CN102711170A - Processing method of activated state optimization switch failure and base station - Google Patents
Processing method of activated state optimization switch failure and base station Download PDFInfo
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- CN102711170A CN102711170A CN2012101587714A CN201210158771A CN102711170A CN 102711170 A CN102711170 A CN 102711170A CN 2012101587714 A CN2012101587714 A CN 2012101587714A CN 201210158771 A CN201210158771 A CN 201210158771A CN 102711170 A CN102711170 A CN 102711170A
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Abstract
The embodiment of the invention relates to the technical field of communication, in particular to a processing method of an activated state optimization switch failure and a base station, and the method and the base station are used for processing a scene with the activated state optimization switch failure. The processing method of the activated state optimization switch failure provided by the embodiment of the invention comprises the following steps: an evolution base station eNB determines the activated state optimization switch failure, which aims at a terminal UE; the eNB determines a redirected frequency point and transmits a piece of redirected information comprising the redirected frequency point to the UE to indicate the terminal to be redirected on the redirected frequency point. According to the embodiment of the invention, the activated state optimization switch failure is processed, the speed for switching the UE to an opposite terminal network is further improved, and the time for a UE business deep groove is shortened.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of activated state is optimized the processing method and the base station of handoff failure.
Background technology
At E-UTRAN (the general continental rise wireless access network of evolution; Evolved Universal Terrestrial Radio Access Network) and CDMA (code division multiple access; Code Division Multiple Access) 2000HRPD (HRPD; High Rate Packed Data) during network interoperability; E-UTRAN is meant that to CDMA2000HRPD network activation attitude optimization switching the UE (terminal, User Equipment) that in E-UTRAN, is in activated state measures HRPD network neighboring cell signal quality and is better than the Serving cell signal, triggers the process that UE switches to the HRPD network cell by network side.Through such switching mode the business continuance from E-UTRAN to the HRPD network can be provided, improve the quality of user experience.
Yet;, the activated state optimization from E-UTRAN to the CDMA2000HRPD network can exist switching because MME (Mobility Management Entity; Mobility Management Entity) disconnection of network element addressing error or S101 (Interface 101) mouth or HRPD network processes are failed and are caused handoff failure; As shown in Figure 1, step 101, UE have detected the HRPD sub-district that satisfies condition when carrying out business through the E-UTRAN network, and UE sends measurement report for evolution base station eNodeB; Step 102, eNodeB make a strategic decision after receiving from the measurement report of UE and let UE switch to the HRPD network, and send switching to UE and prepare message; Step 103, UE prepare to switch according to the indication of eNodeB and prepare, and comprise the up switching direct-sending message to the content of HRPD network requests resource to the eNodeB transmission; The up switching direct-sending message of step 104, eNodeB transparent transmission UE, and send up S1CDMA2000 tunnel direct-sending message to MME; Step 105, MME handle failure or MME wait S101 mouth message is overtime or the HRPD network returns failure; Wherein MME network element addressing error is corresponding with the MME processing failure in Fig. 1 step 105; The disconnection of S101 mouth is overtime corresponding with the MME wait S101 mouth message in Fig. 1 step 105; It is corresponding that HRPD network processes failure and HRPD network in Fig. 1 step 105 return failure, and MME handles failure, MME and waits for that the overtime or HRPD network of S101 mouth message returns failure and all can cause activated state optimization handoff failure.
Cause the situation of handoff failure to MME network element, S101 mouth or the failure of HRPD network processes, also do not have a kind of processing scheme at present.
Summary of the invention
A kind of activated state that the embodiment of the invention provides is optimized the processing method and the base station of handoff failure, handles in order to the scene of activated state being optimized handoff failure.
A kind of activated state that the embodiment of the invention provides is optimized the processing method of handoff failure, comprising:
Evolution base station eNB is confirmed to optimize handoff failure to the activated state of terminal UE;
ENB confirms to be redirected frequency, and sends the redirection information that comprises redirected frequency to UE, and indicating terminal is redirected to and is redirected on the frequency.
Preferably, eNB confirms to optimize handoff failure to the activated state of terminal UE, can comprise:
ENB does not have the message of notified switching result or before timer expiry, receives the message of notice switching result at the timer expiry of setting, and during this message indication handoff failure, confirms that activated state optimizes handoff failure.
Particularly, be that general continental rise wireless access network E-UTRAN from evolution switches to HRPD HRPD network if activated state optimization is switched, the message of notice switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
Preferably, eNB confirms to be redirected frequency according to following manner:
ENB selects a subdistrict frequency point as being redirected frequency from the subdistrict frequency point that the measurement report of receiving from UE comprises.
Preferably, eNB sends to the terminal and comprises the redirection information that is redirected frequency, comprising:
ENB connects the release Indication message through radio resource control RRC and sends redirection information to the terminal.
A kind of base station provided by the invention comprises:
Determination module is used for confirming whether the activated state optimization switching to terminal UE fails;
Processing module is used for after determination module confirms to be directed against the activated state optimization handoff failure of terminal UE, confirming to be redirected frequency, and sending the redirection information that comprises redirected frequency to UE, and indicating terminal is redirected on the redirected frequency.
Preferably, determination module specifically is used for when not having the message of notified switching result at the timer expiry of setting or before timer expiry, receive the message of notice switching result, and during this message indication handoff failure, confirms that activated state optimizes handoff failure.
Particularly, be that general continental rise wireless access network E-UTRAN from evolution switches to HRPD HRPD network if activated state optimization is switched, the message of notice switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
Preferably, processing module specifically can be used for the subdistrict frequency point that comprises from the measurement report of receiving from UE, confirms that a subdistrict frequency point is as being redirected frequency.
Preferably, processing module specifically can be used for connecting the release Indication message to terminal transmission institute redirection information through radio resource control RRC.
In embodiments of the present invention; Because eNB sends the redirection information that comprises redirected frequency to UE when confirming to carry out the UE handoff failure of activated state optimization switching, UE carries out redirect action according to redirection information; Network inserts in the opposite end; Thereby realized activated state is optimized the processing of handoff failure, further improved the speed that UE switches to the opposite end network, shortened the time of UE professional zanjon.
Description of drawings
Fig. 1 optimizes the sketch map of handoff failure for the activated state of background technology part of the present invention from E-UTRAN to the HRPD network;
Fig. 2 optimizes the schematic flow sheet of the processing method of handoff failure for embodiment of the invention activated state;
Fig. 3 is that the embodiment of the invention is optimized the schematic flow sheet of the processing method of handoff failure corresponding to Fig. 2 from E-UTRAN to the HRPD activated state;
Fig. 4 is the schematic flow sheet that the activated state of the embodiment of the invention from E-UTRAN to the HRPD network optimized changing method;
Fig. 5 is the embodiment of the invention is optimized the processing method of handoff failure from E-UTRAN to the HRPD activated state a schematic flow sheet;
Fig. 6 is the structural representation of embodiment of the invention base station.
Embodiment
The embodiment of the invention when the definite activated state to terminal UE of eNB is optimized handoff failure, is sent the redirection information that comprises redirected frequency to UE, is used for indicating terminal and is redirected to redirected frequency.Because eNB sends the redirection information that comprises redirected frequency to UE after confirming to carry out the UE handoff failure of activated state optimization switching, UE carries out redirect action according to redirection information, thereby has realized activated state is optimized the processing of handoff failure.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the processing method that embodiment of the invention activated state is optimized handoff failure comprises the following steps:
Preferably, eNB confirms to optimize handoff failure to the activated state of terminal UE, can comprise:
ENB does not have the message of notified switching result or before timer expiry, receives the message of notice switching result at the timer expiry of setting, and during this message indication handoff failure, confirms that activated state optimizes handoff failure.
Particularly, be the switching that switches to HRPD HRPD network from the general continental rise wireless access network E-UTRAN of evolution if activated state optimization is switched, the message of then notifying switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
Preferably, eNB is sending the message that after the message of opposite end network requests resource, starts wait order switching results such as timer.
Preferably, in the message of notice switching result, there is a unit to be used for indicating handover success or failure.
Preferably, eNB confirms to be redirected frequency according to following manner:
ENB selects a subdistrict frequency point as being redirected frequency from the subdistrict frequency point that the measurement report of receiving from UE comprises.
Particularly; ENB estimates the performance parameter of each subdistrict frequency point of comprising in the measurement report, selects the best subdistrict frequency point of performance parameter as being redirected frequency, and wherein performance parameter can be some parameters; Such as signal quality also can be the comprehensive of part or all parameters.
Preferably, select to want to guarantee that UE has good signal quality and networking reliability as the subdistrict frequency point that is redirected frequency.
Preferably, eNB sends to the terminal and comprises the redirection information that is redirected frequency, comprising:
ENB connects the release Indication message through radio resource control RRC and sends redirection information to the terminal.
ENB also can directly send to the terminal and comprise the redirection information that is redirected frequency, can also send redirection information to the terminal through other message that comprises redirection information, and indicating terminal carries out redirect action.
Preferably; Adopt the embodiment of the invention can make the UE that optimizes under the failed handoff scenario in activated state quicken to be linked into objective network; Shorten the time of professional zanjon; Service outage duration is minimized, can guarantee also that simultaneously optimizing UE under the failed handoff scenario in activated state is linked in the good sub-district of signal quality and goes; Wherein, professional zanjon just is meant that the business that UE is using interrupts, and when downloading such as UE, has no flow suddenly.
As shown in Figure 3, the embodiment of the invention is optimized handoff failure from E-UTRAN to HRPD network activation attitude processing method comprises the following steps:
When step 301, eNodeB receive from the up switching direct-sending message of UE, send up S1CDMA2000 tunnel direct-sending message to MME, and start timer;
In the practical implementation, in the step 301, eNodeB starts timer and waits for the descending S1CDMA2000 tunnel direct-sending message from MME after having sent up S1CDMA2000 tunnel direct-sending message.
Preferably, after execution of step 302, eNB confirms to optimize handoff failure to the activated state of terminal UE.
In the enforcement; ENB is after the activated state optimization handoff failure of confirming to terminal UE; The measurement report from UE according to receiving is confirmed the redirection information about the HRPD network cell; And sending the RRC connection release message comprise redirection information to UE, indication UE is redirected to target HRPD sub-district fast.
Preferably; ENB can connect the release Indication message through radio resource control RRC and send redirection information to the terminal; Also can directly send the redirection information that comprises redirected frequency, can also send redirection information through other message that comprises redirection information to the terminal.
In the enforcement, UE carries out redirect action according to the redirection information of receiving, insert at Target cell, and it is professional to continue PS.
Preferably, adopt the embodiment of the invention to make to optimize UE under the failed handoff scenario and be redirected to apace in the good network of signal quality and go in activated state.
To take situation about handling when example that two activated state optimizations from the E-UTRAN network to the HRPD network switch specifically describes situation that normal activated state optimization switches with activated state optimization handoff failure below.
As shown in Figure 4, the activated state of the embodiment of the invention from E-UTRAN to the HRPD network optimized changing method and comprised the following steps:
Step 401, UE have detected the HRPD sub-district that satisfies condition when carrying out business through the E-UTRAN network, and UE sends measurement report to eNodeB;
Step 402, eNodeB make a strategic decision after receiving from the measurement report of UE and let UE switch to the HRPD network, and send switching to UE and prepare message;
Step 403, UE initiate to switch according to eNodeB indication preparation, and comprise the up switching direct-sending message to the content of HRPD network requests resource to the eNodeB transmission;
The up switching direct-sending message of step 404, eNodeB transparent transmission UE, and send up S1CDMA2000 tunnel direct-sending message to MME, eNodeB starts the descending S1CDMA2000 tunnel direct-sending message that timer is waited for MME;
The up S1 CDMA2000 tunnel direct-sending message of step 405, MME transparent transmission eNodeB, and send the S101 direct-sending message to evolution Access Network eAN;
The resource packet that step 406, eAN will distribute to the HRPD network of UE is contained in the S101 direct-sending message, and sends the S101 direct-sending message to MME;
Step 407, MME transparent transmission S101 direct-sending message, and the descending S1 CDMA2000 tunnel direct-sending message that sends the resource comprised the HRPD network is to eNodeB;
Step 408, eNodeB learn that through the indication information in the descending S1 CDMA2000 tunnel direct-sending message HRPD network distributed the resource of representing that this UE can handover success for UE; ENodeB to UE send comprise the HRPD Internet resources leave E-UTRAN message, be used for indicating the UE can be in the HRPD network insertion;
Step 409, UE are utilized in the resource that obtains in the step 308, in the HRPD network insertion.
The method that the activated state optimization from the E-UTRAN network to the HRPD network that the embodiment of the invention provides is switched can provide the business continuance from the E-UTRAN network to the HRPD network, thereby improves user's experience.
As shown in Figure 5, the embodiment of the invention is optimized handoff failure from E-UTRAN to the HRPD activated state processing method comprises the following steps:
Step 501, UE have detected the HRPD sub-district that satisfies condition when carrying out business through the E-UTRAN network, and UE sends measurement report to eNodeB;
Step 502, eNodeB make a strategic decision after receiving from the measurement report of UE and let UE switch to the HRPD network, and send switching to UE and prepare message;
Step 503, UE prepare to switch according to the indication of eNodeB and prepare, and comprise the up switching direct-sending message to the content of HRPD network requests resource to the eNodeB transmission;
The up switching direct-sending message of step 504, eNodeB transparent transmission UE, and send up S1CDMA2000 tunnel direct-sending message to MME; ENodeB starts timer and waits for the descending S1 CDMA2000 of MME tunnel direct-sending message, if timer expiry does not also receive this message, flow process forwards step 408 to;
The up S1 CDMA2000 tunnel direct-sending message of step 505, MME transparent transmission eNodeB, and to eAN (evolved AccessNetwork, evolution Access Network) transmission S101 direct-sending message;
The HRPD Internet resources that step 506, eAN will distribute to UE are included in the S101 direct-sending message, and send the S101 direct-sending message to MME;
Step 507, MME transparent transmission S101 direct-sending message, and send descending S1 CDMA2000 tunnel direct-sending message to eNodeB, comprised the resource of HRPD network in the wherein descending S1 CDMA2000 tunnel direct-sending message;
Step 508, when timer expiry does not receive descending S1 CDMA2000 tunnel direct-sending message or before timer expiry, received the descending S1 CDMA2000 tunnel direct-sending message of indication handoff failure; ENodeB sends radio resource control RRC and connects the release Indication message to UE; Comprise in this message UE is redirected to the redirection information on the frequency of appointment, wherein being redirected frequency point information is to select in the subdistrict frequency point in the measurement report that UE reports from step 501;
Step 509, UE carry out redirect action, in the HRPD network insertion.
The processing method that the activated state from the E-UTRAN network to the HRPD network that the embodiment of the invention provides is optimized handoff failure can make the UE that optimizes handoff failure from the E-UTRAN network to HRPD network activation attitude switch to the opposite end network fast; Shorten the professional zanjon time of UE, thereby shorten service outage duration.
Wherein, the activated state optimization of embodiment of the invention switching includes but not limited to the switching between the above-mentioned network of mentioning.
Based on same inventive concept, a kind of base station also is provided in the embodiment of the invention, because the principle of dealing with problems in the base station is similar with the method for the embodiment of the invention, so the enforcement of base station can repeat part and repeat no more referring to the enforcement of method.
Fig. 6 is the structural representation of embodiment of the invention base station, and is as shown in the figure, and the base station of the embodiment of the invention comprises:
Preferably; Determination module 601 specifically is used for when not having the message of notified switching result or before timer expiry, receive the message of notifying switching result at the timer expiry of setting; And during this message indication handoff failure, confirm activated state optimization handoff failure.
In the practical implementation, be that general continental rise wireless access network E-UTRAN from evolution switches to HRPD HRPD network if activated state optimization is switched, the message of then notifying switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
Preferably, processing module 602 specifically can be used for from the subdistrict frequency point of receiving from the measurement report of UE, confirms that a subdistrict frequency point is as being redirected frequency.
In the enforcement, processing module 602 specifically can be used for connecting the release Indication message through radio resource control RRC and send institute's redirection information to the terminal.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. an activated state is optimized the processing method of handoff failure, it is characterized in that this method comprises:
Evolution base station eNB is confirmed to optimize handoff failure to the activated state of terminal UE;
Said eNB confirms to be redirected frequency, and sends the redirection information that comprises redirected frequency to said UE, indicates said UE to be redirected on the said redirected frequency.
2. the method for claim 1 is characterized in that, said eNB sends to said terminal and comprises the redirection information that is redirected frequency, comprising:
Said eNB connects the release Indication message through radio resource control RRC and sends said redirection information to said terminal.
3. the method for claim 1 is characterized in that, said eNB confirms to be redirected frequency according to following manner:
Said eNB selects a subdistrict frequency point as being redirected frequency from the subdistrict frequency point that the measurement report of receiving from said UE comprises.
4. like the arbitrary described method of claim 1 ~ 3, it is characterized in that said eNB confirms to optimize handoff failure to the activated state of terminal UE, comprising:
Said eNB does not have the message of notified switching result or before timer expiry, receives the message of notice switching result at the timer expiry of setting, and during this message indication handoff failure, confirms that activated state optimizes handoff failure.
5. method as claimed in claim 4; It is characterized in that; If it is that general continental rise wireless access network E-UTRAN from evolution switches to HRPD HRPD network that activated state optimization is switched, the message of notice switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
6. a base station is characterized in that, this base station comprises:
Determination module is used for confirming whether the activated state optimization switching to terminal UE fails;
Processing module is used for after said determination module confirms to be directed against the activated state optimization handoff failure of terminal UE, confirming to be redirected frequency, and sending the redirection information that comprises redirected frequency to said UE, indicates said terminal to be redirected on the said redirected frequency.
7. base station as claimed in claim 6 is characterized in that, said processing module specifically is used for connecting the release Indication message through radio resource control RRC and sends said redirection information to said terminal.
8. base station as claimed in claim 6 is characterized in that, said processing module specifically is used for the subdistrict frequency point that comprises from the measurement report of receiving from said UE, confirms that a subdistrict frequency point is as being redirected frequency.
9. like the arbitrary described base station of claim 6 ~ 8; It is characterized in that; Said determination module; Specifically be used for when not having the message of notified switching result at the timer expiry of setting or before timer expiry, receive the message of notice switching result, and during this message indication handoff failure, confirm that activated state optimizes handoff failure.
10. base station as claimed in claim 9; It is characterized in that; If it is that general continental rise wireless access network E-UTRAN from evolution switches to HRPD HRPD network that activated state optimization is switched, the message of notice switching result is descending S1 code division multiple access CDMA2000 tunnel direct-sending message.
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