CN102223687B - Transmitting method and equipment for interference coordination request - Google Patents

Transmitting method and equipment for interference coordination request Download PDF

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CN102223687B
CN102223687B CN201110167457.8A CN201110167457A CN102223687B CN 102223687 B CN102223687 B CN 102223687B CN 201110167457 A CN201110167457 A CN 201110167457A CN 102223687 B CN102223687 B CN 102223687B
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base station
edge customer
hii parameter
neighbor cell
customer equipment
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CN102223687A (en
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刘阳
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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    • 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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Abstract

The invention discloses a transmitting method and transmitting equipment for an interference coordination request; the method comprises the following steps: a base station obtains attribute information of the cell; if the attribute information of the cell is a VIP (very important person) cell, the base station transmits an interference coordination request to the base station of the adjacent cell; if the attribute information of the cell is a non-VIP cell, the base station obtains the attribute information of the adjacent cell; if the attribute information of the adjacent cell is the non-VIP cell, the base station transmits the interference coordination request to the base station of the adjacent cell; if the attribute information of the adjacent cell is the VIP cell, the base station determines not to transmit the interference coordination request to the base station of the adjacent cell. In the embodiment of the invention, the performance experience of the user equipment under the VIP cell can be well ensured.

Description

A kind of sending method of interference coordination request and equipment
Technical field
The present invention relates to communication technical field, especially relate to a kind of sending method and equipment of interference coordination request.
Background technology
LTE(Long Term Evolution, Long Term Evolution) system is for ICIC(Inter-Cell Interference Coordination, Inter-Cell Interference Coordination) technology, some amounts of reporting have been defined, comprise: HII(High Interference Indication, high interference indication), RNTP(Relative Narrowband Transmission Power, arrowband transmitted power), OI(Overload Indication, overload indication) etc., HII, OI are for up link, and RNTP is for down link.The above-mentioned amount of reporting is generated and is organized as load information (Load information) by base station, transmit, thereby help to carry out the interference coordination for the minizone of up link and down link by the logical links between base station (X2).
In prior art, each Ke Xiang neighbor cell, community sends load information, each community is after the load information of receiving from neighbor cell, need to process based on load information, adjust and limit available resources and the resource of this center of housing estate, edge customer equipment and use priority, thereby reach the object of interference coordination.
In realizing process of the present invention, inventor finds at least to exist in prior art following problem:
Any community all can send to neighbor cell interference coordination request (being load information), and any community needs to process accordingly after receiving interference coordination request, be unfavorable for the use of subscriber equipment in VIP community, limit the flexibility that this local resource distributes, cannot guarantee the performance of user in VIP community.
Summary of the invention
The embodiment of the present invention provides a kind of sending method and equipment of interference coordination request, to guarantee the performance of user in VIP community.
In order to achieve the above object, the embodiment of the present invention provides a kind of sending method of interference coordination request, comprising:
Base station obtains this cell attribute information;
If this cell attribute information WeiVIP community, described base station sends interference coordination request to the base station of neighbor cell;
If this cell attribute information Wei Fei VIP community, described base station obtains neighbor cell attribute information;
If attribute information Wei Fei VIP community, neighbor cell, described base station sends interference coordination request to the base station of neighbor cell;
If attribute information WeiVIP community, neighbor cell, described base station is determined not to the base station of neighbor cell and is sent interference coordination request.
The embodiment of the present invention provides a kind of base station equipment, comprising:
The first acquisition module, for obtaining this cell attribute information;
The first sending module, sends interference coordination request for the base station when Shi，Xiang neighbor cell, this cell attribute information WeiVIP community;
The second acquisition module, for when this cell attribute information Wei Fei VIP community, obtains neighbor cell attribute information;
The second sending module, sends interference coordination request for the base station when Shi，Xiang neighbor cell, attribute information Wei Fei VIP community, neighbor cell;
Determination module, for when the attribute information WeiVIP community, neighbor cell, determines not to the base station of neighbor cell and sends interference coordination request.
Compared with prior art, the present invention at least has the following advantages: the performance that can better ensure the subscriber equipment under VIP community is experienced.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the sending method schematic flow sheet of a kind of interference coordination request of providing of the embodiment of the present invention one;
Fig. 2 is the facilities schematic diagram of embodiment of the present invention HII parameter;
Fig. 3 is the structural representation of a kind of base station equipment of providing of the embodiment of the present invention two.
Embodiment
In the network of current operator, the subscriber equipment covering for some community and these communities, need to give the dynamics of guarantee more preferably, to guarantee that the subscriber equipment under these communities can obtain better user's experience, these communities are referred to as VIP community, if the subscriber equipment under VIP community can not obtain good user and experience, will cause disadvantageous negative effect to the operation ability of operator, brand building popularization etc.Wherein ，VIP community includes but not limited to: the flagship business hall of government bodies building, operator, hold momentous conference place or rendezvous etc.
In prior art, in LTE system, introduced ICIC technology, by coordinate to use running time-frequency resource and power resource between a plurality of communities, with ensuring coverage and raising community marginal user performance.But, said process is not considered VIP community, any community all can send to neighbor cell interference coordination request, and any community needs to process accordingly after receiving interference coordination request, if VIP receives community interference coordination request, response can be made equally in ZeVIP community, limits the resource of this community and uses.
Take up interference coordination as example, if VIP receives community the HII(of neighbor cell and carries in interference coordination request), ZeVIP community is for the PRB(Physical Resource Block that is designated 1 in HII, Physical Resource Block), can limit edge subscriber equipment to the use of these PRB or reduce the use priority of edge customer equipment to these PRB; If VIP receives community that resource that the HII ，Ze VIP community of a plurality of neighbor cells will edge subscriber equipment is distributed and causes more restriction.As can be seen here, in prior art, limit the flexibility that VIP local resource distributes, cannot ensure the performance of the edge customer equipment under VIP community.
For the problems referred to above, the invention provides a kind of sending method and equipment of interference coordination request, the feature ensureing for VIP community, in conjunction with ICIC technology, the subscriber equipment under Ke Shi VIP community (especially edge customer equipment) obtains more good user and experiences.
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The embodiment of the present invention one provides a kind of sending method of interference coordination request, adjacent Fei VIP community, YuVIP community (being common community) can not send interference coordination request (being load information) in XiangVIP community, VIP community can send to adjacent Fei VIP community interference coordination request, and adjacent Fei VIP community needs the interference coordination request that send DuiVIP community to process.As shown in Figure 1, the method comprises the following steps:
Step 101, base station obtains this cell attribute information.Cell attribute information can WeiVIP community or FeiVIP community; If this cell attribute information WeiVIP community, performs step 102, if this cell attribute information Wei Fei VIP community performs step 103.
In practical application, can pass through O & M(Operation & Maintenance, operation and maintenance) the cell attribute information configuration of Jiang Ge community is on each base station, so base station can directly be beneficial to configuring condition and obtains this cell attribute information.
Step 102, base station sends interference coordination request to the base station of neighbor cell.Wherein, due to Shi Fei VIP community also, the attribute information ShiVIP community of ，Ze neighbor cell, this cell attribute information WeiVIP community, base station all can send interference coordination request to the base station of neighbor cell.
Step 103, base station obtains neighbor cell attribute information.If attribute information Wei Fei VIP community, neighbor cell, performs step 104, if attribute information WeiVIP community, neighbor cell performs step 105.
Because the cell attribute information of each community has been configured on each base station, so base station can directly be beneficial to configuring condition and obtains neighbor cell attribute information.
Step 104, base station sends interference coordination request to the base station of neighbor cell.
Owing to allowing to send between FeiVIP community interference coordination request ，Dang Zhe community and neighbor cell, be Shi，Ze base station, FeiVIP community and can send interference coordination request to the base station of neighbor cell, in this process embodiment of the present invention, repeat no more.
Step 105, base station is determined not to the base station of neighbor cell and is sent interference coordination request.Wei Fei VIP community, Dang Zhe community, during WeiVIP community, neighbor cell, in the embodiment of the present invention, base station can not send interference coordination request to the base station of neighbor cell, does not allow XiangVIP community, adjacent Fei VIP community, YuVIP community to send interference coordination request.
In the step 102 of said process, base station sends process from interference coordination request to the base station of neighbor cell is specially: base station according to predetermined period (as time interval T, time interval T can >=20ms in LTE standard) within the scope of full bandwidth (the maximum 20MHz bandwidth of supporting of LTE system) according to the dispatching algorithm strategy of self, carry out frequency resource allocation, the scheduler of JiVIP community is when this community user of scheduling equipment, on frequency resource allocation, not affected by neighbor cell, do not need to consider the HII parameter of neighbor cell.Afterwards, HII parameter is determined according to frequency resource allocation result in base station; And the interference coordination request of HII parameter is carried in base station to the base station transmission of neighbor cell.
It should be noted that if definite HII parameter of the definite HII parameter of current period and a upper cycle does not change, current period can be not send to the base station of neighbor cell the interference coordination request that carry HII parameter; Otherwise, to the base station of neighbor cell, send the interference coordination request of carrying HII parameter.
In said process, HII parameter is used to indicate base station assigns to the PRB of edge customer equipment, and this PRB is avoided in the base station of neighbor cell when scheduling edge customer equipment; And HII parameter has following features: prediction indication; On each PRB, have a bit, 1 represents that edge customer equipment will be used or preferentially use this PRB, and 0 represents that edge customer equipment is not used or preferentially do not use this PRB; Event triggered; Be spaced apart 20ms minimum update time.
In the embodiment of the present invention, at the current period of transmission interference coordination request and between next cycle, (indicating PRB is 1 resource) scheduling edge customer equipment in the operable PRB resource of indicating in the HII parameter that the scheduler of the PRB scheduling edge customer equipment ，Ji Zhe community that indicate in can the HII parameter by current period base station sends at current period.Afterwards, the base station of neighbor cell is after receiving the interference coordination request that carries HII parameter, if judgement HII parameter from VIP community, does not allow to be designated as the edge customer equipment under the base station of dispatching this neighbor cell on 1 PRB in HII parameter.
In addition, base station determines that according to frequency resource allocation result the process of HII parameter comprises: base station was that the frequency resource of edge customer devices allocation and current period are the frequency resource of edge customer devices allocation while setting HII parameter while setting HII parameter according to a upper cycle, determined HII parameter (determining that PRB arranges).
Consider that the subscriber equipment great majority under VIP community are static, thus when determining current period HII parameter to be sent can based on the HII parameter set of a cycle.If dispatched K edge customer equipment when a upper cycle is set HII parameter, the PRB resource collection distributing for UEi is Ri, i=1, and 2 ..., K; When current period is set HII parameter, need dispatch L edge customer equipment, the PRB resource collection distributing for UEj is Rj, j=1, and 2 ..., L; The known up PRB resource collection of uplink single-carrier property by LTE system is continuous, so base station determines that the HII parameter of current period comprises:
Figure 2011101674578100002DEST_PATH_IMAGE001
。
It should be noted that if current period while setting HII parameter, UEi is not edge customer equipment,
Figure 705988DEST_PATH_IMAGE001
in do not comprise the resource Ri that UEi is corresponding.
If the PRB number comprising in HII parameter is less than Nreq, the PRB number of keeping for edge customer equipment to use in HII parameter is taken as Nreq, wherein remaining PRB(residue PRB number is: Nreq deducts 1 the PRB number of being set to comprising in HII parameter) system of selection be: as far as possible with HII parameter in the PRB that indicates continuous, to guarantee certain peak rate.
It should be noted that, Nreq requires according to the spectrum efficiency of edge customer equipment and data rate the edge customer device resource requirements Nreq(PRB number obtaining).Nreq=(PRBOccupy/DataRate) * DataRateReqSum; Wherein, PRBOccupy is the PRB number that average each sub-frame of uplink of edge customer equipment takies, DataRate is the up total actual transfer rate of all edge customer equipment, and DataRateReqSum is the rate requirement sum of all edge customer equipment uplink services.
In order more clearly to set forth the deterministic process of above-mentioned HII parameter, below in conjunction with the HII shown in Fig. 2, schematic diagram is set and illustrates.
While setting HII parameter in a upper cycle, scheduler schedules 2 edge customer equipment UE 1 and UE2, the PRB resource of distributing for UE1 and UE2 is as shown in Figure 2; When current period is set HII parameter, scheduler determines 2 edge customer equipment UE 2 of scheduling and UE3, and because current period and a upper cycle all determine to dispatch UE2, the current period of therefore take carries out HII setting parameter as the resource that UE2 distributes, and HII parameter is
Figure 717938DEST_PATH_IMAGE002
.If UE1 is when current period arranges HII parameter, base station judges that UE1 has been no longer edge customer equipment, and HII parameter is
Figure 2011101674578100002DEST_PATH_IMAGE003
.
Wherein, R1 is illustrated in the moment of cycle setting HII parameter, and scheduler is the PRB resource collection that UE1 distributes; R2, R3 are illustrated in the moment that current period is set HII parameter, and scheduler is the PRB resource collection that UE2 and UE3 distribute.
Embodiment bis-
Inventive concept based on same with said method, also provides a kind of base station equipment in the embodiment of the present invention, as shown in Figure 3, this base station equipment comprises:
The first acquisition module 11, for obtaining this cell attribute information;
The first sending module 12, sends interference coordination request for the base station when Shi，Xiang neighbor cell, this cell attribute information WeiVIP community;
The second acquisition module 13, for when this cell attribute information Wei Fei VIP community, obtains neighbor cell attribute information;
The second sending module 14, sends interference coordination request for the base station when Shi，Xiang neighbor cell, attribute information Wei Fei VIP community, neighbor cell;
Determination module 15, for when the attribute information WeiVIP community, neighbor cell, determines not to the base station of neighbor cell and sends interference coordination request.
Described the first sending module 12, specifically for carry out frequency resource allocation within the scope of full bandwidth according to predetermined period, and determines high interference indication HII parameter according to frequency resource allocation result; And send the interference coordination request of carrying described HII parameter to the base station of neighbor cell.
Described HII parameter is used to indicate the Physical Resource Block PRB that distributes to edge customer equipment, and described PRB is avoided in the base station of neighbor cell when scheduling edge customer equipment; At the current period of the described interference coordination request of transmission and between next cycle, the PRB scheduling edge customer equipment of indicating in the HII parameter by current period.
Described HII parameter is used to indicate described base station assigns to the PRB of edge customer equipment; Described the first sending module 12, is also that the frequency resource of edge customer devices allocation and current period are the frequency resource of edge customer devices allocation while setting HII parameter when setting HII parameter according to a upper cycle, determines HII parameter.
Described the first sending module 12, if dispatched K edge customer equipment while being further used for upper cycle setting HII parameter, the PRB resource collection distributing for UEi is Ri, i=1,2 ..., K; When current period is set HII parameter, need dispatch L edge customer equipment, the PRB resource collection distributing for UEj is Rj, j=1, and 2 ..., L;
The HII parameter of determining current period comprises:
Figure 449134DEST_PATH_IMAGE001
。
If when current period is set HII parameter, UEi is not edge customer equipment,
Figure 255547DEST_PATH_IMAGE001
in do not comprise the resource Ri that UEi is corresponding.
If the PRB number comprising in HII parameter is less than Nreq, the PRB number of keeping for edge customer equipment to use in HII parameter is taken as Nreq; Described Nreq requires to obtain according to the spectrum efficiency of edge customer equipment and data rate.
Nreq=(PRBOccupy/DataRate) * DataRateReqSum; PRBOccupy is the PRB number that average each sub-frame of uplink of edge customer equipment takies, and DataRate is the up total actual transfer rate of all edge customer equipment, and DataRateReqSum is the rate requirement sum of all edge customer equipment uplink services.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separatedly dispose.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (10)

1. a sending method for interference coordination request, is characterized in that, comprising:
Base station obtains this cell attribute information;
If this cell attribute information WeiVIP community, described base station sends interference coordination request to the base station of neighbor cell; Wherein, described base station sends interference coordination request to the base station of neighbor cell, comprising: frequency resource allocation is carried out in described base station within the scope of full bandwidth according to predetermined period, and determines high interference indication HII parameter according to frequency resource allocation result; Described base station sends the interference coordination request of carrying described HII parameter to the base station of neighbor cell; Wherein, described HII parameter is used to indicate described base station assigns to the Physical Resource Block PRB of edge customer equipment, high interference indication HII parameter is determined according to frequency resource allocation result in described base station, comprise: described base station was that the frequency resource of edge customer devices allocation and current period are the frequency resource of edge customer devices allocation while setting HII parameter while setting HII parameter according to a upper cycle, determined HII parameter; Described base station was that the frequency resource of edge customer devices allocation and current period are the frequency resource of edge customer devices allocation while setting HII parameter while setting HII parameter according to a upper cycle, determine HII parameter, comprise: if dispatched K edge customer equipment when a upper cycle is set HII parameter, the PRB resource collection distributing for UEi is Ri, i=1,2 ..., K; When current period is set HII parameter, need dispatch L edge customer equipment, the PRB resource collection distributing for UEj is Rj, j=1, and 2 ..., L; Described base station determines that the HII parameter of current period comprises:
( ∪ i = 1 , i ≠ j i = K Ri ) ∪ ( ∪ j = 1 j = L Rj ) ;
If this cell attribute information Wei Fei VIP community, described base station obtains neighbor cell attribute information;
If attribute information Wei Fei VIP community, neighbor cell, described base station sends interference coordination request to the base station of neighbor cell;
If attribute information WeiVIP community, neighbor cell, described base station is determined not to the base station of neighbor cell and is sent interference coordination request.
2. the method for claim 1, is characterized in that, described PRB is avoided in the base station of neighbor cell when scheduling edge customer equipment; At the current period of the described interference coordination request of transmission and between next cycle, the PRB scheduling edge customer equipment of indicating in the HII parameter of described base station by current period.
3. the method for claim 1, is characterized in that, if when current period is set HII parameter, UEi is not edge customer equipment,
Figure FDA0000380511530000021
in do not comprise the resource Ri that UEi is corresponding.
4. the method for claim 1, is characterized in that, if the PRB number comprising in HII parameter is less than Nreq, the PRB number of keeping for edge customer equipment to use in HII parameter is taken as Nreq; Described Nreq requires to obtain according to the spectrum efficiency of edge customer equipment and data rate.
5. method as claimed in claim 4, is characterized in that, Nreq=(PRBOccupy/DataRate) * DataRateReqSum; PRBOccupy is the PRB number that average each sub-frame of uplink of edge customer equipment takies, and DataRate is the up total actual transfer rate of all edge customer equipment, and DataRateReqSum is the rate requirement sum of all edge customer equipment uplink services.
6. a base station equipment, is characterized in that, comprising:
The first acquisition module, for obtaining this cell attribute information;
The first sending module, sends interference coordination request for the base station when Shi，Xiang neighbor cell, this cell attribute information WeiVIP community; Specifically for carry out frequency resource allocation within the scope of full bandwidth according to predetermined period, and determine high interference indication HII parameter according to frequency resource allocation result; And send the interference coordination request of carrying described HII parameter to the base station of neighbor cell; Described HII parameter is used to indicate described base station assigns to the Physical Resource Block PRB of edge customer equipment; Be also that the frequency resource of edge customer devices allocation and current period are the frequency resource of edge customer devices allocation while setting HII parameter when setting HII parameter according to a upper cycle, determine HII parameter; If dispatched K edge customer equipment while being further used for upper cycle setting HII parameter, the PRB resource collection distributing for UEi is Ri, i=1, and 2 ..., K; When current period is set HII parameter, need dispatch L edge customer equipment, the PRB resource collection distributing for UEj is Rj, j=1, and 2 ..., L; The HII parameter of determining current period comprises:
( ∪ i = 1 , i ≠ j i = K Ri ) ∪ ( ∪ j = 1 j = L Rj ) ;
The second acquisition module, for when this cell attribute information Wei Fei VIP community, obtains neighbor cell attribute information;
The second sending module, sends interference coordination request for the base station when Shi，Xiang neighbor cell, attribute information Wei Fei VIP community, neighbor cell;
Determination module, for when the attribute information WeiVIP community, neighbor cell, determines not to the base station of neighbor cell and sends interference coordination request.
7. base station equipment as claimed in claim 6, is characterized in that, described PRB is avoided in the base station of neighbor cell when scheduling edge customer equipment; At the current period of the described interference coordination request of transmission and between next cycle, the PRB scheduling edge customer equipment of indicating in the HII parameter by current period.
8. base station equipment as claimed in claim 6, is characterized in that, if when current period is set HII parameter, UEi is not edge customer equipment,
Figure FDA0000380511530000032
in do not comprise the resource Ri that UEi is corresponding.
9. base station equipment as claimed in claim 6, is characterized in that, if the PRB number comprising in HII parameter is less than Nreq, the PRB number of keeping for edge customer equipment to use in HII parameter is taken as Nreq; Described Nreq requires to obtain according to the spectrum efficiency of edge customer equipment and data rate.
10. base station equipment as claimed in claim 9, is characterized in that, Nreq=(PRBOccupy/DataRate) * DataRateReqSum; PRBOccupy is the PRB number that average each sub-frame of uplink of edge customer equipment takies, and DataRate is the up total actual transfer rate of all edge customer equipment, and DataRateReqSum is the rate requirement sum of all edge customer equipment uplink services.
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CN102223687B (en) * 2011-06-21 2014-02-05 电信科学技术研究院 Transmitting method and equipment for interference coordination request
CN103874222B (en) * 2012-12-13 2017-04-05 京信通信系统（中国）有限公司 The interference control method and device of HSDPA
CN108631901B (en) * 2017-03-24 2020-03-10 华为技术有限公司 Information transmission method, processing method and device
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CN101631372A (en) * 2008-07-17 2010-01-20 华为技术有限公司 Method, server and system for communication security

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