CN101877871B - Network self-organization method and evolution base station - Google Patents
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Abstract
The invention discloses a network self-organization method and an evolution base station eNB. The method comprises the following steps that: when the eNB is started, the state of a neighborhood relation table in the eNB is set to be pre-valid; the eNB sets up a request message through X2 to send the neighborhood relation table thereof to a neighboring eNB and receive the neighborhood relation table of the neighboring eNB, which is returned by the neighboring eNB; the eNB sets the state of the neighborhood relation table between the eNB and the neighboring eNB to be pre-valid according to the neighborhood relation table of the neighboring eNB; and the eNB evaluates the neighborhood relation represented by the neighborhood relation table in the pre-valid state and changes the pre-valid state of the neighborhood relation table to be valid or invalid according to the evaluation result. The technical scheme of the invention optimizes neighboring configuration, so that switch judgment can use precise neighboring information and a switch success rate of a network is improved.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of network self-organization method and a kind of evolution base station eNB.
Background technology
Long Term Evolution (LTE, Long Term Evolution) network is the network of a flattening.Fig. 1 is existing LTE schematic network structure.As shown in Figure 1, the LTE network is by UMTS Terrestrial radio access network (E-UTRAN) and the evolution packet switching center (EPC of evolution, Evolved Packet Core) form, it compares maximum variation with 3G technology, the wireless access mesh portions has been removed radio network controller (RNC, Radio NetworkController), reduced network delay.EPC comprises mobile management entity (MME) and Service Gateway (S-GW).E-UTRAN comprises the set of the evolution base station (eNB) that is connected by S 1 interface with EPC, is connected by X2 interface between eNB, and each ENB comprises a plurality of residential quarters.
At present, because 2G, 3G and LTE will coexist in for a long time, the complexity of system's Operation and Maintenance will increase greatly, adopting under conventional wireless network planning, Optimization Work mode, the network parameter of flood tide almost can't be by manually coming complete operation, and the network planning, optimization and operation cost are more and more higher.Therefore operator initiates self-optimizing network (SON, Self-Organizing Network) technology, wishes to reduce operation cost by the SON technology, improves operating efficiency, network performance and stability.
Existing SON technology has following four large functions:
Self-configuring: eNB namely inserts namely to enter, automatic software installation, automatically configure wireless parameter and transformation parameter, automatically detect, the automatic management of syntople etc.; Self-configuring can reduce networking and open the process that middle engineer repeats manually to prepare parameter, reduces networking difficulty and cost;
Self-optimizing: according to the operation conditions of the network equipment, self adaptation is adjusted parameter, optimized network performance.Traditional network optimization can be divided into two aspects, and one is wireless parameter optimization, as transmitting power, handoff threshold, residential quarter individual character skew etc.; It two is machinery and physics optimization, as antenna direction with have a down dip, aerial position, benefit point etc.Self-optimizing can only the traditional network optimization of Partial Replacement.Self-optimizing comprise cover with capacity optimization, energy-conservation, PCI self-configuring, mobile robustness optimization, moving load balance optimizing, RACH optimization, Automatic Neighboring Relation, residential quarter in interference coordination etc.
Selfreparing: find fault by Automated Alarm Correlation, in time isolate and recover.
Self planning: the dynamically planning of re-computation network automatically, the Bus stop planning during as System Expansion and wireless parameter configuration.
But present LTE SON technology is perfect not enough, the irrational situation of neighbor cell configuration often occurs, causes handover success rate low, has wasted Internet resources, has also increased network load simultaneously.
Summary of the invention
The invention provides a kind of network self-organization method, the method has been optimized neighbor cell configuration, makes switch decision can utilize neighboring BS information accurately, has improved the handover success rate of network.
The present invention also provides a kind of eNB, and this eNB can optimize neighbor cell configuration, makes switch decision can utilize neighboring BS information accurately, has improved the handover success rate of network.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of network self-organization method, dispose neighborhood region correlation chart on evolution base station eNB, this neighborhood region correlation chart comprises: the neighboring BS relationship list item in this eNB and the neighboring BS relationship list item between this eNB and adjacent eNB, when initial, the state of all neighboring BS relationship list items is invalid, and the method comprises:
When described eNB started, the state of the neighboring BS relationship list item in this eNB was set to pre-effective;
Described eNB sets up request message by X2 self neighborhood region correlation chart is sent to adjacent eNB, and receives the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns;
Described eNB is according to the neighborhood region correlation chart of adjacent eNB, and the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective;
Described eNB is that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and comes into force or invalid.
The invention also discloses a kind of evolution base station eNB, this eNB comprises: memory module and self-optimizing module, wherein,
Memory module is used for preserving neighborhood region correlation chart; This neighborhood region correlation chart comprises: the neighboring BS relationship list item in this eNB and the neighboring BS relationship list item between this eNB and adjacent eNB, when initial the state of all neighboring BS relationship list items be invalid;
The self-optimizing module, when being used for this eNB startup, the state of the neighboring BS relationship list item in this eNB is set to pre-effective; Be used for setting up request message by X2 the neighborhood region correlation chart of this eNB is sent to adjacent eNB, and receive the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns; Be used for the neighborhood region correlation chart according to adjacent eNB, the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective; Being used for being that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed with state, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and comes into force or invalid.
by as seen above-mentioned, this neighborhood region correlation chart that disposes on eNB in advance of the present invention, when eNB starts, the state of the neighboring BS relationship list item in this eNB is set to pre-effective, set up request message by X2 self neighborhood region correlation chart is sent to adjacent eNB, and receive the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns, neighborhood region correlation chart according to adjacent eNB, the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective, then, be that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state, change to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and come into force or invalid technical scheme, optimized neighbor cell configuration, make switch decision can utilize neighboring BS information accurately, improved the handover success rate of network.
Description of drawings
Fig. 1 is existing LTE schematic network structure;
Fig. 2 is a kind of network self-organization method of the embodiment of the present invention;
The signaling process schematic diagram of the self-organization method when Fig. 3 is embodiment of the present invention eNB1 startup;
Fig. 4 is the signaling process schematic diagram of the self-organization method of the configuration parameter of the residential quarter under embodiment of the present invention eNB1 when changing;
Fig. 5 is the signaling process schematic diagram of the self-organization method of the embodiment of the present invention when working as eNB1 and having new residential quarter to set up;
Fig. 6 is the signaling process figure of the self-organization method of the residential quarter of embodiment of the present invention eNB1 when deleted;
Fig. 7 is the composition structural representation of a kind of eNB of the embodiment of the present invention.
Embodiment
In the present invention: at first according to factors such as networking planning, subdistrict position, special requirements, on eNB in pre-configured eNB and the neighborhood region correlation chart between eNB, but before the residential quarter is set up, relevant neighborhood region correlation chart is invalid, and relevant adjacent cell is connected RRC in the system information that sends with wireless network resource) do not comprise relevant neighboring BS relationship list item in connecting reconfiguration message.After eNB startup, residential quarter are set up, in order to satisfy cell reselection and the switching of carrying out before the eNB screening, it is pre-effective that this eNB arranges the relevant neighboring BS relationship list item in this residential quarter with adjacent eNB, and is connected with RRC in the system information, the changing system information message that send and comprises neighborhood region correlation chart in reconfiguration message, the periodic measurement of notice UE startup to this residential quarter.ENB is follow-up will be screened by certain rule, take determine configuration newly-built residential quarter as adjacent cell whether suitable and whether other residential quarters suitable as the adjacent area of this newly-built residential quarter, if suitable, the relevant neighboring BS relationship list item effect of making a living is set, if improper, it is invalid that relevant neighborhood region correlation chart is set, and is connected in the changing system information message that sends the neighboring BS relationship list item that does not comprise related cell in reconfiguration message with RRC.
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with specific embodiment.
Fig. 2 is a kind of network self-organization method of the embodiment of the present invention.Dispose neighborhood region correlation chart on evolution base station eNB, this neighborhood region correlation chart comprises: the neighboring BS relationship list item in this eNB and the neighboring BS relationship list item between this eNB and adjacent eNB, when initial, the state of all neighboring BS relationship list items is invalid, and as shown in Figure 2, the method comprises:
Flow process shown in Figure 2 has described that eNB starts and the self-organization method when setting up the residential quarter.There is again under the eNB in addition new residential quarter to set up, perhaps has the residential quarter deleted, then or the configuration parameter of built vertical residential quarter when changing, all need to carry out corresponding self-optimizing and process.
Below the further self-organization method of minute scene description LTE network provided by the invention.Here take eNB1 and eNB2 as adjacent base station as example, two adjacent residential quarters are arranged under eNB1, be respectively residential quarter 1 and residential quarter 2, two adjacent residential quarters are also arranged under eNB2, be respectively residential quarter 3 and residential quarter 4, and the residential quarter 1 of eNB1 and adjacent with the residential quarter 3 of eNB2.The upper pre-configured neighborhood region correlation chart of eNB1 is as shown in table 1:
| List item 1 | Residential quarter 1 and residential quarter 2 |
| List item 2 | Residential quarter 1 and residential quarter 3 |
Table 1
In table 1, list item 1 is the neighboring BS relationship list item in eNB1, and list item 2 is the neighboring BS relationship list items between eNB1 and eNB2.
The upper pre-configured neighborhood region correlation chart of eNB2 is as shown in table 2:
| List item 1 | Residential quarter 3 and residential quarter 4 |
| List item 2 | Residential quarter 1 and residential quarter 3 |
Table 2
In table 2, list item 1 is the neighboring BS relationship list item in eNB2, and list item 2 is the neighboring BS relationship list items between eNB2 and eNB1.
1, eNB1 starts
The signaling process schematic diagram of the self-organization method when Fig. 3 is embodiment of the present invention eNB1 startup.ENB2 starts, and as shown in Figure 3, the signaling process when eNB1 starts comprises the following steps:
Step 301, eNB1 starts, and set up residential quarter 1 and residential quarter 2, eNB1 is set to the neighboring BS relationship list item in this eNB (i.e. list item in table 1 1) pre-effective, and comprises neighboring BS relationship list item (i.e. list item in table 1 1) in this eNB in the system information that sends.
Step 302, eNB1 notifies the neighborhood region correlation chart in this eNB (i.e. table 1) to adjacent eNB2 by X2 foundation request (X2SETUPREQUEST) message of X2 interface.
Step 303 is after eNB2 receives X2 and sets up request message, according to configuration information and the neighborhood region correlation chart of wherein content update self.
In this step, configuration information comprises: Tracking Area Code (TAC, Tracking AreaCode), frequency (EARFCN) and transmission bandwidth etc.ENB2 is set to the list item 2 in table 2 pre-effective, and before because residential quarter 1 is not set up, so the state of this list item 2 is invalid.
Step 304, eNB2 replys to eNB1 the X2 request of setting up comprise self configuration information and neighborhood region correlation chart and confirms (X2SETUP REQUEST ACKNOWLEDGE) message.
Step 305, eNB2 carries out self-optimizing to be processed, and screens the adjacent area.Be specially: eNB2 is that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to the state in self adjacent area state table, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with state and comes into force or invalid.
Step 306 is after eNB1 receives X2 and sets up the request acknowledge message, according to configuration information and the neighborhood region correlation chart of wherein content update self.
In this step, eNB1 is set to the list item 2 in self neighborhood region correlation chart pre-effective.
Step 307, eNB1 carries out self-optimizing to be processed, and screens the adjacent area.Be specially: eNB1 is that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to the state in self adjacent area state table, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with state and comes into force or invalid.
In this step, eNB1 can adopt prior art that the relevant represented neighboring BS relationship of neighboring BS relationship list item is assessed, perhaps eNB1 also can be in the following way, and: eNB1 notifies that under this eNB, the UE in the residential quarter carries out periodic measurement to the position of self and the signal strength signal intensity of residential quarter, place, and for example eNB1 can connect reconfiguration message notice UE by RRC; Then, each cell signal strength that the measurement report that eNB1 periodically reports according to each UE reflects, UE positional information and in conjunction with cell load information, be that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state, if suitable, the relevant neighboring BS relationship list item effect of making a living is set, if be not suitable for, it is invalid that relevant neighboring BS relationship list item is set, and is connected with RRC in the changing system information message that resends and does not comprise this neighboring BS relationship list item in reconfiguration message.
2, the configuration parameter of residential quarter changes
Fig. 4 is the signaling process schematic diagram of the self-organization method of the configuration parameter of the residential quarter under embodiment of the present invention eNB1 when changing.As shown in Figure 4, comprise the following steps:
Step 401, the configuration parameter of certain residential quarter under eNB1 changes, and establishing here is that the configuration parameter of residential quarter 1 changes.
Step 402, if when the configuration parameter that changes only relates to configuration parameter in the residential quarter, described eNB1 upgrades the cell configuration parameter of self;
If be that the configuration parameter that changes in this step only relates to the interior configuration parameter in residential quarter 1, such as the parameter that system informations such as only relating to residential quarter selection information is correlated with, eNB 1 upgrades the configuration parameter of residential quarter 1 according to the configuration parameter after changing.
Step 403, if the configuration parameter that changes relates to adjacent eNB2, eNB1 is by base station configuration updating (eNB CONFIGURATION UPDATE) message informing adjacent eNB 2.
In this step, the configuration parameter that relates to the adjacent area of adjacent eNB comprises: TAC, frequency, transmission bandwidth etc.
Step 404, eNB2 is according to the cell parameter configuration information of the information updating that receives self.
Step 405, after configuration information update was completed, eNB2 confirmed (eNB CONFIGURATION UPDATE ACKNOWLEDGE) message to the base station configuration updating that eNB1 returns.
3, there is new residential quarter to set up
Fig. 5 is the signaling process schematic diagram of the self-organization method of the embodiment of the present invention when working as eNB1 and having new residential quarter to set up.As shown in Figure 2, comprise the following steps:
Step 501, eNB1 has new residential quarter to set up.
In this step, can set up new residential quarter by the new residential quarter of Operation and Maintenance (OM) system made or by injecting integrated circuit board.
Step 502, eNB1 upgrades community configured information, and in order to satisfy cell reselection and the switching of carrying out before eNB1 residential quarter screening, the state that eNB1 comprises the neighboring BS relationship list item of this newly-built residential quarter is set to pre-effective, and is connected with RRC in the system information, the changing system information message that send and comprises this neighboring BS relationship list item in reconfiguration message.
Step 503, eNB1 carries out self-optimizing, screens the adjacent area.
In this step, eNB1 assesses the represented neighboring BS relationship of neighboring BS relationship list item that comprises this newly-built residential quarter, and the state that will comprise the neighboring BS relationship list item of this newly-built residential quarter according to assessment result changes to and comes into force or invalid.Concrete assessment mode can for: eNB1 notice UE starts periodic measurement is carried out in the position of self and the signal strength signal intensity of residential quarter, place, and wherein, RRC connects the reconfiguration message configuration UE periodic measurement is carried out in the residential quarter; Afterwards, signal strength signal intensity, the UE position of eNB1 each residential quarter that report reflects according to the periodic measurement of UE and assess in conjunction with information such as cell loads.If suitable, be set to come into force, if improper, it is invalid to be set to, and is connected in the changing system information message that resends the neighboring BS relationship list item information that does not comprise related cell in reallocation message with RRC.
Step 504, eNB1 sends base station configuration updating information by X2 interface to adjacent eNB2.
Step 505, eNB2 upgrades configuration information and the neighborhood region correlation chart of self.
Step 506, the base station configuration updating acknowledge message that eNB2 returns to eNB1
Step 507, eNB2 carries out self-optimizing, screens the adjacent area.ENB2 carries out self-optimizing, and the mode of screening the adjacent area is identical with eNB1.
4, residential quarter deletion
Fig. 6 is the signaling process figure of the self-organization method of the residential quarter of embodiment of the present invention eNB1 when deleted.As shown in Figure 6, comprise the following steps:
Step 601, certain residential quarter under eNB1 is deleted, namely deletes the residential quarter or deletes the residential quarter by extracting integrated circuit board by OM.
Step 602, eNB1 upgrades configuration information and the neighborhood region correlation chart of self.
In this step, it is invalid that the state that eNB1 comprises the neighboring BS relationship list item of deleted residential quarter is set to, and triggers the changing system information message of adjacent area.
Step 603, eNB1 notifies adjacent eNB2 by base station configuration updating information.
Step 604, eNB2 upgrades configuration information and the neighborhood region correlation chart of self.
In this step, it is invalid that the state of the neighboring BS relationship list item that comprises deleted residential quarter in eNB2 self neighborhood region correlation chart is set to, and triggers the changing system information message of adjacent area, and notice UE stops the measurement to this deleted residential quarter.
Step 605, eNB2 returns to the base station configuration updating acknowledge message to eNB1.
In the embodiment of the present invention, when the load in the residential quarter under eNB1 surpassed default thresholding, it is invalid that the state that eNB1 also comprises the neighboring BS relationship list item of this residential quarter is set to, and carry out the process after above-mentioned steps 602; Perhaps, when continuous a plurality of cycles of the UE in the residential quarter under eNB1 show that in measurement report the signal of this residential quarter is weaker than default thresholding, it is invalid that the state that eNB1 also comprises the neighboring BS relationship list item of this residential quarter is set to, and carry out the process after above-mentioned step 602.
Based on above-described embodiment, next provide the composition structure of a kind of eNB in the present invention.
Fig. 7 is the composition structural representation of a kind of eNB of the embodiment of the present invention.As shown in Figure 7, this eNB comprises: memory module 701 and self-optimizing module 702, wherein,
Self-optimizing module 702, when being used for this eNB startup, the state of the neighboring BS relationship list item in this eNB is set to pre-effective; Be used for setting up request message by X2 the neighborhood region correlation chart of this eNB is sent to adjacent eNB, and receive the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns; Be used for the neighborhood region correlation chart according to adjacent eNB, the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective; Being used for being that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed with state, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and comes into force or invalid.
In eNB as shown in Figure 7, described self-optimizing module 702, under this eNB, the UE in the residential quarter carries out periodic measurement to the position of self and the signal strength signal intensity of residential quarter, place for notifying, each cell signal strength that the measurement report that periodically reports according to each UE reflects, UE positional information and in conjunction with cell load information are that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state.
In eNB as shown in Figure 7, described self-optimizing module 702 is further used for when described eNB has new residential quarter to set up, and the state that comprises the neighboring BS relationship list item of this newly-built residential quarter is set to pre-effective; The represented neighboring BS relationship of neighboring BS relationship list item that comprises this newly-built residential quarter is assessed, and the state that will comprise the neighboring BS relationship list item of this newly-built residential quarter according to assessment result changes to and comes into force or invalid; Send base station configuration updating information by X2 interface to adjacent eNB, upgrade the neighborhood region correlation chart of self with the notice adjacent eNB, and receive the base station configuration updating acknowledge message that adjacent eNB is returned.
In eNB as shown in Figure 7, when the cell configuration parameter of this eNB changed, described self-optimizing module 702 was further used for upgrading the cell configuration parameter of described eNB when the configuration parameter that changes only relates to configuration parameter in the residential quarter; When the configuration parameter that changes relates to the adjacent eNB of described eNB, notify adjacent eNB by base station configuration updating information, and receive the base station configuration updating acknowledge message that adjacent eNB is returned after the configuration information that upgrades self.
In eNB as shown in Figure 7, described self-optimizing module 702, be further used for residential quarter under described eNB when deleted, it is invalid that the state that comprises the neighboring BS relationship list item of deleted residential quarter is set to, perhaps, when the load in the residential quarter under described eNB surpasses default thresholding, it is invalid that the state that comprises the neighboring BS relationship list item of this residential quarter is set to, perhaps, when continuous a plurality of cycles of the UE in the residential quarter under described eNB showed that in measurement report the signal of this residential quarter is weaker than default thresholding, it is invalid that the state that comprises the neighboring BS relationship list item of this residential quarter is set to; Then, notify adjacent eNB by base station configuration updating information, and receive the base station configuration updating acknowledge message that adjacent eNB is returned after the neighborhood region correlation chart that upgrades self.
By as seen above-mentioned, the invention provides the technical scheme of the self-optimizing of a kind of LTE system, this scheme has been optimized neighbor cell configuration, makes switch decision can utilize neighboring BS information accurately, has improved the handover success rate of network, has improved performance of handoffs.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. network self-organization method, it is characterized in that, dispose neighborhood region correlation chart on evolution base station eNB, this neighborhood region correlation chart comprises: the neighboring BS relationship list item in this eNB and the neighboring BS relationship list item between this eNB and adjacent eNB, when initial, the state of all neighboring BS relationship list items is invalid, and the method comprises:
When described eNB started, the state of the neighboring BS relationship list item in this eNB was set to pre-effective;
Described eNB sets up request message by X2 self neighborhood region correlation chart is sent to adjacent eNB, and receives the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns;
Described eNB is according to the neighborhood region correlation chart of adjacent eNB, and the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective;
Described eNB is that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and comes into force or invalid;
The method further comprises: for each neighboring BS relationship list item,
When being invalid, described eNB does not comprise this neighboring BS relationship list item in the system information, changing system information message and the radio resource control RRC connection reconfiguration message that send when the state of this neighboring BS relationship list item;
When being pre-effective, described eNB comprises this neighboring BS relationship list item in the system information, changing system information message and the radio resource control RRC connection reconfiguration message that send when the state of this neighboring BS relationship list item.
2. method according to claim 1, is characterized in that, described eNB is that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed and comprised to state:
Described eNB notifies that under this eNB, the UE in the residential quarter carries out periodic measurement to the position of self and the signal strength signal intensity of residential quarter, place;
Each cell signal strength that the measurement report that described eNB periodically reports according to each UE reflects, UE positional information and in conjunction with cell load information are that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state.
3. method according to claim 1, is characterized in that, when described eNB had new residential quarter to set up, the method further comprised:
The state that described eNB comprises the neighboring BS relationship list item of this newly-built residential quarter is set to pre-effective;
Described eNB assesses the represented neighboring BS relationship of neighboring BS relationship list item that comprises this newly-built residential quarter, and the state that will comprise the neighboring BS relationship list item of this newly-built residential quarter according to assessment result changes to and comes into force or invalid;
Described eNB sends base station configuration updating information by X2 interface to adjacent eNB, upgrades the neighborhood region correlation chart of self with the notice adjacent eNB, and receives the base station configuration updating acknowledge message that adjacent eNB is returned.
4. method according to claim 1, is characterized in that, when the cell configuration parameter of described eNB changed, the method further comprised:
When the configuration parameter that changes only related to configuration parameter in the residential quarter, described eNB upgraded the cell configuration parameter of self;
When the configuration parameter that changes related to adjacent eNB, described eNB notified adjacent eNB by base station configuration updating information, and received the base station configuration updating acknowledge message that adjacent eNB is returned after the configuration information that upgrades self.
5. method according to claim 1, is characterized in that, the method further comprises:
When the residential quarter under described eNB was deleted, it is invalid that the state that described eNB comprises the neighboring BS relationship list item of deleted residential quarter is set to; Perhaps, when the load in the residential quarter under described eNB surpassed default thresholding, it is invalid that the state that described eNB comprises the neighboring BS relationship list item of this residential quarter is set to; Perhaps, when continuous a plurality of cycles of the UE in the residential quarter under described eNB showed that in measurement report the signal of this residential quarter is weaker than default thresholding, it is invalid that the state that described eNB comprises the neighboring BS relationship list item of this residential quarter is set to;
Then, described eNB notifies adjacent eNB by base station configuration updating information, and receives the base station configuration updating acknowledge message that adjacent eNB is returned after the neighborhood region correlation chart that upgrades self.
6. an evolution base station eNB, is characterized in that, this eNB comprises: memory module and self-optimizing module, wherein,
Memory module is used for preserving neighborhood region correlation chart; This neighborhood region correlation chart comprises: the neighboring BS relationship list item in this eNB and the neighboring BS relationship list item between this eNB and adjacent eNB, when initial the state of all neighboring BS relationship list items be invalid;
The self-optimizing module, when being used for this eNB startup, the state of the neighboring BS relationship list item in this eNB is set to pre-effective; Be used for setting up request message by X2 the neighborhood region correlation chart of this eNB is sent to adjacent eNB, and receive the neighborhood region correlation chart of this adjacent eNB that adjacent eNB returns; Be used for the neighborhood region correlation chart according to adjacent eNB, the state of the neighboring BS relationship list item between this eNB and adjacent eNB is set to pre-effective; Being used for being that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed with state, changes to according to the assessment result state that is pre-effective neighboring BS relationship list item with this state and comes into force or invalid;
Wherein, for each neighboring BS relationship list item,
When being invalid, this eNB does not comprise this neighboring BS relationship list item in the system information, changing system information message and the radio resource control RRC connection reconfiguration message that send when the state of this neighboring BS relationship list item;
When being pre-effective, this eNB comprises this neighboring BS relationship list item in the system information, changing system information message and the radio resource control RRC connection reconfiguration message that send when the state of this neighboring BS relationship list item.
7. eNB according to claim 6, is characterized in that,
Described self-optimizing module, under this eNB, the UE in the residential quarter carries out periodic measurement to the position of self and the signal strength signal intensity of residential quarter, place for notifying, each cell signal strength that the measurement report that periodically reports according to each UE reflects, UE positional information and in conjunction with cell load information are that the pre-effective represented neighboring BS relationship of neighboring BS relationship list item is assessed to state.
8. eNB according to claim 6, is characterized in that,
Described self-optimizing module is further used for when described eNB has new residential quarter to set up, and the state that comprises the neighboring BS relationship list item of this newly-built residential quarter is set to pre-effective; The represented neighboring BS relationship of neighboring BS relationship list item that comprises this newly-built residential quarter is assessed, and the state that will comprise the neighboring BS relationship list item of this newly-built residential quarter according to assessment result changes to and comes into force or invalid; Send base station configuration updating information by X2 interface to adjacent eNB, upgrade the neighborhood region correlation chart of self with the notice adjacent eNB, and receive the base station configuration updating acknowledge message that adjacent eNB is returned.
9. eNB according to claim 6, is characterized in that, when the cell configuration parameter of described eNB changes,
Described self-optimizing module is further used for upgrading the cell configuration parameter of described eNB when the configuration parameter that changes only relates to configuration parameter in the residential quarter; When the configuration parameter that changes relates to the adjacent eNB of described eNB, notify adjacent eNB by base station configuration updating information, and receive the base station configuration updating acknowledge message that adjacent eNB is returned after the configuration information that upgrades self.
10. eNB according to claim 6, is characterized in that,
Described self-optimizing module, be further used for residential quarter under described eNB when deleted, it is invalid that the state that comprises the neighboring BS relationship list item of deleted residential quarter is set to, perhaps, when the load in the residential quarter under described eNB surpasses default thresholding, it is invalid that the state that comprises the neighboring BS relationship list item of this residential quarter is set to, perhaps, when continuous a plurality of cycles of the UE in the residential quarter under described eNB showed that in measurement report the signal of this residential quarter is weaker than default thresholding, it is invalid that the state that comprises the neighboring BS relationship list item of this residential quarter is set to; Then, notify adjacent eNB by base station configuration updating information, and receive the base station configuration updating acknowledge message that adjacent eNB is returned after the neighborhood region correlation chart that upgrades self.
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| CN102572769B (en) * | 2010-12-31 | 2016-08-03 | 中兴通讯股份有限公司 | Automatic neighbor cell list maintenance method and system |
| JP5817051B2 (en) | 2011-07-13 | 2015-11-18 | ▲ホア▼▲ウェイ▼技術有限公司 | Method, base station, and communication system for establishing an X2 connection between base stations |
| CN102917379B (en) * | 2011-08-04 | 2017-09-26 | 南京中兴软件有限责任公司 | Load information interactive method and system |
| CN102333339B (en) * | 2011-09-22 | 2015-07-08 | 华为技术有限公司 | Calibration method and device of coverage database |
| CN103458473B (en) * | 2012-05-29 | 2016-08-24 | 广东技术师范学院 | A kind of neighbor cell optimizing method and Neighborhood Optimization device |
| CN103002009B (en) * | 2012-09-29 | 2015-09-16 | 深圳友讯达科技股份有限公司 | The method for building up of adjacent node relation in a kind of mesh network |
| KR101677524B1 (en) * | 2013-01-30 | 2016-11-18 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Method, base station, and network system for automatic x2 configuration deletion |
| CN104105145B (en) * | 2013-04-01 | 2017-07-14 | 电信科学技术研究院 | Method for user device switching, apparatus and system during a kind of base station configuration change |
| CN103369572A (en) * | 2013-07-26 | 2013-10-23 | 厦门大学 | Load-based automatic neighbor relation (ANR) optimizing method in long-term evolution system |
| ES2864900T3 (en) | 2014-09-08 | 2021-10-14 | Nokia Solutions & Networks Oy | Scoring method and system for robust verification of configuration actions |
| CN110545560B (en) * | 2018-05-29 | 2020-11-17 | 维沃移动通信有限公司 | Switching method, device and storage medium |
| CN111356164A (en) * | 2018-12-21 | 2020-06-30 | 海能达通信股份有限公司 | Adjacent cell configuration error correction method in LTE network, related equipment and system |
| CN113473503B (en) * | 2020-08-27 | 2024-02-02 | 几维通信技术(深圳)有限公司 | NAS-based network parameter optimization processing system, terminal equipment and optimization method |
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