CN107708160A - A kind of detection method and device switched too early - Google Patents

A kind of detection method and device switched too early Download PDF

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Publication number
CN107708160A
CN107708160A CN201610645459.6A CN201610645459A CN107708160A CN 107708160 A CN107708160 A CN 107708160A CN 201610645459 A CN201610645459 A CN 201610645459A CN 107708160 A CN107708160 A CN 107708160A
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China
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terminal
cell
early
target
occurs
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方建民
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ZTE Corp
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ZTE Corp
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Priority to CN201610645459.6A priority Critical patent/CN107708160A/en
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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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of detection method and device switched too early, including：Source base station obtains the relevant information of terminal access cell after initiating terminal is by switching of the cell-of-origin of source base station to the Target cell of target BS；Judge whether the relevant information of the terminal access cell meets too early switching condition；When the relevant information of terminal access cell meets the too early switching condition, determining the terminal, there occurs too early switching.

Description

A kind of detection method and device switched too early
Technical field
The present invention relates to the too early handoff technique in the communications field, more particularly to a kind of detection method switched too early and dress Put.
Background technology
Long Term Evolution (LTE, Long Term Evolution) network includes the universal land radio access web (E- of evolution UTRAN, Evolved Universal Terrestrial Radio Access Network) and core net (CN, Core Network).Wherein, E-UTRAN includes evolution base station (eNB, evolved Node B).CN include mobile management entity (MME, Mobile Management Entity) and gateway (S-GW, Serving Gateway) etc..Pass through S1 between eNB and CN Interface connects, and can be connected between eNB by X2 interface.One eNB can manage one or more cells (Cell).User equipment The interface of (UE, User Equipment) between cell is referred to as Uu mouths (or to eat dishes without rice or wine).
In order to reduce the manual intervention to network, O＆M cost is reduced, while improves the performance and stability of network, the 3rd Introduced for partner program (3GPP, Third Generation Partnership Projects) in E-UTRAN systems Self-organizing network (SON, Self-Organized Network) concept.Mobile robustness optimization (MRO, Mobility Robustness Optimization) critical function as SON, by switching too early, switching too late, being switched to The detection and statistical analysis of wrong cell etc., consult the mobility parameters between adjustment neighbor cell, to reduce connection failure (Connection Failure), including handoff failure (HOF, Handover Failure), the Radio Link of switching correlation lose Lose (RLF, Radio Link Failure).
At present in LTE system, UE can first break in the handoff procedure of the cell from eNB cell to another eNB The connection with cell-of-origin is driveed, then carries out the connection with Target cell, this will cause UE the service disconnection of short time occur.One kind is kept away It is that UE keeps connection until UE and target with cell-of-origin as far as possible in handoff procedure to exempt from UE the method that short time service interrupts occur Cell is successfully established connection.But this will influence the performance of realizing of existing MRO functions, especially influence the detection to switching too early.
Therefore, how to introduce with after the switching of cell-of-origin holding connection, remaining to realize well to switching too early Detection be to have the problem of to be solved.
The content of the invention
In order to solve the above technical problems, the embodiments of the invention provide a kind of detection method and device switched too early, energy It is enough to introduce with after the switching of cell-of-origin holding connection, realizing the detection to switching too early well.
The detection method provided in an embodiment of the present invention switched too early, applied to source base station, methods described includes：
After initiating terminal is by switching of the cell-of-origin of source base station to the Target cell of target BS, it is small to obtain terminal access The relevant information in area；
Judge whether the relevant information of the terminal access cell meets too early switching condition；
When the terminal access cell relevant information meet the too early switching condition when, determine the terminal there occurs Switching too early.
In the embodiment of the present invention, the relevant information for obtaining terminal access cell；Judge the terminal access cell Whether relevant information meets too early switching condition, including：
Receive the terminal access configured information that the target BS is sent；
Configured information is accessed according to the terminal, judges whether following event occurs：Terminal accesses before current time Target cell is crossed, and terminal accesses cell-of-origin at current time；
When the event occurs and the terminal contexts release of target BS transmission is not received by before timer expiry During message, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal access configured information is the configured information that terminal accesses cell；
The terminal access configured information for receiving the target BS and sending, including：
When the target BS receives random access guiding or the first predetermined uplink message or the RRC companies of terminal Connect when matching somebody with somebody completion message or first upstream data again, receive the terminal access configured information that the target BS is sent.
In the embodiment of the present invention, the relevant information for obtaining terminal access cell；Judge the terminal access cell Whether relevant information meets too early switching condition, including：
Receive the terminal connection failure information that the terminal is sent；
According to the terminal connection failure information, judge whether following event occurs：
Terminal is linked into the procedure failure of Target cell, and terminal accesses cell-of-origin at current time；
When the event occurs, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal connection failure information be used for instruction terminal and one or more cells there occurs Connection failure.
In the embodiment of the present invention, whether the relevant information for judging the terminal access cell meets to switch bar too early Part, including：
Judge whether following event occurs：Terminal still accesses cell-of-origin in moment of time-out of timer；
When the event occurs, judging terminal, there occurs too early switching.
The detection means provided in an embodiment of the present invention switched too early, applied to source base station, described device includes：
Switching initiate unit, for initiating terminal by source base station cell-of-origin to the Target cell of target BS switching；
Detection unit, for obtaining the relevant information of terminal access cell；Judge the correlation of the terminal access cell Whether information meets too early switching condition；When the relevant information of terminal access cell meets the too early switching condition, Determining the terminal, there occurs too early switching.
In the embodiment of the present invention, the detection unit includes：
First detection sub-unit, configured information is accessed for receiving the terminal that the target BS is sent；According to the end Terminate into configured information, judge whether following event occurs：Terminal accessed Target cell before current time, and terminal exists Current time accesses cell-of-origin；When the event occurs and the terminal of target BS transmission is not received by before timer expiry During context release message, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal access configured information is the configured information that terminal accesses cell；
First detection sub-unit, it is additionally operable to when the target BS receives the random access guiding or the of terminal Completion message or first upstream data are matched somebody with somebody in one predetermined uplink message or RRC connections again when, the target BS is received The terminal access configured information of transmission.
In the embodiment of the present invention, the detection unit includes：
Second detection sub-unit, the terminal connection failure information sent for receiving the terminal；Connected according to the terminal Failure information is connect, judges whether following event occurs：Terminal is linked into the procedure failure of Target cell, and terminal is at current time Access cell-of-origin；When the event occurs, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal connection failure information be used for instruction terminal and one or more cells there occurs Connection failure.
In the embodiment of the present invention, the detection unit includes：
3rd detection sub-unit, for judging whether following event occurs：Terminal still accesses source in moment of time-out of timer Cell；When the event occurs, judging terminal, there occurs too early switching.
In the technical scheme of the embodiment of the present invention, source base station is in initiating terminal by the cell-of-origin of source base station to target BS After the switching of Target cell, the relevant information of terminal access cell is obtained；Judging the relevant information of the terminal access cell is It is no to meet too early switching condition；When the relevant information of terminal access cell meets the too early switching condition, institute is determined Stating terminal, there occurs too early switching.Using the such scheme of the embodiment of the present invention, cutting for connection is kept with cell-of-origin introducing After changing, remain to realize the detection to too early switching well.
Brief description of the drawings
Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is the schematic flow sheet one of the detection method of the too early switching of the embodiment of the present invention；
Fig. 2 is the schematic flow sheet two of the detection method of the too early switching of the embodiment of the present invention；
Fig. 3 is the schematic flow sheet three of the detection method of the too early switching of the embodiment of the present invention；
Fig. 4 is the schematic flow sheet four of the detection method of the too early switching of the embodiment of the present invention；
Fig. 5 is the structure composition schematic diagram of the detection means of the too early switching of the embodiment of the present invention.
Embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings to this hair The realization of bright embodiment is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for limiting the embodiment of the present invention.
Fig. 1 is the schematic flow sheet one of the detection method of the too early switching of the embodiment of the present invention, cutting too early in this example The detection method changed is applied to source base station, as shown in figure 1, the detection method switched too early comprises the following steps：
Step 101：After initiating terminal is by switching of the cell-of-origin of source base station to the Target cell of target BS, obtain eventually Terminate the relevant information into cell.
In the embodiment of the present invention, initiating terminal by source base station cell-of-origin to the Target cell of target BS switching Afterwards, configured information is accessed according to the terminal obtained from the target BS or believed according to the terminal connection failure obtained from terminal Cease or by voluntarily judging, detect whether the terminal occurs to switch too early.
It can be seen that the relevant information of terminal access cell refers to：Terminal access configured information that the target BS obtains or According to the terminal connection failure information obtained from terminal or the information voluntarily obtained.
Step 102：Judge whether the relevant information of the terminal access cell meets too early switching condition.
Here, switching refers to too early：Terminal (also referred to as UE) from cell-of-origin during Target cell is switched to, or is cut Change to and RLF or HOF occurs after Target cell in the short time, then attempt to be rebuild in cell-of-origin.
Step 103：When the relevant information of terminal access cell meets the too early switching condition, the end is determined There occurs too early switching at end.
The embodiment of the present invention is particularly suitable for use in LTE network, and in the lte networks, base station refers to eNB, and accordingly, source base station is Finger source eNB, target BS refer to target eNB.
Source eNB after switchings of the UE by cell-of-origin (belonging to source eNB) to Target cell (belonging to target eNB) is initiated, Source eNB is according to the UE access configured informations obtained from target eNB or according to the UE connection failures information obtained from UE or passes through Voluntarily judge, whether there occurs too early switching by detection UE.
In the first embodiment, the relevant information for obtaining terminal access cell；Judge the terminal access cell Relevant information whether meet too early switching condition, including：
Receive the terminal access configured information that the target BS is sent；
Configured information is accessed according to the terminal, judges whether following event occurs：Terminal accesses before current time Target cell is crossed, and terminal accesses cell-of-origin at current time；
When the event occurs and the terminal contexts release of target BS transmission is not received by before timer expiry During message, judging terminal, there occurs too early switching.
In the lte networks, source eNB understands that UE has once accessed Target cell according to the UE access configured informations received, and UE Cell-of-origin is remained at present, and in timer TX2RELCCoverallTarget eNB UE contexts release (UE is not received before time-out Context Release) message, therefore, source eNB can determine whether out UE, and there occurs too early switching.
In such scheme, timer TX2RELOCoverallRefer to：By X2 interface signaling to be small between source eNB and target eNB After resource preparation is carried out in area's switching, a timer, referred to as timer TX2 will be openedRELOCoverall.This timer is used for Monitoring source eNB is before timer expiry either with or without the UE context release messages for receiving target eNB.
The terminal access configured information is the configured information that terminal accesses cell；
The terminal access configured information for receiving the target BS and sending, including：
When the target BS receives the random access guiding or the first predetermined uplink message or wireless of terminal Completion message or first upstream data are matched somebody with somebody in resources control (RRC, Radio Resource Control) connection again when, receive The terminal access configured information that the target BS is sent.
In the lte networks, UE accesses configured information and can be triggered by following condition and be sent to source eNB by target eNB：
Target eNB receives UE random access guiding (Random Access Preamble)；
Target eNB receives UE the first predetermined uplink message (First Scheduled UL Transmission)；
Target eNB receives UE RRC connections again with completion (RRC Connection Reconfiguration Complete) message；
Target eNB receives UE first upstream data.
In this second embodiment, the relevant information for obtaining terminal access cell；Judge the terminal access cell Relevant information whether meet too early switching condition, including：
Receive the terminal connection failure information that the terminal is sent；
According to the terminal connection failure information, judge whether following event occurs：
Terminal is linked into the procedure failure of Target cell, and terminal accesses cell-of-origin at current time；
When the event occurs, judging terminal, there occurs too early switching.
The terminal connection failure information is used for instruction terminal, and there occurs connection failure with one or more cells.
In the lte networks, source eNB according to the UE connection failures information received understand UE be connected to Target cell there occurs Failure, and UE remains in cell-of-origin, therefore, source eNB can determine whether out UE, and there occurs too early switching.
In the third embodiment, whether the relevant information for judging the terminal access cell meets to switch bar too early Part, including：
Judge whether following event occurs：Terminal still accesses cell-of-origin in moment of time-out of timer；
When the event occurs, judging terminal, there occurs too early switching.
In the lte networks, source eNB knows UE in timer TX2RELOCoverallWhen the overtime moment remains in cell-of-origin, source ENB judges UE, and there occurs too early switching.
Fig. 2 is the schematic flow sheet two of the detection method of the too early switching of the embodiment of the present invention, as shown in Fig. 2 the mistake The detection method early switched comprises the following steps：
Step 201：Source eNB sends handover request (HANDOVER REQUEST) message to target eNB.
Here, UE is switched to target eNB Target cell by eNB triggerings in source from source eNB cell-of-origin, and UE is switching During keep and the connection of cell-of-origin.
Step 202：Target eNB receives HANDOVER REQUEST message, and target eNB agrees to UE handover request, Xiang Yuan ENB returns to Handover Request Acknowledge (HANDOVER REQUEST ACKNOWLEDGE) message.
Step 203：Source eNB receives HANDOVER REQUEST ACKNOWLEDGE message, determines that target eNB has agreed to UE Handover request, source eNB by cell-of-origin to UE send RRC connections match somebody with somebody (RRC Connection Reconfiguration) again Message.
Step 204：UE receives RRC Connection Reconfiguration message, according to the configuration carried in message Information carries out the configuration of Radio Resource to UE, and UE keeps the connection with cell-of-origin as far as possible in handoff procedure.
Step 205：UE carries out random access procedure with Target cell.
Step 206：UE sends RRC Connection Reconfiguration Complete message to Target cell.
Step 207：Target eNB sends UE access configured informations to source eNB, and instruction UE has accessed Target cell.
Step 208：Source eNB understands that UE has once accessed Target cell according to the UE access configured informations received, and UE is still stayed In cell-of-origin, and in timer TX2RELOCoverallTarget eNB UE context release messages, therefore, source are not received before time-out ENB judges UE, and there occurs too early switching.
Here, after UE is successfully accessed to Target cell, target eNB will send UE access configured informations to source eNB, with Show that UE has accessed Target cell.Source eNB understands that UE had once accessed Target cell and UE according to the UE access configured informations received Cell-of-origin is remained in, however, source eNB is in timer TX2RELOCoverallIf target eNB UE contexts are not received before time-out Release message, then show UE there occurs HOF or RLF, UE when accessing Target cell that cell-of-origin, this feelings can be linked into again Namely there occurs too early switching for condition.
Fig. 3 is the schematic flow sheet three of the detection method of the too early switching of the embodiment of the present invention, as shown in figure 3, the mistake The detection method early switched comprises the following steps：
Step 301：Source eNB sends HANDOVER REQUEST message to target eNB.
Here, UE is switched to target eNB Target cell by eNB triggerings in source from source eNB cell-of-origin, and UE is switching During keep and the connection of cell-of-origin.
Step 302：Target eNB receives HANDOVER REQUEST message, and target eNB agrees to UE handover request, Xiang Yuan ENB returns HANDOVER REQUEST ACKNOWLEDGE message.
Step 303：Source eNB receives HANDOVER REQUEST ACKNOWLEDGE message, determines that target eNB has agreed to UE Handover request, source eNB by cell-of-origin to UE send RRC Connection Reconfiguration message.
Step 304：UE receives RRC Connection Reconfiguration message, according to the configuration carried in message Information carries out the configuration of Radio Resource to UE, and UE keeps the connection with cell-of-origin as far as possible in handoff procedure.
Step 305：UE is connected to Target cell and failed, but is remained with the connection of cell-of-origin.
Step 306：UE sends UE connection failure information to cell-of-origin, and instruction UE is connected to Target cell and failed.
Step 307：Source eNB understands that UE is connected to Target cell and failed according to the UE connection failures information received, And UE remains in cell-of-origin, therefore, source eNB judges UE, and there occurs too early switching.
Here, after UE access Target cells fail, UE will send UE connection failure information to source eNB, with table The bright Target cell that is connected to is failed.Source eNB understands that UE is connected to Target cell according to the UE connection failures information received Failed, UE can be linked into cell-of-origin again, and namely there occurs too early switching for such case.
Fig. 4 is the schematic flow sheet four of the detection method of the too early switching of the embodiment of the present invention, as shown in figure 4, the mistake The detection method early switched comprises the following steps：
Step 401：Source eNB triggers the Target cell that UE is switched to target eNB from source eNB cell-of-origin, and UE exists The connection with cell-of-origin is kept in handoff procedure.Source eNB sends HANDOVER REQUEST message to target eNB.
Step 402：Target eNB receives HANDOVER REQUEST message, and target eNB agrees to UE handover request, Xiang Yuan ENB returns HANDOVER REQUEST ACKNOWLEDGE message.
Step 403：Source eNB receives HANDOVER REQUEST ACKNOWLEDGE message, determines that target eNB has agreed to UE Handover request, source eNB starts timer TX2RELOCoverall；Source eNB sends RRC Connection by cell-of-origin to UE Reconfiguration message.
Step 404：UE receives RRC Connection Reconfiguration message, according to the configuration carried in message Information carries out the configuration of Radio Resource to UE, and UE keeps the connection with cell-of-origin as far as possible in handoff procedure.
Step 405：Source eNB monitors UE in timer TX2RELOCoverallThe overtime moment remains in cell-of-origin, therefore, source ENB judges UE, and there occurs too early switching.
Here, UE is in timer TX2RELOCoverallThe overtime moment remains in cell-of-origin, indicates UE and is connected to Target cell Failed, but remained with the connection of cell-of-origin, it is seen then that source eNB monitors UE in timer TX2RELOCoverallIt is super When the moment remain in cell-of-origin and can determine UE there occurs too early switching.
Fig. 5 is the structure composition schematic diagram of the detection means of the too early switching of the embodiment of the present invention, too early in this example The detection means of switching is applied to source base station, as shown in figure 5, described device includes：
Unit 51, cell-of-origin the cutting to the Target cell of target BS for initiating terminal by source base station are initiated in switching Change；
Detection unit 52, for obtaining the relevant information of terminal access cell；Judge the correlation of the terminal access cell Whether information meets too early switching condition；When the relevant information of terminal access cell meets the too early switching condition, Determining the terminal, there occurs too early switching.
In the embodiment of the present invention, the detection unit 52 includes：
First detection sub-unit 521, configured information is accessed for receiving the terminal that the target BS is sent；According to described Terminal accesses configured information, judges whether following event occurs：Terminal accessed Target cell, and terminal before current time Cell-of-origin is accessed at current time；When the event occurs and the end of target BS transmission is not received by before timer expiry When holding context release message, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal access configured information is the configured information that terminal accesses cell；
First detection sub-unit 521, be additionally operable to when the target BS receive terminal random access guiding or Completion message or first upstream data are matched somebody with somebody in first predetermined uplink message or RRC connections again when, the target base is received The terminal sent of standing accesses configured information.
In the embodiment of the present invention, the detection unit 52 includes：
Second detection sub-unit 522, the terminal connection failure information sent for receiving the terminal；According to the terminal Connection failure information, judges whether following event occurs：Terminal is linked into the procedure failure of Target cell, and terminal is when current Carve access cell-of-origin；When the event occurs, judging terminal, there occurs too early switching.
In the embodiment of the present invention, the terminal connection failure information be used for instruction terminal and one or more cells there occurs Connection failure.
In the embodiment of the present invention, the detection unit 52 includes：
3rd detection sub-unit 523, for judging whether following event occurs：Terminal still accesses in moment of time-out of timer Cell-of-origin；When the event occurs, judging terminal, there occurs too early switching.
It will be appreciated by those skilled in the art that each unit in the detection means of too early switching shown in Fig. 5 realizes work( The associated description of the foregoing detection method switched too early can be can refer to and understood.In the detection means of too early switching shown in Fig. 5 The function of each unit can be realized by running on the program on processor, can also be realized by specific logic circuit.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (12)

  1. A kind of 1. detection method switched too early, applied to source base station, it is characterised in that methods described includes：
    After initiating terminal is by switching of the cell-of-origin of source base station to the Target cell of target BS, terminal access cell is obtained Relevant information；
    Judge whether the relevant information of the terminal access cell meets too early switching condition；
    When the relevant information of terminal access cell meets the too early switching condition, determine that there occurs too early for the terminal Switching.
  2. 2. the detection method according to claim 1 switched too early, it is characterised in that the terminal that obtains accesses cell Relevant information；Judge whether the relevant information of the terminal access cell meets too early switching condition, including：
    Receive the terminal access configured information that the target BS is sent；
    Configured information is accessed according to the terminal, judges whether following event occurs：Terminal is accessed before current time and looked over so as to check Cell is marked, and terminal accesses cell-of-origin at current time；
    When the event occurs and the terminal contexts release message of target BS transmission is not received by before timer expiry When, judging terminal, there occurs too early switching.
  3. 3. the detection method according to claim 2 switched too early, it is characterised in that the terminal accesses configured information and is Terminal accesses the configured information of cell；
    The terminal access configured information for receiving the target BS and sending, including：
    When the target BS receives the random access guiding or the first predetermined uplink message or Radio Resource of terminal Completion message or first upstream data are matched somebody with somebody in control RRC connections again when, the terminal access instruction that the target BS is sent is received Information.
  4. 4. the detection method according to claim 1 switched too early, it is characterised in that the terminal that obtains accesses cell Relevant information；Judge whether the relevant information of the terminal access cell meets too early switching condition, including：
    Receive the terminal connection failure information that the terminal is sent；
    According to the terminal connection failure information, judge whether following event occurs：
    Terminal is linked into the procedure failure of Target cell, and terminal accesses cell-of-origin at current time；
    When the event occurs, judging terminal, there occurs too early switching.
  5. 5. the detection method according to claim 4 switched too early, it is characterised in that the terminal connection failure information is used In instruction terminal, there occurs connection failure with one or more cells.
  6. 6. the detection method according to claim 1 switched too early, it is characterised in that described to judge that the terminal access is small Whether the relevant information in area meets too early switching condition, including：
    Judge whether following event occurs：Terminal still accesses cell-of-origin in moment of time-out of timer；
    When the event occurs, judging terminal, there occurs too early switching.
  7. A kind of 7. detection means switched too early, applied to source base station, it is characterised in that described device includes：
    Switching initiate unit, for initiating terminal by source base station cell-of-origin to the Target cell of target BS switching；
    Detection unit, for obtaining the relevant information of terminal access cell；Judge the relevant information of the terminal access cell Whether too early switching condition is met；When the relevant information of terminal access cell meets the too early switching condition, it is determined that There occurs too early switching for the terminal.
  8. 8. the detection means according to claim 7 switched too early, it is characterised in that the detection unit includes：
    First detection sub-unit, configured information is accessed for receiving the terminal that the target BS is sent；Connect according to the terminal Enter configured information, judge whether following event occurs：Terminal accessed Target cell before current time, and terminal is current Moment accesses cell-of-origin；When the event occurs and above and below the terminal of target BS transmission is not received by before timer expiry During literary release message, judging terminal, there occurs too early switching.
  9. 9. the detection means according to claim 8 switched too early, it is characterised in that the terminal accesses configured information and is Terminal accesses the configured information of cell；
    First detection sub-unit, it is additionally operable to when the target BS receives the random access guiding or first pre- of terminal When determining uplink message or RRC connections and matching somebody with somebody completion message or first upstream data again, receive the target BS and send Terminal access configured information.
  10. 10. the detection means according to claim 7 switched too early, it is characterised in that the detection unit includes：
    Second detection sub-unit, the terminal connection failure information sent for receiving the terminal；Connected and lost according to the terminal Information is lost, judges whether following event occurs：Terminal is linked into the procedure failure of Target cell, and terminal accesses at current time Cell-of-origin；When the event occurs, judging terminal, there occurs too early switching.
  11. 11. the detection means according to claim 10 switched too early, it is characterised in that the terminal connection failure information For instruction terminal, there occurs connection failure with one or more cells.
  12. 12. the detection means according to claim 7 switched too early, it is characterised in that the detection unit includes：
    3rd detection sub-unit, for judging whether following event occurs：Terminal still accesses cell-of-origin in moment of time-out of timer； When the event occurs, judging terminal, there occurs too early switching.
CN201610645459.6A 2016-08-09 2016-08-09 A kind of detection method and device switched too early Pending CN107708160A (en)

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Cited By (2)

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