CN107347186B - A kind of disturbance coordination method and server - Google Patents
A kind of disturbance coordination method and server Download PDFInfo
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- CN107347186B CN107347186B CN201610299318.3A CN201610299318A CN107347186B CN 107347186 B CN107347186 B CN 107347186B CN 201610299318 A CN201610299318 A CN 201610299318A CN 107347186 B CN107347186 B CN 107347186B
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- 238000004590 computer program Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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Abstract
The present invention provides a kind of disturbance coordination method and servers, to by monitoring when meeting preset trigger condition, when determining that the train for being loaded with user equipment is passing through the cell that first server is covered, send the message for being used to indicate the co-channel interference that second server reduces between first server, it realizes under the premise of not influencing the network flow for the cell that second server is covered, it solves the problems, such as co-channel interference between first server and second server in the prior art, improves the handling capacity of first server at the same time.The described method includes: generating the message of the frequency usage of the lap for limiting first server and second server occupancy when the user equipment amount in the cell that first server is covered reaches predetermined threshold value；The message of generation is sent to second server.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of disturbance coordination methods and server.
Background technique
Under the conditions of current high-speed rail quickly grows and is convenient and fast, sense is embodied in order to meet the business under high-speed rail scene
Know, the dedicated network dedicated for high-speed rail covering is established along high-speed rail.Since high-speed rail train is short by the time of website, and
User's closeness in high-speed rail is high, therefore, in order to ensure that the demand of user, high-speed rail must configure the cell of at least 20,000,000 bandwidth.
Rural area is inconvenient since broadband covers at present, using surfing Internet with cell phone or uses commercial ustomer premises access equipment
It is commonplace that (Customer Premises Equipment, CPE) accesses the case where internet, and utilization rate is also higher.Cause
This, the village along high-speed rail uses 16T16R scheme and the wide covering scheme of 20,000,000 (M) bandwidth is come while solving covering and speed
Rate problem.
At present according to the frequency occupancy situation of China Mobile network, covering the ideal frequency range of high-speed rail and rural area is F
Frequency range.But F-band only has the bandwidth of 30M, i.e., 1885 megahertzs (MHz) are arrived 1915MHz.Again due to being covered dedicated for high-speed rail
The dedicated network of lid and the public network 20M bandwidth all in need along high-speed rail, however F-band deficiency supports two 20M bandwidth.
Therefore, existing bandwidth is assigned as, and the frequency that the public network along high-speed rail occupies is 1885MHz to 1905MHz, and high-speed rail is covered
The frequency that the dedicated network of lid occupies is 1895MHz to 1915MHz.That is, in existing bandwidth allocation scheme, high-speed rail edge
The public network of line with dedicated network that high-speed rail covers there are the overlapping of 10M bandwidth, the co-channel interference both caused, under handling capacity
Drop.
In conclusion existing bandwidth allocation scheme, the dedicated network institute of public network and high-speed rail covering along high-speed rail
The frequency of occupancy is overlapped, and leads to co-channel interference between the two, throughput degradation.
Summary of the invention
The embodiment of the invention provides a kind of disturbance coordination method and servers, meet preset touching to work as by monitoring
When clockwork spring part, that is, when determining that the train for being loaded with user equipment is passing through the cell that first server is covered, send for referring to
Show that second server reduces the message of the co-channel interference between first server, to solve first service in the prior art
Between device and second server the problem of co-channel interference, the handling capacity of first server is also improved at the same time.
A kind of disturbance coordination method provided in an embodiment of the present invention, this method comprises:
When meeting the preset trigger condition for carrying out interference coordination between first server and second server, first
Server generates the message for being used to indicate the co-channel interference that second server reduces between first server；
The first server sends the message to the second server.
By the preset trigger condition in this method, that is, can determine that just has the train for being loaded with user equipment by the first clothes
The cell that business device is covered, first server is used to indicate second server to second server transmission and reduces and the first clothes at this time
The message of co-channel interference between business device, avoids co-channel interference between first server and second server to realize
Problem improves the handling capacity of first server.
Preferably, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches in predetermined time period
To preset second threshold value.
By the user equipment amount increased newly in this method, that is, switch in the user equipment for the cell that first server is serviced
The speedup of amount and/or user equipment amount, that is, can determine that just has the train for being loaded with user equipment to pass through what first server was covered
Cell, so as to avoid gulping down for first server the problem of co-channel interference, is improved between first server and second server
The amount of spitting.
Preferably, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
Preferably, the message is carried by the public reference signal sent in special subframe.
Since the public reference signal that first server is sent to second server is to carve during idle time, i.e., without monitoring
At the time of, the message for being used to indicate the co-channel interference that second server reduces between first server is carried, to realize
Under the premise of not influencing the network flow for the cell that second server is covered, first server and second server are avoided
Between co-channel interference the problem of, improve the handling capacity of first server.
A kind of disturbance coordination method provided in an embodiment of the present invention, this method comprises:
Receive the co-channel interference being used to indicate between second server reduction and first server that first server is sent
Message；
According to the message received, the co-channel interference between first server is reduced.
When second server receives the message for the reduction co-channel interference of first server transmission being used to indicate
Determine just thering is the train for being loaded with user equipment to pass through the cell that is covered of first server, execute at this time reduce first server it
Between co-channel interference operation, to realize the problem of avoiding co-channel interference between first server and second server, mention
The high handling capacity of first server.
Preferably, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
A kind of server provided in an embodiment of the present invention, the server include:
Message module is generated, for preset carrying out interference coordination between first server and second server when meeting
Trigger condition when, generate be used to indicate second server reduce and first server between co-channel interference message；
Message module is sent, for sending the message to the second server.
By the preset trigger condition in the equipment, that is, can determine that just has the train for being loaded with user equipment by the first clothes
The cell that business device is covered, first server is used to indicate second server to second server transmission and reduces and the first clothes at this time
The message of co-channel interference between business device, avoids co-channel interference between first server and second server to realize
Problem improves the handling capacity of first server.
Preferably, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches in predetermined time period
To preset second threshold value.
By the user equipment amount increased newly in the equipment, that is, switch in the user equipment for the cell that first server is serviced
The speedup of amount and/or user equipment amount, that is, can determine that just has the train for being loaded with user equipment to pass through what first server was covered
Cell, so as to avoid gulping down for first server the problem of co-channel interference, is improved between first server and second server
The amount of spitting.
Preferably, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
Preferably, the message is carried by the public reference signal sent in special subframe.
Since the public reference signal that first server is sent to second server is to carve during idle time, i.e., without monitoring
At the time of, the message for being used to indicate the co-channel interference that second server reduces between first server is carried, to realize
Under the premise of not influencing the network flow for the cell that second server is covered, first server and second server are avoided
Between co-channel interference the problem of, improve the handling capacity of first server.
A kind of server provided in an embodiment of the present invention, the server include:
Receive message module, for receive first server transmission be used to indicate second server reduce and first service
The message of co-channel interference between device；
Interference module is reduced, for reducing the co-channel interference between first server according to the message received.
When receiving the message for the reduction co-channel interference being used to indicate that message module receives first server transmission, i.e.,
Can determine that just has the train for being loaded with user equipment to pass through the cell that first server is covered, and reduces interference module at this time and executes drop
Co-channel interference operation between low first server, avoids between first server and second server to realize with frequency
The problem of interference, improves the handling capacity of first server.
Preferably, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
Preferably, the server further include:
Message module is generated, for preset carrying out interference coordination between first server and second server when meeting
Trigger condition when, generate be used to indicate second server reduce and first server between co-channel interference message；
Message module is sent, for sending the message to the second server.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of disturbance coordination method of first server side provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of disturbance coordination method of second server side provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of first server provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of second server provided in an embodiment of the present invention；
Fig. 5 is the flow diagram of disturbance coordination method of the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of disturbance coordination method and servers, meet preset touching to work as by monitoring
When clockwork spring part, that is, when determining that the train for being loaded with user equipment is passing through the cell that first server is covered, send for referring to
Show that second server reduces the message of the co-channel interference between first server, to solve first service in the prior art
Between device and second server the problem of co-channel interference, the handling capacity of first server is also improved at the same time.
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Referring to Fig. 1, in first server side, the embodiment of the invention provides a kind of disturbance coordination methods, this method comprises:
S101, when meet it is preset between first server and second server carry out interference coordination trigger condition
When, first server generates the message for being used to indicate the co-channel interference that second server reduces between first server；
S102, the first server send the message to the second server.
Wherein, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches in predetermined time period
To preset second threshold value；
In the cell that the first server is serviced, the user equipment amount increased newly in predetermined time period reaches pre-
If third threshold value；
In the cell that the first server is serviced, user equipment amount reaches preset 4th threshold value.
The trigger condition includes but are not limited to said combination, as long as can monitor that switching in first server is serviced
Intra-cell users number increase, or monitor the surge of total user in cell that first server is serviced, be all contained in this
In trigger condition described in inventive embodiments.
Therefore, before step S101, this method further include:
Monitor the newly-increased use in the user equipment amount and the cell in the cell that the first server is serviced
Family equipment amount.
After step s 102, this method further include:
Monitor the use that user equipment amount and the intra-cell in the cell that the first server is serviced swap out
Family equipment amount；
When monitoring one of following condition or combination, stop sending the message to second server:
In the cell that the first server is serviced, the user equipment amount switched out reaches preset 5th thresholding
Value；
In the cell that the first server is serviced, the reduction speed of user equipment amount reaches in predetermined time period
To preset 6th threshold value；
In the cell that the first server is serviced, the user equipment amount switched out in predetermined time period reaches
Preset 7th threshold value；
In the cell that the first server is serviced, user equipment amount reaches preset 8th threshold value.
Specifically, the message that first server is sent to second server in step S102 is specifically, be used to indicate described
Second server stops using the message of the same frequency resource shared with first server.Wherein, which passes through in special subframe
The public reference signal (Common Reference Signal, CRS) of transmission carries.
Since the public reference signal that first server is sent to second server is to carve during idle time, i.e., without exchange
Electric calibration (Alternating current, AC), digital pre-distortion calibrate (Digital Pre-Distortion, DPD), light
At the time of path difference calibrates (Optical Path Difference, OPD), carrying is used to indicate second server and reduces and first
The message of co-channel interference between server, to realize in the network flow for not influencing the cell that second server is covered
Under the premise of, the problem of avoiding co-channel interference between first server and second server, improve gulping down for first server
The amount of spitting.
Referring to fig. 2, in second server side, the embodiment of the invention provides a kind of disturbance coordination methods, this method comprises:
S201, the same frequency being used to indicate between second server reduction and first server that first server is sent is received
The message of interference；
S202, the co-channel interference according to the message received, between reduction and first server.
Wherein, the message particularly for indicate the second server stop using shared with first server it is same
The message of frequency resource, wherein the message is carried by the public reference signal sent in special subframe.
Specifically, due to inevitably there is interference in message transmitting procedure, such as situations such as white noise, electromagnetic interference,
Therefore, to avoid interfering, step S202 includes:
If the power of the message received in monitoring predetermined period reaches preset power threshold, reduce and the first clothes
Co-channel interference between business device；Otherwise, restore normal mode.
Wherein, the co-channel interference between the reduction and first server, comprising:
By the physical uplink shared channel of second server (Physical Uplink Shared Channel,
PUSCH) stop scheduling with first server share same frequency Physical Resource Block (Physical Resource Block,
PRB)；
Pass through physical down link sharing channel (the Physical Downlink Shared of second server
Channel, PDSCH) stop scheduling with first server share same frequency PRB.
The embodiment of the present invention is listed by stopping scheduling using the PRB with frequency, realizes Physical Downlink Control Channel
(Physical Downlink Control Channel, PDCCH) reduces transmission power, physical uplink control channel
(Physical Uplink Control Channel, PUCCH), which is reduced, receives target signal to noise ratio, reduces frequency lap
Interference, however the interference for lowering frequency lap can be also realized by other means, offer of the embodiment of the present invention is provided
Method.
Referring to Fig. 3, the embodiment of the invention provides a kind of server, which includes:
Message module 301 is generated, for preset being interfered between first server and second server when meeting
When the trigger condition of coordination, the message for being used to indicate the co-channel interference that second server reduces between first server is generated；
Message module 302 is sent, for sending the message to the second server.
Specifically, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches in predetermined time period
To preset second threshold value；
In the cell that the first server is serviced, the user equipment amount increased newly in predetermined time period reaches pre-
If third threshold value；
In the cell that the first server is serviced, user equipment amount reaches preset 4th threshold value.
Specifically, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
Specifically, the message is carried by the public reference signal sent in special subframe.
Specifically, server provided in an embodiment of the present invention shown in Fig. 3 is first server；The first server
It can be the server for covering the dedicated network of high-speed rail.
Referring to fig. 4, the embodiment of the invention provides a kind of server, which includes:
Message module 401 is received, the second server that is used to indicate for receiving first server transmission reduces and first
The message of co-channel interference between server；
Interference module 402 is reduced, for reducing the co-channel interference between first server according to the message received.
Specifically, the message is shared with first server particularly for indicating that the second server is stopped using
With the message of frequency resource.
Specifically, server provided in an embodiment of the present invention shown in Fig. 4 is second server；The second server
It can be the server for covering the public network along high-speed rail.
Specifically, the server further include:
Message module is generated, for preset carrying out interference coordination between first server and second server when meeting
Trigger condition when, generate be used to indicate second server reduce and first server between co-channel interference message；
Message module is sent, for sending the message to the second server.
For ease of understanding, further the solution of the present invention will be explained by specific embodiment below.
Assuming that the dedicated network and the public network along covering high-speed rail of covering high-speed rail use F-band, and use SSP6
Subframe uplink and downlink proportion mode configures special subframe.The public network along dedicated network and covering high-speed rail to guarantee covering high-speed rail
Network puts carry out calibration operation at the same time, therefore nominal frame number is the special subframe 1 and special subframe 6 of 128*N and bear
Special subframe 1 and special subframe 6 that frame number is 129*N do not send the CRS signal of symbol 7, wherein N is positive integer.
Referring to Fig. 5, interference adjustments method provided in an embodiment of the present invention, this method comprises:
S501, dedicated network for covering high-speed rail server (hereinafter private network server) monitor it is preset dry
When disturbing the trigger condition of coordination and being satisfied, private network server generates the server for the public network being used to indicate along covering high-speed rail
(hereinafter public network server) reduce and private network server between co-channel interference message, wherein above-mentioned message by
The special subframe 1 and special subframe 6 that the special subframe 1 and special subframe 6 and nominal frame number that nominal frame number is 128*N are 129*N
It is carried in symbol 7 in the CRS signal of transmission；
S502, private network server send the message to public network server；
S503, public network server receive the message that the CRS signal that private network server is sent carries, and monitor the message received
In CRS signal in symbol 7 power；
S504, the co-channel interference when monitoring power reaches preset power threshold, between reduction and first server.
In conclusion the embodiment of the invention provides a kind of disturbance coordination method and server, it is full to be worked as by monitoring
When the preset trigger condition of foot, that is, when determining that the train for being loaded with user equipment is passing through the cell that first server is covered,
The mode for eating dishes without rice or wine to send CRS signal carrying message is taken to notify that second server reduces the same frequency between first server dry
It disturbs, realizes under the premise of not influencing the network flow for the cell that second server is covered, solve in the prior art
Between one server and second server the problem of co-channel interference, the handling capacity of first server is improved at the same time；Information
Interactive process is simple and quick, and it is small to be delayed, and independent of existing constant transmissions mode, limitation is few；Second server not into
When row AC calibration, DPD calibration and OPD are calibrated, the co-channel interference between first server can be just reduced, is guaranteeing network just
Often under the premise of operation, the influence to network total resources number can neglect the influence of existing network total resources number within 0.5%
Slightly disregard, the flow total amount of the cell covered on second server does not influence.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (11)
1. a kind of disturbance coordination method, which is characterized in that this method comprises:
When meeting the preset trigger condition for carrying out interference coordination between first server and second server, first service
Device generates the message for being used to indicate the co-channel interference that second server reduces between first server；
The first server sends the message to the second server；
Wherein, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches pre- in predetermined time period
If the second threshold value.
2. the method according to claim 1, wherein the message is particularly for the instruction second server
Stop using the message of the same frequency resource shared with first server.
3. according to the method described in claim 2, it is characterized in that, the message passes through the common reference that sends in special subframe
Signal carries.
4. a kind of disturbance coordination method, which is characterized in that this method comprises:
It receives when meeting the preset trigger condition for carrying out interference coordination between first server and second server, first
What server was sent is used to indicate the message for the co-channel interference that second server reduces between first server；Wherein, described
Trigger condition includes one of following condition or combination: in the cell that the first server is serviced, newly-increased user equipment
Amount reaches preset first threshold value；In the cell that the first server is serviced, user is set in predetermined time period
Standby increasing speed for amount reaches preset second threshold value；
According to the message received, the co-channel interference between first server is reduced.
5. according to the method described in claim 4, it is characterized in that, the message is particularly for the instruction second server
Stop using the message of the same frequency resource shared with first server.
6. a kind of interference coordination device, which is characterized in that the device includes:
Message module is generated, for when the touching for meeting the preset progress interference coordination between first server and second server
When clockwork spring part, the message for being used to indicate the co-channel interference that second server reduces between first server is generated；
Message module is sent, for sending the message to the second server；
Wherein, the trigger condition includes one of following condition or combination:
In the cell that the first server is serviced, newly-increased user equipment amount reaches preset first threshold value；
In the cell that the first server is serviced, increasing speed for user equipment amount reaches pre- in predetermined time period
If the second threshold value.
7. device according to claim 6, which is characterized in that the message is particularly for the instruction second server
Stop using the message of the same frequency resource shared with first server.
8. device according to claim 7, which is characterized in that the message passes through the common reference that sends in special subframe
Signal carries.
9. a kind of interference coordination device, which is characterized in that the device includes:
Message module is received, preset carries out interference coordination between first server and second server when meeting for receiving
Trigger condition when, first server send be used to indicate second server reduce and first server between co-channel interference
Message；Wherein, the trigger condition includes one of following condition or combination: in the cell that the first server is serviced
Interior, newly-increased user equipment amount reaches preset first threshold value；In the cell that the first server is serviced, default
Increasing speed for user equipment amount reaches preset second threshold value in time span；
Interference module is reduced, for reducing the co-channel interference between first server according to the message received.
10. device according to claim 9, which is characterized in that the message is particularly for the instruction second service
Device stops using the message of the same frequency resource shared with first server.
11. device according to claim 9 or 10, which is characterized in that the device further include:
Message module is generated, for when the touching for meeting the preset progress interference coordination between first server and second server
When clockwork spring part, the message for being used to indicate the co-channel interference that second server reduces between first server is generated；
Message module is sent, for sending the message to the second server.
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| CN201610299318.3A CN107347186B (en) | 2016-05-06 | 2016-05-06 | A kind of disturbance coordination method and server |
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