CN101431774A - Resource allocation method and apparatus for physical uplink control channel, and base station - Google Patents

Resource allocation method and apparatus for physical uplink control channel, and base station Download PDF

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CN101431774A
CN101431774A CNA200810178379XA CN200810178379A CN101431774A CN 101431774 A CN101431774 A CN 101431774A CN A200810178379X A CNA200810178379X A CN A200810178379XA CN 200810178379 A CN200810178379 A CN 200810178379A CN 101431774 A CN101431774 A CN 101431774A
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resource
nack
reserved
cqi
sri
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CN101431774B (en
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钱颖
王昭
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Huawei Technologies Co Ltd
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Abstract

One embodiment of the invention discloses a method and a device for configuring a physical uplink control channel resource, and a base station. The method comprises: when ACK/NACK and SRI and unused resource amount in the resource reserved for CQI are bigger than the sum of a first preset value and a first amount, respectively reducing the first amount and a second amount for the semi-static ACK/NACK and the SRI and the resource reserved for the CQI; and when occupancy factor of the resource reserved for the semi-static ACK/NACK and the SRI is bigger than a second preset value, or the amount of the unused resource amount in the resource reserved for the CQI is smaller than or equal to a third preset value, increasing a third amount for the resource reserved for the semi-static ACK/NACK and the SRI, and increasing a fourth amount for the resource reserved for the CQI. The embodiment of the invention can reasonably configure the resource reserved for the semi-static ACK/NACK and the SRI and the CQI in PUCCH, so as to improve performance of a communication system.

Description

Physical uplink control channel resource collocation method and device, base station
Technical field
The present invention relates to the communication technology, especially a kind of Physical Uplink Control Channel (Physical UplinkControl Channel, hereinafter to be referred as: PUCCH) resource allocation method and device, base station.
Background technology
At Long Term Evolution (Long Term Evolution, hereinafter to be referred as: LTE) in the communication system, the upstream control signaling that user terminal sends to the base station on PUCCH, comprise affirmation/negative (Acknowledgement/No Acknowledgement, hereinafter to be referred as: ACK/NACK) message, dispatch request indication (Scheduling Request Indicator, hereinafter to be referred as: SRI) and channel quality information (Channel Quality Information, hereinafter to be referred as: CQI).Wherein, ACK/NACK is used for mixing automatic repeat requests to base station feedback (Hybrid Automatic Repeat Request is hereinafter to be referred as reception result HARQ); SRI is used for to the base station requests ascending resource scheduling; CQI is used for to the base station feedback down channel quality, the base station according to the CQI of user terminal to send up carry out downlink transmission data (coded modulation scheme Modulation and Code Scheme, hereinafter to be referred as: MCS) adaptively selected.
Therefore, the resource of the last transmission of PUCCH mainly is divided into three parts, and a part is the resource that dynamic ack/NACK takies, and a part is the resource that semi-static ACK/NACK and SRI take, and a part is the resource that CQI takies.Regulation according to present LTE agreement, in the PUCCH resource, the resource that dynamic ack/NACK takies, neatly dispose and notify user according to the number of users of dispatching in each cycle in each subframe by the base station, and the resource sum that two, three parts take can only issue by system message, before system message is revised, keep for the resource of semi-static ACK/NACK and SRI and CQI to fix.
In realizing process of the present invention, the inventor finds: can't reasonable disposition keep for the resource of semi-static ACK/NACK and SRI and CQI in the prior art, and the resource size of keeping for semi-static ACK/NACK and SRI and CQI has very big influence to the performance of LTE communication system.If reserved resource is very little, will cause resource-constrainedly, cause system frequently to issue the limited message of telecommunication system resources to the user.If reserved resource is too many, will waste the PUCCH resource.Therefore, it is extremely important to the LTE communication system suitably to dispose the PUCCH reserved resource according to the load of LTE communication system.
Summary of the invention
The purpose of the embodiment of the invention is: a kind of physical uplink control channel resource collocation method and device, base station are provided, keep for the resource of semi-static ACK/NACK and SRI and CQI among the reasonable disposition PUCCH, avoid keeping for the excessive PUCCH of the causing wasting of resources of resource of semi-static ACK/NACK and SRI and CQI or reserved resource too small cause resource-constrained, thereby improve the performance of communication system.
A kind of physical uplink control channel resource collocation method that the embodiment of the invention provides comprises:
The semi-static affirmation of inquiry expression/negate ACK/NACK and the resource reservation of dispatch request indication SRI and first resource table of operating position, and the resource reservation of expression channel quality information CQI and second resource table of operating position;
According to first resource table and second resource table, untapped resource quantity is greater than first preset value and the first quantity sum in described semi-static ACK/NACK and SRI reserved resource, and when untapped resource quantity is greater than first preset value and the second quantity sum in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced by second quantity;
When described semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or when untapped resource quantity is less than or equal to described the 3rd preset value in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, described CQI reserved resource is increased by the 4th quantity, wherein, the resource quantity used of described semi-static ACK/NACK and SRI, the resource quantity that described CQI has used, described the 3rd quantity and described the 4th quantity sum are less than or equal to the resource sum that can keep for semi-static ACK/NACK and SRI and CQI in the Physical Uplink Control Channel PUCCH resource.
A kind of physical uplink control channel resource inking device that the embodiment of the invention provides comprises:
Memory module is used for the resource reservation of semi-static ACK/NACK of storage representation and SRI and first resource table and the resource reservation of expression CQI and second resource table of operating position of operating position;
Enquiry module is used for inquiring about first resource table and second resource table that described memory module is stored;
Analysis module, be used for Query Result according to described enquiry module, whether analyze in described semi-static ACK/NACK and the SRI reserved resource untapped resource quantity greater than first preset value and the first quantity sum, and in the described CQI reserved resource untapped resource quantity whether greater than first preset value and the second quantity sum, perhaps, whether described semi-static ACK/NACK and SRI reserved resource occupancy be greater than second preset value, perhaps, whether untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource;
Adjusting module, be used for analysis result according to described analysis module, described semi-static ACK/NACK and SRI and CQI reserved resource are adjusted, when untapped resource quantity in described semi-static ACK/NACK and the SRI reserved resource greater than first preset value and the first quantity sum and described CQI reserved resource in untapped resource quantity during greater than first preset value and the second quantity sum, described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced by second quantity;
When described semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or when untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, described CQI reserved resource is increased by the 4th quantity, wherein, the resource quantity used of described semi-static ACK/NACK and SRI, the resource quantity that described CQI has used, described the 3rd quantity is less than or equal to the resource sum that can keep for semi-static ACK/NACK and SRI and CQI in the PUCCH resource of communicating by letter with described the 4th quantity sum.
A kind of base station that the embodiment of the invention provides, comprise above-mentioned physical uplink control channel resource inking device, also comprise Service Processing Module, be used for issuing the distribution condition of PUCCH resource by system message according to the adjustment result of described device adjusting module to Physical Uplink Control Channel PUCCH resource.
Based on the above embodiment of the present invention, can be according to the operating position of the resource reservation of the semi-static ACK/NACK that writes down in first resource table and second resource table and SRI and CQI, at reserved resource when the operating position of reserved resource is satisfied certain condition, the resource of semi-static ACK/NACK and SRI and CQI is kept in corresponding increase or minimizing, keep for the resource of semi-static ACK/NACK and SRI and CQI among the reasonable disposition PUCCH, thereby realize effective adjustment to semi-static ACK/NACK and SRI among the PUCCH and CQI reserved resource, avoid keeping for the excessive PUCCH of the causing wasting of resources of resource of semi-static ACK/NACK and SRI and CQI or reserved resource too small cause resource-constrained, thereby (for example: the performance LTE communication system), especially up-downgoing scheduling performance improve communication system.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the arrangement mode schematic diagram of PUCCH resource;
Fig. 2 is the flow chart of an embodiment of PUCCH resource allocation method of the present invention;
Fig. 3 is the flow chart of another embodiment of PUCCH resource allocation method of the present invention;
Fig. 4 is the structural representation of an embodiment of PUCCH device for allocating resources of the present invention;
Fig. 5 is the structural representation of another embodiment of PUCCH device for allocating resources of the present invention;
Fig. 6 is the structural representation of the embodiment in base station of the present invention;
Fig. 7 is the structural representation of another embodiment of base station of the present invention.
Embodiment
The LTE communication system supports under the different system bandwidth, and configure reserved is given the number of channel of semi-static ACK/NACK and SRI and keep for the Resource Block of CQI that (Resource Block is hereinafter to be referred as RB) number.As shown in Figure 1, be the arrangement mode schematic diagram of PUCCH resource.According to Fig. 1, prior art is carried out the branch timing to dynamic ack, semi-static ACK/NACK and SRI and CQI resource on PUCCH, reserve fixing Resource Block (the Resource Block at edge, two ends in the PUCCH bandwidth, hereinafter to be referred as: RB) give CQI, shown among Fig. 1 101 and 102.Reserve fixing number of subchannels in abutting connection with the RB that distributes to CQI then and give semi-static ACK/NACK and SRI, shown in Figure 103 and 106.The resource of dynamic ack/NACK is distributed in 104 and 105 expressions among Fig. 1,107 expression physical uplink link sharing channels (Physical Uplink Shared Channel, hereinafter to be referred as: PUSCH).
The embodiment of the invention can write down resource reservation and the operating position of semi-static ACK/NACK and SRI and CQI respectively by first resource table and second resource table, when satisfying certain condition, the reserved resource of keeping for ACK/NACK and SRI and CQI is respectively adjusted accordingly when reserved resource and to the use of reserved resource.
A kind of PUCCH resource allocation method that the embodiment of the invention provides mainly comprises:
The inquiry semi-static ACK/NACK of expression and the resource reservation of SRI and first resource table of operating position, and the resource reservation of expression CQI and second resource table of operating position;
According to first resource table and second resource table, when be semi-static affirmation/negate in ACK/NACK and the dispatch request indication SRI reserved resource untapped resource quantity greater than first preset value and the first quantity sum, and be when untapped resource quantity is greater than first preset value and the second quantity sum in the channel quality information CQI reserved resource, will for semi-static affirmation/negate ACK/NACK and dispatch request indication SRI reserved resource reduce by first quantity, will reduce by second quantity for channel quality information CQI reserved resource.First preset value wherein can rule of thumb be worth definite, and can adjust according to the actual requirements, and its value can be for more than or equal to zero any number;
When being that semi-static affirmation/negate ACK/NACK and dispatch request indication SRI reserved resource occupancy are greater than second preset value, or be when untapped resource quantity is less than or equal to the 3rd preset value in the channel quality information CQI reserved resource, will for semi-static affirmation/negate ACK/NACK and dispatch request indication SRI reserved resource increase by the 3rd quantity, will increase by the 4th quantity for channel quality information CQI reserved resource.Wherein, the resource quantity that semi-static affirmation/negative ACK/NACK and dispatch request indication SRI have used, resource quantity, the 3rd quantity and the 4th quantity sum that channel quality information CQI has used are less than or equal to the resource sum that can keep for semi-static affirmation/negative ACK/NACK and dispatch request indication SRI and channel quality information CQI in the communication system Physical Uplink Control Channel PUCCH resource.
The embodiment of the invention is according to the operating position of the resource reservation of the semi-static ACK/NACK that writes down in first resource table and second resource table and SRI and CQI, at reserved resource when the operating position of reserved resource is satisfied certain condition, the resource of semi-static ACK/NACK and SRI and CQI is kept in corresponding increase or minimizing, keep for the resource of semi-static ACK/NACK and SRI and CQI among the reasonable disposition PUCCH, thereby avoid keeping for the excessive PUCCH of the causing wasting of resources of resource of semi-static ACK/NACK and SRI and CQI or reserved resource too small cause resource-constrained, thereby improve performance, especially the up-downgoing scheduling performance of communication system.
In the PUCCH resource allocation method that the above embodiment of the present invention provides, first preset value can be identical with the 3rd preset value, specifically can be a reservation number of subchannels for preventing that the modification of communication system information table tennis from setting in advance Accordingly, be specifically as follows greater than first preset value and the first quantity sum for untapped resource quantity in semi-static ACK/NACK and the SRI reserved resource: N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved , For untapped resource quantity in the CQI reserved resource is specifically as follows greater than first preset value and the second quantity sum: N unused _ channel Format 2 > ΔN × 12 + N channel Reserved . Wherein,
Figure A200810178379D00124
Be to be untapped number of subchannels in the subchannel of semi-static ACK/NACK and SRI reservation in first resource table,
Figure A200810178379D00125
Be number of subchannels as first quantity,
Figure A200810178379D00126
Be to be untapped number of subchannels in the channel quality information CQI reserved resource piece number in second resource table, Δ N is the number of resource blocks as second quantity.
Particularly, in the PUCCH resource allocation method of the above embodiment of the present invention, first quantity can equate that the 3rd quantity also can equate with the 4th quantity with second quantity.In addition, first quantity can equate that also second quantity also can equate with the 4th quantity with the 3rd quantity.
As shown in Figure 2, be the flow chart of an embodiment of PUCCH resource allocation method of the present invention, it may further comprise the steps:
Step 201 is inquired about first resource table and second resource table.
Whether step 202 according to first resource table and second resource table, is analyzed and is satisfied N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved And N unused _ channel Format 2 > ΔN × 12 + N channel Reserved , Perhaps, in first resource table be semi-static ACK/NACK and SRI reserved resource occupancy whether greater than default thresholding, that is: whether above-mentioned second preset value perhaps, is less than or equal to for untapped resource quantity in the CQI reserved resource in second resource table
Figure A200810178379D00133
If N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved And N unused _ channel Format 2 > ΔN × 12 + N channel Reserved , Execution in step 203; If in first resource table be semi-static ACK/NACK and SRI reserved resource occupancy greater than default thresholding, perhaps, be that untapped resource quantity is less than or equal in the CQI reserved resource in second resource table Execution in step 204; Otherwise, do not carry out subsequent operation.
Step 203 will be that the number of subchannels that semi-static ACK/NACK and SRI reserve reduces in the PUCCH resource Will be for CQI reserved resource piece number reduce Δ N, execution in step 205 then.
Step 204 increases by the 3rd quantity with the number of subchannels for semi-static ACK/NACK and SRI reservation in the PUCCH resource, for example:
Figure A200810178379D00138
Will be for CQI reserved resource piece number increases by the 4th quantity, for example: Δ N.
Step 205 issues the distribution condition of PUCCH resource to user terminal by the system message of base station.
In addition, as an alternative embodiment of the invention, can be according to preset rule, under different communication system bandwidth, be several resource allocation grades with keeping for the resource division of semi-static ACK/NACK and SRI and CQI in this communication system PUCCH resource in advance, and be provided with under each resource allocation grade and be respectively semi-static, ACK/NACK and, SRI and CQI reserved resource, the reserved resource of each resource allocation grade correspondence varies in size, it is high more that the resource allocation grade can be set, and for semi-static ACK/NACK and SRI and CQI reserved resource are big more, the following embodiment of the present invention describes as example.In addition, it is high more that the resource allocation grade also can be set, and for semi-static ACK/NACK and SRI and CQI reserved resource are more little, corresponding, the adjustment to the resource allocation grade of semi-static ACK/NACK and SRI and CQI reserved resource in subsequent embodiment is just opposite.Particularly, the resource allocation number of levels can be determined by empirical value according to communication system bandwidth resources sum, and can be updated.
After preparing reserved resource for each resource allocation ranking score, one of them the resource allocation grade that can select a plurality of resource allocation grades of being divided into is as the initial resource allocation grade, for example: the resource allocation grade in the middle of selecting, the highest resource allocation grade, minimum resources allocation level, it also can be other resource allocation grade, can choose according to the actual requirements, be respectively the resource that semi-static ACK/NACK and SRI and CQI reserve this resource allocation grade correspondence.Create selected current resource allocation grade (also promptly: the initial resource allocation grade) represent semi-static ACK/NACK and the resource allocation of SRI and first resource table of operating position down in base station side then, and the resource allocation of expression CQI and second resource table of operating position, and write down first resource table and the current resource allocation grade of second resource table.
Like this, under the different communication systems bandwidth, the switching between the resource allocation grade, the resource operating position that writes down in first resource table by the base station side setting and second resource table decides.The number of subchannels that is assumed to semi-static ACK/NACK and SRI reservation is Base station side is that the line number of first resource table of semi-static ACK/NACK and SRI setting equals
Figure A200810178379D00142
Suppose that the RB number of keeping for CQI is N, each RB comprises 12 subchannels, and the number of subchannels of then keeping for CQI is 12 * N, and base station side is that the line number of second resource table of CQI setting equals 12 * N.In the process of base station and user terminal communication, according to semi-static ACK/NACK and SR the operating position of reserved resource is upgraded use resource quantity in first resource table, and the operating position of reserved resource is upgraded use resource quantity in second resource table according to CQI.
As shown in Figure 3, be the flow chart of another embodiment of PUCCH resource allocation method of the present invention, it may further comprise the steps:
Step 301 is inquired about first resource table and second resource table;
Whether step 302 according to first resource table and second resource table, is analyzed and is satisfied N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved , N unused _ channel Format 2 > ΔN × 12 + N channel Reserved And current resource allocation grade is not the minimum resources allocation level, perhaps, first resource table is whether semi-static ACK/NACK and SRI reserved resource occupancy are not the highest resource allocation grades greater than default thresholding and current resource allocation grade, perhaps, whether be less than or equal to for untapped number of subchannels in the CQI reserved resource in second resource table
Figure A200810178379D00151
And current resource allocation grade is not the highest resource allocation grade.Wherein,
Figure A200810178379D00152
Be untapped number of subchannels in first resource table under the current resource allocation grade,
Figure A200810178379D00153
For current resource allocation grade is the number of subchannels difference that semi-static ACK/NACK and SRI reserve with hanging down under the resource allocation grade,
Figure A200810178379D00154
Be untapped number of subchannels in second resource table under the current resource allocation grade, Δ N is that current resource allocation grade is a CQI reserved resource piece number with hanging down under the resource allocation grade.If N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved , N unused _ channel Format 2 > ΔN × 12 + N channel Reserved And current resource allocation grade is not the minimum resources allocation level, execution in step 303; If the resources occupation rate in first resource table is not the highest resource allocation grade greater than default thresholding and current resource allocation grade, perhaps, untapped number of subchannels is less than or equal in second resource table And current resource allocation grade is not the highest resource allocation grade, execution in step 304; Otherwise, do not carry out subsequent operation.
Step 303, to in the PUCCH resource under the current resource allocation grade be the resource that semi-static ACK/NACK and SRI and CQI reserved resource are adjusted into a low resource allocation grade respectively, also promptly: the resource of the adjacent resource allocation grade that corresponding reserved resource is less, execution in step 305 then.
Step 304 will in the PUCCH resource under the current resource allocation grade be the resource that semi-static ACK/NACK and SRI and CQI reserved resource are adjusted into a high resource allocation grade respectively, also promptly: the resource of the adjacent resource allocation grade that corresponding reserved resource is more.
Step 305, a corresponding low resource allocation grade or the high resource allocation grade of being adjusted into of the current resource allocation grade that first resource table is corresponding with second resource table.
Step 306 is revised the system message of base station, and issues the distribution condition of PUCCH resource to user terminal by system message.
Wherein, step 306 also can be carried out with step 305 or be carried out prior to step 305 simultaneously.
As shown in Figure 4, be the structural representation of an embodiment of PUCCH device for allocating resources of the present invention, the PUCCH resource distribution of this embodiment can realize the PUCCH resource allocation method flow process of the above embodiment of the present invention.The PUCCH device for allocating resources of this embodiment comprises memory module 401, enquiry module 402, analysis module 403 and adjusting module 404.
Wherein, memory module 401 is used for the resource allocation of semi-static ACK/NACK of storage representation and SRI and first resource table and the resource allocation of expression CQI and second resource table of operating position of operating position.Enquiry module 402 is used for inquiring about first resource table and second resource table of memory module 401 storages.Analysis module 403 is used for the Query Result according to enquiry module 402, analyze for untapped resource quantity in semi-static ACK/NACK and the SRI reserved resource whether greater than first preset value and the first quantity sum, and be in the CQI reserved resource untapped resource quantity whether greater than first preset value and the second quantity sum, perhaps, for semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, perhaps, whether be less than or equal to the 3rd preset value for untapped resource quantity in the CQI reserved resource.Adjusting module 404 is used for the analysis result according to analysis module 403, to adjusting for semi-static ACK/NACK and SRI and CQI reserved resource, when untapped resource quantity in semi-static ACK/NACK and the dispatch request indication RI reserved resource greater than first preset value and the first quantity sum and CQI reserved resource in untapped resource quantity during greater than first preset value and the second quantity sum, semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, the CQI reserved resource is reduced by second quantity; When semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or be when untapped resource quantity is less than or equal to the 3rd preset value in the CQI reserved resource, semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, the CQI reserved resource is increased by the 4th quantity.Wherein, the resource quantity used of semi-static ACK/NACK and SRI, resource quantity, the 3rd quantity and the 4th quantity sum that CQI has used are less than or equal to the resource sum that can keep for semi-static ACK/NACK and SRI and CQI in the communication system PUCCH resource.
In the embodiment shown in fig. 4, first preset value can be identical with the 3rd preset value, specifically can be a reservation number of subchannels for preventing that the modification of communication system information table tennis from setting in advance
Figure A200810178379D00171
Accordingly, untapped resource quantity is specifically as follows greater than first preset value and the first quantity sum in semi-static ACK/NACK and the SRI reserved resource: N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved , For untapped resource quantity in the CQI reserved resource is specifically as follows greater than first preset value and the second quantity sum: N unused _ channel Format 2 > ΔN × 12 + N channel Reserved . Wherein,
Figure A200810178379D00174
Be to be untapped number of subchannels in the subchannel of semi-static ACK/NACK and SRI reservation in first resource table,
Figure A200810178379D00175
Be number of subchannels as first quantity,
Figure A200810178379D00176
Be to be untapped number of subchannels in the CQI reserved resource piece number in second resource table, Δ N is the number of resource blocks as second quantity.
Particularly, in the PUCCH resource allocation method of the above embodiment of the present invention, first quantity can equate that the 3rd quantity also can equate with the 4th quantity with second quantity.In addition, first quantity can equate that also second quantity also can equate with the 4th quantity with the 3rd quantity.
As shown in Figure 5, be the structural representation of another embodiment of PUCCH device for allocating resources of the present invention, the PUCCH device for allocating resources of this embodiment comprises memory module 501, enquiry module 502, analysis module 503, adjusting module 504 and update module 505.Compare with embodiment shown in Figure 4, memory module 501 is the semi-static ACK/NACK of storage representation and the resource allocation of SRI and first resource table and the resource allocation of expression CQI and second resource table of operating position of operating position not only, also is used to store the first resource table current resource allocation grade corresponding with second resource table.Can keep for the resource of semi-static ACK/NACK and SRI and CQI in the communication system PUCCH resource, be divided into a plurality of resource allocation grades according to the communication system bandwidth in advance, it is different with SRI and CQI reserved resource to be respectively semi-static ACK/NACK under the different resource allocation level.Enquiry module 502 is used for inquiring about first resource table and second resource table of memory module 501 storages.Analysis module 503 is used for the Query Result according to enquiry module 502, analyze for untapped resource quantity in semi-static ACK/NACK and the SRI reserved resource whether greater than first preset value and the first quantity sum, and be in the CQI reserved resource untapped resource quantity whether greater than first preset value and the second quantity sum, perhaps, for semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, perhaps, whether be less than or equal to the 3rd preset value for untapped resource quantity in the CQI reserved resource.Analysis result according to analysis module 503, when being that untapped resource quantity is greater than first preset value and the first quantity sum and for untapped resource quantity in the CQI reserved resource during greater than first preset value and the second quantity sum in semi-static ACK/NACK and the SRI reserved resource, adjusting module 504 will be the resource that semi-static ACK/NACK and SRI and CQI reserved resource are reduced to the less adjacent resource allocation grade of corresponding reserved resource respectively under the current resource allocation grade.Wherein, first quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under be semi-static affirmation/negate the number of subchannels difference that ACK/NACK and dispatch request indication SRI reserve, second quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under count difference for channel quality information CQI reserved resource piece.When being that semi-static ACK/NACK and SRI reserved resource occupancy are greater than second preset value, or when being less than or equal to the 3rd preset value for untapped resource quantity in the CQI reserved resource, adjusting module 504 will be under the current resource allocation grade increases to the resource of the more adjacent resource allocation grade of corresponding reserved resource respectively for semi-static ACK/NACK and SRI and CQI reserved resource.Wherein, the 3rd quantity is to be the number of subchannels difference of semi-static ACK/NACK and SRI reservation under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade, and the 4th quantity is to count difference for CQI reserved resource piece under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade.Update module 505, be used for adjustment result according to 504 pairs of resource allocation grades of adjusting module, the current resource allocation class information of first resource table and second resource table in the updated stored module 501, corresponding less adjacent resource allocation grade of corresponding reserved resource or the more adjacent resource allocation grade of corresponding reserved resource of being adjusted into of the current resource allocation grade that first resource table is corresponding with second resource table, and the operating position of reserved resource is upgraded use resource quantity in first resource table according to semi-static ACK/NACK and SR, according to CQI the operating position of reserved resource is upgraded use resource quantity in second resource table.
The base station that the embodiment of the invention provides, can comprise as above Fig. 4 or PUCCH device for allocating resources 10 embodiment illustrated in fig. 5, also comprise Service Processing Module 20 in addition, this Service Processing Module 20 is used for the adjustment results modification system message according to PUCCH device for allocating resources adjusting module 404 or 504 pairs of PUCCH resources of adjusting module, and issues the distribution condition of PUCCH resource to user terminal by system message.As shown in Figure 6, be the structural representation of the embodiment in base station of the present invention, adopted PUCCH device for allocating resources embodiment illustrated in fig. 4 among this embodiment.Fig. 7 has adopted PUCCH device for allocating resources embodiment illustrated in fig. 5 for the structural representation of another embodiment of base station of the present invention among this embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The embodiment of the invention can be adjusted the resource of keeping for semi-static ACK/NACK and SRI and CQI, keep for the resource of semi-static ACK/NACK and SRI and CQI among the reasonable disposition PUCCH, thereby avoid keeping for the excessive PUCCH of the causing wasting of resources of resource of semi-static ACK/NACK and SRI and CQI or reserved resource too small cause resource-constrained, thereby improve performance, especially the up-downgoing scheduling performance of communication system.
It should be noted last that: above embodiment is only in order to illustrating technical scheme of the present invention, but not the present invention is made restrictive sense.Although the present invention is had been described in detail with reference to above-mentioned preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and this modification or be equal to the spirit and scope that replacement does not break away from technical solution of the present invention.

Claims (9)

1, a kind of physical uplink control channel resource collocation method is characterized in that, comprising:
The semi-static affirmation of inquiry expression/negate ACK/NACK and the resource reservation of dispatch request indication SRI and first resource table of operating position, and the resource reservation of expression channel quality information CQI and second resource table of operating position;
According to first resource table and second resource table, untapped resource quantity is greater than first preset value and the first quantity sum in described semi-static ACK/NACK and SRI reserved resource, and when untapped resource quantity is greater than first preset value and the second quantity sum in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced by second quantity;
When described semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or when untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, described CQI reserved resource is increased by the 4th quantity, wherein, the resource quantity used of described semi-static ACK/NACK and SRI, the resource quantity that described CQI has used, described the 3rd quantity and described the 4th quantity sum are less than or equal to the resource sum that can keep for semi-static ACK/NACK and SRI and CQI in the Physical Uplink Control Channel PUCCH resource.
2, method according to claim 1 is characterized in that, described first preset value is the reservation number of subchannels that sets in advance
Figure A200810178379C00021
Untapped resource quantity is specially greater than first preset value and the first quantity sum in described semi-static ACK/NACK and the SRI reserved resource: N unused _ channel Format 1 > Δ N PUCCH ( 1 ) + N channel Reserved ;
Untapped resource quantity is specially greater than first preset value and the second quantity sum in the described CQI reserved resource: N unused _ channel Format 2 > Δ N × 12 + N channel Reserved ;
Wherein,
Figure A200810178379C00024
Be to be untapped number of subchannels in the subchannel of semi-static ACK/NACK and SRI reservation in first resource table,
Figure A200810178379C00025
Be number of subchannels as first quantity,
Figure A200810178379C00031
Be to be untapped number of subchannels in the CQI reserved resource piece number in second resource table, Δ N is the number of resource blocks as second quantity.
3, method according to claim 1 and 2 is characterized in that, also comprises:
According to the communication system bandwidth, can keep for the resource of semi-static ACK/NACK and SRI and CQI to be divided into a plurality of resource allocation grades in this PUCCH resource, the different corresponding different resources of keeping for semi-static ACK/NACK and SRI and CQI of each resource allocation grade;
Then described first resource table is represented resource reservation and the operating position of semi-static ACK/NACK and SRI under the current resource allocation grade, and described second resource table is represented resource reservation and the operating position of CQI under the current resource allocation grade;
Described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced by second quantity to be specially: the resource that described semi-static ACK/NACK and SRI and CQI reserved resource under the described current resource allocation grade is reduced to the less adjacent resource allocation grade of corresponding reserved resource respectively, described first quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under the number of subchannels difference reserved for semi-static ACK/NACK and SRI, described second quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under count difference for CQI reserved resource piece;
Described semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, described CQI reserved resource is increased by the 4th quantity to be specially: the resource that described semi-static ACK/NACK and SRI and CQI reserved resource under the described current resource allocation grade is increased to the more adjacent resource allocation grade of corresponding reserved resource respectively, described the 3rd quantity is to be the number of subchannels difference of semi-static ACK/NACK and SRI reservation under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade, and described the 4th quantity is to count difference for CQI reserved resource piece under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade.
4, method according to claim 3, it is characterized in that, with being reduced to the resource of the less adjacent resource allocation grade of corresponding reserved resource respectively for described semi-static ACK/NACK and SRI and CQI reserved resource under the described current resource allocation grade or increasing to after the resource of the more adjacent resource allocation grade of corresponding reserved resource, also comprise: the corresponding less or more adjacent resource allocation grade of corresponding reserved resource that is adjusted into of the current resource allocation grade that described first resource table is corresponding with described second resource table.
5, method according to claim 1 and 2, it is characterized in that, described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced after second quantity, or described semi-static ACK/NACK and SRI reserved resource increased by the 3rd quantity, described CQI reserved resource is increased after the 4th quantity, also comprise: the distribution condition that issues the PUCCH resource by system message.
6, method according to claim 1 and 2, it is characterized in that, also comprise: according to semi-static ACK/NACK and SRI the operating position of reserved resource is upgraded described first resource table, and the operating position of reserved resource is upgraded described second resource table according to CQI.
7, a kind of physical uplink control channel resource inking device is characterized in that, comprising:
Memory module is used for the resource reservation of semi-static ACK/NACK of storage representation and SRI and first resource table and the resource reservation of expression CQI and second resource table of operating position of operating position;
Enquiry module is used for inquiring about first resource table and second resource table that described memory module is stored;
Analysis module, be used for Query Result according to described enquiry module, whether analyze in described semi-static ACK/NACK and the SRI reserved resource untapped resource quantity greater than first preset value and the first quantity sum, and in the described CQI reserved resource untapped resource quantity whether greater than first preset value and the second quantity sum, perhaps, whether described semi-static ACK/NACK and SRI reserved resource occupancy be greater than second preset value, perhaps, whether untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource;
Adjusting module, be used for analysis result according to described analysis module, described semi-static ACK/NACK and SRI and CQI reserved resource are adjusted, when untapped resource quantity in described semi-static ACK/NACK and the SRI reserved resource greater than first preset value and the first quantity sum and described CQI reserved resource in untapped resource quantity during greater than first preset value and the second quantity sum, described semi-static ACK/NACK and SRI reserved resource are reduced by first quantity, described CQI reserved resource is reduced by second quantity;
When described semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or when untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource, described semi-static ACK/NACK and SRI reserved resource are increased by the 3rd quantity, described CQI reserved resource is increased by the 4th quantity, wherein, the resource quantity used of described semi-static ACK/NACK and SRI, the resource quantity that described CQI has used, described the 3rd quantity and described the 4th quantity sum are less than or equal to the resource sum that can keep for semi-static ACK/NACK and SRI and CQI in the communication system PUCCH resource.
8, device according to claim 7 is characterized in that, also comprises update module;
Described memory module also is used to store the described first resource table current resource allocation grade corresponding with described second resource table, can keep for the resource of semi-static ACK/NACK and SRI and CQI in the described PUCCH resource, by being divided into a plurality of resource allocation grades according to described communication system bandwidth, different resource allocation grades is corresponding different keeps for semi-static ACK/NACK and SRI and CQI resource;
Analysis result according to described analysis module, when untapped resource quantity in described semi-static ACK/NACK and the SRI reserved resource greater than first preset value and the first quantity sum and be when untapped resource quantity is greater than first preset value and the second quantity sum in the described CQI reserved resource, described adjusting module will under the described current resource allocation grade be the resource that described semi-static ACK/NACK and SRI and CQI reserved resource are reduced to the less adjacent resource allocation grade of corresponding reserved resource respectively, described first quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under the number of subchannels difference reserved for semi-static ACK/NACK and SRI, described second quantity be current resource allocation grade with the less adjacent resource allocation grade of corresponding reserved resource under count difference for CQI reserved resource piece;
When described semi-static ACK/NACK and SRI reserved resource occupancy greater than second preset value, or be when untapped resource quantity is less than or equal to the 3rd preset value in the described CQI reserved resource, described adjusting module will under the described current resource allocation grade be the resource that described semi-static ACK/NACK and SRI and CQI reserved resource increase to the more adjacent resource allocation grade of corresponding reserved resource respectively, described the 3rd quantity is to be the number of subchannels difference of semi-static ACK/NACK and SRI reservation under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade, and described the 4th quantity is to count difference for CQI reserved resource piece under more adjacent resource allocation grade of corresponding reserved resource and the current resource allocation grade;
Described update module, be used for according to the adjustment result of described adjusting module the resource allocation grade, the corresponding less or more adjacent resource allocation grade of corresponding reserved resource that is adjusted into of the current resource allocation grade that described first resource table is corresponding with described second resource table, and the operating position of reserved resource is upgraded described first resource table, and the operating position of reserved resource is upgraded described second resource table according to CQI according to semi-static ACK/NACK and SR.
9, a kind of base station, it is characterized in that, comprise claim 7 or 8 described physical uplink control channel resource inking devices, also comprise Service Processing Module, be used for issuing the distribution condition of Physical Uplink Control Channel PUCCH resource by system message according to the adjustment result of described device adjusting module to the PUCCH resource.
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