CN102065498A - Switching information processing method and base station - Google Patents
Switching information processing method and base station Download PDFInfo
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- CN102065498A CN102065498A CN2009102236249A CN200910223624A CN102065498A CN 102065498 A CN102065498 A CN 102065498A CN 2009102236249 A CN2009102236249 A CN 2009102236249A CN 200910223624 A CN200910223624 A CN 200910223624A CN 102065498 A CN102065498 A CN 102065498A
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Abstract
The invention discloses a switching information processing method and a base station. The method comprises the following steps that: user equipment switches to a target cell from a source cell, wherein a wireless link of the user equipment fails in the target cell; the base station to which the user equipment sends a reconstruction request sends report information about a wireless link failure to a target base station to which the target cell belongs; and the target base station receives the report information, and sends a message carrying switching report information of one or more pairs of cells to the source base station to which the source cell belongs when or after meeting predetermined conditions. The method reduces network resource waste and improves network performance.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of switching information-processing method and base station.
Background technology
Long Term Evolution (Long Term Evolution, abbreviating LTE as) network is by land radio access web (Evolved UMTS, abbreviate E-UTRAN as) base station (Evolved NodeB, abbreviate eNB as) and evolution packet switching center (Evolved Packet Core, abbreviate EPC as) form the network flattening.Wherein, E-UTRAN comprises the set of the eNB that is connected by the S1 interface with EPC, can connect by X2 between the eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and an eNB also can be controlled by a plurality of EPC, and an eNB can manage one or more sub-districts.
Self-organizing network (Self Organizing Network abbreviates SON as) is a kind of technology of carrying out network configuration and optimization automatically.The characteristics of this technology are self-configuring, self-optimizing, this technology is used in LTE and is made that LTE base station (eNB) can be according to the automatic configuration network parameter of certain measurement, and carry out Automatic Optimal according to network change, thus keep the network performance optimum, save lot of manpower and material resources simultaneously.
For the self-optimization of switching parameter of LTE system, need according to switching relevant measurement, optimize the sub-district gravity treatment and switch relevant parameter according to certain algorithm, according to the operation conditions of network to improve the performance of network.The switching here is meant the switching of LTE internal system and the switching between system, switching between system refers to UMTS Terrestrial radio access network (UMTS Terrestrial Radio Access Network, abbreviate UTRAN as) or global system for mobile communications (Global System For Mobile Communication, abbreviate GSM as) or the switching of code division multiple access systems such as (Code Division Multiple Access abbreviate CDMA as).For the optimization of handoff parameter, currently mainly be divided into three kinds of scenes, switch too early, switched lately, switch to wrong cell.Below these three kinds of scenes are described respectively.
Fig. 1 is the schematic diagram according to the too early scene of the switching of correlation technique, as shown in Figure 1, subscriber equipment (User Equipment, abbreviate UE as) in eNB A, occur to the switching of eNBB, then, UE is in the process that connects with eNB B, Radio Link Failure (Radio Link Failure has taken place, abbreviate RLF as), UE need be reconstructed among the eNB A, and eNB A receives after the request of reconstruction, send the RLF report can for the eNB B that RLF takes place, eNB B can make judgement according to the context (UE Context) of the subscriber equipment that keeps before after receiving the RLF report, discovery is to switch too early, sending handover report message informing eNB A just for source eNB (that is eNB A) switches too early.
Fig. 2 is according to the switching of the correlation technique schematic diagram of the scene in evening excessively, as shown in Figure 2, RLF has at first taken place at eNB A in UE, then, be reconstructed into again among the eNB B, eNB B receives after the request of reconstruction, sends the RLF report to the eNB A that RLF takes place, and eNB A makes judging it is to switch evening according to the UE Context that keeps before.
The scene that switches to wrong cell has two kinds of situations, below both of these case is described respectively.
Fig. 3 is the sight schematic diagram one that switches to wrong cell according to correlation technique, as shown in Figure 3, UE has suffered at eNB A and successful switch has taken place in eNB B, then, RLF takes place in eNBB, and be reconstructed among the eNB C, eNB C has received after the request of reconstruction, send RLF and report to the eNB B that RLF takes place, eNB B makes judgement according to the UE Context that keeps before after receiving the RLF report, discovery is that UE switches to wrong cell, then, send handover report message for source eNB A, indication UE has switched to wrong cell.
Fig. 4 is the sight schematic diagram two that switches to wrong cell according to correlation technique, as shown in Figure 4, eNB B has taken place to switch in UE in eNB A, still, there is not handover success, then, UE has been reconstructed into eNB C again, and eNB C is after receiving the request of reconstruction, according to the sign in the request of rebuilding, sent the RLF report directly for eNB A, eNB A can make the judgement that has switched to wrong cell after receiving the RLF report.
Switching evening and the second kind of sight that switches to wrong cell, and rebuilding the sub-district and can directly send the RLF report to the cell-of-origin, the handover event type of oneself just can directly be judged in the cell-of-origin then.And for the first kind of sight that switches too early and switch to wrong cell, after rebuilding RLF takes place eNB to UE Failure eNB and having sent the RLF report, FailureeNB also will send handover report message again to source eNB.
For the first kind of sight that switches too early and switch to wrong cell, after rebuilding RLF takes place eNB to UE eNB and having sent the RLF report, Failure eNB can send handover report message to source eNB at each switching, like this, can cause waste of network resources, reduce network performance.
Summary of the invention
At the first kind of sight that switches too early and switch to wrong cell, after rebuilding RLF takes place eNB to UE eNB and having sent the RLF report, Failure eNB sends handover report message and the waste Internet resources that cause, reduces the problem of network performance and propose the present invention to the source of this switching eNB, for this reason, main purpose of the present invention is to provide a kind of handover information processing scheme, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of switching information-processing method.
According to switching information-processing method of the present invention, comprise: subscriber equipment switches to the purpose sub-district from the cell-of-origin, Radio Link Failure has taken place in the purpose sub-district in subscriber equipment, the report information purpose base station affiliated to the purpose sub-district of the base station transmission Radio Link Failure of request rebuild in the subscriber equipment initiation, this method also comprises: the purpose base station receives report information, and when satisfying predetermined condition or afterwards, the source base station under the cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts.
Preferably, the base station of initiating the request of rebuilding at subscriber equipment is under the situation of source base station, it is one of following that the handover report information of one or more pairs of sub-districts comprises at least: the sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, wherein, the type of handover report is to switch too early.
Preferably, base station in the subscriber equipment request of initiate rebuilding is not under the situation of source base station, and it is one of following that the handover report information of one or more pairs of sub-districts comprises at least: the sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, rebuild the physical label of the sub-district of request, the sub-district overall identification of rebuilding the sub-district of request.Wherein, the type of handover report is to have switched to wrong cell.
Preferably, the handover report information of one or more pairs of sub-districts comprises: the reason that this switches.
Preferably, target BS according to pre-defined rule after source base station sends message, this method also comprises: source base station is adjusted handoff parameter according to above-mentioned message.
To achieve these goals, according to a further aspect in the invention, also provide a kind of base station.
According to base station of the present invention, comprising: receiver module is used for receiving subscriber equipment initiates to rebuild the Radio Link Failure of the base station transmission of asking after Radio Link Failure takes place the process that switches to the purpose sub-district from the cell-of-origin report information; This base station also comprises: sending module, be used for after receiving report information, and when satisfying predetermined condition or afterwards the source base station under the cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts.
Preferably, this base station also comprises: judge module, be used to judge whether to satisfy predetermined condition, wherein, satisfy pre-defined rule and comprise one of following at least: scheduled duration, the wrong cell that switches reach pre-determined number at interval, the wrong cell that switches reaches predetermined probability;
Preferably, the base station of initiating the request of rebuilding at subscriber equipment is under the situation of source base station, the base station comprises that also first is provided with module, be used for handover report information in one or more pairs of sub-districts be provided with following one of at least: the sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, wherein, the type of handover report is to switch too early.
Preferably, the base station of initiating the request of rebuilding at subscriber equipment is not under the situation of source base station, the base station comprises that also second is provided with module, be used for information in one or more pairs of sub-districts be provided with following one of at least: the type of handover report, the physical label of the sub-district that Radio Link Failure takes place, the sub-district overall identification of sub-district takes place in Radio Link Failure, the physical label of the cell-of-origin of switching, the sub-district overall identification of the cell-of-origin of switching, reconnect the physical label of the sub-district of request, reconnect the sub-district overall identification of the sub-district of request, wherein, the type of handover report is to have switched to wrong cell.
Preferably, the handover report information of one or more pairs of sub-districts comprises: the reason that this switches.
By the present invention, the handover report information of one or more pairs of sub-districts is carried in employing by a message, solved that UE switches in the purpose eNB process in the correlation technique, the each generation after the RLF, purpose eNB sends handover report message and the waste Internet resources that cause, the problem that reduces network performance to the source of this switching eNB, and then has reduced waste of network resources, improved the performance of network.Further, also realized the self-optimization function of network.
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 schematic diagram according to the too early scene of the switching of correlation technique;
Fig. 2 is according to the switching of the correlation technique schematic diagram of the scene in evening excessively;
Fig. 3 is the sight schematic diagram one that switches to wrong cell according to correlation technique;
Fig. 4 is the sight schematic diagram two that switches to wrong cell according to correlation technique;
Fig. 5 is the flow chart according to the switching information-processing method of the embodiment of the invention;
Fig. 6 is the structured flowchart according to the base station of the embodiment of the invention;
Fig. 7 is the base station preferred construction block diagram according to the embodiment of the invention;
Fig. 8 is the Message Processing flow chart too early according to the switching of the embodiment of the invention;
Fig. 9 is the Message Processing flow chart that switches to wrong cell according to the embodiment of the invention;
Figure 10 is according to the switching of the embodiment of the invention too early and switch to the compound flow chart of wrong cell.
Embodiment
Functional overview
The embodiment of the invention provides a kind of handover information processing scheme, the handover optimization process is to realize by the interacting message between the base station in the present embodiment, present embodiment is mainly after UE switches to purpose eNB, RLF has taken place, after the eNB transmission RLF that rebuilds reports to purpose eNB, purpose eNB (promptly, Failure eNB) can be in real time to source eNB feedback handover report message, but add up the information of the handover report of the sub-district that belongs to it with the base station level, when having satisfied predetermined criterion or condition or afterwards, again the sub-district of the incident of switching to information unification issue source eNB.
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.
According to embodiments of the invention, a kind of switching information-processing method is provided, Fig. 5 is the flow chart according to the switching information-processing method of the embodiment of the invention, as shown in Figure 5, this method comprises that following step S502 is to step S508:
Step S502, subscriber equipment switch to the purpose sub-district from the cell-of-origin;
Step S504, Radio Link Failure (RLF) takes place afterwards in the purpose sub-district in subscriber equipment, rebulids request (abbreviate reconstruction as, or be called reconnect) to other sub-districts (this sub-district can be the source base station that belongs to switching, also can be other base stations);
Step S506, the purpose base station receives the information of the report of the Radio Link Failure that rebulids the base station transmission of asking;
Step S508, after receiving the information of report, the purpose base station when satisfying predetermined condition or afterwards, source base station under the cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts, preferably, this message can be but be not limited to handover report message, can reach identical purpose so long as can carry the message of the handover report information of one or more pairs of sub-districts.
Preferably, satisfying predetermined condition can comprise one of following: scheduled duration, the wrong cell that switches reach pre-determined number at interval, the wrong cell that switches reaches predetermined probability.
Preferably, after step S508, source base station is adjusted handoff parameter according to receiving message (for example, switching time report message), to optimize performance of handoffs.
Respectively above-mentioned steps S502 is described to step S508 in two kinds of situation below.
Situation one is switched too early
In the LTE system, source eNB A subordinate's UE passes through the X2 mouth after target eNB B initiates to switch, RLF has taken place, UE rebuilds message (RRCConnection Re-establishment) request by wireless connections and is reconstructed into source eNB A, source eNB A receives after the request of reconstruction, to the RLF eNB of the sub-district that RLF takes place (promptly, eNB B) sends the RLF report, eNB B receives after the RLF report, can be in real time to eNB A feedback handover report, but after the incident of switching satisfies certain criterion or condition in the sub-district of the affiliated scope of eNB B (for example, pass through a period of time, the number of times of the wrong cell that switches, perhaps reach certain probability etc.), by a handover report message informing source eNB A, this handover report message has comprised one or more sub-districts to information.Wherein, handover report message can comprise the cell of handover report messaging list (Handover Report celllist), can also comprise the handover report type.Wherein, it is one of following that Handover Report celllist can comprise at least: sub-district (Failure cell) physical layer identifications (the Physical Cell Identifier that Radio Link Failure takes place, abbreviate PCI as), Failure cell sub-district overall identification (EUTRAN Cell Global Identifier, abbreviate ECGI as), Source cellPCI, Source cell ECGI.Preferably, can also comprise the reason (Handover cause) of initiating switching, indicate the reason of each switching.
Situation two switches to wrong cell
In the LTE system, source eNB A subordinate's UE passes through the X2 mouth after target eNB B initiates to switch, RLF has taken place, UE has been reconstructed into eNB C by RRC ConnectionRe-establishment request, eNB C receives after the request of reconstruction, send the RLF report to the eNB B that RLF takes place, eNB B receives after the RLF report, can be in real time to cell-of-origin feedback handover report, but allow in the sub-district of affiliated scope of eNB the incident of switching (for example satisfy after certain criterion or the condition, pass through a period of time, the number of times of the wrong cell that perhaps switches, perhaps reach certain probability etc.), by a handover report message informing source eNB A, this handover report message has comprised one or more sub-districts to information.Handover report message can comprise cell: handover report type, Handover Report cell list.Wherein, Handover Report cell list comprises one of following at least: Failure cell PCI, Failure cell ECGI, Source cell PCI, Sourcecell ECGI, Re-establishment cell PCI, Re-establishment cell ECGI.Preferably, can also comprise that Handover cause indicates the reason of each switching.
Corresponding to above-mentioned step S502 to step S508 and situation one and two, according to embodiments of the invention, a kind of base station also is provided, Fig. 6 is the structured flowchart according to the base station of the embodiment of the invention, as shown in Figure 6, this base station comprises: receiver module 62, sending module 64, need to prove, this base station is the base station under the purpose sub-district of switching, corresponding to above-mentioned steps S506, receiver module 62 is used for receiving subscriber equipment is rebuild the Radio Link Failure of the base station transmission of asking after radio link failure takes place the process that switches to the purpose sub-district from the cell-of-origin report information; Corresponding to above-mentioned steps S508, sending module 64 is used for after receiving report information, and when satisfying predetermined condition or afterwards the source base station under the cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts.
Fig. 7 is the base station preferred construction block diagram according to the embodiment of the invention, as shown in Figure 7, this base station also comprises: judge module 72 is connected to receiver module 62 and sending module 64, this module is used to judge whether to satisfy predetermined condition, wherein, satisfying pre-defined rule can comprise one of following: scheduled duration, the wrong cell that switches reach pre-determined number at interval, the wrong cell that switches reaches predetermined probability.
Preferably, rebulid under the situation that the base station of asking is a source base station (promptly at subscriber equipment, corresponding to above-mentioned situation one, switch too early), the base station comprises that also first is provided with module 74, this module be used for information in one or more pairs of sub-districts be provided with following one of at least: the sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, wherein, the type of handover report is to switch too early.
Preferably, in the base station that subscriber equipment reconnects to be not under the situation of source base station (promptly, corresponding to above-mentioned situation two, switch to wrong cell), the base station comprises that also second is provided with module 76, this module be used for information in one or more pairs of sub-districts be provided with following one of at least: the type of handover report, the physical label of the sub-district of Radio Link Failure takes place, the sub-district overall identification of the sub-district of Radio Link Failure takes place, rebuild the physical label of the sub-district of request, rebuild the sub-district overall identification of the sub-district of request, the physical label of the cell-of-origin of switching, the sub-district overall identification of the cell-of-origin of switching, wherein, the type of this handover report is to have switched to wrong cell.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Example one switches too early
Fig. 8 is the Message Processing flow chart too early according to the switching of the embodiment of the invention, below in conjunction with Fig. 8 example one is described.
The sub-district that adjacent objects eNB is managed has taken place to switch in a sub-district (cell-of-origin) UE of source eNB (Source eNB), and after this, RLF has taken place UE, and has carried out RRC and rebuild request, is connected to the cell-of-origin of source eNB again.
Source eNB receives the transmission of UE and rebuilds after the request foundation, sign according to the RLF sub-district of carrying in the request of rebuilding, the RLF report of the eNB transmission of RLF takes place to UE, the Failure eNB that the RLF sub-district takes place receives after the RLF report, UE Context according to handoff procedure reservation before, Failure eNB just can judge the behavior that it is too early that UE switches, the statistics that it is too early that UE that too early processing also is based on the sub-district under the eNB switches carries out because source eNB switches, and then Failure eNB can reply source eNB handover report in real time.
Failure eNB according to certain criterion (for example, regular hour length, the sub-district logarithm that switches too early, perhaps switch too early probability etc.) add up it and manage the right information in too early sub-district that switches in the sub-district, under the situation that criterion satisfies, Failure eNB becomes first to information package that the message handover report sends to the cell-of-origin to the too early sub-district of all switchings.Contain the handover report type in this handover report, the handover report cell list.This handover report cell list comprises one of following information at least: Failure cell PCI, Failure cell ECGI, Source cell PCI, Source cell ECGI.Preferably, also can comprise Handover cause, indicate the reason of each switching.
Table 1 handover report
After source eNB receives handover report, collect the too early information that switches in the sub-district that eNB managed, after satisfying certain criterion, will arrive the handoff parameter of adjusting the too early sub-district that switches, optimize performance of handoffs.
Example two switches to wrong cell
Fig. 9 is the Message Processing flow chart that switches to wrong cell according to the embodiment of the invention, below in conjunction with Fig. 9 this example is elaborated.
The sub-district that the adjacent objects base station is managed has taken place to switch in a sub-district UE of source base station, and after this, RLF has taken place UE, and has carried out RRC and rebuild request, is connected to the sub-district that the 3rd base station (Re-establishment eNB) managed again.
Re-establishment eNB receives after the reconstruction request foundation of UE, sign according to the RLF sub-district of carrying in the request of rebuilding, the Failure eNB that RLF takes place to UE (promptly, target BS) sends the RLF report, the affiliated Failure eNB that the RLF sub-district takes place receives after the RLF report, UE Context according to handoff procedure reservation before, FailureeNB just can judge the switch behavior of wrong cell of UE, because the UE of the sub-district that the processing that source eNB switches to wrong cell also is based on eNB to be managed switches wrong cell statistics carry out, then Failure eNB can reply source eNB handover report in real time.
Failure eNB according to certain criterion (for example, regular hour length, the sub-district logarithm of the wrong cell that switches, perhaps switch to the probability of wrong cell etc.) add up the right information in sub-district of the wrong cell that switches in the affiliated subdistrict, under the situation that criterion satisfies, Failure eNB becomes first to information package that the message handover report sends to the cell-of-origin to all sub-districts that switches to wrong cell.Contain handover report type, handover report cell list in this handover report.This handover report cell list comprises one of following information at least: Failure cell PCI, Failure cell ECGI, Re-establishment cell PCI, Re-establishment cell ECGI, Source cell PCI, Source cell ECGI.Preferably, also can comprise Handover cause, indicate the reason of each switching.
Table 2 handover report
After source eNB receives handover report, collect the wrong cell that switches in the sub-district that eNB managed information, after satisfying certain criterion, will arrive the switch handoff parameter of wrong cell of adjustment, optimize performance of handoffs.
Figure 10 is according to the switching of the embodiment of the invention too early and switch to the compound flow chart of wrong cell, below in conjunction with Figure 10 example three and example four is described in detail.
Example three switches too early and to the wrong cell combination
The sub-district that adjacent objects eNB is managed has taken place to switch in a sub-district (cell-of-origin) UE of source eNB, and after this, RLF has taken place UE, and has carried out RRC and rebuild request, is connected to the affiliated cell-of-origin of source eNB again.Also exist some the sub-district UE under the eNB of source that the affiliated sub-district of adjacent objects eNB has taken place to switch to, after this, RLF has taken place in UE, and has carried out RRC and rebuild request, is connected to the sub-district that the 3rd base station (Re-establishment eNB) managed again.
If be reconstructed into the situation of source eNB, after source eNB receives that the reconstruction request of UE is set up, the sign of the RLF sub-district of carrying according to the request of rebuilding, the Failure eNB that RLF takes place to UE sends the RLF report, the Failure eNB that the RLF sub-district takes place receives after the RLF report, UE Context according to handoff procedure reservation before, Failure eNB just can judge the behavior that it is too early that UE switches, the statistics that it is too early that UE that too early processing also is based on the sub-district under this base station switches carries out because source eNB switches, and then Failure eNB can reply the source base station handover report in real time.If be reconstructed into the 3rd base station, be Re-establishment eNB, after Re-establishmenteNB receives that the reconstruction request of UE is set up, sign according to the RLF sub-district in the request of rebuilding, the RLF report of the Failure eNB transmission of RLF can take place to UE, after the Failure eNB that the RLF sub-district takes place received the RLF report, according to the UEContext that handoff procedure before keeps, Failure eNB just can judge the switch behavior of wrong cell of UE.
Failure eNB according to certain criterion (for example, regular hour length, the sub-district logarithm that switches too early, perhaps switch too early probability etc.) add up the right information in sub-district that switches in the affiliated subdistrict too early and switch to wrong cell, under the situation that criterion satisfies, Failure eNB switches to wrong cell to the too early sub-district of all switchings to information and all sub-district becomes first to information package that the message handover report sends to the cell-of-origin.Contain the handover report cell list in this handover report.The handover report cell list contains and comprises one of following at least information: handover report type, Failure cell PCI, Failure cell ECGI, Re-establishment cell PCI, Re-establishment cell ECGI, Source cellPCI, Source cell ECGI.Re-establishment cell PCI, Re-establishmentcell ECGI are just to exist when switching to wrong cell in the handover report type only.Preferably, in the handover report cell list, also can comprise the reason that Handover cause indicates each switching.
Table 3 handover report message
Source eNB receives after the handover report, collect the information that switches in the sub-district of managing this base station too early and switch to wrong cell, after satisfying certain criterion, will adjust the handoff parameter and the handoff parameter that switches to wrong cell of the too early sub-district that switches respectively, optimize performance of handoffs.
Example four switches too early and to the wrong cell combination
Example four is similar with example three, only different places is described below.In this example, comprise handover report type (switching too early), handover report cell list 1, handover report type (switching to wrong cell), handover report cell list 2 in the handover report.
The handover report type refers to be switched too early, and handover report cell list 1 contains the right information in the too early sub-district that at every turn switches and comprises one of following at least: Handover cause, Failure cell PCI, Failure cell ECGI, Source cell PCI, Source cell ECGI.
The handover report type refers to and switches to wrong cell, it is one of following that the right information in sub-district that handover report cell list 2 includes the wrong cell that at every turn switches comprises at least: Handover cause, Failure cell PCI, Failure cell ECGI, Re-establishmentcell PCI, Re-establishment cell ECGI, Source cell PCI, Source cellECGI.
Table 4 handover report message
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 (10)
1. switching information-processing method, comprise: subscriber equipment switches to the purpose sub-district from the cell-of-origin, Radio Link Failure has taken place in the purpose sub-district in described subscriber equipment, described subscriber equipment initiates to rebuild the report information purpose base station affiliated to described purpose sub-district that the base station of asking sends described Radio Link Failure, it is characterized in that described method also comprises:
Described purpose base station receives described report information, and when satisfying predetermined condition or afterwards, the source base station under described cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts.
2. method according to claim 1 is characterized in that, the base station of initiating the request of rebuilding at described subscriber equipment is under the situation of described source base station, and it is one of following that the handover report information of described one or more pairs of sub-districts comprises at least:
The sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, wherein, the type of described handover report is to switch too early.
3. method according to claim 1 and 2 is characterized in that, the base station of initiating the request of rebuilding at described subscriber equipment is not under the situation of described source base station, and it is one of following that the handover report information of described one or more pairs of sub-districts comprises at least:
The sub-district overall identification of the sub-district of the sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, the physical label of rebuilding the sub-district of request, reconstruction request.Wherein, the type of described handover report is to have switched to wrong cell.
4. method according to claim 1 is characterized in that, the handover report information of described one or more pairs of sub-districts comprises: the reason that this switches.
5. method according to claim 1 is characterized in that, described target BS according to pre-defined rule after described source base station sends described message, described method also comprises:
Described source base station is adjusted handoff parameter according to described message.
6. base station, comprise: receiver module, be used for receiving subscriber equipment initiates to rebuild the described Radio Link Failure of the base station transmission of asking after Radio Link Failure takes place the process that switches to the purpose sub-district from the cell-of-origin report information, it is characterized in that described base station also comprises:
Sending module is used for after receiving described report information, and when satisfying predetermined condition or afterwards the source base station under described cell-of-origin sends the message of the handover report information that carries one or more pairs of sub-districts.
7. base station according to claim 6 is characterized in that, also comprises:
Judge module is used to judge whether to satisfy described predetermined condition, wherein, satisfies described pre-defined rule and comprises one of following at least: scheduled duration, the wrong cell that switches reach pre-determined number at interval, the wrong cell that switches reaches predetermined probability.
8. base station according to claim 6, it is characterized in that, the base station of initiating the request of rebuilding at described subscriber equipment is under the situation of described source base station, and described base station comprises that also first is provided with module, be used for handover report information in described one or more pairs of sub-districts be provided with following one of at least:
The sub-district overall identification of the physical label of the cell-of-origin of the type of handover report, the physical label that the sub-district of Radio Link Failure takes place, the sub-district overall identification that the sub-district of Radio Link Failure takes place, switching, the cell-of-origin of switching, wherein, the type of described handover report is to switch too early.
9. according to claim 6 or 8 described base stations, it is characterized in that, the base station of initiating the request of rebuilding at described subscriber equipment is not under the situation of described source base station, and described base station comprises that also second is provided with module, be used for information in described one or more pairs of sub-districts be provided with following one of at least:
The physical label of the sub-district that the type of handover report, Radio Link Failure take place, Radio Link Failure take place the sub-district sub-district overall identification, switching the cell-of-origin physical label, switching the cell-of-origin the sub-district overall identification, reconnect the sub-district of request physical label, reconnect the sub-district overall identification of the sub-district of request, wherein, the type of described handover report is to have switched to wrong cell.
10. base station according to claim 6 is characterized in that, the handover report information of described one or more pairs of sub-districts comprises: the reason that this switches.
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| CN2009102236249A CN102065498A (en) | 2009-11-13 | 2009-11-13 | Switching information processing method and base station |
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