CN105578608A - Downlink control information transmitting and receiving method and device - Google Patents
Downlink control information transmitting and receiving method and device Download PDFInfo
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- CN105578608A CN105578608A CN201510976330.9A CN201510976330A CN105578608A CN 105578608 A CN105578608 A CN 105578608A CN 201510976330 A CN201510976330 A CN 201510976330A CN 105578608 A CN105578608 A CN 105578608A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention provides a downlink control information (DCI) transmitting and receiving method and device. The method comprises: a base station device transmitting DCI on the PDCCH (Physical Downlink Control Channel) of a downlink subframe, wherein the DCI indicates UE (User Equipment) to receive the first PDSCH (Physical Downlink Shared Channel) information used for local carrier scheduling on the downlink subframe, and second PDSCH information used for cross carrier scheduling on at least one other downlink subframe; and the base station device transmitting the first PDSCH information on the downlink subframe, and the second PDSCH information on other downlink subframe. Accordingly, the base station device employs a local carrier scheduling and cross carrier scheduling combination mode to realize downlink control of carrier resources, allowing the UE to rapidly determine the PDCCH carried by the carrier resources used for cross carrier scheduling after receiving the DCI transmitted by a PDCCH, thereby effectively decreasing the times of blind detection, reducing the interference caused by blind detection, and increasing the scheduling efficiency of downlink control resources.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of sending, receiving method and equipment of Downlink Control Information.
Background technology
Along with the development of the communication technology, Long Term Evolution is (English: LongTermEvolution; Abbreviation: LTE) system supports multiple different transmission bandwidth, such as: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz and 20MHz etc.But, along with type of service and use the increase of number of users, need to carry out dilatation to communication system at transmission bandwidth, carrier aggregation is (English: CarrierAggregation; Abbreviation: CA) technology can be polymerized multiple member carrier (English: ComponentCarrier; Abbreviation: CC), reach the object of transmission bandwidth being carried out to dilatation with this.
Find after deliberation, in actual applications, base station equipment is after for terminal equipment configuration scheduling resource, and terminal equipment needs to obtain by the mode of blind Detecting the carrier resource for transmitting downlink data that base station equipment is its configuration.Generally, it is that the quantity of the carrier resource that it configures is relevant that terminal equipment performs the number of times of blind Detecting and base station equipment, such as: when the quantity that base station equipment is the carrier resource of terminal equipment configuration is 5, suppose that terminal equipment is monitored at 2 public search spaces and 3 exclusive search volumes respectively, (English: DownlinkControlInformation to obtain the Downlink Control Information carrying 5 carrier resources be assigned with; Abbreviation: DCI), according to statistics, in this case, the maximum blind Detecting number of times of terminal equipment can reach 264 times; When the quantity that base station equipment is the carrier resource of terminal equipment configuration is 32, in the manner described above, the maximum blind Detecting number of times of terminal equipment can reach 1560 times.
As can be seen here, it is the increase of the carrier resource quantity of terminal equipment configuration along with base station equipment, the number of times of terminal equipment blind Detecting also increases thereupon, and the confirmation signaling data causing terminal equipment to feed back to base station equipment like this increases, and causes the interference between different channels.
Summary of the invention
In view of this, embodiments providing a kind of sending, receiving method and equipment of Downlink Control Information, causing for solving terminal equipment blind Detecting number of times increase in prior art the problem that the interference ratio between different channels is larger.
A sending method for Downlink Control Information, comprising:
Base station equipment sends Downlink Control Information DCI in the physical downlink control channel PDCCH of a descending sub frame, wherein, described DCI equipment for indicating user UE receives for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame;
Described base station equipment sends a described PDSCH information respectively and on other descending sub frames described, sends described 2nd PDSCH information on described descending sub frame.
A method of reseptance for Downlink Control Information, comprising:
User equipment (UE) receives the Downlink Control Information DCI that base station equipment sends, wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive for the 2nd PDSCH information across carrier dispatching at least one other descending sub frame;
Described UE according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
A transmitting apparatus for Downlink Control Information, comprising:
Downlink Control Information transmitting element, Downlink Control Information DCI is sent in the physical downlink control channel PDCCH at a descending sub frame, wherein, described DCI equipment for indicating user UE receives for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame;
Physical Downlink Shared Channel information transmitting unit, for sending a described PDSCH information respectively and send described 2nd PDSCH information on other descending sub frame described on described descending sub frame.
A receiving equipment for Downlink Control Information, comprising:
Downlink Control Information receiving element, for receiving the Downlink Control Information DCI that base station equipment sends, wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive for the 2nd PDSCH information across carrier dispatching at least one other descending sub frame;
Physical Downlink Shared Channel information receiving unit, for according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
Beneficial effect of the present invention is as follows:
The embodiment of the present invention sends Downlink Control Information DCI by base station equipment on the PDCCH of a descending sub frame, and described DCI equipment for indicating user UE receives for a PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame; Described base station equipment sends a described PDSCH information respectively and on other descending sub frames described, sends described 2nd PDSCH information on described descending sub frame.Like this, base station equipment adopts this carrier dispatching and the mode combined across carrier dispatching to realize the descending control of carrier resource, make subscriber equipment after receiving the DCI that a PDCCH sends, the PDCCH carried across the carrier resource of carrier dispatching can be determined fast, and then effectively reduce the number of times of blind Detecting, reduce the interference that blind Detecting is brought, promote the dispatching efficiency of descending control resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the inventive method of a kind of Downlink Control Information that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram that Fig. 2 (a) is this carrier dispatching;
Fig. 2 (b) is the schematic diagram across carrier dispatching;
The schematic flow sheet of the method for reseptance of a kind of Downlink Control Information that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the structural representation of the transmitting apparatus embodiments providing a kind of Downlink Control Information;
Fig. 5 is the structural representation of the receiving equipment embodiments providing a kind of Downlink Control Information.
Embodiment
In order to realize object of the present invention, embodiments provide a kind of sending, receiving method and equipment of Downlink Control Information, on the PDCCH of a descending sub frame, send Downlink Control Information DCI by base station equipment, described DCI equipment for indicating user UE receives for a PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame; Described base station equipment sends a described PDSCH information respectively and on other descending sub frames described, sends described 2nd PDSCH information on described descending sub frame.Like this, base station equipment adopts this carrier dispatching and the mode combined across carrier dispatching to realize the descending control of carrier resource, make subscriber equipment after receiving the DCI that a PDCCH sends, the PDCCH carried across the carrier resource of carrier dispatching can be determined fast, and then effectively reduce the number of times of blind Detecting, reduce the interference that blind Detecting is brought, promote the dispatching efficiency of descending control resource.
Below in conjunction with Figure of description, each embodiment of the present invention is described in further detail.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The schematic flow sheet of the inventive method of a kind of Downlink Control Information that Fig. 1 provides for the embodiment of the present invention.Described method can be as follows.
Step 101: base station equipment sends DCI on the PDCCH of a descending sub frame.
Wherein, described DCI equipment for indicating user is (English: UserEquipment; Abbreviation: UE) receive the first Physical Downlink Shared Channel being used for this carrier dispatching (English: PhysicalDownlinkSharedChannel on described descending sub frame; Abbreviation: PDSCH) information and receiving at least one other descending sub frame is used for across the 2nd PDSCH information of carrier dispatching.
In a step 101, in LTE system, (English: TransmissionTimeInterval at each transmission time interval; Abbreviation: TTI), UE is (English: PhysicalDownlinkControlChannel by blind Detecting Physical Downlink Control Channel; Abbreviation: PDCCH) or enhancement mode Physical Downlink Control Channel (English: enhancedPhysicalDownlinkControlChannel; Abbreviation: ePDCCH), obtains Downlink Control Information (English: DownlinkControlInformation; Abbreviation: DCI).
Wherein, the scheduling authorization information of down dispatch information and sub-frame of uplink is comprised in described DCI.
In addition, PDCCH is Physical Downlink Control Channel, be positioned at the control domain part of the time-domain resource of a subframe, namely in time-domain resource, occupy top n OFDM (OrthogonalFrequencyDivisionMultiplexing OFDM) symbol in a subframe, and (English: PhysicalControlFormatIndicationChannel by Physical Control Format Indicator Channel; Abbreviation: top n OFDM symbol PCFICH) indicating PDCCH channel occupancy.
It should be noted that, N is greater than 0 and is less than or equal to 3, and usually when system bandwidth is 1.4M, N value is 4.
EPDCCH takies whole subframe, frequency domain resource takies one or more Resource Block (English: ResourceBlock; Abbreviation: RB).
In an embodiment of the present invention, physical downlink control channel PDCCH is a general designation, comprises this PDCCH being positioned at the top n OFDM of a subframe and/or this ePDCCH.
In order to solve the problem that number of carriers increase causes UE blind Detecting number of times to increase, the embodiment of the present invention proposes the mode of combined dispatching, namely this carrier dispatching combines with across carrier dispatching, mean, base station equipment is that the carrier resource of UE configuration is carried on different PDCCH, and base station equipment sends DCI by the PDCCH at this carrier resource place, instruction UE can dispatch across carrier resource, reduce UE, blind Detecting number of times, effectively improve the dispatching efficiency of carrier resource.
As shown in Fig. 2 (a), it is the schematic diagram of this carrier dispatching; As shown in Fig. 2 (b), it is the schematic diagram across carrier dispatching.
Preferably, before base station equipment sends DCI on the PDCCH of a descending sub frame, described method also comprises:
Base station equipment is that UE configures at least two carrier resources, and determines to carry the PDCCH of carrier resource described in each, and wherein, the PDCCH of described at least two carrier resources carrying is different.
Particularly, suppose that base station equipment is that UE configures 32 carrier resources, these 32 carrier resources can divide into groups according to the carrier aggregation grade specified in agreement by base station equipment, suppose these 32 carrier resources to be divided into 4 groups of carrier resource set, in each group carrier resource set, comprise 8 carrier resources; Or suppose these 32 carrier resources to be divided into 8 groups of carrier resource set, in each group carrier resource set, comprise 4 carrier resources.Here be described to be divided into 8 groups.
The PDCCH carrying each group carrier resource set, after being divided into groups by 32 carrier resources, is determined in base station.Namely a PDCCH can carry multiple carrier resource.
Like this, base station equipment sends DCI on the PDCCH of a descending sub frame, comprising:
Base station equipment selects a PDCCH from the PDCCH determining to carry carrier resource described in each, and DCI is sent on the descending sub frame that the PDCCH selected is corresponding, wherein, the carrier resource of the PDCCH carrying selected is this carrier wave, and this DCI indicates UE receive for a PDSCH information of this carrier dispatching on described descending sub frame and at least one other descending sub frame, receive the 2nd PDSCH information be used for across carrier dispatching.
Such as: from 8 groups obtained above, select wherein one group of carrier resource set, the carrier resource comprised in this group carrier resource set selected is referred to as this carrier resource, by can be called across carrier resource by the carrier resource that UE dispatches outside these 8 groups.
So in this DCI instruction can by UE dispatch across carrier resource, such UE, when blind check measures this DCI, according to this DCI, different descending sub frames can receive the PDSCH information of different carrier resource.
It should be noted that, DCI described in the embodiment of the present invention can be traditional DCI, also can be a kind of DCI of format.
If the DCI that base station equipment sends is a kind of DCI of format, namely described base station equipment sends DCI and meets on the PDCCH of a descending sub frame: comprise carrier wave set indication information and carrier indication information in the DCI that described base station equipment sends.
Wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
Here it should be noted that, still obtain 8 groups of carrier resource set for above-mentioned, the carrier wave set indication information so comprised in DCI indicates these 8 groups of carrier resource set to be carrier resource set for carrier dispatching, one group of carrier resource set belongs to the carrier resource set of this carrier dispatching, and all the other 7 groups of carrier resource set belong to the carrier resource set across carrier dispatching; Which carrier resource comprised in the carrier resource set that the carrier indication information instruction comprised in DCI belongs to across carrier dispatching belongs to the carrier resource across carrier dispatching, all can belong to the carrier resource across carrier dispatching, also partly can belong to the carrier resource across carrier dispatching.
In addition, still suppose that base station equipment has 32 carrier resources, according to carrier aggregation grade, 32 carrier resources are divided into 8 groups of carrier resource set, 4 carrier resources are comprised in each group carrier resource set, base station equipment can also to determine in these 8 groups of carrier resource set which group carrier resource set is for across carrier dispatching, determine these for across which carrier resource in the carrier resource set of carrier dispatching for across carrier dispatching, wherein, which group carrier resource set described carrier wave set indication information can also indicate for across carrier dispatching, carrier indication information can also indicate for across which carrier resource in the carrier resource set of carrier dispatching for across carrier dispatching, such terminal equipment is after receiving DCI, the carrier resource set across carrier dispatching can be determined according to the carrier wave set indication information comprised in DCI, the carrier resource across carrier dispatching is determined according to the carrier indication information comprised in DCI.
Alternatively, described carrier indication information is that carrier wave instructions field is (English: CarrierIndicatorField; Abbreviation: CIF) information.
Alternatively, described carrier wave set indication information is that carrier wave instructions field is (English: CarrierIndicatorField; Abbreviation: CIF) information.
Alternatively, hybrid automatic repeat-request is also comprised in the DCI that described base station equipment sends (English: HybridARQ; Abbreviation: HARQ) information.
Wherein, described HARQ information indicates HARQ entity corresponding to described HARQ information to be that the carrier resource comprised in described carrier resource set shares use.
Alternatively, before described base station equipment sends DCI on the PDCCH of a descending sub frame, described method also comprises:
Described base station equipment sends downlink transfer pattern information to user equipment (UE).
Wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects DCI.
It should be noted that, the bit number of the DCI that base station equipment described in the embodiment of the present invention sends can be identical with the bit number of DCIformat2D, also can be identical with the bit number of DCIformat other types, is not specifically limited here.
Step 102: described base station equipment sends a described PDSCH information respectively and send described 2nd PDSCH information on other descending sub frames described on described descending sub frame.
In a step 102, " a PDSCH information " and " the 2nd PDSCH information " refers to different PDSCH information, and " first " and " second " does not here have other implications, just in order to distinguish different PDSCH information.
By the scheme described in the embodiment of the present invention, base station equipment sends Downlink Control Information DCI on the PDCCH of a descending sub frame, and described DCI equipment for indicating user UE receives for a PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame; Described base station equipment sends a described PDSCH information respectively and on other descending sub frames described, sends described 2nd PDSCH information on described descending sub frame.Like this, base station equipment adopts this carrier dispatching and the mode combined across carrier dispatching to realize the descending control of carrier resource, make subscriber equipment after receiving the DCI that a PDCCH sends, the PDCCH carried across the carrier resource of carrier dispatching can be determined fast, and then effectively reduce the number of times of blind Detecting, reduce the interference that blind Detecting is brought, promote the dispatching efficiency of descending control resource.
DCI described in the embodiment of the present invention can be a kind of DCI of format, and the form of this DCI can obtain based on DCIformat2D, and the particular content comprised can be as shown in table 1:
Table 1
Wherein, the Resourse Distribute of 6 bits instruction 20MHz (100PRB) shared by resource block assignments.
The schematic flow sheet of the method for reseptance of a kind of Downlink Control Information that Fig. 3 provides for the embodiment of the present invention.Shown method can be as follows.The executive agent of the embodiment of the present invention is subscriber equipment.
Step 301:UE receives the Downlink Control Information DCI that base station equipment sends.
Wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
In step 301, UE receives the DCI of base station equipment transmission by blind Detecting mode.Here blind Detecting mode can be identical with the mode of blind Detecting in prior art, is not specifically limited here.
Alternatively, described method also comprises:
Described UE receives the downlink transfer pattern information that described base station sends.
Wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects Downlink Control Information DCI.
Now, described UE is according to described downlink transfer pattern information, the Downlink Control Information DCI that blind detection of base station equipment sends, wherein, the DCI that described base station equipment sends meets: comprise carrier wave set indication information and carrier indication information in the DCI that described base station equipment sends, wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
Alternatively, described carrier indication information is that carrier wave instructions field is (English: CarrierIndicatorField; Abbreviation: CIF) information.
Alternatively, described carrier wave set indication information is that carrier wave instructions field is (English: CarrierIndicatorField; Abbreviation: CIF) information.
Alternatively, hybrid automatic repeat-request is also comprised in the DCI that described base station equipment sends (English: HybridARQ; Abbreviation: HARQ) information.
Wherein, described HARQ information indicates HARQ entity corresponding to described HARQ information to be that the carrier resource comprised in described carrier resource set shares use.
Step 302: described UE according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
Like this, base station equipment adopts this carrier dispatching and the mode combined across carrier dispatching to realize the descending control of carrier resource, make subscriber equipment after receiving the DCI that a PDCCH sends, the PDCCH carried across the carrier resource of carrier dispatching can be determined fast, and then effectively reduce the number of times of blind Detecting, reduce the interference that blind Detecting is brought, promote the dispatching efficiency of descending control resource.
Fig. 4 is the structural representation of the transmitting apparatus embodiments providing a kind of Downlink Control Information.Described transmitting apparatus comprises: Downlink Control Information transmitting element 41 and Physical Downlink Shared Channel information transmitting unit 42, wherein:
Downlink Control Information transmitting element 41, DCI is sent on the PDCCH at a descending sub frame, wherein, described DCI equipment for indicating user UE receives for a PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame;
Physical Downlink Shared Channel information transmitting unit 42, for sending a described PDSCH information respectively and send described 2nd PDSCH information on other descending sub frame described on described descending sub frame.
Alternatively, described transmitting apparatus also comprises: determining unit 43, wherein:
Described determining unit 43, send DCI on the PDCCH at a descending sub frame before, be user equipment (UE) configuration at least two carrier resources, and determine to carry the down control channel PDCCH of carrier resource described in each, wherein, the PDCCH of described at least two carrier resources carrying is different;
Described Downlink Control Information transmitting element 41, specifically for selecting a PDCCH from the PDCCH determining to carry carrier resource described in each, and DCI is sent on the descending sub frame that the PDCCH selected is corresponding, wherein, the carrier resource of the PDCCH carrying of selection is this carrier wave.
In another embodiment of the invention, the DCI that transmitting apparatus sends on the PDCCH of a descending sub frame meets: comprise carrier wave set indication information and carrier indication information in the DCI of transmission, wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
In another embodiment of the invention, also comprise HARQ information in the DCI of described transmission, wherein, described HARQ information indicates HARQ entity corresponding to described HARQ information to be that the carrier resource comprised in described carrier resource set shares use.
In another embodiment of the invention, described carrier indication information is CIF information.
Described Downlink Control Information transmitting element 41, specifically for send DCI on the PDCCH of a descending sub frame before, sends downlink transfer pattern information to UE, and wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects DCI.
It should be noted that, transmitting apparatus adopts this carrier dispatching and the mode combined across carrier dispatching to realize the descending control of carrier resource, make subscriber equipment after receiving the DCI that a PDCCH sends, the PDCCH carried across the carrier resource of carrier dispatching can be determined fast, and then effectively reduce the number of times of blind Detecting, reduce the interference that blind Detecting is brought, promote the dispatching efficiency of descending control resource.
Fig. 5 is the structural representation of the receiving equipment embodiments providing a kind of Downlink Control Information.Described receiving equipment comprises: Downlink Control Information receiving element 51 and Physical Downlink Shared Channel receiving element 52, wherein:
Downlink Control Information receiving element 51, for receiving the Downlink Control Information DCI that base station equipment sends, wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive for the 2nd PDSCH information across carrier dispatching at least one other descending sub frame;
Physical Downlink Shared Channel receiving element 52, for according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
In another embodiment of the present invention, described Downlink Control Information receiving element 51, also for receiving the downlink transfer pattern information that described base station sends, wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects Downlink Control Information DCI;
Described Physical Downlink Shared Channel receiving element 52, specifically for according to described downlink transfer pattern information, the DCI that blind detection of base station equipment sends, wherein, the DCI that described base station equipment sends meets: comprise carrier wave set indication information and carrier indication information in the DCI that described base station equipment sends, wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, device (equipment) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling 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 to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a sending method for Downlink Control Information, is characterized in that, comprising:
Base station equipment sends Downlink Control Information DCI in the physical downlink control channel PDCCH of a descending sub frame, wherein, described DCI equipment for indicating user UE receives for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame;
Described base station equipment sends a described PDSCH information respectively and on other descending sub frames described, sends described 2nd PDSCH information on described descending sub frame.
2. the sending method of Downlink Control Information according to claim 1, is characterized in that, before base station equipment sends DCI on the PDCCH of a descending sub frame, described method also comprises:
Base station equipment is user equipment (UE) configuration at least two carrier resources, and determines to carry the down control channel PDCCH of carrier resource described in each, and wherein, the PDCCH of described at least two carrier resources carrying is different;
Base station equipment sends Downlink Control Information DCI in the physical downlink control channel PDCCH of a descending sub frame, comprising:
Base station equipment selects a PDCCH from the PDCCH determining to carry carrier resource described in each, and sends DCI on the descending sub frame that the PDCCH selected is corresponding, and wherein, the carrier resource of the PDCCH carrying of selection is this carrier wave.
3. the sending method of Downlink Control Information according to claim 2, it is characterized in that, the DCI that base station equipment sends on the PDCCH of a descending sub frame meets: comprise carrier wave set indication information and carrier indication information in the DCI that described base station equipment sends, wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
4. the sending method of Downlink Control Information according to claim 3, it is characterized in that, hybrid automatic repeat-request HARQ information is also comprised in the DCI that described base station equipment sends, wherein, described HARQ information indicates HARQ entity corresponding to described HARQ information to be that the carrier resource comprised in described carrier resource set shares use.
5. the sending method of Downlink Control Information according to claim 3, is characterized in that, described carrier indication information is carrier wave instructions field CIF information.
6. the sending method of the Downlink Control Information according to any one of claim 1 to 5, is characterized in that, before described base station equipment sends DCI on the PDCCH of a descending sub frame, described method also comprises:
Described base station equipment sends downlink transfer pattern information to user equipment (UE), and wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects Downlink Control Information DCI.
7. a method of reseptance for Downlink Control Information, is characterized in that, comprising:
User equipment (UE) receives the Downlink Control Information DCI that base station equipment sends, wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive for the 2nd PDSCH information across carrier dispatching at least one other descending sub frame;
Described UE according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
8. the method for reseptance of Downlink Control Information according to claim 7, is characterized in that, described method also comprises:
Described UE receives the downlink transfer pattern information that described base station sends, and wherein, described downlink transfer pattern information is used to indicate the format information that described UE detects Downlink Control Information DCI;
UE receives the Downlink Control Information DCI that base station equipment sends, and comprising:
Described UE is according to described downlink transfer pattern information, the Downlink Control Information DCI that blind detection of base station equipment sends, wherein, the DCI that described base station equipment sends meets: comprise carrier wave set indication information and carrier indication information in the DCI that described base station equipment sends, wherein, described carrier wave set indication information instruction is used for the carrier resource set of carrier dispatching, and described carrier indication information indicates in described carrier resource set for the carrier resource across carrier dispatching.
9. a transmitting apparatus for Downlink Control Information, is characterized in that, comprising:
Downlink Control Information transmitting element, Downlink Control Information DCI is sent in the physical downlink control channel PDCCH at a descending sub frame, wherein, described DCI equipment for indicating user UE receives for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching and at least one other descending sub frame, receives the 2nd PDSCH information be used for across carrier dispatching on described descending sub frame;
Physical Downlink Shared Channel information transmitting unit, for sending a described PDSCH information respectively and send described 2nd PDSCH information on other descending sub frame described on described descending sub frame.
10. a receiving equipment for Downlink Control Information, is characterized in that, comprising:
Downlink Control Information receiving element, for receiving the Downlink Control Information DCI that base station equipment sends, wherein, described DCI indicates described UE receive for the first Physical Downlink Shared Channel PDSCH information of this carrier dispatching on a descending sub frame and receive for the 2nd PDSCH information across carrier dispatching at least one other descending sub frame;
Physical Downlink Shared Channel information receiving unit, for according to described DCI, receive the first Physical Downlink Shared Channel PDSCH information for this carrier dispatching that described base station equipment sends on a descending sub frame and send at least one other descending sub frame for the 2nd PDSCH information across carrier dispatching.
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