CN105592508A - Method and apparatus for establishing radio access network node adjacent cell relations - Google Patents
Method and apparatus for establishing radio access network node adjacent cell relations Download PDFInfo
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- CN105592508A CN105592508A CN201410596466.2A CN201410596466A CN105592508A CN 105592508 A CN105592508 A CN 105592508A CN 201410596466 A CN201410596466 A CN 201410596466A CN 105592508 A CN105592508 A CN 105592508A
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Abstract
The invention provides a method and apparatus for establishing radio access network node adjacent cell relations. The method comprises the following steps: a service radio access network node obtains a cell set of an adjacent radio access network node, wherein the cell set comprises cells associated with the adjacent radio access network node; and the cells in the cell set are configured as adjacent cells of the cells managed by the service radio access network node. By using the technical solution provided by the present invention, the technical problem is solved that there is no solution in related arts for automatic configuration of adjacent cell relations at a network side, it can be ensured that when terminals served by the radio access network node move between cells, the handover procedure can be smoothly implemented in order to maintain the links and service performance of the terminals, and thus overall network performance is improved.
Description
Technical field
The present invention relates to the communications field, especially relate to a kind of neighboring BS relationship method for building up and device of wireless access network node.
Background technology
According to prediction, in coming 10 years, wireless mobile portfolio is estimated the growth of thousands of times of appearance, and current based on macrocellCellular radio access network obviously cannot provide enough large capacity to meet so huge mobile service demand. At present, superDense network (UltraDenseNetwork, UDN) is thought to meet the main driving of so huge business demand by industry.
Super-intensive network is realized the growth of network capacity by increasing the deployment density of network node, by increasing wireless access networkThe deployment density of node (radioaccessnetworknode, RAN-node) realizes the growth of network capacity, and wireless accessThe distance that the intensive deployment of net node has furthered again between user and wireless access network node, this in-plant radio communication one sideFace can be guaranteed the high reliability of communication link, can also improve on the other hand the multiplexing efficiency of frequency spectrum in region, thereby can enterOne step improves network capacity. Meanwhile, the short-range communication between user and wireless access network node, makes millimeter wave passableIn super-intensive network, use, the abundant frequency resource of millimeter wave provides larger bandwidth for super-intensive network, from and enter oneStep has improved network capacity. Wireless access network node is that the Access Network that subscriber equipment can access network by wireless communication link is establishedStandby, such as base station (NodeB, eNB), low power nodes (LowPowerNode, LPN), access point (AccessPoint,Etc. AP) be all wireless access network node.
Super-intensive network can improve network capacity, and in improving network capacity, following network does not wish to increase network yetCapital expenditure (CapitalExpenditure, CAPEX) and operation expenditure (OperatingExpense, OPEX), this is justThe deployment that means super-intensive network need to reduce artificial plan, optimization and management, can according to network topology, network load,Business demand etc. in indoor, outdoor hot spot region or high traffic region complete flexible rapid deployment, and realize self-configuring,Self-optimizing, healing certainly. For maintaining the travelling performance of terminal in minizone, the self-configuring of network side neighboring BS relationship is that needs are separatedProblem certainly.
For the problems referred to above in correlation technique, there is no solution effectively.
Summary of the invention
In correlation technique, there is no the technical problems such as the solution of the automatic configuration of network side neighboring BS relationship, the invention providesA kind of neighboring BS relationship method for building up and device of wireless access network node, at least to solve the problems of the technologies described above.
According to one embodiment of present invention, provide a kind of neighboring BS relationship method for building up of wireless access network node, having comprised: clothesBusiness wireless access network node obtains the set of cells in abutting connection with wireless access network node, and wherein, this set of cells comprises and described neighbourConnect the community that wireless access network node is relevant; Be described service wireless access network node institute by the cell configuration in described set of cellsThe adjacent area of administration community.
Preferably, described set of cells comprise following one of at least: the described community of administering in abutting connection with wireless access network node,The described neighbor cell in abutting connection with wireless access network node, described all peripheral cells in abutting connection with wireless access network node; Wherein, instituteStating in abutting connection with the neighbor cell of wireless access network node is the described surrounding adjacent area that can listen in abutting connection with wireless access network node, described inRefer in abutting connection with all peripheral cells of wireless access network node as described owning in abutting connection with cell configuration that wireless access network node is administeredAdjacent area.
Preferably, the described neighbor cell in abutting connection with wireless access network node configures in the following manner: described in abutting connection with wireless accessIn the neighboring BS relationship configuration of net node jurisdiction district, be designated as neighbor cell.
Preferably, for each community in described set of cells, in described set of cells, also comprise community following at least itOne information: evolved UMTS land radio access web community global identifier (EvolvedUniversalMobileTelecommunicationSystemRadioAccessNetworkCellGlobalIdent ifier, referred to as ECGI), physics is littleDistrict mark (PhysicalCellIdentifier, referred to as PCI), Tracking Area Code (TrackingAreaCode, referred to as TAC),Public land mobile network (PublicLandMobileNetwork, referred to as PLMN) information.
Preferably, service wireless access network node obtain comprise in abutting connection with the set of cells of wireless access network node one of following: described inService wireless access network node is set up and is communicated by letter in abutting connection with wireless access network node with described by the communication interface between wireless access network nodeProcess; Obtain described set of cells by this communication process; Described service wireless access network node is by wireless access network nodeThe logic entity that possesses management function obtains described set of cells.
Preferably, the adjacent area that is described service community that wireless access network node is administered by the cell configuration in described set of cells alsoComprise one of following: be described service nothing by the cell configuration of administering in abutting connection with wireless access network node described in described set of cellsThe adjacent area of line access node; Configure described service by described in described set of cells in abutting connection with the neighbor cell of wireless access network nodeWireless access network node has the adjacent area of Serving cell under its command; By all weeks in abutting connection with wireless access network node described in described set of cellsEnclose community and be kept at this locality, as candidate adjacent, from described candidate adjacent, select community as described service according to preset rulesWireless access network node has the adjacent area of Serving cell under its command.
Preferably, described method also comprises one of following: described service wireless access network node listens to described service wireless accessThe neighbor cell of net node changes, and upgrades the neighboring BS relationship of described service wireless access network node, and by upgrade after described inThe neighboring BS relationship of service wireless access network node is notified to described in abutting connection with wireless access network node; Adjacency described in described set of cellsThe neighbor cell of wireless access network node changes, and describedly upgrades described set of cells in abutting connection with wireless access network node, and will be moreSet of cells after new is notified to described service wireless access network node.
Preferably, the set of cells after upgrading is notified to after described service wireless access network node, also comprised: described serviceWireless access network node receives the set of cells after described renewal, little according to after described renewal of described service wireless access network nodeLocal neighboring BS relationship is upgraded in district's set.
Preferably, while changing in abutting connection with the neighbor cell of wireless access network node described in described set of cells, described method alsoComprise: if the described neighbor cell in abutting connection with wireless access network node is the described adjacent area that has community in abutting connection with wireless access network node under its command,Described in corresponding modify, have the adjacent area attribute information of community under its command in abutting connection with wireless access network node; Save in abutting connection with wireless access network if describedThe neighbor cell of point is deleted from its neighboring BS relationship in abutting connection with wireless access network node, serves wireless access network node by described neighbourDelete from the neighboring BS relationship configuration of community the neighbor cell that connects wireless access network node.
According to another embodiment of the invention, provide a kind of neighboring BS relationship apparatus for establishing of wireless access network node, be applied toService wireless access network node, described device comprises:
Acquisition module, for obtaining the set of cells in abutting connection with wireless access network node, wherein, this set of cells comprises with describedIn abutting connection with the relevant community of wireless access network node;
Configuration module, for being described service community that wireless access network node is administered by the cell configuration of described set of cellsAdjacent area.
Preferably, the described set of cells that described acquisition module obtains comprise following one of at least:
The described community of administering in abutting connection with wireless access network node, the described neighbor cell in abutting connection with wireless access network node, described neighbourConnect all peripheral cells of wireless access network node, wherein, the described neighbor cell in abutting connection with wireless access network node comprises: described inThe surrounding adjacent area that can listen in abutting connection with wireless access network node, described all peripheral cells in abutting connection with wireless access network node refer toFor described in abutting connection with all adjacent areas of cell configuration that wireless access network node is administered.
Preferably, described configuration module, also for carrying out one of following layoutprocedure: by described in described set of cells in abutting connection with nothingThe cell configuration that line access node is administered is the adjacent area of described service wireless access network node; Described in described set of cellsConfigure described service wireless access network node in abutting connection with the neighbor cell of wireless access network node and have under its command the adjacent area of Serving cell; Described in inciting somebody to actionAll peripheral cells in abutting connection with wireless access network node described in set of cells are kept at this locality, as candidate adjacent, according to defaultRule selects community to have the adjacent area of Serving cell under its command as described service wireless access network node from described candidate adjacent.
By the present invention, adopt service wireless access network node to obtain the set of cells in abutting connection with wireless access network node, Bing Jiang communityCell configuration in set, for the technological means of the adjacent area of service community that wireless access network node is administered, has solved in correlation technique,There is no the technical problems such as the solution of the automatic configuration of network side neighboring BS relationship, thereby can ensure that wireless access network node takesWhen the terminal of business moves in minizone, can carry out smoothly changeover program, to maintain link and its service feature of terminal, thereby carryHigh overall network performance.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, of the present invention showingMeaning property embodiment and explanation thereof are used for explaining the present invention, do not form inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is according to the flow chart of the neighboring BS relationship method for building up of the wireless access network node of the embodiment of the present invention;
Fig. 2 is according to the structured flowchart of the neighboring BS relationship apparatus for establishing of the wireless access network node of the embodiment of the present invention;
Fig. 3 is the neighboring BS relationship method for building up flow chart according to the wireless access network node of the embodiment of the present invention one;
Fig. 4 is the neighboring BS relationship method for building up flow chart according to the wireless access network node of the embodiment of the present invention two;
Fig. 5 is the neighboring BS relationship method for building up flow chart according to the wireless access network node of the embodiment of the present invention three;
Fig. 6 is the neighboring BS relationship method for building up flow chart according to the wireless access network node of the embodiment of the present invention four.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments. It should be noted that, in the situation that not conflicting,Feature in embodiment and embodiment in the application can combine mutually.
In the scene distributing in high density community, because wireless access network node quantity is many, and can self-configuring, therefore,Automatic for Serving cell configuring adjacent cell is exactly a more urgent demand, and traditional method is to utilize subscriber equipment (UserEquipment, referred to as UE) detect peripheral cell and determine adjacent area. This mode need to all be divided in the outlying area of communityBe furnished with a lot of UE and measure, therefore, the process of adjacent area search is veryer long, the measurement of a lot of UE of this process need, byNot yet configure in adjacent area, also can affect conversely the normal handoff procedure of these UE. For solving the problems of the technologies described above, the present invention is realExecute example corresponding solution is provided, below describe in detail.
Fig. 1 is according to the flow chart of the neighboring BS relationship method for building up of the wireless access network node of the embodiment of the present invention. As shown in Figure 1,The method comprising the steps of S102-step S104:
Step S102, service wireless access network node obtains the set of cells in abutting connection with wireless access network node, wherein, this cell setClose and comprise to above-mentioned in abutting connection with the relevant community of wireless access network node;
Step S104, the adjacent area by the cell configuration in above-mentioned set of cells for above-mentioned service community that wireless access network node is administered.
By above-mentioned each treatment step, because service wireless access network node can obtain the community in abutting connection with wireless access network nodeSet, and by the cell configuration in this set of cells for service community that wireless access network node is administered adjacent area, therefore, realizationThe automatic configuration of network side neighboring BS relationship, the neighboring BS relationship of fundamentally having avoided utilizing subscriber equipment to set up community causesThe technical problems such as minizone handoff procedure is slower, thus can ensure that the terminal that wireless access network node is served moves in minizoneTime can carry out smoothly changeover program, to maintain the link of terminal and its service feature, thereby improved overall network performance.
In a preferred embodiment of the present embodiment, above-mentioned set of cells include but not limited to following one of at least: above-mentioned adjacencyThe community that wireless access network node is administered, the above-mentioned neighbor cell in abutting connection with wireless access network node, above-mentioned in abutting connection with wireless access networkAll peripheral cells of node, wherein, the above-mentioned neighbor cell in abutting connection with wireless access network node is above-mentionedly to save in abutting connection with wireless access networkThe surrounding adjacent area that point can listen to, above-mentioned all peripheral cells in abutting connection with wireless access network node refer to as above-mentioned in abutting connection with wireless interfaceAll adjacent areas of cell configuration that network access node is administered. Wherein, the above-mentioned neighbor cell in abutting connection with wireless access network node can be passed throughFollowing mode configures: in the above-mentioned configuration of the neighboring BS relationship in abutting connection with wireless access network node jurisdiction district, be designated as above-mentioned neighbor cell.
In a preferred implementation process of the present embodiment, for each community in above-mentioned set of cells, above-mentioned set of cellsIn also comprise community following one of at least information: evolved UMTS land radio access web community overall identificationIn the information such as symbol ECG, Physical Cell Identifier PCI, Tracking Area Code TAC, public land mobile network PLMN one orMultinomial.
The implementation of step S102 has multiple, and service wireless access network node can be directly from obtaining in abutting connection with wireless access network nodeAbove-mentioned set of cells, or indirectly obtain, for the former, can realize in the following manner, but be not limited to this: above-mentioned serviceWireless access network node is set up and was communicated by letter in abutting connection with wireless access network node with above-mentioned by the communication interface between wireless access network nodeJourney; Obtain above-mentioned set of cells by this communication process; For the latter, can realize in the following manner, but be not limited toThis: above-mentioned service wireless access network node obtains above-mentioned community by possessing the logic entity of management function in wireless access network nodeSet.
Certainly, in step S102, serving wireless access network node also can active request report above-mentioned little in abutting connection with wireless access network nodeDistrict's set, also can receive the above-mentioned set of cells in abutting connection with wireless access network node active reporting.
In step S104, can also be by above-mentioned cell configuration of administering in abutting connection with wireless access network node in above-mentioned set of cellsThe adjacent area of above-mentioned service wireless access network node; The above-mentioned neighbor cell in abutting connection with wireless access network node in above-mentioned set of cells is joinedBe set up and state service wireless access network node and have the adjacent area of Serving cell under its command; Save in abutting connection with wireless access network above-mentioned in above-mentioned set of cellsAll peripheral cells of point are kept at this locality, as candidate adjacent, select community to do according to preset rules from above-mentioned candidate adjacentFor above-mentioned service wireless access network node has the adjacent area of Serving cell under its command. Wherein, this preset rules can in preferred implementation processShow as certain algorithm or from candidate cell, select community as adjacent area with reference to some information.
Step S102 can also upgrade the neighboring BS relationship of service wireless access network node, in a preferred embodiment, and shouldRenewal process can realize by one of following mode:
(1) when the neighbor cell that listens to above-mentioned service wireless access network node at service wireless access network node changes, moreThe neighboring BS relationship of new above-mentioned service wireless access network node, and by the neighboring BS relationship of the above-mentioned service wireless access network node after upgradingNotify to above-mentioned in abutting connection with wireless access network node; By upgrade after set of cells notify to described service wireless access network node itAfter, service wireless access network node receive the set of cells after above-mentioned renewal, service wireless access network node according to upgrade after littleLocal neighboring BS relationship is upgraded in district's set.
(2) occur in abutting connection with the above-mentioned neighbor cell in abutting connection with wireless access network node in the set of cells of wireless access network node above-mentionedWhen variation, above-mentionedly upgrade above-mentioned set of cells in abutting connection with wireless access network node, and the set of cells after upgrading is notified to above-mentioned clothesBusiness wireless access network node.
While changing in abutting connection with the neighbor cell of wireless access network node in set of cells, if in abutting connection with wireless access network nodeNeighbor cell is the adjacent area that has community in abutting connection with wireless access network node under its command, and corresponding modify has community under its command in abutting connection with wireless access network nodeAdjacent area attribute information; If in abutting connection with the neighbor cell of wireless access network node by abutting connection with wireless access network node from its neighboring BS relationshipMiddle deletion, serve wireless access network node by the neighbor cell in abutting connection with wireless access network node from the neighboring BS relationship configuration of communityDelete.
In a preferred embodiment of the embodiment of the present invention, above-mentioned service wireless access network node can connect in the following mannerReceive the above-mentioned notification message in abutting connection with wireless access network node: (1) above-mentioned service wireless access network node passes through wireless access network nodeBetween communication interface and above-mentionedly set up communication process in abutting connection with wireless access network node; Receive above-mentioned notification message by this communication process;(2) service wireless access network node receives above-mentioned notice and disappears by possessing the logic entity of management function in wireless access network nodeBreath.
In the present embodiment, also provide a kind of neighboring BS relationship apparatus for establishing of wireless access network node, for realizing said method,This application of installation is in service wireless access network node, and as shown in Figure 2, this device comprises:
Acquisition module 20, for obtaining the set of cells in abutting connection with wireless access network node, wherein, this set of cells comprises with upperState the community relevant in abutting connection with wireless access network node;
Configuration module 22, is connected to acquisition module 20, for being above-mentioned service wireless interface by the cell configuration of above-mentioned set of cellsThe adjacent area of community that network access node is administered.
The function realizing by above-mentioned modules, can ensure that terminal that wireless access network node serves is in minizone equallyWhen mobile, can carry out smoothly changeover program, to maintain link and its service feature of terminal, thereby improve overall network performance.
In a preferred embodiment, the above-mentioned set of cells that acquisition module 20 obtains comprise following one of at least:
The above-mentioned community of administering in abutting connection with wireless access network node, the above-mentioned neighbor cell in abutting connection with wireless access network node, above-mentioned neighbourConnect all peripheral cells of wireless access network node, wherein, the above-mentioned neighbor cell in abutting connection with wireless access network node comprises: above-mentionedThe surrounding adjacent area that can listen in abutting connection with wireless access network node, above-mentioned all peripheral cells in abutting connection with wireless access network node refer toFor above-mentioned in abutting connection with all adjacent areas of cell configuration that wireless access network node is administered.
Configuration module 22, also for carrying out one of following layoutprocedure: save in abutting connection with wireless access network above-mentioned above-mentioned set of cellsThe cell configuration that point is administered is the adjacent area of above-mentioned service wireless access network node; By above-mentioned in abutting connection with wireless interface in above-mentioned set of cellsThe neighbor cell of network access node configures above-mentioned service wireless access network node and has under its command the adjacent area of Serving cell; By in above-mentioned set of cellsAbove-mentioned all peripheral cells in abutting connection with wireless access network node are kept at this locality, as candidate adjacent, according to preset rules from above-mentionedIn candidate adjacent, select community to have the adjacent area of Serving cell under its command as above-mentioned service wireless access network node.
It should be noted that, above-mentioned modules can be realized by software or hardware, for the latter, can by withLower mode realizes, but is not limited to this: acquisition module 20, be arranged in first processor, and configuration module 22, is positioned at the second processorIn; Or acquisition module 20 and configuration module 22 are arranged in same processor.
In order to understand better above-described embodiment, describe in detail below in conjunction with preferred embodiment. Mainly establishing of following preferred embodimentMeter thought is:
Service wireless access network node, obtains the information in abutting connection with wireless access network node around by the means of descending monitoring. ClothesThe request of business wireless access network node is gathered in abutting connection with wireless access network node reporting subdistrict.
The described set of cells in abutting connection with wireless access network node comprises the community of administering in abutting connection with wireless access network node, optional,Can also comprise the neighbor cell in abutting connection with wireless access network node, further, can also comprise in abutting connection with wireless access network nodeAll peripheral cells.
To survey the community that middle finger can detect in abutting connection with wireless access network node, neighbour in abutting connection with the neighbor cell of wireless access network nodeConnect wireless access network node and can detect neighbor cell by descending monitoring, and in neighborhood region correlation chart, mark is set, instruction shouldAdjacent area is neighbor cell.
Service wireless access network node gets the set of cells in abutting connection with wireless access network node, is adjacent area by cell configuration wherein,Further, can be neighbor cell by the cell configuration that has management under its command in abutting connection with wireless access network node detecting, and in adjacent areaMark is set in relation table, and indicating this adjacent area is neighbor cell.
Neighbor cell in abutting connection with wireless access network node changes, and notice is to service wireless access network node.
Service wireless access network node and in abutting connection with setting up DCL between wireless access network node, also can by bunchHead carries out the mutual of information. Described bunch of head, refers to the logic entity that possesses management function in one group of wireless access network node,For example can carry out the function such as resource management, interference management of wireless access network node, it may be physically a certain wireless accessNet node, or a network element independently.
Embodiment mono-: service wireless access network node directly obtains the set of cells in abutting connection with wireless access network node. As shown in Figure 3,The neighboring BS relationship method for building up of the wireless access network node that the present embodiment provides comprises following processing procedure:
1. service wireless access network node obtains in abutting connection with the signal of wireless access network node community or by other by descending monitoringSurvey the mode in abutting connection with wireless access network node community, can in different frequency ranges, detect, obtain in abutting connection with wireless access networkThe identification information of node and with set up communication link in abutting connection with wireless access network node.
The identification information that has community under its command, route that the described identification information in abutting connection with wireless access network node comprises wireless access network nodeIn the information such as the mark of information, tracking area information, PLMN information, cell type, cell size, wireless access network nodeOne or more, other be can also comprise and service wireless access network node and the direct communication chain in abutting connection with wireless access network node set upThe needed information in road.
Optionally, service wireless access network node can obtain by reading in abutting connection with forms such as the Cell Broadcast CBs of wireless access network nodeGet the identification information in abutting connection with wireless access network node.
Service wireless access network node by and obtain in abutting connection with wireless in abutting connection with the DCL between wireless access network nodeThe set of cells of access network node. Service wireless access network node by and set up direct communication in abutting connection with between wireless access network nodeLink, can adopt the various modes eating dishes without rice or wine to set up direct link.
By DCL, the request message 1 that set of cells is obtained in the transmission of service wireless access network node arrives in abutting connection with wireless interfaceNetwork access node, sends the response message 2 that carries set of cells to service wireless access network node in abutting connection with wireless access network node.
The described set of cells in abutting connection with wireless access network node comprises the community of administering in abutting connection with wireless access network node, optional,Can also comprise the neighbor cell in abutting connection with wireless access network node, further, can also comprise in abutting connection with wireless access network nodeAll peripheral cells. Further, can also comprise the neighboring BS relationship of the community of administering in abutting connection with wireless access network node.
Further, the described neighbor cell in abutting connection with wireless access network node refers to and can listen in abutting connection with wireless access network nodeAdjacent area around. Described all peripheral cells in abutting connection with wireless access network node refer to all adjacent areas that have cell configuration under its command.
Further, the described neighbor cell in abutting connection with wireless access network node can have community under its command in abutting connection with wireless access network nodeIn neighboring BS relationship configuration, be designated as neighbor cell.
Further, for each community in set of cells, the ECGI that comprises community (E-UTRANCellGlobalIdentifier,Cell Global Identity), PCI, TAC, PLMN, PRACHConfiguration, CSGID, that whether has opened community is energy-conservationOne or more in the information such as state, or also comprise the content of other configuring adjacent cell relation needs.
3. service wireless access network node is this service by the cell configuration of administering in abutting connection with wireless access network node in set of cellsWireless access network node has the adjacent area of community under its command, optional, can only select the super a certain setting thresholding of signal in abutting connection with wireless accessThe community that net node is administered, further, can be configured to neighbor cell.
Further, can have service under its command by configuring this service wireless access network node in abutting connection with the neighbor cell of wireless access network nodeThe adjacent area of community.
Further, optional, all peripheral cells in abutting connection with wireless access network node can also be kept to this locality, as timeSelect adjacent area, can screen some community as adjacent area according to certain algorithm or with reference to out of Memory therein, for example, by several neighboursThe common factor Zhong community that connects the adjacent area of wireless access network node has the adjacent area of Serving cell under its command as this service wireless access network node.Can also be used for other purposes, for example can be for the automatic selection of PCI.
Embodiment bis-: service wireless access network node obtains the set of cells in abutting connection with wireless access network node by bunch head. As Fig. 4Shown in, the neighboring BS relationship method for building up of the wireless access network node that the present embodiment provides comprises following processing procedure:
1. service wireless access network node obtains in abutting connection with the signal of wireless access network node or by other detection by descending monitoringIn abutting connection with the mode of wireless access network node community, can in different frequency ranges, detect, obtain in abutting connection with wireless access network nodeIdentification information.
The identification information that has community under its command, route that the described identification information in abutting connection with wireless access network node comprises wireless access network nodeIn the information such as the mark of information, tracking area information, PLMN information, cell type, cell size, wireless access network nodeOne or more, can also comprise other service wireless access network node can search out in abutting connection with wireless access network node by a bunch headNeeded information.
Optionally, service wireless access network node can obtain by reading in abutting connection with forms such as the Cell Broadcast CBs of wireless access network nodeGet the identification information in abutting connection with wireless access network node.
2. service wireless access network node sends the request message 3 that obtains set of cells to bunch head, in message 3, contains and need to obtainThe identification information in abutting connection with wireless access network node of set of cells. Bunch head according to the identification information in abutting connection with wireless access network node respectivelyObtain the set of cells in abutting connection with wireless access network node, bunch hair send that to carry the response message 4 of set of cells wireless to serviceAccess network node.
Further, each wireless access network node, after neighboring BS relationship is set up, is notified a bunch head by set of cells. Bunch head canPreservation has the set of cells of all wireless access network nodes under its command. The service wireless access network node of new access to a bunch acquisition request itsHe is in abutting connection with the set of cells of wireless access network node, and bunch head can directly obtain described set of cells and send to new access in this localityService wireless access network node.
The described set of cells in abutting connection with wireless access network node comprises the community of administering in abutting connection with wireless access network node, optional,Can also comprise the neighbor cell in abutting connection with wireless access network node, further, can also comprise in abutting connection with wireless access network nodeAll peripheral cells. Further, can also comprise the neighboring BS relationship of the community of administering in abutting connection with wireless access network node.
Further, the described neighbor cell in abutting connection with wireless access network node refers to and can listen in abutting connection with wireless access network nodeAdjacent area around. Described all peripheral cells in abutting connection with wireless access network node refer to all adjacent areas that have cell configuration under its command.
Further, the described neighbor cell in abutting connection with wireless access network node can have community under its command in abutting connection with wireless access network nodeIn neighboring BS relationship configuration, be designated as neighbor cell.
Further, for each community in set of cells, the ECGI that comprises community (E-UTRANCellGlobalIdentifier,Cell Global Identity), PCI (PhysicalCellID, Physical Cell Identifier), TAC (Traceareacode, tracing areaCode), the configuration of PLMN (PublicLandMobileNetwork, public land mobile network), Physical Random Access Channel(PhysicalRandomAccessChannelConfiguration, PRACHConfiguration), closed user group markWhether knowledge (ClosedSubscriberGroupidentity, CSGID), community have opened in the information such as power save modeOr multinomial, or also comprise the content of other configuring adjacent cell relation needs.
3. service wireless access network node is this service by the cell configuration of administering in abutting connection with wireless access network node in set of cellsWireless access network node has the adjacent area of community under its command, optional, can only select the super a certain setting thresholding of signal in abutting connection with wireless accessThe community that net node is administered, further, can be configured to neighbor cell.
Further, can have service under its command by configuring this service wireless access network node in abutting connection with the neighbor cell of wireless access network nodeThe adjacent area of community.
Further, optional, all peripheral cells in abutting connection with wireless access network node can also be kept to this locality, as timeSelect adjacent area, can screen some community as adjacent area according to certain algorithm or with reference to out of Memory therein, for example, by several neighboursThe common factor Zhong community that connects the adjacent area of wireless access network node has the adjacent area of Serving cell under its command as this service wireless access network node.Can also be used for other purposes, for example can be for the automatic selection of PCI.
Embodiment tri-: the maintenance of neighbour's neighboring BS relationship. The adjacent area of the wireless access network node that as shown in Figure 5, the present embodiment providesRelation establishing method comprises following processing procedure:
Service wireless access network node, by descending monitoring, finds can't detect a certain neighbor cell, or the Target cell of measuringSignal quality at certain section of time interval the threshold value lower than a certain setting, or to handoff failure number of times or the probability of this neighbor cellBe greater than a certain thresholding etc., can think that this Target cell is not suitable as neighbor cell, further, can be from neighboring BS relationshipIn configuration, delete this adjacent area. The descending monitoring behavior of service wireless access network node can be triggered by some reason, for example, serve nothingLine access node can, by switching statistical information, find not arrive in a certain long-time section the switching behavior of a certain Target cellRecord, can trigger the descending monitoring behavior to this Target cell.
Saving in abutting connection with wireless access network around service wireless access network node arrives the change notification of described neighbor cell neighboring BS relationshipPoint. Described neighbor cell packets of information containing the ECGI (E-UTRANCellGlobalIdentifier, Cell Global Identity) of community,PCI (PhysicalCellID, Physical Cell Identifier), TAC (Traceareacode, Tracking Area Code), PLMN (PublicLandMobileNetwork, public land mobile network), PRACHConfiguration (PhysicalRandomAccessChannelConfiguration, Physical Random Access Channel configuration) CSGID (ClosedSubscriberGroupidentity,Closed user group mark), whether community opened one or more in the information such as power save mode. Further, service wireless interfaceThe reason that network access node also changes described neighbor cell neighboring BS relationship notify around in abutting connection with wireless access network node, reason canBeing that wireless signal declines, handoff failure probability is excessive etc.
The change notification of described neighbor cell neighboring BS relationship is arrived bunch head by service wireless access network node. Described neighbor cell packets of informationContaining ECGI (E-UTRANCellGlobalIdentifier, Cell Global Identity), PCI (PhysicalCellID, the thing of communityReason cell ID), TAC (Traceareacode, Tracking Area Code), PLMN (PublicLandMobileNetwork,Public land mobile network), PRACHConfiguration (PhysicalRandomAccessChannelConfiguration, Physical Random Access Channel configuration) CSGID (ClosedSubscriberGroupidentity, sealingUser organizes mark), whether community opened one or more in the information such as power save mode. Bunch head can be preserved this neighboring BS relationshipChange, and notice is to relevant wireless access network node. Described relevant wireless access network node refers to joins described neighbor cellBe set to the wireless access network node of adjacent area.
Embodiment tetra-: the maintenance of common neighboring BS relationship. The adjacent area of the wireless access network node that as shown in Figure 6, the present embodiment providesRelation establishing method comprises following processing procedure:
Service wireless access network node is received around in abutting connection with the change of the neighbor cell information of wireless access network node, i.e. neighbor cellNeighbor cell information change. Described neighbor cell packets of information is containing the ECGI (E-UTRANCellGlobal of communityIdentifier, Cell Global Identity), PCI (PhysicalCellID, Physical Cell Identifier), TAC (Traceareacode,Tracking Area Code), PLMN (PublicLandMobileNetwork, public land mobile network) PRACHConfiguration(PhysicalRandomAccessChannelConfiguration, Physical Random Access Channel configuration) CSGIDWhether has opened in the information such as power save mode (ClosedSubscriberGroupidentity, closed user group mark), communityOne or more.
Service wireless access network node is received the change of bunch surrounding that hair send in abutting connection with the neighbor cell information of wireless access network node,The neighbor cell information that is neighbor cell changes. Described neighbor cell packets of information is containing the ECGI (E-UTRANCell of communityGlobalIdentifier, Cell Global Identity), PCI (PhysicalCellID, Physical Cell Identifier), TAC (TraceareaCode, Tracking Area Code), PLMN (PublicLandMobileNetwork, public land mobile network) PRACHConfiguration (PhysicalRandomAccessChannelConfiguration, Physical Random Access Channel configuration)Whether CSGID (ClosedSubscriberGroupidentity, closed user group mark), community have opened power save mode etc.One or more in information.
If described neighbor cell is the adjacent area that has community under its command, the attribute information of this adjacent area of corresponding modify, described attribute information comprisesThe cell information of adjacent area, for example comprise community ECGI (E-UTRANCellGlobalIdentifier, Cell Global Identity),PCI (PhysicalCellID, Physical Cell Identifier), TAC (Traceareacode, Tracking Area Code), PLMN (PublicLandMobileNetwork, public land mobile network), PRACHConfiguration (PhysicalRandomAccessChannelConfiguration, Physical Random Access Channel configuration) CSGID (ClosedSubscriberGroupidentity,Closed user group mark), whether community opened one or more in the information such as power save mode.
If the neighbor cell of neighbor cell is deleted from its neighboring BS relationship in abutting connection with wireless access network node, serve wireless access networkNode is deleted described neighbor cell from the neighboring BS relationship configuration of described community, and further, service line access network node canOperate with reference to the reason of it being deleted from neighboring BS relationship in abutting connection with wireless access network node.
In sum, the embodiment of the present invention has realized following beneficial effect: obtain in abutting connection with wireless by service wireless access network nodeThe cell set merging of access network node is configured to adjacent area, newly adds the service wireless access network node of network can set up fast neighbourCell relation, thus can ensure when served terminal moves in minizone to carry out smoothly changeover program, to maintain terminalLink and its service feature, thus overall network performance improved.
In another embodiment, also provide a kind of software, this software is used for carrying out above-described embodiment and preferred embodimentThe technical scheme of middle description.
In another embodiment, also provide a kind of storage medium, in this storage medium, stored above-mentioned software, this storageMedium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
Obviously, it is apparent to those skilled in the art that above-mentioned of the present invention each module or each step can be with general calculatingDevice is realized, and they can concentrate on single calculation element, or is distributed on the network that multiple calculation elements form,Alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in to storage deviceIn carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from hereinSuddenly, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into singleIntegrated circuit modules is realized. Like this, the present invention is not restricted to any specific hardware and software combination.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art,The present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement,Improve etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a neighboring BS relationship method for building up for wireless access network node, is characterized in that, comprising:
Service wireless access network node obtains the set of cells in abutting connection with wireless access network node, wherein, in this set of cells, wrapsDraw together to described in abutting connection with the relevant community of wireless access network node;
Adjacent area by the cell configuration in described set of cells for described service community that wireless access network node is administered.
2. method according to claim 1, is characterized in that, described set of cells comprise following one of at least:
The described community of administering in abutting connection with wireless access network node, the described neighbor cell in abutting connection with wireless access network node, instituteState all peripheral cells in abutting connection with wireless access network node; Wherein, the described neighbor cell in abutting connection with wireless access network node isThe described surrounding adjacent area that can listen in abutting connection with wireless access network node, described around wireless access network node allCommunity refers to as described in abutting connection with all adjacent areas of cell configuration that wireless access network node is administered.
3. method according to claim 2, is characterized in that, below the described neighbor cell in abutting connection with wireless access network node is passed throughMode configures:
In the described configuration of the neighboring BS relationship in abutting connection with wireless access network node jurisdiction district, be designated as neighbor cell.
4. method according to claim 1, is characterized in that, for each community in described set of cells, described communityFollowing one of at least information that also comprises community in set:
Evolved UMTS land radio access web community global identifier ECG, Physical Cell Identifier PCI,Tracking Area Code TAC, public land mobile network PLMN information.
5. method according to claim 1, is characterized in that, service wireless access network node obtains in abutting connection with wireless access network nodeSet of cells comprise one of following:
Described service wireless access network node is by the communication interface between wireless access network node and described in abutting connection with wireless access networkNode is set up communication process; Obtain described set of cells by this communication process;
Described service wireless access network node is by possessing in wireless access network node described in the logic entity of management function obtainsSet of cells.
6. method according to claim 1, is characterized in that, is that described service is wireless by the cell configuration in described set of cellsIt is one of following that the adjacent area of community that access network node is administered also comprises:
Be described service wireless access by the cell configuration of administering in abutting connection with wireless access network node described in described set of cellsThe adjacent area of net node;
Described service wireless access network joint will be configured in abutting connection with the neighbor cell of wireless access network node described in described set of cellsPoint has the adjacent area of Serving cell under its command;
All peripheral cells in abutting connection with wireless access network node described in described set of cells are kept to this locality, as candidateAdjacent area selects community to have service under its command as described service wireless access network node from described candidate adjacent according to preset rulesThe adjacent area of community.
7. according to the method described in any one in claim 2 to 6, it is characterized in that, it is one of following that described method also comprises:
The neighbor cell that described service wireless access network node listens to described service wireless access network node changes, moreThe neighboring BS relationship of new described service wireless access network node, and by the adjacent area of the described service wireless access network node after upgradingRelation is notified to described in abutting connection with wireless access network node;
Neighbor cell in abutting connection with wireless access network node described in described set of cells changes, described in abutting connection with wireless accessSet of cells described in net node updates, and the set of cells after upgrading is notified to described service wireless access network node.
8. method according to claim 7, is characterized in that, the set of cells after upgrading is notified to described service wireless accessAfter net node, also comprise:
Described service wireless access network node receives the set of cells after described renewal, described service wireless access network node rootUpgrade local neighboring BS relationship according to the set of cells after described renewal.
9. method according to claim 8, is characterized in that, near in abutting connection with wireless access network node described in described set of cellsWhen adjacent cell changes, described method also comprises:
If the described neighbor cell in abutting connection with wireless access network node is the described neighbour who has community in abutting connection with wireless access network node under its commandDistrict, has the adjacent area attribute information of community under its command in abutting connection with wireless access network node described in corresponding modify;
If the described neighbor cell in abutting connection with wireless access network node is deleted from its neighboring BS relationship in abutting connection with wireless access network nodeRemove, serve wireless access network node the described neighbor cell in abutting connection with wireless access network node is joined from the neighboring BS relationship of communityPut middle deletion.
10. a neighboring BS relationship apparatus for establishing for wireless access network node, is applied to service wireless access network node, it is characterized in that,Comprise:
Acquisition module, for obtaining the set of cells in abutting connection with wireless access network node, wherein, this set of cells comprise withDescribed in abutting connection with the relevant community of wireless access network node;
Configuration module, for being administered little by the cell configuration of described set of cells by described service wireless access network nodeThe adjacent area in district.
11. devices according to claim 10, is characterized in that, the described set of cells that described acquisition module obtains comprise withUnder one of at least:
The described community of administering in abutting connection with wireless access network node, the described neighbor cell in abutting connection with wireless access network node, instituteState all peripheral cells in abutting connection with wireless access network node, wherein, the described neighbor cell in abutting connection with wireless access network node bagDraw together: the described surrounding adjacent area that can listen in abutting connection with wireless access network node, described owning in abutting connection with wireless access network nodePeripheral cell refers to as described in abutting connection with all adjacent areas of cell configuration that wireless access network node is administered.
12. devices according to claim 10, is characterized in that, described configuration module, also for carrying out one of following configurationJourney: be described service wireless access by the cell configuration of administering in abutting connection with wireless access network node described in described set of cellsThe adjacent area of net node; Described service nothing will be configured in abutting connection with the neighbor cell of wireless access network node described in described set of cellsLine access node has the adjacent area of Serving cell under its command; By owning in abutting connection with wireless access network node described in described set of cellsPeripheral cell is kept at this locality, as candidate adjacent, selects community as institute according to preset rules from described candidate adjacentState the adjacent area that service wireless access network node has Serving cell under its command.
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| CN201410596466.2A CN105592508A (en) | 2014-10-29 | 2014-10-29 | Method and apparatus for establishing radio access network node adjacent cell relations |
| PCT/CN2015/075729 WO2016065840A1 (en) | 2014-10-29 | 2015-04-01 | Method and apparatus for establishing radio access network node adjacent cell relations |
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| CN201410596466.2A CN105592508A (en) | 2014-10-29 | 2014-10-29 | Method and apparatus for establishing radio access network node adjacent cell relations |
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| WO2016065840A1 (en) | 2016-05-06 |
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