CN105991263A

CN105991263A - Downlink control information (DCI) configuration and uplink data receiving method and device

Info

Publication number: CN105991263A
Application number: CN201510052459.0A
Authority: CN
Inventors: 杨维维; 戴博; 夏树强; 梁春丽
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2015-01-30
Filing date: 2015-01-30
Publication date: 2016-10-05
Anticipated expiration: 2035-01-30
Also published as: WO2016119455A1; CN105991263B

Abstract

The present invention discloses a downlink control information (DCI) configuration and uplink data receiving method and device. The DCI configuration method comprises: when supporting carrier wave aggregation of at most T carrier waves and configuring the carrier wave scheduling, employing one of the following modes to configure corresponding DCI for an aggregate service district: the mode 1: a carrier wave indication field (CIF) is set to be N bits, wherein N is equal to ceil (log2(T)), and N is a positive integer; the mode 2: the CIF is set to X bits, wherein X is an positive integer, and X is smaller than N; and the DCI corresponding to the service distinct is sent to the terminal. The problem is solved that the terminal cannot correctly obtain the downlink control information of each service district in the condition of supporting the aggregation of at most 32 service districts in prior art, the downlink control information of supporting at most 32 aggregate service districts is correctly obtained by the terminal so as to correctly obtain the effect of the downlink data.

Description

The configuration of Downlink Control Information DCI, the method for reseptance of downlink data and device

Technical field

The present invention relates to the communications field, in particular to configuration, the reception of downlink data of a kind of Downlink Control Information DCI Method and device.

Background technology

In order to meet senior International Telecommunication Union, (International Telecommunication Union-Advanced is referred to as ITU-Advanced) requirement, as the height of the evolution standard of Long Term Evolution (Long-Term Evolution, referred to as LTE) Level Long Term Evolution (Long Term Evolution Advanced, referred to as LTE-A) system needs to support that bigger system bandwidth is ( High up to 100MHz) and it needs to the existing standard of backward compatibility LTE.On the basis of existing LTE system, can be by The bandwidth of LTE system is combined to obtain bigger bandwidth, this technology be referred to as carrier aggregation (Carrier Aggregation, Referred to as CA) technology, this technology can improve senior international wireless communication system (International Mobile Telecommunication Advance, referred to as IMT-Advance) the availability of frequency spectrum, alleviate frequency spectrum resource in short supply, and then Optimizing the utilization of frequency spectrum resource, existing carrier aggregation supports the polymerization of most 5 component carriers.

In the system introducing carrier aggregation, the carrier wave carrying out being polymerized is referred to as component carrier, and (Component Carrier is referred to as CC), also referred to as one Serving cell (Serving Cell).It is also proposed that principal component carrier wave/community (Primary Component Carrier/Cell, referred to as PCC/PCell) and auxiliary component carrier/community (Secondary Component Carrier/Cell, abbreviation For SCC/SCell) concept, in the system carrying out carrier aggregation, including at least a main Serving cell and auxiliary serving cell, The most main Serving cell is constantly in state of activation.Lte-a system introduces under the physics on carrier dispatching i.e. certain Serving cell Row controls channel (Physical Downlink Control Channel, referred to as PDCCH) can dispatch multiple Serving cell Line number on Physical Downlink Shared Channel (Physical Downlink Shared Channel, referred to as HS-PDSCH)/terminal transmission It is believed that (Physical uplink shared channel, referred to as PUSCH), wherein the Serving cell at PDCCH place is referred to as Dispatching cell, the Serving cell at PDSCH/PUSCH place is referred to as the Serving cell that is scheduled.When configuration is across carrier dispatching, eventually End detects containing carrier wave instructions field (Carrier indicator field is called for short CIF) on Serving cell c, then subscriber equipment (User Equipment, referred to as UE) removes to solve PDSCH on corresponding Serving cell according to the value of CIF.

In later release, it is considered to support the polymerization of at most 32 Serving cells.For the polymerization of at most 32 Serving cells, Require consideration for how that the Downlink Control Information configuring 32 Serving cells just can make correct the obtaining under each Serving cell of terminal Row control information, thus correct solve downlink data.

For in correlation technique, in the case of the polymerization supporting at most 32 Serving cells, the acquisition that terminal cannot be correct each The problem of the Downlink Control Information of Serving cell, does not also propose effective solution.

Summary of the invention

The invention provides the configuration of Downlink Control Information DCI, the method for reseptance of downlink data and device, at least to solve to be correlated with In technology in the case of the polymerization supporting at most 32 Serving cells, what terminal cannot be correct obtains the descending of each Serving cell The problem of control information.

According to an aspect of the invention, it is provided the collocation method of a kind of Downlink Control Information DCI, including: at most support T The carrier aggregation of individual carrier wave and configuration are when carrier dispatching, and the Serving cell using one below mode to be polymerization configures corresponding DCI: mode 1: carrier wave instructions field CIF is set to N-bit, wherein, N=ceil (log2 (T)), N is positive integer；Side Formula 2: described CIF is set to X bit, and wherein, X is positive integer, X is less than N；Wherein, described CIF is used for indicating The Serving cell at the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising described CIF；Send and described clothes to terminal The described DCI that business community is corresponding.

Further, also include for the DCI that the Serving cell configuration of polymerization is corresponding: at most support that the polymerization of described T carrier wave carries When ripple and configuration self scheduling, at least one following rule is used to configure corresponding DCI: rule 1: described for described Serving cell CRC length corresponding for DCI is more than L, and wherein L is 16；Rule 2: described DCI includes verifying territory, wherein said verification Size corresponding to territory is F bit.

Further, including: in the case of described CIF is X bit, by the void that Serving cell described in signal deployment is corresponding Intend carrier wave to indicate, wherein, the index that the instruction of described virtual carrier is concentrated at virtual carrier for indicating described Serving cell, wherein, Described virtual carrier collection obtains according to described signal deployment.

Further, the mode configuring virtual carrier instruction corresponding to described Serving cell includes at least one of: according to comprising Corresponding relation between the DCI and the PDSCH of described Serving cell of described CIF configures the instruction of described virtual carrier；According to institute State CIF and configure the instruction of described virtual carrier.

Further, also included before terminal sends the described DCI corresponding with described Serving cell: the Serving cell to polymerization It is grouped.

Further, the Serving cell to polymerization includes after being grouped: configure in each packet corresponding to each Serving cell The size of DCI identical；Or, configure in each packet the size of DCI format corresponding to each Serving cell identical and The proprietary search volume of each Serving cell is identical, and wherein, described proprietary search volume is identical refers to the proprietary of each Serving cell The starting point of search volume is identical with search volume size.

Further, the Serving cell to polymerization includes after being grouped: configure the little group index of each packet, wherein, institute State little group index for determining the search volume that each group described is corresponding.

Further, the Serving cell to polymerization includes after being grouped: configuration belongs to the special of the Serving cell in same packets Search volume is had to be distributed in the Physical Downlink Control Channel ePDCCH of physical downlink control channel PDCCH or enhancing.

Further, the Serving cell to polymerization includes after being grouped: configures the proprietary of the Serving cell in arbitrary packet and searches Rope is spatially located at the same Resource Block of ePDCCH to set；Configuration belongs to the proprietary search volume of the Serving cell in different grouping It is positioned at the different Resource Block of described ePDCCH to set；Wherein, the Resource Block of described ePDCCH to set number with point The number of group is relevant.

Further, for also including before the DCI of the Serving cell configuration correspondence of polymerization: at most support that the carrier wave of T carrier wave gathers When closing and configure self scheduling, use the described Serving cell of the mode allocation activation of time-division；

Further, for also including before the DCI of the Serving cell configuration correspondence of polymerization: at most support that the carrier wave of T carrier wave gathers When closing and configure self scheduling, configure total maximum blind Detecting number of times that all activated Serving cell is corresponding.

Further, described Serving cell is FDD Serving cell or TDD Serving cell.

According to another aspect of the present invention, additionally provide the method for reseptance of a kind of downlink data, including: receive descending control and believe Breath DCI；Wherein, at most supporting the carrier aggregation of T carrier wave and configure when carrier dispatching, described DCI is according to purgation One mode configure after DCI: mode 1: described CIF is expanded to N-bit, wherein, N=ceil (log2 (T)), Wherein, N is positive integer；Mode 2: described CIF is X bit, wherein, X is positive integer, and X is less than N；According to described Carrier wave instructions field CIF that DCI includes determines the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising described CIF Serving cell；Downlink data is received from the PDSCH with the described Serving cell determined.

Further, during to polymerization carrier wave and the configuration self scheduling of T carrier wave described in multi-configuration, described DCI is for using following rule DCI after at least one then configuring: rule 1: CRC length corresponding for described DCI is more than L, and wherein L is 16；Rule Then 2: described DCI includes verifying territory.

Further, carrier wave instructions field CIF included according to described DCI determine corresponding with the DCI comprising described CIF under Row is shared the Serving cell at channel PDSCH place and is included: in the case of described CIF is X bit, receives virtual carrier instruction, Wherein, the index that the instruction of described virtual carrier is concentrated at virtual carrier for indicating described Serving cell；According to described CIF and institute State the corresponding relation that virtual carrier instruction obtains the PDSCH of DCI and the described Serving cell comprising described CIF.

Further, described virtual carrier collection and/or the instruction of described virtual carrier obtain from signaling.

Further, acquisition is indicated to comprise the DCI of described CIF and described Serving cell according to described CIF and described virtual carrier PDSCH between corresponding relation include: in the case of described CIF is identical with described virtual carrier instruction, determines and comprise institute State the DCI corresponding to the PDSCH that DCI is described Serving cell of CIF.

Further, also include before receiving Downlink Control Information DCI: at most support the carrier aggregation of T carrier wave and configure certainly During scheduling, obtain activation Serving cell corresponding in each subframe/radio frames according to the mode of time-division.

Further, also retain before receiving Downlink Control Information DCI: at most support the carrier aggregation of T carrier wave and configure certainly During scheduling, according to predetermined total maximum blind Detecting number of times to activating the blind Detecting that Serving cell is carried out；Further, described clothes Business community is FDD Serving cell or TDD Serving cell.

According to an aspect of the invention, it is provided the configuration device of a kind of Downlink Control Information DCI, described device is applied to base Stand, including: first configuration module, at most support T carrier wave carrier aggregation and configuration when carrier dispatching, employing with DCI: the mode 1 that one of the lower Serving cell that mode is polymerization configuration is corresponding: carrier wave instructions field CIF is set to N-bit, Wherein, N=ceil (log2 (T)), N is positive integer；Mode 2: described CIF is set to X bit, and wherein, X is just Integer, X is less than N；Wherein, described CIF is for indicating the DSCH Downlink Shared Channel PDSCH corresponding with the DCI comprising described CIF The Serving cell at place；Sending module, for sending the described DCI corresponding with described Serving cell to terminal.

Further, described device also includes: the second configuration module, at most support described T carrier wave carrier aggregation and Use at least one following rule corresponding for DCI: the rule 1: described DCI that the configuration of described Serving cell is corresponding during configuration self scheduling CRC length more than L, wherein L is 16；Rule 2: described DCI includes verifying territory, and wherein said verification territory is corresponding Size is F bit.

Further, described device also includes: the 3rd configuration module, in the case of described CIF is X bit, passes through The virtual carrier instruction that Serving cell described in signal deployment is corresponding, wherein, the instruction of described virtual carrier is used for indicating described service little The index that district concentrates at virtual carrier, wherein, described virtual carrier collection obtains according to described signal deployment.

Further, described 3rd configuration module includes: the first dispensing unit, for according to DCI and the institute comprising described CIF State the corresponding relation between the PDSCH of Serving cell and configure the instruction of described virtual carrier；And/or, the second dispensing unit, it is used for The instruction of described virtual carrier is configured according to described CIF.

Further, described device also includes: grouping module, for being grouped the Serving cell of polymerization.

Further, described device also includes: the 4th configuration module, is used for configuring in each packet corresponding to each Serving cell The size of DCI identical；Or, the 5th configuration module, for configuring the interior DCI corresponding to each Serving cell of each packet Identical and each Serving cell the proprietary search volume of the size of form is identical, and wherein, described proprietary search volume is identical to be referred to The starting point of the proprietary search volume of each Serving cell is identical with search volume size.

Further, described device also includes: the 6th configuration module, for configuring the little group index of each packet, wherein, institute State little group index for determining the search volume that each group described is corresponding.

Further, described device also includes: the 7th configuration module, for configuring the special of the Serving cell belonged in same packets Search volume is had to be distributed in the Physical Downlink Control Channel ePDCCH of physical downlink control channel PDCCH or enhancing.

Further, described device also includes: the 8th configuration module, searches for the proprietary of Serving cell configured in arbitrary packet Rope is spatially located at the same Resource Block of ePDCCH to set；9th configuration module, belongs to the service in different grouping for configuration The proprietary search volume of community is positioned at the different Resource Block of described ePDCCH to set；Wherein, the resource of described ePDCCH Block is relevant with the number of packet to the number of set.

Further, described device also includes: active module, for using the mode of time-division to activate described Serving cell.

Further, described device also includes: configuration module, configures total maximum blind Detecting that all activated Serving cell is corresponding Number of times.

Further, described Serving cell is FDD Serving cell or TDD Serving cell.

According to another aspect of the present invention, additionally providing the reception device of a kind of downlink data, described device is applied to terminal, Described device includes: the first receiver module, is used for receiving Downlink Control Information DCI；Wherein, to the load of multi-configuration T carrier wave Ripple is polymerized, and is configured with when carrier dispatching, and described DCI is the DCI after configuring according to one below mode: mode 1: Described CIF is expanded to N-bit, and wherein, N=ceil (log2 (T)), wherein, N is positive integer；Mode 2: described CIF For X bit, wherein, X is positive integer, and X is less than N；Determine module, for the carrier wave instruction included according to described DCI Territory CIF determines the Serving cell at the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising described CIF；Second receives Module, for receiving downlink data from the PDSCH with the described Serving cell determined.

Further, when at most supporting carrier aggregation and the configuration self scheduling of described T carrier wave, described DCI is for using following rule DCI after at least one then configuring: rule 1: CRC length corresponding for described DCI is more than L, and wherein L is 16；Rule Then 2: described DCI includes verifying territory.

Further, described determine that module includes: receive unit, in the case of described CIF is X bit, receive virtual Carrier wave indicates, wherein, and the index that the instruction of described virtual carrier is concentrated at virtual carrier for indicating described Serving cell；Determine list Unit, obtains, for indicating according to described CIF and described virtual carrier, the DCI and the PDSCH of described Serving cell comprising described CIF Corresponding relation.

Further, described reception unit is additionally operable to receive described virtual carrier collection and/or the instruction of described virtual carrier from signaling.

Further, described determine that module is additionally operable to, in the case of described CIF is identical with described virtual carrier instruction, determine bag The DCI corresponding to the PDSCH that DCI is described Serving cell containing described CIF.

Described device also includes: acquisition module, for obtaining activation clothes corresponding in each subframe/radio frames according to the mode of time-division Business community.

Further, described device also includes: detection module, for taking activating according to predetermined total maximum blind Detecting number of times Business community carries out blind Detecting.

Further, described Serving cell is FDD Serving cell or TDD Serving cell.

By the present invention, use when system is at most supported the polymerization carrier wave of T carrier wave and configures across carrier dispatching, below employing One of DCI: mode 1 corresponding to the Serving cell that mode is polymerization configuration: carrier wave instructions field CIF is set to N-bit, its In, N=ceil (log2 (T)), N is positive integer；Mode 2: CIF is set to X bit, and wherein, X is positive integer, X Less than N；Wherein, CIF is little for the service indicating the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising this CIF District；The DCI corresponding with this Serving cell is sent to terminal.Solve in correlation technique and supporting the poly-of at most 32 Serving cells In the case of conjunction, the problem of the Downlink Control Information obtaining each Serving cell that terminal cannot be correct, it is achieved that terminal is correct The Downlink Control Information of the Serving cells of acquisition at most 32 polymerizations of support, thus the correct effect solving downlink data.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the present invention shows Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the flow chart of the collocation method of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 2 is the structured flowchart of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 3 is the structured flowchart () of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 4 is the structured flowchart (two) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 5 is the structured flowchart (three) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 6 is the structured flowchart (four) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 7 is the structured flowchart (five) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 8 is the structured flowchart (six) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Fig. 9 is the structured flowchart (seven) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Figure 10 is the structured flowchart (eight) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Figure 11 is the structured flowchart (nine) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Figure 12 is the structured flowchart (ten) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention；

Figure 13 is the flow chart of the method for reseptance of downlink data according to embodiments of the present invention；

Figure 14 is the structured flowchart receiving device of downlink data according to embodiments of the present invention；

Figure 15 is the structured flowchart () receiving device of downlink data according to embodiments of the present invention；

Figure 16 is the structured flowchart (two) receiving device of downlink data according to embodiments of the present invention；

Figure 17 is the structured flowchart (three) receiving device of downlink data according to embodiments of the present invention；

Figure 18 is the schematic diagram about the embodiment of the present invention one；

Figure 19 is the schematic diagram about the embodiment of the present invention two；

Figure 20 is the schematic diagram about the embodiment of the present invention four；

Figure 21 is the schematic diagram about the embodiment of the present invention five；

Figure 22 is the schematic diagram about the embodiment of the present invention six.

Detailed description of the invention

Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the case of not conflicting, Embodiment in the application and the feature in embodiment can be mutually combined.

Provide the collocation method of a kind of Downlink Control Information DCI in the present embodiment, Fig. 1 according to embodiments of the present invention under The flow chart of the collocation method of row control information DCI, as it is shown in figure 1, this flow process comprises the steps:

Step S102, at most supports the carrier aggregation of T carrier wave and configures when carrier dispatching, it is poly-for using one below mode DCI: the mode 1 of the Serving cell configuration correspondence closed: carrier wave instructions field CIF is set to N-bit, wherein, N=ceil (log2 (T)), N is positive integer；Mode 2: CIF is set to X bit, and wherein, X is positive integer, X is less than N；Wherein, CIF is for indicating the Serving cell at the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising this CIF；

Step S104, sends this DCI corresponding with this Serving cell to terminal.

By above-mentioned steps, utilize the DCI that aforesaid way 1 or mode 2 are corresponding to the Serving cell configuration of polymerization, solve In correlation technique in the case of the polymerization supporting at most 32 Serving cells, what terminal cannot be correct obtains each Serving cell The problem of Downlink Control Information, it is achieved that the Downlink Control Information obtaining the Serving cell supporting at most 32 polymerizations that terminal is correct, Thus the correct effect solving downlink data.

Above-mentioned steps S102 relates to the DCI of the Serving cell configuration correspondence into polymerization, in another alternative embodiment, extremely When the polymerization carrier waves supporting described T carrier wave and configuration self scheduling, use at least one following rule to configure for this Serving cell more Corresponding DCI: CRC length corresponding for rule 1:DCI is more than L, and wherein L is 16；Rule 2:DCI includes verification Territory, the size that wherein verification territory is corresponding is F bit.Thus the more excellent DCI corresponding for the Serving cell configuration of polymerization.

In the case of this CIF is X bit, i.e. when the Serving cell using aforesaid way 2 to be polymerization configures corresponding DCI, In one alternate embodiment, the virtual carrier corresponding by this Serving cell of signal deployment indicates, and wherein, virtual carrier indicates For the index indicating this Serving cell to concentrate at virtual carrier, wherein, virtual carrier collection obtains according to signal deployment.So that Obtain terminal and can indicate the corresponding pass obtaining comprising between the DCI of this CIF and the PDSCH of correspondence according to CIF and virtual carrier System, above-mentioned signaling for example, high-level signaling.

In one alternate embodiment, can be according to the corresponding relation comprised between the DCI of CIF and the PDSCH of Serving cell Configure the instruction of this virtual carrier, configure the virtual carrier instruction that this Serving cell is corresponding, it is also possible to configure this virtual load according to CIF Ripple indicates.

In order to improve the terminal efficiency to DCI blind detection, in one embodiment, the DCI corresponding with this Serving cell is sent to terminal Before, the Serving cell of polymerization is grouped.

After the Serving cell being polymerized is grouped, in one alternate embodiment, configure each Serving cell in each packet The size of corresponding DCI is identical；Or, configure the size phase of the interior DCI format corresponding to each Serving cell of each packet With and the proprietary search volume of each Serving cell identical, wherein, proprietary search volume is identical refers to the special of each Serving cell The starting point having search volume is identical with search volume size.

After the Serving cell being polymerized is grouped, in one alternate embodiment, configure the little group index of each packet, its In, this little group index is for determining the search volume that this each group is corresponding.

After being grouped the Serving cell of polymerization, in one alternate embodiment, to belong to the service in same packets little in configuration The proprietary search volume in district is distributed in the Physical Downlink Control Channel physical down of physical downlink control channel PDCCH or enhancing Control channel (Enhanced Physical Downlink Control Channel, referred to as ePDCCH).

After the Serving cell of polymerization is grouped, in one alternate embodiment, configure Serving cell in arbitrary packet Proprietary search volume is positioned at the same Resource Block of ePDCCH to set；The proprietary of Serving cell that configuration belongs in different grouping is searched Rope is spatially located at the different Resource Block of this ePDCCH to set；Wherein, the Resource Block of ePDCCH to set number with point The number of group is relevant.

In one alternate embodiment, for, before the DCI that the Serving cell configuration of polymerization is corresponding, at most supporting the load of T carrier wave When ripple polymerization and configuration self scheduling, use the Serving cell of the mode allocation activation of time-division；In another alternative embodiment, join Put total maximum blind Detecting number of times that all activated Serving cell is corresponding.

In one alternate embodiment, above-mentioned Serving cell is that (Frequency Division Duplex is called for short frequency division duplex mode For FDD) Serving cell or time division duplex (Time Division Duplex, referred to as TDD) Serving cell.

In one alternate embodiment, above-mentioned Downlink Control Information size, above-mentioned search volume is distributed, position, above-mentioned search volume Corresponding packet can be identical, it is also possible to different；When configurating downlink controls information, above-mentioned Downlink Control Information size, above-mentioned search Configuration can be combined in rope spatial distribution and position, above-mentioned search volume, it is also possible to be separately configured；The Serving cell of above-mentioned polymerization is permissible It is positioned on mandate frequency spectrum, it is also possible to be positioned in unlicensed spectrum, it is also possible to part is positioned on mandate frequency spectrum, and part is positioned at unauthorized On frequency spectrum.

Additionally providing the configuration device of a kind of Downlink Control Information DCI in the present embodiment, this device is used for realizing above-described embodiment And preferred implementation, carried out repeating no more of explanation.As used below, term " module " can realize pre- Determine the software of function and/or the combination of hardware.Although the device described by following example preferably realizes with software, but firmly Part, or the realization of the combination of software and hardware also may and be contemplated.

Fig. 2 is the structured flowchart of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, and device is applied to base station, As in figure 2 it is shown, this device includes: the first configuration module 22, at most supporting the carrier aggregation of T carrier wave and configuring across load During ripple scheduling, DCI: the mode 1 of the Serving cell configuration correspondence using one below mode to be polymerization: by carrier wave instructions field CIF Being set to N-bit, wherein, N=ceil (log2 (T)), N is positive integer；Mode 2: CIF is set to X bit, its In, X is positive integer, and X is less than N；Wherein, CIF is for indicating the DSCH Downlink Shared Channel corresponding with the DCI comprising this CIF The Serving cell at PDSCH place；Sending module 24, for sending the DCI corresponding with this Serving cell to terminal.

Fig. 3 is the structured flowchart () of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as it is shown on figure 3, This device also includes: the second configuration module 32, during at most supporting polymerization carrier wave and the configuration self scheduling of described T carrier wave, Use at least one following rule for the DCI of this Serving cell configuration correspondence: CRC length corresponding for rule 1:DCI more than L, Wherein L is 16；Rule 2:DCI includes verifying territory, and the size that wherein verification territory is corresponding is F bit.

Fig. 4 is the structured flowchart (two) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as shown in Figure 4, This device also includes: the 3rd configuration module 42, in the case of this CIF is X bit, little by this service of signal deployment The virtual carrier instruction that district is corresponding, wherein, the index that virtual carrier instruction is concentrated at virtual carrier for indicating this Serving cell, Wherein, virtual carrier collection obtains according to signal deployment.

Fig. 5 is the structured flowchart (three) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as it is shown in figure 5, 3rd configuration module 42 includes: the first dispensing unit 422, for according to comprising the DCI of this CIF and the PDSCH of this Serving cell Between corresponding relation configure this virtual carrier instruction；And/or, the second dispensing unit 424, for configuring this void according to this CIF Intend carrier wave instruction.

Fig. 6 is the structured flowchart (four) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as shown in Figure 6, This device also includes: grouping module 62, for being grouped the Serving cell of polymerization.

Fig. 7 is the structured flowchart (five) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as it is shown in fig. 7, This device also includes: the 4th configuration module 72, for configuring in each packet the size phase of the DCI corresponding to each Serving cell With；Or, the 5th configuration module 74, for configuring the size phase of the interior DCI format corresponding to each Serving cell of each packet With and the proprietary search volume of each Serving cell identical, wherein, proprietary search volume is identical refers to the special of each Serving cell The starting point having search volume is identical with search volume size.

Fig. 8 is the structured flowchart (six) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as shown in Figure 8, This device also includes: the 6th configuration module 82, and for configuring the little group index of each packet, wherein, this little group index is for really The search volume that fixed this each group is corresponding.

Fig. 9 is the structured flowchart (seven) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, as it is shown in figure 9, This device also includes: the 7th configuration module 92, and the proprietary search volume belonging to the Serving cell in same packets for configuration is distributed Physical Downlink Control Channel ePDCCH in physical downlink control channel PDCCH or enhancing.

Figure 10 is the structured flowchart (eight) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, such as Figure 10 institute Showing, this device also includes: the 8th configuration module 1002, for configuring the position, proprietary search volume of the Serving cell in arbitrary packet In the same Resource Block of ePDCCH to set；9th configuration module 1004, belongs to the Serving cell in different grouping for configuration Proprietary search volume be positioned at the different Resource Block of this ePDCCH to set；Wherein, the Resource Block of ePDCCH is to set Number is relevant with the number of packet.

Figure 11 is the structured flowchart (nine) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, such as Figure 11 institute Showing, this device also includes: active module 1102, for using the mode of time-division to activate described Serving cell.

Figure 12 is the structured flowchart (ten) of the configuration device of Downlink Control Information DCI according to embodiments of the present invention, such as Figure 12 institute Showing, this device also includes: configuration module 1202, for total maximum blind Detecting number of times that allocation activation Serving cell is corresponding.

Alternatively, above-mentioned Serving cell is FDD Serving cell or TDD Serving cell.

Providing the method for reseptance of a kind of downlink data in another embodiment, Figure 13 is lower line number according to embodiments of the present invention According to the flow chart of method of reseptance, as shown in figure 13, this flow process comprises the steps:

Step S1302, receives Downlink Control Information DCI；Wherein, at most support the carrier aggregation of T carrier wave and configure across carrier wave During scheduling, this DCI is the DCI after configuring: mode 1 according to one below mode: CIF is expanded to N-bit, its In, N=ceil (log2 (T)), wherein, N is positive integer；Mode 2:CIF is X bit, and wherein, X is positive integer, X Less than N；

Step S1304, carrier wave instructions field CIF included according to DCI determines corresponding with the DCI comprising this CIF descending common Enjoy the Serving cell at channel PDSCH place；

Step S1306, receives downlink data from the PDSCH with this Serving cell determined.

By above-mentioned steps, terminal determines corresponding with the DCI comprising this CIF according to carrier wave instructions field CIF that DCI includes The Serving cell at DSCH Downlink Shared Channel PDSCH place, wherein, this DCI configures according to above two mode, solves phase In the technology of pass in the case of the polymerization supporting at most 32 Serving cells, what terminal cannot be correct obtains under each Serving cell The problem of row control information, it is achieved that the Downlink Control Information obtaining the Serving cell supporting at most 32 polymerizations that terminal is correct, Thus the correct effect solving downlink data.

In one alternate embodiment, to multi-configuration T carrier wave polymerization carrier wave and configuration self scheduling time, DCI for use below At least one rule configure after DCI: rule CRC length corresponding to 1:DCI is more than L, and wherein L is 16；Rule 2:DCI includes verifying territory.

Above-mentioned steps S1304 relates to determine corresponding with the DCI comprising this CIF according to carrier wave instructions field CIF that DCI includes The Serving cell at DSCH Downlink Shared Channel PDSCH place, in one alternate embodiment, in the case of this CIF is X bit, Reception virtual carrier indicates, wherein, and the index that virtual carrier instruction is concentrated at virtual carrier for indicating this Serving cell, according to CIF and virtual carrier instruction obtain the corresponding relation of the PDSCH of DCI and this Serving cell comprising this CIF.

In one alternate embodiment, virtual carrier collection and/or virtual carrier instruction obtain from signaling.

Indicate to obtain according to CIF and virtual carrier and comprise the corresponding relation between the DCI of CIF and the PDSCH of this Serving cell During, in one alternate embodiment, in the case of CIF is identical with virtual carrier instruction, determines and comprise this CIF's DCI is the DCI corresponding to the PDSCH of Serving cell.

In one alternate embodiment, before receiving Downlink Control Information DCI, at most support the carrier aggregation of T carrier wave and join When putting self scheduling, obtain activation Serving cell corresponding in each subframe/radio frames according to the mode of time-division；In another optional reality Execute in example, in this case, according to predetermined total maximum blind Detecting number of times to activating the blind Detecting that Serving cell is carried out；

In one alternate embodiment, above-mentioned Serving cell is FDD Serving cell or TDD service Community.

Additionally providing the reception device of a kind of downlink data in the present embodiment, this device is used for realizing above-described embodiment and the most real Execute mode, carry out repeating no more of explanation.As used below, term " module " can realize predetermined function Software and/or the combination of hardware.Although the device described by following example preferably realizes with software, but hardware, or The realization of the combination of software and hardware also may and be contemplated.

Figure 14 is the structured flowchart receiving device of downlink data according to embodiments of the present invention, and this device is applied to terminal, such as figure Shown in 14, this device includes: the first receiver module 1402, is used for receiving Downlink Control Information DCI；Wherein, to multi-configuration T carrier aggregation, and it is configured with when carrier dispatching, this DCI is the DCI after configuring according to one below mode: Mode 1: CIF is expanded to N-bit, wherein, N=ceil (log2 (T)), wherein, N is positive integer；Mode 2:CIF For X bit, wherein, X is positive integer, and X is less than N；Determine module 1404, refer to for the carrier wave included according to this DCI Show that territory CIF determines the Serving cell at the DSCH Downlink Shared Channel PDSCH place corresponding with the DCI comprising this CIF；Second receives Module 1406, for receiving downlink data from the PDSCH with this Serving cell determined.

Alternatively, when at most supporting carrier aggregation and the configuration self scheduling of described T carrier wave, DCI is for using following rule at least One of configure after DCI: rule CRC length corresponding to 1:DCI is more than L, and wherein L is 16；Rule 2: this DCI Include verifying territory.

Figure 15 is the structured flowchart () receiving device of downlink data according to embodiments of the present invention, as shown in figure 15, determines Module 1404 includes: receive unit 140402, in the case of this CIF is X bit, receives virtual carrier instruction, its In, the index that virtual carrier instruction is concentrated at virtual carrier for indicating Serving cell；Determine unit 140404, for according to CIF The corresponding relation of the PDSCH of DCI and this Serving cell comprising this CIF is obtained with virtual carrier instruction.

Alternatively, receive unit 140402 to be additionally operable to from signaling receive virtual carrier collection and/or virtual carrier instruction.

Optionally it is determined that module 1404 is additionally operable to, in the case of this CIF is identical with this virtual carrier instruction, determine and comprise this The DCI of CIF is the DCI corresponding to the PDSCH of this Serving cell.

Figure 16 is the structured flowchart (two) receiving device of downlink data according to embodiments of the present invention, as shown in figure 16, this dress Put and also include: acquisition module 1602, for obtaining activation Serving cell corresponding in each subframe/radio frames according to the mode of time-division.

Figure 17 is the structured flowchart (three) receiving device of downlink data according to embodiments of the present invention, as shown in figure 17, this dress Put and also include: detection module 1702, for carrying out blind Detecting according to predetermined total maximum blind Detecting number of times to activating Serving cell.

It should be noted that above-mentioned modules can be by software or hardware realizes, for the latter, can by with Under type realizes, but is not limited to this: above-mentioned modules is respectively positioned in same processor；Or, above-mentioned modules position respectively In first processor, the second processor and the 3rd processor ... in.

For the problems referred to above present in correlation technique, illustrate below in conjunction with alternative embodiment, tie in this alternative embodiment Above-mentioned alternative embodiment and optional embodiment thereof are closed.

Embodiment one

In existing LTE system, the Physical Downlink Control Channel (PDCCH/ePDCCH) of Physical Downlink Control Channel/enhancing is used for Bearing downlink controls information (DCI), including: uplink scheduling information, down dispatch information and uplink power control information.DCI Form be divided into following several: DCI format0, DCI format1, DCI format1A, DCI format1B, DCI format1C, DCI format1D, DCI format2, DCI format2A, DCI format2B, DCI format2C, DCI format2D, DCI format3, DCI format3A and DCI format4, wherein: DCI format0/4 is used for indicating Physical Uplink Shared Channel (PUSCH) scheduling of upper upstream data, DCI format1, DCI format1A, DCI format1B, DCI format1C, DCI format1D, DCI format2, DCI format2A, DCI format2B, DCI format2C, DCI format2D uses In the scheduling of instruction Physical Downlink Shared Channel (PDSCH) up-downgoing data, DCI format3 and DCI format3A is used for The power of Physical Uplink Control Channel and PUSCH controls the different mode of signaling.

The physical resource of PDCCH transmission is unit to control channel element (Control channel element, referred to as CCE), The size of one CCE is 9 resource groups (Resource element Group, REG) i.e. 36 resource element (Resource Element, RE).One PDCCH may take 1,2,4,8 CCE.A search volume is defined for each polymerization grade, Including the proprietary search volume in publicly-owned search volume and subscriber equipment.The carrying of publicly-owned search volume is and system information block to connect immediately Enter response and the relevant publicly-owned information of paging；Search volume carrying special for UE is UE respective up-downgoing scheduling authorization letter Breath.UE is when receiving Downlink Control Information, and detection polymerization grade is each public search space of 4 and 8, and polymerization grade It is that each proprietary search volume of UE of 1,2,4,8, public search space and the proprietary search volume of UE can be overlapping.Concrete detection Number of times and corresponding search volume are as shown in table 1.

Table 1 detects number of times and search volume mapping table

UE passes through the one being arranged in following multiple transmission mode that high-level signaling is semi-static, and the search proprietary according to user is empty Between the instruction of PDCCH receive PDSCH data:

Pattern 1: single antenna port；Port 0；

Pattern 2: launch diversity；

Pattern 3: Open-Loop Spatial Multiplexing；

Pattern 4: Closed-Loop Spatial Multiplexing；

Pattern 5: multi-user's multiple-input and multiple-output；

Pattern 6: closed loop RANK=1 precoding；

Mode 7: single antenna port；Port 5；

Pattern 8: double-deck transmission mode；Port 7 and 8；

Pattern 9: at most 8 layers transmission: port 7-14；

Pattern 10: at most 8 layers transmission: port 7-14；

If UE by high level be set to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identifier, Referred to as Temporary C-RNTI) CRC (Cyclic Redundancy Check, referred to as CRC) that scrambles Carry out PDCCH decoding, then UE should be according to the incompatible decoding PDCCH of the respective sets defined in table 2 and relevant PDSCH.

Table 2 downlink transfer pattern, the mapping table of DCI format, search volume and transmission plan

If UE is set to carry out by the cyclic redundancy check (CRC) of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI scrambling by high level PDCCH decodes, then UE should be according to the incompatible decoding PDCCH of the respective sets defined in table 3 and all relevant PUSCH.

Table 3 uplink transmission mode, the mapping table of DCI format, search volume and transmission plan

In order to solve PDCCH capacity problem, later release also introduces PDCCH (enhanced PDCCH, the abbreviation of enhancing For ePDCCH), ePDCCH is in place of being different from PDCCH that ePDCCH is multiple with PDSCH by the way of channeling With, ePDCCH mapping mode on frequency domain has Continuous Mappings and Discrete Mapping, and base station can configure k Resource Block and share collection Making transmission ePDCCH, 1 Resource Block includes N number of Resource Block pair to set, and wherein, k is more than or equal to 1, and the value of N is 1,2,4,8,16, 1 Resource Block to including 16 resource unit group strengthened (ennhanced Resource Element Group is called for short eREG), 1 Resource Block can be divided into 2 eCCE or 4 eCCE, and the L-eCCe corresponding for ePDCCH of Continuous Mappings is by 1 The eREG composition that individual resource is internal, the D-eCCE corresponding for ePDCCH of Discrete Mapping is by the eREG structure of multiple Resource Block pair Become.

Lte-a system is that lte-a system introduces carrier aggregation technology, namely relative to LTE system the most significantly feature Carry out the bandwidth of LTE system being polymerized to obtain bigger bandwidth.In the system introducing carrier aggregation, carry out the carrier wave being polymerized It is referred to as component carrier (Component Carrier, referred to as CC), also referred to as one Serving cell (Serving Cell).Meanwhile, Also proposed principal component carrier wave/community (Primary Component Carrier/Cell, referred to as PCC/PCell) and auxiliary component carries The concept of ripple/community (Secondary Component Carrier/Cell, referred to as SCC/SCell).Carrying out carrier aggregation System in, including at least a main Serving cell and auxiliary serving cell, the most main Serving cell is constantly in state of activation, and And regulation PUCCH only transmits on Pcell.

In carrier aggregation, high-level signaling instruction Serving cell is self scheduling or across carrier dispatching, if self scheduling, instruction is No containing CIF territory, if across carrier dispatching, the cell index at instruction schedule information place.Figure 18 is real about the present invention Execute the schematic diagram of example one, as shown in figure 18, it is assumed that have 5 downstream service cell aggregation, the Downlink Control Information of Serving cell 1 Upper configuration CIF territory, { schedule information corresponding for Serving cell 4} is in service for Serving cell 2, Serving cell 3 in high-level signaling instruction On community 1, i.e. on Serving cell 1 CIF be the DCI of 000 be Downlink Control Information corresponding for PDSCH on Serving cell 1, On Serving cell 1 CIF be the DCI of 001 be Downlink Control Information corresponding for PDSCH on Serving cell 2, Serving cell 1 Upper CIF be the DCI of 010 be Downlink Control Information corresponding for PDSCH on Serving cell 3；On Serving cell 1, CIF is 011 DCI be Downlink Control Information corresponding for PDSCH on Serving cell 4；On Serving cell 1, CIF is that the DCI of 100 is for taking Downlink Control Information corresponding for PDSCH on business community 5.

Embodiment two

Assuming there be T=32 downstream service cell aggregation, Figure 19 is the schematic diagram about the embodiment of the present invention two, as shown in figure 19, Carrier wave instructions field is directly extended to N=cel (log2 (32)) bit, is configured with 32 Serving cells and is polymerized, then carrier wave Instructions field is 5 bits, i.e. N=5；

CIF territory, high-level signaling instruction { Serving cell 2, Serving cell 3, clothes are configured on the Downlink Control Information of Serving cell 1 Business community 4 ..., schedule information corresponding for Serving cell 32} is on Serving cell 1, and i.e. on Serving cell 1, CIF is 00000 DCI be Downlink Control Information corresponding for PDSCH on Serving cell 1, on Serving cell 1, CIF is that the DCI of 00001 is Downlink Control Information corresponding for PDSCH on Serving cell 2, on Serving cell 1 CIF be the DCI of 00010 be Serving cell 3 The Downlink Control Information that upper PDSCH is corresponding；On Serving cell 1 CIF be the DCI of 00011 be PDSCH on Serving cell 4 Corresponding Downlink Control Information；On Serving cell 1 CIF be the DCI of 00100 be under on Serving cell 5, PDSCH is corresponding Row control information, on Serving cell 1, CIF is that the descending control that the DCI of 00101 is corresponding for PDSCH on Serving cell 6 is believed Breath, on Serving cell 1 CIF be the DCI of 00110 be Downlink Control Information corresponding for PDSCH on Serving cell 7, service On community 1 CIF be the DCI of 00111 be Downlink Control Information corresponding for PDSCH on Serving cell 8, on Serving cell 1 CIF be the DCI of 01000 be Downlink Control Information corresponding for PDSCH on Serving cell 9, on Serving cell 1, CIF is 01001 DCI be Downlink Control Information corresponding for PDSCH on Serving cell 10, on Serving cell 1, CIF is that the DCI of 01010 is Downlink Control Information corresponding for PDSCH on Serving cell 11, on Serving cell 1 CIF be the DCI of 01011 be Serving cell Downlink Control Information corresponding for PDSCH on 12, on Serving cell 1 CIF be the DCI of 01100 be PDSCH on Serving cell 13 Corresponding Downlink Control Information, on Serving cell 1 CIF be the DCI of 01101 be under on Serving cell 14, PDSCH is corresponding Row control information, on Serving cell 1, CIF is that the descending control that the DCI of 01110 is corresponding for PDSCH on Serving cell 15 is believed Breath, on Serving cell 1 CIF be the DCI of 01111 be Downlink Control Information corresponding for PDSCH on Serving cell 16, service On community 1 CIF be the DCI of 10000 be Downlink Control Information corresponding for PDSCH on Serving cell 17, on Serving cell 1 CIF be the DCI of 10001 be Downlink Control Information corresponding for PDSCH on Serving cell 18, on Serving cell 1, CIF is 10010 DCI be Downlink Control Information corresponding for PDSCH on Serving cell 19；On Serving cell 1, CIF is that the DCI of 10011 is Downlink Control Information corresponding for PDSCH on Serving cell 20；On Serving cell 1 CIF be the DCI of 10100 be Serving cell Downlink Control Information corresponding for PDSCH on 21, on Serving cell 1 CIF be the DCI of 10101 be PDSCH on Serving cell 22 Corresponding Downlink Control Information, on Serving cell 1 CIF be the DCI of 10110 be under on Serving cell 23, PDSCH is corresponding Row control information, on Serving cell 1, CIF is that the descending control that the DCI of 10111 is corresponding for PDSCH on Serving cell 24 is believed Breath, on Serving cell 1 CIF be the DCI of 11000 be Downlink Control Information corresponding for PDSCH on Serving cell 25, service On community 1 CIF be the DCI of 11001 be Downlink Control Information corresponding for PDSCH on Serving cell 26, on Serving cell 1 CIF be the DCI of 11010 be Downlink Control Information corresponding for PDSCH on Serving cell 27, on Serving cell 1, CIF is 11011 DCI be Downlink Control Information corresponding for PDSCH on Serving cell 28, on Serving cell 1, CIF is that the DCI of 11100 is Downlink Control Information corresponding for PDSCH on Serving cell 29, on Serving cell 1 CIF be the DCI of 11101 be Serving cell Downlink Control Information corresponding for PDSCH on 30, on Serving cell 1 CIF be the DCI of 11110 be PDSCH on Serving cell 31 Corresponding Downlink Control Information, on Serving cell 1 CIF be the DCI of 11111 be under on Serving cell 32, PDSCH is corresponding Row control information.

The problem across carrier dispatching can be solved at most 32 carrier aggregation by configuring the CIF of 5 bits.

Embodiment three

The end side behavior of mode 2 correspondence be given below:

Step one: terminal is according to obtaining virtual carrier collection and dispatch service community and the letter of the Serving cell that is scheduled in high-level signaling Breath；

Step 2: terminal indicates according to CIF and virtual carrier and obtains between the DCI and the PDSCH of correspondence comprising described CIF Corresponding relation；

Step 3: terminal obtains corresponding PDSCH according to DCI.

Embodiment four

Assuming there are 16 downstream service cell aggregation, Figure 20 is the schematic diagram about the embodiment of the present invention four, as shown in figure 20, High-level signaling instruction Serving cell is self scheduling or across carrier dispatching, if self scheduling, indicates whether containing CIF territory, as Fruit is across carrier dispatching, the cell index at instruction schedule information place and virtual carrier instruction.As it can be seen, believe according to high level Order indicate the cell index at schedule information place the Serving cell of polymerization is divided into 2 Virtual Service cell set, Serving cell 3, Serving cell 5, Serving cell 7, Serving cell 8, Serving cell 9, Serving cell 10, scheduling letter corresponding for Serving cell 11} Breath is on Serving cell 1, and { Serving cell 2, Serving cell 6, Serving cell 12, Serving cell 13, Serving cell 14, take Business community 15, schedule information corresponding for Serving cell 16} on Serving cell 4, namely Serving cell 1, Serving cell 3, Serving cell 5, Serving cell 7, Serving cell 8, Serving cell 9, Serving cell 10, Serving cell 11} correspondence one is virtual Carrier set, and Serving cell 2, Serving cell 4, Serving cell 6, Serving cell 12, Serving cell 13, Serving cell 14, Serving cell 15, the corresponding virtual carrier collection of Serving cell 16}.

The virtual carrier of Serving cell 3 correspondence is designated as 001, then on Serving cell 1 CIF be 001 DCI for service little Downlink Control Information corresponding for PDSCH in district 3, the virtual carrier of Serving cell 5 correspondence is designated as 010, then Serving cell On 1 CIF be the DCI of 010 be Downlink Control Information corresponding for PDSCH on Serving cell 5；Serving cell 7 correspondence virtual Carrier wave is designated as 011, then on Serving cell 1 CIF be the DCI of 011 be descending control corresponding for PDSCH on Serving cell 7 Information processed；The virtual carrier of Serving cell 2 correspondence is designated as 001, then on Serving cell 4, CIF is that the DCI of 001 is for taking Schedule information corresponding for PDSCH on business community 2；The virtual carrier of Serving cell 15 correspondence is designated as 111, then Serving cell On 4 CIF be the DCI of 111 be schedule information corresponding for PDSCH on Serving cell 15；

Asking across carrier dispatching at most 32 carrier aggregation can be solved by the way of the associating virtual carrier instruction of carrier wave instructions field Topic, and need not increase existing CIF territory, reduce the complexity of terminal detection.

Embodiment five

Assuming there are 32 downstream service cell aggregation, wherein 4 Serving cells are positioned at mandate frequency spectrum, i.e. { Serving cell 1, service Community 2, Serving cell 3 and Serving cell 4} are to authorize the community on frequency spectrum, and 28 Serving cells are positioned at unlicensed spectrum, { clothes Business community 5, Serving cell 6 ..., Serving cell 32} is positioned at unlicensed spectrum, divides into 4 groups by little for the downstream service of polymerization, Often group is made up of a Serving cell authorized on frequency spectrum and the community in 7 unlicensed spectrum, i.e. group 1 by Serving cell 1, Serving cell 5, Serving cell 6, Serving cell 7, Serving cell 8, Serving cell 9, Serving cell 10, Serving cell 11} Composition, group 2 is by { Serving cell 2, Serving cell 12, Serving cell 13, Serving cell 14, Serving cell 15, service little District 16, Serving cell 17, Serving cell 18} forms, and group 3 is by { Serving cell 3, Serving cell 19, Serving cell 20, clothes Business community 21, Serving cell 22, Serving cell 23, Serving cell 24, Serving cell 25} form, group 4 by Serving cell 4, Serving cell 26, Serving cell 27, Serving cell 28, Serving cell 29, Serving cell 30, Serving cell 31, service little District 32} forms.Configure the search that the size of DCI format corresponding to the Serving cell in every group is identical and in group, Serving cell is corresponding Space original position is identical, and the original position of search volume determines according to group index, and Figure 17 is showing about the embodiment of the present invention five Be intended to, as shown in figure 21, the search volume placing continuously each group that Figure 21 is given, the search volume of each group can also with at random, The modes such as intertexture are placed.

Identical by being grouped search volume that is identical with configuring DCI format size in each group and that often organize correspondence, it is possible to reduce eventually The number of times of end blind Detecting, saves the power consumption of terminal.

Embodiment six

Assuming 32 Serving cell polymerizations, wherein Serving cell 1 is dispatching cell, and other Serving cells are the community that is scheduled, clothes The control channel of business community 1 is PDCCH and ePDCCH, and Figure 22 is the schematic diagram about the embodiment of the present invention six, such as Figure 22 Shown in, then Serving cell 2, and Serving cell 3, Serving cell 4 ..., search volume corresponding for Serving cell 32} is positioned at PDCCH With ePDCCH region, high-level signaling configuration Serving cell 4} is one group for Serving cell 2, Serving cell 3, Serving cell 5, Serving cell 6 ..., Serving cell 32} is one group, because Serving cell 4} is one group for Serving cell 2, Serving cell 3, So the search volume of correspondence is distributed in PDCCH region or ePDCCH region, and Serving cell 5, Serving cell 6 ..., Serving cell 32} is one group, so the search volume of correspondence is distributed in ePDCCH region or PDCCH region, in figure Frequency domain resource corresponding for ePDCCH is continuous print, and frequency domain resource corresponding for ePDCCH can also be discrete.

Region by place, expanded search space, it is possible to reduce dispatch blocking rate during multiple Serving cell, improves PDCCH Energy.

Embodiment seven

Assuming 32 Serving cell polymerizations, wherein Serving cell 1 is dispatching cell, and other Serving cells are the community that is scheduled, clothes The control channel of business community 1 is ePDCCH, and { Serving cell 4} is one for Serving cell 2, Serving cell 3 in high-level signaling configuration Group, Serving cell 7} is one group for Serving cell 5, Serving cell 6, Serving cell 8, Serving cell 9 ..., service little District 32} is one group, because { Serving cell 4} is one group for Serving cell 2, Serving cell 3, so the search volume of correspondence is positioned at EPDCCH first resource is to set, and { Serving cell 7} is one group for Serving cell 5, Serving cell 6, so the search of correspondence It is spatially located at ePDCCH Secondary resource to set, and Serving cell 8, Serving cell 9 ..., Serving cell 32} is one group, institute It is positioned at ePDCCH information resources to set with corresponding search volume.

Embodiment eight

When configurating downlink controls information, embodiment five, embodiment six and embodiment seven can be separately configured, it is also possible to combine configuration, The packet of wherein embodiment five, embodiment six and embodiment seven correspondence can be identical, it is also possible to different.

Embodiment nine

Assume have T=32 downstream service cell aggregation and configuration from carrier dispatching；

Specific embodiment one

The CRC a length of 24 corresponding for DCI of the Serving cell of configuration polymerization.

Specific embodiment two

The DCI of the Serving cell of configuration polymerization comprises 2 bit check territories；

By increasing the length of CRC and/or increasing the false-alarm probability of verification territory reduction Downlink Control Information, improve the property of PDCCH Energy.

Embodiment ten

Assume have T=32 downstream service cell aggregation and configuration self scheduling.

Specific embodiment one

Configure total maximum blind Detecting number of times Mmax that all activated community is corresponding；

By limiting total blind Detecting number of times, reduce the false-alarm probability of Downlink Control Information, improve the performance of PDCCH.

Specific embodiment two

Use the carrier wave of the mode allocation activation of time-division.Subframe 1, activates most 16 Serving cells, subframe 2, activates at most 16 Serving cells.

By limiting the variable number activated in each subframe, reduce the false-alarm probability of Downlink Control Information, improve PDCCH The effect of performance.

Embodiment 11

Assume have T=32 downstream service cell aggregation and configuration from carrier dispatching；UE also included before obtaining descending control:

Carry out blind according to the maximum blind Detecting number of times Mmax_CC that all activated Serving cell determined is corresponding to activating Serving cell Detection, determines, according to one of following methods, the maximum blind Detecting number of times Mmax_CC that each activation Serving cell is corresponding, according to obtaining Each activate maximum blind Detecting number of times Mmax_CC corresponding to Serving cell each PDCCH activating Serving cell carried out blind Detection:

Method 1: each Mmax_CC activating Serving cell corresponding is suitable；

Method 2: main Serving cell and/or authorize the Mmax_CC and existing maximum blind Detecting time that the Serving cell on frequency spectrum is corresponding Number is identical, and other Mmax_CC activating Serving cell corresponding are suitable.

Specific embodiment one

Assuming that the variable number activated is 16, Mmax is 800, and employing method 1 determines Mmax_CC, and the most each activation is little Mmax_CC corresponding to district for (800/16) backward under round=50, according to maximum blind Detecting number of times 50, each is activated Serving cell PDCCH carry out blind Detecting.

Specific embodiment two

The variable number activated is 16, and Mmax is 800, and employing method 2 determines Mmax_CC, then main Serving cell Corresponding Mmax_CC is 60 (identical with existing maximum blind Detecting number of times), remains 15 and activates the maximum that Serving cell is corresponding Blind Detecting for ((800-60)/15) backward under round=49, according to maximum blind Detecting number of times 50, each is activated Serving cell PDCCH carries out blind Detecting.

Specific embodiment three

The variable number activated is 16, and the activation Serving cell number being on mandate carrier wave is 10, uses method 2 true Determine Mmax_CC, then the Mmax_CC that be on mandate carrier wave 10 activate Serving cells corresponding are 60, remain 6 Activate maximum blind Detecting corresponding to Serving cell for ((800-60*10)/6) backward under round=33, according to maximum blind Detecting number of times 50 Each PDCCH activating Serving cell is carried out blind Detecting.

Reduce the false-alarm probability of Downlink Control Information by limiting total blind Detecting number of times, improve the work of the performance of PDCCH With.

In sum, by the DCI that the present invention is corresponding to the Serving cell configuration of polymerization, solve in correlation technique and supporting extremely In the case of the polymerization of many 32 Serving cells, the problem of the Downlink Control Information obtaining each Serving cell that terminal cannot be correct, Achieve the Downlink Control Information obtaining the Serving cell supporting at most 32 polymerizations that terminal is correct, thus correct solving is descending The effect of data.

In another embodiment, additionally providing a kind of software, this software is used for performing above-described embodiment and preferred implementation Described in technical scheme.

In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned software, this storage Medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc..

Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general calculating Device realizes, and they can concentrate on single calculating device, or is distributed on the network that multiple calculating device is formed, Alternatively, they can realize with calculating the executable program code of device, it is thus possible to be stored in storing device In perform by calculating device, and in some cases, can with the order being different from herein perform shown or described by step Suddenly, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single Integrated circuit modules realizes.So, the present invention is not restricted to the combination of any specific hardware and software.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc. With replacement, improvement etc., should be included within the scope of the present invention.

Claims

1. the collocation method of a Downlink Control Information DCI, it is characterised in that including:

At most support the carrier aggregation of T carrier wave and configure when carrier dispatching, using one below mode for polymerization DCI corresponding to Serving cell configuration:

Mode 1: carrier wave instructions field CIF is set to N-bit, wherein, N=ceil (log2 (T)), N is just Integer；

Mode 2: described CIF is set to X bit, and wherein, X is positive integer, X is less than N；

Wherein, described CIF is for indicating the DSCH Downlink Shared Channel PDSCH institute corresponding with the DCI comprising described CIF Serving cell；

The described DCI corresponding with described Serving cell is sent to terminal.

Method the most according to claim 1, it is characterised in that the DCI corresponding for the Serving cell configuration of polymerization also wraps Include:

At least one rule below using when at most supporting the carrier aggregation of described T carrier wave and configure self scheduling is The DCI that the configuration of described Serving cell is corresponding:

Rule 1: CRC length corresponding for described DCI is more than L, and wherein L is 16；

Rule 2: described DCI includes verifying territory, and size corresponding to wherein said verification territory is F bit, and F is Positive integer more than 0.

Method the most according to claim 1, it is characterised in that including:

In the case of described CIF is X bit, the virtual carrier corresponding by Serving cell described in signal deployment refers to Show, wherein, the index that the instruction of described virtual carrier is concentrated at virtual carrier for indicating described Serving cell, wherein, Described virtual carrier collection obtains according to described signal deployment.

Method the most according to claim 3, it is characterised in that configure the virtual carrier instruction that described Serving cell is corresponding Mode include at least one of:

Described void is configured according to the corresponding relation comprised between the DCI of described CIF and the PDSCH of described Serving cell Intend carrier wave instruction；

The instruction of described virtual carrier is configured according to described CIF.

Method the most according to claim 1, it is characterised in that to terminal send corresponding with described Serving cell described in Also include before DCI:

The Serving cell of polymerization is grouped.

Method the most according to claim 5, it is characterised in that include after the Serving cell being polymerized is grouped:

The size configuring in each packet DCI corresponding to each Serving cell is identical；Or,

Configure in each packet that the size of DCI format corresponding to each Serving cell is identical and each Serving cell Proprietary search volume identical, wherein, the identical proprietary search referring to each Serving cell in described proprietary search volume The starting point in space is identical with search volume size.

Method the most according to claim 6, it is characterised in that include after the Serving cell being polymerized is grouped:

Configuring the little group index of each packet, wherein, described little group index is for determining each corresponding searching of group described Rope space.

Configuration belongs to the proprietary search volume of the Serving cell in same packets and is distributed in Physical Downlink Control Channel The Physical Downlink Control Channel ePDCCH of PDCCH or enhancing.

The proprietary search volume configuring the Serving cell in arbitrary packet is positioned at the same Resource Block of ePDCCH to set；

The proprietary search volume configuring the Serving cell belonged in different grouping is positioned at the different money of described ePDCCH Source block is to set；

Wherein, the Resource Block of described ePDCCH is relevant with the number of packet to the number of set.

Method the most according to claim 2, it is characterised in that for before the DCI that described Serving cell configuration is corresponding Also include: use the mode of time-division to activate described Serving cell.

11. methods according to claim 2, it is characterised in that for before the DCI that described Serving cell configuration is corresponding Also include: configure total maximum blind Detecting number of times that all activated Serving cell is corresponding.

12. according to the method according to any one of claim 1 to 11, it is characterised in that described Serving cell is that frequency division is double Work FDD Serving cell or TDD Serving cell.

The method of reseptance of 13. 1 kinds of downlink datas, it is characterised in that including:

Receive Downlink Control Information DCI；Wherein, to the carrier aggregation of multi-configuration T carrier wave, and be configured with across During carrier dispatching, described DCI is the DCI after configuring according to one below mode:

Mode 1: described CIF is expanded to N-bit, wherein, N=ceil (log2 (T)), wherein, N is just Integer；

Mode 2: described CIF is X bit, wherein, X is positive integer, and X is less than N；

Carrier wave instructions field CIF included according to described DCI determines corresponding with the DCI comprising described CIF descending Share the Serving cell at channel PDSCH place；

Downlink data is received from the PDSCH with the described Serving cell determined.

14. methods according to claim 13, it is characterised in that to T carrier wave described in multi-configuration carrier aggregation and During configuration self scheduling, described DCI is the DCI after using at least one following rule to configure:

Rule 2: described DCI includes verifying territory.

15. methods according to claim 13, it is characterised in that carrier wave instructions field CIF included according to described DCI The Serving cell at the DSCH Downlink Shared Channel PDSCH place corresponding for DCI determined and comprise described CIF includes:

In the case of described CIF is X bit, receiving virtual carrier instruction, wherein, the instruction of described virtual carrier is used In the index indicating described Serving cell to concentrate at virtual carrier；

Indicate according to described CIF and described virtual carrier and obtain the DCI comprising described CIF and described Serving cell The corresponding relation of PDSCH.

16. methods according to claim 15, it is characterised in that described virtual carrier collection and/or described virtual carrier refer to Show and obtain from signaling.

17. methods according to claim 16, it is characterised in that indicate according to described CIF and described virtual carrier and obtain The corresponding relation taken between the PDSCH of the DCI comprising described CIF and described Serving cell includes:

In the case of described CIF is identical with described virtual carrier instruction, determine that the DCI comprising described CIF is institute State the DCI corresponding to the PDSCH of Serving cell.

18. methods according to claim 14, it is characterised in that also include before receiving Downlink Control Information DCI:

Mode according to the time-division obtains activation Serving cell corresponding in each subframe/radio frames.

19. methods according to claim 15, it is characterised in that also include before receiving Downlink Control Information DCI:

Blind Detecting is carried out to activating Serving cell according to predetermined total maximum blind Detecting number of times.

20. according to the method according to any one of claim 13 to 19, it is characterised in that described Serving cell is that frequency division is double Work FDD Serving cell or TDD Serving cell.

The configuration device of 21. 1 kinds of Downlink Control Information DCI, described device is applied to base station, it is characterised in that including:

First configuration module, at most supporting the carrier aggregation of T carrier wave and configuring when carrier dispatching, uses One below mode is the DCI of the Serving cell configuration correspondence of polymerization:

Sending module, for sending the described DCI corresponding with described Serving cell to terminal.

22. devices according to claim 21, it is characterised in that described device also includes:

Second configuration module, during at most supporting carrier aggregation and the configuration self scheduling of described T carrier wave employing with At least one lower rule is the DCI of described Serving cell configuration correspondence:

Rule 2: described DCI includes verifying territory, and size corresponding to wherein said verification territory is F bit.

23. devices according to claim 21, it is characterised in that described device also includes:

3rd configuration module is in the case of described CIF is X bit, little by servicing described in signal deployment The virtual carrier instruction that district is corresponding, wherein, the instruction of described virtual carrier is used for indicating described Serving cell in virtual load The index that ripple is concentrated, wherein, described virtual carrier collection obtains according to described signal deployment.

24. devices according to claim 23, it is characterised in that described 3rd configuration module includes:

First dispensing unit, for according to comprising between the DCI of described CIF and the PDSCH of described Serving cell Corresponding relation configures the instruction of described virtual carrier；And/or,

Second dispensing unit, for configuring the instruction of described virtual carrier according to described CIF.

25. devices according to claim 21, it is characterised in that described device also includes:

Grouping module, for being grouped the Serving cell of polymerization.

26. devices according to claim 25, it is characterised in that described device also includes:

4th configuration module is identical for configuring in each packet the size of the DCI corresponding to each Serving cell； Or,

5th configuration module, for configuring the size phase of the interior DCI format corresponding to each Serving cell of each packet With and the proprietary search volume of each Serving cell identical, wherein, described proprietary search volume is identical refers to each The starting point of the proprietary search volume of Serving cell is identical with search volume size.

27. devices according to claim 26, it is characterised in that described device also includes:

6th configuration module, for configuring the little group index of each packet, wherein, described little group index is used for determining The search volume that each group described is corresponding.

28. devices according to claim 25, it is characterised in that described device also includes:

7th configuration module, the proprietary search volume belonging to the Serving cell in same packets for configuration is distributed in thing Reason down control channel PDCCH or the Physical Downlink Control Channel ePDCCH of enhancing.

29. devices according to claim 25, it is characterised in that described device also includes:

8th configuration module, is positioned at ePDCCH for configuring the proprietary search volume of the Serving cell in arbitrary packet Same Resource Block to set；

9th configuration module, the proprietary search volume belonging to the Serving cell in different grouping for configuration is positioned at described The different Resource Block of ePDCCH is to set；

30. devices according to claim 22, it is characterised in that described device also includes:

Active module, for using the mode of time-division to activate described Serving cell.

31. devices according to claim 22, it is characterised in that described device also includes:

Configuration module, configures total maximum blind Detecting number of times that all activated Serving cell is corresponding.

32. according to the device according to any one of claim 21 to 31, it is characterised in that described Serving cell is that frequency division is double Work FDD Serving cell or TDD Serving cell.

The reception device of 33. 1 kinds of downlink datas, described device is applied to terminal, it is characterised in that described device includes:

First receiver module, is used for receiving Downlink Control Information DCI；Wherein, to the carrier wave of multi-configuration T carrier wave Polymerization and configuration are when carrier dispatching, and described DCI is the DCI after configuring according to one below mode:

Determining module, carrier wave instructions field CIF for including according to described DCI determines and comprises described CIF's The Serving cell at DSCH Downlink Shared Channel PDSCH place corresponding for DCI；

Second receiver module, for receiving downlink data from the PDSCH with the described Serving cell determined.

34. devices according to claim 33, it is characterised in that at most support described T carrier wave carrier aggregation and During configuration self scheduling, described DCI is the DCI after using at least one following rule to configure:

Rule 2: described DCI includes verifying territory.

35. devices according to claim 33, it is characterised in that described determine that module includes:

Receive unit, in the case of described CIF is X bit, receive virtual carrier instruction, wherein, described The index that virtual carrier instruction is concentrated at virtual carrier for indicating described Serving cell；

Determine unit, for indicate according to described CIF and described virtual carrier obtain the DCI comprising described CIF and The corresponding relation of the PDSCH of described Serving cell.

36. devices according to claim 35, it is characterised in that described reception unit is additionally operable to from signaling receive institute State virtual carrier collection and/or the instruction of described virtual carrier.

37. devices according to claim 36, it is characterised in that described determine that module is additionally operable in described CIF and institute State virtual carrier instruction identical in the case of, determine the PDSCH that DCI is described Serving cell comprising described CIF Corresponding DCI.

38. devices according to claim 34, it is characterised in that described device also includes:

Acquisition module, for obtaining activation Serving cell corresponding in each subframe/radio frames according to the mode of time-division.

39. methods according to claim 35, it is characterised in that described device also includes:

Detection module, for carrying out blind Detecting according to predetermined total maximum blind Detecting number of times to activating Serving cell.

40. according to the device according to any one of claim 33 to 39, it is characterised in that described Serving cell is that frequency division is double Work FDD Serving cell or TDD Serving cell.