CN106160977B - Method for supporting scheduling request transmission - Google Patents
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- CN106160977B CN106160977B CN201510167754.0A CN201510167754A CN106160977B CN 106160977 B CN106160977 B CN 106160977B CN 201510167754 A CN201510167754 A CN 201510167754A CN 106160977 B CN106160977 B CN 106160977B
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Abstract
The present invention relates to the methods in the user equipment in the carrier aggregation system of enhancing for supporting scheduling request transmission, signaling including receiving the configuration of the dedicated scheduling request resource of instruction user equipment, wherein, user equipment supports the transmission of the scheduling request in the physical uplink control channel (PUCCH) from cell (SCell), the transmission method of the state change of first activation/deactivation from cell of configuration schedules request resource and the scheduling request that the user equipment is determined based on state change on determining physically Uplink Control Channel, dedicated scheduling request resource is configured to one of following configuration: dedicated scheduling request resource is only configured on the PUCCH of main plot (PCell), dedicated scheduling request resource is only configured at one from cell (SCell) PUCCH is upper, dedicated scheduling request resource be configured in it is multiple from the PUCCH of cell (SCell) and dedicated scheduling request resource be configured in main plot (PCell) PUCCH and one or more from the PUCCH of cell (SCell).
Description
Technical field
The present invention relates to wireless communication technology fields, more particularly, to a kind of in the carrier aggregation system of enhancing
It is used in a kind of method and base station in the carrier aggregation system of enhancing in user equipment for supporting scheduling request transmission
In the method for the scheduling request transmission of configuration user equipment.
Background technique
Reach among RAN#66 and physical uplink is being transmitted from cell SCell for the support of carrier wave syndication users equipment
The common recognition of link control channel PUCCH.UCI (ascending control information) packet transmitted on physical uplink control channel PUCCH
Include scheduling request (Scheduling Request:SR), CQI (Channel Quality Index: channel quality index) and
ACK/NACK.The problem of relevant physical layer specification of physical uplink control channel PUCCH has been discussed in RAN1, such as
CQI and ACK/NACK related content.Next L2/L3 function required for needing to discuss in RAN2 and being specified, is such as adjusted
The related problem of degree request.
Among up-line system, when there is no any for reporting the uplink resource of buffer status, triggering is adjusted
Degree request is to request the resource for reporting buffer status.If being configured with dedicated scheduling request resource D-SR, the scheduling
It is transmitted on the D-SR that request can be configured physically on Uplink Control Channel PUCCH.The specific schedule
The configuration of request resource D-SR is a kind of balance in the case where considering the service quality QoS of signalling efficiency and business.
From the perspective of network, specific schedule request is used for transmission as the growth needs of number of users are more and more
D-SR resource.Therefore it just produces and whether needs support on the physical uplink control channel PUCCH from cell SCell
The problem of configuration schedules request SR resource to share the burden of scheduling request SR transmission.For user equipment angle, this will meaning
Taste the user equipment can be configured D-SR on cell or be additional to exist like that among traditional user equipment
The case where D-SR is configured on the PCell of main plot is in main plot PCell and configures on cell SCell specific schedule request
Resource D-SR.
When data reach the corresponding uplink transmission buffer of radio bearer and the uplink for the transmission is not present
It will triggering scheduling request (SR:Scheduling Request) transmission when the resource allocation of road.Among LTE and lte-a system, base
In existing specification and 36.321, RACH and PUCCH can individually be used for transmitting and scheduling under different application scenarios
Request SR.If the user equipment is used for transmission tune without configuration PUCCH resource among any one Transmission Time Interval TTI
Degree request SR then uses random access channel RACH, and if the user equipment be configured for PUCCH resource for dispatch ask
It seeks SR and meets some requirements, then scheduling request SR will be transmitted on PUCCH, that is to say, that if configuration
PUCCH resource for scheduling request SR then not will use RACH and carry out transmitting and scheduling request SR.For sending on PUCCH
The resource of scheduling request SR distributed is dedicated and is periodic.
With the growth of the number of user equipment under a base station eNB covering, the required UCI on PUCCH
Capacity be also required to increase.UCI includes scheduling request SR, CQI and ACK/NACK.CQI and ACK/NACK are among RAN1
It is discussed among physical layer specification, and scheduling request SR should then be standardized among RAN2.But it is current for do not deposit
How to expand in the technical solution from the scheduling request transmission on cell SCell.And due in the object from cell SCell
The special characteristic of uplink control channel PUCCH is managed, such as should support activation/deactivation, this will be in always
The transmission of the scheduling request SR on the PCell of main plot under state of activation is different.Therefore, scheduling request should be redesigned
The specification of SR is to consider the spy in such as activation/deactivation of the physical uplink control channel PUCCH from cell SCell
Different characteristic.
Summary of the invention
Support is not only proposed among the present invention simultaneously in main plot PCell and from the physical uplink of cell SCell
The scheduling request transmission scheme of link control channel PUCCH, by means of the program by extension scheduling request to from cell SCell
On can increase signaling traffic load, and can final scheduling request transmission mode of the flexible configuration among user equipment from
And meet the different quality of service requirement of the different business among user equipment.The invention also provides support in physics
On uplink control channel the slave cell of configuration schedules request resource can be activated/deactivated quality event under, should be from
The transmission method of the scheduling request of user equipment when the state change of the activation/deactivation of cell.
The present invention describe when be configured physical uplink control channel PUCCH slave cell SCell activation/deactivate
User equipment when state living changes the slave cell SCell for being configured physical uplink control channel PUCCH it
On scheduling request SR transmission behavior.
Based on the understanding to background above technology, the invention proposes a kind of users in the carrier aggregation system of enhancing
Method in equipment for supporting scheduling request transmission, wherein the described method includes:
Receive the signaling for indicating the configuration of dedicated scheduling request resource of the user equipment, wherein the user equipment
It supports in the transmission from the scheduling request on the physical uplink control channel of cell (SCell) (PUCCH),
It determines physically on Uplink Control Channel the first of configuration schedules request resource from the activation of cell/deactivate
The transmission method of state change living and the scheduling request that the user equipment is determined based on the state change,
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured on the PUCCH of main plot (PCell)；
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
By means of method according to the present invention can not only make user equipment support from cell (SCell) physically
The transmission of scheduling request on Uplink Control Channel (PUCCH).And it can be based on physically Uplink Control Channel
The first of configuration schedules request resource determines the scheduling request of the user equipment from the state change of the activation/deactivation of cell
Transmission method.By means of this method, on the one hand since dedicated scheduling request resource can be being configured on cell, to make
User equipment dedicated scheduling request resource become it is more, and it is thus achieved that dedicated scheduling request resource quantity and period
Flexible adaptation, so as to meet the demand of different types of service；On the other hand, method according to the present invention can examined
Consider the transmission that scheduling request is realized in the case where the special characteristics i.e. variation of activation/deactivation state of cell, so as to
It is enough to realize the correct transmission that even also can be realized scheduling request in the case where changing from the state of cell.
Discuss the slave cell (SCell) configured with physical uplink control channel (PUCCH) resource by swashing first below
State living is changed into user equipment behavior when deactivation status.
Among one embodiment according to the present invention, if the state change will be from activation from cell for described first
State is changed into deactivation status, then determining that the user sets according to the configuring condition of dedicated scheduling request resource (D-SR)
The transmission method of standby scheduling request.
Next the slave cell (SCell) configured with physical uplink control channel (PUCCH) resource will be discussed by going
State of activation receives activation command to translate into user equipment behavior when state of activation.
Among one embodiment according to the present invention, if the state change is described first will be from deactivating from cell
State living is changed into state of activation, then the reason of being in deactivation status from cell according to described first determines the user
The transmission mode of the scheduling request of equipment.
In addition, the second aspect of the present invention also proposed in a kind of base station in the carrier aggregation system of enhancing for matching
The method for setting the scheduling request transmission of user equipment, wherein the described method includes:
- Xiang Suoshu user equipment sends the signaling for indicating the configuration of dedicated scheduling request resource of the user equipment,
In, the user equipment supports the transmission of the scheduling request in the physical uplink control channel from cell (SCell),
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured on the PUCCH of main plot (PCell)；
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
The method implemented in base station side of the invention is used in combination with the method implemented in user equipment side, thus not
User equipment support is only enabled to ask from the scheduling on the physical uplink control channel of cell (SCell) (PUCCH)
The transmission asked.And it can be based on the first swashing from cell of configuration schedules request resource on physically Uplink Control Channel
State change living/deactivated determines the transmission method of the scheduling request of the user equipment.By means of this method, on the one hand by
In dedicated scheduling request resource can be being configured on cell, so that the dedicated scheduling request resource of user equipment becomes
It is more, and it is thus achieved that the quantity of dedicated scheduling request resource and the flexible adaptation in period, different so as to meet
The demand of type of service；On the other hand, method according to the present invention can be activated/be gone considering the special characteristics from cell
The transmission of scheduling request is realized in the case where the variation of state of activation, is even occurred from the state of cell so as to realize
Also it can be realized the correct transmission of scheduling request in the case where change.
Detailed description of the invention
The following detailed description to non-limiting embodiment, other spies of the invention are read by referring to accompanying drawing
Sign, objects and advantages will become more apparent upon.
Fig. 1 show according to the present invention main plot PCell and on cell SCell configure specific schedule request money
The schematic diagram 100 in source；
Fig. 2 shows deactivating the specific schedule request money that new scheduling request resources have been reconfigured after cell
The schematic diagram 200 in source；And
Fig. 3 shows by means of time window the schematic diagram 300 for selecting suitable resource to carry out transmitting and scheduling request.
Run through different diagrams in the figure, same or similar appended drawing reference indicates the same or similar device (module)
Or step.
Specific embodiment
In the following detailed description of the preferred embodiment, reference is constituted to the appended attached drawing of present invention a part.Institute
Attached attached drawing, which has been illustrated by way of example, can be realized specific embodiment.Exemplary embodiment is not intended to
Exhaustive all embodiments according to the present invention.It is appreciated that without departing from the scope of the present invention, can use other
Embodiment can also carry out the modification of structure or logic.Therefore, it is below specific descriptions and it is unrestricted, and this
The range of invention is defined by the claims appended hereto.
Fig. 1 show according to the present invention main plot PCell and on cell SCell configure specific schedule request money
The schematic diagram 100 in source.Scheduling request resources are configured to one of following configuration: (1) dedicated scheduling request resource is only matched
It sets on the PUCCH of main plot (PCell)；(2) dedicated scheduling request resource is only configured at one from cell (SCell)
On PUCCH；(3) dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And (4) are dedicated
The PUCCH and one or more that scheduling request resources are configured in main plot (PCell) are on the PUCCH of cell (SCell).
From figure 1 it appears that specific schedule resource D-SR is configured in the object of main plot PCell in the case where shown by the figure
It manages on uplink control channel PUCCH, period T, in addition, specific schedule resource D-SR is also configured in from cell
On the physical uplink control channel PUCCH of SCell, the period is also T, and the offset phase of its offset and main plot
Poor half period, at this point, as shown in Figure 1, for corresponding user equipment, the week of dedicated scheduling request resource D-SR
Phase is then since the specific schedule request for having the dedicated scheduling request resource on main plot simultaneously and being configured on cell provides
Source and become T/2.It will be understood by those of skill in the art that being merely illustrative one in the 4th kind of configuration in this Fig. 1
A situation from cell, other configurations are of course also possible that, such as multiple can be improved use from modes such as cells by configuring
The quantity for the dedicated scheduling request resource that family equipment is able to use and the period for accordingly decreasing dedicated scheduling request resource,
So as to meet different business demands.
Among the communication system of existing carrier wave polymerization, once it is configured with dedicated scheduling request resources (such as physics
Uplink control channel resource), then signalling efficiency is a critical problem.It is then needed for different types of service
Different dedicated scheduling request resource configuration, due to the characteristic of its low data bulk so if specially for Batch Processing type
The utilization rate of so dedicated scheduling request resource is lower if being remained with scheduling request resources.And for some other
Then the period of possible scheduling request resources is the smaller the better for type of service.Since scheduling request is based on user, so matching
The type of service of all supports must be considered simultaneously and determine a dedicated scheduling request resource by setting dedicated scheduling request resource
Period, this is necessarily considering a kind of balance under all application types.But if on cell SCell
Support the transmission of scheduling request, then situation is entirely different, such as main plot PCell and from the dedicated tune on cell SCell
Degree request resource can have the different periods and can be alternately arranged relatively, therefore can generate more scheduling
Request resource and they can work together with formed there is the different periods so as to meet different business need it is dedicated
Scheduling request resources pattern (mode).Based on above analysis, two are requested with the specific schedule that the biggish period is, for example, T
Resource can be worked together to form expiring for the demand of the dedicated scheduling request resource for the lower period (for example, T/2)
Foot.If releasing the business with more urgent delay requirement, can equally discharge from the dedicated tune on cell
Dedicated scheduling request resource degree request resource and be only remained on the PCell of main plot, such operation are relatively simple simultaneously
And the dedicated scheduling request resource of other users is configured and generates minor impact.
In addition, for the solution, if there is no the physical uplink link control being configured with for scheduling request
It can be among any Transmission Time Interval TTI using including main plot PCell and from cell in the case where channel PUCCH processed
The random access channel of all cells of SCell carrys out transmitting and scheduling request.If the user equipment is configured for multiple cells
The dedicated scheduling request resource of physical uplink control channel PUCCH, then the scheduling request will be touched in the scheduling request
It is transmitted on first physical uplink control channel PUCCH after hair.
It, can for for multiple (or additionally there is a main plot PCell) from cell SCell the case where
It independently is different and configures different parameters from cell, for example, can be matched from cell 1SCell1 and from cell 2SCell2
It sets with the different periods and can alternate.It is capable of forming with such configuration different special with the different periods
With scheduling request resources pattern (mode), so as to meet the demand of different business.If from cell 1SCell1 and from
The period of dedicated scheduling request resource on cell 2SCell2 is T and from the specific schedule on cell 2SCell2
Resource is requested to be at the intermediate point (i.e. T/2) of cell 1SCell1, then the period of final dedicated scheduling request resource becomes
For T/2.
The slave cell for describing to be configured for physical uplink control channel PUCCH referring to Fig. 2 and Fig. 3 is deactivated
Scheduling request transmission process when living.
If the configuring condition of the dedicated scheduling request resource (D-SR) is that the dedicated scheduling request resource is only matched
It sets at one first on the PUCCH of cell (SCell), then the user equipment:
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request；Or
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request until the user equipment receives the new physical uplink link about scheduling request
The transmission for implementing the scheduling request when reconfiguring using the new physical uplink control channel of control channel；Or
Person
Fall into abeyance described first from the deactivation of cell (SCell) up to the user equipment is received about scheduling
The new physical uplink control channel of request just implements the described first deactivation from cell (SCell) when reconfiguring；
Or
Implement the described first deactivating and using the quilt being pre-configured by the base station communicated from cell (SCell)
Physical uplink of the second of the physical uplink control channel of configuration schedules request resource from cell (SCell) or main plot
Link control channel implements the transmission of the scheduling request.
If scheduling request is configured in main plot and on the physical uplink control channel of cell, work as tool
When having the slave cell of scheduling request to be deactivated, Fig. 2 shows reconfigured new scheduling after cell in deactivation to ask
The schematic diagram 200 of the dedicated scheduling request resource of resource is sought, from figure 2 it can be seen that user equipment can select main plot
Physical uplink control channel PUCCH carrys out transmitting and scheduling request until new configuration is to indicate the new physical uplink from cell
Link control channel PUCCH is configured for the transmission of scheduling request or the physical uplink link control for original main plot
The modification of channel PUCCH processed only carrys out transmitting and scheduling using only the physical uplink control channel PUCCH of main plot before this
Request；And receive reconfigure after then in conjunction with original main plot physical uplink control channel PUCCH and
The scheduling request transmission resource newly configured carrys out transmitting and scheduling request.
From figure 2 it can be seen that after being deactivated from cell SCell, with the request of specific schedule shown by dotted line
Resource cannot be used by the user, determines that the resource can be retained or be discharged by the user by base station, at this time if touching
Scheduling request has been sent out, then has needed to be transmitted on the dedicated scheduling request resource D-SR for the main plot only deposited, and has worked as and reconfigures
After the dedicated scheduling request resource of cell 2SCell2, user equipment again can be from the physical uplink link by main plot
Control channel PUCCH and suitable specific schedule is selected among the physical uplink control channel PUCCH of cell 2SCell2
Resource is requested to implement the transmission of scheduling request.
As illustrated in Figure 2, when user equipment is received about deactivation command from cell, it is impossible to
It is requested using the physical uplink control channel PUCCH transmitting and scheduling from cell.At this time if triggering scheduling request,
The scheduling request will be transmitted on the physical uplink control channel PUCCH of nearest main plot, until new scheduling is asked
Configuration is asked to be configured in new on cell SCell, such as slave cell 2SCell2 shown in the figure, then, scheduling
Request then can be transmitted additionally on new resource.
Fig. 3 shows by means of time window the schematic diagram 300 for selecting suitable resource to carry out transmitting and scheduling request.From Fig. 3
As can be seen that the embodiment will select suitable resource by means of time window.It can be seen from the figure that working as from cell SCell
After being deactivated, originally configuring cannot be used by the user from the dedicated scheduling request resource on cell at this, this
When trigger scheduling request, then a time window 1 is for example set, is had on the PCell of main plot among the time window 1 just
Dedicated scheduling request resource, so the scheduling request will be able on the dedicated scheduling request resource among the time window 1
Transmission；Thereafter another example is shown, as shown in time window 2, since there is no any physical uplink among the time window 2
Link control channel resource, so user equipment will select the triggering initial time from scheduling request closer physically at this time
Uplink Control Channel PUCCH resource or random access channel RACH resource implement the transmission of the scheduling request.
Other than the sample situation of the shown embodiment of above three figures, method according to the present invention further includes user
Different user equipment behaviors of the equipment in different configurations and different state changes.Generally, of the invention
Propose a kind of method in the user equipment in the carrier aggregation system of enhancing for supporting scheduling request transmission, wherein
The described method includes:
Receive the signaling for indicating the configuration of dedicated scheduling request resource of the user equipment, wherein the user equipment
It supports in the transmission from the scheduling request on the physical uplink control channel of cell (SCell) (PUCCH),
It determines physically on Uplink Control Channel the first of configuration schedules request resource from the activation of cell/deactivate
The transmission method of state change living and the scheduling request that the user equipment is determined based on the state change,
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured on the PUCCH of main plot (PCell)；
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
By means of method according to the present invention can not only make user equipment support from cell (SCell) physically
The transmission of scheduling request on Uplink Control Channel (PUCCH).And it can be based on physically Uplink Control Channel
The first of configuration schedules request resource determines the scheduling request of the user equipment from the state change of the activation/deactivation of cell
Transmission method.By means of this method, on the one hand since dedicated scheduling request resource can be being configured on cell, to make
User equipment dedicated scheduling request resource become it is more, and it is thus achieved that dedicated scheduling request resource quantity and period
Flexible adaptation, so as to meet the demand of different types of service；On the other hand, method according to the present invention can examined
Consider the transmission that scheduling request is realized in the case where the special characteristics i.e. variation of activation/deactivation state of cell, so as to
It is enough to realize the correct transmission that even also can be realized scheduling request in the case where changing from the state of cell.
Discuss the slave cell (SCell) configured with physical uplink control channel (PUCCH) resource by swashing first below
State living is changed into user equipment behavior when deactivation status.
Among one embodiment according to the present invention, if the state change will be from activation from cell for described first
State is changed into deactivation status, then determining that the user sets according to the configuring condition of dedicated scheduling request resource (D-SR)
The transmission method of standby scheduling request.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is only configured at one first on the PUCCH of cell (SCell) for the dedicated scheduling request resource, then the user
Equipment:
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request；Or
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request until the user equipment receives the new physical uplink link about scheduling request
The transmission for implementing the scheduling request when reconfiguring using the new physical uplink control channel of control channel；Or
Person
Fall into abeyance described first from the deactivation of cell (SCell) up to the user equipment is received about scheduling
The new physical uplink control channel of request just implements the described first deactivation from cell (SCell) when reconfiguring；
Or
Implement the described first deactivating and using the quilt being pre-configured by the base station communicated from cell (SCell)
Physical uplink of the second of the physical uplink control channel of configuration schedules request resource from cell (SCell) or main plot
Link control channel implements the transmission of the scheduling request.
Generally, by means of method according to the present invention when unique first will deactivate from cell, Yong Hushe
It is standby to be able to use the random access channel of main plot to implement the transmission of scheduling request, user equipment do not receive base station for
In the case where the reconfiguration resource of scheduling request, user equipment just can implement scheduling request by means of random access channel always
Transmission；And in the case that user equipment receives base station for the reconfiguration resource of scheduling request, user equipment just can be in conjunction with new
Physical uplink control channel implement the transmission of scheduling request, here, those skilled in the art is it is to be appreciated that herein
Term " in conjunction with " has two layers of meaning, and one is replaced when the configuration of original resource changes using new configuration original
Configuration, secondly when be configured with additional new resource rather than to the modification of original resource in the case where additionally using newly added
Resource implements the transmission of scheduling request.In addition, user equipment can also determine temporarily do not deactivate this first from cell but
Waiting, which has, just deactivates this first from cell when new configuration；Furthermore user equipment also can be according to the base communicated
The second of the physical uplink control channel for being configured scheduling request resources being pre-configured of standing is from cell (SCell) or leads
The physical uplink control channel of cell implements the transmission of the scheduling request.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
PUCCH and one first in a main plot (PCell) is only configured from cell for the dedicated scheduling request resource
(SCell) on PUCCH, then:
The user equipment implements the described first deactivation and use main plot from cell (SCell) physically
Uplink Control Channel implements the transmission of the scheduling request；Or
The user equipment implements the described first deactivation and use main plot from cell (SCell) physically
Uplink Control Channel implements the transmission of the scheduling request until implementing when receiving new configuration in conjunction with new configuration
The transmission of the scheduling request.
In such processes, user equipment will use the PUCCH resource of main plot when uniquely deactivating from cell
Implement the transmission of scheduling request.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is only configured in a main plot (PCell) and one first on cell (SCell) for the dedicated scheduling request resource,
So:
The user equipment implements the described first deactivation and use main plot from cell (SCell) physically
The random access channel of Uplink Control Channel and the main plot implements the transmission of the scheduling request；Or
The user equipment implements the described first deactivation and use main plot from cell (SCell) physically
The random access channel of Uplink Control Channel and the main plot is new up to receiving come the transmission for implementing the scheduling request
Configuration when implement the transmission of the scheduling request in conjunction with new configuration.
In such processes, user equipment uniquely from cell deactivate when will use the PUCCH resource of main plot with
And the RACH resource of main plot implements the transmission of scheduling request.PUCCH resource or RACH money are selected on earth at this point, just existing
The problem of source, the invention proposes a kind of optimization methods, among one embodiment according to the present invention, when scheduling request is touched
Start first time window when hair among the user equipment, and:
There are the physical uplink link controls of the configuration schedules of main plot request resource among the first time window
The user equipment implements the transmission of scheduling request using the physical uplink control channel of the main plot when channel processed；
Or
There is no the physical uplink links of the configuration schedules of main plot request resource among the first time window
The user equipment uses the physical uplink control channel of main plot and the random access of the main plot when control channel
Implement the transmission of the scheduling request for one closer from the scheduling request triggering moment in channel.
Among one embodiment according to the present invention, the new configuration includes:
The specific schedule request D-SR resource of the physical uplink control channel of the new slave cell of configuration carrys out transmitting and scheduling
Request；Or
Repairing for D-SR resource distribution is requested for the specific schedule of the physical uplink control channel of the main plot
Change.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is configured multiple first on the PUCCH of cell (SCell) for the dedicated scheduling request resource, then:
When the multiple first will not deactivated all from cell (SCell), the user equipment is implemented described more
A first among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) what remaining among was not deactivated first implements from the physical uplink control channel of cell (SCell)
The transmission of the scheduling request；Or
When the multiple first will not deactivated all from cell (SCell), the user equipment is implemented described more
A first among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) what remaining among was not deactivated first implements from the physical uplink control channel of cell (SCell)
The transmission of the scheduling request in conjunction with new configuration until implement the transmission of the scheduling request when receiving new configuration.
Those skilled in the art is it is to be appreciated that have two layers of meaning in this term " in conjunction with ", one is in original resource
Configuration replaces original configuration using new configuration when changing, secondly when being configured with additional new resource rather than to original
Additionally implement the transmission of scheduling request in the case where having the modification of resource using newly added resource.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is configured multiple first on the PUCCH of cell (SCell) for the dedicated scheduling request resource, then:
When the multiple first will not deactivated all from cell (SCell), the user equipment is implemented described more
A first among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining first physical uplink control channel and master from cell (SCell) not being deactivated among
Cell and/or first not be deactivated implement the scheduling request from the random access channel of cell (SCell)
Transmission；Or
When the multiple first will not deactivated all from cell (SCell), the user equipment is implemented described more
A first among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining first physical uplink control channel and master from cell (SCell) not being deactivated among
Cell and/or first not be deactivated implement the scheduling request from the random access channel of cell (SCell)
Transmission in conjunction with new configuration until implement the transmission of the scheduling request when receiving new configuration.
Those skilled in the art is it is to be appreciated that have two layers of meaning in this term " in conjunction with ", one is in original resource
Configuration replaces original configuration using new configuration when changing, secondly when being configured with additional new resource rather than to original
Additionally implement the transmission of scheduling request in the case where having the modification of resource using newly added resource.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
The multiple first PUCCH from PUCCH and main plot of cell (SCell) are configured in for the dedicated scheduling request resource
On and the multiple first when will not deactivated all from cell (SCell), the user equipment is implemented the multiple
First among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining among be not deactivated first from the physical uplink link control of cell (SCell) and the main plot
Channel processed and the main plot and/or first not be deactivated come real from the random access channel of cell (SCell)
Apply the transmission of the scheduling request；Or
The user equipment is implemented the multiple first and first is gone from cell (SCell) among cell (SCell)
Activate and using the multiple first remaining among cell (SCell) be not deactivated first from cell
(SCell) it and the physical uplink control channel of the main plot and the main plot and/or described is not deactivated
First implement from the random access channel of cell (SCell) scheduling request transmission when receiving new configuration knot
New configuration is closed to implement the transmission of the scheduling request.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
The multiple first PUCCH from PUCCH and main plot of cell (SCell) are configured in for the dedicated scheduling request resource
On and the multiple first when will not deactivated all from cell (SCell), the user equipment is implemented the multiple
First among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining among be not deactivated first from the physical uplink link control of cell (SCell) and the main plot
Channel processed come implement the scheduling request transmission or the user equipment implement the multiple first from cell (SCell) it
In first from the deactivation of cell (SCell) and using the multiple first remaining among cell (SCell) not
First be deactivated is asked from the physical uplink control channel of cell (SCell) and the main plot to implement the scheduling
The transmission asked in conjunction with new configuration until implement the transmission of the scheduling request when receiving new configuration.
Among one embodiment according to the present invention, start the second time window when triggering scheduling request transmission,
Among second time window there are when physical uplink control channel using following the scheduling request closely
First physical uplink control channel later implements the transmission of the scheduling request；Or
When physical uplink control channel being not present among second time window, the user equipment uses object
It manages closer from the scheduling request triggering moment in uplink control channel and the random access control channel of the main plot
One implement the transmission of the scheduling request.
Among one embodiment according to the present invention, the new configuration includes:
The specific schedule request D-SR resource of the physical uplink control channel of the new slave cell of configuration carrys out transmitting and scheduling
Request；Or
For the specific schedule of the physical uplink control channel of the main plot or the slave cell not being deactivated
Request the modification of D-SR resource distribution.
Among one embodiment according to the present invention, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is configured multiple first on the PUCCH of cell (SCell) for the dedicated scheduling request resource, then when the multiple
One user equipment when will all be deactivated from cell (SCell):
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request；Or
Implement the described first deactivating and using the random access channel (RACH) of main plot from cell (SCell)
To implement the transmission of the scheduling request until the user equipment receives the new physical uplink link about scheduling request
The transmission for implementing the scheduling request when reconfiguring using the new physical uplink control channel of control channel；Or
Person
Fall into abeyance described first from the deactivation of cell (SCell) up to the user equipment is received about scheduling
The new physical uplink control channel of request just implements the described first deactivation from cell (SCell) when reconfiguring.
Next the slave cell (SCell) configured with physical uplink control channel (PUCCH) resource will be discussed by going
State of activation is changed into user equipment behavior when state of activation.
Among one embodiment according to the present invention, if the state change is described first will be from deactivating from cell
State living is changed into state of activation, then the reason of being in deactivation status from cell according to described first determines the user
The transmission mode of the scheduling request of equipment.
Among one embodiment according to the present invention, if described first from cell be initialization when it is deactivated, that
The user equipment uses configured scheduling request directly to implement the transmission of scheduling request.
Among one embodiment according to the present invention, if described first is deactivated and described again from cell
User equipment is receiving the reconfiguration not received in the third time window after deactivation command about scheduling request transmission,
Then:
It is provided described first from the scheduling request remained when deactivating cell last time in physical uplink control channel
Source, then the user equipment is directly used in the scheduling request resources that described first is configured on cell to implement to dispatch
The transmission of request；Or
It is provided described first from the scheduling request released when deactivating cell last time in physical uplink control channel
Source then receives the reconfiguration about scheduling request transmission in activation and combines the tune of the physical uplink control channel of reconfiguration
Degree requests resource to implement the transmission of scheduling request.
Among one embodiment according to the present invention, if described first is deactivated and described again from cell
User equipment is receiving the reconfiguration received in the third time window after deactivation command about scheduling request transmission, then:
It is provided described first from the scheduling request remained when deactivating cell last time in physical uplink control channel
Source, then the user equipment is directly used in the scheduling request resources that described first is configured on cell to implement to dispatch
The transmission of request；Or
It is provided described first from the scheduling request released when deactivating cell last time in physical uplink control channel
Source then receives the reconfiguration about scheduling request transmission in activation and combines in the physical uplink control channel being reconfigured
Scheduling request resources implement the transmission of scheduling request.
In addition, the second aspect of the present invention also proposed in a kind of base station in the carrier aggregation system of enhancing for matching
The method for setting the scheduling request transmission of user equipment, wherein the described method includes:
- Xiang Suoshu user equipment sends the signaling for indicating the configuration of dedicated scheduling request resource of the user equipment,
In, the user equipment supports the transmission of the scheduling request in the physical uplink control channel from cell (SCell),
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured on the PUCCH of main plot (PCell)；
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
The method implemented in base station side of the invention is used in combination with the method implemented in user equipment side, thus not
User equipment support is only enabled to ask from the scheduling on the physical uplink control channel of cell (SCell) (PUCCH)
The transmission asked.And it can be based on the first swashing from cell of configuration schedules request resource on physically Uplink Control Channel
State change living/deactivated determines the transmission method of the scheduling request of the user equipment.By means of this method, on the one hand by
In dedicated scheduling request resource can be being configured on cell, so that the dedicated scheduling request resource of user equipment becomes
It is more, and it is thus achieved that the quantity of dedicated scheduling request resource and the flexible adaptation in period, different so as to meet
The demand of type of service；On the other hand, method according to the present invention can be activated/be gone considering the special characteristics from cell
The transmission of scheduling request is realized in the case where the variation of state of activation, is even occurred from the state of cell so as to realize
Also it can be realized the correct transmission of scheduling request in the case where change.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
How from the point of view of, the present embodiments are to be considered as illustrative and not restrictive.In addition, it will be evident that one word of " comprising " not
Exclude other elements and steps, and wording "one" be not excluded for plural number.The multiple element stated in device claim can also
To be implemented by one element.The first, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (19)
1. a kind of method in user equipment in the carrier aggregation system of enhancing for supporting scheduling request transmission, wherein
The described method includes:
The signaling for the configuration of dedicated scheduling request resource for indicating the user equipment is received to extend scheduling request to from cell
(SCell), wherein the user equipment support is asked from the scheduling on the physical uplink control channel of cell (PUCCH)
The transmission asked,
It determines physically on Uplink Control Channel the first of configuration schedules request resource from the activation/deactivation of cell
State change and determined based on the state change user equipment scheduling request transmission method,
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
2. according to the method described in claim 1, wherein, if the state change is described first will be from activation shape from cell
State is changed into deactivation status, then determining the user equipment according to the configuring condition of dedicated scheduling request resource (D-SR)
Scheduling request transmission method.
3. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR) is
The dedicated scheduling request resource is only configured at one first on the PUCCH of cell (SCell), then the user sets
It is standby:
Implement the described first deactivating and using the random access channel of main plot (RACH) reality from cell (SCell)
Apply the transmission of the scheduling request；Or
Implement the described first deactivating and using the random access channel of main plot (RACH) reality from cell (SCell)
The transmission of the scheduling request is applied until the user equipment receives the new physical uplink link control about scheduling request
The transmission for implementing the scheduling request when reconfiguring using the new physical uplink control channel of channel；Or
Fall into abeyance described first from the deactivation of cell (SCell) up to the user equipment is received about scheduling request
New physical uplink control channel just implement the described first deactivation from cell (SCell) when reconfiguring；Or
Implement described first from the deactivation of cell (SCell) and being configured using the base station pre-configuration by communicating
Physical uplink link of the second of the physical uplink control channel of scheduling request resources from cell (SCell) or main plot
Control channel implements the transmission of the scheduling request.
4. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR) is
The dedicated scheduling request resource is only configured PUCCH and one first in a main plot (PCell) from cell (SCell)
PUCCH on, then:
The user equipment implements the described first deactivating and using the physical uplink chain of main plot from cell (SCell)
Road control channel implements the transmission of the scheduling request；Or
The user equipment implements the described first deactivating and using the physical uplink chain of main plot from cell (SCell)
Road control channel is come described in implementing the transmission of the scheduling request until implementing when receiving new configuration in conjunction with new configuration
The transmission of scheduling request.
5. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR) is
The dedicated scheduling request resource is only configured in a main plot (PCell) and one first on cell (SCell), that
:
The user equipment implements the described first deactivating and using the physical uplink chain of main plot from cell (SCell)
Road control channel and the random access channel of the main plot implement the transmission of the scheduling request；Or
The user equipment implements the described first deactivating and using the physical uplink chain of main plot from cell (SCell)
Road control channel and the random access channel of the main plot implement the transmission of the scheduling request until receiving new match
Implement the transmission of the scheduling request when setting in conjunction with new configuration.
6. according to the method described in claim 5, wherein, starting among the user equipment when scheduling request is triggered
One time window, and:
There are the physical uplink links of the configuration schedules of main plot request resource to control letter among the first time window
The user equipment implements the transmission of scheduling request using the physical uplink control channel of the main plot when road；Or
There is no the physical uplink link controls of the configuration schedules of main plot request resource among the first time window
The user equipment uses the physical uplink control channel of main plot and the random access channel of the main plot when channel
In one closer from the scheduling request triggering moment implement the transmission of the scheduling request.
7. the method according to any one of claim 4 to 6, wherein the new configuration includes:
The specific schedule request D-SR resource of the physical uplink control channel of the new slave cell of configuration, which carrys out transmitting and scheduling, asks
It asks；Or
For the modification of the specific schedule request D-SR resource distribution of the physical uplink control channel of the main plot.
8. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR) is
The dedicated scheduling request resource is configured multiple first on the PUCCH of cell (SCell), then:
When the multiple first will not deactivated all from cell (SCell), the user equipment implements the multiple the
One among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) what remaining among was not deactivated first implements from the physical uplink control channel of cell (SCell)
The transmission of the scheduling request；Or
When the multiple first will not deactivated all from cell (SCell), the user equipment implements the multiple the
One among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) what remaining among was not deactivated first implements from the physical uplink control channel of cell (SCell)
The transmission of the scheduling request in conjunction with new configuration until implement the transmission of the scheduling request when receiving new configuration.
9. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR) is
The dedicated scheduling request resource is configured multiple first on the PUCCH of cell (SCell), then:
When the multiple first will not deactivated all from cell (SCell), the user equipment implements the multiple the
One among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining first physical uplink control channel and master from cell (SCell) not being deactivated among
Cell and/or first not be deactivated implement the scheduling request from the random access channel of cell (SCell)
Transmission；Or
When the multiple first will not deactivated all from cell (SCell), the user equipment implements the multiple the
One among cell (SCell) first from the deactivation of cell (SCell) and using the multiple first from cell
(SCell) remaining first physical uplink control channel and master from cell (SCell) not being deactivated among
Cell and/or first not be deactivated implement the scheduling request from the random access channel of cell (SCell)
Transmission in conjunction with new configuration until implement the transmission of the scheduling request when receiving new configuration.
10. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR)
The multiple first PUCCH from PUCCH and main plot of cell (SCell) are configured in for the dedicated scheduling request resource
On and the multiple first when will not deactivated all from cell (SCell),
The user equipment implement the multiple first among cell (SCell) first from the deactivation of cell (SCell)
And using the multiple first remaining among cell (SCell) be not deactivated first from cell (SCell) and
The physical uplink control channel of the main plot and the main plot and/or first not be deactivated are from cell
(SCell) random access channel implements the transmission of the scheduling request；Or
The user equipment implement the multiple first among cell (SCell) first from the deactivation of cell (SCell)
And using the multiple first remaining among cell (SCell) be not deactivated first from cell (SCell) and
The physical uplink control channel of the main plot and the main plot and/or first not be deactivated are from cell
(SCell) random access channel implements the transmission of the scheduling request until in conjunction with new configuration when receiving new configuration
To implement the transmission of the scheduling request.
11. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR)
The multiple first PUCCH from PUCCH and main plot of cell (SCell) are configured in for the dedicated scheduling request resource
On and the multiple first when will not deactivated all from cell (SCell),
The user equipment implement the multiple first among cell (SCell) first from the deactivation of cell (SCell)
And using the multiple first remaining among cell (SCell) be not deactivated first from cell (SCell) and
The physical uplink control channel of the main plot implements the transmission of the scheduling request；Or
The user equipment implement the multiple first among cell (SCell) first from the deactivation of cell (SCell)
And using the multiple first remaining among cell (SCell) be not deactivated first from cell (SCell) and
The physical uplink control channel of the main plot implements the transmission of the scheduling request until when receiving new configuration
Implement the transmission of the scheduling request in conjunction with new configuration.
12. method according to claim 9 or 10, wherein start the second time window when triggering scheduling request transmission,
Among second time window there are when physical uplink control channel using after following the scheduling request closely
First physical uplink control channel implement the transmission of the scheduling request；Or
When physical uplink control channel being not present among second time window, the user equipment is using physically
From the scheduling request triggering moment closer one in Uplink Control Channel and the random access control channel of the main plot
A transmission to implement the scheduling request.
13. the method according to any one of claim 8 to 11, wherein the new configuration includes:
The specific schedule request D-SR resource of the physical uplink control channel of the new slave cell of configuration, which carrys out transmitting and scheduling, asks
It asks；Or
Specific schedule request for the physical uplink control channel of the main plot or the slave cell not being deactivated
The modification of D-SR resource distribution.
14. according to the method described in claim 2, wherein, if the configuring condition of the dedicated scheduling request resource (D-SR)
It is configured multiple first on the PUCCH of cell (SCell) for the dedicated scheduling request resource, then when the multiple
One user equipment when will all be deactivated from cell (SCell):
Implement the described first deactivating and using the random access channel of main plot (RACH) reality from cell (SCell)
Apply the transmission of the scheduling request；Or
Implement the described first deactivating and using the random access channel of main plot (RACH) reality from cell (SCell)
The transmission of the scheduling request is applied until the user equipment receives the new physical uplink link control about scheduling request
The transmission for implementing the scheduling request when reconfiguring using the new physical uplink control channel of channel；Or
Fall into abeyance described first from the deactivation of cell (SCell) up to the user equipment is received about scheduling request
New physical uplink control channel just implement the described first deactivation from cell (SCell) when reconfiguring.
15. according to the method described in claim 1, wherein, if the state change is described first will be from deactivating from cell
State living is changed into state of activation, then the reason of being in deactivation status from cell according to described first determines the user
The transmission mode of the scheduling request of equipment.
16. according to the method for claim 14, wherein if described first from cell be initialization when it is deactivated, that
The user equipment uses configured scheduling request directly to implement the transmission of scheduling request.
17. according to the method for claim 14, wherein if described first is deactivated and described again from cell
User equipment is receiving the reconfiguration not received in the third time window after deactivation command about scheduling request transmission,
Then:
Described first from remaining scheduling request resources in physical uplink control channel when deactivating cell last time,
The so described user equipment is directly used in the scheduling request resources that described first is configured on cell to implement scheduling and ask
The transmission asked；Or
Described first from releasing scheduling request resources in physical uplink control channel then when deactivating cell last time
The reconfiguration about scheduling request transmission is received in activation and the scheduling of the physical uplink control channel of reconfiguration is combined to ask
Resource is sought to implement the transmission of scheduling request.
18. according to the method for claim 14, wherein if described first is deactivated and described again from cell
User equipment is receiving the reconfiguration received in the third time window after deactivation command about scheduling request transmission, then:
Described first from remaining scheduling request resources in physical uplink control channel when deactivating cell last time,
The so described user equipment is directly used in the scheduling request resources that described first is configured on cell to implement scheduling and ask
The transmission asked；Or
Described first from releasing scheduling request resources in physical uplink control channel then when deactivating cell last time
The reconfiguration about scheduling request transmission is received in activation and combines the scheduling in the physical uplink control channel being reconfigured
Resource is requested to implement the transmission of scheduling request.
19. for configuring the side of the scheduling request transmission of user equipment in a kind of base station in the carrier aggregation system of enhancing
Method, wherein the described method includes:
- Xiang Suoshu user equipment, which is sent, indicates that the signaling of the configuration of dedicated scheduling request resource of the user equipment is adjusted to extend
Degree request is arrived from cell (SCell), wherein the user equipment is supported in the physical uplink control channel from cell
The transmission of scheduling request,
Wherein, the dedicated scheduling request resource be configured to it is following configuration one of:
The dedicated scheduling request resource is only configured at one on the PUCCH of cell (SCell)；
The dedicated scheduling request resource is configured in multiple on the PUCCH of cell (SCell)；And
The dedicated scheduling request resource is configured in the PUCCH of main plot (PCell) and one or more from cell
(SCell) on PUCCH.
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| US10897777B2 (en) | 2017-11-15 | 2021-01-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for uplink transmission |
| CN110012538B (en) * | 2018-01-04 | 2021-11-05 | 维沃移动通信有限公司 | Management method and terminal for scheduling-free resources |
| PL3780834T3 (en) | 2018-04-04 | 2023-10-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Scheduling request transmission method and scheduling request transmission apparatus |
| CN110891321B (en) * | 2018-09-11 | 2022-06-21 | 展讯通信（上海）有限公司 | SR transmission method and device, storage medium and terminal |
| KR20210097801A (en) * | 2019-01-10 | 2021-08-09 | 애플 인크. | Low Latency Uplink Scheduling Requests |
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| CN102083097B (en) * | 2010-04-30 | 2013-11-06 | 电信科学技术研究院 | Measurement configuration method and device for multi-carrier system |
| CN102238747A (en) * | 2010-04-30 | 2011-11-09 | 夏普株式会社 | Uplink physical control information transmitting method, base station and UE (user equipment) |
| CN102170337B (en) * | 2011-03-31 | 2014-04-16 | 电信科学技术研究院 | Data processing method and device |
| CN102164414B (en) * | 2011-04-11 | 2014-01-08 | 新邮通信设备有限公司 | Transmission method and device for uplink control information in carrier aggregation system |
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