CN102045689A - Method and device for obtaining mobility parameter of adjacent district - Google Patents
Method and device for obtaining mobility parameter of adjacent district Download PDFInfo
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- CN102045689A CN102045689A CN2009102054700A CN200910205470A CN102045689A CN 102045689 A CN102045689 A CN 102045689A CN 2009102054700 A CN2009102054700 A CN 2009102054700A CN 200910205470 A CN200910205470 A CN 200910205470A CN 102045689 A CN102045689 A CN 102045689A
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Abstract
The invention discloses a method and device for obtaining a mobility parameter of an adjacent district. The method comprises the steps: a base station transmits mobility parameter requesting information to a network management system to request the related information of the mobility parameter of the adjacent district of the current district affiliated to the base station; and the base station receives mobility parameter responding information of the related information carrying the mobility parameter of the adjacent district from the network management system. According to the technical scheme, when the mobility parameter of the current district is modified, the invention guarantees the coordination between the mobility parameter of the current district and the mobility parameter of the adjacent district, thereby avoiding the status such as ping-pong switching, and the like.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of mobility parameter acquiring method and device of neighbor cell.
Background technology
The Long Term Evolution of 3G (Third Generation) Moblie (Long Term Evolution, abbreviating LTE as) network is by universal land radio access web (the Evolved Universal Terrestrial Radio Access Network of evolution, abbreviate E-UTRAN as) and block core (Evolved Packet Core the abbreviates EPC as) net of evolution form.E-UTRAN comprises base station (the Evolved NodeB of evolution, abbreviate eNB as) set, EPC comprises mobile management entity (Mobile Management Entity abbreviates MME as) and gateway (Serving Gateway, abbreviate S-GW as) etc., network architecture flattening.ENB is connected by the S1 interface with MME/S-GW, can connect by X2 interface between the eNB.S1, X2 are logic interfacing.A MME/S-GW can manage one or more eNB, and an eNB also can be controlled by a plurality of MME/S-GW.An eNB can manage one or more sub-districts.Advanced LTE (LTE Advanced abbreviates LTE-A as) system is by the LTE system evolved, and the network architecture is consistent with LTE.In LTE-A, adopted some to come the enhanced system performance as the new technology of coordinate multipoint (Coordinated Multipoint abbreviates CoMP as), spectrum aggregating and Relay.
In order to reduce the cost of networking and operation, the trend of next generation mobile networks must be self-configuring, self-optimizing, with manual intervention less and less, therefore self-organizing network (Self-Organized Network has been proposed, abbreviate SON as) notion, SON comprises mobile load balancing optimization (Mobility Load balancing optimization abbreviates MLB as), mobile robustness optimization contents such as (Mobility robustness optimization abbreviate MRO as).
Carry out above-mentioned MLB and MRO etc. and optimize action, need make amendment the mobility parameter of certain sub-district.Yet, if this modification is to carry out separately under the situation of the mobility parameter of not understanding neighbor cell in advance and/or allowed band, cause the mobility parameter of neighbor cell inharmonious possibly, for example, take place that table tennis switches etc.Therefore, if current area is carried out before the mobility parameter modification, can learn the mobility parameter and/or the allowed band of neighbor cell in advance, then can calculate currently when the cell mobility parameter is made an amendment, whether also need its neighbor cell to make adaptability revision.If neighbor cell need be made adaptability revision, should consider also that then this adaptability revision is whether in the allowed band of neighbor cell mobility parameter.When the adaptability revision that need make when the neighbor cell that calculates has exceeded allowed band, then can reduce amplitude to current area mobility parameter modification, so that the adaptability revision that the neighbor cell that newly draws after calculating need be made can not exceed its allowed band, perhaps also can abandon the modification that this carries out the mobility parameter of current area and neighbor cell.
Therefore, obtain adjacent area mobility parameter and/or allowed band, so that optimizations such as MLB and MRO actions can be guaranteed with the coordination of the mobility parameter of neighbor cell is most important when the mobility parameter of sub-district is made amendment.
Yet, in the correlation technique, also lack the scheme of obtaining adjacent area mobility parameter and/or allowed band.
Summary of the invention
At the scheme of obtaining adjacent area mobility parameter and/or allowed band in the correlation technique owing to shortage, and cause when the mobility parameter of sub-district is made amendment, can't guaranteeing the problem of coordinating mutually with the mobility parameter of neighbor cell and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of improved neighbor cell mobility parameter acquiring method and system, one of to address the above problem at least.
A kind of mobility parameter acquiring method of neighbor cell is provided according to an aspect of the present invention.
Mobility parameter acquiring method according to neighbor cell of the present invention comprises; The base station sends mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of the current area of asking described base station subordinate; The base station receives the mobility parameter response message of the mobility parameter correlation information of carrying described neighbor cell that comes from described network management system.
A kind of mobility parameter obtaining device of neighbor cell is provided according to a further aspect in the invention.
Mobility parameter obtaining device according to neighbor cell of the present invention comprises: transmitting element is used for sending mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of the current area of asking described base station subordinate; Receiving element is used to receive the mobility parameter response message that comes from the described mobility parameter correlation of carrying of described network management system information.
By the present invention, the base station sends mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of the current area of asking described base station subordinate; The base station receives the mobility parameter response message that comes from the described mobility parameter correlation of carrying of described network management system information.Solved in the correlation technique owing to lack the scheme of obtaining adjacent area mobility parameter and/or allowed band, and cause when the mobility parameter of sub-district is made amendment, can't guaranteeing the problem coordinated mutually with the mobility parameter of neighbor cell, and then can be when the mobility parameter of current area be made amendment, guarantee the coordination of the mobility parameter of current area and neighbor cell, avoid taking place situations such as table tennis switching.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the mobility parameter acquiring method of the neighbor cell of the embodiment of the invention;
Fig. 2 is the schematic flow sheet of mobility parameter request and response according to the preferred embodiment of the invention;
Fig. 3 is the schematic flow sheet of mobility parameter modification notice according to the preferred embodiment of the invention;
Fig. 4 is the schematic flow sheet of mobility reporting parameters according to the preferred embodiment of the invention;
Fig. 5 is the schematic flow sheet of mobility parameter update notice according to the preferred embodiment of the invention;
Fig. 6 is the structured flowchart of the mobility parameter obtaining device of neighbor cell according to the preferred embodiment of the invention;
Fig. 7 is the structured flowchart of the mobility parameter obtaining device of neighbor cell according to the preferred embodiment of the invention.
Embodiment
Functional overview
The embodiment of the invention provides a kind of mobility parameter acquiring method and device of neighbor cell, and when optimization actions such as carrying out MLB and MRO need be carried out the mobility parameter modification to the sub-district, base station (eNB) (was Operation ﹠amp to network management system in advance; Maintenance abbreviates O﹠amp as; M) send mobility parameter request message, this requested content comprises the mobility parameter and/or the allowed band of neighbor cell.After network management system receives mobility parameter request message, reply mobility parameter response message, wherein, carry the mobility parameter and/or the allowed band of the neighbor cell of being asked in this response message.
After the base station receives mobility parameter response message, the mobility parameter of neighbor cell and/or modification allowed band are kept at this locality, whether the modification of wishing to make according to the mobility parameter of current area, to current area mobility parameter, and the mobility parameter of neighbor cell and/or revise information such as allowed band, calculating needs the mobility of its neighbor cell parameter to make adaptability revision.If neighbor cell need be made adaptability revision, should consider also that then this followability modification must be in the allowed band of neighbor cell mobility parameter.And the adaptability revision that need make when the neighbor cell that calculates is when having exceeded allowed band, then can reduce amplitude to current area mobility parameter modification, can not exceed its allowed band so that the followability that the neighbor cell that newly draws after calculating need be made is revised, can abandon the mobility parameter modification of this current area and neighbor cell yet.When the final decision neighbor cell need be made the followability modification, current eNB sent mobility parameter modification notification message to relevant in abutting connection with eNB, and modified notification message is drawn together the amplitude of new mobility parameter of neighbor cell or mobility parameter modification.Relevant receive mobility parameter modification notification message in abutting connection with eNB after, according to the amplitude of new mobility parameter of the neighbor cell that comprises or mobility parameter modification this is relevantly carried out the modification of mobility parameter in abutting connection with eNB subordinate's related cell.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to the embodiment of the invention, at first provide a kind of mobility parameter acquiring method of neighbor cell.
Fig. 1 is the flow chart according to the mobility parameter acquiring method of the neighbor cell of the embodiment of the invention.
As shown in Figure 1, the mobility parameter acquiring method according to the neighbor cell of the embodiment of the invention comprises following processing (step S101-step S103):
Step S101: the base station sends mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of request base station subordinate's current area;
Preferably, above-mentioned mobility parameter correlation information comprise following one of at least: the mobility parameter information of neighbor cell; The modification allowed band information of the mobility parameter of neighbor cell.
Wherein, the mobility parameter in the said method can be the combination in any of following each parameter according to the specific implementation needs.Particularly, the mobility parameter can be divided into following two classes:
The first kind: switching-related parameters comprises:
(1) the frequency particular offset of service frequency (frequency specific offset of the serving frequency abbreviates Ofs as);
(2) the frequency particular offset of adjacent area frequency (frequency specific offset of the frequency of the neighbour cell abbreviates Ofh as);
(3) cell specific offset of Serving cell (cell specific offset of the serving cell abbreviates Ocs as);
(4) cell specific offset of abutting subdistrict (cell specific offset of the neighbour cell abbreviates Ocn as);
(5) the sluggish parameter of A1 incident (hysteresis parameter for event A1 abbreviates HysA1 as);
(6) threshold parameter of A1 incident (threshold parameter for event A1 abbreviates ThreshA1 as);
(7) the sluggish parameter of A2 incident (hysteresis parameter for event A2 abbreviates HysA2 as);
(8) threshold parameter of A2 incident (threshold parameter for event A2 abbreviates ThreshA2 as);
(9) offset parameter of A3 incident (offset parameter for this event A3 abbreviates OffA3 as);
(10) the sluggish parameter of A3 incident (hysteresis parameter for this event A3 abbreviates HysA3 as);
(11) the sluggish parameter of A4 incident (hysteresis parameter for event A4 abbreviates HysA4 as);
(12) threshold parameter of A4 incident (threshold parameter for event A4 abbreviates ThreshA4 as);
(13) the sluggish parameter of A5 incident (hysteresis parameter for event A5 abbreviates HysA5 as);
(14) threshold parameter 1 of A5 incident (threshold parameter 1for event A5 abbreviates Thresh1A5 as);
(15) threshold parameter 2 of A5 incident (threshold parameter 2for event A5 abbreviates Thresh2A5 as);
Second class: gravity treatment relevant parameter in sub-district comprises:
(1) (parameter specifies the offset between the two cells abbreviates Qoffsets as, n) to the parameter of two minizone skews of standard;
(2) the frequency particular offset of the E-UTRAN frequency of equal priority (frequency specific offset for equal priority E-UTRAN frequencies abbreviates Qoffsetfrequency as);
(3) parameter of the hysteresis of standard grading standard (parameter specifies the hysteresis value for ranking criteria abbreviates Qhyst as).
Step S103: the base station receives the mobility parameter response message of the mobility parameter correlation information of carrying neighbor cell that comes from network management system.
Wherein, the schematic diagram that step S101 combines with step S103 specifically can be referring to Fig. 2.
Fig. 2 is the schematic flow sheet of mobility parameter request and response according to the preferred embodiment of the invention.As shown in Figure 2, this flow process mainly comprises following processing:
Step S201: need carry out mobility parameter (for example, current area is to the Ocn of neighbor cell) when revising to the sub-district when optimizations such as MLB and MRO action, eNB passes through the ltf-S interface in advance to O﹠amp; M sends mobility parameter request message, and request content comprises the mobility parameter and/or the allowed band of neighbor cell;
Step S203:O﹠amp; After M receives mobility parameter request message, inquiry obtains the mobility parameter and/or the allowed band of the neighbor cell of being asked the mobility parameter of the sub-district of preserving from this locality and/or the allowed band, and time mobility parameter response message, the mobility parameter and/or the allowed band of carrying the neighbor cell of being asked in the response message.
Preferably, the mobility parameter information of the neighbor cell that the network management system of mentioning among Fig. 1 and Fig. 2 is preserved in advance can obtain in the following manner: network management system receives and comes from the mobility reporting parameters message that the base station reports, wherein, mobility reporting parameters message carries the up-to-date mobility parameter information of this base station subordinate's sub-district; Network management system is stored up-to-date mobility parameter information.
Preferably, the modification allowed band information that the network management system of mentioning among Fig. 1 and Fig. 2 is preserved is in advance obtained by one of following mode: the self-organizing network functional entity that (1) is positioned at the base station obtains by calculating revises allowed band information, and will revise allowed band information and be sent to network management system; (2) the self-organizing network functional entity that is positioned at network management system obtains the allowed band information of revising by calculating.
Preferably, after the base station reception came from the mobility parameter response message of network management system, method also comprised following processing:
(1) the mobility parameter correlation information that gets access to is stored in the base station;
(2) base station treats that according to mobility parameter information, the parameter of current area the mobility parameter correlation information of modification information, neighbor cell judges, judges whether to need to revise the mobility parameter of neighbor cell.
Preferably, revise at needs under the situation of mobility parameter of one or more neighbor cells, method also comprises following processing: judge that according to the information of revising allowed band this revises whether in revising allowed band; If not, then abandon this modification, perhaps, adjust modification amplitude, so that being modified in of mobility parameter of neighbor cell revised in the allowed band the mobility parameter of current area.
Preferably, when this is modified under the situation about revising in the allowed band, can comprise following processing: the base station under the neighbor cell receives the amendment advice message of the mobility parameter that comes from the base station, wherein, modified notification message draw together following one of at least: the mobility parameter information that needs to upgrade, need the mobility parameter amplitude revised; The mobility parameter information that base station under the neighbor cell is upgraded as required, and/or, need the mobility parameter amplitude adjusted, the mobility parameter of subordinate's neighbor cell is made amendment.Specifically can be referring to Fig. 3.
Fig. 3 is the schematic flow sheet of mobility parameter modification notice according to the preferred embodiment of the invention.As shown in Figure 3, this flow process comprises following processing: the eNB under the current area sends mobility parameter modification notification message to relevant in abutting connection with eNB.
Preferably, after eNB receives mobility parameter response message, the mobility parameter and/or the allowed band of neighbor cell (relevant adjacent area) are kept at this locality, whether the modification of wishing to make according to the mobility parameter of current area, to current area mobility parameter, and information such as the mobility parameter of neighbor cell and/or allowed band, calculating needs the mobility of its neighbor cell parameter (as the Ocn of neighbor cell to current area) to make adaptability revision.
If neighbor cell need be made adaptability revision, should consider also that then this followability modification must be in the allowed band of neighbor cell mobility parameter.And the followability that need make when the neighbor cell that calculates is revised when having exceeded allowed band, then can reduce amplitude to current area mobility parameter modification, can not exceed its allowed band so that the followability that the neighbor cell that newly draws after calculating need be made is revised, can abandon the mobility parameter modification of this current area and neighbor cell yet.
Revise the mobility parameter of current area.When the final decision neighbor cell need be made the followability modification, current eNB sends mobility parameter modification notification message to relevant in abutting connection with eNB by X2 or S1 interface, and modified notification message is drawn together the amplitude of new mobility parameter of neighbor cell and/or mobility parameter modification.
Relevant receive mobility parameter modification notification message in abutting connection with eNB after, according to the amplitude of new mobility parameter of the neighbor cell that comprises and/or mobility parameter modification this is relevantly carried out the modification of mobility parameter in abutting connection with eNB subordinate's related cell.
Preferably, because optimizations such as MLB and MRO are moved when being modified, eNB is to O﹠amp when the mobility parameter in the sub-district; M sends mobility reporting parameters message, the mobility reporting parameters O﹠amp that the sub-district is new; M specifically can be referring to Fig. 4.
Fig. 4 is the schematic flow sheet of mobility reporting parameters according to the preferred embodiment of the invention.As shown in Figure 4, the O﹠amp that in step S203 among Fig. 2, describes; The mobility parameter and/or the allowed band of the sub-district of preserving among the M, wherein, the mobility parameter of sub-district is reported by eNB, and the allowed band of cell mobility parameter can be by being positioned at O﹠amp; The SON functional entity of M calculates, and also can be calculated by the SON functional entity that is positioned at eNB.If the allowed band of cell mobility parameter is by being positioned at O﹠amp; The SON functional entity of M calculates, then the mobility parameter report process as follows:
(1) when the mobility parameter in the sub-district was modified owing to optimizations such as MLB and MRO action, eNB passed through the Itf-S interface to O﹠amp; M sends mobility reporting parameters message, and reporting message comprises the mobility parameter that the sub-district is new.
(2) after network management system received mobility reporting parameters message, the mobility parameter new the sub-district that comprises in the message was kept at this locality.
Preferably, if the allowed band of cell mobility parameter is to be calculated by the SON functional entity that is positioned at eNB, then above-mentioned eNB is to O﹠amp; In the mobility reporting parameters message that M sends, also comprise the allowed band of cell mobility parameter, and by O﹠amp; M is saved in this locality.
Preferably, network management system receives and to come from after the mobility reporting parameters message that the base station reports, and can also comprise following processing:
(1) network management system is according to the information of the sub-district of the modification mobility parameter of carrying in the adjacent area correspondence relationship information of preserving in advance, the mobility reporting parameters message, obtains the information of base station under the information of neighbor cell of the sub-district of revising the mobility parameter and this neighbor cell;
(2) network management system is sent to base station under this neighbor cell with mobility parameter update message, and wherein, mobility parameter update message carries the information of the sub-district of revising the mobility parameter.
Said process specifically can be referring to Fig. 5.Fig. 5 is the schematic flow sheet of mobility parameter update notice according to the preferred embodiment of the invention.As shown in Figure 5, the mobility parameter of Miao Shuing reports after the process in the above-described embodiments, can trigger a mobility parameter update notification procedure, this mobility parameter update notification procedure can be with the eNB of mobility parameter update advisory under the adjacent area of the sub-district that the mobility parameter is modified.Concrete mobility parameter update notification procedure is as follows:
(1) works as O﹠amp; When M receives the mobility reporting parameters message of eNB, the sub-district, the O﹠amp that are modified according to the mobility parameter that comprises in the reporting message; Information such as the neighborhood region correlation chart of preserving among the M obtain involved adjacent area and the affiliated eNB in above-mentioned adjacent area in sub-district that the mobility parameter is modified.
(2) O﹠amp; M can send mobility parameter update notification message (by the Itf-S interface) to the affiliated eNB of each related adjacent area, and update notification message comprises the sub-district (being the neighbor cell of the related cell under the purpose eNB) that the pairing relevant mobility parameter of affiliated eNB (being the purpose eNB of this notice message) is modified.
(3) purpose eNB receives O﹠amp; Behind the mobility parameter update notification message of M, the information of the neighbor cell that the mobility parameter that comprises is modified be saved in the local adjacent area mobility parameter update table (this table comprises 2 attributes: the adjacent area sign, and the mobility parameter of an expression adjacent area whether the sign of renewal is arranged; This sign is changed to "Yes" and represents that then the mobility parameter of corresponding adjacent area has renewal, need be to O﹠amp when using the mobility parameter of this corresponding adjacent area; M obtains new mobility parameter; This sign is changed to "No" and represents that then the mobility parameter of corresponding adjacent area do not upgrade, and can directly use the mobility parameter of local this corresponding adjacent area of preserving), and the sign whether renewal is arranged of respective record is changed to "Yes" in will showing.
Preferably, the eNB that describes as step S201 among Fig. 2 needs to O﹠amp; M sends mobility parameter request message, in the time of with the mobility parameter of obtaining neighbor cell and/or allowed band, can judge local mobility parameter of whether having preserved neighbor cell and/or allowed band earlier and whether be up-to-date, as in the mobility parameter update table of adjacent area, inquiring the record of neighbor cell and whether having the sign of renewal to be changed to "Yes", or local mobility parameter and/or the allowed band that does not also have neighbor cell, then eNB need be to O﹠amp; M sends mobility parameter request message, afterwards, the sign whether renewal is arranged in the record of neighbor cell correspondence in the mobility parameter update table of adjacent area is changed to "No"; Otherwise, then do not need to O﹠amp; M sends mobility parameter request message.
By the foregoing description, provide a kind of mobility parameter acquiring method of neighbor cell.Use this method eNB in the LTE/LTE-A system can obtain adjacent area mobility parameter and/or allowed band, can make optimizations such as MLB and MRO action when the mobility parameter of sub-district is made amendment, can guarantee and the coordination of the mobility parameter of neighbor cell (as avoid taking place that table tennis switches etc.).
Device embodiment
According to the embodiment of the invention, also provide a kind of mobility parameter obtaining device of neighbor cell.
Fig. 6 is the structured flowchart of the mobility parameter obtaining device of neighbor cell according to the preferred embodiment of the invention.Fig. 7 is the structured flowchart of the mobility parameter obtaining device of neighbor cell according to the preferred embodiment of the invention.As shown in Figure 6, the mobility parameter obtaining device of neighbor cell comprises according to the preferred embodiment of the invention: transmitting element 1, receiving element 2 are described below in conjunction with Fig. 7.
Transmitting element 1 is used for sending mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of request base station subordinate's current area;
Receiving element 2 is connected to transmitting element 1, is used to receive the mobility parameter response message of the mobility parameter correlation information of carrying neighbor cell that comes from network management system.
Preferably, as shown in Figure 7, device can also comprise: memory cell 3, first judging unit 4, and wherein, memory cell 3 is used for the mobility parameter correlation information that gets access to is stored; First judging unit 4 is connected to memory cell 3, is used for treating that according to mobility parameter information, the parameter of current area the mobility parameter correlation information of modification information, neighbor cell judges, judges whether to need to revise the mobility parameter of neighbor cell.
Preferably, as shown in Figure 7, device can also comprise: second judging unit 5, processing unit 6, wherein, second judging unit 5, be connected to first judging unit 4, be used for being output as under the situation that is, judge that according to the information of revising allowed band this revises whether in revising allowed band at first judging unit; Processing unit 6 is connected to second judging unit 5, is used for being output as under the situation not at second judging unit, abandon this modification, perhaps, adjust modification amplitude, so that being modified in of mobility parameter of neighbor cell revised in the allowed band to the mobility parameter of current area.
The concrete working method of said apparatus can repeat no more referring to the description of Fig. 1 to Fig. 3 herein.
By the foregoing description, provide a kind of mobility parameter obtaining device of neighbor cell.By interactions such as transmitting element, receiving elements, can make that eNB obtains the mobility parameter and/or the allowed band of adjacent area in the LTE/LTE-A system, so that optimizations such as MLB and MRO actions when the mobility parameter of sub-district is made amendment, can be guaranteed and the coordination of the mobility parameter of neighbor cell (as avoid taking place that table tennis switches etc.).
In sum, pass through the above embodiment of the present invention, the mobility parameter acquiring scheme of the neighbor cell that provides, can solve in the correlation technique owing to lack the scheme of obtaining adjacent area mobility parameter and/or allowed band, and cause when the mobility parameter of sub-district is made amendment, can't guaranteeing the problem coordinated mutually with the mobility parameter of neighbor cell, and then can be when the mobility parameter of current area be made amendment, guarantee the coordination of the mobility parameter of current area and neighbor cell, avoid taking place situations such as table tennis switching.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the mobility parameter acquiring method of a neighbor cell is characterized in that, comprising:
The base station sends mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of the current area of asking described base station subordinate;
Described base station receives the mobility parameter response message of the mobility parameter correlation information of carrying described neighbor cell that comes from described network management system.
2. method according to claim 1 is characterized in that, the mobility parameter correlation information of described neighbor cell comprise following one of at least:
The mobility parameter information of described neighbor cell;
The modification allowed band information of the mobility parameter of described neighbor cell.
3. method according to claim 1 and 2 is characterized in that, after the reception of described base station came from the mobility parameter response message of described network management system, described method also comprised:
The described mobility parameter correlation information that described base station will get access to is stored;
Described base station treats that according to mobility parameter information, the parameter of described current area the mobility parameter correlation information of modification information, described neighbor cell judges, judges whether to need to revise the mobility parameter of described neighbor cell.
4. method according to claim 3 is characterized in that, revises at needs under the situation of mobility parameter of described one or more neighbor cells, and described method also comprises:
Judge that according to the information of described modification allowed band this revises whether in revising allowed band;
If not, then abandon this modification, perhaps, adjust modification amplitude, so that being modified in of mobility parameter of described neighbor cell revised in the allowed band the mobility parameter of described current area.
5. method according to claim 4 is characterized in that, under the situation in this is modified in the modification allowed band, described method also comprises:
Base station under the described neighbor cell receives the amendment advice message of the mobility parameter that comes from described base station, wherein, described modified notification message draw together following one of at least: the mobility parameter information that needs to upgrade, need the mobility parameter amplitude revised;
The mobility parameter information that base station under the described neighbor cell is upgraded according to described needs, and/or, need the mobility parameter amplitude adjusted, the mobility parameter of subordinate's neighbor cell is made amendment.
6. method according to claim 1 is characterized in that, the mobility parameter information of the described neighbor cell that described network management system is preserved in advance obtains in the following manner:
Described network management system receives and comes from the mobility reporting parameters message that the base station reports, and wherein, described mobility reporting parameters message carries the up-to-date mobility parameter information of this base station subordinate's sub-district;
Described network management system is stored described up-to-date mobility parameter information.
7. method according to claim 1 is characterized in that, the described modification allowed band information that described network management system is preserved is in advance obtained by one of following mode:
The self-organizing network functional entity that is positioned at the base station obtains described modification allowed band information by calculating, and described modification allowed band information is sent to described network management system;
The self-organizing network functional entity that is positioned at described network management system obtains described modification allowed band information by calculating.
8. method according to claim 6 is characterized in that, described network management system receives and comes from after the mobility reporting parameters message that the base station reports, and described method also comprises:
Described network management system is according to the information of the sub-district of the modification mobility parameter of carrying in the adjacent area correspondence relationship information of preserving in advance, the described mobility reporting parameters message, obtains the information of base station under the information of neighbor cell of sub-district of described modification mobility parameter and this neighbor cell;
Described network management system is sent to base station under this neighbor cell with mobility parameter update message, and wherein, described mobility parameter update message carries the information of the sub-district of described modification mobility parameter.
9. method according to claim 8 is characterized in that, described network management system is sent to mobility parameter update message under the described neighbor cell after the base station, and described method also comprises:
The base station receives described mobility parameter update message under the described neighbor cell;
The base station is saved to the information of the sub-district of described modification mobility parameter in the adjacent area mobility parameter update table of local storage under the described neighbor cell.
10. method according to claim 9 is characterized in that, before network management system sent mobility parameter request message, described method also comprised in described base station:
Described base station is determined to send described mobility parameter request message to network management system according to relevant information, wherein, described relevant information comprises one of following: the renewal identification information of the neighbor cell that described adjacent area mobility parameter update table is preserved is that described mobility parameter correlation information is not preserved in update mode, this locality;
The renewal identification information that described base station is provided with described neighbor cell is no update mode.
11. the mobility parameter obtaining device of a neighbor cell is characterized in that, described device comprises:
Transmitting element is used for sending mobility parameter request message to network management system, with the mobility parameter correlation information of the neighbor cell of the current area of asking described base station subordinate;
Receiving element is used to receive the mobility parameter response message of the mobility parameter correlation information of carrying described neighbor cell that comes from described network management system.
12. device according to claim 11 is characterized in that, described device also comprises:
Memory cell, the mobility parameter correlation information that is used for the described neighbor cell that will get access to is stored;
First judging unit is used for treating that according to mobility parameter information, the parameter of described current area the mobility parameter correlation information of modification information, described neighbor cell judges, judges whether to need to revise the mobility parameter of described neighbor cell.
13. device according to claim 12 is characterized in that, described device also comprises:
Second judging unit is used for being output as under the situation that is at described first judging unit, judges that according to the information of described modification allowed band this revises whether in revising allowed band;
Processing unit, be used for being output as under the situation not, abandon this modification, perhaps at described second judging unit, adjustment is to the modification amplitude of the mobility parameter of described current area, so that being modified in of mobility parameter of described neighbor cell revised in the allowed band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102054700A CN102045689A (en) | 2009-10-20 | 2009-10-20 | Method and device for obtaining mobility parameter of adjacent district |
Applications Claiming Priority (1)
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| CN103369603A (en) * | 2012-03-30 | 2013-10-23 | 中国移动通信集团公司 | A method and an apparatus for interoperation of a self-organized network |
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| CN107818133A (en) * | 2017-09-21 | 2018-03-20 | 北京市天元网络技术股份有限公司 | A kind of residential block network capabilities analysis method and system based on big data |
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| CN112654072A (en) * | 2019-10-11 | 2021-04-13 | 维沃移动通信有限公司 | Cell residence method, equipment and system |
| CN112654072B (en) * | 2019-10-11 | 2022-06-24 | 维沃移动通信有限公司 | Cell residence method, equipment and system |
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