CN102625456B - The transmission of Downlink Control Information, receive and transmission method and relevant apparatus - Google Patents
The transmission of Downlink Control Information, receive and transmission method and relevant apparatus Download PDFInfo
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Abstract
The present invention discloses a kind of transmission of Downlink Control Information, receives and transmission method and relevant apparatus, wherein, described sender method, including：Base station in subframe sends Downlink Control Information by Physical Downlink Control Channel (PDCCH) and gives user equipment (UE), wherein, one or more dispatching downlink shared channels (PDSCH) or Uplink Shared Channel (PUSCH) during the Downlink Control Information of a PDCCH carrying is used for as follows：Dispatch multiple PDSCH；Dispatch multiple PUSCH；One PDSCH of scheduling, the PDSCH are transmitted in multiple continuous subframes；One PUSCH of scheduling, the PUSCH are transmitted in multiple continuous subframes.By the present invention, realize under the indoor focus covering scene of LTE, carry out Downlink Control Information transmission and receive and monitor, and be capable of achieving the transmission of low overhead, rapid rate and high reliability.
Description
Technical field
The present invention relates to a kind of Downlink Control Information in field of mobile wireless communication, more particularly to wireless communication system
Send, receive and transmission method and relevant apparatus.
Background technology
Radio frames (radio frame) in Long Term Evolution (LTE, Long Term Evolution) system are including frequency division
Duplexing (FDD, Frequency Division Duplex) pattern and time division duplex (TDD, Time Division Duplex) mould
The frame structure of formula.The frame structure of fdd mode, as shown in figure 1, the radio frames of 10 milliseconds (ms) by 20 length are
0.5ms, time slot (slot) composition of numbering 0～19, subframe (subframe) i of the time slot 2i and 2i+1 composition length for 1ms.
The frame structure of tdd mode, as shown in Fig. 2 field (half frame) group of the radio frames of a 10ms by two a length of 5ms
Into field includes the subframe that 5 length are 1ms, and subframe i is defined as the time slot 2i and 2i+1 of 2 a length of 0.5ms.Upper
State in two kinds of frame structures, for standard cyclic prefix (Normal CP, Normal Cyclic Prefix), a time slot includes 7
Symbol of the individual length for 66.7 microseconds (us), wherein the CP length of first symbol is 5.21us, the length of remaining 6 symbol is
4.69us；For extended cyclic prefix (Extended CP, Extended Cyclic Prefix), a time slot is accorded with comprising 6
Number, the CP length of all symbols is 16.67us.
The version number of LTE corresponds to R8 (Release 8), and it is R9 (Release 9) which increases the corresponding version number of version.
Following three kinds of downlink physical control channels defined in LTE：Physical down control format indicates channel (PCFICH, Physical
Control Format Indicator Channel)；Physical hybrid automatic repeat request indicator channel (PHICH, Physical
Hybrid Automatic RetransmissionRequest Indicator Channel)；Physical Downlink Control Channel
(PDCCH, Physical DownlinkControl Channel).
Wherein, the information that PCFICH is carried is used for the OFDM for indicating PDCCH is transmitted in a subframe
The number of (OFDM, Orthogonal Frequency Division Multiplexing) symbol, at first of subframe
Send in OFDM symbol, place frequency location is determined with cell ID (ID, Identity) by system descending bandwidth.
PHICH is used for acknowledgement/non-acknowledgement (ACK/NACK) feedback information for carrying uplink transmission data.PHICH
Number, time-frequency location can by PHICH be located descending carrier Physical Broadcast Channel (PBCH, Physical Broadcast
Channel the system message and cell ID in) determines.
PDCCH is used for bearing downlink control information (DCI, Downlink Control Information), including：Upper,
Down dispatch information, and uplink power control information.The form (DCI format) of DCI is divided into following several：DCI
format 0、DCI format 1、DCI format 1A、DCI format 1B、DCI format 1C、DCI format
1D, DCI format 2, DCI format 2A, DCI format 3 and DCI format 3A etc.；Wherein：
DCI format 0 are used to indicate Physical Uplink Shared Channel (PUSCH, Physical Uplink
SharedChannel scheduling)；
DCI format 1, DCI format 1A, DCI format 1B, DCI format 1C, DCI format1D are used
In the different mode of a PDSCH code words scheduling；
DCI format 2, DCI format 2A are used for the different mode of space division multiplexing；
DCI format 3, DCI format 3A are used for Physical Uplink Control Channel (PUCCH, PhysicalUplink
Control Channel) and PUSCH power control instruction different mode.
Further, wherein, DCI Format 1A transmission information it is as follows：
1 bit is used to select DCI Format 0 or DCI Format 1A；
1 bit is used to select localized virtual resource block (Localized Virtual Resource Block, LVRB)
Or the resource distribution mode of distributed virtual resource block (Distributed Virtual Resource Block, DVRB)；
Bit is used for resource block assignments (Resource BlockAssignment),
Wherein,Descending bandwidth is represented, is represented with the quantity of Resource Block RB (ResourceBlock).
5 bits are used to indicate modulation coding mode (Modulation and Coding Scheme, MCS)；
In FDD system, 3 bits are used for HARQ (Hybrid Automatic Repeat-reQuest, mixed automatic retransfer
Request) enter number of passes；In TDD system, 4 bits enter number of passes for HARQ.
1 bit is used for new data and indicates (New Data Indicator, NDI)；
2 bits are used to indicate redundancy versions (RV)；
2 bits are used for TPC (Transmit PowerControl, the through-put power control of Physical Uplink Control Channel PUCCH
System)；
2 bits are used for descending distribution index (DAI), and this function is only needed in the uplink-downlink configuration of TDD system, in FDD systems
Need not in system；
16 bits are used for cyclic redundancy check (CRC) (CRC, Cyclic Redundancy Check)；
In a radio frame, if adopting routine CP (Cyclic Prefix, Cyclic Prefix), the first of each subframe
Can carry the physical resource of physical downlink control channel PDCCH in the front 1-3 OFDM symbol of individual time slot, and remaining symbol
On can be with the physical resource of bearing downlink shared channel PDSCH, as shown in Figure 3.For FDD subframe types, UE is corresponding
In subframe n on Serving cell monitor PDCCH on DCI format, then in the subframe of n+4 according to corresponding PDCCH come
Receive PDSCH data.For TDD subframe types, if up-downgoing be configured to configure 1-6, then UE services little accordingly
The DCI format on PDCCH are monitored in subframe n in area, then in the subframe of n+k according to corresponding PDCCH receiving
The value of PDSCH data, wherein k is as shown in table 1：
Table 1
If descending sets to 0, then indicate according to the UL index in up DCI format in n+k
Or in n+7 subframes according to corresponding PDCCH receiving PDSCH data, the wherein value of k such as table 1.
UE is arranged to based on a kind of following transmission mode by high-level signaling semi-static (semi-statically)
(transmission mode), according to the search space of user equipment proprietary (UE-Specific) PDCCH instruction connecing
Receive PDSCH data transfers：
Pattern 1：Single antenna port；0 (Single-antenna port of port；port 0)
Pattern 2：Transmitting diversity (Transmit diversity)
Pattern 3：Open-Loop Spatial Multiplexing (Open-loop spatial multiplexing)
Pattern 4：Closed-Loop Spatial Multiplexing (Closed-loop spatial multiplexing)
Pattern 5：Multi-user's multiple-input and multiple-output (Multi-user MIMO)
Pattern 6：Closed loop Rank=1 precoding (Closed-loop Rank=1 precoding)
Mode 7：Single antenna port；5 (Single-antenna port of port；port 5)
Pattern 8：Double-deck transmission (dual-layer transmission)；Port 7 and port 8 (7 and8 of port)
Pattern 9：Most 8 layers of transmission (8 layer transmission of up to), port 7- ports 14
If UE is set to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell RadioNetwork by high level
Temporary Identifier) cyclic redundancy check (CRC) (CRC, Cyclical RedundancyCheck) that scrambles to be carrying out
PDCCH is decoded, then UE should decode PDCCH to all related PDSCH according to the respective combination defined in table 2：
Table 2
Due to the demand to indoor focus soverlay technique, LTE focuses cover the focus for being increasingly becoming discussion, generally may be used
This technology is called with LTE-LAN (LTE-Local Area Networks).And for the field of this indoor focus covering
Under scape, downlink control channel information is how sending, and user terminal UE is how receiving and monitor PDCCH, is not also not
The problem of solution, also will make troubles to practical application.
The content of the invention
The technical problem to be solved is, there is provided a kind of transmission of Downlink Control Information, receive and transmission side
Method and relevant apparatus, with solve under the indoor focus covering scene of LTE, how to carry out Downlink Control Information transmission and receive with
The problem of monitoring.
In order to solve the above problems, the present invention provides a kind of sending method of Downlink Control Information, including：
Base station sends Downlink Control Information to user equipment by Physical Downlink Control Channel (PDCCH) in subframe
(UE), wherein, the Downlink Control Information that PDCCH is carried be used for as follows in one or more dispatching downlinks altogether
Enjoy channel (PDSCH) or Uplink Shared Channel (PUSCH)：
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes.
Preferably, above-mentioned sending method has the characteristics that：
When the Downlink Control Information that a PDCCH is carried is used to dispatch a channel,
The base station carries a resource block assignment information and a modulation coding mode block message in the descending control
In information processed, UE is sent to, the channel adopts identical resource block assignment information and modulation coding mode block message；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, the channel adopts identical resource block assignment information and different modulation coding mode block messages；
Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the descending control
In information processed, UE is sent to, the channel adopts different resource block assignment informations and identical modulation coding mode block message；
Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, the channel adopts different resource block assignment informations and different modulation coding mode block messages.
Preferably, above-mentioned sending method has the characteristics that：
When the Downlink Control Information that a PDCCH is carried is used to dispatch multiple channels,
Multiple channels scheduled in the Downlink Control Information are in the corresponding multiple continuous subframes of same Serving cell
Upper transmission；Or,
Multiple channels scheduled in the Downlink Control Information are in the corresponding multiple continuous Serving cells of same subframe
Upper transmission；Or,
Multiple channels scheduled in the Downlink Control Information are in multiple subframes and corresponding multiple continuously service little
The PDSCH transmitted in area and PUSCH.
Preferably, above-mentioned sending method has the characteristics that：
When the Downlink Control Information that a PDCCH is carried is used to dispatch multiple channels,
The base station carries a resource block assignment information and a modulation coding mode block message in the descending control
In information processed, UE is sent to, each PDSCH or PUSCH scheduled in the Downlink Control Information is using identical Resource Block point
With information and modulation coding mode block message；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, each PDSCH or PUSCH scheduled in the Downlink Control Information is using identical Resource Block point
With information and different modulation coding mode block messages；Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the descending control
In information processed, UE is sent to, each PDSCH or PUSCH scheduled in the Downlink Control Information is using different Resource Block point
With information and identical modulation coding mode block message；Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, each PDSCH or PUSCH scheduled in the Downlink Control Information is using different Resource Block point
With information and different modulation coding mode block messages.
Preferably, above-mentioned sending method has the characteristics that：
If adopting multi-antenna transmission, the modulation coding mode block message is two modulation coding mode information, no
Then, the modulation coding mode block message is a modulation coding mode information.
Preferably, above-mentioned sending method has the characteristics that：
The base station indicates the subframe that the channel scheduled in the Downlink Control Information is located by way of for bit diagram
Or the information of Serving cell, or the subframe that channel scheduled in the Downlink Control Information is located is indicated by signaling method
Or the information of Serving cell.
In order to solve the above problems, the present invention provides a kind of method of reseptance of Downlink Control Information, including：
UE monitors PDCCH, receives Downlink Control Information, knows the schedule information of one or more PDSCH or know one
The schedule information of individual or multiple PUSCH.
Preferably, above-mentioned method of reseptance has the characteristics that：
The UE receives the Downlink Control Information, obtain resource block assignment information that the Downlink Control Information carries and
Modulation coding mode block message, so as to know the channel scheduled in the Downlink Control Information using resource block assignments situation and tune
Coded system processed.
In order to solve the above problems, the present invention provides a kind of transmission method of Downlink Control Information, including：
Base station sends Downlink Control Information to UE by PDCCH in subframe；Wherein, the descending control that a PDCCH is carried
During information processed is used for as follows, one or more dispatch PDSCH or PUSCH：
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes；
UE monitors PDCCH, receives Downlink Control Information, knows the schedule information of one or more PDSCH or know one
The schedule information of individual or multiple PUSCH.
In order to solve the above problems, the present invention provides a kind of dispensing device of Downlink Control Information,
The dispensing device in subframe by PDCCH send Downlink Control Information to UE；
Wherein, one or more scheduling during the Downlink Control Information of a PDCCH carrying is used for as follows
PDSCH or PUSCH：
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes.
In order to solve the above problems, the present invention provides a kind of reception device of Downlink Control Information, including monitoring modular and
Receiver module, wherein,
The monitoring modular is used to monitor PDCCH；
The receiver module receives Downlink Control Information for the PDCCH that monitored according to monitoring modular, know one or
The schedule information of multiple PDSCH knows the schedule information of one or more PUSCH.
By the present invention, realize under the indoor focus covering scene of LTE, carry out Downlink Control Information transmission and reception
And monitoring, and it is capable of achieving the transmission of low overhead, rapid rate and high reliability.
Description of the drawings
Fig. 1 is the frame structure schematic diagram of fdd mode in prior art；
Fig. 2 is the frame structure schematic diagram of tdd mode in prior art；
The position view of down control channel and DSCH Downlink Shared Channel when Fig. 3 is routine CP in prior art；
Fig. 4 is the transmission method flow chart of the downlink control channel information of the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can mutual combination in any.
As shown in figure 4, the embodiment of the present invention can be applicable to the indoor focus covering scene in LTE, down control channel letter
The transmission of breath comprises the steps：
Step 401, base station send Downlink Control Information to UE by physical downlink control channel PDCCH in subframe.
Wherein, during the Downlink Control Information of a PDCCH carrying is used for as follows under one or more scheduling
Row shared channel PDSCH or Uplink Shared Channel PUSCH：
(1) multiple DSCH Downlink Shared Channel PDSCH are dispatched；
(2) multiple Uplink Shared Channel PUSCH are dispatched；
(3) a DSCH Downlink Shared Channel PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) a Uplink Shared Channel PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes.
A, when the Downlink Control Information that PDCCH is carried is used to dispatch a channel：
The base station carries a resource block assignment information and a modulation coding mode block message in the descending control
In information processed, UE is sent to, the channel adopts identical resource block assignment information and modulation coding mode block message；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, the channel adopts identical resource block assignment information and different modulation coding mode block messages；
Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the descending control
In information processed, UE is sent to, the channel adopts different resource block assignment informations and identical modulation coding mode block message；
Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, the channel adopts different resource block assignment informations and different modulation coding mode block messages.
B, when the Downlink Control Information that PDCCH is carried is used to dispatch multiple channels,
Multiple channels scheduled in the Downlink Control Information are in the corresponding multiple continuous subframes of same Serving cell
Upper transmission；Or,
Multiple channels scheduled in the Downlink Control Information are in the corresponding multiple continuous Serving cells of same subframe
Upper transmission；Or,
Multiple channels scheduled in the Downlink Control Information are in multiple subframes and corresponding multiple continuously service little
The PDSCH transmitted in area and PUSCH.
In addition, the base station carries a resource block assignment information and a modulation coding mode block message under described
In row control information, UE is sent to, each DSCH Downlink Shared Channel PDSCH or up scheduled in the Downlink Control Information shares
Channel PUSCH adopts identical resource block assignment information and modulation coding mode block message；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, each DSCH Downlink Shared Channel PDSCH or Uplink Shared Channel scheduled in the Downlink Control Information
PUSCH adopts identical resource block assignment information and different modulation coding mode block messages；Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the descending control
In information processed, UE is sent to, each DSCH Downlink Shared Channel PDSCH or Uplink Shared Channel scheduled in the Downlink Control Information
PUSCH adopts different resource block assignment informations and identical modulation coding mode block message；Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the descending control
In information processed, UE is sent to, each DSCH Downlink Shared Channel PDSCH or Uplink Shared Channel scheduled in the Downlink Control Information
PUSCH adopts different resource block assignment informations and different modulation coding mode block messages.
If adopting multi-antenna transmission, the modulation coding mode block message is two modulation coding mode information, no
Then, the modulation coding mode block message is a modulation coding mode information.
In this step, the base station can indicate that the Downlink Control Information is adjusted by way of by bit diagram (bitmap)
Subframe or the information of Serving cell that the channel of degree is located, it is also possible to which the Downlink Control Information institute is indicated by signaling method
Subframe or the information of Serving cell that the channel of scheduling is located.
Step 402, UE monitoring PDCCH, receive Downlink Control Information, know one or more PDSCH schedule information or
Person knows the schedule information of one or more PUSCH.
In step 402, the UE receives the Downlink Control Information, obtains the resource that the Downlink Control Information is carried
Block distributes information and modulation coding mode block message, so as to know that the channel scheduled in the Downlink Control Information adopts Resource Block
Distribution condition and modulation coding mode.
Correspondingly, the dispensing device of the Downlink Control Information of the embodiment of the present invention, is applied to base station, and the dispensing device is used
In in subframe by physical downlink control channel PDCCH send Downlink Control Information to UE；
Wherein, during the Downlink Control Information of a PDCCH carrying is used for as follows under one or more scheduling
Row shared channel PDSCH or Uplink Shared Channel PUSCH：
(1) multiple DSCH Downlink Shared Channel PDSCH are dispatched；
(2) multiple Uplink Shared Channel PUSCH are dispatched；
(3) a DSCH Downlink Shared Channel PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) a Uplink Shared Channel PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes.
The reception device of the Downlink Control Information of the embodiment of the present invention, is applied to UE, including monitoring modular and receiver module,
Wherein,
The monitoring modular is used to monitor PDCCH；
The receiver module receives Downlink Control Information for the PDCCH that monitored according to monitoring modular, know one or
The schedule information of multiple PDSCH knows the schedule information of one or more PUSCH.
The receiver module can be further used for the PDCCH monitored according to monitoring modular, receive Downlink Control Information, obtain
The schedule information for knowing one or more PDSCH or the schedule information for knowing one or more PUSCH.
Below specifically further illustrating the present invention using example.
Using example one
Under the indoor focus covering scene of LTE or LTE-Advance, alternatively referred to as under LTE-LAN scenes, a biography
The defeated subframe of PDCCH, to PDSCH the or PUSCH resources in other subframes or other Serving cells (servingcell)
(Serving cell, it is also possible to referred to as component carrier) how is dispatched, has following configuration：
Configuration one：
PDCCH in the subframe continuously can dispatch including the PDSCH in n subframe including their own or
PUSCH resources.
The n is the positive integer more than 1.
Configuration two：
PDCCH in the subframe can be dispatched in this subframe including other n including the Serving cell of their own
PDSCH the or PUSCH resources of Serving cell.
The n is the positive integer more than 1, is notified by high-level signaling.
Configuration three：
PDCCH in the subframe can be dispatched in this subframe including other m including the Serving cell of their own
PDSCH the or PUSCH resources of Serving cell, and continuous scheduling including the PDSCH in n subframe including this subframe or
Person's PUSCH resources.
The m is the positive integer more than 1, is notified by high-level signaling；The n is the positive integer more than 1.
Using example two
A kind of transmission mode is newly defined, and corresponding PDCCH monitorings is carried out for LTE-LAN network user terminals UE and is connect
Receive PDSCH data and send PUSCH data.
When user terminal UE accesses LTE-LAN networks, UE passes through high-level signaling semi-static (semi-statically)
Be arranged to transmission mode X, the preferred value of the X is 10.The transmission mode correspondence DCI format Y, the Y's is excellent
Choosing value is 5, for representing most 8 layers of transmission.
For DCI format Y, the information transmitted in corresponding DCI can be：
Mode one：
DCI includes a resource block assignment information and a modulation coding mode information, for indicating one or more
The PDSCH resources dispatched on Serving cell, and/or one or more subframe or PUSCH resources, i.e. each Serving cell and/
Or in each subframe, adopt same resource block assignment information and modulation coding mode.
Mode two：
DCI includes a resource block assignment information and multiple modulation coding mode information, for indicating one or more
The PDSCH resources dispatched on Serving cell, and/or one or more subframe or PUSCH resources, i.e. each Serving cell and/
Or in each subframe, adopt same resource block assignment information and different modulation coding modes.
The plurality of modulation coding mode information, can distinguish different subframes by way of bit diagram (bitmap)
And/or the modulation coding mode of different Serving cells.For example, two continuous subframes, 4 services of each sub-frame configuration are little
Area, then this 8 states are represented using 8 bits, and this 8 states are the multiple modulation coding modes in DCI by correspondence
Subframe index and service cell index.Such as：8 states are 11000100, then three modulation in DCI format Y are compiled
Code mode information will be second service in the first two Serving cell being respectively used in first subframe and second subframe little
Area.
Mode three：
DCI includes multiple resource block assignment informations and a modulation coding mode information, for indicating one or more
The PDSCH resources dispatched on Serving cell, and/or one or more subframe or PUSCH resources, i.e. each Serving cell and/
Or in each subframe, adopt different resource block assignment informations and same modulation coding mode.
The plurality of resource block assignment information, can distinguish different subframes by way of bit diagram (bitmap)
And/or the resource block assignments situation of different Serving cells.For example, two continuous subframes, 4 services of each sub-frame configuration
Cell, then this 8 states are represented using 8 bits, and this 8 states are the multiple Resource Block in DCI format Y point
With information is by corresponding subframe index and services cell index.Such as：8 states are 11000100, then in DCI format Y
Three resource block assignment informations by the first two Serving cell being respectively used in first subframe and second subframe
Two Serving cells.
Mode four：
DCI includes multiple resource block assignment informations and multiple modulation coding mode information, for indicating one or more
The PDSCH resources dispatched on Serving cell, and/or one or more subframe or PUSCH resources, i.e. each Serving cell and/
Or in each subframe, adopt different resource block assignment informations and different modulation coding modes.
Concrete implementation mode is consistent with mode two and mode three.
Using example three
Two kinds of transmission modes are newly defined, and corresponding PDCCH monitorings are carried out for LTE-LAN network user terminals UE and are connect
Receive PDSCH data and send PUSCH data.
When user terminal UE accesses LTE-LAN networks, UE passes through high-level signaling semi-static (semi-statically)
Be arranged to transmission mode X1 and X2, the preferred value of the X1 and X2 is 10 and 11.The transmission mode correspondence DCI
The preferred value of format Y1 and DCI format Y2, the Y1 and Y2 is 5 and 6, for representing most 8 layers of transmission.
When UE by high-level signaling it is semi-static when being arranged to transmission mode X1, its corresponding DCI format
Y1 is served only for dispatching itself subframe and the PDSCH resources on Serving cell.
When UE by high-level signaling it is semi-static when being arranged to transmission mode X2, its corresponding DCI format
The method of Y2 scheduling PDSCH resources applies example two as described above.
One of ordinary skill in the art will appreciate that all or part of step in said method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read only memory, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits, accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of sending method of DCI, including：
Base station in subframe sends DCI by Physical Downlink Control Channel (PDCCH) and gives user equipment (UE), wherein, one
The DCI that PDCCH is carried be used for as follows in one or more dispatching downlink shared channels (PDSCH) or up shared
Channel (PUSCH):
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes；
When the DCI that a PDCCH is carried is used to dispatch multiple channels,
Multiple channels scheduled in the DCI are transmitted in the corresponding multiple continuous subframes of same Serving cell.
2. sending method as claimed in claim 1, it is characterised in that
When the DCI that a PDCCH is carried is used to dispatch a channel,
The base station carries a resource block assignment information and a modulation coding mode block message in the DCI, sends
To UE, the channel adopts identical resource block assignment information and modulation coding mode block message；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the DCI, sends
To UE, the channel adopts identical resource block assignment information and different modulation coding mode block messages；Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the DCI, sends
To UE, the channel adopts different resource block assignment informations and identical modulation coding mode block message；Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the DCI, sends
To UE, the channel adopts different resource block assignment informations and different modulation coding mode block messages.
3. sending method as claimed in claim 1, it is characterised in that
When the DCI that a PDCCH is carried is used to dispatch multiple channels,
The base station carries a resource block assignment information and a modulation coding mode block message in the DCI, sends
To UE, each PDSCH or PUSCH scheduled in the DCI adopts identical resource block assignment information and modulation coding mode block
Information；Or,
The base station carries a resource block assignment information and multiple modulation coding mode block messages in the DCI, sends
To UE, each PDSCH or PUSCH scheduled in the DCI adopts identical resource block assignment information and different modulating-codings
Mode block message；Or,
The base station carries multiple resource block assignment informations and a modulation coding mode block message in the DCI, sends
To UE, each PDSCH or PUSCH scheduled in the DCI adopts different resource block assignment informations and identical modulating-coding
Mode block message；Or,
The base station carries multiple resource block assignment informations and multiple modulation coding mode block messages in the DCI, sends
To UE, each PDSCH or PUSCH scheduled in the DCI adopts different resource block assignment informations and different modulating-codings
Mode block message.
4. such as Claims 2 or 3 described sender method, it is characterised in that
If adopting multi-antenna transmission, the modulation coding mode block message is two modulation coding mode information, otherwise, institute
Modulation coding mode block message is stated for a modulation coding mode information.
5. such as Claims 2 or 3 described sender method, it is characterised in that
The base station indicates the subframe or the letter of Serving cell at the channel place scheduled in the DCI by way of bit diagram
Breath, or the information of subframe that channel scheduled in the DCI is located or Serving cell is indicated by signaling method.
6. a kind of method of reseptance of DCI, including：
UE monitors PDCCH, receives DCI, knows the schedule information of one or more PDSCH or know one or more PUSCH
Schedule information.
7. method of reseptance as claimed in claim 6, it is characterised in that
The UE receives the DCI, obtains resource block assignment information and modulation coding mode block message that the DCI is carried, from
And know the channel scheduled in the DCI using resource block assignments situation and modulation coding mode.
8. a kind of transmission method of DCI, including：
Base station sends DCI to UE by PDCCH in subframe；Wherein, the DCI of a PDCCH carrying is used for as follows
In one or more scheduling PDSCH or PUSCH:
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes；
UE monitors PDCCH, receives DCI, knows the schedule information of one or more PDSCH or know one or more PUSCH
Schedule information；
When the DCI that a PDCCH is carried is used to dispatch multiple channels,
Multiple channels scheduled in the DCI are transmitted in the corresponding multiple continuous subframes of same Serving cell.
9. a kind of device of DCI, it is characterised in that including dispensing device, wherein,
The dispensing device in subframe by PDCCH send DCI to UE；
Wherein, one or more scheduling PDSCH or PUSCH during the DCI of a PDCCH carrying is used for as follows:
(1) multiple PDSCH are dispatched；
(2) multiple PUSCH are dispatched；
(3) PDSCH is dispatched, the PDSCH is transmitted in multiple continuous subframes；
(4) PUSCH is dispatched, the PUSCH is transmitted in multiple continuous subframes；
Also include reception device；
The reception device includes monitoring modular and receiver module, wherein,
The monitoring modular is used to monitor PDCCH；
The receiver module receives DCI, knows the tune of one or more PDSCH for the PDCCH monitored according to monitoring modular
Degree information knows the schedule information of one or more PUSCH；
When the DCI that a PDCCH is carried is used to dispatch multiple channels,
Multiple channels scheduled in the DCI are transmitted in the corresponding multiple continuous subframes of same Serving cell.
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| CN103796327A (en) * | 2012-10-29 | 2014-05-14 | 中兴通讯股份有限公司 | Subframe scheduling method, system, network equipment and terminal |
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| CN103929812B (en) * | 2013-01-15 | 2019-05-24 | 电信科学技术研究院 | A kind of distribution method and device of channel resource |
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| CN104348579B (en) * | 2013-08-05 | 2019-11-19 | 中兴通讯股份有限公司 | Down channel time-domain position determines method and apparatus |
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| CN107295683A (en) * | 2016-04-05 | 2017-10-24 | 工业和信息化部电信研究院 | A kind of method and apparatus for dispatching multiple sub-frame of uplink |
| CN107801243B (en) | 2016-08-29 | 2021-01-29 | 华为技术有限公司 | Downlink transmission method and device |
| US20190052406A1 (en) * | 2017-08-11 | 2019-02-14 | Mediatek Inc. | Transmission For Ultra-Reliable And Low-Latency Communications In Mobile Communications |
| WO2019113834A1 (en) * | 2017-12-13 | 2019-06-20 | Qualcomm Incorporated | Techniques for downlink control channel location indication in wireless communications |
| WO2019134086A1 (en) * | 2018-01-04 | 2019-07-11 | Oppo广东移动通信有限公司 | Resource allocation method and apparatus, and computer storage medium |
| CN110557836B (en) | 2018-06-04 | 2022-05-13 | 大唐移动通信设备有限公司 | Method, device and equipment for configuring transmission bandwidth |
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| CN111836378B (en) * | 2019-08-15 | 2023-07-25 | 维沃移动通信有限公司 | Frequency domain resource allocation method, network side equipment and terminal |
| CN113543347A (en) * | 2020-04-15 | 2021-10-22 | 大唐移动通信设备有限公司 | Scheduling method, terminal and network side equipment |
| CN113543346B (en) * | 2020-04-15 | 2023-11-10 | 大唐移动通信设备有限公司 | Scheduling mode determining method, terminal and network side equipment |
| CN113630873A (en) * | 2020-05-08 | 2021-11-09 | 维沃移动通信有限公司 | Frequency domain resource allocation method and device |
| WO2022077407A1 (en) * | 2020-10-15 | 2022-04-21 | 富士通株式会社 | Data receiving method and apparatus |
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| CN101801093A (en) * | 2010-02-03 | 2010-08-11 | 中兴通讯股份有限公司 | Indicating method, device and system for resource distribution mode |
| CN101801101A (en) * | 2010-02-24 | 2010-08-11 | 中兴通讯股份有限公司 | Method and device for transmitting downlink control information |
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