CN107493593A - A kind of cell switching method, device, relevant device and system - Google Patents
A kind of cell switching method, device, relevant device and system Download PDFInfo
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- CN107493593A CN107493593A CN201610412817.9A CN201610412817A CN107493593A CN 107493593 A CN107493593 A CN 107493593A CN 201610412817 A CN201610412817 A CN 201610412817A CN 107493593 A CN107493593 A CN 107493593A
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- cell
- base station
- target cell
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- 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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
Abstract
The invention discloses a kind of cell switching method, device, relevant device and system, to avoid, due to cell handoff failure caused by PCI confusion, improving cell handover success rate.The cell switching method that network side is implemented, including：When determining that the UE meets cell switching condition according to the measurement report of user equipment (UE), whether base station is for small base station according to where the metrical information included in the measurement report judges the Target cell of selection；If it is, indicate that the UE obtains the Cell Global Identification CGI of the Target cell；Cell switching flow is performed according to the CGI of the Target cell of acquisition.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of cell switching method, device,
Relevant device and system.
Background technology
Advised according to 3GPP (3rd Generation Partnership Project, third generation partner program)
Fixed standard LTE (Long Term Evolution, Long Term Evolution) intra-system handover flow has following two
Condition：1st, Target cell is in the Neighboring Cell List of serving cell；2nd, serving cell can issue according to it
The measurement report that measurement configuration and UE (User Equipment, user equipment) are reported is carried out to Target cell
Uniquely, clearly instruction.Above-mentioned two condition is indispensable, otherwise can not perform switching or cause to switch
Failure.
Realize that one kind is by artificial typically for the two ways that is configured with of the Neighboring Cell List in condition 1
Manual configuration addition is carried out according to wireless network planning data and optimum results；Another kind is by SON (oneself
Organize network) ANR (Automatic Neighboring Relation) technology in technology realizes.
ANR (Automatic Neighbour Relation, Automatic Neighboring Relation) refers to network side by UE
To around adjacent area PCI (Physical Cell Identifier) and CGI (Cell Global Identification) measurement and reporting functions,
The configuration and optimization of neighborhood region correlation chart can be automatically performed.
Automatically the addition suitable for homogeneous-frequency adjacent-domain and alien frequencies adjacent area simultaneously is added in ANR adjacent areas.UE is linked into net
After network, eNodeB (base station) can give the configuration of UE sending measurings, as nearby region measurement and the thresholding that reports and
Foundation.After UE is by MR (measurement report) information reportings adjacent area PCI, if base where serving cell
Stand and find that the cell that UE is reported is unknown adjacent area (i.e. information of the neighborhood region correlation chart in the absence of the cell), then
It can indicate that UE reads the CGI of the cell by RRC reconfiguration messages (comprising No. PLMN and cell ID).
After base station gets the CGI that UE is reported, that is, the essential information of the cell is learnt, the cell can be added
Into the neighborhood region correlation chart of serving cell.
For condition 2, the MR that typically base station reports according to the measurement configuration and UE that are handed down to UE is selected
Target cell is selected, and by measuring Target cell frequency point information and PCI information in configuring, searches adjacent area and closes
It is table, finds corresponding unique Target cell CGI, perform follow-up switching flow.And work as and multiple phases be present
When the frequency of adjacent cell is identical with PCI, just occur can not unique mark Target cell the problem of (PCI is mixed
Confuse).As shown in Figure 1, it is assumed that during the measurement that terminal is mobile from A to C and triggering is based on handover event, this
Place is in two kinds of situation：Situation one：Adjacent area B and C are in serving cell A Neighboring Cell List.Due to
B and C is with the same PCI of frequency, the measurement report based on UE, cannot be distinguished by realistic objective cell be actually B also
It is C, handoff failure may be caused；Situation two：Adjacent area B is in serving cell A Neighboring Cell List, C
Do not exist.Because B and C is with the same PCI of frequency, the measurement report based on UE, serving cell A will be considered that UE
That measure is adjacent area B, will directly indicate that UE switches to B, and cause handoff failure or mistake, also will not
Triggering ANR flows (instruction UE reads CGI and finds adjacent area C and add as A adjacent area automatically).
Above-mentioned PCI confusion situation is between macro base station, when switching between macro base station and small base station and between small base station all
It is likely to be encountered, it usually needs detect PCI confusion problem first and change in the presence of the PCI obscured so that
The PCI of all homogeneous-frequency adjacent-domains is different from solving.But when occur in macro base station cutting to small base station
During carry over scape, due to that there may be very more small base stations (such as Home eNodeB) in macro base station coverage, lead
Cause is difficult to avoid that PCI confusion problem (with the same PCI of frequency), so as to cause switching of the macro base station to small base station
Failure.
The content of the invention
In order to improve cell handover success rate, the embodiments of the invention provide a kind of cell switching method, device,
Relevant device and system.
The embodiment of the present invention provides the cell switching method that a kind of network side is implemented, including：
When determining that the UE meets cell switching condition according to the measurement report of user equipment (UE), according to
Whether base station where the metrical information included in the measurement report judges the Target cell of selection is for small base station；
If it is, indicate that the UE obtains the Cell Global Identification CGI of the Target cell；
Cell switching flow is performed according to the CGI of the Target cell of acquisition.
The embodiment of the present invention provides the cell switching device that a kind of network side is implemented, including：
Judging unit, for determining that the UE meets that cell is cut according to the measurement report of user equipment (UE)
When changing condition, base station where the Target cell for judging selection according to the metrical information included in the measurement report
Whether it is small base station；
Indicating member, for when the judged result of the judging unit is is, indicating that the UE obtains institute
State the Cell Global Identification CGI of Target cell；
Switch unit, the CGI for the Target cell according to acquisition perform cell switching flow.
The embodiment of the present invention provides a kind of base station, including the cell switching device that above-mentioned network side is implemented.
The embodiment of the present invention provides the cell switching method that a kind of end side is implemented, including：
To network side reporting measurement reports, the survey issued according to the network side is included in the measurement report
Amount configuration information measures obtained metrical information；
Receive the Cell Global Identification CGI for the acquisition Target cell that the network side issues instruction, the finger
It is small base station to be shown as network side base station according to where the Target cell that the metrical information judges selection
When send；
CGI and the report network side of the Target cell are obtained according to the instruction.
The embodiment of the present invention provides the cell switching device that a kind of end side is implemented, including：
Reporting unit, for network side reporting measurement reports, including in the measurement report according to
The measurement configuration information that network side issues measures obtained metrical information；
Receiving unit, the Cell Global Identification CGI of the acquisition Target cell issued for receiving the network side
Instruction, it is described to be designated as the network side according to where the metrical information judges the Target cell of selection
Sent during the small base station in base station；
Acquiring unit, the instruction for being received according to the receiving unit obtain the CGI of the Target cell
And report network side.
The embodiment of the present invention provides a kind of cell handover system, including base station and user equipment (UE), wherein,
The cell switching device that above-mentioned network side is implemented is provided with the base station, is provided with the UE above-mentioned
The cell switching device that end side is implemented.
Cell switching method, device, relevant device and system provided in an embodiment of the present invention, network side are being sentenced
It is disconnected except UE meet cell switching condition when, determine whether the Target cell place base station of selection whether to be small
Base station, if it is, instruction UE obtains the CGI of Target cell, the CGI of Target cell can be unique
Target cell is identified, thus, cell handoff failure caused by avoiding PCI confusion, improves cell switching
Success rate.
Other features and advantages of the present invention will be illustrated in the following description, also, partly from explanation
Become apparent in book, or understood by implementing the present invention.The purpose of the present invention and other advantages can
Realize and obtain by specifically noted structure in the specification, claims and accompanying drawing write
.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms one of the present invention
Point, schematic description and description of the invention is used to explain the present invention, does not form to the present invention not
Work as restriction.In the accompanying drawings：
Fig. 1 is PCI confusion application scenarios schematic diagram in the prior art；
Fig. 2 is the implementation process diagram for the cell switching method that network side is implemented in the embodiment of the present invention；
Fig. 3 is cell switching flow schematic diagram in the embodiment of the present invention；
Fig. 4 is the implementation process diagram for the cell switching method that end side is implemented in the embodiment of the present invention；
Fig. 5 is the cell switching device structural representation that network side is implemented in the embodiment of the present invention；
Fig. 6 is the cell switching device structural representation that end side is implemented in the embodiment of the present invention；
Fig. 7 is the structural representation of cell handover system in the embodiment of the present invention.
Embodiment
In order to improve cell handover success rate, avoid due to cell handoff failure, this hair caused by PCI confusion
Bright embodiment provides a kind of cell switching method, device, relevant device and system.
The preferred embodiments of the present invention are illustrated below in conjunction with Figure of description, it will be appreciated that this place
The preferred embodiment of description is merely to illustrate and explain the present invention, and is not intended to limit the present invention, and not
In the case of conflict, the feature in embodiment and embodiment in the present invention can be mutually combined.
As shown in Fig. 2 it is the implementation stream that network side provided in an embodiment of the present invention implements cell switching method
Journey schematic diagram, may comprise steps of：
S21, when determining that the UE meets cell switching condition according to UE measurement report, according to described
Base station where the metrical information included in measurement report judges the Target cell of selection whether for small base station, if
It is then to perform step S22, otherwise, performs step S23.
When it is implemented, UE is after access service cell, serving BS (and the source base in cell switching
Stand) measurement configuration information is sent to UE, the measurement configuration information that UE issues according to serving BS is surveyed
Measure measurement report and report serving BS.Serving BS is sentenced according to the metrical information carried in measurement report
Whether disconnected UE meets cell switching condition, when it is implemented, serving BS can be according to prior art flow
Judge whether UE meets cell switching condition, repeat no more here.If serving BS determines that UE meets
Cell switching condition, the then metrical information reported according to UE are UE selection target cells, equally, service
Base station can be UE selection target cells according to prior art flow.
According to embodiments of the present invention, serving BS is after Target cell is determined, no longer directly to Target cell
Cell switching flow is initiated, but whether base station where needing to judge the Target cell of selection is for small base station.
S22, instruction UE obtain the CGI of Target cell, and perform step S24.
S23, cell switching is completed according to existing cell switching flow.
S24, according to the Target cell CGI of acquisition perform cell switching flow.
Preferably, the side information carried in measurement report can include the community configured information of Target cell,
The community configured information can be, but not limited to include subdistrict frequency point information and cell PCI.
When it is implemented, in network planning phase, can in advance for the distribution of small base station it is special based on<Cell
Frequency point information, PCI>Two tuple combinations (are referred to as small base station cell configuration information) in the embodiment of the present invention,
The combination can be handed down to base station (including macro base station and small base station) by Network Management Equipment, be deposited by receiving base station
Storage is in local.Subsequently, base station stored can also be updated with real network configuring condition according to the actual requirements<
Subdistrict frequency point information, PCI>Two tuple combinations.
Based on the small base station cell configuration information prestored, in step S21, serving BS may determine that
The community configured information for the Target cell that UE is obtained whether there is matches somebody with somebody confidence in the small base station cell prestored
In breath, if it is, determine that base station where the Target cell of selection is small base station, otherwise, it determines selection
Base station where Target cell is not small base station.
If serving BS determines that the Target cell of selection is small base station, it indicates that UE obtains Target cell
CGI, and cell switching flow is performed according to the CGI of acquisition, specifically, serving BS judges what is obtained
CGI whether there is in Neighboring Cell List, if it is, cell switching flow is initiated to Target cell, otherwise,
Neighboring Cell List is updated according to the Target cell relevant information of acquisition, and cell switching is initiated to the Target cell
Flow；If serving BS determines that the Target cell of selection is not small base station, serving BS is according to existing
Cell switching flow carries out cell switching, and the cell of the embodiment of the present invention is cut below in conjunction with specific embodiment
Change of current journey is described in detail.
As shown in figure 3, it is cell switching flow implementation process diagram provided in an embodiment of the present invention, bag
Include following steps：
S31, serving BS receive the small base station cell configuration information that Network Management Equipment issues and stored.
S32, serving BS send measurement configuration information to UE.
S33, serving BS receive the measurement report that UE is reported.
Wherein, the measurement report is that the measurement configuration information that UE is sent according to serving BS measures to obtain
's.
When S34, serving BS determine that UE meets cell switching condition according to measurement report, according to the survey
Base station where the metrical information that includes judges the Target cell of selection in amount report whether for small base station, if
It is then to perform step S35, otherwise, performs step S36.
Wherein, the community configured information of Target cell is included in metrical information, the community configured information can be
Subdistrict frequency point information and cell PCI.Serving BS judges the subdistrict frequency point information and cell PCI of Target cell
With the presence or absence of in the small base station cell configuration information prestored, if it is, determining that the target of selection is small
Base station where area is small base station, otherwise, it determines base station where the Target cell of selection is not small base station.
S35, instruction UE obtain the Target cell CGI of selection, and perform step S37.
S36, cell switching is completed according to existing cell switching flow.
Specifically, serving BS searches Target cell in the neighbor list according to the cell PCI of Target cell
CGI, if Target cell CGI in Neighboring Cell List be present, serving BS makes complete switch decision (i.e.
Meet two necessary conditions for carrying out cell switching), then to base station (i.e. Target cell) where Target cell
Cell switching is initiated, completes cell switching flow.Cut specifically, serving BS sends cell to target BS
Request is changed, target BS carries out Access Control after the cell handover request of serving BS transmission is received and sentenced
It is disconnected, if it is determined that allow UE to access, then send cell switch acknowledgment message to serving BS, then, clothes
Business base station sends RRC (Radio Resource Control, wireless heterogeneous networks) reconfiguration message to UE,
And send forward data to target BS.
If serving BS does not find the CGI of Target cell, serving BS starts ANR flows,
Obtain the CGI of Target cell and make complete switch decision, instruction UE completes remaining switching to Target cell
Flow, i.e. serving BS initiate cell switching to base station (i.e. target BS) where Target cell, complete small
Area's switching flow.Specifically, serving BS sends cell handover request to target BS, target BS is connecing
Access Control judgement is carried out after receiving the cell handover request of serving BS transmission, if it is determined that allows UE to connect
Enter, then send cell switch acknowledgment message to serving BS, then, serving BS sends RRC to UE
(Radio Resource Control, wireless heterogeneous networks) reconfiguration message, and to target BS send before
Pass data
S37, serving BS judge that the CGI that UE is obtained whether there is in Neighboring Cell List, if it is,
Step S38 is performed, otherwise, performs step S39.
S38, serving BS initiate cell switching flow to base station where Target cell, and flow terminates.
If in the neighbor list, serving BS can specify unique the CGI according to the CGI information
Target cell, and indicate that UE completes follow-up switching flow.
Specifically, serving BS sends cell handover request to base station (i.e. target BS) where Target cell,
Target BS carries out Access Control judgement after the cell handover request of serving BS transmission is received, if really
Surely allow UE to access, then send cell switch acknowledgment message to serving BS, then, serving BS is to UE
RRC (Radio Resource Control, wireless heterogeneous networks) reconfiguration message is sent, and to target base
Stand and send forward data.
S39, serving BS update Neighboring Cell List according to the Target cell relevant information of acquisition.
Specifically, serving BS needs Target cell being added in Neighboring Cell List, i.e., serving BS will obtain
Target BS subdistrict frequency point information, PCI and CGI by Target cell be added to Neighboring Cell List in.
S310, serving BS initiate cell switching flow to mark cell.
Step S310 implementation may refer to step S308, repeat no more here.
Cell switching method provided by the invention is illustrated below according to specific embodiment：
Embodiment 1, network planning phase configuration<Frequency：{ 38950-39050 }, PCI：{100-199}>Two
Tuple combination scope is that small station dedicated set merga pass Network Management Equipment is handed down to base station equipment；UE is according to service
Cell A measurement configuration, which measures, to be reported；Serving cell A determines target switching according to UE measurement reports
Cell B is<Frequency：39050, PCI：101>；Through judging that Target cell B is small station；Serving cell
A instructions UE reads Target cell B CGI；Serving cell A is according to the UE Target cell B's returned
CGI information finds the cell in the neighbor list；Serving cell A makes complete switch decision, instruction
UE completes remaining switching flow to Target cell B, i.e. serving cell A sends cell to Target cell B and cut
Request is changed, Target cell B carries out access control after the cell handover request of serving cell A transmissions is received
System judges, if it is determined that allows UE to access, then sends cell switch acknowledgment message to serving cell A, with
Afterwards, serving cell A sends RRC (Radio Resource Control, wireless heterogeneous networks) weights to UE
Message is configured, and forward data is sent to Target cell B.
Embodiment 2, network planning phase configuration<Frequency：{ 38950,39250 }, PCI：
{100-103,150-199}>Two tuple combination ranges are that small station dedicated set merga pass Network Management Equipment is handed down to base
Station equipment；UE is measured according to serving cell A measurement configuration and reported；Serving cell A is according to UE
Measurement report determines that target handover cell B is<Frequency：39250, PCI：150>；Through judging that the target is small
Area B is small station；Serving cell A instructions UE reads Target cell B CGI；Serving cell A according to
The CGI information for the Target cell B that UE is returned finds the cell not in the neighbor list；Serving cell A is first
Target cell B is added in Neighboring Cell List, then makes complete switch decision, indicates UE to Target cell
B completes remaining switching flow.
Embodiment 3, network planning phase configuration<Frequency：{ 38950-39050,39250 }, PCI：100,
103,150-199}>Two tuple combination ranges are handed down to base station for small station dedicated set merga pass Network Management Equipment and set
It is standby；UE is measured according to serving cell A measurement configuration and reported；Serving cell A measures according to UE
Report determines that target handover cell B is<Frequency：39250, PCI：101>；Through judging Target cell B
It is not small station；Serving cell A has found Target cell B PCI：101 in its Neighboring Cell List and find
Target cell B CGI；Serving cell A makes complete switch decision, indicates UE to Target cell B
Complete remaining switching flow.
Embodiment 4, network planning phase configuration<Frequency：{ 38950-39050,39250 }, PCI：100,
103,150-199}>Two tuple combination ranges are that small station dedicated set merga pass webmaster is handed down to base station equipment；
UE is measured according to serving cell A measurement configuration and reported；Serving cell A is according to UE measurement reports
Determine that target handover cell B is<Frequency：38850, PCI：199>；Through judging that Target cell B is not
Small station；Serving cell A has found Target cell B PCI：199 in its Neighboring Cell List；Service small
Area A starts standard ANR flows (such as Fig. 2), obtains Target cell B CGI and makes complete switching
Judgement, instruction UE complete remaining switching flow to Target cell B.
In cell switching method provided in an embodiment of the present invention, when needing to carry out cell switching, serving BS
The metrical information carried in the measurement report reported according to UE, judge base station where the Target cell of selection
For small base station when, instruction UE obtain Target cell CGI, further, serving BS continues judgement and obtained
The Target cell CGI taken whether there is in Neighboring Cell List, if it is not, then Target cell is added into neighbour
In area's list, because CGI can uniquely determine Target cell, it thus avoid due to PCI confusion and make
Into handoff failure, improve cell handover success rate.
Accordingly, the embodiment of the present invention additionally provides the cell switching method that a kind of end side is implemented, such as Fig. 4
It is shown, it may comprise steps of：
S41, to network side reporting measurement reports, include in the measurement report according under the network side
The measurement configuration information of hair measures obtained metrical information.
S42, the instruction for receiving the Cell Global Identification CGI for obtaining Target cell that network side issues.
Wherein, the Target cell institute for being designated as the network side and selection being judged according to the metrical information
Sent at the small base station in base station.Whether base station where the Target cell that network side determines to select is small base
The implementation steps stood are referred to the implementation steps in the cell switching method that above-mentioned network side is implemented, here not
Repeat again.
S43, the CGI according to the instruction acquisition Target cell received and report network side.
The cell switching of network side implementation is also each provided based on same inventive concept, in the embodiment of the present invention
The cell switching device that device and end side are implemented, due to said apparatus solve the principle of problem with respectively with
The cell switching method that above-mentioned network side is implemented is similar with the cell switching method that end side is implemented therefore above-mentioned
The implementation of device may refer to the implementation of method, repeats part and repeats no more.
As shown in figure 5, the structural representation for the cell switching device implemented for network side, can include：
Judging unit 51, for determining that the UE meets cell according to the measurement report of user equipment (UE)
During switching condition, base where the Target cell for judging selection according to the metrical information included in the measurement report
Whether stand is small base station；
Indicating member 52, for when the judged result of the judging unit is is, indicating that the UE is obtained
The Cell Global Identification CGI of the Target cell；
Switch unit 53, for performing cell switching flow according to the Target cell CGI of acquisition.
Wherein, the metrical information includes the community configured information of Target cell, it is preferred that the cell is matched somebody with somebody
Confidence breath includes subdistrict frequency point information and Physical Cell Identifier PCI.
It is preferred that the judging unit 51, specifically for judging that the community configured information of the Target cell is
It is no to be present in the small base station cell configuration information prestored.
Alternatively, the cell switching device that network side is implemented, can also include：
Receiving unit, the small base station cell configuration information issued for receiving Network Management Equipment；
Memory cell, the small base station cell configuration information received for storing the receiving unit.
It is preferred that the switch unit 53, including：
Judgment sub-unit, the CGI for judging to obtain whether there is in Neighboring Cell List；
Update subelement, for the judgment sub-unit judged result for it is no when, according to the target of acquisition
Cell-related information updates Neighboring Cell List；
Switching subelement, for the judgment sub-unit judged result for be when, to the Target cell
Initiate cell switching flow；Or after the renewal subelement updates the Neighboring Cell List, to the target
Cell initiates cell switching flow.
For convenience of description, above each several part is divided by function describes respectively for each module (or unit).
Certainly, when implementing of the invention can the function of each module (or unit) in same or multiple softwares or
Realized in hardware.When it is implemented, the cell switching device that network side is implemented can be arranged in base station.
As shown in fig. 6, it is the structural representation for the cell switching device that end side is implemented, can include：
Reporting unit 61, for network side reporting measurement reports, including in the measurement report according to institute
State the metrical information that the measurement configuration information that network side issues measures to obtain；
Receiving unit 62, the Cell Global Identification of the acquisition Target cell issued for receiving the network side
CGI instruction, the Target cell for being designated as the network side and selection being judged according to the metrical information
Sent during the small base station in place base station；
Acquiring unit 63, the instruction for being received according to the receiving unit obtain the Target cell
CGI and report network side.
For convenience of description, above each several part is divided by function describes respectively for each module (or unit).
Certainly, when implementing of the invention can the function of each module (or unit) in same or multiple softwares or
Realized in hardware.When it is implemented, the cell switching device that end side is implemented can be arranged in UE.
As shown in fig. 7, it is the structural representation of cell handover system provided in an embodiment of the present invention, including
Base station 71 and UE 72, wherein, the cell switching device that network side is implemented, UE 72 are provided with base station 71
In be provided with end side implementation cell switching device.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software embodiment or knot
The form of embodiment in terms of conjunction software and hardware.Wherein wrapped in one or more moreover, the present invention can use
Containing computer usable program code computer-usable storage medium (include but is not limited to magnetic disk storage,
CD-ROM, optical memory etc.) on the form of computer program product implemented.
The present invention is produced with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product describes.It should be understood that can by computer program instructions implementation process figure and
/ or each flow in block diagram and/or square frame and flow in flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, insertion
Formula processor or the processor of other programmable data processing devices are to produce a machine so that pass through calculating
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device for the function of being specified in individual flow or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable datas to handle and set
In the standby computer-readable memory to work in a specific way so that be stored in the computer-readable memory
Instruction produce and include the manufacture of command device, command device realization is in one flow or multiple of flow chart
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to which the instruction that is performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know base
This creative concept, then other change and modification can be made to these embodiments.So appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention
Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (14)
- A kind of 1. cell switching method, it is characterised in that including：When determining that the UE meets cell switching condition according to the measurement report of user equipment (UE), according to Whether base station where the metrical information included in the measurement report judges the Target cell of selection is for small base station；If it is, indicate that the UE obtains the Cell Global Identification CGI of the Target cell；Cell switching flow is performed according to the Target cell CGI of acquisition.
- 2. the method as described in claim 1, it is characterised in that the metrical information includes Target cell Community configured information；AndWhether base station where metrical information according to being included in the measurement report judges the Target cell of selection For small base station, specifically include：Judge that the community configured information of the Target cell whether there is in the small base station cell prestored to match somebody with somebody In confidence breath.
- 3. method as claimed in claim 2, it is characterised in that obtain the small base according to below scheme Stand community configured information：Receive the small base station cell configuration information that Network Management Equipment issues and store.
- 4. method as claimed in claim 2, it is characterised in that the community configured information includes cell Frequency point information and Physical Cell Identifier PCI.
- 5. method as claimed in claim 4, it is characterised in that according to the CGI of the Target cell of acquisition Cell switching flow is performed, is specifically included：The CGI for judging to obtain whether there is in Neighboring Cell List；If it is, initiate cell switching flow to the Target cell；If it is not, then Neighboring Cell List is updated according to the Target cell relevant information of acquisition, and it is small to the target Initiate cell switching flow in area.
- A kind of 6. cell switching device, it is characterised in that including：Judging unit, for determining that the UE meets that cell is cut according to the measurement report of user equipment (UE) When changing condition, base station where the Target cell for judging selection according to the metrical information included in the measurement report Whether it is small base station；Indicating member, for when the judged result of the judging unit is is, indicating that the UE obtains institute State the Cell Global Identification CGI of Target cell；Switch unit, for performing cell switching flow according to the Target cell CGI of acquisition.
- 7. device as claimed in claim 6, it is characterised in that the metrical information includes Target cell Community configured information；AndThe judging unit, specifically for judging that the community configured information of the Target cell whether there is in pre- In the small base station cell configuration information first stored.
- 8. device as claimed in claim 7, it is characterised in that also include：Receiving unit, the small base station cell configuration information issued for receiving Network Management Equipment；Memory cell, the small base station cell configuration information received for storing the receiving unit.
- 9. device as claimed in claim 8, it is characterised in that the community configured information includes cell Frequency point information and Physical Cell Identifier PCI.
- 10. device as claimed in claim 9, it is characterised in that the switch unit, including：Judgment sub-unit, the CGI for judging to obtain whether there is in Neighboring Cell List；Update subelement, for the judgment sub-unit judged result for it is no when, according to the target of acquisition Cell-related information updates Neighboring Cell List；Switching subelement, for the judgment sub-unit judged result for be when, to the Target cell Initiate cell switching flow；Or after the renewal subelement updates the Neighboring Cell List, to the target Cell initiates cell switching flow.
- 11. a kind of base station, it is characterised in that including the dress described in claim 6~10 any claim Put.
- A kind of 12. cell switching method, it is characterised in that including：To network side reporting measurement reports, the survey issued according to the network side is included in the measurement report Amount configuration information measures obtained metrical information；Receive the Cell Global Identification CGI for the acquisition Target cell that the network side issues instruction, the finger It is small base station to be shown as network side base station according to where the Target cell that the metrical information judges selection When send；CGI and the report network side of the Target cell are obtained according to the instruction.
- A kind of 13. cell switching device, it is characterised in that including：Reporting unit, for network side reporting measurement reports, including in the measurement report according to The measurement configuration information that network side issues measures obtained metrical information；Receiving unit, the Cell Global Identification CGI of the acquisition Target cell issued for receiving the network side Instruction, it is described to be designated as the network side according to where the metrical information judges the Target cell of selection Sent during the small base station in base station；Acquiring unit, the instruction for being received according to the receiving unit obtain the CGI of the Target cell And report network side.
- A kind of 14. cell handover system, it is characterised in that including base station and user equipment (UE), wherein, The cell switching device described in claim 6~10 any claim, the UE are provided with the base station In be provided with cell switching device described in claim 13.
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| CN201610412817.9A CN107493593A (en) | 2016-06-13 | 2016-06-13 | A kind of cell switching method, device, relevant device and system |
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| CN201610412817.9A CN107493593A (en) | 2016-06-13 | 2016-06-13 | A kind of cell switching method, device, relevant device and system |
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