CN105246088A - Base station and adjacent cell list configuration method - Google Patents
Base station and adjacent cell list configuration method Download PDFInfo
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- CN105246088A CN105246088A CN201510711481.1A CN201510711481A CN105246088A CN 105246088 A CN105246088 A CN 105246088A CN 201510711481 A CN201510711481 A CN 201510711481A CN 105246088 A CN105246088 A CN 105246088A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
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Abstract
The invention discloses a base station and an adjacent cell list configuration method. The method comprises the following steps: acquiring network topological parameters of candidate adjacent cells of a local cell for representing topological locations of the candidate adjacent cells in a multi-stage network topological structure; setting cell types of the candidate adjacent cells according to the network topological parameters of the candidate adjacent cells; and setting priorities of the candidate adjacent cells according to the cell types of the candidate adjacent cells, and configuring an adjacent cell list of the local cell according to the priorities of the candidate adjacent cells in order that the base station can preferentially select an adjacent cell of which the topological location is close to the local cell according to the topological locations of the candidate adjacent cells, and switching or reselection among small cells by a user can be realized. The adjacent cell configuration method is suitable for the multi-stage network topological structure, and a cell reselection or switching demand in a multi-stage network can be met.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of base station, neighbor list configuration method.
Background technology
Along with the development of mobile communication technology, there is plurality of base station devices form in existing mobile communications network, as macro base station, smallcell, remote radio, indoor distributed system etc., smallcell comprises femtocell again, picocell, microcell etc.When base station is by SON automatic configuring neighbor cell list, many employings base station simulating mobile terminal carries out perception to wireless environment, obtain cell information, and be foundation with received signal strength, the cell configuration that in the community obtain base station perception, received signal strength is stronger is adjacent area.
But in multistage network, macro base station directly and core net connect, smallcell connects by one or more levels centralized device and core net.Generally cover capacity requirement according to reality, the signal strength signal intensity of smallcell is far below macro base station.Therefore, in multistage network, using signal strength signal intensity or signal quality as increase/delete adjacent area according to and be not suitable for multistage network topological structure, this is because smallcell is positioned at macro base station coverage area scope, be subject to macro base station interference, easily macrocell stronger for received signal strength in cell coverage area is configured to adjacent area, and the smallcell community that in cell coverage area, received signal strength is more weak is easy to out in the cold, user is caused not carry out switching or gravity treatment between smallcell.
In addition, traditional base station type, as macro base station, complete the rear general nonvoluntary closedown/unlatching base station of opening base station construction or changing base station coverage area, network topology tenacious of, the parameters of community generally can maintain the long period after configuration/optimization.But after introducing smallcell, can lay/remove samllcell base station according to actual needs in existing mobile communications network, simultaneously can according to actual volume On/Off smallcell base station carrier, cause the network topology structure of actual mobile communications network variable, the neighbor cell configuration of base station is impacted.
Therefore, by means of only signal strength signal intensity or signal quality configuration or optimize Neighboring Cell List and be difficult to adapt to the change of network topology, and user is not easy to carry out switching or gravity treatment between smallcell, prior art, to also not solving preferably above, therefore needs a kind of configuring method for neighboring area of applicable multistage network topological structure badly.
Summary of the invention
The embodiment of the present invention provides a kind of base station and neighbor list configuration method, adapt to the change of network topology, and user can carry out switching or gravity treatment between smallcell for realizing base station configuring neighbor cell list.
The embodiment of the present invention provides a kind of neighbor list configuration method, comprising:
Obtain the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
According to the network topology parameters of candidate adjacent, arrange the cell type of candidate adjacent, cell type is used for the network topology of mark candidate adjacent area and this community;
According to the cell type of candidate adjacent, the priority of candidate adjacent is set, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
Further, before the network topology parameters obtaining candidate adjacent, also comprise:
For the cell configuration network topology parameters under base station, network topology parameters is carried at least one cell parameter;
Wherein, the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under the little base station connected by one or more levels centralized device and core net, and the network topology parameters of any two macro base station communities is different, the network topology parameters of the community under centralized device not at the same level is different, the network topology parameters of the community under the different centralized device of same stages is different, and the network topology parameters of the community under same centralized device is identical.
Further, also comprise:
When base station newly powers on, the neighboring BS information newly obtained is defined as the candidate adjacent information of this community;
When base station is run, the neighboring BS information configured and/or the new neighboring BS information obtained are defined as the candidate adjacent information of this community for this community.
Further, according to the cell type of candidate adjacent, the priority of candidate adjacent is set, comprises:
According to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.
Further, according to the network topology parameters of candidate adjacent, the cell type of candidate adjacent is set, comprises:
Judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
Further, according to the cell type of candidate adjacent, the priority of candidate adjacent is set, comprises:
Be Second Type by cell type, adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community;
Be that the priority of the candidate adjacent of the first kind is set to the second priority by cell type;
Be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Be the 3rd type by cell type, adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Be Second Type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Be that the priority of the candidate adjacent of the 4th type is set to the 6th priority by cell type.
The embodiment of the present invention provides a kind of base station, comprising:
Acquiring unit, for obtaining the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
First dispensing unit, for the network topology parameters according to candidate adjacent, arranges the cell type of candidate adjacent, and cell type is used for the network topology of mark candidate adjacent area and this community;
Second dispensing unit, for the cell type according to candidate adjacent, arranges the priority of candidate adjacent, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
Further, also comprise: the 3rd dispensing unit, the 3rd dispensing unit is used for:
Before the network topology parameters obtaining candidate adjacent, be the cell configuration network topology parameters under base station, network topology parameters is carried at least one cell parameter;
Wherein, the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under the little base station connected by one or more levels centralized device and core net, and the network topology parameters of any two macro base station communities is different, the network topology parameters of the community under centralized device not at the same level is different, the network topology parameters of the community under the different centralized device of same stages is different, and the network topology parameters of the community under same centralized device is identical.
Further, described acquiring unit also for:
When base station newly powers on, the neighboring BS information newly obtained is defined as the candidate adjacent information of this community;
When base station is run, the neighboring BS information configured and/or the new neighboring BS information obtained are defined as the candidate adjacent information of this community for this community.
Further, described second dispensing unit specifically for:
According to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.
Further, described first dispensing unit specifically for:
Judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
Further, described second dispensing unit specifically for:
Be Second Type by cell type, adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community;
Be that the priority of the candidate adjacent of the first kind is set to the second priority by cell type;
Be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Be the 3rd type by cell type, adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Be Second Type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Be that the priority of the candidate adjacent of the 4th type is set to the 6th priority by cell type.
In above-described embodiment, network topology parameters characterizes the topology location of community in multistage network, when in base station being cell configuration adjacent area, obtain the network topology parameters of candidate adjacent, make base station can know the topology location of this community and candidate adjacent, based on the topology location of this community and candidate adjacent, the cell type of the candidate adjacent of this community is set.Network topology parameters can network topology between mark candidate adjacent area and this community, and the priority of candidate adjacent is set according to cell type, using the priority that arranges based on the cell type selection gist as this adjacent area, community, make the adjacent area that base station can be close with this community according to the topology location prioritizing selection topology location of candidate adjacent, namely preferential is the adjacent area of this community by the cell configuration under the smallcell close with the topology location of this community, user can be realized carry out switching or gravity treatment between smallcell, avoid only according to signal strength signal intensity by received signal strength in cell coverage area is comparatively strong but the cell configuration that network topological location differs larger with this community is adjacent area, user is made to obtain higher experience under smallcell.
In addition, even if when multistage network topology changes, also the topology location in multistage network can be this cell configuration Neighboring Cell List according to this community own base station and candidate adjacent own base station, therefore the method for configuring adjacent cell of the present invention is suitable for multistage network topological structure, can meet gravity treatment or the switching demand of actual multistage network small area.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The method flow diagram of a kind of base station configuring neighbor cell list that Fig. 1 provides for inventive embodiments;
The structural representation of a kind of multistage network topology that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 arranges the method flow schematic diagram of candidate adjacent priority for a kind of cell type according to candidate adjacent that the embodiment of the present invention provides;
The structural representation of a kind of base station that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Neighboring Cell List is the important content in the wireless parameter of community, is used to guide gravity treatment and the switching of UE (UserEquipment, subscriber equipment) under community, realizes UE random movement in a network.In present mobile communication network system, introduce SON (SelfOrganizationNetwork, self-organizing network) technology is for realizing automatic configuration and the maintenance of base station cell parameter, replace the network operation maintaining method of traditional manual configuration, human assistance optimization, reduce network operation and maintenance work.By SON technology, base station realize Neighboring Cell List self-configuring, self-optimizing, certainly cure function, automatically configuration with safeguard cell neighbor list.
In multistage network, user more expects to carry out gravity treatment/switching according to network topology, thus requires the configuration energy Adapted for Network topology of Neighboring Cell List.Such as, when adopting smallcell to improve capacity in network, user obtains higher experience under being more desirably in smallcell, and network topology also arranges user and switches between smallcell.If realize user to obtain higher experience under smallcell, need first to realize carrying out gravity treatment or switching according to network topology, i.e. the Neighboring Cell List of base station configuration can be suitable for multistage network topology.
Conceive based on foregoing invention, the invention provides a kind of method of base station and neighbor cell configuration in multistage network, the network topology parameters of the topology location of community in multistage network is characterized by configuration, when in base station being cell configuration adjacent area, obtain the network topology parameters of candidate adjacent, make base station can know the topology location of this community and candidate adjacent, based on the topology location of this community and candidate adjacent, the cell type of the candidate adjacent of this community is set, can network topology between mark candidate adjacent area and this community, and the priority of candidate adjacent is set according to cell type, using the priority that arranges based on the cell type selection gist as this adjacent area, community, make the adjacent area that base station can be close with this community according to the topology location prioritizing selection topology location of candidate adjacent, namely preferential is the adjacent area of this community by the cell configuration under the smallcell close with the topology location of this community, user can be realized carry out switching or gravity treatment between smallcell, avoid only according to signal strength signal intensity by received signal strength in cell coverage area is comparatively strong but the cell configuration that network topological location differs larger with this community is adjacent area, user is made to obtain higher experience under smallcell.
In addition, even if when multistage network topology changes, also the topology location in multistage network can be this cell configuration Neighboring Cell List according to this community own base station and candidate adjacent own base station, therefore the method for configuring adjacent cell of the present invention is suitable for multistage network topological structure, can meet gravity treatment or the switching demand of actual multistage network small area.
Below in conjunction with embodiment, the neighbor list configuration method that the present invention proposes is described in detail.
The embodiment of the present invention as shown in Figure 1 provides a kind of neighbor list configuration method flow process, and the method comprises:
Step 101, obtain the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
Step 102, according to the network topology parameters of candidate adjacent, arranges the cell type of candidate adjacent, and cell type is used for the network topology of mark candidate adjacent area and this community;
Step 103, according to the cell type of candidate adjacent, arranges the priority of candidate adjacent, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
Flow process according to the method described above, the configuration that not only can realize Neighboring Cell List can also flow process be optimized the Neighboring Cell List configured according to the method described above.Even if actual multistage network topological structure changes, the adjacent area that also can configure according to the topology location optimization of candidate adjacent after network topology change.Said method flow process of the present invention is not limited to 4G network, is also still suitable for for GSM, UTMS, TD-SCDMA, WCDMA network.
Before step 101, base station is jurisdiction district, base station configuration network topological parameter, and network topology parameters is configured at least one cell parameter, for characterizing the topology location of community in multistage network.Cell parameter, as CGI (CellGlobalIdentitier, Cell Global Identification), LAI (LocationAreaIdentification, Location Area Identification), SAI (ServiceAreaIdentifier, Service Area Identifier), LAC (LocationAreaCode, location area code), LAC & CellID (CellIdentification, cell ID) etc. can be used for configuration network topological parameter, such as, be partly or entirely stored as network topology parameters by cell ID CellID.Base station is by the network topology parameters of allocating cell, and topological parameter Network Based carries out neighbor cell configuration and is more simple and easy to realize.Base station configures the Neighboring Cell List with base station maintenance community voluntarily, and Adapted for Network topology and change thereof, meet the gravity treatment/switching demand of actual multistage network small area.
In multistage network, the connected mode of community own base station and core net is divided into: the macro base station directly connected with core net; By the smallcell that one-level centralized device and core net connect; By the smallcell that multistage centralized device and core net connect.
Based on above three kinds of connected modes, when base station is jurisdiction district, base station configuration network topological parameter, preferably, the configuration of the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under arbitrary little base station connected by one or more levels centralized device and core net.Concrete, in the network topology parameters of the macro base station community of configuration, the network topology parameters of any two macro base station communities is different; Be connected with in the network topology parameters of the community of the little base station configuration of centralized device, preferably, the network topology parameters of the community under same centralized device is identical; The network topology parameters of the community under the different centralized device of same stages is different; The network topology parameters of the community under centralized device not at the same level is different.In order to make the subzone network topological parameter that exists under the centralized device of relationship between superior and subordinate interrelated, alternatively, it is identical that the subzone network topological parameter existed under the centralized device of relationship between superior and subordinate can be set to part.
Such as, in the network topology structure of a kind of multistage network as shown in Figure 2, eNB8, eNB9 are the macro base station directly connected with core net, eNB1 to eNB7 is the little base station connected by one or more levels centralized device and core net, community under centralized device A is the administrative community of base station eNB 1, eNB2, eNB3, community under centralized device B is the administrative community of base station eNB 6, eNB7, and the community under centralized device C is the administrative community of base station eNB 4, eNB5.Wherein, centralized device B and centralized device A is the centralized device of same stages, and therefore, the community under centralized device B is different from the network topology parameters of the community under centralized device A; Centralized device B and centralized device C is centralized device not at the same level, and therefore, the community under centralized device B is different from the network topology parameters of the community under centralized device C.Suppose that network topology parameters is all configured in front 10 bits of the cell ID of community, then the CellID of the community under eNB8, eNB9 is different from the configuration of the network topology parameters of the community under any one little base station in eNB1 to eNB7 for the configuration of front 10 bit of storage networking topological parameter.And front 10 bit configuration of community CellID under eNB1, eNB2, eNB3 is identical, different from other communities, and whole net is unique; Front 10 bit configuration of the community CellID under eNB4, eNB5 is identical, different from other communities, and whole net is unique; Front 10 bit of the community CellID under eNB6, eNB7 are identical, different from other communities, and whole net is unique; Front 10 bit differences of the community CellID under eNB8, eNB9, and whole net is unique.
In above-mentioned steps 101, the candidate adjacent of this community, refers to all peripheral cells of this community that can obtain.The candidate adjacent information of this community comprises the neighboring BS information that this community newly obtains directly under base station, and/or, be the neighboring BS information that this community has configured.
Be specially: when base station newly powers on, the neighboring BS information newly obtained be defined as the candidate adjacent information of this community; When base station is run, by the neighboring BS information configured for this community, and/or the new neighboring BS information obtained is defined as the candidate adjacent information of this community.Therefore, said method flow process of the present invention, not by time restriction, can be applied to self-configuring process when base station initially powers on, also may be used for base station power on after self-optimizing process, applied widely.
Wherein, the neighboring BS information of new acquisition includes but not limited to: the neighboring BS information listened to, the neighboring BS information that place, base station centralized device issues, there is the neighboring BS information of change in small area, configuring adjacent cell type, this community of unidirectional configuration is the cell information of adjacent area, is more suitable for the base station configuration in multistage network topological structure, optimizes Neighboring Cell List.Such as, if base station is intercepted, the new adjacent area obtained comprises the community listened to; If base station and centralized device (as webmaster) connect, if centralized device issues adjacent area, the new adjacent area obtained comprises the adjacent area that centralized device issues; If base station and centralized device (as webmaster) connect, the new adjacent area obtained comprise obtained by centralized device be configured with the community that this community is adjacent area; If UE measurement reports discovery not to be configured to the community of adjacent area, the new adjacent area obtained comprises the community that this is not configured to adjacent area; If the signaling that base station receives is from the community in non-configuring neighbor cell list, the new adjacent area obtained comprises this community.
In step 102, carry out the setting of the cell type of candidate adjacent when base station is carried out Neighboring Cell List configuration or optimizes, what decrease with management station equipment is mutual, and efficiency is higher, realizes simpler.Base station can arrange cell type according to the network topology parameters of candidate adjacent, the alternatively foundation of priority of adjacent domain sequence, preferably more with this cell merge demand in topology community, energy Adapted for Network topology, meet the actual gravity treatment/switching demand of network, and Neighboring Cell List can be optimized according to the change of network topology.For arbitrary candidate adjacent, according to the network topology parameters of candidate adjacent, the cell type of candidate adjacent is set, comprises: judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
Wherein, according to the network topology parameters of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, a kind of mode that can realize is: the subzone network topological parameter under the centralized device of relationship between superior and subordinate can be set to part identical, to make the subzone network topological parameter that exists under the centralized device of relationship between superior and subordinate interrelated, such dependence, according to the network topology parameters of candidate adjacent, if the part field of the network topology parameters of candidate adjacent is identical with the corresponding field of the network topology parameters of this community, then determine that candidate adjacent is the community under the upper level centralized device of centralized device belonging to this base station, if the part field of the network topology parameters of candidate adjacent is different from the corresponding field of the network topology parameters of this community, then determine that candidate adjacent is not the community under the upper level centralized device of centralized device belonging to this base station.
Such as, the value of the cell type of candidate adjacent is defined as { 0,1,2,3}.Candidate adjacent is macro base station community, then the cell type value of candidate adjacent is 0; Candidate adjacent and this community are the communities under same centralized device, then the cell type value of candidate adjacent is 1; This community is connected by multistage centralized device and core net, and the community under the upper level centralized device of Shi Zhe community, candidate adjacent, then the cell type value of candidate adjacent is 2; This community is connected by multistage centralized device and core net, and candidate adjacent and this community be not under same concentrating equipment, nor the community under the upper level centralized device of Shi Zhe community, then the cell type value of candidate adjacent is 3.
Based on above-mentioned citing, according to the method described above flow process, if the cell type of candidate adjacent is set to the first kind, then first kind value is 0; If the cell type of candidate adjacent is set to Second Type, then Second Type value is 1; If the cell type of candidate adjacent is set to the 3rd type, then the 3rd type value is 2; If the cell type of candidate adjacent is set to the 4th type, then the 4th type value is 3.
In conjunction with above-mentioned citing, if carry out neighbor cell configuration to the community under eNB4 in the network topology structure of the multistage network shown in Fig. 2, first will according to the candidate adjacent information obtained, the candidate adjacent of correspondence is carried out to the setting of cell type, if the candidate adjacent information that eNB4 obtains comprises the network topology parameters of the community under eNB3, eNB5, eNB7, eNB9.ENB5 and eNB4 is the little base station under same centralized device, therefore the configuration of the network topology parameters of the community of affiliated eNB5 with eNB4 is identical; Belonging to centralized device belonging to eNB3 and eNB4, access device is centralized device not at the same level, therefore the configuration of the network topology parameters of the community of affiliated eNB3 is different from the configuration of the network topology parameters of the community of affiliated eNB4, and whole net is unique; Centralized device belonging to eNB7 is the upper level centralized device of access device belonging to eNB4, and therefore, the configuration of the network topology parameters of the community of affiliated eNB7 is different from the configuration of the network topology parameters of the community of affiliated eNB4, and whole net is unique; ENB9 is the macro base station be directly connected with core net, and the configuration of the network topology parameters of the community of affiliated eNB9 is different from the configuration of the network topology parameters of the community of affiliated eNB4, and whole net is unique.Therefore, when according to network topology parameters, cell type is set, according to the candidate adjacent information that eNB4 obtains, the configuration filtering out network topology parameters from candidate adjacent meets the candidate adjacent of the configuration of the network topology parameters of the community under eNB9, and the cell type of this candidate adjacent is set to 0; The identical candidate adjacent of network topology parameters of network topology parameters and eNB4 is filtered out from remaining candidate adjacent, the cell type of this candidate adjacent is set to 1, the candidate adjacent that network topology parameters is not identical with the network topology parameters of eNB4 is filtered out from remaining candidate adjacent, and cell type configuration being met the candidate adjacent of the configuration of the network topology parameters of the community under eNB7 is set to 2, cell type configuration being met the candidate adjacent of the configuration of the network topology parameters of the community under eNB3 is set to 3.
The topology of multistage network, according to the cell type of candidate adjacent, is taken into account by said process, preferably more with this cell merge demand in topology community, energy Adapted for Network topology, and can optimize Neighboring Cell List according to the change of network topology.
In above-mentioned steps 103, according to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.Because the candidate adjacent in the present invention not only comprises configuring adjacent cell, also can comprise the new adjacent area obtained, therefore can realize arranging the priority of newfound candidate adjacent.The present invention is in conjunction with the priority of the cell type of candidate adjacent and the setup of attribute candidate adjacent, adjacent area of candidate adjacent, and then the switching demand of network topology of more fitting according to priority allocation and optimization Neighboring Cell List, Adapted for Network topological structure.
Concrete, according to the cell type of candidate adjacent, the priority of candidate adjacent is set, to realize the switching demand allocation and optimization adjacent area according to multistage network topology, preferably, as shown in Figure 3, according to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set, can comprises the following steps:
Cell type is Second Type by step 301, and adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community; Described first threshold value, arrange according to reality, span is 0 ~ 1.
Cell type is that the priority of the candidate adjacent of the first kind is set to the second priority by step 302;
Step 303, be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Cell type is the 3rd type by step 304, and adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Cell type is Second Type by step 305, and adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Cell type is that the priority of the candidate adjacent of the 4th type is set to the 6th priority by step 306.
The present invention carry out prioritization according to comprising the cell type of the candidate adjacent obtained according to network topology parameters analysis, with the switching statistics of multistage network topology, the community actual switching demand of configuring adjacent cell and quality of handoff is considered when optimizing Neighboring Cell List, switch demand according to real network and optimize Neighboring Cell List, preferably more with this cell merge demand in topology community, energy Adapted for Network topology, meet the actual gravity treatment/switching demand of multistage network, and Neighboring Cell List can be optimized according to the change of network topology.
In step 103, configure the Neighboring Cell List of this community according to the priority of candidate adjacent, comprising: according to the priority of candidate adjacent, select higher front M the community of priority, M community before higher for the priority of selection is added in the Neighboring Cell List of this community.Also comprise: the adjacent area attribute that each adjacent area in this cell neighbor list is set.
Wherein, M is the maximum number of adjacent area in Neighboring Cell List, can arrange as required, but is no more than the adjacent area maximum number that agreement specifies.When needing to select in the candidate adjacent that priority is identical, for the candidate adjacent in this community configuring adjacent cell, prioritizing selection and the more adjacent area as this community of this cell merge number of times; For the new candidate adjacent obtained, the adjacent area as this community that prioritizing selection signal strength signal intensity is larger.
In above-described embodiment, the cell type of candidate adjacent is set according to the network topology parameters of candidate adjacent, and according to the cell type of candidate adjacent, the priority of candidate adjacent is set, the topology of multistage network is realized to take into account, preferably more with this cell merge demand in topology community, energy Adapted for Network topology, and Neighboring Cell List can be optimized according to the change of network topology.Meanwhile, in conjunction with adjacent area attribute, under the switching demand meeting network topology, the actual switching demand according to community configuring adjacent cell and quality of handoff optimization Neighboring Cell List can be realized.
In above-described embodiment, the network topology parameters of the topology location of community in multistage network is characterized by configuration, when in base station being cell configuration adjacent area, obtain the network topology parameters of candidate adjacent, make base station can know the topology location of this community and candidate adjacent, based on the topology location of this community and candidate adjacent, the cell type of the candidate adjacent of this community is set, can network topology between mark candidate adjacent area and this community, and the priority of candidate adjacent is set according to cell type, using the priority that arranges based on the cell type selection gist as this adjacent area, community, make the adjacent area that base station can be close with this community according to the topology location prioritizing selection topology location of candidate adjacent, namely preferential is the adjacent area of this community by the cell configuration under the smallcell close with the topology location of this community, user can be realized carry out switching or gravity treatment between smallcell, avoid only according to signal strength signal intensity by received signal strength in cell coverage area is comparatively strong but the cell configuration that network topological location differs larger with this community is adjacent area, user is made to obtain higher experience under smallcell.
In addition, even if when multistage network topology changes, can not show for this cell configuration adjacent area by the topology location in multistage network according to this community own base station and candidate adjacent own base station yet, therefore the method for configuring adjacent cell of the present invention is suitable for multistage network topological structure, can meet gravity treatment or the switching demand of actual multistage network small area.
For said method flow process, the embodiment of the present invention also provides a kind of base station, and for flow process configuring neighbor cell list according to the method described above, particular content can be implemented with reference to said method, does not repeat them here.
The embodiment of the present invention provides a kind of a kind of base station as shown in Figure 4, comprising:
Acquiring unit 401, for obtaining the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
First dispensing unit 402, for the network topology parameters according to candidate adjacent, arranges the cell type of candidate adjacent, and cell type is used for the network topology of mark candidate adjacent area and this community;
Second dispensing unit 403, for the cell type according to candidate adjacent, arranges the priority of candidate adjacent, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
Further, also comprise: the 3rd dispensing unit, the 3rd dispensing unit is used for:
Before the network topology parameters obtaining candidate adjacent, be the cell configuration network topology parameters under base station, network topology parameters is carried at least one cell parameter;
Wherein, the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under the little base station connected by one or more levels centralized device and core net, and the network topology parameters of any two macro base station communities is different, the network topology parameters of the community under centralized device not at the same level is different, the network topology parameters of the community under the different centralized device of same stages is different, and the network topology parameters of the community under same centralized device is identical.
Further, described acquiring unit 401 also for:
When base station newly powers on, the neighboring BS information newly obtained is defined as the candidate adjacent information of this community;
When base station is run, the neighboring BS information configured and/or the new neighboring BS information obtained are defined as the candidate adjacent information of this community for this community.
Further, described second dispensing unit 403 specifically for:
According to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.
Further, described first dispensing unit 402 specifically for:
Judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
Further, described second dispensing unit 403 specifically for:
Be Second Type by cell type, adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community;
Be that the priority of the candidate adjacent of the first kind is set to the second priority by cell type;
Be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Be the 3rd type by cell type, adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Be Second Type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Be that the priority of the candidate adjacent of the 4th type is set to the 6th priority by cell type.
In above-described embodiment, network topology parameters characterizes the topology location of community in multistage network, when base station is cell configuration adjacent area, arranges the cell type of candidate adjacent according to the network topology parameters of candidate adjacent, and in conjunction with setup of attribute candidate adjacent, adjacent area priority, as the foundation that adjacent area is selected.Network topology parameters is passed through in the method, make base station can know the topology location of community and its adjacent area, the adjacent area that switching demand is large is selected according to topology, the adjacent area of configuration is suitable for multistage network topological structure, and adjacent area can be optimized according to the change of network topology, meet gravity treatment or the switching demand of actual multistage network small area.
In above-described embodiment, the network topology parameters of the topology location of community in multistage network is characterized by configuration, when in base station being cell configuration adjacent area, obtain the network topology parameters of candidate adjacent, make base station can know the topology location of this community and candidate adjacent, based on the topology location of this community and candidate adjacent, the cell type of the candidate adjacent of this community is set, can network topology between mark candidate adjacent area and this community, and the priority of candidate adjacent is set according to cell type, using the priority that arranges based on the cell type selection gist as this adjacent area, community, make the adjacent area that base station can be close with this community according to the topology location prioritizing selection topology location of candidate adjacent, namely preferential is the adjacent area of this community by the cell configuration under the smallcell close with the topology location of this community, user can be realized carry out switching or gravity treatment between smallcell, avoid only according to signal strength signal intensity by received signal strength in cell coverage area is comparatively strong but the cell configuration that network topological location differs larger with this community is adjacent area, user is made to obtain higher experience under smallcell.
In addition, even if when multistage network topology changes, can not show for this cell configuration adjacent area by the topology location in multistage network according to this community own base station and candidate adjacent own base station yet, therefore the method for configuring adjacent cell of the present invention is suitable for multistage network topological structure, can meet gravity treatment or the switching demand of actual multistage network small area.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a neighbor list configuration method, is characterized in that, comprising:
Obtain the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
According to the network topology parameters of candidate adjacent, arrange the cell type of candidate adjacent, cell type is used for the network topology of mark candidate adjacent area and this community;
According to the cell type of candidate adjacent, the priority of candidate adjacent is set, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
2. method as claimed in claim 1, is characterized in that, before the network topology parameters obtaining candidate adjacent, also comprises:
For the cell configuration network topology parameters under base station, network topology parameters is carried at least one cell parameter;
Wherein, the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under the little base station connected by one or more levels centralized device and core net, and the network topology parameters of any two macro base station communities is different, the network topology parameters of the community under centralized device not at the same level is different, the network topology parameters of the community under the different centralized device of same stages is different, and the network topology parameters of the community under same centralized device is identical.
3. method as claimed in claim 1, is characterized in that, also comprise:
When base station newly powers on, the neighboring BS information newly obtained is defined as the candidate adjacent information of this community;
When base station is run, the neighboring BS information configured and/or the new neighboring BS information obtained are defined as the candidate adjacent information of this community for this community.
4. method as claimed any one in claims 1 to 3, is characterized in that, according to the cell type of candidate adjacent, arrange the priority of candidate adjacent, comprising:
According to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.
5. method as claimed in claim 4, is characterized in that, according to the network topology parameters of candidate adjacent, arrange the cell type of candidate adjacent, comprising:
Judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
6. method as claimed in claim 5, is characterized in that, according to the cell type of candidate adjacent, arrange the priority of candidate adjacent, comprising:
Be Second Type by cell type, adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community;
Be that the priority of the candidate adjacent of the first kind is set to the second priority by cell type;
Be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Be the 3rd type by cell type, adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Be Second Type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Be that the priority of the candidate adjacent of the 4th type is set to the 6th priority by cell type.
7. a base station, is characterized in that, comprising:
Acquiring unit, for obtaining the candidate adjacent information of this community, candidate adjacent information comprises the network topology parameters of candidate adjacent, and network topology parameters is for characterizing the topology location of candidate adjacent in multistage network topological structure;
First dispensing unit, for the network topology parameters according to candidate adjacent, arranges the cell type of candidate adjacent, and cell type is used for the network topology of mark candidate adjacent area and this community;
Second dispensing unit, for the cell type according to candidate adjacent, arranges the priority of candidate adjacent, and configures the Neighboring Cell List of this community according to the priority of candidate adjacent.
8. base station as claimed in claim 7, it is characterized in that, also comprise: the 3rd dispensing unit, the 3rd dispensing unit is used for:
Before the network topology parameters obtaining candidate adjacent, be the cell configuration network topology parameters under base station, network topology parameters is carried at least one cell parameter;
Wherein, the network topology parameters of the macro base station community directly connected with core net, different from the configuration of the network topology parameters of the community under the little base station connected by one or more levels centralized device and core net, and the network topology parameters of any two macro base station communities is different, the network topology parameters of the community under centralized device not at the same level is different, the network topology parameters of the community under the different centralized device of same stages is different, and the network topology parameters of the community under same centralized device is identical.
9. base station as claimed in claim 7, is characterized in that, described acquiring unit also for:
When base station newly powers on, the neighboring BS information newly obtained is defined as the candidate adjacent information of this community;
When base station is run, the neighboring BS information configured and/or the new neighboring BS information obtained are defined as the candidate adjacent information of this community for this community.
10. the base station according to any one of claim 7 to 9, is characterized in that, described second dispensing unit specifically for:
According to the cell type of candidate adjacent and the adjacent area attribute of candidate adjacent, the priority of candidate adjacent is set.
11. base stations as claimed in claim 10, is characterized in that, described first dispensing unit specifically for:
Judge whether the network topology parameters of candidate adjacent meets the network topology parameters configuration of macro base station community, if so, then the cell type of candidate adjacent is set to the first kind;
If not, judge that whether the network topology parameters of candidate adjacent is identical with the network topology parameters of this community, if identical, then the cell type of candidate adjacent is set to Second Type, if not identical, according to the network parameter of candidate adjacent judge candidate adjacent whether belonging to this base station centralized device upper level centralized device under community, if, the cell type of candidate adjacent is set to the 3rd type, if not, the cell type of candidate adjacent is set to the 4th type.
12. base stations as claimed in claim 11, is characterized in that, described second dispensing unit specifically for:
Be Second Type by cell type, adjacent area attribute is for newly to obtain adjacent area, or adjacent area attribute is configuring adjacent cell and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the first priority, this community;
Be that the priority of the candidate adjacent of the first kind is set to the second priority by cell type;
Be the 3rd type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the priority that handover success rate is not less than the candidate adjacent of the first threshold value is set to the 3rd priority;
Be the 3rd type by cell type, adjacent area attribute is that the priority of the candidate adjacent newly obtaining adjacent area is set to the 4th priority;
Be Second Type by cell type, adjacent area attribute is configuring adjacent cell, this community, and the handover success rate of community is set to the 5th priority lower than the priority of the candidate adjacent of the first threshold value;
Be that the priority of the candidate adjacent of the 4th type is set to the 6th priority by cell type.
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