CN103648167B - The business scheduling method and system of electric network emergency communication - Google Patents
The business scheduling method and system of electric network emergency communication Download PDFInfo
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Abstract
The present invention provides the business scheduling method and system of a kind of electric network emergency communication, internetwork communication uses centralized scheduling, communication uses distributed scheduling in net, under ad-hoc communication pattern, for internetwork communication business of the multi-hop through base station need to be passed through, centralized scheduling has more advantage than distributed scheduling, because the negotiation time of centralized scheduling is fewer than distribution.And for communication service in net, such as the communication between node closer to the distance in net, the Distributed Coordination time is few, distributed scheduling has more advantage, therefore, and distributed scheduling is used for communication service in net, to mitigate the burden of base station, it is ensured that the high efficiency of transmission of real time business.In addition, whole traffic scheduling process relies on self-organizing power distribution network network completely, the participation of external communication network is not needed, ensure the safety of data transfer with it is reliable, according to the priority of self-organizing network interior joint and transmission data threshold reasonable distribution shared channel, ensure the reasonable utilization of transmission channel, the efficient stable of data transfer.
Description
Technical field
The present invention relates to electric power network technical field, more particularly to the business scheduling method of electric network emergency communication is with being
System.
Background technology
China is the country that disaster takes place frequently, and disaster species is more, distribution is wide, frequency is high, harm is big, mud-rock flow, earthquake, flood
Calamity, typhoon etc. seriously endanger the safe operation of power system particularly distribution system.The damage of distribution system will cause entirely
The paralysis of smart electric grid system, thus set up it is a set of applied towards power distribution network and possess fast and flexible deployment, high broadband passes in real time
The emergency communication system of the features such as defeated, safe and reliable, firm self-healing, realizes the quick of under emergency case distribution network communication system
Recover, reduction economic loss becomes particularly important.
At present, in distribution network communication system, mainly there are the modes such as optical fiber, carrier wave and radio communication.The cable modems such as optical fiber
The characteristics of letter mode has high simple in construction, highly reliable, message transmission rate, low transmission loss and strong antijamming capability, but
Depend on distribution network, under emergency circumstances, the network system is paralysed in itself such as power distribution network, causes network extensive more
The multiple cycle is long, it is impossible to bear the function of emergency disaster relief.The wireless communication technologys such as short distance Zigbee, Wi-Fi possess low cost,
Easily extension the features such as, but there are problems that poor reliability, security can not, 2G/3G based on public communication network movement
The solutions such as communication, can play a role, but be limited by the complicated network structure, depend in terms of electric network data transmission is undertaken
Telecom operators, efficiency of transmission is low.
The content of the invention
Based on this, it is necessary to can not be met for existing distribution network communication system efficiency of transmission, reliability and security difference
The problem of electric network emergency communicates well disclosure satisfy that electric network emergency communicates there is provided a kind of efficiency of transmission, reliability and security
Method and system.
A kind of business scheduling method of electric network emergency communication, including step：
Self-organizing power distribution network network is built, traffic scheduling request and business datum that user sends is received；
Traffic scheduling request is responded, internetwork communication business is judged as according to traffic scheduling type or is communication industry in net
Business, if internetwork communication business, then dispatches business datum using centralized scheduling mode, if communication service in net, then use
Distributed scheduling mode dispatches business datum；
The priority and transmission services data-quantity threshold size of each node in self-organizing power distribution network network are detected, according to inspection
It is each node distribution shared channel in self-organizing power distribution network network to survey result；
By each node distribution shared channel in self-organizing power distribution network network, by the business datum after traffic scheduling
Upload,
The business datum and processing after traffic scheduling is received, result feedback is sent back to each user.
A kind of service scheduling system of electric network emergency communication, including；
Application platform module, for building self-organizing distribution network, receives traffic scheduling request and business that user sends
Data；
Scheduler module, for responding the traffic scheduling request, internetwork communication business is judged as according to traffic scheduling type
Or be communication service in net, if internetwork communication business, then business datum is dispatched using centralized scheduling mode, if logical in net
Communication service, then dispatch business datum using distributed scheduling mode；
Node distribution module, priority and transmission services data for detecting each node in self-organizing power distribution network network
Threshold size is measured, is each node distribution shared channel in self-organizing power distribution network network according to testing result；
Communication module, for that by each node distribution shared channel in self-organizing power distribution network network, will be adjusted by business
Business datum after degree uploads to the remote command center console module；
Remote command center console module, for receiving and handling the business datum after traffic scheduling, and will
Result feedback send back to each user.
The business scheduling method and system of electric network emergency communication of the present invention, under ad-hoc communication pattern, internetwork communication is adopted
With centralized scheduling, the interior communication of net uses distributed scheduling, for that need to pass through internetwork communication business of the multi-hop through base station, centralization
Scheduling has more advantage than distributed scheduling, because the negotiation time of centralized scheduling is fewer than distribution.And for communication industry in net
Business, such as the communication between node closer to the distance in net, the Distributed Coordination time is few, and distributed scheduling has more advantage, therefore, right
Distributed scheduling is used in communication service in net, to mitigate the burden of base station, it is ensured that the high efficiency of transmission of real time business.In addition, whole
Individual traffic scheduling process relies on self-organizing power distribution network network completely, it is not necessary to the participation of external communication network, it is ensured that data are passed
Defeated safety with it is reliable, according to the priority of self-organizing network interior joint and transmission data threshold reasonable distribution shared channel, really
Protect the reasonable utilization of transmission channel, the efficient stable of data transfer.
Brief description of the drawings
Fig. 1 is the schematic flow sheet in business scheduling method one embodiment that electric network emergency of the present invention communicates；
Fig. 2 is the schematic flow sheet in second embodiment of business scheduling method that electric network emergency of the present invention communicates；
Fig. 3 is the structural representation in service scheduling system one embodiment that electric network emergency of the present invention communicates；
Fig. 4 is the structural representation in second embodiment of service scheduling system that electric network emergency of the present invention communicates.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below according to drawings and Examples
The present invention is further elaborated.It should be appreciated that specific implementation described herein is only to explain the present invention, not
Limit the present invention.
As shown in figure 1, a kind of business scheduling method of electric network emergency communication, including step：
S100：Self-organizing power distribution network network is built, traffic scheduling request and business datum that user sends is received.
The emergency communication of self-organizing power distribution network is as broadband data transmission technology, with transmission speed is fast, deployment is simple, covering
The advantages of scope is wide.It is widely used to using the communication system of self-organizing technique towards private networks such as emergency communication, real-time monitoring
Application field.Built based on the emergency communication of self-organizing power distribution network, realize high speed passback and the power network of power distribution network application data information
The transmission of control centre's control instruction is assigned.Including self-organizing power distribution network emergency communication base station equipment and terminal device, terminal is set
It is standby to carry all kinds of distribution network services, such as power distribution information perception, integrated dispatch, emergency command.Herein can be using now normal
Rule means, which are set up, builds a self-organizing distribution network for meeting current power distribution network application demand, receives the business that user sends
Dispatch request and business datum.User can send traffic scheduling by user platform in self-organizing power distribution network and ask and business
Data, this user platform can be provided with multiple, be distributed in whole distribution network, be conducive to the safety fortune of electric power network
OK.This receives user data process and can received by the application platform in self-organizing distribution network.
S200：The traffic scheduling request is responded, internetwork communication business is judged as or in net according to traffic scheduling type
Communication service, if internetwork communication business, then dispatches business datum using centralized scheduling mode, if communication service in net,
Business datum is then dispatched using distributed scheduling mode.
The traffic scheduling request of the self-organizing distribution network response user of structure, is judged as between net according to traffic scheduling type
Communication service is communication service in net.Centralized scheduling scheme is used for internetwork communication business, is sent out from subscriber station to base station
Go out request, it is impossible to which the subscriber station for being directly connected to base station sends request message to their father node, and father node is received and come from
In the solicited message of child node, request and the request of oneself child node are sent collectively to base station, and then base station is according to reception
The bandwidth request and the bearing capacity of current network arrived distributes resource for it.Distributed scheduling side is used for communication service in net
Case, it is held consultation determination by some or all nodes in the way of making an appointment, and needs not move through base station, and each node is by basis
The bearing capacity of itself, dynamically adjusts Access Algorithm and distribution bandwidth.
S300：The priority and transmission services data-quantity threshold size of each node in self-organizing power distribution network network are detected,
It is each node distribution shared channel in self-organizing power distribution network network according to testing result.
Many nodes, each node present position, required wire data type and biography in self-organizing distribution network
Transmission of data amount is different, so each node has respective priority.Need first to travel through whole self-organizing power distribution network herein
Node in network, detects, recognizes the priority and transmitted data amount threshold size of each node, rationally common for each node distribution
Enjoy channel, it is ensured that data transfer it is efficient with stably, transmission channel makes full use of.
S400：By each node distribution shared channel in self-organizing power distribution network network, by the industry after traffic scheduling
Data of being engaged in are uploaded.
In reasonable distribution self-organizing distribution network after the shared channel of each node, it is necessary to by sharing signal by industry
Business scheduling data upload process.
S500：The business datum and processing after traffic scheduling is received, result feedback is sent back to each
User.
Receive after the business datum after traffic scheduling, these data are handled, and these data are anti-
It is fed to each user.
The business scheduling method of electric network emergency communication of the present invention, under ad-hoc communication pattern, in ad-hoc communication pattern
Under, internetwork communication uses communication in centralized scheduling, net to use distributed scheduling, leads to for that need to pass through between net of the multi-hop through base station
Communication service, centralized scheduling has more advantage than distributed scheduling, because the negotiation time of centralized scheduling is fewer than distribution.And it is right
In communication service in net, such as the communication between node closer to the distance in net, the Distributed Coordination time is few, and distributed scheduling has more
Advantage, therefore, for net in communication service use distributed scheduling, to mitigate the burden of base station, it is ensured that real time business it is efficient
Transmission.In addition, whole traffic scheduling process relies on self-organizing power distribution network network completely, it is not necessary to the ginseng of external communication network
With, it is ensured that the safety of data transfer according to the priority of self-organizing network interior joint and transmission data threshold with reliably, rationally dividing
With shared channel, it is ensured that the reasonable utilization of transmission channel, the efficient stable of data transfer.
As shown in Fig. 2 in one of the embodiments, the S300 specifically includes step：
S320：Detect the priority and transmission services data-quantity threshold size of each node in self-organizing power distribution network network；
S340：Send MSH-DSCH each node into self-organizing power distribution network network；
S360：According to testing result, each node in self-organizing power distribution network network is shared using the MSH-DSCH
Channel is held consultation distribution.
Node is preengage and negotiation data bandwidth by sending MSH-DSCH with other nodes.
As shown in Fig. 2 in one of the embodiments, also having step before the S500；
S420：According to the priority of each node in self-organizing power distribution network network, to each in self-organizing power distribution network network
Node carries out Dynamic Resource Allocation for Multimedia processing, wherein, the Dynamic Resource Allocation for Multimedia processing includes the processing of dynamically distributes time slot and dynamic
Distribute Channel Processing.
Self-organizing Emergency Communications Network media access control essentially consists in dynamic allocation of resources and distinguishes the service of priority
Quality, dynamic allocation of resources mainly includes：Dynamically distribute time slot so that idle time slot can be more by transmission number of request
Node makes full use of；Dynamically distribute channel so that node can flexibly use multichannel mechanism, realize that snap information merges institute
The communication capacity that the multipath reception needed is sent all the way.Distinguishing the service quality of priority mainly includes：Preferential is distinguished to packet
Level, ensures the service quality of limit priority all the time；Other priority are divided in portion bandwidth, and the allocation proportion can be adjusted flexibly
It is whole；Hydraulic performance decline is relatively gentle during high capacity.
Resource allocation flow includes：(1) node request list process is obtained；(2) requests classification buffering course；(3) ask
Queue intercepts process；(4) resource allocation process；(5) node uses allocation result process.Resource allocation process uses request queue
The actual send opportunity number of each priority after the interception of interception process, is followed successively by each preferential fraction since limit priority
It is equal to two tuples of the remaining request number of the priority with quantity<Time slot, channel>Resource, and received in the assignment procedure
Hair control.
Distribute resource process：After request queue interception process is finished, network control center is had been known for as each is preferential
The actual send opportunity number provided of level.Initialize " node reiving/transmitting state information table ", afterwards, provided according to each priority is actual
Send opportunity number request distribution<Time slot, channel>Two-dimentional resource.If there is request to be not previously allocated in current buffer, and
Also data available time slot, then according to the order from high priority to low priority, circulate the request team for getting some priority
Row.If the allocated request number of the priority has reached the send opportunity number of actual offer, the priority still have not by
The request of distribution and currently also have idle channel, then obtain the request of a unassigned resource of the priority request queue.
Judge that the request is assigned to the requirement that node transmitting-receiving control whether is met in current time slots, work as if meeting for request distribution
An idle channel on preceding time slot, and by the partial information of request and be assigned to<Time slot, channel>Resource conservation is money
Source allocation result；Otherwise temporarily " skipping " request.Idle channel label exceeds number of channel scope, represents own in current time slots
Channel resource is allocated to be finished, and available time slot label is increased by 1 to point to next available time slot.When all requests all
Allocated resource, or without available data slot, resource allocation process terminates.
As shown in figure 3, a kind of service scheduling system of electric network emergency communication, including；
Application platform module 100, for building self-organizing distribution network, receives traffic scheduling request and industry that user sends
Business data.
Scheduler module 200, for responding the traffic scheduling request, internetwork communication industry is judged as according to traffic scheduling type
Business is communication service in net, if internetwork communication business, then dispatches business datum using centralized scheduling mode, if in net
Communication service, then dispatch business datum using distributed scheduling mode；
Node distribution module 300, priority and transmission services for detecting each node in self-organizing power distribution network network
Data-quantity threshold size, is each node distribution shared channel in self-organizing power distribution network network according to testing result；
Communication module 400, for by each node distribution shared channel in self-organizing power distribution network network, business will to be passed through
Business datum after scheduling uploads to the remote command center console module；
Remote command center console module 500, for receiving and handling the business datum after traffic scheduling, and
Result feedback is sent back to each user.
The service scheduling system of electric network emergency communication of the present invention, application platform module construction self-organizing distribution network is received
Traffic scheduling request and business datum that user sends, scheduler module responds the traffic scheduling request, according to traffic scheduling class
Type is judged as internetwork communication business or is communication service in net, if internetwork communication business, is then adjusted using centralized scheduling mode
Business datum is spent, if communication service in net, then business datum, the detection of node distribution module are dispatched using distributed scheduling mode
The priority of each node and transmission services data-quantity threshold size in self-organizing power distribution network network, are from group according to testing result
Each node distribution shared channel in power distribution network network is knitted, communication module passes through each node distribution in self-organizing power distribution network network
Shared channel, the business datum after traffic scheduling is uploaded in the remote command center console module, remote command
Heart console module is received and handles the business datum after traffic scheduling, and result feedback is sent back into each use
Family.Under ad-hoc communication pattern, for that need to pass through internetwork communication business of the multi-hop through base station, centralized scheduling is adjusted than distributed
Degree has more advantage, because the negotiation time of centralized scheduling is fewer than distribution.And for net in communication service, such as in net away from
From the communication between nearlyer node, the Distributed Coordination time is few, and distributed scheduling has more advantage, therefore, for communication service in net
Using distributed scheduling, to mitigate the burden of base station, it is ensured that the high efficiency of transmission of real time business.In addition, whole service scheduling system
Traffic scheduling process rely on self-organizing power distribution network network completely, it is not necessary to the participation of external communication network, it is ensured that data pass
Defeated safety with it is reliable, according to the priority of self-organizing network interior joint and transmission data threshold reasonable distribution shared channel, really
Protect the reasonable utilization of transmission channel, the efficient stable of data transfer.
As shown in figure 4, in one of the embodiments, the node distribution module 300 is specifically included：
Detection unit 320, priority and transmission services data for detecting each node in self-organizing power distribution network network
Measure threshold size；
MSH-DSCH transmitting elements 340, for sending MSH-DSCH each node into self-organizing power distribution network network；
Allocation unit is according to testing result 360, for utilizing the MSH-DSCH to each in self-organizing power distribution network network
The shared channel of node is held consultation distribution.
Node is preengage and negotiation data bandwidth by sending MSH-DSCH with other nodes.
As shown in figure 4, in one of the embodiments, the service scheduling system of the electric network emergency communication also includes：
Resource distribution module 600, for the priority according to each node in self-organizing power distribution network network, matches somebody with somebody to self-organizing
The node of each in electricity grid network carries out Dynamic Resource Allocation for Multimedia processing, wherein, the Dynamic Resource Allocation for Multimedia processing includes dynamically distributes
Time slot processing and dynamically distributes Channel Processing.
In one of the embodiments, the scheduler module includes：
Type of service judgement unit is dispatched, for responding the traffic scheduling request, is judged as according to traffic scheduling type
Internetwork communication business is communication service in net；
Internetwork communication traffic scheduling unit, for being internetwork communication business when traffic scheduling type, using centralized scheduling
Mode dispatches business datum.
Communication service scheduling unit in net, for being communication service in net when traffic scheduling type, using distributed scheduling
Mode dispatches business datum.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of business scheduling method of electric network emergency communication, it is characterised in that including step：
Self-organizing power distribution network network is built, traffic scheduling request and business datum that user sends is received；
Traffic scheduling request is responded, internetwork communication business is judged as according to traffic scheduling type or is communication service in net,
If internetwork communication business, then business datum is dispatched using centralized scheduling mode, if communication service in net, then using distribution
Formula scheduling mode dispatches business datum；
Travel through the priority and biography of each node in each node in self-organizing power distribution network network, detection self-organizing power distribution network network
Defeated business datum amount threshold size, is each node distribution shared channel in self-organizing power distribution network network according to testing result；
By each node distribution shared channel in self-organizing power distribution network network, by the business datum after traffic scheduling
Pass,
The business datum and processing after traffic scheduling is received, result feedback is sent back to each user；
It is described reception the business datum and processing after traffic scheduling, by result feedback send back to each user it
It is preceding to also have step；
According to the priority of each node in self-organizing power distribution network network, action is entered to each node in self-organizing power distribution network network
State resource allocation process, wherein, the Dynamic Resource Allocation for Multimedia processing is included at the processing of dynamically distributes time slot and dynamically distributes channel
Reason, resource allocation flow includes：Obtain node request list process, requests classification buffering course, request queue interception process, money
Source assigning process and node use allocation result process.
2. the business scheduling method of electric network emergency communication according to claim 1, it is characterised in that the detection self-organizing
The priority of each node and transmission services data-quantity threshold size in power distribution network network, are self-organizing distribution according to testing result
Each node distribution shared channel specifically includes step in net network：
Detect the priority and transmission services data-quantity threshold size of each node in self-organizing power distribution network network；
Send MSH-DSCH each node into self-organizing power distribution network network；
According to testing result, the shared channel of each node in self-organizing power distribution network network is assisted using the MSH-DSCH
Business distributes.
3. a kind of service scheduling system of electric network emergency communication, it is characterised in that including；
Application platform module, for building self-organizing power distribution network network, receives traffic scheduling request and business number that user sends
According to；
Scheduler module, for responding the traffic scheduling request, is judged as internetwork communication business according to traffic scheduling type or is
Communication service in net, if internetwork communication business, then dispatches business datum using centralized scheduling mode, if communication industry in net
Business, then dispatch business datum using distributed scheduling mode；
Node distribution module, it is each in each node in self-organizing power distribution network network, detection self-organizing power distribution network network for traveling through
The priority and transmission services data-quantity threshold size of individual node, are saved according to testing result for each in self-organizing power distribution network network
Point distribution shared channel；
Communication module, will be after traffic scheduling for by each node distribution shared channel in self-organizing power distribution network network
Business datum upload to remote command center console module；
Remote command center console module, for receiving and handling the business datum after traffic scheduling, and will processing
As a result feedback send back to each user；
Resource distribution module, for the priority according to each node in self-organizing power distribution network network, to self-organizing power distribution network net
The node of each in network carries out Dynamic Resource Allocation for Multimedia processing, wherein, the Dynamic Resource Allocation for Multimedia processing is included at dynamically distributes time slot
Reason and dynamically distributes Channel Processing, resource allocation flow include：Obtain node request list process, requests classification buffering course,
Request queue interception process, resource allocation process and node use allocation result process.
4. the service scheduling system of electric network emergency communication according to claim 3, it is characterised in that the node distribution mould
Block is specifically included：
Detection unit, for detecting that the priority and transmission services data-quantity threshold of each node in self-organizing power distribution network network are big
It is small；
MSH-DSCH transmitting elements, for sending MSH-DSCH each node into self-organizing power distribution network network；
Allocation unit is according to testing result, for being total to using the MSH-DSCH to each node in self-organizing power distribution network network
Channel is enjoyed to hold consultation distribution.
5. the service scheduling system of the electric network emergency communication according to claim 3 or 4, it is characterised in that the scheduling mould
Block includes：
Type of service judgement unit is dispatched, for responding the traffic scheduling request, is judged as according to traffic scheduling type between net
Communication service is communication service in net；
Internetwork communication traffic scheduling unit, for being internetwork communication business when traffic scheduling type, using centralized scheduling mode
Dispatch business datum；
Communication service scheduling unit in net, for being communication service in net when traffic scheduling type, using distributed scheduling mode
Dispatch business datum.
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| CN101064640A (en) * | 2006-04-30 | 2007-10-31 | 华为技术有限公司 | Method, system and node for transmitting data in distributed non-collaboration grid network |
| CN103051502A (en) * | 2012-12-07 | 2013-04-17 | 广东电网公司佛山供电局 | System and method of self-organized networking and flexible accessing of intelligent power equipment in electricity utilization community |
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| DE102008052718A1 (en) * | 2008-10-22 | 2010-04-29 | Rohde & Schwarz Gmbh & Co. Kg | Self-organizing communication network and method of its scope |
| US20130197710A1 (en) * | 2010-04-26 | 2013-08-01 | Dong Energy A/S | Dispatch controller for a distributed electrical power system |
| CN102158966B (en) * | 2011-02-25 | 2014-04-02 | 北京交通大学 | Centralized time slot dispatching method and system |
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| CN101064640A (en) * | 2006-04-30 | 2007-10-31 | 华为技术有限公司 | Method, system and node for transmitting data in distributed non-collaboration grid network |
| CN103051502A (en) * | 2012-12-07 | 2013-04-17 | 广东电网公司佛山供电局 | System and method of self-organized networking and flexible accessing of intelligent power equipment in electricity utilization community |
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Inventor after: Wang Yongcai Inventor after: Luo Yu Inventor after: Huang Haiqing Inventor after: Song Yu Inventor after: Chen Xuyu Inventor after: Fan Ting Inventor after: Yang Qiuyong Inventor after: Yu Yongzhong Inventor after: Chen Diebin Inventor after: Song Caihua Inventor after: Wu Lixian Inventor after: Xiao Zhaodi Inventor after: Wang Jing Inventor after: Du Jiabing Inventor after: Xiong Gang Inventor before: Wang Yongcai Inventor before: Luo Yu Inventor before: Huang Haiqing Inventor before: Song Yu Inventor before: Chen Xuyu Inventor before: Fan Ting Inventor before: Yang Qiuyong Inventor before: Guan Zhiwei Inventor before: Huang Yukui Inventor before: Li Chang Inventor before: Xiang Luan Inventor before: Yu Yongzhong Inventor before: Chen Diebin Inventor before: Song Caihua Inventor before: Wu Lixian Inventor before: Xiao Zhaodi Inventor before: Wang Jing Inventor before: Du Jiabing Inventor before: Xiong Gang |
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Free format text: CORRECT: INVENTOR; FROM: WANG YONGCAI YU YONGZHONG CHEN YIBIN SONG CAIHUA WU LIXIAN XIAO ZHAODI WANG JING DU JIABING XIONG GANG LUO YU HUANG HAIQING SONG YU CHEN XUYU FAN TING YANG QIUYONG GUAN ZHIWEI HUANG YUKUI LI CHANG XIANG LUAN TO: WANG YONGCAI YU YONGZHONG CHEN YIBIN SONG CAIHUA WU LIXIAN XIAO ZHAODI WANG JING DU JIABING XIONG GANG LUO YU HUANG HAIQING SONG YU CHEN XUYU FAN TING YANG QIUYONG |
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