CN102638834A - Cross-network-node neighbor cell relation management method and device - Google Patents
Cross-network-node neighbor cell relation management method and device Download PDFInfo
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Abstract
The invention discloses a cross-network-node neighbor cell relation management method, which comprises the steps that after a first network node obtains neighbor cell recorded information which is reported by user equipment (UE), the first network node transmits a neighbor cell information acquisition request to a second network node to which a neighbor cell of the cell of the first network node belongs; the second network node transmits an adjacent cell information response message to the first network node, wherein the adjacent cell information response message contains adjacent cell relation indication information; and the first network node conducts adjacent cell relation management according to the adjacent cell relation indication information. The invention additionally discloses a cross-network-node neighbor cell relation management device for realizing the method. The cross-network-node neighbor cell relation management method and the cross-network-node neighbor cell relation management device have the advantages that the cross-network-node adjacent cell list management is realized according to the cell measurement result of the UE, the accuracy of a neighbor cell list maintained according to the technical scheme provided by the invention is quite high, the UE switching operation conducted by a network side is more greatly facilitated and the continuity of service provided by a network is guaranteed.
Description
Technical field
The present invention relates to a kind of neighboring BS relationship administrative skill, relate in particular to a kind of neighbor relationship management method and device of across a network node.
Background technology
In communication system; In order to reduce the cost of networking and operation, traditional drive test is to test with artificial zone to needs monitoring and optimization, and in the evolution system based on next generation network; Reduction is necessary to the dependence and the more intelligent network optimization instrument of use of traditional drive test; Therefore, realizing collection and the demand of minimize human drive test of the metrical information at drive test terminal (also being subscriber equipment) automatically, is very useful.On the other hand, utilize the test result of subscriber equipment (UE, User Equipment) automatically to be optimized, and the network operation is had comprehensive understanding network.Therefore; At Long Term Evolution (LTE; Long Term Evolution) in the system minimum road test (MDT has been proposed; Minimise Drive Test) technical research should technology also can apply in the UMTS (UMTS, Universal Mobile Telecommunications System) simultaneously.Concrete, in MDT, (eNB) measures control by the base station, and UE reports metrical information; Fig. 1 is the configuration diagram of MDT, and is as shown in Figure 1, NMS and wireless access network (RAN; Radio Access Network) is positioned at the network side of mobile network, comprises eNB among the RAN, UE is measured control by RAN; Send to UE as will measure the control signaling through idle message etc., UE carries out drive test after receiving and measuring the control signaling; And the relevant information that drive test obtains reported to RAN, and report to NMS by RAN, NMS is carried out operations such as the network optimization according to the drive test relevant information.Concrete, the drive test of above-mentioned UE comprise mainly that daily record under reporting the immediately UE connected state under, free time (IDLE) attitude reports and connected state under daily record report three types.
Simultaneously, mobile subscriber's service continuity is an essential characteristic of cell mobile communication systems, and the switching of subscriber equipment Serving cell is the main means that guarantee service continuity.Switch for the ease of subscriber equipment; GSM need be given each cell configuration syntople; So that network side notifies neighboring BS information to subscriber equipment, subscriber equipment is measured back reporting measurement result to the adjacent area, switches to a certain adjacent area by network side indication subscriber equipment again.Have around certain sub-district which adjacent area not only with the sub-district distance dependent, and closely related with the residing wireless environment in sub-district.Because wireless environment is intricate, especially the intensive urban area circumstance of skyscraper is difficult to certain sub-district of definite judgement at the network planning initial stage and should disposes which adjacent area.Also have some to change the neighbouring relations of the sub-district that do not upgrade in time as having increased a sub-district or cell attribute in the system newly; The perhaps variation of environment, network planning personnel's omissions etc., it is untimely all can to cause neighboring BS information to upgrade.And utilize the MDT technology can make full use of the metrical information of drive test UE, wireless environment situation is on every side collected reported.Fig. 2 realizes automatic adjacent section information reporting flow chart for utilizing MDT to measure, and as shown in Figure 2, the automatic adjacent section information reporting specifically may further comprise the steps in the prior art:
Step 201, cell-of-origin select suitable UE to carry out the ANR measuring task; For all UE that are arranged in the sub-district, be not all to be suitable for ANR to measure, need select for use more suitable UE to carry out the measurement of neighboring BS information;
Step 202, UE is handed down to the ANR configuration information in the cell-of-origin; Here, the ANR configuration information can be notified to all UE through broadcast mode, or only notice is given the UE that needs to carry out drive test.The ANR configuration information mainly is that requirement UE carries out that neighboring BS information is measured and reports on suitable opportunity.
Step 203, UE carries out ANR measurement and record measurement result, can in cell re-selection procedure, carry out;
Step 204, UE reports the indication of ANR LOG measurement and report to Target cell;
Step 205, Target cell sends surveying record to UE and obtains request;
Step 206, UE carries out reporting of ANR LOG measurement result to Target cell;
Step 207, Target cell is safeguarded neighboring BS relationship according to the drive test result that UE reports.
Because record can be carried out to the adjacent area in different positions in the moving process in the drive test terminal in network; The terminal can be with arbitrary eNB or radio network controller (RNC in adjacent zone information reporting to the network of service cell information that records and correspondence; Radio Network Controller) (among Fig. 2; The network node at Target cell place receives the information that UE reports), receive eNB/RNC that UE reports and can this reporting information be sent to and handle the RNC that UE reports.The eNB/RNC that receives the UE reporting information can be the eNB/RNC at Serving cell place in the UE record; Also can be the eNB/RNC at place, adjacent area in the UE record; When the RNC that handles the UE reporting information carries out neighboring BS relationship when safeguarding in this locality, need whether Serving cell and adjacent area allow to be configured to syntople in the judgement UE record.How to stride eNB/RNC and obtain neighboring BS relationship indication and realize that the adjacent area finds automatically and safeguard, make that neighboring BS information can correct handling at network side, present agreement and prior art scheme do not relate to as yet.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of neighbor relationship management method and device of across a network node, can realize the automatic maintenance of the neighboring BS relationship of across a network node.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of neighbor relationship management method of across a network node comprises:
After first network node obtained the adjacent area recorded information that UE reports, second network node under the adjacent area of the said first network node affiliated subdistrict sent neighboring BS information and obtains request;
Said second network node sends the neighboring BS information response message to said first network node, wherein, comprises the neighboring BS relationship indication information in the said neighboring BS information response message;
Said first network node carries out the neighboring BS relationship management according to said neighboring BS relationship indication information.
Preferably, said first network node obtains the adjacent area recorded information that UE reports and is:
Said UE carries out cell measurement; The neighboring BS information and the said service cell information of detected Serving cell are encapsulated as the adjacent area recorded information; Directly send to said first network node, or send to network side, send to said first network node by network side.
Preferably, when said first network node was the network node under the Serving cell, after said first network node obtained the adjacent area recorded information that UE reports, second network node in the recorded information of said adjacent area under each adjacent area sent neighboring BS information and obtains request; Wherein, said neighboring BS information obtains neighboring BS information in the identification information that comprises said Serving cell in the request and the said adjacent area recorded information.
Preferably, said neighboring BS relationship indication information is following information: the Serving cell in the adjacent area the recorded information whether adjacent area in the indication UE reporting neighboring cell recorded information reports with UE in said second network node is configured to neighboring BS relationship.
Preferably, said first network node is in the recorded information of adjacent area during the network node under each adjacent area, and after said first network node obtained the adjacent area recorded information that UE reports, second network node under said Serving cell sent neighboring BS information and obtains request; Wherein, said neighboring BS information obtains service cell information in the identification information that comprises adjacent area under the current network node in the request and the said adjacent area recorded information.
Preferably, said neighboring BS relationship indication information is following information: the adjacent area in the adjacent area the recorded information whether Serving cell in the adjacent area recorded information that reports of indication UE reports with UE in said second network node has been configured to neighboring BS relationship.
Preferably, said identification information comprises the overall identification information of sub-district; Said cell information comprises the frequency point information of sub-district, the physical label information of sub-district.
Preferably, said first network node carries out neighboring BS relationship management according to said neighboring BS relationship indication information and is:
If when having the adjacent area of said Serving cell or said Serving cell in the Neighboring Cell List of said second network node, add in the Neighboring Cell List of self adjacent area of said Serving cell of said first network node or said Serving cell; Perhaps, when the adjacent area that said first network node is confirmed said Serving cell or said Serving cell and self sub-district do not have the adjacent area and conflict, it is added in the Neighboring Cell List of self;
If the adjacent area of not depositing said Serving cell or said Serving cell in the Neighboring Cell List of said second network node, said first network node adds the judgement principle according to the adjacent area and carries out the adjacent area affirmation, does not add when unsuccessful, adds during success.
Preferably, in UMTS UMTS, said network node is a radio network controller (RNC);
In Long Term Evolution LTE system, said network node is eNB.
A kind of neighboring BS relationship management devices of across a network node is applied in the wireless communication system; Said device comprises the detecting unit be located among the UE, reports the unit, is located at acquiring unit, first transmitting element and administrative unit in first network node of wireless communication system, is located at second transmitting element in second network node, wherein,
Detecting unit is used to detect the neighboring BS information of current service cell;
Report the unit, neighboring BS information and the said service cell information that is used for detected Serving cell is encapsulated as the adjacent area recorded information and reports;
Acquiring unit is used to obtain said adjacent area recorded information, and triggers first transmitting element;
First transmitting element, the network node transmission neighboring BS information that is used under the adjacent area of said network node affiliated subdistrict obtains request;
Second transmitting element is used for sending the neighboring BS information response message to said network node, wherein, comprises the neighboring BS relationship indication information in the said neighboring BS information response message;
Administrative unit is used for carrying out the neighboring BS relationship management according to said neighboring BS relationship indication information.
Preferably, the said unit that reports further directly reports said network node with the adjacent area recorded information, or reports network side, sends to said network node by network side.
Preferably, said acquiring unit is located in the network node under the said Serving cell, and said neighboring BS information obtains neighboring BS information in the identification information that comprises said Serving cell in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the Serving cell in the adjacent area the recorded information whether adjacent area in the indication UE reporting neighboring cell recorded information reports with UE in said second network node is configured to neighboring BS relationship.
Preferably, said acquiring unit is located in the network node under each adjacent area in the recorded information of said adjacent area; Said neighboring BS information obtains service cell information in the identification information that comprises adjacent area under the current network node in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the adjacent area in the adjacent area the recorded information whether Serving cell in the adjacent area recorded information that reports of indication UE reports with UE in said second network node has been configured to neighboring BS relationship.
Preferably; Said administrative unit; When further in the Neighboring Cell List of said second network node, having the adjacent area of said Serving cell or said Serving cell, the adjacent area of said Serving cell or said Serving cell is added in the Neighboring Cell List of said first network node; Perhaps, when the adjacent area of further confirming said Serving cell or said Serving cell and the sub-district of said first network node do not have the adjacent area and conflict, it is added in the Neighboring Cell List of said first network node;
When in the Neighboring Cell List of said second network node, not having the adjacent area of said Serving cell or said Serving cell; Add the judgement principle according to the adjacent area and carry out the adjacent area affirmation; During success confirmation it is added to the Neighboring Cell List of said first network node, do not add during success confirmation.
Preferably, in UMTS, said network node is RNC;
In the LTE system, said network node is eNB.
Among the present invention; After UE realizes cell measurement; Can the neighboring BS information of current measured Serving cell and the information of Serving cell be reported to the network node that network side has the adjacent area managerial ability as the adjacent area recorded information; Concrete, corresponding network node can be directly reported and also network side can be reported to earlier, by network side the adjacent area recorded information is transmitted to corresponding network node again.Like this; The network node that receives the adjacent area recorded information will be according to cell information wherein; Send neighboring BS information and obtain request to having network node under other sub-districts of neighboring BS relationship with self sub-district; Confirming whether other network nodes add the sub-district under self in the Neighboring Cell List of these other network nodes to, thereby self Neighboring Cell List is carried out corresponding management.The present invention has realized the Neighboring Cell List management of across a network node according to the cell measurement results of UE; The Neighboring Cell List of safeguarding according to technical scheme of the present invention; Have quite high accuracy rate, more help the handover operation that network side carries out UE, guaranteed that network provides professional continuity.
Description of drawings
Fig. 1 is the configuration diagram of MDT;
Fig. 2 realizes automatic adjacent section information reporting flow chart for utilizing MDT to measure;
Fig. 3 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention one;
Fig. 4 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention two;
Fig. 5 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention three;
Fig. 6 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention four;
Fig. 7 is the composition structural representation of the neighboring BS relationship management devices of across a network node of the present invention.
Embodiment
Basic thought of the present invention does; After UE realizes cell measurement; Can the neighboring BS information of current measured Serving cell and the information of Serving cell be reported to the network node that network side has the adjacent area managerial ability as the adjacent area recorded information, concrete, can directly report corresponding network node; Also can report to network side earlier, by network side the adjacent area recorded information is transmitted to corresponding network node again.The network node that receives the adjacent area recorded information will be according to cell information wherein; Send neighboring BS information and obtain request to having network node under other sub-districts of neighboring BS relationship with self sub-district; Confirming whether other network nodes add the sub-district under self in the Neighboring Cell List of these other network nodes to, thereby self Neighboring Cell List is carried out corresponding management.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Embodiment one
Fig. 3 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention one, and as shown in Figure 3, the neighbor relationship management method of the across a network node of this example specifically may further comprise the steps:
Step 301, network side receive the adjacent area recorded information that UE reports, wherein, and the information of current service cell and the information that detects the adjacent area of Serving cell when comprising cell measurement in the adjacent area recorded information that UE reports.Be convenient and describe, the adjacent area recorded information that here UE is reported be described as for example Log record1: (Scell1, Ncell2); , wherein Scell1 belongs to RNC1, and Ncell2 belongs to RNC2.Network side obtains Serving cell Scell1 information in the recorded information of adjacent area, and adjacent area Ncell2 information relevant with this Serving cell in the recorded information of adjacent area is sent to RNC1 (neighboring BS information etc. that also is about to Serving cell and this Serving cell sends to RNC1).
Those skilled in the art are to be understood that; UE can carry out nearby region measurement after the cell measurement indication that receives network side; Also can initiate measurement, after accomplishing corresponding cell measurement, with detected reporting district information to network side or corresponding network node by self to neighboring BS information.In this example, be that the adjacent area recorded information is reported network side.Concrete, in UMTS, above-mentioned network node is RNC; In the LTE system, said network node is eNB.After state embodiment and describe no longer one by one.
Among the present invention, include the identification information of sub-district, the information such as frequency point information of sub-district in the cell information; Said identification information comprises the overall identification information of sub-district, the physical label information of sub-district etc.; The frequency point information of sub-district is the frequency point information of the working carrier frequency of sub-district.
Step 302 after RNC1 receives above-mentioned neighboring BS information, is carried out the management of local adjacent area.RNC1 gets access to the network node RNC2 identification information at corresponding detected adjacent area Ncell2 place in the recorded information of UE adjacent area, such as using RNC2 ID (like the hardware unique identification or the network address etc.) to discern.RNC1 sends neighboring BS information to the network node RNC2 at the place, adjacent area of Serving cell and obtains request; The identification information that wherein comprises current service cell Scell1 is as comprise the sub-district global identifier of Scell1 at least; And adjacent area Ncell2 information in the adjacent area recorded information that reports of UE, as comprising the information such as global identifier of Ncell2 at least.
Step 303 after RNC2 receives that neighboring BS information obtains request, is sent the neighboring BS information response message and is given RNC1.(configuration information is meant the needed cell attribute information of neighboring BS relationship of safeguarding here the configuration information of this locality except comprising adjacent area Ncell2 in this neighboring BS information response message; Like information such as carrier frequency, cell IDs); Also need carry the neighboring BS relationship indication information, the Scell1 that just indicates Ncell2 that UE reports under RNC2, whether to report with UE has been configured to neighboring BS relationship.This indication information can represent that promptly TRUE representes to be configured to neighboring BS relationship with Boolean, and FALSE representes not to be configured to neighboring BS relationship.
Step 304 after RNC1 obtains this neighboring BS information response message, is carried out local neighboring BS relationship maintenance and management through the neighboring BS relationship indication information.Such as; If the indication that obtains is TRUE; Can be the adjacent area of Scell1 directly then at this Ncell2 of the local interpolation of RNC1; Here also can combine whether to have in the NMS relation of forbidding further to determine whether to add, when even nothing is forbidden in the NMS Ncell2 is added to the adjacent area of Scell1, and the adjacent area that Ncell2 is not added to Scell1 when forbidding is arranged.If FALSE then can adjudicate principle according to other and determine whether that needs offer the adjacent area that this adjacent area of last decision-making Ncell2 is configured to Scell1 on carrying out repeatedly.Among the present invention, network node carries out the adjacent area management according to the judgement principle of self configuration, specifically can have different algorithms to realize.When surpassing certain thresholding, it is added to the adjacent area of network node through current reporting neighboring cell number of times; Perhaps; Through with oam (OAM) system of network side realize adjacent area interpolation etc. alternately, promptly add the foundation of adjacent area, concrete configuration mode as network node according to the OAM relevant configuration of network side; There is different strategies in different operators; Here repeat no more, it will be appreciated by those skilled in the art that this adjacent area addition manner is to realize easily.Adjacent area of the present invention way to manage is equally applicable to following embodiment.The management of adjacent area is a prior art under the situation of FALSE, and the present invention will repeat no more, and it realizes details.
In this example; Neighboring BS relationship indication information (being carried in the neighboring BS information response message) can transmit by the direct interface between network node; As in the UMTS network; The interface of transmission neighboring BS relationship indication information is the Iur interface between the RNC, and in the LTE network, the interface of transmission neighboring BS relationship indication information is the X2 interface between the eNB.If there is not direct interface,, in the LTE network, transmit through the S1 interface between eNB and the MME can in the UMTS network, transmitting through the core net transmission between network node through the Iu interface between RNC and the CN.
Fig. 4 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention two, and as shown in Figure 4, the neighbor relationship management method of the across a network node of this example specifically may further comprise the steps:
Step 401, network side receive the adjacent area recorded information that UE reports, wherein, and the information of the adjacent area of the information of Serving cell and detected Serving cell when comprising cell measurement in the adjacent area recorded information that UE reports.Be convenient and describe, the adjacent area recorded information that here UE is reported be described as for example Log record1: (Scell1, Ncell2); , wherein Scell1 belongs to eNB1, and Ncell2 belongs to eNB2.Obtain Serving cell Scell1 information in the recorded information of adjacent area, adjacent area Ncell2 information relevant with this Serving cell in the recorded information of adjacent area is sent to eNB1.
Step 402 after eNB1 receives above-mentioned neighboring BS information, is carried out the management of local adjacent area.ENB1 gets access to the network node eNB2 identification information at corresponding detected adjacent area Ncell2 place in the adjacent area recorded information of UE, such as discerning with eNB2 ID.ENB1 sends neighboring BS information to the network node eNB2 at the place, adjacent area of Serving cell and obtains request; The identification information that wherein comprises current service cell Scell1 is as comprise the sub-district global identifier of Scell1 at least; And adjacent area Ncell2 information in the adjacent area recorded information that reports of UE, as comprising the information such as global identifier of Ncell2 at least.
Step 403 after eNB2 receives request, is sent the neighboring BS information response message and is given eNB1.In this adjacent area response message except comprising adjacent area Ncell2 (configuration information is meant the needed cell attribute information of neighboring BS relationship of safeguarding) the configuration information of this locality here; Also need carry the neighboring BS relationship indication information, the Scell1 that just indicates Ncell2 that UE reports under eNB2, whether to report with UE has been configured to neighboring BS relationship.This indication information can represent that promptly TRUE representes to be configured to neighboring BS relationship with Boolean, and FALSE representes not to be configured to neighboring BS relationship.
Step 404 after eNB1 obtains this response message, is carried out local neighboring BS relationship maintenance and management through the neighboring BS relationship indication information.If such as the indication that obtains is TRUE; Can be the adjacent area of Scell1 directly then at this Ncell2 of the local interpolation of eNB1; Here also can combine whether to have in the NMS relation of forbidding further to determine whether to add; When even nothing is forbidden in the NMS Ncell2 is added to the adjacent area of Scell1, and the adjacent area that Ncell2 is not added to Scell1 when forbidding is arranged.If FALSE then can adjudicate principle according to other and determine whether that needs offer the adjacent area that this adjacent area of last decision-making Ncell2 is configured to Scell1 on carrying out repeatedly.For the management of adjacent area under the situation of FALSE is a prior art, the present invention will repeat no more, and it realizes details.
In this example; Neighboring BS relationship indication information (being carried in the neighboring BS information response message) can transmit by the direct interface between network node; As in the UMTS network; The interface of transmission neighboring BS relationship indication information is the Iur interface between the RNC, and in the LTE network, the interface of transmission neighboring BS relationship indication information is the X2 interface between the eNB.If there is not direct interface,, in the LTE network, transmit through the S1 interface between eNB and the MME can in the UMTS network, transmitting through the core net transmission between network node through the Iu interface between RNC and the CN.
Fig. 5 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention three, and as shown in Figure 5, the neighbor relationship management method of the across a network node of this example specifically may further comprise the steps:
Step 501, network side receive the adjacent area recorded information that UE reports, wherein, and the information of the adjacent area of the information of Serving cell and detected Serving cell when comprising cell measurement in the adjacent area recorded information that UE reports.Be convenient and describe, the adjacent area recorded information that here UE is reported be described as for example Log record1: (Scell1, Ncell2); , wherein Scell1 belongs to RNC1, and Ncell2 belongs to RNC2.Obtain Serving cell Ncell2 information in the recorded information of adjacent area, Serving cell Scell1 information relevant with this adjacent area in the recorded information of adjacent area is sent to RNC2.
Step 502 after RNC2 receives above-mentioned neighboring BS information (also can directly be reported by UE and directly obtain), is carried out the management of local adjacent area.RNC2 gets access to the network node RNC1 identification information at the Serving cell Scell1 place of corresponding record in the adjacent area recorded information of UE, such as discerning with RNC1 ID.RNC2 sends neighboring BS information to RNC1 and obtains request, and the identification information that wherein comprises Ncell2 is as comprising the sub-district global identifier of Ncell2 at least, and Scell1 information, as comprising the information such as sub-district global identifier of Scell1 at least.
Step 503 after RNC1 receives request, is sent the neighboring BS information response message and is given RNC2.In this adjacent area response message except comprising Scell1 (configuration information is meant the needed cell attribute information of neighboring BS relationship of safeguarding) the configuration information of this locality here; Also need carry the neighboring BS relationship indication information, the Ncell2 that just indicates Scell1 that UE reports under RNC1, whether to report with UE has been configured to neighboring BS relationship.This indication information can represent that TRUE representes to be configured to neighboring BS relationship with Boolean, and FALSE representes not to be configured to neighboring BS relationship.
Step 504 after RNC2 obtains this response message, is carried out local neighboring BS relationship maintenance and management through the neighboring BS relationship indication information.If such as the indication that obtains is TRUE; The Scell1 that then can directly report at this UE of the local interpolation of RNC2 is the adjacent area of Ncell2; Here also can combine whether to have in the NMS relation of forbidding further to determine whether to add; When even nothing is forbidden in the NMS Scell1 is added to the adjacent area of Ncell2, and the Ncell2 adjacent area that Scell1 is not added to when forbidding is arranged.If FALSE then can adjudicate principle according to other and determine whether that needs offer the adjacent area of the local Ncell2 that this adjacent area of last decision-making Scell1 is configured on carrying out repeatedly.For the management of adjacent area under the situation of FALSE is a prior art, the present invention will repeat no more, and it realizes details.
In this example; Neighboring BS relationship indication information (being carried in the neighboring BS information response message) can transmit by the direct interface between network node; As in the UMTS network; The interface of transmission neighboring BS relationship indication information is the Iur interface between the RNC, and in the LTE network, the interface of transmission neighboring BS relationship indication information is the X2 interface between the eNB.If there is not direct interface,, in the LTE network, transmit through the S1 interface between eNB and the MME can in the UMTS network, transmitting through the core net transmission between network node through the Iu interface between RNC and the CN.
Fig. 6 is the flow chart of neighbor relationship management method of the across a network node of the embodiment of the invention three, and as shown in Figure 6, the neighbor relationship management method of the across a network node of this example specifically may further comprise the steps:
Step 601, network side receive the adjacent area recorded information that UE reports, wherein, and the information of the adjacent area of the information of Serving cell and detected Serving cell when comprising cell measurement in the adjacent area recorded information that UE reports.Be convenient and describe, the adjacent area recorded information that here UE is reported be described as for example Log record1: (Scell1, Ncell2); , wherein Scell1 belongs to eNB1, and Ncell2 belongs to eNB2.Obtain Serving cell Ncell2 information in the recorded information of adjacent area, Serving cell Scell1 information relevant with this adjacent area in the recorded information of adjacent area is sent to eNB2.
Step 602, eNB2 receives (also can directly be reported by UE and obtain) behind the above-mentioned neighboring BS information, carries out the management of local adjacent area.ENB2 gets access to the network node eNB1 identification information at the Serving cell Scell1 place of corresponding record in the adjacent area recorded information of UE, such as discerning with eNB1 ID.ENB2 sends neighboring BS information to eNB1 and obtains request, and the identification information that wherein comprises Ncell2 is as comprising the sub-district global identifier of Ncell2 at least, and Scell1 information, as comprising the information such as sub-district global identifier of Scell1 at least.
Step 603 after eNB1 receives request, is sent the neighboring BS information response message and is given eNB2.In this neighboring BS information response message except comprising Scell1 (configuration information is meant the needed cell attribute information of neighboring BS relationship of safeguarding) the configuration information of this locality here; Also need carry the neighboring BS relationship indication information, the Ncell2 that just indicates Scell1 that UE reports under eNB1, whether to report with UE has been configured to neighboring BS relationship.This indication information can represent that TRUE representes to be configured to neighboring BS relationship with Boolean, and FALSE is not for being configured to neighboring BS relationship.
Step 604 after eNB2 obtains this response message, is carried out local neighboring BS relationship maintenance and management through the neighboring BS relationship indication information.If such as the indication that obtains is TRUE; The Scell1 that then can directly report at this UE of the local interpolation of eNB2 is the adjacent area of Ncell2; Here also can combine whether to have in the NMS relation of forbidding further to determine whether to add; When even nothing is forbidden in the NMS Scell1 is added to the adjacent area of Ncell2, and the Ncell2 adjacent area that Scell1 is not added to when forbidding is arranged.If FALSE then can adjudicate principle according to other and determine whether that needs offer the adjacent area of the local Ncell2 that this adjacent area of last decision-making Scell1 is configured on carrying out repeatedly.For the management of adjacent area under the situation of FALSE is a prior art, the present invention will repeat no more, and it realizes details.
In this example; Neighboring BS relationship indication information (being carried in the neighboring BS information response message) can transmit by the direct interface between network node; As in the UMTS network; The interface of transmission neighboring BS relationship indication information is the Iur interface between the RNC, and in the LTE network, the interface of transmission neighboring BS relationship indication information is the X2 interface between the eNB.If there is not direct interface,, in the LTE network, transmit through the S1 interface between eNB and the MME can in the UMTS network, transmitting through the core net transmission between network node through the Iu interface between RNC and the CN.
Fig. 7 is the composition structural representation of the neighboring BS relationship management devices of across a network node of the present invention, and as shown in Figure 7, the neighboring BS relationship management devices of across a network node of the present invention specifically is applied in the wireless communication system; Said device comprises the detecting unit 70 be located among the UE, reports unit 71, is located at acquiring unit 72, first transmitting element 73 and administrative unit 74 in first network node of wireless communication system, is located at second transmitting element 75 in second network node, wherein,
Detecting unit 70 is used to detect the neighboring BS information of current service cell;
Report unit 71, neighboring BS information and the said service cell information that is used for detected Serving cell is encapsulated as the adjacent area recorded information and reports;
Acquiring unit 72 is used to obtain said adjacent area recorded information, and triggers first transmitting element 73;
First transmitting element 73, the network node transmission neighboring BS information that is used under the adjacent area of said network node affiliated subdistrict obtains request;
Second transmitting element 75 is used for sending the neighboring BS information response message to said network node, wherein, comprises the neighboring BS relationship indication information in the said neighboring BS information response message;
Administrative unit 74 is used for carrying out the neighboring BS relationship management according to said neighboring BS relationship indication information.
The above-mentioned unit 71 that reports further directly reports said network node with the adjacent area recorded information, or reports network side, sends to said network node by network side.
Above-mentioned acquiring unit 72 is located in the network node under the said Serving cell, and said neighboring BS information obtains neighboring BS information in the identification information that comprises said Serving cell in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the Serving cell in the adjacent area the recorded information whether adjacent area in the indication UE reporting neighboring cell recorded information reports with UE in said second network node is configured to neighboring BS relationship.
Perhaps, above-mentioned acquiring unit 72 is located in the network node under each adjacent area in the recorded information of said adjacent area; Said neighboring BS information obtains service cell information in the identification information that comprises adjacent area under the current network node in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the adjacent area in the adjacent area the recorded information whether Serving cell in the adjacent area recorded information that reports of indication UE reports with UE in said second network node has been configured to neighboring BS relationship.
Above-mentioned administrative unit 74; When further in the Neighboring Cell List of said second network node, having the adjacent area of said Serving cell or said Serving cell, the adjacent area of said Serving cell or said Serving cell is added in the Neighboring Cell List of said first network node; Perhaps, when the adjacent area of further confirming said Serving cell or said Serving cell and the sub-district of said first network node do not have the adjacent area and conflict, it is added in the Neighboring Cell List of said first network node;
When in the Neighboring Cell List of said second network node, not having the adjacent area of said Serving cell or said Serving cell; Add the judgement principle according to the adjacent area and carry out the adjacent area affirmation; During success confirmation it is added to the Neighboring Cell List of said first network node, do not add during success confirmation.
In UMTS, said network node is RNC; In the LTE system, said network node is eNB.
Those skilled in the art are to be understood that; The neighboring BS relationship management devices of the across a network node that the present invention is shown in Figure 7 is to design for the neighbor relationship management method of realizing aforesaid across a network node of the present invention; The realization function of above-mentioned each processing unit can be with reference to the associated description of preceding method and is understood, and specifically can understand referring to the description of previous embodiment one to embodiment four.The function of each processing unit among the figure can realize through the program that runs on the processor, also can realize through concrete logical circuit.Wherein, network element and the annexation between these network elements under the above-mentioned processing unit are all identical with the existing network system, and different is, the function that these network elements are realized has certain difference, its differential section, and preceding text are described in detail.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (15)
1. the neighbor relationship management method of an across a network node is characterized in that, said method comprises:
After first network node obtained the adjacent area recorded information of reported by user equipment UE, second network node under the adjacent area of the said first network node affiliated subdistrict sent neighboring BS information and obtains request;
Said second network node sends the neighboring BS information response message to said first network node, wherein, comprises the neighboring BS relationship indication information in the said neighboring BS information response message;
Said first network node carries out the neighboring BS relationship management according to said neighboring BS relationship indication information.
2. method according to claim 1 is characterized in that, said first network node obtains the adjacent area recorded information that UE reports and is:
Said UE carries out cell measurement; The neighboring BS information and the said service cell information of detected Serving cell are encapsulated as the adjacent area recorded information; Directly send to said first network node, or send to network side, send to said first network node by network side.
3. method according to claim 2; It is characterized in that; When said first network node is the network node under the Serving cell; After said first network node obtained the adjacent area recorded information that UE reports, second network node in the recorded information of said adjacent area under each adjacent area sent neighboring BS information and obtains request; Wherein, said neighboring BS information obtains neighboring BS information in the identification information that comprises said Serving cell in the request and the said adjacent area recorded information.
4. method according to claim 3; It is characterized in that said neighboring BS relationship indication information is following information: the Serving cell in the adjacent area the recorded information whether adjacent area in the indication UE reporting neighboring cell recorded information reports with UE in said second network node is configured to neighboring BS relationship.
5. method according to claim 2; It is characterized in that; Said first network node is in the recorded information of adjacent area during the network node under each adjacent area; After said first network node obtained the adjacent area recorded information that UE reports, second network node under said Serving cell sent neighboring BS information and obtains request; Wherein, said neighboring BS information obtains service cell information in the identification information that comprises adjacent area under the current network node in the request and the said adjacent area recorded information.
6. method according to claim 5; It is characterized in that said neighboring BS relationship indication information is following information: the adjacent area in the adjacent area the recorded information whether Serving cell in the adjacent area recorded information that reports of indication UE reports with UE in said second network node has been configured to neighboring BS relationship.
7. according to each described method of claim 3 to 6, it is characterized in that said identification information comprises the overall identification information of sub-district; Said cell information comprises the frequency point information of sub-district, the physical label information of sub-district.
8. method according to claim 7 is characterized in that, said first network node carries out the neighboring BS relationship management according to said neighboring BS relationship indication information and is:
If when having the adjacent area of said Serving cell or said Serving cell in the Neighboring Cell List of said second network node, add in the Neighboring Cell List of self adjacent area of said Serving cell of said first network node or said Serving cell; Perhaps, when the adjacent area that said first network node is confirmed said Serving cell or said Serving cell and self sub-district do not have the adjacent area and conflict, it is added in the Neighboring Cell List of self;
If the adjacent area of not depositing said Serving cell or said Serving cell in the Neighboring Cell List of said second network node, said first network node adds the judgement principle according to the adjacent area and carries out the adjacent area affirmation, does not add when unsuccessful, adds during success.
9. method according to claim 2 is characterized in that, in UMTS UMTS, said network node is a radio network controller (RNC);
In Long Term Evolution LTE system, said network node is a base station eNB.
10. the neighboring BS relationship management devices of an across a network node is applied in the wireless communication system; It is characterized in that said device comprises the detecting unit be located among the UE, reports the unit, be located at acquiring unit, first transmitting element and administrative unit in first network node of wireless communication system, be located at second transmitting element in second network node, wherein,
Detecting unit is used to detect the neighboring BS information of current service cell;
Report the unit, neighboring BS information and the said service cell information that is used for detected Serving cell is encapsulated as the adjacent area recorded information and reports;
Acquiring unit is used to obtain said adjacent area recorded information, and triggers first transmitting element;
First transmitting element, the network node transmission neighboring BS information that is used under the adjacent area of said network node affiliated subdistrict obtains request;
Second transmitting element is used for sending the neighboring BS information response message to said network node, wherein, comprises the neighboring BS relationship indication information in the said neighboring BS information response message;
Administrative unit is used for carrying out the neighboring BS relationship management according to said neighboring BS relationship indication information.
11. device according to claim 10 is characterized in that, the said unit that reports further directly reports said network node with the adjacent area recorded information, or reports network side, sends to said network node by network side.
12. device according to claim 10; It is characterized in that; Said acquiring unit is located in the network node under the said Serving cell, and said neighboring BS information obtains neighboring BS information in the identification information that comprises said Serving cell in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the Serving cell in the adjacent area the recorded information whether adjacent area in the indication UE reporting neighboring cell recorded information reports with UE in said second network node is configured to neighboring BS relationship.
13. device according to claim 10 is characterized in that, said acquiring unit is located in the network node under each adjacent area in the recorded information of said adjacent area; Said neighboring BS information obtains service cell information in the identification information that comprises adjacent area under the current network node in the request and the said adjacent area recorded information; Said neighboring BS relationship indication information is following information: the adjacent area in the adjacent area the recorded information whether Serving cell in the adjacent area recorded information that reports of indication UE reports with UE in said second network node has been configured to neighboring BS relationship.
14. according to claim 12 or 13 described devices; It is characterized in that; Said administrative unit; When further in the Neighboring Cell List of said second network node, having the adjacent area of said Serving cell or said Serving cell, the adjacent area of said Serving cell or said Serving cell is added in the Neighboring Cell List of said first network node; Perhaps, when the adjacent area of further confirming said Serving cell or said Serving cell and the sub-district of said first network node do not have the adjacent area and conflict, it is added in the Neighboring Cell List of said first network node;
When in the Neighboring Cell List of said second network node, not having the adjacent area of said Serving cell or said Serving cell; Add the judgement principle according to the adjacent area and carry out the adjacent area affirmation; During success confirmation it is added to the Neighboring Cell List of said first network node, do not add during success confirmation.
15. device according to claim 11 is characterized in that, in UMTS, said network node is RNC;
In the LTE system, said network node is eNB.
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