CN105846974A

CN105846974A - Method and device for configuring control channel resources

Info

Publication number: CN105846974A
Application number: CN201510014412.5A
Authority: CN
Inventors: 顾蔚
Original assignee: China Mobile Group Shanghai Co Ltd
Current assignee: China Mobile Group Shanghai Co Ltd
Priority date: 2015-01-12
Filing date: 2015-01-12
Publication date: 2016-08-10
Anticipated expiration: 2035-01-12
Also published as: CN105846974B

Abstract

The invention discloses a method and a device for configuring control channel resources, for solving the problem that in the prior art a base station determines a CCE aggregation degree of each piece of DCI according to a broadband CQI reported by a terminal, and thus the determined CCE aggregation degree is imprecise. The method provided by the invention comprises the steps of determining the CCE aggregation degree corresponding to the terminal according to the DCI of the terminal aiming at the terminal needing to be scheduled in a current TTI; according to a preset correspondence between the CQI and a coding rate, determining the coding rate corresponding to the CQI of a specific sub-band of the terminal; according to the determined coding rate of the terminal, adjusting the CCE aggregation degree corresponding to the terminal; and after adjusting the CCE aggregation degree corresponding to each terminal needing to be scheduled in the current TTI, configuring control channel resources for each terminal according to the adjusted CCE aggregation degree corresponding to each terminal. By using the method provided by the invention, the adjusted CCE aggregation degree is more precise.

Description

A kind of method and apparatus configuring control channel resource

Technical field

The present invention relates to wireless communication technology field, particularly to a kind of configure control channel resource method and Equipment.

Background technology

PDCCH (Physical Downlink Control Channel, physical down currently for base station Control channel) configuration of symbolic number, it is to carry out global configuration when opening station according to unified template, all The configuration of base station is the most consistent, or only simply distinguishes base station by urban district, suburb, after distinguishing The differently configured PDCCH symbolic number in base station.

When the terminal under base station needs to be scheduling, the width of the terminal to report that base station is scheduling as required Band CQI (Channel Quality Indicator, channel quality indicates) determines every DCI (Downlink Control Information, Downlink Control Information) CCE (Control Channel Element controls Channel Elements) degree of polymerization, wherein, the CCE degree of polymerization includes: 1,2,4 and 8, after base station is according to determining The CCE degree of polymerization be need be scheduling terminal configuration control channel resource, terminal according to base station configure Control channel resource be scheduling.

In prior art, terminal, when indicating to base station reporting channel quality, only carrys out generation with a CQI numerical value The channel quality instruction of all subbands in the whole bandwidth of table, terminal either uses the broadband CQI of maximum still Minimum bandwidth CQI reports, and bandwidth CQI that base station finally gives all can not reflect terminal really And the relation of the channel quality instruction of each subband between base station, thus base station is according to the broadband CQI of terminal to report Determine the CCE degree of polymerization of every DCI, determined by CCE degree of polymerization inaccuracy.

In sum, current base station determines the CCE of every DCI according to the broadband CQI of terminal to report The degree of polymerization, determined by CCE degree of polymerization inaccuracy.

Summary of the invention

The present invention provides a kind of method and apparatus configuring and controlling channel resource, deposits in order to solving in prior art Base station determine the CCE degree of polymerization of every DCI according to the broadband CQI of terminal to report, determined by The coarse problem of the CCE degree of polymerization.

The embodiment of the present invention provides a kind of method configuring and controlling channel resource, including:

For needing a terminal being scheduling in currently transmitted time interval TTI, according to described terminal Downlink Control Information DCI, determines the control Channel Elements CCE degree of polymerization that described terminal is corresponding；

According to the channel quality indicator (CQI) pre-set and the corresponding relation of code rate, determine described terminal The code rate corresponding for CQI of particular sub-band, wherein said particular sub-band is the institute from described terminal to report There is the subband selected in all subbands corresponding for subband CQI；

According to the described code rate of the described terminal determined, the CCE degree of polymerization that described terminal is corresponding is entered Row sum-equal matrix；

After the CCE degree of polymerization needing each terminal being scheduling corresponding in current TTI is adjusted, According to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, control letter for the configuration of described each terminal Road resource.

Owing to the embodiment of the present invention is at the DCI according to terminal, after determining the CCE degree of polymerization that this terminal is corresponding, The code rate that this terminal is corresponding can be determined according to the CQI of the particular sub-band of terminal to report, and according to determining The CCE degree of polymerization is adjusted by code rate, and wherein, the CQI of particular sub-band reflects base station really The relation indicated with the channel quality of each subband so that the CCE degree of polymerization after adjustment is more accurate.

It is preferred that determine the particular sub-band of described terminal according to following manner:

Jamming power, each to described terminal to report is received according to the Physical Resource Block PRB granularity measured The CQI of subband is modified；

According to revised CQI and the particular sub-band of fixed other-end, from described terminal to report The subband selected in all subbands that all subband CQI are corresponding is as the particular sub-band of described terminal.

Owing to the embodiment of the present invention receives jamming power, every to terminal to report according to the PRB granularity measured The CQI of individual subband is modified so that revised subband CQI more can reflect base station and each son really The relation of the channel quality instruction of band, and according to the particular sub-band of fixed other-end, from terminal institute Have in subband and select one as particular sub-band so that the particular sub-band of selection is preferably subband.

It is preferred that according to the described code rate of the described terminal determined, the CCE corresponding to described terminal The degree of polymerization is adjusted, including:

According to the described code rate of the described terminal determined, determine modulation coding mode MCS, according to really Fixed described MCS determines modulating mode；

According to the described modulating mode determined, the CCE degree of polymerization that described terminal is corresponding is adjusted.

Owing to the embodiment of the present invention determines MCS according to the code rate of terminal, further according to determining that MCS determines Modulating mode, in order to carry out the adjustment of the CCE degree of polymerization according to modulating mode.

It is preferred that according to the CCE degree of polymerization corresponding to described each terminal after adjusting, for described each end End configuration controls channel resource, including:

If the described CCE degree of polymerization is the up CCE degree of polymerization, corresponding according to the described each terminal after adjusting The up CCE degree of polymerization and up CCE sum, after determining up CCE quantity full configuration, for described Each terminal collocating uplink controls channel resource；Or

If the described CCE degree of polymerization is the descending CCE degree of polymerization, corresponding according to the described each terminal after adjusting The descending CCE degree of polymerization and descending CCE sum, after determining descending CCE quantity full configuration, for described Each terminal configurating downlink controls channel resource.

It is preferred that the CCE degree of polymerization needing each terminal being scheduling corresponding in current TTI is entered After Row sum-equal matrix, according to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, for described each terminal Before configuration controls channel resource, also include:

If the described CCE degree of polymerization is the up CCE degree of polymerization, need to be scheduling in current TTI After the up CCE degree of polymerization corresponding to each terminal is adjusted, if up CCE quantity does not has full configuration, then The up CCE degree of polymerization that part or all of terminal is corresponding is adjusted, until full configuration；

If the described CCE degree of polymerization is the descending CCE degree of polymerization, need to be scheduling in current TTI After the descending CCE degree of polymerization corresponding to each terminal is adjusted, if descending CCE quantity does not has full configuration, then The descending CCE degree of polymerization that part or all of terminal is corresponding is adjusted, until full configuration.

After the embodiment of the present invention CCE degree of polymerization after being adjusted, up CCE quantity or under During row CCE quantity not full configuration, again the CCE degree of polymerization after partly or entirely adjusting is adjusted, Reach to promote the purpose of CCE degree of polymerization grade so that CCE can be effectively utilized.

It is preferred that determine that the total and described descending CCE of described up CCE is total according to following manner:

According to CCE quantitative range and the corresponding relation of physical downlink control channel PDCCH symbol quantity, really The PDCCH symbol quantity that fixed CCE quantitative range belonging to initial CCE sum is corresponding；

According to the currently active terminal quantity, the terminal quantity of specific activation and the PDCCH symbol determined Count amount, determines the 2nd PDCCH symbol quantity, and the terminal quantity of wherein said specific activation is according to industry In business model, busy access customer number activates what the terminal quantity comparing and being currently accessed determined；

According to CCE quantitative range and the corresponding relation of PDCCH symbol quantity, and other chains of command take Resource Unit RE situation, determines the CCE quantity that the 2nd PDCCH symbol quantity is corresponding；

Use according to the busy up-downgoing PDCCH CCE in the CCE quantity determined and described business model Accounting, determines described up CCE total and described descending CCE sum.

It is preferred that determine that initial CCE is total according to following manner:

Ratio and the terminal quantity being currently accessed is activated, really according to the busy access customer number in described business model The terminal quantity of fixed described specific activation；

According to number of users accounting and the terminal quantity of described specific activation under the different CCE degree of polymerization, determine not With the terminal quantity activated under the CCE degree of polymerization；

According to the terminal quantity activated under the different CCE degree of polymerization, determine initial CCE sum.

It is preferred that according to the currently active terminal quantity, the terminal quantity of specific activation and determine first PDCCH symbol quantity, determines the 2nd PDCCH symbol quantity, including:

According to the currently active terminal quantity and the terminal quantity of specific activation, it may be judged whether need determining Oneth PDCCH symbol quantity is adjusted；

A PDCCH symbol quantity after the most then adjusting is as the 2nd PDCCH symbol quantity；

Otherwise, using the PDCCH symbol quantity that determines as the 2nd PDCCH symbol quantity.

It is preferred that according to the currently active terminal quantity and the terminal quantity of specific activation, it may be judged whether need The PDCCH symbol quantity determined is adjusted, including:

If the currently active terminal quantity is more than the terminal quantity of specific activation, and a described PDCCH symbol Count amount is between set symbol count weight range, it is determined that need the PDCCH symbol quantity determined It is adjusted；Or

If the currently active terminal quantity is not more than the terminal quantity of specific activation, and previous T TI user handles up Rate is not more than the busy in described business model and often activates user's throughput, and a described PDCCH symbol Quantity is between set symbol count weight range, it is determined that need to adjust the PDCCH symbol quantity determined Whole.

Owing to a PDCCH symbol quantity can be adjusted by the embodiment of the present invention so that after adjustment The control resource that PDCCH symbol quantity is provided preferably meets current demand.

It is preferred that the PDCCH symbol quantity determined is adjusted, including:

If the currently active terminal quantity is more than the terminal quantity of specific activation, and a described PDCCH symbol Count amount between set symbol count weight range, then adjusts step value according to symbol quantity, increases described first PDCCH symbol quantity；Or

If the currently active terminal quantity is not more than the terminal quantity of specific activation, and previous T TI user handles up Rate is not more than the busy in described business model and often activates user's throughput, and a described PDCCH symbol Quantity, between set symbol count weight range, adjusts step value according to symbol quantity, reduces described first PDCCH symbol quantity.

The control resource provided at a PDCCH symbol quantity due to the embodiment of the present invention can not meet currently Demand time, a PDCCH symbol quantity can be carried out increase operation so that adding PDCCH After symbolic number, the control resource provided can meet current demand；Carry at a PDCCH symbol quantity The control resource of confession can meet current demand, but the control resource that a PDCCH symbol quantity provides is not When can be fully used, can carry out a PDCCH symbol quantity reducing operation, by release part control Channel resource processed increases traffic channel resource, and then promotes service rate.

It is preferred that according to the CCE degree of polymerization corresponding to described each terminal after adjusting, for described each end Before end configuration controls channel resource, also include:

For needing a terminal being scheduling in current TTI, according to particular sub-band and the tune of described terminal The CCE degree of polymerization after whole, and the CCE polymerization of the other-end identical with the particular sub-band of described terminal Degree, determines the described terminal distribution original position in particular sub-band；

According to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, for the configuration control of described each terminal Channel resource processed, including:

According to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, and the described each end determined Hold the distribution original position in particular sub-band, control channel resource for the configuration of described each terminal.

It is preferred that according to following manner determine described busy up-downgoing PDCCH CCE use accounting:

Use accounting and busy up according to the descending PDCCH CCE of the busy in described business model PDCCH CCE uses accounting to determine, and described busy up-downgoing PDCCH CCE uses accounting.

The embodiment of the present invention provides a kind of equipment configuring and controlling channel resource, including:

First determines module, for for needing end being scheduling in currently transmitted time interval TTI End, according to the Downlink Control Information DCI of described terminal, determines the control Channel Elements that described terminal is corresponding The CCE degree of polymerization；

Second determines module, for according to the channel quality indicator (CQI) pre-set and the correspondence of code rate Relation, determines code rate corresponding to the CQI of the particular sub-band of described terminal, and wherein said particular sub-band is The subband selected from all subbands that all subband CQI of described terminal to report are corresponding；

Adjusting module is for the described code rate according to the described terminal determined, corresponding to described terminal The CCE degree of polymerization is adjusted；

Configuration module, gathers for the CCE needing each terminal being scheduling corresponding in current TTI Right be adjusted after, according to the CCE degree of polymerization corresponding to described each terminal after adjusting, for described often The configuration of individual terminal controls channel resource.

It is preferred that described second determines that module is additionally operable to:

It is preferred that described adjusting module specifically for:

It is preferred that described configuration module specifically for:

It is preferred that described configuration module is additionally operable to:

It is preferred that described configuration module specifically for:

Described configuration module specifically for:

Accompanying drawing explanation

Fig. 1 is the method flow schematic diagram that the embodiment of the present invention one configuration controls channel resource；

Fig. 2 is the particular sub-band schematic diagram of the embodiment of the present invention two terminal 1, terminal 2 and terminal 3；

Fig. 3 is the particular sub-band schematic diagram of the embodiment of the present invention three terminal 1, terminal 2 and terminal 3；

Fig. 4 is that the embodiment of the present invention four CCE quantity distributes schematic diagram；

Fig. 5 is that the embodiment of the present invention five CCE quantity distributes schematic diagram；

Fig. 6 be the embodiment of the present invention six be the distribution original position schematic diagram determining terminal 3 in particular sub-band；

Fig. 7 is the method flow schematic diagram that the embodiment of the present invention seven configuration controls channel resource；

Fig. 8 is the device structure schematic diagram that the embodiment of the present invention eight configuration controls channel resource.

Detailed description of the invention

The embodiment of the present invention is for current TTI (Transmission Time Interval, transmission time interval) The terminal that interior needs are scheduling, according to the DCI of described terminal, determines the CCE that described terminal is corresponding The degree of polymerization；According to the CQI pre-set and the corresponding relation of code rate, determine the specific son of described terminal The code rate corresponding for CQI of band, wherein said particular sub-band is all subbands from described terminal to report The subband selected in all subbands that CQI is corresponding；Described coding speed according to the described terminal determined Rate, is adjusted the CCE degree of polymerization that described terminal is corresponding；Need to be scheduling in current TTI The CCE degree of polymerization corresponding to each terminal be adjusted after, corresponding according to the described each terminal after adjusting The CCE degree of polymerization, for described each terminal configuration control channel resource.Owing to the embodiment of the present invention is at root According to the DCI of terminal, after determining the CCE degree of polymerization that this terminal is corresponding, can be according to the specific son of terminal to report The CQI of band determines the code rate that this terminal is corresponding, and according to the code rate determined to the CCE degree of polymerization Being adjusted, wherein, the CQI of particular sub-band reflects the channel quality instruction of base station and each subband really Relation so that the CCE degree of polymerization after adjustment is more accurate.

Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.

As it is shown in figure 1, the method that the embodiment of the present invention one configuration controls channel resource includes:

Step 100, for needing a terminal being scheduling in current TTI, according to the DCI of described terminal, Determine the CCE degree of polymerization that described terminal is corresponding；

Step 101, according to the CQI that pre-sets and the corresponding relation of code rate, determine described terminal The code rate corresponding for CQI of particular sub-band, wherein said particular sub-band is owning from described terminal to report The subband selected in all subbands that subband CQI is corresponding；

Step 102, described code rate according to the described terminal determined, the CCE corresponding to described terminal The degree of polymerization is adjusted；

Step 103, the CCE degree of polymerization needing each terminal being scheduling corresponding in current TTI are entered After Row sum-equal matrix, according to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, for described each terminal Configuration controls channel resource.

Embodiment of the present invention TTI can obtain according to emulation, it is also possible to is rule of thumb set.

When the embodiment of the present invention has multiple terminal to need to be scheduling in current TTI, can be according to following side Formula is multiple terminal profile priority, in order to be followed successively by each terminal distribution control according to the priority orders of terminal Channel resource processed:

Mode one: the sequencing initiating to obtain control channel resources request according to terminal is each terminal profile One priority, is the most first that the terminal distribution that priority is high controls channel resource.

Such as: terminal 1, terminal 2, terminal 3, terminal 4 and terminal 5 initiate to obtain control channel resource please The order asked is terminal 4, terminal 2, terminal 3, terminal 5 and terminal 1, is the most first that terminal 4 distribution controls Channel resource, is followed successively by terminal 2, terminal 3, terminal 5 and terminal 1 distribution and controls channel resource.

Mode two: initiate to obtain the sequencing of control channel resources request, and terminal request according to terminal QCI (QoS Class Identifier, QoS (Quality of Service, quality of service) the grade mark of business Know) it is one priority of each terminal profile, it is the most first the terminal distribution that priority is high controls channel resource.

Such as: terminal 1, terminal 2, terminal 3, terminal 4 and terminal 5 initiate to obtain control channel resource please The order asked is: terminal 4, terminal 2, terminal 3, terminal 5 and terminal 1, and terminal request business The order of QCI grade is: terminal 3, terminal 2, terminal 1, terminal 4 and the QCI of terminal 5 requested service, QCI grade according to initiating to obtain the order and requested service that control channel resources request determines, is first terminal 3 distribution control channel resource, are followed successively by terminal 2, terminal 4, terminal 1 and terminal 5 distribution and control channel money Source.

The embodiment of the present invention, after receiving all subband CQI of terminal to report, can therefrom select a subband As the particular sub-band of terminal, the particular sub-band mode of concrete determination terminal is:

Interference merit is received according to PRB (Physical Resource Block, the Physical Resource Block) granularity measured Rate, is modified the CQI of each subband of described terminal to report；

Such as: in the system of 20M bandwidth, in 4 subbands that terminal 1 reports, each subband comprises 8 Individual continuous print PRB.8 PRB granularities of 8 measurements corresponding for continuous print PRB in acquisition subband 1 Receive the arithmetic mean of instantaneous value 1 of jamming power, as the reception jamming power 1 of subband 1, and according to connecing Receive jamming power 1 to be weighted the CQI of subband 1 revising；Obtain 8 continuous print PRB in subband 2 8 PRB granularities of corresponding measurement receive the arithmetic mean of instantaneous value 2 of jamming power, as subband 2 Receive jamming power 2, and be weighted the CQI of subband 2 revising according to receiving jamming power 2；Obtain 8 PRB granularities of 8 measurements corresponding for continuous print PRB in subband 3 receive the arithmetic of jamming power Meansigma methods 3, as the reception jamming power 3 of subband 3, and according to receiving jamming power 3 to subband 3 CQI be weighted revise；8 PRB of 8 measurements corresponding for continuous print PRB in acquisition subband 4 Granularity receives the arithmetic mean of instantaneous value 4 of jamming power, as the reception jamming power 4 of subband 4, and root It is weighted the CQI of subband 4 revising according to receiving jamming power 4.The most with good grounds revised subband 1, Subband 2, subband 3, subband 4 and the particular sub-band of fixed other-end, therefrom select subband 3 to make Particular sub-band for terminal 1.

Embodiment of the present invention terminal is according to revising the specific of the subband after CQI and fixed other-end Subband, the subband selected from all subbands that all subband CQI of terminal to report are corresponding is as terminal Particular sub-band, selected particular sub-band be probably optimum subband, it is also possible to the subband of suboptimum.

The embodiment of the present invention can use following manner to determine whether, and terminal selects suboptimum subband as specific Subband:

Mode one:

For each setting subbands one can using this subband as the first terminal quantity of the particular sub-band of terminal, when Be one terminal select particular sub-band time, if the optimum subband of this terminal by other terminal as specific son Band, and this subband has been reached as the terminal quantity of particular sub-band the first terminal number of this setting subbands Amount, then select suboptimum subband as particular sub-band for this terminal.

As in figure 2 it is shown, be the particular sub-band signal of the embodiment of the present invention two terminal 1, terminal 2 and terminal 3 Figure, understands from Fig. 2, and the subband that terminal 1 reports is subband 1, subband 2 and subband 3, in terminal 2 The subband of report is subband 2, subband 3 and subband 4, and the subband that terminal 3 reports is subband 3, subband 4 and son Band 5.3 sub-bands that terminal 1 is reported by the numerical value according to CQI according to descending order are ranked up, Subband CQI order after sequence is: subband 3, subband 1 and subband 2；Numerical value according to CQI according to from Big 3 the sub-bands reported terminal 2 to little order are ranked up, and the subband CQI order after sequence is: son Band 3, subband 2 and subband 4；Numerical value according to CQI according to descending order, terminal 3 is reported 3 Height band is ranked up, and the subband CQI order after sequence is: subband 3, subband 4 and subband 5.Understand, The optimum subband of three terminals is subband 3, but subband 3 already is allocated to terminal 1 and terminal 2 is made For particular sub-band, and the first terminal quantity of now subband 3 is 2, and therefore, terminal 3 is by the subband of suboptimum 4 as particular sub-band, and wherein, subband 4 is not assigned to any terminal.

Mode two:

For one PRB numerical value of each setting subbands, when selecting particular sub-band for a terminal, if This terminal when optimum subband residue PRB number less than a PRB numerical value time, then for this terminal choosing Select suboptimum subband as particular sub-band.

As it is shown on figure 3, be the particular sub-band signal of the embodiment of the present invention three terminal 1, terminal 2 and terminal 3 Figure, understands from Fig. 3, and the subband that terminal 1 reports is subband 1, subband 2 and subband 3, in terminal 2 The subband of report is subband 2, subband 3 and subband 4, and the subband that terminal 3 reports is subband 3, subband 4 and son Band 5.3 sub-bands that terminal 1 is reported by the numerical value according to CQI according to descending order are ranked up, Subband CQI order after sequence is: subband 3, subband 1 and subband 2；Numerical value according to CQI according to from Big 3 the sub-bands reported terminal 2 to little order are ranked up, and the subband CQI order after sequence is: son Band 3, subband 2 and subband 4；Numerical value according to CQI according to descending order, terminal 3 is reported 3 Height band is ranked up, and the subband CQI order after sequence is: subband 3, subband 4 and subband 5.Understand, The optimum subband of three terminals is subband 3, and PRB numerical value of the oneth of subband 3 is 2, now subband 3 It already is allocated to terminal 1 and terminal 2 as particular sub-band, and the residue PRB number of now subband 3 Be 1, less than a PRB numerical value, therefore, terminal 3 using the subband 4 of suboptimum as particular sub-band, its In, the residue PRB number of subband 4 is 4, more than a PRB numerical value 2 of subband 4.

The CCE degree of polymerization that terminal is corresponding, according to the code rate of the terminal determined, is entered by the embodiment of the present invention The concrete mode of Row sum-equal matrix is:

According to the described code rate of the described terminal determined, determine MCS (Modulation and coding Scheme, modulation coding mode), according to determining that described MCS determines modulating mode；

The embodiment of the present invention when terminal initiate obtain uplink control channel resource request time, the CCE that terminal is corresponding The degree of polymerization is the up CCE degree of polymerization, when terminal initiates to obtain down control channel resources request, and terminal The corresponding CCE degree of polymerization is the descending CCE degree of polymerization, the concrete difference according to the CCE degree of polymerization, for The implementation that terminal configuration controls channel resource is also different:

Mode one: when terminal initiates to obtain uplink control channel resource request, CCE corresponding to terminal gathers Right for the up CCE degree of polymerization；

If the described CCE degree of polymerization is the up CCE degree of polymerization, corresponding according to the described each terminal after adjusting The up CCE degree of polymerization and up CCE sum, after determining up CCE quantity full configuration, for described Each terminal collocating uplink controls channel resource；

The embodiment of the present invention up CCE quantity full configuration refers to: up CCE quantity was fully assigned to end Hold, or up CCE quantity is partly distributed to terminal, and unassigned up CCE quantity can not continue Continue and be assigned to terminal.

The CCE that the embodiment of the present invention needs each terminal being scheduling corresponding in current TTI is polymerized After degree is adjusted, when CCE quantity does not has full configuration, can be to corresponding upper of part or all of terminal The row CCE degree of polymerization is adjusted, until full configuration, concrete implementation mode is:

Mode two: when terminal initiates to obtain down control channel resources request, CCE corresponding to terminal gathers Right for the descending CCE degree of polymerization；

The embodiment of the present invention descending CCE quantity full configuration refers to: descending CCE quantity was fully assigned to end Hold, or descending CCE quantity is partly distributed to terminal, and unassigned descending CCE quantity can not continue Continue and be assigned to terminal.

The CCE that the embodiment of the present invention needs each terminal being scheduling corresponding in current TTI is polymerized Degree be adjusted after, when CCE quantity does not has full configuration, can to part or all of terminal corresponding under The row CCE degree of polymerization is adjusted, until full configuration, concrete implementation mode is:

The embodiment of the present invention is not when up CCE quantity or descending CCE quantity have full configuration, to part or complete The up CCE degree of polymerization or the descending CCE degree of polymerization that portion's terminal is corresponding are adjusted, if the CCE degree of polymerization During off grade, can be adjusted according to upper Row sum-equal matrix step value or lower Row sum-equal matrix step value, until full configuration, Wherein go up Row sum-equal matrix step value or lower Row sum-equal matrix step value can obtain according to emulation, it is also possible to rule of thumb enter Row sets；If the CCE degree of polymerization is the CCE degree of polymerization of the prior art, then the CCE degree of polymerization has grade, And the CCE degree of polymerization is 1,2,4,8, the CCE degree of polymerization be the number of 1 expression CCE be 1, CCE The degree of polymerization be the number of 2 expression CCE be 2, the CCE degree of polymerization be the number of 4 expression CCE be 4, CCE The degree of polymerization be the number of 8 expression CCE be 8, when the up CCE degree of polymerization or the descending CCE degree of polymerization are entered During Row sum-equal matrix, it is only necessary to the up adjustment of one-level one-level, until full configuration.

As shown in Figure 4, the embodiment of the present invention four CCE quantity distribution schematic diagram, as can be known from Fig. 4, eventually End 1 is assigned No. 1 CCE to No. 4 CCE, and terminal 2 is assigned No. 5 CCE to the 6th Number CCE, terminal 3 is assigned No. 7 CCE, CCE quantity and is fully assigned to terminal, CCE Quantity full configuration.

As it is shown in figure 5, the embodiment of the present invention five CCE quantity distribution schematic diagram, as can be known from Fig. 5, eventually End 1 is assigned No. 1 CCE to No. 4 CCE, and terminal 2 is assigned No. 5 CCE to the 6th Number CCE, but No. 7 CCE is unassigned.

Such as: in Figure 5, if CCE degree of polymerization off grade, No. 7 CCE can be distributed to terminal 2, after distribution, CCE quantity full configuration.

The most such as: in Figure 5, if the CCE degree of polymerization has grade, now the CCE degree of polymerization of terminal 2 is 2, the next grade of the CCE degree of polymerization of terminal 2 is 4, therefore No. 7 CCE can not be distributed to end End 2, now CCE quantity full configuration.

The embodiment of the present invention determines that the mode of up CCE total and descending CCE sum is:

According to CCE quantitative range and the corresponding relation of PDCCH symbol quantity, determine initial CCE sum The PDCCH symbol quantity that affiliated CCE quantitative range is corresponding；

The embodiment of the present invention determines that the mode of initial CCE sum is:

Such as: the terminal quantity being currently accessed is 60, busy access customer number activation ratio is 1:3, then special The fixed terminal quantity activated is 20.Now under the different CCE degree of polymerization, number of users accounting is 10%:35%: 45%:10%, then the CCE degree of polymerization be the terminal quantity of specific activation of 1 be 2, the CCE degree of polymerization is 2 The terminal quantity of specific activation be 7, the CCE degree of polymerization be the terminal quantity of the specific activation of 4 be 9, CCE The degree of polymerization be the terminal quantity of the specific activation of 8 be 2.The CCE degree of polymerization is that the terminal of the specific activation of 1 needs The CCE number wanted is 2, the CCE degree of polymerization be the specific activation of 2 terminal need CCE number be 14, CCE The degree of polymerization be the specific activation of 4 terminal need CCE number be 36, the CCE degree of polymerization be 8 specific swash The CCE number that the terminal lived needs is 16, then initial CCE sum is 2+14+36+16=68.

The embodiment of the present invention concrete according to the currently active terminal quantity, the terminal quantity of specific activation and really A fixed PDCCH symbol quantity, determines that the implementation of the 2nd PDCCH symbol quantity is:

Such as: the currently active terminal quantity is more than the terminal quantity of specific activation, then to a PDCCH Symbol quantity is adjusted, and the PDCCH symbol quantity after adjusting is as the 2nd PDCCH symbol Quantity.

The most such as: the currently active terminal quantity is not more than the terminal quantity of specific activation, the most not to first PDCCH symbol quantity is adjusted, using a PDCCH symbol quantity as the 2nd PDCCH symbolic number Amount.

The embodiment of the present invention concrete according to the currently active terminal quantity and the terminal quantity of specific activation, sentence Break and the need of the judgment mode that the PDCCH symbol quantity determined is adjusted be:

Mode one:

Such as: the currently active terminal quantity is 50, the number of terminals of specific activation is 40, the currently active Terminal quantity is more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 3, sets Symbol quantity scope is 1～4, and a PDCCH symbol quantity is between set symbol count weight range, the most really The PDCCH symbol quantity determined is adjusted by fixed needs.

The most such as: the currently active terminal quantity is 50, the number of terminals of specific activation is 40, the currently active Terminal quantity more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 4, if Determining symbol quantity scope is 1～4, a PDCCH symbol quantity not between set symbol count weight range, Then determine that the PDCCH symbol quantity that need not determining is adjusted.

The implementation being adjusted a PDCCH symbol quantity that the embodiment of the present invention is concrete is:

Such as: the currently active terminal quantity is 50, the number of terminals of specific activation is 40, the currently active Terminal quantity is more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 3, sets Symbol quantity scope is 1～4, a PDCCH symbol quantity between set symbol count weight range, then root Adjust step value (1) according to symbol quantity, a PDCCH symbol quantity is adjusted to 4.

Mode two:

Such as: the currently active terminal quantity is 30, the number of terminals of specific activation is 40, the currently active Terminal quantity is not more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 3, if Determining symbol quantity scope is 1～4, and a PDCCH symbol quantity is between set symbol count weight range, then Determine that the PDCCH symbol quantity determined is adjusted by needs.

The most such as: the currently active terminal quantity is 30, the number of terminals of specific activation is 40, the currently active Terminal quantity be not more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 1, Set symbol count weight range is 1～4, a PDCCH symbol quantity not between set symbol count weight range, Then determine that the PDCCH symbol quantity that need not determining is adjusted.

Such as: the currently active terminal quantity is 30, the number of terminals of specific activation is 40, the currently active Terminal quantity is not more than the terminal quantity of specific activation, and now a PDCCH symbol quantity is 3, if Determining symbol quantity scope is 1～4, and a PDCCH symbol quantity is between set symbol count weight range, then Adjust step value (1) according to symbol quantity, a PDCCH symbol quantity is adjusted to 2.

The embodiment of the present invention after the CCE degree of polymerization corresponding to terminal is adjusted, the CCE after being adjusted The degree of polymerization, needs to determine the terminal distribution original position in particular sub-band according to the CCE degree of polymerization after adjusting, Concrete implementation mode is:

As shown in Figure 6, the embodiment of the present invention six is to determine that terminal 3 is shown in the distribution original position of particular sub-band Being intended to, as can be known from Fig. 6, the particular sub-band of terminal 3 is subband 1, and the CCE after the adjustment of terminal 3 gathers Right is 4, and the position 1 of subband 1 and position 2 are already allocated to terminal 1, then by the position of subband 1 3 as terminal 3 in the distribution original position of subband 1.

The mode of the determination busy up-downgoing PDCCH CCE use accounting that the embodiment of the present invention is concrete is:

As it is shown in fig. 7, the method that the embodiment of the present invention seven configuration controls channel resource includes:

Ratio and the end being currently accessed are activated according to the busy access customer number in business model in step 700, base station Terminal number amount, determines the terminal quantity of specific activation.

Step 701, base station are according to number of users accounting and the number of terminals of specific activation under the different CCE degree of polymerization Amount, determines the terminal quantity activated under the different CCE degree of polymerization, and activates according under the different CCE degree of polymerization Terminal quantity, determine initial CCE sum.

Step 702, base station, according to CCE quantitative range and the corresponding relation of PDCCH symbol quantity, determine The PDCCH symbol quantity that initial CCE quantitative range belonging to CCE sum is corresponding.

Step 703, every TTI base station judge whether the currently active terminal quantity is more than the terminal of specific activation Quantity, the most then perform step 707；If it is not, then perform step 704.

Step 704, base station judge whether previous T TI user's throughput often swashs more than the busy in business model Apply flexibly family throughput, the most then perform step 709；If it is not, then perform step 705.

Step 705, base station judge a PDCCH symbol quantity whether between set symbol count weight range, The most then perform step 706；If it is not, then perform step 709.

Step 706, base station adjust step value according to symbol quantity, reduce by a PDCCH symbol quantity, A PDCCH symbol quantity after adjusting, as the 2nd PDCCH symbol quantity, performs step 710.

Step 707, base station judge a PDCCH symbol quantity whether between set symbol count weight range, The most then perform step 708；If it is not, then perform step 709.

Step 708, base station adjust step value according to symbol quantity, increase by a PDCCH symbol quantity, A PDCCH symbol quantity after adjusting, as the 2nd PDCCH symbol quantity, performs step 710.

Oneth PDCCH symbol quantity as the 2nd PDCCH symbol quantity, is held by step 709, base station Row step 710.

Step 710, base station according to CCE quantitative range and the corresponding relation of PDCCH symbol quantity, and Other chains of command take Resource Unit RE situation, determine the CCE number that the 2nd PDCCH symbol quantity is corresponding Amount.

Step 711, base station are according to the busy up-downgoing PDCCH in the CCE quantity determined and business model CCE uses accounting, determines up CCE total and descending CCE sum.

In step 711, can according to the descending PDCCH CCE of the busy in business model use accounting and Busy up PDCCH CCE uses accounting to determine, and busy up-downgoing PDCCH CCE uses accounting.

Step 712, for needing a terminal being scheduling in current TTI, according to the DCI of terminal, Determine the CCE degree of polymerization that terminal is corresponding.

Step 713, according to the CQI that pre-sets and the corresponding relation of code rate, determine the specific of terminal The code rate corresponding for CQI of subband.

Step 714, code rate according to the terminal determined, adjust the CCE degree of polymerization that terminal is corresponding Whole.

Step 715, according to the particular sub-band of terminal and the CCE degree of polymerization after adjusting, and with the spy of terminal The CCE degree of polymerization of the other-end that stator strip is identical, determines the terminal distribution original position in particular sub-band.

Step 716, according to the CCE degree of polymerization corresponding to each terminal after adjusting, and each end determined Hold the distribution original position in particular sub-band, control channel resource for the configuration of each terminal.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of configuration and controls setting of channel resource Standby, owing to the method that the equipment of the configuration control channel resource of Fig. 8 is corresponding is that embodiment of the present invention configuration controls The method of channel resource, therefore the enforcement of embodiment of the present invention equipment may refer to the enforcement of system, repeats it Place repeats no more.

As shown in Figure 8, the equipment of the embodiment of the present invention eight configuration control channel resource includes:

First determines module 800, for for need in currently transmitted time interval TTI to be scheduling one Individual terminal, according to the Downlink Control Information DCI of described terminal, determines the control channel list that described terminal is corresponding Unit's CCE degree of polymerization；

Second determines module 801, for according to the channel quality indicator (CQI) that pre-sets and code rate Corresponding relation, determines code rate corresponding to the CQI of the particular sub-band of described terminal, wherein said specific son Band is the subband selected from all subbands that all subband CQI of described terminal to report are corresponding；

Adjusting module 802, for the described code rate according to the described terminal determined, to described terminal pair The CCE degree of polymerization answered is adjusted；

Configuration module 803, for needing CCE corresponding to each terminal of being scheduling in current TTI After the degree of polymerization is adjusted, according to the CCE degree of polymerization that the described each terminal after adjusting is corresponding, for described The configuration of each terminal controls channel resource.

It is preferred that described second determines that module 801 is additionally operable to:

It is preferred that described adjusting module 802 specifically for:

It is preferred that described configuration module 803 specifically for:

It is preferred that described configuration module 803 is additionally operable to:

It is preferred that described configuration module 803 specifically for:

Described configuration module specifically for:

In sum, owing to the embodiment of the present invention is at the DCI according to terminal, the CCE that this terminal is corresponding is determined After the degree of polymerization, can determine, according to the CQI of the particular sub-band of terminal to report, the code rate that this terminal is corresponding, and Being adjusted the CCE degree of polymerization according to the code rate determined, wherein, the CQI of particular sub-band is real Reflect the relation of base station and the channel quality instruction of each subband so that the CCE degree of polymerization after adjustment is more Accurately.

Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more Computer-usable storage medium containing computer usable program code (include but not limited to disk memory, CD-ROM, optical memory etc.) form of the upper computer program implemented.

The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart The function specified in flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, makes Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know base This creativeness concept, then can make other change and amendment to these embodiments.So, appended right is wanted Ask and be intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.

Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims

1. one kind configures the method controlling channel resource, it is characterised in that the method includes:

2. the method for claim 1, it is characterised in that the described specific son determining described terminal The method of band includes:

3. the method for claim 1, it is characterised in that according to the described terminal determined Code rate, is adjusted the CCE degree of polymerization that described terminal is corresponding, including:

4. the method for claim 1, it is characterised in that according to the described each terminal after adjusting The corresponding CCE degree of polymerization, controls channel resource for the configuration of described each terminal, including:

5. method as claimed in claim 4, it is characterised in that need to adjust in current TTI After the CCE degree of polymerization corresponding to each terminal of degree is adjusted, according to the described each terminal pair after adjusting The CCE degree of polymerization answered, before controlling channel resource for the configuration of described each terminal, also includes:

6. method as claimed in claim 4, it is characterised in that determine described up according to following manner CCE total and described descending CCE sum:

7. method as claimed in claim 6, it is characterised in that determine initial CCE according to following manner Sum:

8. method as claimed in claim 6, it is characterised in that according to the currently active terminal quantity, The terminal quantity of specific activation and the PDCCH symbol quantity determined, determine the 2nd PDCCH symbol Quantity, including:

9. method as claimed in claim 8, it is characterised in that according to the currently active terminal quantity and The terminal quantity of specific activation, it may be judged whether need the PDCCH symbol quantity determined is adjusted, Including:

10. method as claimed in claim 9, it is characterised in that to the PDCCH symbol determined Quantity is adjusted, including:

11. as arbitrary in claim 1～10 as described in method, it is characterised in that according to adjust after described in The CCE degree of polymerization that each terminal is corresponding, before controlling channel resource for the configuration of described each terminal, also wraps Include:

12. as arbitrary in claim 6～10 as described in method, it is characterised in that determine according to following manner Described busy up-downgoing PDCCH CCE uses accounting:

13. 1 kinds configure the equipment controlling channel resource, it is characterised in that this equipment includes:

14. equipment as claimed in claim 13, it is characterised in that described second determines that module is additionally operable to:

15. equipment as claimed in claim 13, it is characterised in that described adjusting module specifically for:

16. equipment as claimed in claim 13, it is characterised in that described configuration module specifically for:

17. equipment as claimed in claim 16, it is characterised in that described configuration module is additionally operable to:

18. equipment as claimed in claim 16, it is characterised in that described configuration module is additionally operable to:

According to CCE quantitative range and the corresponding relation of physical downlink control channel PDCCH symbol quantity, really The PDCCH symbol quantity that fixed CCE quantitative range belonging to initial CCE sum is corresponding；According to working as The terminal quantity of front activation, the terminal quantity of specific activation and the PDCCH symbol quantity determined, really Fixed 2nd PDCCH symbol quantity, the terminal quantity of wherein said specific activation is according to busy in business model Time access customer number activate than and the terminal quantity that is currently accessed determine；According to CCE quantitative range and The corresponding relation of PDCCH symbol quantity, and other chains of command take Resource Unit RE situation, determine The CCE quantity that 2nd PDCCH symbol quantity is corresponding；According to the CCE quantity determined and described business mould Busy up-downgoing PDCCH CCE in type uses accounting, determine described up CCE total and described under Row CCE sum.

19. equipment as claimed in claim 18, it is characterised in that described configuration module is additionally operable to:

Ratio and the terminal quantity being currently accessed is activated, really according to the busy access customer number in described business model The terminal quantity of fixed described specific activation；According to number of users accounting under the different CCE degree of polymerization and described specific The terminal quantity activated, determines the terminal quantity activated under the different CCE degree of polymerization；Gather according to different CCE The terminal quantity of right lower activation, determines initial CCE sum.

20. equipment as claimed in claim 18, it is characterised in that described configuration module specifically for:

21. equipment as claimed in claim 20, it is characterised in that described configuration module specifically for:

22. equipment as claimed in claim 21, it is characterised in that described configuration module specifically for:

23. as arbitrary in claim 13～22 as described in equipment, it is characterised in that described configuration module is also used In:

Described configuration module specifically for:

24. as arbitrary in claim 18～22 as described in equipment, it is characterised in that described configuration module is also used In: