CN106470456A - A kind of method and terminal carrying out relay selection in network termination - Google Patents
A kind of method and terminal carrying out relay selection in network termination Download PDFInfo
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- CN106470456A CN106470456A CN201510502963.6A CN201510502963A CN106470456A CN 106470456 A CN106470456 A CN 106470456A CN 201510502963 A CN201510502963 A CN 201510502963A CN 106470456 A CN106470456 A CN 106470456A
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- Prior art keywords
- relay selection
- waiting timer
- described relay
- selection
- request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
Abstract
The invention discloses a kind of method and terminal carrying out relay selection in network termination.On the one hand, before UE carries out the selection of link terminal according to relay selection rule, start relay selection request waiting timer.In timer expiry and still meet relay selection rule on the premise of, carry out the selection of link terminal according to relay selection rule.By waiting timer timing duration, the overlay environment residing for UE may have occurred change, for example, be moved to strong overlay area from weak overlay area, now when judging, it has been unsatisfactory for relay selection trigger condition, has not then carried out relay selection, thus avoiding pingpang handoff.On the other hand, when reporting relay selection request, also start relay selection waiting timer, if still not receiving relay selection order in this timer expiry, then link terminal is selected according to relay selection rule, it is to avoid terminal is rapidly separated the network coverage and leads to service disconnection.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly, to a kind of side carrying out relay selection in network termination
Method and terminal.
Background technology
In mobile communication system future development, in order to better meet user's request, introduce D2D
(Device-to-Device), i.e. terminal direct connection technology, refers to that neighbouring terminal can be in short range
It is not necessary to be forwarded by Centroid (i.e. base station) by way of direct connected link carries out data transmission,
Also without the information transfer being carried out by traditional cellular link between UE.It includes D2D and finds (Device
To Device Discovery) mechanism and D2D communication (Device to Device Communication) mechanism.
On the basis of D2D, for off-grid terminal (UE), if in order to it can be communicated with network,
Can for off-grid UE select one neighbouring be its interim data in net UE, should be referred to as relaying in net UE
Terminal (Relay UE), this scene is referred to as terminal to network relaying (UE to Network Relay).
Wherein, terminal to networking repeated link (UE to network relay link) by Relay UE and eNB
Between equipment to network link (D2N link) and Relay UE, (Remote UE refers to need with remote terminal
Will be by relaying and the UE of base station communication) between device-to-device link (D2D link) form.
When terminal (UE) is during moving to off-grid in net, UE needs business from equipment to network
Link (D2N link) transfers to device-to-device link (D2D link), as shown in Figure 1.If UE
Set up with relay again when off-grid and be connected, before off-grid to relay successful connection foundation, the business of UE
Interruption occurs.For the business of public safety class, need avoidance breakout as far as possible.In this
Disconnected, netting UE when the network coverage will be departed from for one, relay can set up in advance and connect.
Select to have at present two schemes in the relay of net UE, the relay that eNB controls selects and UE controls
Relay select.
The core concept of relay selection scheme that eNB controls is：ENB is allocated to remote UE and is based on survey
The event of amount, during event triggering, remote UE reports candidate relay, and eNB selects a relay, then
Send relay select command to remote UE, remote UE is according to command selection relay receiving.This
The benefit of method is, compared to remote UE, eNB knows the information of more relay and network, Neng Goubang
Remote UE is helped to make rational selection, network is obtained in that preferable performance.Shortcoming is if remote
UE is rapidly separated the network coverage, and D2N link channel quality declines quickly, and remote UE may receive
The connection with eNB is just lost, then remote UE is accomplished by when completely before relay select command
Off-grid is set up with relay and is connected, and the business of remote UE can be interrupted.
The core concept of relay selection scheme that UE controls is：Relay based on pre-configured or high-rise configuration
Select rule, UE oneself selects relay.The benefit of this method is to be independent of the control of eNB, in office
What can complete relay in the case of select, it is to avoid in eNB control program, remote UE is rapidly separated
Issuable interruption during the network coverage.Shortcoming is that remote UE can only be entered based on less relay information
Row selects it is impossible to obtain the network performance of relatively optimization；In addition, the relay choosing of pre-configured or high-rise configuration
Select regular comparative static it is impossible to adapt to dynamic network coverage situation, remote UE may be led at some
Business is switched to relay by weak overlay area, needs to cut business again after UE moves to strong overlay area again
Return network, cause business in relay and internetwork pingpang handoff.
Content of the invention
It is an object of the invention to provide a kind of method and terminal carrying out relay selection in network termination, to solve
In the relay system of selection that eNB controls, if remote UE is rapidly separated the network coverage and can lead to business
The problem interrupted, and the problem of the pingpang handoff of relay selection of UE control.
The purpose of the present invention is achieved through the following technical solutions：
In order to solve the problems, such as the pingpang handoff that the relay that UE controls selects, embodiments provide
A kind of method carrying out relay selection in net UE, including：
After meeting the relay selection trigger condition in relay selection rule, start relay selection request and wait timing
Device；
When described relay selection request waiting timer time-out, and still meet described relay selection triggering bar
Part, selects link terminal according to described relay selection rule.
Optionally, after the described relay selection trigger condition meeting in relay selection rule, start relay selection
Request waiting timer, including：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
Optionally, judge that the foundation interrupted with network service is：
T310 intervalometer is currently running.
Optionally, after starting relay selection request waiting timer, the method also includes：
When judging to recover with network service, stop described relay selection and ask waiting timer, and still meeting
During described relay selection trigger condition, link terminal is selected according to described relay selection rule；
Or, the method also includes：
When judging to recover with network service, stop described relay selection and ask waiting timer, still meeting institute
When stating relay selection trigger condition, report relay selection to ask, and start relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that the foundation recovered with network service is：
T310 intervalometer stops.
Optionally, the method also includes：
Meet the relay selection trigger condition in relay selection rule, but do not interrupt with network service, in reporting
Continue selection request, and starts relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that uninterrupted foundation is with network service：
T310 intervalometer off-duty.
Based on above-mentioned any means embodiment, optionally, start described relay selection request waiting timer it
Before, the method also includes：
Described relay selection is obtained by broadcast or dedicated signaling and asks waiting timer.
Based on above-mentioned any means embodiment, optionally, before starting described relay selection waiting timer,
The method also includes：
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, including：
Relay selection asks waiting timer starting module, for meeting the relay selection in relay selection rule
After trigger condition, start relay selection request waiting timer；
Relay selection module, for asking waiting timer time-out when described relay selection, and still meets institute
State relay selection trigger condition, link terminal is selected according to described relay selection rule.
Optionally, described relay selection request waiting timer starting module is used for：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
Optionally, judge that the foundation interrupted with network service is：
T310 intervalometer is currently running.
Optionally, described relay selection module is additionally operable to：After starting relay selection request waiting timer, when
Judge to recover with network service, stop described relay selection and ask waiting timer, and still meet described in
During the selection trigger condition that continues, link terminal is selected according to described relay selection rule.
Optionally, also include selecting request reporting module, for starting after relay selection request waiting timer,
When judging to recover with network service, stop described relay selection and ask waiting timer, still meet described in
During the selection trigger condition that continues, report relay selection to ask, and start relay selection waiting timer；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that the foundation recovered with network service is：
T310 intervalometer stops.
Optionally, also include selecting request reporting module, for meeting the relay selection in relay selection rule
Trigger condition, but do not interrupt with network service, report relay selection to ask, and it is undetermined to start relay selection etc.
When device；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that uninterrupted foundation is with network service：
T310 intervalometer off-duty.
Based on above-mentioned any terminal embodiment, optionally, also include relay selection request waiting timer and obtain
Module, for starting described relay selection request etc. in described relay selection request waiting timer starting module
Before treating intervalometer, described relay selection is obtained by broadcast or dedicated signaling and asks waiting timer.
Based on above-mentioned any terminal embodiment, optionally, also include relay selection waiting timer acquisition module,
Before starting described relay selection waiting timer in described relay selection waiting timer starting module,
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, including：
Processor, memorizer and transceiver；
Processor is used for reading program from memorizer, executes following process：
After meeting the relay selection trigger condition in relay selection rule, start relay selection request and wait timing
Device；
When described relay selection request waiting timer time-out, and still meet described relay selection triggering bar
Part, selects link terminal according to described relay selection rule.
Transceiver is used for sending and receiving data under the control of a processor.
Memorizer is used for preserving the data being used during computing device operation.
Optionally, after meeting the relay selection trigger condition in relay selection rule, start relay selection request
During waiting timer, processor is used for reading program from memorizer, executes following process：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
Optionally, judge that the foundation interrupted with network service is：
T310 intervalometer is currently running.
Optionally, processor is additionally operable to reading program from memorizer, executes following process：Start relaying choosing
After selecting request waiting timer, when judging to recover with network service, stop described relay selection request etc. undetermined
When device, and when still meeting described relay selection trigger condition, relaying is selected according to described relay selection rule
Terminal.
Optionally, processor is additionally operable to reading program from memorizer, executes following process：Start relaying choosing
After selecting request waiting timer, when judging to recover with network service, stop described relay selection request etc. undetermined
When device, when still meeting described relay selection trigger condition, by transceiver report relay selection ask, and
Start relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that the foundation recovered with network service is：
T310 intervalometer stops.
Optionally, processor is additionally operable to reading program from memorizer, executes following process：Meet relaying choosing
Select the relay selection trigger condition in rule, but do not interrupt with network service, report relay selection to ask, and
Start relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that uninterrupted foundation is with network service：
T310 intervalometer off-duty.
Based on above-mentioned any terminal embodiment, optionally, processor is additionally operable to reading program from memorizer,
Execute following process：Starting described relay selection in described relay selection request waiting timer starting module please
Before seeking waiting timer, described relay selection is obtained by broadcast or dedicated signaling and asks waiting timer.
Based on above-mentioned any terminal embodiment, optionally, processor is additionally operable to reading program from memorizer,
Execute following process：Start described relay selection etc. in described relay selection waiting timer starting module undetermined
When device before, by broadcast or dedicated signaling obtain described relay selection waiting timer
In technical scheme provided in an embodiment of the present invention, in UE, link terminal is carried out according to relay selection rule
Selection before, start relay selection request waiting timer.In timer expiry and still meet relaying choosing
On the premise of selecting rule, carry out the selection of link terminal according to relay selection rule.By waiting timer meter
Overlay environment residing for Shi Shichang, UE may have occurred change, for example, move to from weak overlay area
Strong overlay area, now when judging, has been unsatisfactory for relay selection trigger condition, then do not carry out relaying choosing
Select, thus avoiding pingpang handoff.
In order to solve in the relay system of selection that eNB controls, if remote UE is rapidly separated network covered
Lid can lead to the problem of service disconnection, embodiments provide a kind of net UE carry out relay selection
Method, including：
Meet the relay selection trigger condition in relay selection rule, report relay selection to ask, and start
Continue selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, before starting relay selection waiting timer, the method also includes：
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, including：
Relay selection asks reporting module, for meeting the relay selection trigger condition in relay selection rule,
Report relay selection to ask, and start relay selection waiting timer；
Relay selection module, if for described relay selection waiting timer time-out before, receive in response to
The relay selection order of described relay selection request, according to described relay selection command selection link terminal；As
Really described relay selection waiting timer is overtime but is not received by described relay selection order, in described
The selection rule that continues selects link terminal.
Optionally, also include relay selection waiting timer acquisition module, in the request of described relay selection
Before reporting module starts relay selection waiting timer, described relaying choosing is obtained by broadcast or dedicated signaling
Select waiting timer.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, including：
Processor, memorizer and transceiver；
Processor is used for reading program from memorizer, executes following process：
Meet the relay selection trigger condition in relay selection rule, report relay selection to ask by transceiver
Ask, and start relay selection waiting timer；
If before described relay selection waiting timer time-out, by transceiver in response to described relaying
Select the relay selection order of request, according to described relay selection command selection link terminal；If in described
The selection waiting timer that continues is overtime but is not received by described relay selection order, is advised according to described relay selection
Then select link terminal.
Transceiver, for receiving under the control of a processor and sending data.
Memorizer, for preserving the data being used during computing device operation.
Optionally, processor is additionally operable to reading program from memorizer, executes following process：In described relaying
Before selecting request reporting module to start relay selection waiting timer, institute is obtained by broadcast or dedicated signaling
State relay selection waiting timer.
Technical scheme provided in an embodiment of the present invention, when reporting relay selection request, also starts relay selection
Waiting timer, if still not receiving relay selection order in this timer expiry, according to relaying choosing
Select rule and select link terminal, it is to avoid terminal is rapidly separated the network coverage and leads to service disconnection.
Brief description
Business is transferred to showing of D2D link from D2N link for what prior art provided in net UE by Fig. 1
It is intended to；
Fig. 2 is a kind of method flow diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of terminal schematic diagram provided in an embodiment of the present invention；
Fig. 4 is another kind method flow diagram provided in an embodiment of the present invention；
Fig. 5 is another kind terminal schematic diagram provided in an embodiment of the present invention；
Fig. 6 is another terminal structure schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme provided in an embodiment of the present invention is described in detail.
Fig. 2 show a kind of method flow carrying out relay selection in net UE provided in an embodiment of the present invention
Figure, specifically includes following operation：
Step 100, meet relay selection rule in relay selection trigger condition after, start relay selection please
Seek waiting timer.
In the embodiment of the present invention, relay selection rule is pre-configured or is obtained by high-level signaling.In
The selection rule that continues includes relay selection trigger condition, also includes the selection rule of link terminal.
The embodiment of the present invention misalign continue select the content of relay selection trigger condition that includes of rule with
The selection Rule content of the terminal that continues is defined.
Step 110, when above-mentioned relay selection request waiting timer time-out, and still meet the choosing of above-mentioned relaying
Select trigger condition, link terminal is selected according to above-mentioned relay selection rule.
Wherein, if relay selection request waiting timer time-out, but it has been unsatisfactory for above-mentioned relay selection and has touched
Clockwork spring part, then do not select link terminal.
In technical scheme provided in an embodiment of the present invention, in UE, link terminal is carried out according to relay selection rule
Selection before, start relay selection request waiting timer.In relay selection request waiting timer time-out
And on the premise of still meeting relay selection rule, carry out the selection of link terminal according to relay selection rule.
Ask waiting timer timing duration through relay selection, the overlay environment residing for UE may have occurred change,
For example it is moved to strong overlay area from weak overlay area, now when judging, be unsatisfactory for relaying choosing
Select trigger condition, then do not carry out relay selection, thus avoiding pingpang handoff.
In the embodiment of the present invention, in above-mentioned steps 100, start the triggering that relay selection asks waiting timer
Condition can be only above-mentioned relay selection trigger condition it is also possible to include other trigger conditions.For example, meet
Relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start and select request
Waiting timer.
In the embodiment of the present invention, judge that the foundation interrupted with network service is had multiple.For example, T310 timing
Device is currently running then it represents that being interrupted with network service.Again for example, if the bit error rate exceedes the threshold value of setting,
Then represent and interrupt with network service.Again for example, if signal to noise ratio exceedes the threshold value of setting then it represents that and network
Communication disruption.Etc..
It is currently running as a example above-mentioned decision condition using T310 intervalometer.Assume in net UE according in advance
The relay selection rule of configuration or high-level signaling acquisition, judges to meet the relay selection in relay selection rule
Trigger condition, and judge that T310 intervalometer is currently running, then start relay selection request waiting timer；
When relay selection request waiting timer time-out, judge to still meet above-mentioned relay selection trigger condition, then root
Carry out the selection of link terminal according to relay selection rule.
The premise of waiting timer is asked also to include determining whether to interrupt with network service if starting relay selection, can
Choosing, start relay selection request waiting timer after, when judge with network service recover, at least just like
Lower two kinds of processing modes：
One, stopping relay selection request waiting timer, and still meeting above-mentioned relay selection trigger condition
When, link terminal is selected according to above-mentioned relay selection rule.
Two, stop relay selection request waiting timer, when still meeting above-mentioned relay selection trigger condition,
Report relay selection to ask, and start relay selection waiting timer；If relay selection waiting timer surpasses
Shi Qian, receives the relay selection order in response to the request of this relay selection, is selected according to this relay selection order
Select link terminal；If relay selection waiting timer is overtime but it is not received by relay selection order, according to
Above-mentioned relay selection rule selects link terminal.
Wherein, before reporting relay selection request, link terminal can also be selected according to relay selection rule.
Accordingly, the link terminal of selection can be carried in relay selection request.Can also carry in all candidates
The terminal that continues and/or the information of link terminal correlation.This situation is equally applicable to following need to report relay selection
Each embodiment of request.
Accordingly, if relay selection waiting timer time-out but be not received by relay selection order, permissible
Again according to above-mentioned relay selection rule select link terminal it is also possible to using the link terminal selecting before as
The link terminal of final choice.
In the present embodiment, when reporting relay selection request, also start relay selection waiting timer, at this
If still not receiving relay selection order during relay selection waiting timer time-out, advised according to relay selection
Then select link terminal, it is to avoid terminal is rapidly separated the network coverage and leads to service disconnection.
Wherein, judge that the foundation recovered with network service is had multiple.Assume judge with network service interrupt according to
According to being that T310 intervalometer is currently running, accordingly, judge that the foundation recovered with network service is T310 timing
Device stops；Assume to judge that the foundation interrupted with network service is the threshold value that the bit error rate exceedes setting, accordingly,
Judge with network service recover foundation be the bit error rate be less than setting threshold value (this threshold value can with judge interrupt
Threshold value identical it is also possible to less than judge interrupt threshold value)；Assume the foundation judging to interrupt with network service
It is the threshold value that signal to noise ratio exceedes setting, accordingly, judge that the foundation recovered with network service is that signal to noise ratio is less than
Set threshold value (this threshold value can with judge interrupt threshold value identical it is also possible to less than judge interrupt threshold
Value).
Still it is currently running as a example the decision condition interrupting with network service using T310 intervalometer.
It is assumed that netting UE according to the relay selection being pre-configured with or high-level signaling obtains in one embodiment
Rule, judges to meet the relay selection trigger condition in relay selection rule, and judges T310 intervalometer
It is currently running, then start relay selection request waiting timer；In relay selection request waiting timer time-out
Before, T310 intervalometer stops, then stop relay selection request waiting timer, is judging to still meet
When stating relay selection trigger condition, then carry out the selection of link terminal according to relay selection rule.
It is assumed that being selected according to the relaying being pre-configured with or high-level signaling obtains in net UE in another embodiment
Select rule, judge to meet the relay selection trigger condition in relay selection rule, and judge T310 timing
Device is currently running, then start relay selection request waiting timer；Surpass in relay selection request waiting timer
Shi Qian, T310 intervalometer stop, then stop relay selection request waiting timer, still meet above-mentioned in
During the selection trigger condition that continues, report relay selection to ask, and start relay selection waiting timer；If in
Continue before selection waiting timer time-out, receive the relay selection order in response to the request of this relay selection, root
According to this relay selection command selection link terminal；If relay selection waiting timer is overtime but it is not received by
Relay selection order, selects link terminal according to above-mentioned relay selection rule.
The premise of waiting timer is asked also to include determining whether to interrupt with network service, such as if starting relay selection
Fruit meets the relay selection trigger condition in relay selection rule, but does not interrupt with network service, has at least two
Plant processing mode.
The first terminates the flow process of link terminal selection.
It two is to report relay selection to ask, and starts relay selection waiting timer；If relay selection etc.
Before treating timer expiry, receive the relay selection order in response to relay selection request, according to above-mentioned relaying
Select command selects link terminal；If relay selection waiting timer is overtime but it is not received by relay selection
Order, selects link terminal according to above-mentioned relay selection rule.
In the embodiment of the present invention, judge with network service uninterrupted foundation have multiple.Assume to judge and network
The foundation of communication disruption is that T310 intervalometer is currently running, and accordingly, judges uninterrupted with network service
Foundation is T310 intervalometer off-duty；Assume to judge that with the foundation of network service interruption be that the bit error rate exceedes and sets
Fixed threshold value, accordingly, judges that with the uninterrupted foundation of network service be the bit error rate not less than this threshold value；False
If judging that the foundation interrupted with network service is the threshold value that signal to noise ratio exceedes setting, accordingly, judge and network
The uninterrupted foundation that communicates is signal to noise ratio not less than this threshold value.
Still it is currently running as a example the decision condition interrupting with network service using T310 intervalometer.
It is assumed that netting UE according to the relay selection being pre-configured with or high-level signaling obtains in one embodiment
Rule, judges to meet the relay selection trigger condition in relay selection rule, but judges T310 intervalometer not
Run, then terminate relay selection flow process.
It is assumed that being selected according to the relaying being pre-configured with or high-level signaling obtains in net UE in another embodiment
Select rule, judge to meet the relay selection trigger condition in relay selection rule, but judge T310 intervalometer
Off-duty, reports relay selection to ask, and starts relay selection waiting timer；If relay selection waits
Before timer expiry, receive the relay selection order in response to relay selection request, selected according to above-mentioned relaying
Select command selection link terminal；If relay selection waiting timer is overtime but it is not received by relay selection life
Order, selects link terminal according to above-mentioned relay selection rule.
In each embodiment of the method above-mentioned, relay selection request waiting timer can be that end side oneself sets
Or start relay selection request waiting timer before, by broadcast or dedicated signaling obtain
's.
In each embodiment of the method above-mentioned, relay selection waiting timer can be that end side oneself sets,
Can also be before starting relay selection waiting timer, be obtained by broadcast or dedicated signaling.
The embodiment of the present invention also provides a kind of method selecting link terminal in net UE, and the method includes：
After meeting the relay selection trigger condition in relay selection rule, start relay selection request and wait timing
Device.
Before above-mentioned relay selection request waiting timer time-out, relaying is selected according to above-mentioned relay selection rule
Terminal.
When above-mentioned relay selection request waiting timer time-out, and still meet above-mentioned relay selection triggering bar
Part, realizes trunking traffic by the link terminal of above-mentioned selection.
The specific implementation of the method is referred to above-mentioned each embodiment based on Fig. 2, no longer superfluous herein
State.
This implementation is with the difference of the embodiment based on Fig. 2, can ask to wait in relay selection
Before timer expiry, carry out the selection of link terminal.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, as shown in figure 3,
Including：
Relay selection asks waiting timer starting module 301, for meeting the relaying in relay selection rule
After selecting trigger condition, start relay selection request waiting timer；
Relay selection module 302, for when described relay selection request waiting timer time-out and still full
The described relay selection trigger condition of foot, selects link terminal according to described relay selection rule.
In technical scheme provided in an embodiment of the present invention, in UE, link terminal is carried out according to relay selection rule
Selection before, start relay selection request waiting timer.In timer expiry and still meet relaying choosing
On the premise of selecting rule, carry out the selection of link terminal according to relay selection rule.By waiting timer meter
Overlay environment residing for Shi Shichang, UE may have occurred change, for example, move to from weak overlay area
Strong overlay area, now when judging, has been unsatisfactory for relay selection trigger condition, then do not carry out relaying choosing
Select, thus avoiding pingpang handoff.
Optionally, described relay selection request waiting timer starting module is used for：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
Optionally, judge that the foundation interrupted with network service is：
T310 intervalometer is currently running.
Optionally, described relay selection module is additionally operable to：After starting relay selection request waiting timer, when
Judge to recover with network service, stop described relay selection and ask waiting timer, and still meet described in
During the selection trigger condition that continues, link terminal is selected according to described relay selection rule.
Optionally, also include selecting request reporting module, for starting after relay selection request waiting timer,
When judging to recover with network service, stop described relay selection and ask waiting timer, still meet described in
During the selection trigger condition that continues, report relay selection to ask, and start relay selection waiting timer；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that the foundation recovered with network service is：
T310 intervalometer stops.
Optionally, also include selecting request reporting module, for meeting the relay selection in relay selection rule
Trigger condition, but do not interrupt with network service, report relay selection to ask, and it is undetermined to start relay selection etc.
When device；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Optionally, judge that uninterrupted foundation is with network service：
T310 intervalometer off-duty.
Based on above-mentioned any terminal embodiment, optionally, also include relay selection request waiting timer and obtain
Module, for starting described relay selection request etc. in described relay selection request waiting timer starting module
Before treating intervalometer, described relay selection is obtained by broadcast or dedicated signaling and asks waiting timer.
Based on above-mentioned any terminal embodiment, optionally, also include relay selection waiting timer acquisition module,
Before starting described relay selection waiting timer in described relay selection waiting timer starting module,
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
Fig. 4 show another kind of method flow carrying out relay selection in net UE provided in an embodiment of the present invention
Figure, specifically includes following operation：
Step 200, the relay selection trigger condition meeting in relay selection rule, report relay selection to ask,
And start relay selection waiting timer.
In the embodiment of the present invention, relay selection rule is pre-configured or is obtained by high-level signaling.In
The selection rule that continues includes relay selection trigger condition, also includes the selection rule of link terminal.
The embodiment of the present invention misalign continue select the content of relay selection trigger condition that includes of rule with
The selection Rule content of the terminal that continues is defined.
If before step 210 above-mentioned relay selection waiting timer time-out, received in response to above-mentioned relaying
Select the relay selection order of request, according to above-mentioned relay selection command selection link terminal.
If step 220 above-mentioned relay selection waiting timer is overtime but it is not received by above-mentioned relay selection
Order, selects link terminal according to above-mentioned relay selection rule.
Technical scheme provided in an embodiment of the present invention, when reporting relay selection request, also starts relay selection
Waiting timer, if still not receiving relay selection order in this timer expiry, according to relaying choosing
Select rule and select link terminal, it is to avoid terminal is rapidly separated the network coverage and leads to service disconnection.
In the embodiment of the present invention, relay selection waiting timer can be end side oneself set it is also possible to
It is before starting relay selection waiting timer, obtained by broadcast or dedicated signaling.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, as shown in figure 5,
Including：
Relay selection asks reporting module 501, for meeting the relay selection triggering bar in relay selection rule
Part, reports relay selection to ask, and starts relay selection waiting timer；
Relay selection module 502, if before for described relay selection waiting timer time-out, receive sound
Described in Ying Yu, the relay selection order of relay selection request, relays eventually according to described relay selection command selection
End；If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
Technical scheme provided in an embodiment of the present invention, when reporting relay selection request, also starts relay selection
Waiting timer, if still not receiving relay selection order in this timer expiry, according to relaying choosing
Select rule and select link terminal, it is to avoid terminal is rapidly separated the network coverage and leads to service disconnection.
Optionally, also include relay selection waiting timer acquisition module, in the request of described relay selection
Before reporting module starts relay selection waiting timer, described relaying choosing is obtained by broadcast or dedicated signaling
Select waiting timer.
Based on the inventive concept same with method, the embodiment of the present invention also provides a kind of terminal, as shown in fig. 6,
Including：
Processor 600, memorizer 620 and transceiver 610.
Transceiver 610 is used for sending and receiving data under the control of processor 600.
Memorizer 620 is used for preserving the data being used during processor 600 execution operation.
On the one hand, processor 600 is used for reading program from memorizer 620, executes following process：
After meeting the relay selection trigger condition in relay selection rule, start relay selection request and wait timing
Device；
When described relay selection request waiting timer time-out, and still meet described relay selection triggering bar
Part, selects link terminal according to described relay selection rule.
Before UE carries out the selection of link terminal according to relay selection rule, start relay selection request etc.
Treat intervalometer.In timer expiry and still meet relay selection rule on the premise of, according to relay selection advise
Then carry out the selection of link terminal.By waiting timer timing duration, the overlay environment residing for UE may
There occurs change, for example, be moved to strong overlay area from weak overlay area, now when judging,
It is unsatisfactory for relay selection trigger condition, does not then carry out relay selection, thus avoiding pingpang handoff.
On the other hand, processor 600 is used for reading program from memorizer 620, executes following process：
Meet the relay selection trigger condition in relay selection rule, relay selection is reported by transceiver 610
Request, and start relay selection waiting timer；
If before described relay selection waiting timer time-out, by transceiver in response to described relaying
Select the relay selection order of request, according to described relay selection command selection link terminal；If in described
The selection waiting timer that continues is overtime but is not received by described relay selection order, is advised according to described relay selection
Then select link terminal.
When reporting relay selection request, also start relay selection waiting timer, in this timer expiry
If still not receiving relay selection order, link terminal is selected according to relay selection rule, it is to avoid terminal
It is rapidly separated the network coverage and lead to service disconnection.
Wherein, in figure 6, bus architecture can include bus and the bridge of any number of interconnection, specifically by
One or more processors and the various electrical chains of the memorizer of memorizer 620 representative that processor 600 represents
It is connected together.Bus architecture can also be by such as ancillary equipment, manostat and management circuit or the like
Various other circuit link together, and these are all it is known in the art, therefore, no longer it are entered herein
Row further describes.EBI provides interface.Transceiver 610 can be multiple element, that is, include sending
Machine and receiver, provide the unit for communicating over a transmission medium with various other devices.For different
User equipment, user interface 630 can also be and external interior can connect the interface needing equipment, the equipment of connection
Including but not limited to keypad, display, speaker, mike, stick etc..
Processor 600 is responsible for bus architecture and common process, and memorizer 620 can store processor
600 data being used in execution operation.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
Close the form of the embodiment of software and hardware aspect.And, the present invention can adopt and wherein wrap one or more
Computer-usable storage medium containing computer usable program code (including but not limited to disk memory,
CD-ROM, optical memory etc.) the upper computer program implemented form.
The present invention is to produce with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart of product and/or block diagram are describing.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or the flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embed
The processor of formula datatron or other programmable data processing device is to produce a machine so that passing through to calculate
The instruction of the computing device of machine or other programmable data processing device produces for realizing in flow chart one
The device of the function of specifying in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process and set
So that being stored in this computer-readable memory in the standby computer-readable memory working in a specific way
Instruction produce and include the manufacture of command device, the realization of this command device is in one flow process or multiple of flow chart
The function of specifying 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
Obtain and series of operation steps is executed on computer or other programmable devices to produce computer implemented place
Reason, thus the instruction of execution is provided for realizing in flow chart one on computer or other programmable devices
The step of the function of specifying 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 creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to including preferred embodiment and fall into being had altered and changing of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification 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 changes and modification.
Claims (24)
1. a kind of network termination carry out relay selection method it is characterised in that include：
After meeting the relay selection trigger condition in relay selection rule, start relay selection request and wait timing
Device；
When described relay selection request waiting timer time-out, and still meet described relay selection triggering bar
Part, selects link terminal according to described relay selection rule.
2. method according to claim 1 is it is characterised in that described meet in relay selection rule
Relay selection trigger condition after, start relay selection request waiting timer, including：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
3. method according to claim 2 it is characterised in that judge with network service interrupt according to
According to being：
T310 intervalometer is currently running.
4. method according to claim 2 is it is characterised in that startup relay selection request etc. is undetermined
When device after, the method also includes：
When judging to recover with network service, stop described relay selection and ask waiting timer, and still meeting
During described relay selection trigger condition, link terminal is selected according to described relay selection rule.
5. method according to claim 2 is it is characterised in that startup relay selection request etc. is undetermined
When device after, the method also includes：
When judging to recover with network service, stop described relay selection and ask waiting timer, still meeting institute
When stating relay selection trigger condition, report relay selection to ask, and start relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
6. the method according to claim 4 or 5 is it is characterised in that judge to recover with network service
Foundation be：
T310 intervalometer stops.
7. method according to claim 2 is it is characterised in that the method also includes：
Meet the relay selection trigger condition in relay selection rule, but do not interrupt with network service, in reporting
Continue selection request, and starts relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
8. method according to claim 7 is it is characterised in that judge uninterrupted with network service
According to being：
T310 intervalometer off-duty.
9. the method according to any one of Claims 1 to 5,7,8 is it is characterised in that start institute
Before stating relay selection request waiting timer, the method also includes：
Described relay selection is obtained by broadcast or dedicated signaling and asks waiting timer.
10. the method according to any one of claim 5,7,8 is described in it is characterised in that start
Before relay selection waiting timer, the method also includes：
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
11. a kind of network termination carry out relay selection method it is characterised in that include：
Meet the relay selection trigger condition in relay selection rule, start relay selection waiting timer；
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
12. methods according to claim 11 wait timing it is characterised in that starting relay selection
Before device, the method also includes：
Described relay selection waiting timer is obtained by broadcast or dedicated signaling.
A kind of 13. terminals are it is characterised in that include：
Relay selection asks waiting timer starting module, for meeting the relay selection in relay selection rule
After trigger condition, start relay selection request waiting timer；
Relay selection module, for asking waiting timer time-out when described relay selection, and still meets institute
State relay selection trigger condition, link terminal is selected according to described relay selection rule.
14. terminals according to claim 13 are it is characterised in that the request of described relay selection waits
Timer starting module is used for：
Meet the relay selection trigger condition in relay selection rule, and judge to interrupt with network service, start
Select request waiting timer.
15. terminals according to claim 14 are it is characterised in that judge and network service interruption
According to being：
T310 intervalometer is currently running.
16. terminals according to claim 14 are it is characterised in that described relay selection module is also used
In：After starting relay selection request waiting timer, when judging to recover with network service, stop described relaying
Select request waiting timer, and when still meeting described relay selection trigger condition, according to described relaying choosing
Select rule and select link terminal.
17. terminals according to claim 14 are it is characterised in that also include selecting request to report mould
Block, for starting after relay selection request waiting timer, when judging to recover with network service, stops described
Relay selection asks waiting timer, when still meeting described relay selection trigger condition, reports relay selection
Request, and start relay selection waiting timer；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
18. terminals according to claim 16 or 17 are it is characterised in that judge extensive with network service
Multiple foundation is：
T310 intervalometer stops.
19. terminals according to claim 14 are it is characterised in that also include selecting request to report mould
Block, for meeting the relay selection trigger condition in relay selection rule, but is not interrupted with network service, on
Report relay selection request, and start relay selection waiting timer；
Described relay selection module is additionally operable to：
If before described relay selection waiting timer time-out, received in response to the request of described relay selection
Relay selection order, according to described relay selection command selection link terminal；
If described relay selection waiting timer is overtime but it is not received by described relay selection order, according to
Described relay selection rule selects link terminal.
20. terminals according to claim 19 are it is characterised in that judge not interrupting with network service
Foundation be：
T310 intervalometer off-duty.
21. terminals according to any one of claim 13～17,19,20 are it is characterised in that go back
Ask waiting timer acquisition module including relay selection, for asking waiting timer in described relay selection
Before starting module starts described relay selection request waiting timer, institute is obtained by broadcast or dedicated signaling
State relay selection request waiting timer.
22. terminals according to any one of claim 17,19,20 are it is characterised in that also wrap
Include relay selection waiting timer acquisition module, for opening in described relay selection waiting timer starting module
Before moving described relay selection waiting timer, described relay selection is obtained by broadcast or dedicated signaling and waits
Intervalometer.
A kind of 23. terminals are it is characterised in that include：
Relay selection asks reporting module, for meeting the relay selection trigger condition in relay selection rule,
Report relay selection to ask, and start relay selection waiting timer；
Relay selection module, if for described relay selection waiting timer time-out before, receive in response to
The relay selection order of described relay selection request, according to described relay selection command selection link terminal；As
Really described relay selection waiting timer is overtime but is not received by described relay selection order, in described
The selection rule that continues selects link terminal.
24. terminals according to claim 23 are it is characterised in that also to include relay selection etc. undetermined
When device acquisition module, for described relay selection request reporting module start relay selection waiting timer it
Before, described relay selection waiting timer is obtained by broadcast or dedicated signaling.
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| CN110402598A (en) * | 2017-03-23 | 2019-11-01 | Oppo广东移动通信有限公司 | Switching method, terminal device and the network equipment |
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| KR20230021030A (en) * | 2020-06-05 | 2023-02-13 | 엘지전자 주식회사 | Operation method of UE related to relay in wireless communication system |
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| CN106470456B (en) | 2019-09-17 |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210531 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |