 2.Equipment of the core network can match resource
Confidence breath is transmitted to corresponding base station.Exemplary, the resource allocation information that equipment of the core network is sent is indicated by staying under base station 1
The transfer resource for staying terminal device to distribute, which is then transmitted to base station 1 by RNC1, so that base station 1 is by the resource
Configuration information is transmitted to the terminal device being resident under base station 1.The resource allocation information that equipment of the core network is sent indicates as base
The transfer resource that 2 lower resident terminal devices of standing distribute, which is then transmitted to base station 2 by RNC1, so as to base station 2
The resource allocation information is transmitted to the terminal device being resident under base station 2.
Certainly, the information that RNC1 can be forwarded includes but is not limited to above-mentioned resource allocation information, can also be other information,
The embodiment of the present invention is without limitation.
602, RNC2 does not receive the heartbeat message of RNC1 transmission, RNC2 by Iur-P interface, base station 1, base station 2 and CME
It is upgraded to main RNC equipment.
Optionally, the Iub interface between RNC2 and multiple dual-homed base stations is normal, and RNC2 is just upgraded to main RNC equipment.At this
In embodiment, logic RNC belonging to RNC1 and RNC2 provides service for two base stations, when RNC2 by Iur-P interface, base station 1,
Base station 2 and CME do not receive the heartbeat message of RNC1 transmission, and the Iub interface between RNC2 and base station 1, base station 2 is normal,
RNC2 is upgraded to main RNC equipment.
Service is provided for multiple (such as: more than two) base stations in logic RNC, when the Iub interface between RNC2 keeps normal
Base station number be more than a threshold value, RNC2 is just upgraded to main RNC equipment.Such as: the Iub between RNC2 and 10 dual-homed base station
Interface is normal, and RNC2 is just upgraded to main RNC equipment.
Specifically, RNC2 has sent link setup request to equipment of the core network, establishes the connection between equipment of the core network.Separately
Outside, RNC2 also sends handover request to base station 1, base station 2 respectively, the service switching of instruction base station 1 arrived base station 1 and RNC2 it
Between chain road, the service switching of base station 2 arrived the chain between base station 2 and RNC2 road.
603, RNC2 sends heartbeat message by three heartbeat chain road direction RNC1.
After RNC2 is upgraded to main RNC equipment, heartbeat message is sent to RNC1 (the spare RNC equipment after control switching).
604, RNC1 does not receive the heartbeat message from RNC2, RNC1 periodic test base station in three heartbeat links
1, the signaling plane of base station 2.
Since three heartbeat links between RNC1 and RNC2 disconnect, RNC1 does not receive RNC2 and rises the heart sent after master
Jump message.
It should be noted that RNC1 can be determined in RNC1 between RNC2 by the signaling plane of inspection base station 1, base station 2
Heartbeat link disconnect after, whether the connection between RNC1 and base station 1, base station 2 disconnects.Exemplary, RNC1 can decide whether
It receives base station 1, the heartbeat message (i.e. the second heartbeat message described in the embodiment of the present invention) that base station 2 is sent, and then can sentence
Whether the connection between disconnected RNC1 and base station 1 disconnects, and whether the connection between RNC1 and base station 2 disconnects.If RNC1 is not received
The second heartbeat message sent to base station 1, base station 2, it is determined that connection between RNC1 and base station 1 disconnects, RNC1 and base station 2 it
Between connection disconnect.
605, RNC1 determination is disconnected with base station 1, base station 2, and RNC1 then will actively be reduced to spare RNC equipment, and not
Reattempt a liter master.
In the specific implementation, RNC1 does not receive base station 1, base station 2 and sends out after heartbeat link of the RNC1 between RNC2 disconnects
The link setup request sent, it may be possible to which base station 1, base station 2 have switched to RNC2, that is, RNC2 has been upgraded to main equipment and has accepted use
The communication service at family, RNC1 then no longer send link setup request to equipment of the core network.
After step 605, UE passes through RNC1 and CN always and is communicated and established business, until switch active and standby next time
RNC equipment.
Method provided in an embodiment of the present invention is it is possible to prevente effectively from main RNC equipment failover to spare RNC equipment side
When case, RNC equipment is robbed main caused business repeatedly and is damaged, and enhances the fault-tolerance of network, guarantees that the stabilization of user communication business is built
It is vertical.
In the case where each function division of use correspondence each functional module, Fig. 7 shows involved in above-described embodiment
Wireless control apparatus a kind of possible structural schematic diagram.As shown in fig. 7, wireless control apparatus include processing unit 701 with
And communication unit 702.
Processing unit 701 for supporting the wireless control apparatus to execute the step 401 in above-described embodiment, and/or is used for
Other processes of techniques described herein.
Communication unit 702 for supporting the wireless control apparatus to execute the step 402 in above-described embodiment, and/or is used for
Other processes of techniques described herein.
It should be noted that all related contents for each step that above method embodiment is related to can quote correspondence
The function of functional module describes, and details are not described herein.
Illustratively, using integrated unit, the knot of wireless control apparatus provided by the embodiments of the present application
Structure schematic diagram is as shown in Figure 8.In fig. 8, which includes: processing module 801 and communication module 802.Handle mould
Block 801 is for carrying out control management to the movement of wireless control apparatus, for example, the step of above-mentioned processing unit 701 executes is executed,
And/or other processes for executing techniques described herein.Communication module 802 is held for executing above-mentioned communication unit 702
Capable step supports the interaction between wireless control apparatus and other equipment, such as between the second equipment, wireless control apparatus
Interaction.As shown in figure 8, wireless control apparatus can also include memory module 803, memory module 803 is for storing wireless control
The program code and data of equipment.
When processing module 801 is processor, communication module 802 is transceiver, when memory module 803 is memory, wirelessly
Control equipment is wireless control apparatus shown in Fig. 3.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of database access device is divided into different function moulds
Block, to complete all or part of the functions described above.
In several embodiments provided herein, it should be understood that disclosed database access device and method,
It may be implemented in other ways.For example, database access Installation practice described above is only schematical, example
Such as, the division of the module or unit, only a kind of logical function partition, can there is other division side in actual implementation
Formula, such as multiple units or components may be combined or can be integrated into another device, or some features can be ignored, or not
It executes.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be to be connect by some
Mouthful, the indirect coupling or communication connection of database access device or unit can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown can be a physical unit or multiple physical units, it can and it is in one place, or may be distributed over
Multiple and different places.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a read/write memory medium.Based on this understanding, the technical solution of the embodiment of the present application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that an equipment (can be list
Piece machine, chip etc.) or processor execute all or part of the steps of each embodiment the method for the application.And storage above-mentioned
Medium includes: the various media that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen
Protection scope please should be based on the protection scope of the described claims.
Claims (10)
1. a kind of communication means, the communication means is applied to including the first wireless control apparatus, the second wireless control apparatus, connects
The communication network of log equipment and equipment of the core network, first wireless control apparatus, second wireless control apparatus are total
Enjoy the same interface of equipment of the core network characterized by comprising
In the case that heartbeat link between first wireless control apparatus and second wireless control apparatus disconnects, institute
It states the first wireless control apparatus and judges whether the connection between first wireless control apparatus and the access network equipment disconnects；
If the connection between the first wireless control apparatus determination and the access network equipment disconnects, first wireless controlled
Control equipment stops sending link setup request to the equipment of the core network.
2. the method according to claim 1, wherein the method also includes:
First wireless control apparatus does not receive the first heartbeat message that second wireless control apparatus is sent, it is determined that
Heartbeat link between first wireless control apparatus and second wireless control apparatus disconnects.
3. according to the method described in claim 2, it is characterized in that, first heartbeat message includes: second wireless controlled
The heartbeat that control equipment is sent by the privately owned interface between first wireless control apparatus and second wireless control apparatus
The heartbeat message and radio network configuration pipe from second wireless control apparatus that message, the access network equipment forward
Manage the heartbeat message of device forwards passed through from second wireless control apparatus；
Wherein, the radio network configuration management equipment is for completing first wireless control apparatus and second wireless controlled
Data between control equipment are synchronous.
4. method according to claim 1-3, which is characterized in that described in the first wireless control apparatus judgement
Whether the connection between the first wireless control apparatus and the access network equipment, which disconnects, includes:
After heartbeat link between first wireless control apparatus and second wireless control apparatus breaks, described first
Wireless control apparatus monitors whether to receive the second heartbeat message that the access network equipment is sent, the second heartbeat message use
In the link state for indicating the access network equipment and first wireless control apparatus be normal.
5. according to the method described in claim 4, it is characterized in that, first wireless control apparatus determination and the access net
Connection between equipment, which disconnects, includes:
If after heartbeat link between first wireless control apparatus and second wireless control apparatus is disconnected, described the
One wireless control apparatus does not receive second heartbeat message that the access network equipment is sent, it is determined that described first is wireless
The connection controlled between equipment and the access network equipment disconnects.
6. a kind of wireless control apparatus, the wireless control apparatus is the first wireless control apparatus in communication network, described logical
Communication network further includes the communication network of the second wireless control apparatus, access network equipment and equipment of the core network, and described first is wireless
Control equipment, second wireless control apparatus shares the same interface of equipment of the core network characterized by comprising
Processing unit, it is disconnected for the heartbeat link between first wireless control apparatus and second wireless control apparatus
In the case where opening, judge whether the connection between first wireless control apparatus and the access network equipment disconnects；
Communication unit, if being determined between first wireless control apparatus and the access network equipment for the processing unit
Connection disconnects, then stops sending link setup request to the equipment of the core network.
7. equipment according to claim 6, which is characterized in that the processing unit is also used to, if the communication unit is not
Receive the first heartbeat message that second wireless control apparatus is sent, it is determined that first wireless control apparatus with it is described
Heartbeat link between second wireless control apparatus disconnects.
8. equipment according to claim 6, which is characterized in that first heartbeat message includes: second wireless controlled
The heartbeat that control equipment is sent by the privately owned interface between first wireless control apparatus and second wireless control apparatus
The heartbeat message and radio network configuration pipe from second wireless control apparatus that message, the access network equipment forward
Manage the heartbeat message of device forwards passed through from second wireless control apparatus；
Wherein, the radio network configuration management equipment is for completing first wireless control apparatus and second wireless controlled
Data between control equipment are synchronous.
9. according to the described in any item equipment of claim 6-8, which is characterized in that the processing unit is specifically used for, described
After heartbeat link between first wireless control apparatus and second wireless control apparatus breaks, monitoring the communication unit is
No the second heartbeat message for receiving the access network equipment and sending, second heartbeat message are used to indicate the access net and set
The standby link state with first wireless control apparatus is normal.
10. equipment according to claim 9, which is characterized in that the processing unit is specifically used for, if in first nothing
After heartbeat link between line traffic control control equipment and second wireless control apparatus breaks, the communication unit does not receive described
Second heartbeat message that access network equipment is sent, it is determined that first wireless control apparatus and the access network equipment it
Between connection disconnect.
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| CN201811380242.2A CN109495916B (en) | 2018-11-20 | 2018-11-20 | Communication method and device |
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| CN110011840A (en) * | 2019-03-26 | 2019-07-12 | 新华三技术有限公司 | Condition processing method, device and the controller of controller |
| CN113784377A (en) * | 2021-09-10 | 2021-12-10 | 深圳艾灵网络有限公司 | Data communication method, device, electronic equipment and storage medium |
| CN113784377B (en) * | 2021-09-10 | 2024-03-22 | 深圳艾灵网络有限公司 | Data communication method, device, electronic equipment and storage medium |
| CN115137447A (en) * | 2022-09-02 | 2022-10-04 | 深圳北芯医疗科技有限公司 | Method and device for protecting components of therapeutic apparatus and therapeutic apparatus |
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