CN105992296A - Terminal switching method and device - Google Patents
Terminal switching method and device Download PDFInfo
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- CN105992296A CN105992296A CN201510044093.2A CN201510044093A CN105992296A CN 105992296 A CN105992296 A CN 105992296A CN 201510044093 A CN201510044093 A CN 201510044093A CN 105992296 A CN105992296 A CN 105992296A
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Abstract
The present invention discloses a terminal switching method and device. The method comprises the steps of obtaining the minimum reception level Qrxlevmin value of an adjacent cell of a service cell; determining a signal level value of the adjacent cell; comparing the signal level value and the Qrxlevmin value of the adjacent cell; when the signal level value of the adjacent cell is greater than the Qrxlevmin value, taking the adjacent cell as a candidate target cell to report. The terminal switching method and device is used to solve the problems that in the mobile management of the connection states, after a terminal is switched to the target cell, the terminal switching may be made unsuccessful, or the terminal is difficult to keep the service continuity in the target cell, and the reliability is worse.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of terminal switching method and device.
Background technology
Mobile management can assist Long Term Evolution (English: Long Term Evolution, abbreviation: LTE)
Communication system realizes load balancing, provides more preferable Consumer's Experience and raising systematic entirety energy.
In mobile management, for ease of illustrating, will be currently the community of terminal service, i.e. terminal be currently stayed
The community stayed is referred to as Serving cell, and the community that terminal will switch is referred to as Target cell.Mobile management
Function is broadly divided into two classes: the mobile management of idle condition and the mobile management of connection status.Its hollow
The mobile management of not busy state is mainly made decisions on one's own by terminal static parameter based on network configuration, connects shape
The mobile management of state is mainly offered decision-making by network measurement based on terminal.But the shifting in connection status
In mobility management, when current network side initiates switching, it is based only on the signal of terminal to report current service cell
The signal level of the adjacent cell that level, terminal measurement obtain, and the resource of adjacent cell determines that terminal will be cut
The Target cell changed, then initiating terminal handover request.But in this kind of mode, the target that network side selects
Community can not be completely secured after terminal is handed over, and normally completes Stochastic accessing and other upstream
Journey, thus cause terminal handoff failure, or terminal is difficult to the seriality of holding business at Target cell, reliably
Property is poor.
In sum, in the mobile management of connection status, after terminal switches to Target cell, may lead
Causing terminal handoff failure, or terminal is difficult to the seriality of holding business at Target cell, reliability is poor.
Summary of the invention
The invention provides a kind of terminal switching method and device, for solving the mobility pipe in connection status
In reason, after terminal switches to Target cell, terminal handoff failure may be caused, or terminal is difficult at Target cell
To keep the seriality of business, the problem that reliability is poor.
A kind of terminal switching method, including:
Obtain the minimum incoming level Qrxlevmin value of each adjacent cell of Serving cell；And
Determine the signal level value of each adjacent cell；And
For arbitrary adjacent cell, the relatively signal level value of described adjacent cell and described adjacent cell
Qrxlevmin value；And
When the signal level value of described adjacent cell is more than Qrxlevmin value, using described adjacent cell as candidate
Target cell reports.
Determine the signal level value of each described adjacent cell, including:
The measurement object of configuration is measured, determines the signal level value of each described adjacent cell.
After described adjacent cell is reported as candidate target cells, also include:
Receive the switching command that Serving cell sends；
According to described switching command, accessing to target handover cell, wherein said target handover cell is described
Serving cell selects in the candidate target cells reported.
A kind of terminal switching method, including:
Receiving the candidate target cells of terminal to report, wherein said candidate target cells is the letter that terminal is determined
Number level value is more than the adjacent cell of the Serving cell of Qrxlevmin value；
Select one of them community little as the target switching that terminal is to be switched in described candidate target cells
District；And
Handover request is sent to described target handover cell；And
Receiving for, during to the switching request acknowledgement message of described switching request response, sending out to described terminal
Send the switching command of the target handover cell switching to selection.
A kind of terminal switching method, including:
Receive the signal level value of the adjacent cell of terminal to report；
Obtain the minimum incoming level Qrxlevmin value of described adjacent cell；
Compare signal level value and the Qrxlevmin value of described adjacent cell of described adjacent cell；And
When the signal level value of described adjacent cell is more than Qrxlevmin value, using described adjacent cell as candidate
Target cell.
Obtain the Qrxlevmin value of described adjacent cell, including:
By and adjacent cell between mutual, it is thus achieved that the Qrxlevmin value of described adjacent cell.
Using described adjacent cell as after candidate target cells, also include:
The target handover cell that terminal is to be switched is selected in described candidate target cells；And
The switching command of the target handover cell switching to selection is sent to described terminal.
A kind of terminal switching method, including:
Determine the signal level value of each adjacent cell of Serving cell；And
Report the signal level value of described adjacent cell；And
Receiving the switching command switching to target handover cell, wherein said target handover cell is described service
Community selects in the candidate target cells received, and described candidate target cells is that Serving cell is according to connecing
The signal level value of the adjacent cell received, and the minimum incoming level of the described adjacent cell obtained
Qrxlevmin value is determined.
Determine the signal level value of the adjacent cell of Serving cell, including:
The measurement object of configuration is measured, determines the signal level value of described adjacent cell.
A kind of terminal switching method, including:
Receive the signal level value of each adjacent cell of the Serving cell of terminal to report；
According to the signal level value of each adjacent cell, determine candidate target cells；And
In described candidate target cells, select target handover cell；And
The signal level value of the described target handover cell selected is sent to described target handover cell；And
Send handover request to described target handover cell, determining that described target handover cell meets terminal
During access conditions, described terminal is switched in described target handover cell.
Determine whether described target handover cell meets terminal access conditions, including:
When receiving the permission switching command that described target handover cell sends, determine that the switching of described target is little
District meets terminal access conditions, and
When receiving the refusal switching command that described target handover cell sends, determine that the switching of described target is little
District does not meets terminal access conditions；
Wherein said permission switching command be target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of get Zhe community, at described signal level value more than described
Send during Qrxlevmin value；
Described refusal switching command is target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of this community, at described signal level value less than described Qrxlevmin
Send during value.
Also include:
When determining that described target handover cell does not meets terminal access conditions, in described candidate target cells
Other communities of middle selection are as target handover cell, and return execution by the signal electricity of described target handover cell
Level values sends the step to described target handover cell.
A kind of terminal switching method, including:
Receive the signal level value of this community that Serving cell sends；And
Obtain the minimum incoming level Qrxlevmin value of this community；And
When determining described signal level value more than Qrxlevmin value, it is allowed to terminal switches to this community.
Terminal is allowed to switch to this community, including:
Send to Serving cell and allow switching command.
A kind of terminal switching device, including:
Acquisition module, for obtaining the minimum incoming level Qrxlevmin value of each adjacent cell of Serving cell；
Determine module, for determining the signal level value of each adjacent cell；
Comparison module, for for arbitrary adjacent cell, comparing the signal level value of described adjacent cell and described neighbour
The Qrxlevmin value of community；
Perform module, for when the signal level value of described adjacent cell is more than Qrxlevmin value, by described
Adjacent cell reports as candidate target cells.
Described determine module, specifically for the measurement object of configuration is measured, determine each described adjacent cell
Signal level value.
Described execution module, is additionally operable to receive the switching command that Serving cell sends；According to described switching command,
Accessing to target handover cell, wherein said target handover cell is that described Serving cell is at the candidate's mesh reported
Mark community selects.
A kind of terminal switching device, including:
Receiver module, for receiving the candidate target cells of terminal to report, wherein said candidate target cells is
The signal level value that terminal is determined is more than the adjacent cell of the Serving cell of Qrxlevmin value；
Select module, for selecting one of them community to be switched as terminal in described candidate target cells
Target handover cell；
Sending module, for sending handover request to described target handover cell；
Described receiver module, is additionally operable to receive for disappearing the Handover Request Acknowledge of described switching request response
Breath；
Perform module, for sending the switching command of the target handover cell switching to selection to described terminal.
A kind of terminal switching device, including:
Receiver module, for receiving the signal level value of the adjacent cell of terminal to report；
Obtain module, for obtaining the minimum incoming level Qrxlevmin value of described adjacent cell；
Comparison module, for signal level value and the Qrxlevmin of described adjacent cell of relatively described adjacent cell
Value；
Perform module, for when the signal level value of described adjacent cell is more than Qrxlevmin value, by described
Adjacent cell is as candidate target cells.
Described acquisition module, mutual specifically for passing through between adjacent cell, it is thus achieved that described adjacent cell
Qrxlevmin value.
Described execution module, is additionally operable in described candidate target cells the target switching selecting terminal to be switched
Community；And the switching command of the target handover cell switching to selection is sent to described terminal.
A kind of terminal switching device, including:
Determine module, for determining the signal level value of each adjacent cell of Serving cell；
Reporting module, for reporting the signal level value of described adjacent cell；
AM access module, for receiving the switching command switching to target handover cell, wherein said described target
Switching cell is that described Serving cell selects in the candidate target cells received, and described candidate target is little
District is the Serving cell signal level value according to the adjacent cell received, and the described adjacent cell obtained is
Little incoming level Qrxlevmin value is determined.
Described determine module, specifically for the measurement object of configuration is measured, determine described adjacent cell
Signal level value.
A kind of terminal switching device, including:
Receiver module, for receiving the signal level value of each adjacent cell of the Serving cell of terminal to report；
Determine module, for the signal level value according to each adjacent cell, determine candidate target cells；
Select module, in described candidate target cells, select target handover cell；
Performing module, the signal level value of the described target handover cell for selecting sends to described target
Switching cell；And handover request is sent to described target handover cell, determining described target handover cell
When meeting terminal access conditions, described terminal is switched in described target handover cell.
Described execution module, specifically for receiving the permission switching command that described target handover cell sends
Time, determine that described target handover cell meets terminal access conditions, and little receiving the switching of described target
During the refusal switching command that district sends, determine that described target handover cell does not meets terminal access conditions；Wherein
Described permission switching command is target handover cell according to the signal level value received, and the basis obtained is little
The minimum incoming level Qrxlevmin value in district, when described signal level value is more than described Qrxlevmin value
Send；Described refusal switching command be target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of get Zhe community, at described signal level value less than described
Send during Qrxlevmin value.
Described execution module, is additionally operable to determining that described target handover cell does not meets terminal access conditions
Time, select in described candidate target cells other communities as target handover cell, and return execution by institute
The signal level value stating target handover cell sends the step to described target handover cell.
A kind of terminal switching device, including
Receiver module, for receiving the signal level value of this community that Serving cell sends；
Obtain module, for obtaining the minimum incoming level Qrxlevmin value of this community；
Perform module, for when determining described signal level value more than Qrxlevmin value, it is allowed to terminal
Switch to this community.
Described execution module, allows switching command specifically for sending to Serving cell.
By technique scheme, in the mobile management of connection status, by minimum Qrxlevmin value,
Determine the most whether terminal can switch over, thus solve in the mobile management of connection status, eventually
After end-grain cutting shifts to Target cell, terminal handoff failure may be caused, or terminal is difficult to keep industry at Target cell
The seriality of business, the problem that reliability is poor.
Accompanying drawing explanation
Fig. 1 is in the embodiment of the present invention one, the terminal switching method flow chart of proposition；
Fig. 2 a is in the embodiment of the present invention one, the terminal switching device structure composition schematic diagram of proposition；
Fig. 2 b is in the embodiment of the present invention one, the terminal switching device structure composition schematic diagram of proposition；
Fig. 3 is in the embodiment of the present invention two, the terminal switching method flow chart of proposition；
Fig. 4 a is in the embodiment of the present invention two, the terminal switching device structure composition schematic diagram of proposition；
Fig. 4 b is in the embodiment of the present invention two, the terminal switching device structure composition schematic diagram of proposition；
Fig. 5 is in the embodiment of the present invention three, the terminal switching method flow chart of proposition；
Fig. 6 a is in the embodiment of the present invention three, the terminal switching device structure composition schematic diagram of proposition；
Fig. 6 b is in the embodiment of the present invention three, the terminal switching device structure composition schematic diagram of proposition.
Detailed description of the invention
For in the mobile management of connection status, after terminal switches to Target cell, terminal may be caused
Handoff failure, or terminal is difficult to the seriality of holding business at Target cell, the problem that reliability is poor, this
Invention proposes a kind of technical scheme, in the mobile management of connection status, by minimum Qrxlevmin value,
Determine the most whether terminal can switch over, thus solve in the mobile management of connection status, eventually
After end-grain cutting shifts to Target cell, terminal handoff failure may be caused, or terminal is difficult to keep industry at Target cell
The seriality of business, the problem that reliability is poor.
Embodiment of the present invention technical scheme main is realized principle below in conjunction with each accompanying drawing, is embodied as
Mode and the beneficial effect that should be able to reach is set forth in.
In the mobile management of idle condition, terminal needs to refer to the parameter minimum incoming level of cell configuration
(English: Qrxlevmin) value determines whether current area is the suitable persistent district of terminal, in community
Choice phase, if the current signal level in community is higher than Qrxlevmin, the then conduct of terminal Hui Jianggai community
Suitable cell comes resident；In the cell reselection stage, the signal of the neighbor cell that first measurement can be arrived by terminal is strong
Degree sequence, then using community the strongest for signal level as candidate cell, will attempt Qu Gai community resident subsequently.
Knowing from this flow process, community selects and gravity treatment is required for reference to Qrxlevmin, to ensure terminal persistent district
Also can initiate business, network can and community.In the technical scheme that the embodiment of the present invention proposes,
In the mobile management of connection status, by minimum Qrxlevmin value, determine that terminal is the most permissible
Switch over, be further elaborated on below in conjunction with instantiation.
In the technical scheme that various embodiments of the present invention propose, different Qrxlevmin values is set for each community.
When arranging different Qrxlevmin values for each community, can be based on network uplink load or up-downgoing chain
The principle of road balance, arranges different Qrxlevmin values for each community, between community and community
Qrxlevmin value is the most incomplete same.
Embodiment one
The embodiment of the present invention one proposes a kind of terminal switching method, as it is shown in figure 1, its concrete handling process is such as
Following:
Step 101, terminal obtains the Qrxlevmin value of each adjacent cell of Serving cell.
Step 102, terminal determines the signal level value of each adjacent cell.
The measurement object of configuration is measured by terminal, determines the signal level value of each adjacent cell.
Wherein, for each adjacent cell, object is measured in all configurations.Such as in LTE communication system, measure
Object can be frequency, terminal measurement object based on configuration, measures overlapping covered or switches on band
The signal level value of each adjacent cell.
Wherein, above-mentioned steps 101～step 102, the strictest sequential relationship, for ease of illustrating, this
Inventive embodiments one uses above-mentioned sequential, in being embodied as, it is also possible to first carries out step 102, then performs step
Rapid 101.
Step 103, for arbitrary adjacent cell, compares signal level value and the Qrxlevmin value of this adjacent cell.
Step 104, adjacent cell signal level value more than Qrxlevmin value time, using this adjacent cell as
Candidate target cells reports.
The Qrxlevmin value of measurement result with this community is compared by terminal, if measurement result is more than
Qrxlevmin, Ze Xiang community report measurement results, otherwise reports not as candidate target cells.
After above-mentioned steps 104, it is also possible to including:
Receive the switching command that Serving cell sends, according to switching command, access to target handover cell.
Wherein target handover cell is that Serving cell selects in the candidate target cells reported.
Step 105, the candidate target cells of cell receiver terminal to report.
Wherein candidate target cells is that the signal level value that terminal is determined is little more than the service of Qrxlevmin value
The adjacent cell in district.
The community being currently Terminal for service is referred to as Serving cell.
Step 106, Serving cell selects one of them community to be switched as terminal in candidate target cells
Target handover cell.
Step 107, Serving cell sends handover request to target handover cell.
Step 108, receives the switching request acknowledgement message that target handover cell sends.
Step 109, Serving cell sends the switching command of the target handover cell switching to selection to terminal.
Step 110, terminal is switched in the target handover cell selected by Serving cell.
Step 111, terminal, according to switching command, accesses in target handover cell.
In the embodiment of the present invention one, in end side, propose a kind of terminal switching method, specific as follows state:
Step one: obtain the minimum incoming level Qrxlevmin value of each adjacent cell of Serving cell.
Step 2: determine the signal level value of each adjacent cell.
Wherein, the measurement object of configuration is measured, determines the signal level value of each adjacent cell.
For each adjacent cell, object is measured in all configurations.Such as in LTE communication system, measuring object can
To be frequency, terminal based on configuration measurement object, measure overlapping covered or switching band on each neighbour little
The signal level value in district.
Wherein, above-mentioned steps one～step 2, the strictest sequential relationship, for ease of illustrating, this
Bright embodiment one uses above-mentioned sequential, in being embodied as, it is also possible to first carries out step 2, then performs step one.
Step 3: for arbitrary adjacent cell, compares the signal level value of adjacent cell and the Qrxlevmin of adjacent cell
Value.
Step 4: when the signal level value of adjacent cell is more than Qrxlevmin value, using adjacent cell as candidate
Target cell reports.
The Qrxlevmin value of measurement result with this community is compared by terminal, if measurement result is more than
Qrxlevmin, Ze Xiang community report measurement results, otherwise reports not as candidate target cells.
Alternatively, after adjacent cell is reported as candidate target cells, also include:
Receive the switching command that Serving cell sends, according to switching command, access to target handover cell.
Wherein target handover cell is that Serving cell selects in the candidate target cells reported.
Correspondingly, the embodiment of the present invention one proposes a kind of terminal switching device, and as shown in Figure 2 a, it is concrete
Structure composition is as follows:
Acquisition module 201, for obtaining the minimum incoming level Qrxlevmin of each adjacent cell of Serving cell
Value.
Determine module 202, for determining the signal level value of each adjacent cell.
Specifically, above-mentioned determine module 202, specifically for the measurement object of configuration is measured, determine
The signal level value of each described adjacent cell.
Comparison module 203, for for arbitrary adjacent cell, comparing signal level value and the institute of described adjacent cell
State the Qrxlevmin value of adjacent cell.
Perform module 204, be used for when the signal level value of described adjacent cell is more than Qrxlevmin value, will
Described adjacent cell reports as candidate target cells.
Alternatively, above-mentioned execution module 204, it is additionally operable to receive the switching command that Serving cell sends；According to
Described switching command, accesses to target handover cell, and wherein said target handover cell is described Serving cell
The candidate target cells reported selects.
In the embodiment of the present invention one, at network side, propose a kind of terminal switching method, specific as follows state:
Step one: receive the candidate target cells of terminal to report.
Wherein candidate target cells is that the signal level value that terminal is determined is little more than the service of Qrxlevmin value
The adjacent cell in district.
Step 2: select one of them community to switch as the target that terminal is to be switched in candidate target cells
Community.
Step 3: send handover request to target handover cell.
Step 4: receiving for during to the switching request acknowledgement message of switching request response, to described end
End sends the switching command of the target handover cell switching to selection.
Correspondingly, the embodiment of the present invention one proposes a kind of terminal switching device, and as shown in Figure 2 b, it is concrete
Structure composition is as follows:
Receiver module 21, for receiving the candidate target cells of terminal to report, wherein said candidate target cells
It it is the signal level value determined of the terminal adjacent cell more than the Serving cell of Qrxlevmin value.
Select module 22, for selecting one of them community to be cut as terminal in described candidate target cells
The target handover cell changed.
Sending module 23, for sending handover request to described target handover cell.
Described receiver module 21, is additionally operable to receive for disappearing the Handover Request Acknowledge of described switching request response
Breath.
Perform module 24, for receiving for during to the switching request acknowledgement message of switching request response,
The switching command of the target handover cell switching to selection is sent to described terminal.
In the technical scheme that the embodiment of the present invention one is set forth above, terminal measure the signal level of each adjacent cell
Value, and before report measurement results, for each adjacent cell, the signal level that measurement is obtained by terminal
The Qrxlevmin value of value and this adjacent cell compares, and then qualified adjacent cell is little as target switching
District reports base station, thus solves in the mobile management of connection status, after terminal switches to Target cell,
May cause terminal handoff failure, or terminal is difficult to the seriality of holding business at Target cell, reliability is relatively
The problem of difference.
Embodiment two
The embodiment of the present invention two proposes a kind of terminal switching method, as it is shown on figure 3, its concrete process chart
Following:
Step 301, terminal determines the signal level value of each adjacent cell of Serving cell.
The measurement object of configuration is measured by terminal, determines the signal level value of each adjacent cell.
Wherein, for each community, object is measured in all configurations.Such as in LTE communication system, it is right to measure
As being frequency, terminal based on configuration measurement object, measure overlapping covered or switching band on each
The signal level value of adjacent cell.
Step 302, the signal level value of each adjacent cell that terminal to report is determined.
Step 303, the signal level value of the adjacent cell of cell receiver terminal to report.
Step 304, Serving cell obtains the Qrxlevmin value of adjacent cell.
In the technical scheme that the embodiment of the present invention two proposes, by and adjacent cell between mutual, believe in adjacent cell
Service cell information Served Cell Information field in interest statement unit, it is thus achieved that this adjacent cell
Qrxlevmin value.
Step 305, Serving cell compares the signal level value of adjacent cell and the Qrxlevmin value of this community.
Step 306, adjacent cell signal level value more than Qrxlevmin value time, using this adjacent cell as
Candidate target cells.
Step 307, selects the target handover cell that terminal is to be switched in candidate target cells.
Step 308, sends the switching command of the target handover cell switching to selection to described terminal.
Step 309, switches to terminal in the target handover cell selected.
Step 310, terminal accesses to target handover cell.
Wherein target handover cell is that Serving cell selects in the candidate target cells reported, candidate target
Community is the Serving cell signal level value according to the adjacent cell received, and this adjacent cell obtained
Qrxlevmin value is determined.
In the embodiment of the present invention two, at network side, propose a kind of terminal switching method, specific as follows state:
Step one: receive the signal level value of the adjacent cell of terminal to report.
Step 2: obtain the minimum incoming level Qrxlevmin value of adjacent cell.
By mutual between base station, the service cell information Served Cell in described information of adjacent cells unit
Information field, it is thus achieved that the Qrxlevmin value of described adjacent cell.
Step 3: compare signal level value and the Qrxlevmin value of adjacent cell.
Step 4: when the signal level value of adjacent cell is more than Qrxlevmin value, using this adjacent cell as time
Select Target cell.
Using adjacent cell as after candidate target cells, also include:
The target handover cell that terminal is to be switched is selected in candidate target cells；And cut to the transmission of described terminal
Shift to the switching command of the target handover cell selected.
Correspondingly, the embodiment of the present invention two proposes a kind of terminal switching device, and as shown in fig. 4 a, it is concrete
Structure composition is as follows:
Receiver module 401, for receiving the signal level value of the adjacent cell of terminal to report.
Obtain module 402, for obtaining the minimum incoming level Qrxlevmin value of described adjacent cell.
Specifically, above-mentioned acquisition module 402, mutual specifically for passing through between adjacent cell, it is thus achieved that described
The Qrxlevmin value of adjacent cell.
Comparison module 403, for the signal level value of relatively described adjacent cell and described adjacent cell
Qrxlevmin value.
Perform module 404, be used for when the signal level value of described adjacent cell is more than Qrxlevmin value, will
Described adjacent cell is as candidate target cells.
Alternatively, above-mentioned execution module 404, it is additionally operable in described candidate target cells select terminal to be cut
The target handover cell changed；And the switching to the target handover cell that the transmission of described terminal switches to selection refers to
Order.
In the embodiment of the present invention two, in end side, propose a kind of terminal switching method, specific as follows state:
Step one: determine the signal level value of the adjacent cell of Serving cell.
The measurement object of configuration is measured, determines the signal level value of adjacent cell.
Step 2: report the signal level value of adjacent cell.
Step 3: receive the switching command switching to target handover cell.
Wherein target handover cell is that Serving cell selects in the candidate target cells received, candidate's mesh
Mark community is the Serving cell signal level value according to the adjacent cell received, and the adjacent cell of acquisition is
Little incoming level Qrxlevmin value is determined.
Correspondingly, the embodiment of the present invention two proposes a kind of terminal switching device, and as shown in Figure 4 b, it is concrete
Structure composition is as follows:
Determine module 41, for determining the signal level value of each adjacent cell of Serving cell.
Specifically, above-mentioned determine module 41, specifically for the measurement object of configuration is measured, determine institute
State the signal level value of adjacent cell.
Reporting module 42, for reporting the signal level value of described adjacent cell.
AM access module 43, for receiving the switching command switching to target handover cell, wherein said described mesh
Mark switching cell is that described Serving cell selects in the candidate target cells received, described candidate target
Community is the Serving cell signal level value according to the adjacent cell received, and the described adjacent cell obtained
Minimum incoming level Qrxlevmin value is determined.
In the technical scheme that the embodiment of the present invention two is set forth above, existing communication protocol and the IE of standard
In, there is no Qrxlevmin value, by configuring the Qrxlevmin value of each community, between base station, pass through X2
Interface interacts, and can obtain the Qrxlevmin value of each community, letter measurement obtained according to terminal
Number Qrxlevmin value obtained alternately between level value and base station, so using qualified adjacent cell as
Target handover cell reports base station, thus solves in the mobile management of connection status, and terminal switches to
After Target cell, terminal handoff failure may be caused, or terminal is difficult to the continuous of holding business at Target cell
Property, the problem that reliability is poor.
Embodiment three
The embodiment of the present invention three proposes a kind of terminal switching method, as it is shown in figure 5, its concrete process chart
Following:
Step 501, terminal determines the signal level value of each adjacent cell of Serving cell.
The measurement object of configuration is measured by terminal, determines the signal level value of each adjacent cell.
Wherein, for each community, object is measured in all configurations.Such as in LTE communication system, it is right to measure
As being frequency, terminal based on configuration measurement object, measure overlapping covered or switching band on each
The signal level value of adjacent cell.
For ease of illustrating, in the technical scheme that the embodiment of the present invention three proposes, will be currently Terminal for service
Community be referred to as Serving cell, the base station that terminal will switch is referred to as target handover cell.
Step 502, the signal level value of each adjacent cell of the Serving cell of cell receiver terminal to report.
Step 503, Serving cell, according to the signal level value of each adjacent cell, determines candidate target switching cell.
Step 504, Serving cell, in candidate target switching cell, selects a target handover cell.
Wherein, Serving cell can randomly choose a target handover cell in candidate target switching cell.
Or Serving cell can select a target switching little according to certain rule in candidate target switching cell
District.
Step 505, the signal level value of the target handover cell selected is sent to target switching by Serving cell
Community.
Step 506, target handover cell receives the signal level of this target handover cell that Serving cell sends
Value.
Step 507, target handover cell obtains the Qrxlevmin value of this community.
Step 508, target handover cell is according to the Qrxlevmin value of this community, and this community received
Signal level value, it may be judged whether allow terminal switch to this community.
The signal level value of this community that target handover cell sends according to the Serving cell received, it is thus achieved that this
The minimum incoming level Qrxlevmin value of community, and determining that signal level value is more than Qrxlevmin
During value, it is allowed to terminal switches to this community.When determining that signal level value is less than Qrxlevmin value, refuse
Terminal absolutely switches to this community
Wherein, in the technical scheme that the embodiment of the present invention three proposes, based on network uplink load or up-downgoing
The principle of link balance, arranges different Qrxlevmin values for each community.
Step 509, target handover cell is when determining that permission terminal switches to this community, and target switching is little
District sends to Serving cell and allows switching command.
Step 510, terminal, when determining that target handover cell allows terminal to access, is switched by Serving cell
To target handover cell.
Step 509 ', determine do not allow terminal to switch to this community time, target handover cell is to service
Community sends refusal switching command.
Step 510 ', Serving cell is when determining that target handover cell does not allow terminal to access, at candidate's mesh
Mark community selects other communities as target handover cell, and return and perform the signal of target handover cell
Level value is transferred to the step of the base station of this target handover cell.
In the embodiment of the present invention three, in serving BS side, propose a kind of terminal switching method, specific as follows state:
Step one: receive the signal level value of each adjacent cell of the Serving cell of terminal to report.
Step 2: according to the signal level value of each adjacent cell, determine candidate target cells.
Step 3: in candidate target cells, selects target handover cell.
Step 4: the signal level value of the target handover cell selected is sent to target handover cell.
Step 5: send handover request to described target handover cell, determining that target handover cell meets
During terminal access conditions, terminal is switched in described target handover cell.
Wherein it is determined that whether target handover cell meets terminal access conditions, including:
When receiving the permission switching command that target handover cell sends, determine that target handover cell meets end
End access conditions, and
When receiving the refusal switching command that described target handover cell sends, determine that the switching of described target is little
District does not meets terminal access conditions；
Wherein said permission switching command be target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of get Zhe community, at described signal level value more than described
Send during Qrxlevmin value；
Described refusal switching command is target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of this community, at described signal level value less than described Qrxlevmin
Send during value.
Alternatively, also include after above-mentioned steps four:
When determining that target handover cell does not meets terminal access conditions, in candidate target cells, select it
His community is as target handover cell, and returns and perform to send to mesh the signal level value of target handover cell
The step of mark switching cell.
Correspondingly, the embodiment of the present invention two proposes a kind of terminal switching device, and as shown in Figure 6 a, it is concrete
Structure composition is as follows:
Receiver module 601, for receiving the signal level value of each adjacent cell of the Serving cell of terminal to report.
Determine module 602, for the signal level value according to each adjacent cell, determine candidate target cells.
Select module 603, in described candidate target cells, select target handover cell.
Performing module 604, the signal level value of the described target handover cell for selecting sends to described
Target handover cell；And handover request is sent to described target handover cell, determining that described target switches
When community meets terminal access conditions, described terminal is switched in described target handover cell, and connecing
When receiving the refusal switching command that described target handover cell sends, determine that described target handover cell does not meets
Terminal access conditions；Wherein said permission switching command is that target handover cell is according to the signal level received
Value, and the minimum incoming level Qrxlevmin value of this community obtained, be more than at described signal level value
Send during described Qrxlevmin value；Described refusal switching command is that target handover cell is according to receiving
Signal level value, and the minimum incoming level Qrxlevmin value of this community obtained, at described signal electricity
Level values is less than transmission during described Qrxlevmin value.
Specifically, above-mentioned execution module 604, specifically for receiving what described target handover cell sent
When allowing switching command, determine that described target handover cell meets terminal access conditions.
Specifically, above-mentioned execution module 604, it is additionally operable to determining that described target handover cell does not meets end
During end access conditions, select other communities as target handover cell in described candidate target cells, and return
Receipt is about to the signal level value of described target handover cell and is sent to the step of described target handover cell.
In the embodiment of the present invention three, in target BS side, propose a kind of terminal switching method, specific as follows state:
Step one: receive the signal level value of this community that Serving cell sends.
Step 2: obtain the minimum incoming level Qrxlevmin value of this community.
Step 3: when determining described signal level value more than Qrxlevmin value, it is allowed to terminal switches to
This community.
Wherein, it is allowed to terminal switches to this community, including: to Serving cell send allow switching command.
Correspondingly, the embodiment of the present invention three proposes a kind of terminal switching device, and as shown in Figure 6 b, it is concrete
Structure composition is as follows:
Receiver module 61, for receiving the signal level value of this community that Serving cell sends.
Obtain module 62, for obtaining the minimum incoming level Qrxlevmin value of this community.
Perform module 63, for when determining described signal level value more than Qrxlevmin value, it is allowed to eventually
End-grain cutting shifts to this community.
Specifically, above-mentioned execution module 63, allow switching command specifically for sending to Serving cell.
In the technical scheme that the embodiment of the present invention three is set forth above, by configuring the Qrxlevmin value of each community,
Terminal is switching over or before cell reselection, measures according to corresponding configuration, and by measurement result
Reporting serving BS, serving BS, according to the measurement result of terminal to report, determines candidate target cells,
Candidate target cells (target BS) receives the measurement result of this community that terminal is measured, and acquisition is joined in advance
The Qrxlevmin value of Zhi Zhe community, compares signal level value and the Qrxlevmin value of this community, really
Whether determine to allow terminal to access to this community, thus solve in the mobile management of connection status, terminal is cut
After shifting to Target cell, terminal handoff failure may be caused, or terminal is difficult to holding business at Target cell
Seriality, the problem that reliability is poor.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment),
Or computer program.Therefore, the present invention can use complete hardware embodiment, complete software implementation,
Or combine the form of embodiment in terms of software and hardware.And, the present invention can use one or more its
In include the computer-usable storage medium of computer usable program code and (include but not limited to disk storage
Device, read-only optical disc, optical memory etc.) form of the upper computer program implemented.
The present invention is with reference to method, device (equipment) and computer program according to embodiments of the present invention
Flow chart and/or block diagram describe.It should be understood that can by computer program instructions flowchart and/or
Flow process in each flow process in block diagram and/or square frame and flow chart and/or block diagram and/or square frame
In conjunction with.These computer program instructions can be provided to general purpose computer, special-purpose computer, Embedded Processor
Or the processor of other programmable data processing device is to produce a machine so that by computer or other
The instruction that the processor of programmable data processing device performs produce for realizing in one flow process of flow chart or
The device of the function specified in multiple flow processs and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart
The function specified in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices
Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one
The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know base
This creativeness concept, then can make other change and amendment to these embodiments.So, appended right is wanted
Ask and be intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (28)
1. a terminal switching method, it is characterised in that including:
Obtain the minimum incoming level Qrxlevmin value of each adjacent cell of Serving cell；And
Determine the signal level value of each adjacent cell；And
For arbitrary adjacent cell, the relatively signal level value of described adjacent cell and described adjacent cell
Qrxlevmin value；And
When the signal level value of described adjacent cell is more than Qrxlevmin value, using described adjacent cell as candidate
Target cell reports.
2. the method for claim 1, it is characterised in that determine the signal electricity of each described adjacent cell
Level values, including:
The measurement object of configuration is measured, determines the signal level value of each described adjacent cell.
3. method as claimed in claim 1 or 2, it is characterised in that using described adjacent cell as time
After selecting Target cell to report, also include:
Receive the switching command that Serving cell sends；
According to described switching command, accessing to target handover cell, wherein said target handover cell is described
Serving cell selects in the candidate target cells reported.
4. a terminal switching method, it is characterised in that including:
Receiving the candidate target cells of terminal to report, wherein said candidate target cells is the letter that terminal is determined
Number level value is more than the adjacent cell of the Serving cell of Qrxlevmin value；
Select one of them community little as the target switching that terminal is to be switched in described candidate target cells
District；And
Handover request is sent to described target handover cell；And
Receiving for, during to the switching request acknowledgement message of described switching request response, sending out to described terminal
Send the switching command of the target handover cell switching to selection.
5. a terminal switching method, it is characterised in that including:
Receive the signal level value of the adjacent cell of terminal to report；
Obtain the minimum incoming level Qrxlevmin value of described adjacent cell；
Compare signal level value and the Qrxlevmin value of described adjacent cell of described adjacent cell；And
When the signal level value of described adjacent cell is more than Qrxlevmin value, using described adjacent cell as candidate
Target cell.
6. method as claimed in claim 5, it is characterised in that obtain the Qrxlevmin of described adjacent cell
Value, including:
By and adjacent cell between mutual, it is thus achieved that the Qrxlevmin value of described adjacent cell.
7. the method as described in claim 5 or 6, it is characterised in that using described adjacent cell as time
After selecting Target cell, also include:
The target handover cell that terminal is to be switched is selected in described candidate target cells；And
The switching command of the target handover cell switching to selection is sent to described terminal.
8. a terminal switching method, it is characterised in that including:
Determine the signal level value of each adjacent cell of Serving cell；And
Report the signal level value of described adjacent cell；And
Receiving the switching command switching to target handover cell, wherein said target handover cell is described service
Community selects in the candidate target cells received, and described candidate target cells is that Serving cell is according to connecing
The signal level value of the adjacent cell received, and the minimum incoming level of the described adjacent cell obtained
Qrxlevmin value is determined.
9. method as claimed in claim 8, it is characterised in that determine the letter of the adjacent cell of Serving cell
Number level value, including:
The measurement object of configuration is measured, determines the signal level value of described adjacent cell.
10. a terminal switching method, it is characterised in that including:
Receive the signal level value of each adjacent cell of the Serving cell of terminal to report；
According to the signal level value of each adjacent cell, determine candidate target cells；And
In described candidate target cells, select target handover cell；And
The signal level value of the described target handover cell selected is sent to described target handover cell；And
Send handover request to described target handover cell, determining that described target handover cell meets terminal
During access conditions, described terminal is switched in described target handover cell.
11. methods as claimed in claim 10, it is characterised in that determine that described target handover cell is
No meet terminal access conditions, including:
When receiving the permission switching command that described target handover cell sends, determine that the switching of described target is little
District meets terminal access conditions, and
When receiving the refusal switching command that described target handover cell sends, determine that the switching of described target is little
District does not meets terminal access conditions；
Wherein said permission switching command be target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of get Zhe community, at described signal level value more than described
Send during Qrxlevmin value；
Described refusal switching command is target handover cell according to the signal level value received, and obtain
The minimum incoming level Qrxlevmin value of this community, at described signal level value less than described Qrxlevmin
Send during value.
12. methods as described in claim 10 or 11, it is characterised in that also include:
When determining that described target handover cell does not meets terminal access conditions, in described candidate target cells
Other communities of middle selection are as target handover cell, and return execution by the signal electricity of described target handover cell
Level values sends the step to described target handover cell.
13. 1 kinds of terminal switching methods, it is characterised in that including:
Receive the signal level value of this community that Serving cell sends；And
Obtain the minimum incoming level Qrxlevmin value of this community；And
When determining described signal level value more than Qrxlevmin value, it is allowed to terminal switches to this community.
14. methods as claimed in claim 13, it is characterised in that allow terminal to switch to this community,
Including:
Send to Serving cell and allow switching command.
15. 1 kinds of terminal switching devices, it is characterised in that including:
Acquisition module, for obtaining the minimum incoming level Qrxlevmin value of each adjacent cell of Serving cell；
Determine module, for determining the signal level value of each adjacent cell；
Comparison module, for for arbitrary adjacent cell, comparing the signal level value of described adjacent cell and described neighbour
The Qrxlevmin value of community；
Perform module, for when the signal level value of described adjacent cell is more than Qrxlevmin value, by described
Adjacent cell reports as candidate target cells.
16. devices as claimed in claim 15, it is characterised in that described determine module, specifically for
The measurement object of configuration is measured, determines the signal level value of each described adjacent cell.
17. devices as described in claim 15 or 16, it is characterised in that described execution module, also use
In receiving the switching command that Serving cell sends；According to described switching command, access to target handover cell,
Wherein said target handover cell is that described Serving cell selects in the candidate target cells reported.
18. 1 kinds of terminal switching devices, it is characterised in that including:
Receiver module, for receiving the candidate target cells of terminal to report, wherein said candidate target cells is
The signal level value that terminal is determined is more than the adjacent cell of the Serving cell of Qrxlevmin value；
Select module, for selecting one of them community to be switched as terminal in described candidate target cells
Target handover cell；
Sending module, for sending handover request to described target handover cell；
Described receiver module, is additionally operable to receive for disappearing the Handover Request Acknowledge of described switching request response
Breath；
Perform module, for sending the switching command of the target handover cell switching to selection to described terminal.
19. 1 kinds of terminal switching devices, it is characterised in that including:
Receiver module, for receiving the signal level value of the adjacent cell of terminal to report；
Obtain module, for obtaining the minimum incoming level Qrxlevmin value of described adjacent cell；
Comparison module, for signal level value and the Qrxlevmin of described adjacent cell of relatively described adjacent cell
Value；
Perform module, for when the signal level value of described adjacent cell is more than Qrxlevmin value, by described
Adjacent cell is as candidate target cells.
20. devices as claimed in claim 19, it is characterised in that described acquisition module, specifically for
By and adjacent cell between mutual, it is thus achieved that the Qrxlevmin value of described adjacent cell.
21. devices as described in claim 19 or 20, it is characterised in that described execution module, also use
In the target handover cell that selection terminal in described candidate target cells is to be switched；And send to described terminal
Switch to the switching command of the target handover cell selected.
22. 1 kinds of terminal switching devices, it is characterised in that including:
Determine module, for determining the signal level value of each adjacent cell of Serving cell；
Reporting module, for reporting the signal level value of described adjacent cell；
AM access module, for receiving the switching command switching to target handover cell, wherein said described target
Switching cell is that described Serving cell selects in the candidate target cells received, and described candidate target is little
District is the Serving cell signal level value according to the adjacent cell received, and the described adjacent cell obtained is
Little incoming level Qrxlevmin value is determined.
23. devices as claimed in claim 22, it is characterised in that described determine module, specifically for
The measurement object of configuration is measured, determines the signal level value of described adjacent cell.
24. 1 kinds of terminal switching devices, it is characterised in that including:
Receiver module, for receiving the signal level value of each adjacent cell of the Serving cell of terminal to report；
Determine module, for the signal level value according to each adjacent cell, determine candidate target cells；
Select module, in described candidate target cells, select target handover cell；
Performing module, the signal level value of the described target handover cell for selecting sends to described target
Switching cell；And handover request is sent to described target handover cell, determining described target handover cell
When meeting terminal access conditions, described terminal is switched in described target handover cell.
25. devices as claimed in claim 24, it is characterised in that described execution module, specifically for
When receiving the permission switching command that described target handover cell sends, determine that described target handover cell accords with
Close terminal access conditions, and when receiving the refusal switching command that described target handover cell sends, really
Fixed described target handover cell does not meets terminal access conditions；Wherein said permission switching command is target switching
Community is according to the signal level value received, and the minimum incoming level Qrxlevmin of this community obtained
Value, sends when described signal level value is more than described Qrxlevmin value；Described refusal switching command is
Target handover cell is according to the signal level value received, and the minimum incoming level of this community obtained
Qrxlevmin value, sends when described signal level value is less than described Qrxlevmin value.
26. devices as described in claim 24 or 25, it is characterised in that described execution module, also use
In when determining that described target handover cell does not meets terminal access conditions, in described candidate target cells
Select other communities as target handover cell, and return and perform the signal level of described target handover cell
Value sends the step to described target handover cell.
27. 1 kinds of terminal switching devices, it is characterised in that include
Receiver module, for receiving the signal level value of this community that Serving cell sends；
Obtain module, for obtaining the minimum incoming level Qrxlevmin value of this community；
Perform module, for when determining described signal level value more than Qrxlevmin value, it is allowed to terminal
Switch to this community.
28. devices as claimed in claim 27, it is characterised in that described execution module, specifically for
Send to Serving cell and allow switching command.
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|---|---|---|---|
| CN201510044093.2A CN105992296A (en) | 2015-01-28 | 2015-01-28 | Terminal switching method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044093.2A CN105992296A (en) | 2015-01-28 | 2015-01-28 | Terminal switching method and device |
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