CN102369760A - Cell switching method, base station, user device and communication system - Google Patents
Cell switching method, base station, user device and communication system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
Abstract
The embodiment of the invention discloses a cell switching method, a base station, a user device and a communication system, relating to the communication technology field, and solving the problems in the prior art that the user device can not receive a switching order caused by the reduction in signal quality at a source base station side when the cell is switched, and after that, the source base station initiates a user release to cause a drop call. The method comprises the steps of using the base station to receive a first measurement report reported by the user device UE and issue a first switching order to the UE; using the base station to receive a second measurement report reported by the UE, wherein, the second measurement report is a report reported when the UE does not receive the first switching order; using the base station to cancel a switching flow triggered by the first measurement report according to the second measurement report; using the base station to judge whether to issue a second switching order to the UE after the UE is carried out the cell switching according to the second measurement report. The cell switching method, the base station, the user device and the communication system of the invention are suitable for carrying out switching for the cell to which the user device belongs.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of cell switching method, base station, subscriber equipment and communication system.
Background technology
Using UE (the User Equipment of network service; Subscriber equipment) moves to another sub-district from a sub-district; Or owing to reasons such as the adjustment of wireless transmission service load quantity, activation manipulation maintenance, equipment faults; In order to guarantee the quality of communication continuity and service, system will transfer to the communication link of this UE and former sub-district on the new sub-district, and this process is switched exactly.
In handoff procedure, measurement configuration can be sent to UE in the base station.After UE receives measurement configuration, measure and send measurement report to the base station, whether the base station can carry out the sub-district through the measurement report decision-making that UE reports switches, and after base station judgement needs to switch, issues switching command by eating dishes without rice or wine, and triggering UE switches.
In the prior art, in cell switch process, cause conversation loss easily, influence the user's communication quality.
Summary of the invention
The invention provides a kind of cell switching method, base station, subscriber equipment and communication system, can guarantee the continuity of user's communication, promote the user's communication quality.
One aspect of the present invention provides a kind of cell switching method, comprising:
The base station receives first measurement report that UE reports, and issues first switching command to said UE;
Said base station receives second measurement report that said UE reports, and said second measurement report is said UE if report when not receiving said first switching command;
The switching flow that said first measurement report triggers is cancelled according to said second measurement report in the base station;
Said base station issues second switching command to said UE after according to said second measurement report judgement said UE being carried out the sub-district switching.
The present invention provides a kind of cell switching method on the other hand again, comprising:
UE sends first measurement report to the base station;
Said UE reports second measurement report if do not receive first switching command that send said base station to said base station, and said first switching command is sent after receiving said first measurement report by said base station;
Said UE receives second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said UE is carried out the sub-district switches the back transmission;
Said UE carries out the sub-district according to said second switching command and switches.
The present invention also provides a kind of base station on the other hand, comprising:
Transceiver is used to receive first measurement report that UE reports, and issues first switching command to said UE; Receive second measurement report that UE reports, said second measurement report is said UE if report when not receiving said first switching command; And, issue second switching command to said UE according to the indication of processor;
Processor is used for cancelling the switching flow that said first measurement report triggers if said transceiver receives second measurement report that said UE reports; And after said UE being carried out the sub-district switching, indicate said transceiver to issue switching command to UE according to said second measurement report judgement.
The present invention also provides a kind of subscriber equipment on the other hand, comprising:
Reflector; Be used for sending first measurement report to the base station; And when receiver does not receive first switching command that sends said base station, sending second measurement report to said base station, said first switching command is sent after receiving said first measurement report by said base station;
Receiver; Be used to receive second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said UE is carried out the sub-district switches the back transmission;
Processor is used for carrying out the sub-district according to the switching command that said receiver receives and switches.
The present invention also provides a kind of communication system that comprises above-mentioned base station and subscriber equipment on the other hand.
The cell switching method that the embodiment of the invention provides, base station, subscriber equipment and communication system, the base station receives first measurement report of reported by user equipment UE, issues first switching command to said UE; Said base station receives second measurement report that said UE reports, and said second measurement report is said UE if report when not receiving said first switching command; The switching flow that said first measurement report triggers is cancelled according to said second measurement report in the base station; Said base station issues second switching command to said UE after according to said second measurement report judgement said UE being carried out the sub-district switching.Compared with prior art; The embodiment of the invention can avoid the base station to initiate user's release flow at subscriber equipment as if not receiving first switching command, when continuing reporting measurement reports, cancelling the switching flow that said first measurement report triggers according to said second measurement report; Cause conversation loss; Continue said UE is switched according to said second measurement report judgement, thereby the continuity of assurance user's communication promotes the user's communication quality.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of cell switching method flow chart that Fig. 1 provides for the embodiment of the invention;
The another kind of cell switching method flow chart that Fig. 2 provides for the embodiment of the invention;
Another cell switching method flow chart that Fig. 3 provides for the embodiment of the invention three;
The architecture of base station sketch map that Fig. 4, Fig. 5 provide for the embodiment of the invention;
The user device architecture sketch map that Fig. 6 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
For the advantage that makes technical scheme of the present invention is clearer, the present invention is elaborated below in conjunction with accompanying drawing and embodiment.
The technical scheme that the embodiment of the invention provides can be applied to various cordless communication networks; Code division multiple access (Code Division Multiple Access for example; CDMA), time division multiple access (Time division multiple access; TDMA), frequency division multiple access (Frequency Division Multiple Access; FDMA), OFDM (Orthogonal frequency-division multiple access, OFDMA), (single carrier FDMA is SC-FDMA) with other network etc. for single-carrier frequency division multiple access.Term " network " and " system " can mutual alternative.Cdma network for example can realize that wireless universal land inserts that (universal terrestrial radio access, UTRA), wireless skill such as CDMA2000 not UTRA can comprise the distortion of CDMA (WCDMA) and other CDMA.CDMA2000 can cover interim standard (Interim Standard, IS) 2000 (IS-2000), IS-95 and IS-856 standard.The TDMA network for example can be realized global system for mobile communications (global system for mobile communication, wireless technology such as GSM).The OFDMA network can be realized inserting (evolved UTRA such as the wireless land of evolved universal; E-UTRA), super mobile broadband (ultra mobile broadband, UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX); IEEE 802.20, wireless technologys such as Flash OFDMA.UTRA and E-UTRA are UMTS and UMTS evolution version.(long term evolution, LTE) senior (LTEAdvanced LTE-A) is to use the redaction of the UMTS of E-UTRA to 3GPP with LTE at Long Term Evolution.UTRA, E-UTRA, UMTS, LTE, LTE-A and GSM be description on the books in the document of 3GPP normal structure.CDMA2000 and UMB be description on the books in the document of 3GPP2 normal structure.The technology that the embodiment of the invention is described also can be applied in above-mentioned described wireless network and the wireless technology.
In embodiments of the present invention, the base station (base station, BS) can be with subscriber equipment (user equipment, UE) or other communication site, like relay, the website that communicates, the base station can provide the communication in physical zone to cover.One or more sub-districts can be supported in the base station.
In embodiments of the present invention, UE can be distributed in the whole wireless network, and each UE can be static state or mobile.UE can be called terminal (terminal), travelling carriage (mobile station), subscriber unit (subscriber unit), platform (station) etc.UE can be cell phone (cellular phone), and personal digital assistant (personal digital assistant, PDA); Radio modem (modem), Wireless Telecom Equipment, handheld device (handheld); Kneetop computer (laptop computer); Cordless telephone (cordless phone), WLL (wireless local loop, WLL) platform etc.
As shown in Figure 1, present embodiment provides a kind of cell switching method, and said method comprises:
101, the base station receives first measurement report that UE reports, and issues first switching command to said UE.
102, said base station receives second measurement report that said UE reports, and said second measurement report is said UE if report when not receiving said first switching command.
103, the switching flow that said first measurement report triggers is cancelled according to said second measurement report in the base station.
104, after said base station is carried out the sub-district switching according to said second measurement report judgement to said UE, issue second switching command to said UE.
In embodiments of the present invention, if said base station judges that according to said second measurement report said UE not being carried out the sub-district switches, then said base station can need not to issue said second switching command to said UE.
In embodiments of the present invention, the switching flow of said first measurement report triggering of said cancellation can comprise:
Send handover cancelling (handover cancel) order to target BS; Be used to cancel the switching flow that first measurement report triggers; Target BS is after receiving said handover cancelling order; Can be released to UE and switch the interface-free resources prepared, for example can comprise Target Cell Identifier, carrier frequency, up-downgoing resource allocation information, perhaps information such as Cell Radio Network Temporary Identifier/Identity, Cell-RNTI.Said source base station can also discharge the forwarding data of said UE, and said forwarding data can comprise the basic configuration parameter of the UE that source base station is provided when target BS sends handoff request.
As shown in Figure 2, present embodiment provides another kind of cell switching method, and said method comprises:
201, UE sends first measurement report to the base station.
202, said UE reports second measurement report if do not receive first switching command that send said base station to the base station, and said first switching command is sent after receiving said first measurement report by said base station.
203, said UE receives second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said UE is carried out the sub-district switches the back transmission.
204, said UE carries out the sub-district switching according to said second switching command.
Wherein, UE stops to upload measurement report to said base station after receiving second switching command.
Wherein, the information that comprises of said first measurement report and said second measurement report can be identical; Perhaps, the information that comprises of said first measurement report and said second measurement report is can part identical.The information that said first switching command and said second switching command comprise can be identical; Perhaps, the information that comprises of said first switching command and said second switching command is can part identical.
The cell switching method that the embodiment of the invention provides, the base station issues first switching command according to first measurement report that UE reports to said UE, triggers change action.If the signal quality variation of cell-of-origin; This moment, UE may not receive said first switching command, and UE can continue to send measurement report, for example second measurement report to UE; The base station is behind second measurement report that receives the UE transmission; Can cancel the uncompleted change action of first switching command, and can determine whether said UE is switched, UE switched if confirm according to said second measurement report; Can issue second switching command to said UE, thereby this UE can carry out the sub-district switching according to said second switching command.Compared with prior art; The embodiment of the invention can be at subscriber equipment if do not receive first switching command, when continuing reporting measurement reports; Cancel the switching flow that said first measurement report triggers, can avoid UE to continue to send measurement report, the power consumption of having saved resource and UE.And the base station can be through issuing second switching command; Continuation is switched UE, and UE is switched to Target cell, has avoided in the prior art base station not receive that for UE the measurement report that the first switching command continued is sent does not process; And cause the base station to initiate user's release flow; Conversation loss, thus the continuity of assurance user's communication promotes the user's communication quality.
As shown in Figure 3, present embodiment provides a kind of cell switching method, and said method comprises:
301, UE reports first measurement report to source base station.
For example, UE can measure according to the measurement configuration that source base station sends, and then to said source base station reporting measurement reports, this measurement report can be remembered work first measurement report.
302, said source base station sends handoff request to the residing target BS of Target cell.
Said source base station can carry out switch decision (handover decision) according to first measurement report that UE reports; Confirm whether this UE is switched; If affirmation need be switched this UE, then can send handoff request to the residing target BS of said Target cell.
303, target BS sends Handover Request Acknowledge to source base station.
Said target BS can pass through Handover Request Acknowledge, will be used for Target Cell Identifier, carrier frequency, up-downgoing resource allocation information that UE switches, and perhaps information such as Cell Radio Network Temporary Identifier/Identity, Cell-RNTI sends to source base station.
304, source base station issues first switching command to said UE.
Said source base station can send switching command to said UE behind the Handover Request Acknowledge that receives said target BS transmission, can remember and make first switching command.
If 305 said UE do not receive said first switching command, report second measurement report to said source base station.
If the signal quality variation of the sub-district at the current place of said UE does not receive the switching command that said source base station sends, then said UE continues to send measurement report to source base station, can remember and make second measurement report.Said second measurement report can be the measurement report of UE through obtaining after remeasuring; The measurement report that also before measures for it, first measurement report for example, therefore; The information that said second measurement report is comprised can be identical with said first measurement report, and is perhaps can part identical.
306, source base station carries out switch decision according to said second measurement report.
Said source base station carries out switch decision after receiving second measurement report, judge that whether said UE is carried out the sub-district switches.
307, source base station is cancelled the switching flow that said first measurement report triggers.
Said source base station is cancelled the switching flow that said first measurement report triggers; Can comprise: send the handover cancelling order to target BS; Be used to cancel the switching flow that first measurement report triggers, target BS can be released to UE and switch the interface-free resources of being prepared after receiving said handover cancelling order; For example can comprise Target Cell Identifier, carrier frequency, up-downgoing resource allocation information, perhaps information such as Cell Radio Network Temporary Identifier/Identity, Cell-RNTI.Said source base station can discharge the forwarding data of said UE, the basic configuration parameter of the said forwarding data UE that to be source base station provided when target BS sends handoff request.
In embodiments of the present invention, said step 306 and step 307 can not have the qualification of sequence of steps, for example, also can first execution in step 307 execution in step 306 again, perhaps, execution in step 306 and step 307 simultaneously.
308, source base station issues second switching command to said subscriber equipment.
If said source base station carries out switch decision according to said second measurement report, after confirming said UE switched, can send switching command to said UE, this switching command can be remembered and makes second switching command.The information that this second switching command and said first switching command comprise can be identical, and is also can part identical.
Said UE can carry out the sub-district and switch after receiving said second switching command.
The method that provides according to the embodiment of the invention; Can be at UE if do not receive first switching command, when continuing reporting measurement reports; Cancel uncompleted first change action of said first switching command, can avoid UE to continue to send measurement report, the power consumption of having saved resource and UE.And the base station can be through issuing second switching command; Continuation is switched UE, and UE is switched to Target cell, has avoided in the prior art base station not receive that for UE the measurement report that the first switching command continued is sent does not process; And cause the base station to initiate user's release flow; Conversation loss, thus the continuity of assurance user's communication promotes the user's communication quality.
Corresponding to the cell switching method that the invention described above embodiment provides, as shown in Figure 4, the embodiment of the invention provides a kind of base station, and this base station can be used to the method that realizes that the invention described above embodiment provides, and said base station can comprise:
Wherein, if said transceiver receives second measurement report that said UE reports, when the switching flow that said first measurement report of cancellation triggers, as shown in Figure 5, said processor 42 comprises:
Handover cancelling command unit 422 is used for sending the handover cancelling order to said target BS, and said handover cancelling order is used to indicate target BS to cancel the switching flow that first measurement report triggers.
Said processor 42 can also comprise releasing unit 421, is used to discharge the forwarding data of said UE, the basic configuration parameter of the said forwarding data UE that to be source base station provided when target BS sends handoff request.
The base station that the embodiment of the invention provides, transceiver 41 issues first switching command according to first measurement report that UE reports to said UE; Transceiver 41 receives second measurement report that UE report, and said second measurement report is said UE if report when not receiving said first switching command; If said transceiver 41 receives second measurement report that said UE reports, the switching flow that said first measurement report of processor 42 cancellations triggers; And after judging that according to said second measurement report said UE being carried out the sub-district switches, indicate said transceiver 41 to issue switching command to UE; Transceiver 41 issues second switching command according to the indication of processor 42 to said UE.Compared with prior art, the embodiment of the invention can be cancelled the switching flow that first measurement report triggers when UE does not receive first switching command, can avoid UE to continue to send measurement report, the power consumption of having saved resource and UE.And the base station can be through issuing second switching command; Continuation is switched UE, and UE is switched to Target cell, has avoided in the prior art base station not receive that for UE the measurement report that the first switching command continued is sent does not process; And cause the base station to initiate user's release flow; Conversation loss, thus the continuity of assurance user's communication promotes the user's communication quality.
As shown in Figure 6, present embodiment provides a kind of subscriber equipment, and said subscriber equipment comprises:
Processor 53 is used for carrying out the sub-district according to the switching command that said receiver 52 receives and switches.
Wherein, after said receiver 52 received second switching command, said reflector 51 can stop to upload measurement report to said base station.
The subscriber equipment that the embodiment of the invention provides; Reflector 51 sends first measurement report to the base station; And when receiver 52 does not receive first switching command that sends said base station; Send second measurement report to said base station, said first switching command is sent after receiving said first measurement report by said base station; Receiver 52 receives second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said UE is carried out the sub-district switches the back transmission; The switching command that processor 53 receives according to said receiver 52 carries out the sub-district and switches.Compared with prior art, the embodiment of the invention can be cancelled the switching flow that first measurement report triggers when UE does not receive first switching command, can avoid UE to continue to send measurement report, the power consumption of having saved resource and UE.And the base station can be through issuing second switching command; Continuation is switched UE, and UE is switched to Target cell, has avoided in the prior art base station not receive that for UE the measurement report that the first switching command continued is sent does not process; And cause the base station to initiate user's release flow; Conversation loss, thus the continuity of assurance user's communication promotes the user's communication quality.
The above-mentioned method embodiment that provides can be realized in the base station that the embodiment of the invention provides, and concrete function is realized seeing also the explanation among the method embodiment, repeats no more at this.The cell switching method that the embodiment of the invention provides, base station and subscriber equipment go for the sub-district at subscriber equipment place is switched, but are not limited only to this.
The embodiment of the invention also provides a kind of communication system, can comprise base station and UE.This communication system can realize like Fig. 1,2 or the cell switching method that provides of illustrated embodiment shown in Figure 3; Base station in this communication system can be with reference to the base station that provides embodiment illustrated in fig. 4; The UE that UE in this communication system can provide with reference to embodiment as shown in Figure 6 does not give unnecessary details at this one by one.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a cell switching method is characterized in that, comprising:
The base station receives first measurement report of reported by user equipment UE, issues first switching command to said UE;
Said base station receives second measurement report that said UE reports, and said second measurement report is said UE if report when not receiving said first switching command;
The switching flow that said first measurement report triggers is cancelled according to said second measurement report in the base station;
Said base station issues second switching command to said UE after according to said second measurement report judgement said UE being carried out the sub-district switching.
2. method according to claim 1 is characterized in that, the switching flow that said first measurement report of said cancellation triggers comprises:
The handover cancelling order is sent to said target BS in the base station, and said handover cancelling order is used to indicate said target BS to cancel the switching flow that said first measurement report triggers.
3. method according to claim 2 is characterized in that, the switching flow that said first measurement report of said cancellation triggers also comprises:
The base station discharges the forwarding data of said UE.
4. a cell switching method is characterized in that, comprising:
User equipment (UE) sends first measurement report to the base station;
Said UE reports second measurement report if do not receive first switching command that send said base station to said base station, and said first switching command is sent after receiving said first measurement report by said base station;
Said UE receives second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said UE is carried out the sub-district switches the back transmission;
Said UE carries out the sub-district according to said second switching command and switches.
5. method according to claim 4 is characterized in that, also comprises:
After said UE receives said second switching command, stop to upload measurement report to said base station.
6. a base station is characterized in that, comprising:
Transceiver is used to receive first measurement report of reported by user equipment UE, issues first switching command to said UE; Receive second measurement report that UE reports, said second measurement report is said UE if report when not receiving said first switching command; And, issue second switching command to said UE according to the indication of processor;
Processor is used for cancelling the switching flow that said first measurement report triggers if said transceiver receives second measurement report that said UE reports; And after said UE being carried out the sub-district switching, indicate said transceiver to issue switching command to UE according to said second measurement report judgement.
7. base station according to claim 6 is characterized in that, said processor further comprises:
The handover cancelling command unit; Be used for if said transceiver receives second measurement report that said UE reports; Send the handover cancelling order to said target BS, said handover cancelling order is used to indicate said target BS to cancel the switching flow that said first measurement report triggers.
8. base station according to claim 7 is characterized in that, said processor also comprises:
Releasing unit is used for discharging the forwarding data of said UE if said transceiver receives second measurement report that said UE reports.
9. a subscriber equipment is characterized in that, comprising:
Reflector; Be used for sending first measurement report to the base station; And when receiver does not receive first switching command that sends said base station, sending second measurement report to said base station, said first switching command is sent after receiving said first measurement report by said base station;
Receiver; Be used to receive second switching command that send said base station; Said second switching command is receiving said second measurement report by said base station; Cancel the switching flow that said first measurement report triggers, judge that according to said second measurement report said user equipment (UE) is carried out the sub-district switches the back transmission;
Processor is used for carrying out the sub-district according to the switching command that said receiver receives and switches.
10. a communication system is characterized in that, comprises arbitrary described base station like claim 6-8, and subscriber equipment as claimed in claim 9.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2011/079211 WO2012119433A1 (en) | 2011-08-31 | 2011-08-31 | Cell switchover method, base station, user equipment and communication system |
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| CN102369760A true CN102369760A (en) | 2012-03-07 |
| CN102369760B CN102369760B (en) | 2014-09-17 |
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| CN109792643A (en) * | 2016-09-30 | 2019-05-21 | 瑞典爱立信有限公司 | For mobility method and equipment based on measurement |
| WO2020253706A1 (en) * | 2019-06-17 | 2020-12-24 | 中国移动通信有限公司研究院 | Switching method, indication method, terminal, and network side device |
| US11051214B2 (en) | 2016-09-30 | 2021-06-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements for measurement based mobility |
| US11419016B2 (en) | 2016-09-30 | 2022-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements for measurement based mobility |
| US11477671B2 (en) | 2016-09-30 | 2022-10-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements for radio link measurement configuration |
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| KR20110039378A (en) * | 2008-08-11 | 2011-04-15 | 알까뗄 루슨트 | Handover method and apparatus in a wireless communications network |
| CN101772104A (en) * | 2008-12-29 | 2010-07-07 | 阿尔卡特朗讯公司 | Handover method and apparatus thereof |
| CN101888675A (en) * | 2009-05-14 | 2010-11-17 | 中兴通讯股份有限公司 | Cross-base station switching method and system in long term evolution system |
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| WO2012119433A1 (en) | 2012-09-13 |
| CN102369760B (en) | 2014-09-17 |
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