CN102014505A - Method, equipment and system for resource allocation of upstream control channel - Google Patents
Method, equipment and system for resource allocation of upstream control channel Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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Abstract
The invention discloses a method, equipment and a system for resource allocation of an upstream control channel, wherein the method comprises the following steps: a base station determines whether resources of the upstream control channel corresponding to a feedback physical downstream control channel (PDCCH) exist on an upstream carrier carrying out ACK/NACK (Acknowledgement/Negative Acknowledgement) feedback, and sets identifications of usable resources in the PDCCH according to judging results; and a user terminal detects the PDCCH of a downstream carrier, and uses the corresponding resources to carry out ACK/NACK feedback according to the usable resources in the PDCCH. The invention can solve the problem of resource waste caused by the expense of an upstream feedback channel.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of method, equipment and system of uplink control channel resource configuration.
Background technology
Long evolving system adopts HARQ (Hybrid Automatic Repeat Request; Mix automatic repeat requests) improve reliability of data transmission, after descending HARQ function was opened, user terminal was deciphered the downlink data packet that receives, if decoding is correctly then to base station feedback ACK, if decoding failure then to base station feedback NACK, requires the base station to retransmit this packet.After descending continuous dispatching service ending, the base station sends SPS (Semi-persistent Scheduling semi-continuous scheduling) resource to user terminal and discharges indication, informing user terminal discharges all resources of distributing to this business, and user terminal will be to base station feedback ACK after correctly receiving this indication.
For long-term evolution multi-carrier system, be to support the system bandwidth wideer than LTE system, such as 100MHz, concrete implementation comprises: A, directly distribute the frequency spectrum (as shown in Figure 1) of 100M bandwidth; B, will distribute to some spectrum aggregatings of existing system, gather into big bandwidth and offer the long-term evolution multi-carrier system use, the up-downgoing carrier wave can asymmetricly dispose in the system at this moment, be that the user may take the individual carrier wave of N (N＞=1) and carries out downlink transfer, the individual carrier wave of M (M＞=1) carries out uplink (as shown in Figure 2).
The basic transmission plan of the LTE system (Rel-8) that present standardization effort has been finished substantially is as follows: FDD system and TDD are respectively shown in Fig. 3 and 4.For each work carrier wave, defined downlink signaling, downlink data, up signaling and upstream data respectively, and transmission relation each other.The two ends of upstream control signaling band occupancy use the frequency hopping mode to transmit, and promptly in two time slots in a subframe, upstream control signaling will take different band transmissions.Owing to can't dynamically know the quantity that needs the control channel that carries in the sub-frame of uplink, system will reserve certain resource and be used for the ascending control channel transmission in sub-frame of uplink.
For the ACK/NACK feedback transmission of non-continuous dispatching, carry out CCE (the Control Channel Element) numbering (n that feedback user terminal will be shared according to its Physical Downlink Control Channel that receives (PDCCH)
CCE), calculate it and carry out ACK/NACK and feed back employed resource (being channel) numbering (n
AN), promptly each PDCCH all corresponding an available uplink control channel resource.
In long-term evolution multi-carrier system, when using carrier aggregation, if all reserve corresponding feedback resources in each up-link carrier for each descending carrier, then will there be the serious wasting of resources in the up-link carrier, even can cause and do not have uplink resources available to carry out transfer of data, this will have a strong impact on the efficiency of transmission of system.
Summary of the invention
The embodiment of the invention provides a kind of method, equipment and system of uplink control channel resource configuration, be used for solving at long-term evolution multi-carrier system, when using carrier aggregation, if all reserve corresponding feedback resources in each up-link carrier, thereby cause to exist in the up-link carrier problem of the serious wasting of resources for each descending carrier.
A kind of method of uplink control channel resource configuration comprises:
The set of base station assigns uplink control channel resource, comprise the available channel resource numbering of a plurality of ACK/NACK feedbacks in this resource collection, judgement is on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that whether has physical downlink control channel PDCCH correspondence on the descending carrier to be feedback, and the sign that can use resource is set in PDCCH according to result of determination;
User terminal reads the configuration signal that the base station issues, and detects the PDCCH of descending carrier to be feedback, according to the sign of the resource used among the PDCCH, determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback.
A kind of method of uplink control channel resource configuration comprises:
The set of base station assigns uplink control channel resource comprises the available channel resource numbering of a plurality of ACK/NACK feedbacks in this resource collection;
Judgement is on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that whether has physical downlink control channel PDCCH correspondence on the descending carrier to be feedback, and the sign that can use resource is set in PDCCH according to result of determination, this can use the sign of resource to be used for indicating the channel resource whether described user terminal use described uplink control channel resource set to carry out the ACK/NACK feedback, and the operating position of the channel resource element in this channel resource set.
A kind of method of uplink control channel resource configuration comprises:
User terminal reads the configuration signal that the base station issues, and obtains the relevant information that the described user terminal that is provided with in the base station carries out the available uplink control channel resource set of ACK/NACK feedback;
Detect the PDCCH of descending carrier to be feedback, sign according to the resource used that is provided with among this PDCCH determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback, and carries out ACK/NACK and feed back employed channel resource numbering.
A kind of base station equipment comprises:
Distribution module is used to distribute the uplink control channel resource set, comprises at least 1 channel resource numbering that the ACK/NACK feedback is available in this resource collection;
Determination module, be used to judge up-link carrier carrying out the ACK/NACK feedback, the uplink control channel resource that whether has physical downlink control channel PDCCH correspondence on the descending carrier to be feedback, and the sign can use resource is set in PDCCH, this can use the sign of resource to be used for indicating the channel resource whether user terminal use described uplink control channel resource set to carry out the ACK/NACK feedback, and the operating position of the channel resource element in this channel resource set.
A kind of user terminal comprises:
Read module is used to read the configuration signal that the base station issues, and obtains the relevant information that the described user terminal that is provided with in the base station carries out the available uplink control channel resource set of ACK/NACK feedback;
The channel resource determination module, be used to detect the PDCCH of descending carrier to be feedback, sign according to the resource used that is provided with among this PDCCH determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback, and carries out ACK/NACK and feed back employed channel resource numbering.
A kind of system of uplink control channel resource configuration comprises:
The base station, be used to distribute the uplink control channel resource set, comprise the available channel resource numbering of a plurality of ACK/NACK feedbacks in this resource collection, judgement is on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that whether has physical downlink control channel PDCCH correspondence on the descending carrier to be feedback, and the sign that can use resource is set in PDCCH according to result of determination;
User terminal, be used to read the configuration signal that the base station issues, detect the PDCCH of descending carrier to be feedback, determine whether to use channel resource in the described uplink control channel resource set according to the sign that can use resource, and carry out ACK/NACK and feed back employed channel resource numbering.
Because this method is the mode that a kind of dynamic indication and semi-static indication combine, for the Long Term Evolution carrier aggregation system, example of the present invention can the reduction system in the resource reservation and the configuration of uplink feedback channel expense, not only can improve the systematic function of long-term evolution multi-carrier upgrade-system, and can well with LTE Release 8 system compatibles.
Description of drawings
Fig. 1 and Fig. 2 are the wide distribution schematic diagram of the medium-term and long-term evolution multicarrier frenulum of prior art;
Fig. 3 and Fig. 4 are middle FDD system of LTE system (Rel-8) and TDD carrier wave schematic diagram in the prior art;
Fig. 5 is the flow chart of the method for a kind of uplink control channel resource configuration of the embodiment of the invention;
Fig. 6 is that the carrier wave of signal transmission in the concrete applied environment is used schematic diagram;
Fig. 7 is the flow chart of the method base station end processing procedure that the embodiment of the invention provided;
Fig. 8 is the flow chart of the method end side processing procedure that the embodiment of the invention provided;
The structure chart of a kind of base station equipment of Fig. 9 the invention process;
The structure chart of a kind of subscriber terminal equipment of Figure 10 the invention process;
Figure 11 is the structure chart of the system of a kind of uplink control channel resource configuration of the embodiment of the invention.
Embodiment
The method of a kind of uplink control channel resource configuration of the embodiment of the invention, equipment and system, this method comprises: distribute the uplink control channel resource set, comprise the available channel resource numbering of a plurality of ACK/NACK feedbacks in this resource collection, judgement is on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that whether has physical downlink control channel PDCCH on the descending carrier to be feedback, and the sign that can use resource is set in PDCCH according to result of determination, this can use the sign of resource to be used for indicating the channel resource whether user terminal use described uplink control channel resource set to carry out the ACK/NACK feedback, and the operating position of channel resource element in should set; User terminal reads the configuration signal that the base station issues, know described uplink control channel resource set, detect the PDCCH of descending carrier to be feedback, determine whether to use channel resource in the described uplink control channel resource set according to the sign that can use resource, and the operating position of channel resource element in should set.
As shown in Figure 5, present embodiment provides a kind of uplink control channel resource collocation method based on the consideration of compatible LTE system.
For the LTE-A carrier aggregation system, need be on a plurality of descending carriers of feedback on the PUCCH of a up-link carrier ACK/NACK information of the PDCCH that discharges of the ACK/NACK information of PDSCH correspondence and/or a plurality of indication SPS resource, so user terminal needs a plurality of uplink control channel resources carry out the ACK/NACK feedback.
In this uplink control channel resource set N＞=1 element is arranged, corresponding N the channel resource numbering that the ACK/NACK feedback is available.Channel resource element in this set can be shared by a plurality of user terminals, and the user terminal timesharing feedback of same channel resource has been used by the scheduling restriction in the base station, thereby avoids the channel resource collision problem.
The resource character of described uplink control channel resource set the inside is semi-continuous scheduling, and the base station disposes resource in this uplink control channel resource set by high-level signaling.
Wherein, if on the up-link carrier that carries out the ACK/NACK feedback, exist descending carrier to be feedback to end the uplink control channel resource of the CCE correspondence of PDCCH, promptly on the up-link carrier that carries out the ACK/NACK feedback, reserved the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback, then used this resource to feed back employed feedback channel as ACK/NACK.Do not need to utilize any one element in the high-rise uplink control channel resource set that distributes this moment; The base station utilizes PDCCH to inform that user terminal does not use the channel resource element in the high-rise set that distributes.
The method of this PDCCH signaling (method of the sign that can use resource promptly is set in PDCCH) both can be newly to be provided with for all PDCCH go up DCI (downlink control information, the Downlink Control Information) form that carries
The signaling of bit, also can with
Other signaling combined codings in the existing DCI form of the signaling of bit and Rel-8, even reuse this N+1 of denoting signaling state in the existing DCI form.
If but on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that does not have the CCE correspondence of PDCCH on the descending carrier to be feedback, promptly do not reserve the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback, then need to utilize an element in the high-rise uplink control channel resource set that distributes to feed back employed feedback channel as ACK/NACK.The base station utilizes PDCCH to inform user terminal concrete resource element numbering of using in this set.The method of this PDCCH signaling both can be newly to be provided with for all PDCCH go up the DCI form that carries
The signaling of bit, also can with
Other signaling combined codings in the existing DCI form of the signaling of bit and Rel-8, even reuse this N+1 of denoting signaling state in the existing DCI form.
Embodiment as shown in Figure 6, the ACK/NACK information of the PDCCH that the ACK/NACK information of user terminal PDSCH correspondence on feeding back downlink carrier wave on the up-link carrier 11,2,3,4 and/or indication SPS resource discharge.The base station by the RRC signaling semi-static give this user terminal fixed allocation N＞=1 uplink control channel resource, establish N=7 in the present embodiment, in the high-rise channel resource set that distributes of expression 7 channel resource elements are arranged.If go up the DCI form of carrying newly is provided with for all PDCCH
The signaling of bit then during N=7, then need newly be provided with the signaling of 3 bits on the DCI of all PDCCH form.
In up-link carrier 1, reserved the uplink control channel resource of the CCE correspondence of PDCCH on descending carrier 1 and the descending carrier 2, promptly there is the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback.So the ACK/NACK of PDSCH feedback is just transmitted on the uplink control channel resource of the CCE correspondence of PDCCH on these two descending carriers on descending carrier 1 and the descending carrier 2.Resource during the uplink control channel resource that the base station need use PDCCH to inform that user terminal does not use high level to distribute on descending carrier 1 and descending carrier 2 is respectively gathered is as feedback channel.For example, if newly be provided with for all PDCCH go up the DCI form that carries
The signaling of bit during N=7, then can use " 000 " to inform that the ACK/NACK feedback of PDSCH on this descending carrier of user terminal do not use resource in the high-rise resource collection that distributes as the feedback channel of carrying feedback information.
But in up-link carrier 1, do not reserve the uplink control channel resource of descending carrier 3 and descending carrier 4, promptly do not have the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback.So, need to use the resource number in the high-rise uplink control channel resource set of disposing for the ACK/NACK feedback transmission of descending carrier 3 and descending carrier 4.For descending carrier 3, the ACK/NACK information that the base station uses the PDCCH of descending carrier 3 to inform that user terminal feeds back the PDSCH of this carriers carry has been used which element in the set on earth.If go up the DCI form of carrying newly is provided with for all PDCCH
The signaling of bit during N=7, then can use " 001 " to inform that the ACK/NACK feedback of PDSCH on this descending carrier of user terminal uses first channel resource in the high-rise resource collection that distributes as the feedback channel of carrying feedback information.
As shown in Figure 7, in the method that the embodiment of the invention provided, base station end processing procedure:
The resource character of described uplink control channel resource set the inside is semi-continuous scheduling, and the base station disposes resource in this uplink control channel resource set by high-level signaling.
Situation 1: on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that has the CCE correspondence of PDCCH on the descending carrier to be feedback is promptly at the uplink control channel resource that carries out having reserved on the up-link carrier of ACK/NACK feedback the CCE correspondence of PDCCH on the descending carrier to be feedback.At this moment then the base station uses PDCCH to inform that user terminal does not use resource in the high-rise uplink control channel resource set that distributes as feedback channel.The method of this PDCCH signaling both can be newly to be provided with for all PDCCH go up the DCI form that carries
The signaling of bit, also can be with
Other signaling combined codings in the existing DCI form of the signaling of bit and Rel-8, even reuse this N+1 of denoting signaling state in the existing DCI form.If go up the DCI form of carrying newly is provided with for all PDCCH
The signaling of bit, can with
Bit is changed to complete zero, and the element in the high-rise resource collection that distributes is not used in expression.
Situation 2: on the up-link carrier that carries out the ACK/NACK feedback, do not have the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback, promptly do not reserve the uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier to be feedback.At this moment then the base station selects an element to feed back employed feedback channel as ACK/NACK in the uplink control channel resource set of distributing for this user, and utilizes the signaling of PDCCH to indicate to this resource element numbering of user terminal.The method of this PDCCH signaling both can be newly to be provided with for all PDCCH go up the DCI form that carries
The signaling of bit, also can be with
Other signaling combined codings in the existing DCI form of the signaling of bit and Rel-8, even reuse this N+1 of denoting signaling state in the existing DCI form.If go up the DCI form of carrying newly is provided with for all PDCCH
The signaling of bit, then the base station utilizes this
The channel resource element numbering (numbering is since 1) that the bit indication is selected for use, for example during N=7, then can use " 001 " to inform that the ACK/NACK feedback of PDSCH on this descending carrier of user terminal uses first channel resource in the high-rise resource collection that distributes as the feedback channel of carrying feedback information.
As shown in Figure 8, in the method that the embodiment of the invention provided, the user terminal processes process:
Step 801: read high-rise configuration signal, know the available uplink control channel resource set of ACK/NACK feedback that is provided with in the base station;
Step 802: detect the PDCCH of descending carrier to be feedback, determine whether to use the element in the uplink control channel resource set; For example: if newly be provided with for all PDCCH go up the DCI form that carries
The signaling of bit, when user terminal has detected complete zero bit status, then expression does not need to use element in the high-rise resource collection that distributes as feedback channel.And if detected other bit status, then expression needs to use element in the high-rise resource collection that distributes as feedback channel.User terminal is judged following two kinds of situations according to detected PDCCH:
Situation 1: do not use the element in the uplink control channel resource set.At this moment the indication of the CCE that then makes an appointment according to PDCCH on the descending carrier to be feedback is obtained ACK/NACK and is fed back employed channel resource numbering;
Situation 2: use the element in the uplink control channel resource set.At this moment then according to the indication of PDCCH, obtain ACK/NACK and feed back employed channel resource numbering (this numbering is in the scope of uplink control channel resource set);
Step 803: receive PDSCH, obtain the ACK/NACK feedback information after the decoding.
Step 804: send the ACK/NACK feedback information that obtains on the channel resource of in step 802, determining.
As shown in Figure 9, the invention process also provides a kind of base station equipment, comprising:
Described distribution module 901 also is used for disposing by high-level signaling the resource of described uplink control channel resource set, and the resource character of this uplink control channel resource set the inside is the resource of semi-continuous scheduling.
Wherein, if described determination module 902 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that has PDCCH correspondence on the descending carrier to be feedback then is provided with in PDCCH and indicates user terminal and do not use channel resource in the uplink control channel resource set to carry out the sign of the resource used of ACK/NACK feedback.
In addition, if described determination module 902 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback, then in PDCCH, be provided with and indicate the sign of using the resource used of the channel resource numbering in the uplink control channel resource set when user terminal carries out the ACK/NACK feedback, and the described sign of resource of using indicates the channel resource numbering of using when described user terminal carries out the ACK/NACK feedback in described uplink control channel resource set.
If comprise N element in the described distribution module 901 in the uplink control channel resource set, a corresponding N user terminal carries out ACK/NACK and feeds back available channel resource and number, wherein N＞=1; Then
Described determination module 902 also is used to all PDCCH to go up the DCI formatting of carrying
The signaling of bit in N+1 state of this signaling, has N state to indicate in the set of described uplink control channel resource the fast user terminal of institute and carries out the available channel resource of ACK/NACK feedback and number; The channel resource that the another one state is used for indicating the obsolete uplink control channel resource set of described user terminal carries out the ACK/NACK feedback.
In addition, removing above-mentioned is that all PDCCH go up the DCI formatting of carrying
Outside the method for the signaling of bit, described determination module 902 also be used for
Other signaling combined codings in the signaling of bit and the DCI form are implemented in the sign that can use resource are set in the physical downlink control channel PDCCH; Perhaps
Reuse this N+1 of the denoting signaling state in the DCI form, be implemented in the sign that can use resource is set in the physical downlink control channel PDCCH;
Wherein, a described N+1 state has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The another one state is used for indicating described user terminal and does not use the channel resource of uplink control channel resource set to carry out the ACK/NACK feedback.
As shown in figure 10, the embodiment of the invention also provides a kind of user terminal, comprising:
Read module 1001 is used to read the configuration signal that the base station issues, and obtains the relevant information that the described user terminal that is provided with in the base station carries out the available uplink control channel resource set of ACK/NACK feedback;
Channel resource determination module 1002, be used to detect the PDCCH of descending carrier to be feedback, sign according to the resource used that is provided with among this PDCCH determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback, and carries out ACK/NACK and feed back employed channel resource numbering.
Wherein, if described channel resource determination module 1002 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback, then according to the sign of the resource used among the described PDCCH, determine to use the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, the wherein said sign of resource of using indicates the channel resource numbering of using when described user terminal carries out the ACK/NACK feedback in described uplink control channel resource set.
In addition, if described channel resource determination module 1002 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that has PDCCH correspondence on the descending carrier to be feedback then uses the upload control resource of PDCCH correspondence on the described descending carrier to be feedback to feed back employed feedback channel as ACK/NACK.
As shown in figure 11, the embodiment of the invention also provides a kind of system of uplink control channel resource configuration, comprising:
User terminal 1102, be used to read the configuration signal that base station 1101 issues, know described uplink control channel resource set, detect the PDCCH of descending carrier to be feedback, determine whether to use channel resource in the described uplink control channel resource set according to the sign that can use resource, and carry out the channel resource element that ACK/NACK feeds back employed channel resource.
Wherein, if described base station 1101 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that has PDCCH on the descending carrier to be feedback then is provided with in PDCCH and indicates user terminal and do not use channel resource in the uplink control channel resource set to carry out the sign of the resource used of ACK/NACK feedback; Then
Described user terminal 1102 also is used to use the upload control resource of PDCCH correspondence on the described descending carrier to be feedback to feed back employed feedback channel as ACK/NACK.
In addition, if described base station 1101 also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH on the descending carrier to be feedback then is provided with in PDCCH and indicates the sign of using the resource used of the channel resource numbering in the uplink control channel resource set when user terminal carries out the ACK/NACK feedback; Then
User terminal 1102 also is used to detect the PDCCH of descending carrier to be feedback, according to the described sign of using resource, determine to use the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, and use the described corresponding uplink control channel resource of channel resource numbering of the described sign of sign of resource that uses to feed back employed feedback channel as ACK/NACK.
This method is the mode that a kind of dynamic indication and semi-static indication combine.In the system, high-rise semi-static gives the user terminal fixed allocation uplink control channel resource set.When carrying out the ACK/NACK feedback, when user terminal needs a plurality of uplink control channel resource, if on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that has the CCE correspondence of PDCCH on the descending carrier to be feedback does not then need to utilize the element in the high-rise uplink control channel resource set that distributes; The uplink control channel resource of the CCE correspondence of PDCCH on the descending carrier if there is no to be feedback then needs to utilize an element in the high-rise uplink control channel resource set that distributes to feed back employed feedback channel as ACK/NACK.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (22)
1. the method for a uplink control channel resource configuration is characterized in that, comprising:
The base station is determined on the up-link carrier that carries out the ACK/NACK feedback whether have the uplink control channel resource of feedback physical downlink control channel PDCCH correspondence, and according to result of determination the sign that can use resource is set in PDCCH;
User terminal detects the PDCCH of descending carrier, uses corresponding resource to carry out the ACK/NACK feedback according to the sign of the resource used among the PDCCH.
2. the method for claim 1 is characterized in that, if determine not exist described uplink control channel resource, the then described sign of using resource is used for indicating the channel resource of the uplink control channel resource set that the base station sets in advance;
Described user terminal uses the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, and uses the described corresponding uplink control channel resource of the channel resource that sign indicated numbering of resource that uses to feed back employed feedback channel as ACK/NACK.
3. method as claimed in claim 2 is characterized in that, a plurality of user terminals are shared the channel resource element in the described uplink control channel resource set; The user terminal timesharing feedback of same channel resource has been used in described base station by the scheduling restriction.
4. as claim 2 or the described method of 3 arbitrary claims, it is characterized in that, if comprise N element in the set of described uplink control channel resource, corresponding N described user terminal carries out the available channel resource numbering of ACK/NACK feedback, N＞=1 wherein, then described the setting in physical downlink control channel PDCCH can use the sign of resource to comprise:
Go up the Downlink Control Information DCI formatting of carrying for all PDCCH
The signaling of bit in N+1 state of this signaling, has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The another one state is used for indicating described user terminal and does not use the channel resource of uplink control channel resource set to carry out the ACK/NACK feedback.
5. as claim 2 or the described method of 3 arbitrary claims, it is characterized in that, if comprise N element in the described uplink control channel resource set, corresponding N described user terminal carries out the available channel resource numbering of ACK/NACK feedback, N＞=1 wherein, then described the setting in physical downlink control channel PDCCH can use the sign of resource to comprise:
Will
Other signaling combined codings in the signaling of bit and the DCI form are implemented in the sign that can use resource are set in the physical downlink control channel PDCCH; Perhaps
Reuse the described N+1 of the denoting signaling state in the DCI form, be implemented in the sign that can use resource is set in the physical downlink control channel PDCCH;
Wherein, a described N+1 state has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The another one state is used for indicating described user terminal and does not use the channel resource of uplink control channel resource set to carry out the ACK/NACK feedback.
6. as the described method of the arbitrary claim of claim 2～3, it is characterized in that the resource character of described uplink control channel resource set the inside is semi-continuous scheduling, and the base station disposes resource in this uplink control channel resource set by high-level signaling.
7. the method for a uplink control channel resource configuration is characterized in that, comprising:
The set of base station assigns uplink control channel resource comprises the available channel resource numbering of ACK/NACK feedback in this resource collection, and sends the signaling of this uplink control channel resource set relevant information to user terminal;
The base station is judged on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource of existence feedback physical downlink control channel PDCCH correspondence whether, and the sign that can use resource is set in PDCCH according to result of determination, whether this can use the sign of resource to be used for indicating described user terminal to use the channel resource of described uplink control channel resource set to carry out the ACK/NACK feedback.
8. method as claimed in claim 7 is characterized in that, comprising:
If determine on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that does not have feedback PDCCH correspondence, then in PDCCH, be provided with and indicate the sign of using the resource used of the channel resource numbering in the uplink control channel resource set when described user terminal carries out the ACK/NACK feedback, and this channel resource numbering of using in described uplink control channel resource set can use the sign of resource also to be used for indicating described user terminal to carry out the ACK/NACK feedback time.
9. as the described method of the arbitrary claim of claim 7～8, it is characterized in that, if comprise N element in the set of described uplink control channel resource, corresponding N described user terminal carries out the available channel resource numbering of ACK/NACK feedback, N＞=1 wherein, then described the setting in physical downlink control channel PDCCH can use the sign of resource to comprise:
Go up the DCI formatting of carrying for all PDCCH
The signaling of bit in N+1 state of this signaling, has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The channel resource that the another one state is used for indicating the obsolete uplink control channel resource set of described user terminal carries out the ACK/NACK feedback.
10. as the described method of the arbitrary claim of claim 7～8, it is characterized in that, if comprise N element in the set of described uplink control channel resource, corresponding N described user terminal carries out the available channel resource numbering of ACK/NACK feedback, N＞=1 wherein, then described the setting in physical downlink control channel PDCCH can use the sign of resource to comprise:
Will
Other signaling combined codings in the signaling of bit and the DCI form are implemented in the sign that can use resource are set in the physical downlink control channel PDCCH; Perhaps
Reuse this N+1 of the denoting signaling state in the DCI form, be implemented in the sign that can use resource is set in the physical downlink control channel PDCCH;
Wherein, a described N+1 state has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The another one state is used for indicating described user terminal and does not use the channel resource of uplink control channel resource set to carry out the ACK/NACK feedback.
11., it is characterized in that the resource character of described uplink control channel resource set the inside is semi-continuous scheduling as the described method of the arbitrary claim of claim 7～8, and the base station disposes resource in this uplink control channel resource set by high-level signaling.
12. the method for a uplink control channel resource configuration is characterized in that, comprising:
User terminal reads the configuration signal that the base station issues, and obtains the relevant information that the described user terminal that is provided with in the base station carries out the available uplink control channel resource set of ACK/NACK feedback;
Detect the PDCCH of descending carrier to be feedback, sign according to the resource used that is provided with among this PDCCH determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback, and carries out ACK/NACK and feed back employed channel resource numbering.
13. method as claimed in claim 12 is characterized in that, comprising:
User terminal detects the PDCCH of descending carrier to be feedback, if on the up-link carrier that carries out the ACK/NACK feedback, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback, then according to the sign of the resource used among the described PDCCH, determine to use the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, the wherein said sign of resource of using indicates the channel resource numbering of using when described user terminal carries out the ACK/NACK feedback in described uplink control channel resource set.
14. a base station equipment is characterized in that, comprising:
Distribution module is used to allocate in advance the uplink control channel resource set, comprises at least 1 channel resource numbering that the ACK/NACK feedback is available in this resource collection;
Determination module, be used to determine carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource of existence feedback physical downlink control channel PDCCH correspondence whether, and the sign that can use resource is set in PDCCH according to result of determination, whether this can use the sign of resource to be used for indicating described user terminal to use the channel resource of described uplink control channel resource set to carry out the ACK/NACK feedback.
15. base station as claimed in claim 14, it is characterized in that, if described determination module also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback, then in PDCCH, be provided with and indicate the sign of using the resource used of the channel resource numbering in the uplink control channel resource set when described user terminal carries out the ACK/NACK feedback, and the described sign of resource of using indicates the channel resource numbering of using when described user terminal carries out the ACK/NACK feedback in described uplink control channel resource set.
16. as the described base station of the arbitrary claim of claim 14～15, it is characterized in that, if comprise N element in the described distribution module in the uplink control channel resource set, a corresponding N user terminal carries out ACK/NACK and feeds back available channel resource and number, wherein N＞=1; Then
Described determination module also is used to all PDCCH to go up the DCI formatting of carrying
The signaling of bit in N+1 state of this signaling, has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The channel resource that the another one state is used for indicating the obsolete uplink control channel resource set of described user terminal carries out the ACK/NACK feedback.
17. as the described base station of the arbitrary claim of claim 14～15, it is characterized in that, if comprise N element in the described distribution module in the uplink control channel resource set, corresponding N described user terminal carries out the available channel resource of ACK/NACK feedback numbers, wherein N＞=1; Then
Described determination module also be used for
Other signaling combined codings in the signaling of bit and the DCI form are implemented in the sign that can use resource are set in the physical downlink control channel PDCCH; Perhaps
Reuse this N+1 of the denoting signaling state in the DCI form, be implemented in the sign that can use resource is set in the physical downlink control channel PDCCH;
Wherein, a described N+1 state has N state to indicate user terminal described in the described uplink control channel resource set and carries out the available channel resource numbering of ACK/NACK feedback; The another one state is used for indicating described user terminal and does not use the channel resource of uplink control channel resource set to carry out the ACK/NACK feedback.
18. as the described method of the arbitrary claim of claim 14～15, it is characterized in that, described distribution module also is used for disposing by high-level signaling the resource of described uplink control channel resource set, and the resource character of this uplink control channel resource set the inside is the resource of semi-continuous scheduling.
19. a user terminal is characterized in that, comprising:
Read module is used to read the configuration signal that the base station issues, and obtains the relevant information that the described user terminal that is provided with in the base station carries out the available uplink control channel resource set of ACK/NACK feedback;
The channel resource determination module, be used to detect the PDCCH of descending carrier to be feedback, sign according to the resource used that is provided with among this PDCCH determines whether to use the channel resource in the described uplink control channel resource set to carry out the ACK/NACK feedback, and carries out ACK/NACK and feed back employed channel resource numbering.
20. user terminal as claimed in claim 19 is characterized in that, comprising:
If described channel resource determination module also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback, then according to the sign of the resource used among the described PDCCH, determine to use the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, the wherein said sign of resource of using indicates the channel resource numbering of using when described user terminal carries out the ACK/NACK feedback in described uplink control channel resource set.
21. the system of a uplink control channel resource configuration is characterized in that, comprising:
The base station is used to determine carrying out the up-link carrier that ACK/NACK feeds back, and whether has the uplink control channel resource of feedback physical downlink control channel PDCCH correspondence, and according to result of determination the sign that can use resource is set in PDCCH;
User terminal is used to detect the PDCCH of descending carrier, uses corresponding resource to carry out the ACK/NACK feedback according to the sign of the resource used among the PDCCH.
22. system as claimed in claim 21 is characterized in that, comprising:
If described base station also is used for determining carrying out the up-link carrier that ACK/NACK feeds back, the uplink control channel resource that does not have PDCCH correspondence on the descending carrier to be feedback then is provided with in PDCCH and indicates the sign of using the resource used of the channel resource numbering in the uplink control channel resource set when described user terminal carries out the ACK/NACK feedback; Then
User terminal also is used to detect the PDCCH of descending carrier to be feedback, according to the described sign of using resource, determine to use the channel resource in the uplink control channel resource set to carry out the ACK/NACK feedback, and use the described corresponding uplink control channel resource of channel resource numbering of the described sign of sign of resource that uses to feed back employed feedback channel as ACK/NACK.
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| CN200910237068.0A CN102014505B (en) | 2009-11-03 | 2009-11-03 | Method, equipment and system for resource allocation of upstream control channel |
| PCT/CN2010/001729 WO2011054176A1 (en) | 2009-11-03 | 2010-10-29 | Method, device and system for uplink control channel resources configuration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910237068.0A CN102014505B (en) | 2009-11-03 | 2009-11-03 | Method, equipment and system for resource allocation of upstream control channel |
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| CN102014505B CN102014505B (en) | 2013-09-11 |
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| WO (1) | WO2011054176A1 (en) |
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Also Published As
| Publication number | Publication date |
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| WO2011054176A1 (en) | 2011-05-12 |
| CN102014505B (en) | 2013-09-11 |
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