CN101990223A - Switching preprocessing method and base stations - Google Patents
Switching preprocessing method and base stations Download PDFInfo
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Abstract
The invention discloses a switching preprocessing method and base stations. The method of the invention comprises the following step: a source base station sends messages to one or more target base stations, wherein the messages carry the switching parameters of related cells dominated by the source base station, and the related cells are the cells which belong to the target base station(s) existing in a neighbor cell. By utilizing the method of the invention, the problem that mobility load balancing (MLB) optimization, mobility robustness optimization (MRO) optimization and other optimizations can possibly modify the switching parameters of the cells and result in inconsistence of the switching parameters of the neighbor cells can be solved, thereby achieving the effect of preventing the inconsistence of the switching parameters between neighbor cells.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of switching pre-processing method and base station.
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 UniversalTerrestrial 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, proposed the notion of self-organizing network (Self-Organized Network abbreviates SON as), SON has comprised mobile load balancing optimization (Mobility Load balancing optimization, abbreviate MLB as), mobile robustness optimization contents such as (Mobility robustness optimization abbreviate MRO as).
Optimization such as MLB and MRO action may be made amendment to the handoff parameter of sub-district.This may cause because the handoff parameter of neighbor cell is inharmonious, for example, may take place that table tennis switches etc.
May make amendment and the inharmonic problem of handoff parameter of the neighbor cell that causes to the handoff parameter of sub-district at optimization such as MLB and MRO action in the correlation technique, not propose effective solution at present as yet.
Summary of the invention
May make amendment and the inharmonic problem of handoff parameter of the neighbor cell that causes and propose the present invention to the handoff parameter of sub-district at optimization such as MLB and MRO action in the correlation technique, for this reason, main purpose of the present invention is to provide a kind of switching pre-processing scheme, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of switching pre-processing method.
Switching pre-processing method according to the present invention comprises: source base station sends message to one or more purposes base station, wherein, carries the handoff parameter of the related cell that source base station administers in the message, and related cell is to have the sub-district that belongs to the purpose base station in the adjacent area.
Preferably, related cell is the sub-district that changes of handoff parameter and/or the newly-increased sub-district of source base station.
Preferably, source base station is drawn together to one or more purposes base station transmission packet: source base station sends message by X2 interface or S1 interface.
Preferably, send by X2 interface under the situation of message at source base station, message is by expanding realizing one of at least of following message: evolution base station configuration update message, X2 set up request message, X2 sets up response message.
Preferably, the source base station transmission packet is drawn together: source base station and the purpose base station between after X2 interface sets up successfully, send message by X2 interface.
Preferably, send under the situation of message by the S1 interface at source base station, said method also comprises: source base station sends message via mobile management entity.
Preferably, handoff parameter comprises one of following at least: the offset parameter of the sluggish parameter of the sluggish parameter of the cell specific offset of the frequency particular offset of service frequency, the frequency particular offset of adjacent area frequency, Serving cell, the cell specific offset of abutting subdistrict, A1 incident, the threshold parameter of A1 incident, A2 incident, the threshold parameter of A2 incident, A3 incident, the sluggish parameter of A3 incident, the sluggish parameter of A4 incident, the threshold parameter of A4 incident, the sluggish parameter of A5 incident, the threshold parameter 1 of A5 incident, the threshold parameter 2 of A5 incident.
To achieve these goals, according to an aspect of the present invention, also provide a kind of switching pre-processing method.
Switching pre-processing method according to the present invention comprises: the purpose base station of source base station under related cell sends a request message, and reception is from the response message in response to request message of purpose base station, wherein, carry the handoff parameter of related cell in the response message, related cell is the neighbor cell of the sub-district of source base station.
Preferably, source base station sends a request message and comprises: when source base station needed the handoff parameter of related cell, source base station sent a request message.
Preferably, source base station sends a request message and comprises: source base station sends a request message by X2 interface or S1 interface.
Preferably, handoff parameter comprises one of following at least: the offset parameter of the sluggish parameter of the sluggish parameter of the cell specific offset of the frequency particular offset of service frequency, the frequency particular offset of adjacent area frequency, Serving cell, the cell specific offset of abutting subdistrict, A1 incident, the threshold parameter of A1 incident, A2 incident, the threshold parameter of A2 incident, A3 incident, the sluggish parameter of A3 incident, the sluggish parameter of A4 incident, the threshold parameter of A4 incident, the sluggish parameter of A5 incident, the threshold parameter 1 of A5 incident, the threshold parameter 2 of A5 incident.
Preferably, under the situation that source base station sends a request message by the S1 interface, said method also comprises: source base station sends a request message via mobile management entity; Source base station receives response message via mobile management entity.
Preferably, under the situation that source base station sends a request message by the S1 interface, message is by expanding realizing one of at least of following message: evolution base station configuration message transfer, mobile management entity configuration message transfer.
To achieve these goals, according to a further aspect in the invention, provide a kind of base station.
Base station according to the present invention comprises: first sending module, be used for sending message to one or more purposes base station, and wherein, carry the handoff parameter of the related cell of administering the base station in the message, related cell is to have the sub-district that belongs to the purpose base station in the adjacent area.
To achieve these goals, according to a further aspect in the invention, also provide a kind of base station.
Base station according to the present invention comprises: second sending module, and the purpose base station that is used under related cell sends a request message; Receiver module is used to receive the response message in response to request message from the purpose base station, wherein, carries the handoff parameter of related cell in the response message, and related cell is the neighbor cell of the sub-district of base station.
By the present invention, adopt and transmit the message that carries handoff parameter between the base station, having solved optimizations such as MLB and MRO action may make amendment and the inharmonic problem of handoff parameter of the neighbor cell that causes to the handoff parameter of sub-district, and then has reached inharmonic effect of avoiding handoff parameter between neighbor cell.
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 process of passing through the unidirectional direct transmission handoff parameter of X2 interface of the embodiment of the invention;
Fig. 2 is the flow chart according to the process of passing through the unidirectional direct transmission handoff parameter of S1 interface of the embodiment of the invention;
Fig. 3 is the request response mechanism transmits the process of handoff parameter at X2 interface the flow chart that passes through according to the embodiment of the invention;
Fig. 4 is the request response mechanism transmits the process of handoff parameter at the S1 interface the flow chart that passes through according to the embodiment of the invention;
Fig. 5 is the structured flowchart according to the base station of the embodiment of the invention.
Embodiment
Functional overview
Consider that the action of optimization such as MLB and MRO in the correlation technique may make amendment and the inharmonic problem of handoff parameter of the neighbor cell that causes to the handoff parameter of sub-district, the embodiment of the invention provides a kind of switching pre-processing scheme, in present embodiment process of the present invention, find, solve the problems of the technologies described above and between neighbor cell, to transmit handoff parameter, make when the handoff parameter of certain sub-district is made amendment, can carry out analytical calculation in conjunction with the handoff parameter of adjacent area, judge whether to occur table tennis switching etc., whether carry out the modification of this handoff parameter with final decision, or adjust the amplitude that handoff parameter is revised.Therefore, the embodiment of the invention provides a kind of switching pre-processing scheme, can transmit handoff parameter by this switching pre-processing scheme, this scheme can realize by dual mode: mode one, source base station sends message to one or more purposes base station, wherein, carry the handoff parameter of the related cell that source base station administers in the message, related cell is to have the sub-district that belongs to the purpose base station in the neighbor cell; Mode two, the purpose base station of source base station under related cell sends a request message, and receives the response message in response to request message from the purpose base station, wherein, carry the handoff parameter of related cell in the response message, related cell is the neighbor cell of the sub-district of source base station.
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.
In following examples, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Method embodiment one
According to embodiments of the invention, a kind of switching pre-processing method is provided, this method comprises:
Source base station sends message to one or more purposes base station, wherein, carries the handoff parameter of the related cell that source base station administers in the message, and related cell is to have the sub-district that belongs to the purpose base station in the neighbor cell.Wherein, related cell is the sub-district that changes of handoff parameter and/or the newly-increased sub-district of source base station.Promptly, the parameter that switches in the sub-district changes or when newly-increased sub-district is arranged, and, have the sub-district that belongs to the purpose base station in the sub-district that the parameter that switches changes or the neighbor cell of newly-increased sub-district, then source base station sends the message of the handoff parameter that carries sub-district that handoff parameter changes or newly-increased sub-district to the purpose base station.Source base station can also send this message to the purpose base station after X2 interface is set up.
Preferably, source base station sends message by X2 interface or S1 interface, wherein, send by X2 interface under the situation of message at source base station, can be by expanding realizing one of at least of following message: evolution base station configuration update message, X2 set up request message, X2 sets up response message.Be described in detail transmitting handoff parameter below by X2 interface and S1 interface.
1) by the unidirectional direct transmission handoff parameter of X2 interface
By source eNB the handoff parameter of linchpin related cell (related cell is meant that it is to belong to purpose eNB's that there is the adjacent area this sub-district) is arrived purpose eNB by sending message (this message can be called " SON parameter pass-along message ") to X2 interface.Here related purpose eNB has a plurality of, and is a plurality of if purpose eNB has, and then tackles each purpose eNB and sends one " SON parameter pass-along message ".
Should " SON parameter pass-along message " can X2 interface be set up successfully between source eNB and purpose eNB after, or when among the eNB of source newly-increased sub-district being arranged, or, initiate by source eNB when having among the eNB of source after the sub-district carried out the handoff parameter modification.
" SON parameter pass-along message " also can utilize present existing X2 interface message to realize, for example, can realize by expanding eNB config update (eNB Configuration Update) message, X2 foundation request (X2 SETUP REQUEST) and X2 foundation response (X2SETUP RESPONSE) message.
2) by the unidirectional direct transmission handoff parameter of S1 interface
(related cell is meant the linchpin related cell by source eNB, it is to belong to purpose eNB's that there is the adjacent area this sub-district) handoff parameter by send message (this message can be called " SON parameter pass-along message ") to the S1 interface, send to MME earlier, be transmitted to purpose eNB by MME again.Here related purpose eNB has a plurality of, and is a plurality of if purpose eNB has, and then tackles each purpose eNB and sends one " SON parameter pass-along message ".
Should " SON parameter pass-along message " can work as when newly-increased sub-district is arranged among the eNB of source, or, initiate by source eNB when having among the eNB of source after the sub-district carried out the handoff parameter modification.
Method embodiment two
According to embodiments of the invention, another kind of switching pre-processing method is provided, this method comprises: the purpose base station of source base station under related cell sends a request message, and reception is from the response message in response to request message of purpose base station, wherein, carry the handoff parameter of related cell in the response message, related cell is the neighbor cell of the sub-district of source base station.
When source base station needed the handoff parameter of related cell, source base station can send a request message to the purpose base station.Wherein, source base station can send a request message by X2 interface or S1 interface.Under the situation that source base station sends a request message by the S1 interface, source base station can send a request message via mobile management entity, and source base station also can receive response message via mobile management entity.Under the situation that source base station sends a request message by the S1 interface, can be by expanding realizing one of at least of following message: evolution base station configuration message transfer, mobile management entity configuration message transfer.Be described in detail transmitting handoff parameter below by X2 interface and S1 interface.
1) transmits handoff parameter by the request response mechanism at X2 interface
Send out " SON parameter request message " by source eNB by the purpose eNB of X2 interface under relevant adjacent area, after purpose eNB receives request, send response message (this message can be called " SON parameter response message ") and give source eNB, wherein, carry the handoff parameter information of relevant adjacent area in the request in the response message.
Should " SON parameter request message " can be when source eNB need be correlated with the handoff parameter of adjacent area (for example, source eNB have jurisdiction over related cell is carried out handoff parameter revise before the handoff parameter universal time coordinated whether of hope understanding and adjacent area), initiate by source eNB.
2) transmit handoff parameter by the request response mechanism at the S1 interface
By the S1 interface " SON parameter request message " is sent to MME by source eNB, be transmitted to purpose eNB under the relevant adjacent area by MME again, after purpose eNB receives request, return " SON parameter response message " and give MME, be transmitted to source eNB by MME again, wherein, carry the handoff parameter information of relevant adjacent area in the request in the response message.
Should " SON parameter request message " can be when source eNB need be correlated with the handoff parameter of adjacent area (for example, source eNB have jurisdiction over related cell is being carried out handoff parameter revise before the handoff parameter of hope understanding and adjacent area whether coordinate), initiate by source eNB.
SON parameter request/response message also can utilize present existing S1 interface message to realize, for example, realize by expanding eNB configuration transmission (eNB CONFIGURATIONTRANSFER) and MME configuration transmission (MME CONFIGURATIONTRANSFER) message.
The handoff parameter that transmits in said method example one and method embodiment two can adopt the various combinations of parameter according to the needs of specific implementation: the frequency particular offset of service frequency (frequency specific offset of the serving frequency, abbreviate Ofs as), the frequency particular offset of adjacent area frequency (frequency specific offset of the frequency ofthe neighbour cell, abbreviate Ofn as), the cell specific offset of Serving cell (cellspecific offset ofthe serving cell, abbreviate Ocs as), the cell specific offset of abutting subdistrict (cell specific offset of the neighbour cell, abbreviate Ocn as), the sluggish parameter of A1 incident (hysteresis parameter for event A1, abbreviate HysA1 as), the threshold parameter of A1 incident (threshold parameter for event A1, abbreviate ThreshA1 as), the sluggish parameter of A2 incident (hysteresis parameter for event A2, abbreviate HysA2 as), the threshold parameter of A2 incident (threshold parameter for eventA2, abbreviate ThreshA2 as), the offset parameter of A3 incident (offset parameter for thisevent A3, abbreviate OffA3 as), the sluggish parameter of A3 incident (hysteresis parameterfor this event A3, abbreviate HysA3 as), the sluggish parameter of A4 incident (hysteresisparameter for event A4, abbreviate HysA4 as), the threshold parameter of A4 incident (threshold parameter for event A4, abbreviate ThreshA4 as), the sluggish parameter of A5 incident (hysteresis parameter for event A5, abbreviate HysA5 as), the threshold parameter 1 of A5 incident (threshold parameter 1 for event A5, abbreviate Thresh1A5 as), the threshold parameter 2 of A5 incident (threshold parameter 2 for eventA5 abbreviate Thresh2A5 as).
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Example one
Fig. 1 is the flow chart according to the process of passing through the unidirectional direct transmission handoff parameter of X2 interface of the embodiment of the invention, as shown in Figure 1, fill " SON parameter pass-along message " afterwards by source eNB, source eNB sends " SON parameter pass-along message " to purpose eNB, wherein, comprise the handoff parameter of related cell among the eNB of source (and this sub-district the adjacent area is arranged be to belong to purpose eNB's) in this message, can send this message in following three kinds of situations: after X2 interface is set up successfully between source eNB and purpose eNB; Or when among the eNB of source newly-increased sub-district being arranged; Or when there being the sub-district to carry out after handoff parameter revises among the eNB of source." SON parameter pass-along message " can comprise following content:
Source eNB sends to purpose eNB with " SON parameter pass-along message " by X2 interface.Here related purpose eNB has a plurality of, tackles each purpose eNB if purpose eNB has a plurality of and sends one " SON parameter pass-along message ".
Example two
Fig. 2 is the flow chart according to the process of passing through the unidirectional direct transmission handoff parameter of S1 interface of the embodiment of the invention, as shown in Figure 2, fill " SON parameter pass-along message " and this message is sent to MME by source eNB, can send this message in following two kinds of situations: when among the eNB of source newly-increased sub-district being arranged, fill " SON parameter pass-along message " by source eNB, wherein, the handoff parameter that comprises among the eNB of source newly-increased sub-district (and this sub-district the adjacent area is arranged be to belong to purpose eNB's) in this message; Or, fill " SON parameter pass-along message " by source eNB when having among the eNB of source after the sub-district carried out handoff parameter, wherein, include the handoff parameter of the sub-district that handoff parameter revises (and this sub-district the adjacent area is arranged be to belong to purpose eNB's) in this message." SON parameter pass-along message " can comprise following content:
Source eNB sends to MME with " SON parameter pass-along message " by the S1 interface.Here related purpose eNB has a plurality of, and is a plurality of if purpose eNB has, and then tackles each purpose eNB and sends one " SON parameter pass-along message ".MME is transmitted to purpose eNB to " SON parameter pass-along message ".
Example three
Fig. 3 is the request response mechanism transmits the process of handoff parameter at X2 interface the flow chart that passes through according to the embodiment of the invention, as shown in Figure 3, when source eNB need be correlated with the handoff parameter of adjacent area (for example, source eNB is carrying out wishing before handoff parameter is revised whether the handoff parameter of understanding and adjacent area is coordinated to the linchpin related cell), fill " SON parameter request message " (request type is " handoff parameter request ") by source eNB, wherein, the cell ID that comprises relevant adjacent area." SON parameter request message " can comprise following content:
| Message content | Explanation |
| Purpose eNB sign | For example, Global eNB ID |
| Source eNB sign | For example, Global eNB ID |
| The SON type of message | For example, HANDOVER PARAMETER REQUEST |
| Purpose sub-district number | n |
| Purpose cell ID [n] | For example, E-UTRAN CGI (PLMN Identity, Cell Identity) |
Source eNB initiates request with " SON parameter request message " by the purpose eNB of X2 interface under relevant adjacent area.
Purpose eNB receives after the request, sends " SON parameter response message " (respond style is " handoff parameter response ") to source eNB, wherein, carries the handoff parameter of relevant adjacent area in the request in the response message." SON parameter response message " can comprise following content:
Example four
Fig. 4 is the request response mechanism transmits the process of handoff parameter at the S1 interface the flow chart that passes through according to the embodiment of the invention, as shown in Figure 4, when source eNB need be correlated with the handoff parameter of adjacent area (for example, source eNB is carrying out wishing before handoff parameter is revised whether the handoff parameter of understanding and adjacent area is coordinated to the linchpin related cell), fill " SON parameter request message " (request type is " handoff parameter request ") by source eNB, wherein, the cell ID that comprises relevant adjacent area in this message." SON parameter request message " can comprise following content:
| Message content | Explanation |
| Purpose eNB sign | For example, Global eNB ID |
| Source eNB sign | For example, Global eNB ID |
| The SON type of message | For example, HANDOVER PARAMETER REQUEST |
| Purpose sub-district number | n |
| Purpose cell ID [n] | For example, E-UTRAN CGI (PLMN Identity, Cell Identity) |
Source eNB sends to MME with " SON parameter request message " by the S1 interface, and MME is transmitted to the relevant affiliated purpose eNB in adjacent area with " SON parameter request message ".
After purpose eNB receives request, send " SON parameter response message " (respond style is " handoff parameter response ") and give MME, carry the handoff parameter of relevant adjacent area in the request in this response message." SON parameter response message " can comprise following content:
MME is transmitted to source eNB with " SON parameter response message ".
Example five
SON parameter pass-along message also can utilize present existing X2 interface message to realize, for example, expands eNB config update (eNB Configuration Update) message.Concrete steps are as follows:
When among the eNB of source newly-increased sub-district being arranged, can in the Served Cell Information information entity in the ServedCells To Add in the eNB configuration update message, increase the handoff parameter of related cell among the eNB of source; Or when having the sub-district to carry out the handoff parameter modification among the eNB of source, can in the ServedCell Information information entity in the Served Cells To Modify in the eNB configuration update message, increase the handoff parameter of related cell among the eNB of source.The handoff parameter of related cell is as shown in the table:
| IE/Group?Name | Range |
| Handover?Parameters | 1 |
| ＞Serving?cell?related | 1 |
| ＞＞Ofs | |
| ＞＞Ocs | |
| ＞＞OffA3 | |
| ＞＞HysA3 | |
| ＞Neighbour?cell?related | The maximum adjacent area number of 0～sub-district |
| ＞＞ECGI | |
| ＞＞Ofn | |
| ＞＞Ocn |
Source eNB sends the eNB configuration update message to purpose eNB, and the handoff parameter of related cell among the eNB of source is delivered to purpose eNB.
Example six
SON parameter pass-along message also can utilize present existing X2 interface message to realize, for example, expands X2 and sets up request (X2 SETUP REQUEST) and X2 foundation response (X2 SETUP RESPONSE) message.Concrete steps are as follows:
When source eNB when purpose eNB sends X2 and sets up request, or return X2 when setting up response (this moment, the X2 request of setting up was initiated by purpose eNB) to purpose eNB as source eNB, the handoff parameter that increases related cell among the eNB of source in the Served Cell Information information entity in X2 sets up the Served Cells of request message (or X2 sets up response message) lining is as shown in the table:
| IE/Group?Name | Range |
| Handover?Parameters | 1 |
| ＞Serving?cell?related | 1 |
| ＞＞Ofs | |
| ＞＞Ocs | |
| ＞＞OffA3 | |
| ＞＞HysA3 | |
| ＞Neighbour?cell?related | The maximum adjacent area number of 0～sub-district |
| ＞＞ECGI | |
| ＞＞Ofn | |
| ＞＞Ocn |
Source eNB sends X2 to purpose eNB and sets up request message, or returns X2 and set up response message (this moment, the X2 request of setting up was initiated by purpose eNB), and the handoff parameter of related cell among the eNB of source is delivered to purpose eNB.
Example seven
SON parameter request/response message also can utilize present existing S1 interface message to realize, for example, expands eNB configuration transmission (eNB CONFIGURATIONTRANSFER) and MME configuration transmission (MME CONFIGURATIONTRANSFER) message.Concrete steps are as follows:
When source eNB need be correlated with the handoff parameter of adjacent area (for example, source eNB is carrying out wishing before handoff parameter is revised whether the handoff parameter of understanding and adjacent area is coordinated to the linchpin related cell), source eNB can expand in eNB disposes SON Information Request in the SON Information in the SON Configuration Transfer in the message transfer and fills in as " handoff parameter request ".And the cell ID (as E-UTRAN CGI, abbreviating ECGI as) that increases relevant adjacent area in SON Information is as shown in the table:
| IE/Group?Name | Range |
| ＞Target?Cells | The largest cell number of 0～eNB |
| ＞＞ECGI |
Source eNB disposes message transfer with eNB and sends to MME.
MME by MME configuration message transfer, is transmitted to purpose eNB to the handoff parameter request after receiving the eNB configuration message transfer of source eNB.
Purpose eNB receives MME configuration message transfer, and what comprise in the discovery SONInformation Request wherein is " handoff parameter request ", then read the cell ID in the Target Cells in the SONInformation wherein, the handoff parameter of these cell ID corresponding district among the purpose eNB is fed back to MME by eNB configuration message transfer.The feedback of handoff parameter realizes by the handoff parameter that increases related cell among the purpose eNB in the SON of response message Information Reply information entity, and is as shown in the table:
| IE/Group?Name | Range |
| ＞Handover?Parameters | The largest cell number of 0～eNB |
| ＞＞ECGI | |
| ＞＞Serving?cell?related | 1 |
| ＞＞＞Ofs | |
| ＞＞＞Ocs | |
| ＞＞＞OffA3 | |
| ＞＞＞HysA3 | |
| ＞＞Neighbour?cell?related | The maximum adjacent area number of 0～sub-district |
| ＞＞＞ECGI | |
| ＞＞＞Ofn | |
| ＞＞＞Ocn |
MME by ME configuration message transfer, is transmitted to source eNB to the handoff parameter response after receiving the eNB configuration message transfer of purpose eNB.
Device embodiment
According to embodiments of the invention, a kind of base station is provided, this base station is corresponding to above-mentioned method embodiment one, this base station comprises: first sending module, this module is used for sending message to one or more purposes base station, wherein, carry the handoff parameter of the related cell of administering the base station in the message, related cell is to have the sub-district that belongs to the purpose base station in the adjacent area.
Preferably, the parameter that switches in the sub-district changes or when newly-increased sub-district is arranged, and, have the sub-district that belongs to the purpose base station in the sub-district that the parameter that switches changes or the neighbor cell of newly-increased sub-district, then source base station sends the message of the handoff parameter that carries sub-district that handoff parameter changes or newly-increased sub-district to the purpose base station.Source base station can also send this message to the purpose base station after X2 interface is set up.
Preferably, source base station sends message by X2 interface or S1 interface, wherein, send by X2 interface under the situation of message at source base station, can be by expanding realizing one of at least of following message: evolution base station configuration update message, X2 set up request message, X2 sets up response message.
According to embodiments of the invention, another kind of base station also is provided, this base station is corresponding to above-mentioned method embodiment two, Fig. 5 is the structured flowchart according to the base station of the embodiment of the invention, as shown in Figure 5, this base station comprises: second sending module 52, receiver module 54 are described in detail this base station below.
Second sending module 52, the purpose base station that is used under related cell sends a request message; Receiver module 54 is used to receive the response message in response to request message from the purpose base station, wherein, carries the handoff parameter of related cell in the response message, and related cell is the neighbor cell of the sub-district of base station.
When source base station needed the handoff parameter of related cell, second sending module 52 of source base station can send a request message to the purpose base station.Wherein, second sending module 52 can send a request message by X2 interface or S1 interface.Under the situation that second sending module 52 sends a request message by the S1 interface, source base station can send a request message via mobile management entity, and source base station also can receive response message via mobile management entity.Under the situation that source base station sends a request message by the S1 interface, can be by expanding realizing one of at least of following message: evolution base station configuration message transfer, mobile management entity configuration message transfer.
In sum, pass through the above embodiment of the present invention, realized in the LTE/LTE-A system, transmitting handoff parameter between neighbor cell, as optimizations such as MLB and the MRO actions Rule of judgment when handoff parameter is made amendment, to avoid the inharmonious of handoff parameter between neighbor cell.
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 (15)
1. a switching pre-processing method is characterized in that, comprising:
Source base station sends message to one or more purposes base station, wherein, carries the handoff parameter of the related cell that described source base station administers in the described message, and described related cell is to have the sub-district that belongs to described purpose base station in the adjacent area.
2. method according to claim 1 is characterized in that, described related cell is the sub-district that changes of handoff parameter and/or the newly-increased sub-district of described source base station.
3. method according to claim 1 is characterized in that, described source base station is drawn together to described one or more purposes base station transmission packet:
Described source base station sends described message by X2 interface or S1 interface.
4. method according to claim 3 is characterized in that, sends by described X2 interface under the situation of described message at described source base station, and described message is by expanding realizing one of at least of following message:
Evolution base station configuration update message, X2 set up request message, X2 sets up response message.
5. method according to claim 3 is characterized in that, described source base station sends described message and comprises:
Described source base station and described purpose base station between after X2 interface sets up successfully, send described message by described X2 interface.
6. method according to claim 3 is characterized in that, sends under the situation of described message by described S1 interface at described source base station, and described method also comprises:
Described source base station sends described message via mobile management entity.
7. according to each described method in the claim 1 to 6, it is characterized in that it is one of following that described handoff parameter comprises at least:
The offset parameter of the sluggish parameter of the sluggish parameter of the cell specific offset of the frequency particular offset of service frequency, the frequency particular offset of adjacent area frequency, Serving cell, the cell specific offset of abutting subdistrict, A1 incident, the threshold parameter of A1 incident, A2 incident, the threshold parameter of A2 incident, A3 incident, the sluggish parameter of A3 incident, the sluggish parameter of A4 incident, the threshold parameter of A4 incident, the sluggish parameter of A5 incident, the threshold parameter 1 of A5 incident, the threshold parameter 2 of A5 incident.
8. a switching pre-processing method is characterized in that, comprising:
The purpose base station of source base station under related cell sends a request message, and reception is from the response message in response to described request message of described purpose base station, wherein, carry the handoff parameter of described related cell in the described response message, described related cell is the neighbor cell of the sub-district of described source base station.
9. method according to claim 8 is characterized in that, described source base station sends described request message and comprises:
When described source base station needed the handoff parameter of described related cell, described source base station sent described request message.
10. method according to claim 8 is characterized in that, described source base station sends described request message and comprises:
Described source base station sends described request message by X2 interface or S1 interface.
11. each described method in 10 is characterized in that according to Claim 8, it is one of following that described handoff parameter comprises at least:
The offset parameter of the sluggish parameter of the sluggish parameter of the cell specific offset of the frequency particular offset of service frequency, the frequency particular offset of adjacent area frequency, Serving cell, the cell specific offset of abutting subdistrict, A1 incident, the threshold parameter of A1 incident, A2 incident, the threshold parameter of A2 incident, A3 incident, the sluggish parameter of A3 incident, the sluggish parameter of A4 incident, the threshold parameter of A4 incident, the sluggish parameter of A5 incident, the threshold parameter 1 of A5 incident, the threshold parameter 2 of A5 incident.
12. method according to claim 10 is characterized in that, sends under the situation of described request message by described S1 interface at described source base station, described method also comprises:
Described source base station sends described request message via mobile management entity;
Described source base station receives described response message via described mobile management entity.
13. method according to claim 10 is characterized in that, sends by described S1 interface under the situation of described request message at described source base station, described message is by expanding realizing one of at least of following message:
Evolution base station configuration message transfer, mobile management entity configuration message transfer.
14. a base station is characterized in that, comprising:
First sending module is used for sending message to one or more purposes base station, wherein, carries the handoff parameter of the related cell of administering described base station in the described message, and described related cell is to have the sub-district that belongs to described purpose base station in the adjacent area.
15. a base station is characterized in that, comprising:
Second sending module, the purpose base station that is used under related cell sends a request message;
Receiver module is used to receive the response message in response to described request message from described purpose base station, wherein, carries the handoff parameter of described related cell in the described response message, and described related cell is the neighbor cell of the sub-district of described base station.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625365A (en) * | 2012-03-20 | 2012-08-01 | 华为技术有限公司 | Method for mobility robustness optimization (MRO) and mobility load balancing (MLB) and base station |
| CN103037455A (en) * | 2012-12-29 | 2013-04-10 | 华中科技大学 | Method for joint optimization of MLB and MRO in LTE network |
| CN103260200A (en) * | 2012-02-16 | 2013-08-21 | 电信科学技术研究院 | Method, system and equipment for sending adjacent cell information of different systems and establishing adjacent region relationships |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006112560A1 (en) * | 2005-04-19 | 2006-10-26 | Sk Telecom Co., Ltd. | Hand over method from asynchronous mobile communication network to synchronous mobile communic ation network |
| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
-
2009
- 2009-08-03 CN CN2009101640042A patent/CN101990223A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006112560A1 (en) * | 2005-04-19 | 2006-10-26 | Sk Telecom Co., Ltd. | Hand over method from asynchronous mobile communication network to synchronous mobile communic ation network |
| CN101204025A (en) * | 2005-04-19 | 2008-06-18 | Sk电信有限公司 | Method for switching from asynchronous mobile communication network to moved simultaneously communication network |
| CN101064943A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Method for switching uplink random channel or sharing channel between mobile communication systems |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260200A (en) * | 2012-02-16 | 2013-08-21 | 电信科学技术研究院 | Method, system and equipment for sending adjacent cell information of different systems and establishing adjacent region relationships |
| CN103260200B (en) * | 2012-02-16 | 2016-05-18 | 电信科学技术研究院 | Send different system neighboring BS information and method, system and the equipment of setting up neighboring BS relationship |
| CN102625365A (en) * | 2012-03-20 | 2012-08-01 | 华为技术有限公司 | Method for mobility robustness optimization (MRO) and mobility load balancing (MLB) and base station |
| CN102625365B (en) * | 2012-03-20 | 2014-07-30 | 华为技术有限公司 | Method for mobility robustness optimization (MRO) and mobility load balancing (MLB) and base station |
| CN103037455A (en) * | 2012-12-29 | 2013-04-10 | 华中科技大学 | Method for joint optimization of MLB and MRO in LTE network |
| CN103037455B (en) * | 2012-12-29 | 2015-05-20 | 华中科技大学 | Method for joint optimization of MLB and MRO in LTE network |
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