CN103781160B - The transmission method and device of data - Google Patents
The transmission method and device of data Download PDFInfo
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- CN103781160B CN103781160B CN201210407601.5A CN201210407601A CN103781160B CN 103781160 B CN103781160 B CN 103781160B CN 201210407601 A CN201210407601 A CN 201210407601A CN 103781160 B CN103781160 B CN 103781160B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses the transmission method and device of a kind of data, methods described includes：Base station selects DMRS signals from demodulated reference signal DMRS signal sets, and then base station scrambles the DMRS signals by the mark of subscriber terminal equipment；Last base station sends DMRS signals and the Physical Downlink Shared Channel PDSCH data after the scrambling to subscriber terminal equipment corresponding with the mark, after causing that subscriber terminal equipment corresponding with the mark selects PDSCH parameters corresponding with the DMRS signals to the PDSCH Data Detections, the data after the detection are exported.The present invention, as the carrying of the PDSCH parameters of PDSCH data, can avoid subscriber terminal equipment from carrying out blind Detecting to PDCCH/EPDCCH channels by by the DMRS signals in PDSCH channels, so as to reduce the operand and power consumption of subscriber terminal equipment.The present invention is applied to field of wireless communications.
Description
Technical field
The present invention relates to field of wireless communications, the transmission method and device of more particularly to a kind of data.
Background technology
In LTE（The Long Term Evolution of Long Term Evolution, 3GPP）In system, the total companion of transmission of downlink data packet
With two channels, one is transmission PDSCH（Physical Downlink Shared Channel, the shared letter of physical down
Road）The channel PDSCH of data, another is the channel PDCCH for indicating PDSCH parameters（Physical Downlink Control
Channel, Physical Downlink Control Channel）/EPDCCH（Enhanced Physical downlink control channel,
Enhancing Physical Downlink Control Channel）, the resource shared by PDSCH, MCS used during transmission can be typically included in PDSCH parameters
（Modulation and Coding Scheme, modulation coding mode）Deng.
In LTE MTC（Machine Type Communication, the communication of machine type）In business, due to some users
Installing terminal equipment is surrounded in certain corner of interior of building, or the subscriber terminal equipment by metal shell, causes to send
The end communication path loss of NB (Node B, base station) and the subscriber terminal equipment between is very big.
If traditional LTE communication pattern is used in MTC communication, i.e., believed by PDCCH/EPDCCH channels and PDSCH
Road completes once to communicate jointly, then PDCCH/EPDCCH channels and PDSCH channels are required for enhancing, so as to subscriber terminal equipment
The information of these transmissions can be properly received.Typically the information of these channels is repeated several times at present, but by
PDCCH/EPDCCH channels are needed in subscriber terminal equipment carry out blind Detecting, and single PDCCH/EPDCCH channels enter
Complexity is very big during row blind Detecting, if multiple PDCCH/EPDCCH channels are merged, so causes user's end
End equipment needs the number of times that blind Detecting is carried out to PDCCH/EPDCCH channels can be more, cause subscriber terminal equipment operand and
Power consumption is all very big.
The content of the invention
The transmission method and device of data provided in an embodiment of the present invention, avoid to PDCCH/ in data transmission procedure
EPDCCH channels carry out blind Detecting, so as to reduce the operand and power consumption of subscriber terminal equipment.
The technical scheme that the embodiment of the present invention is used for：
A kind of transmission method of data, including：
Base station selects DMRS signals from demodulated reference signal DMRS signal sets, in the DMRS signal sets each
DMRS signals correspond to one group of Physical Downlink Shared Channel PDSCH parameter respectively, and the PDSCH parameters are used to indicate PDSCH data
Information；
The base station sends the DMRS signals and the PDSCH data to subscriber terminal equipment, to cause the user
After terminal device selects PDSCH parameters corresponding with the DMRS signals to the PDSCH Data Detections, after exporting the detection
Data.
The base station selects also to include before DMRS signals from demodulated reference signal DMRS signal sets：
The base station is set up in the DMRS signal sets after the corresponding table of each DMRS signal and PDSCH parameters, by institute
State corresponding table and be sent to the subscriber terminal equipment, the corresponding table be used to indicating described each DMRS signal respectively with difference
Corresponding relation between PDSCH parameters；
The base station selects the DMRS signals to include from demodulated reference signal DMRS signal sets：
The base station according to the PDSCH parameters and the corresponding table of the PDSCH data, from the DMRS signal sets
Selection DMRS signals corresponding with the PDSCH parameters.
The base station according to the PDSCH parameters and the corresponding table of the PDSCH data, from the DMRS signal sets
Selection DMRS signals corresponding with the PDSCH parameters include：
Physical Resource Block of the base station according to required for the length and the transmission PDSCH data of the PDSCH data
Number and the corresponding table to PRB pair, select DMRS signals from the DMRS signal sets.
The base station selects the DMRS signals to include from demodulated reference signal DMRS signal sets：
Each DMRS signal and PDSCH parameters in the DMRS signal sets of the base station according to defined in procotol
Corresponding table, DMRS signals corresponding with the PDSCH parameters of the PDSCH data are selected from the DMRS signal sets,
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
The base station also includes before sending the DMRS signals and the PDSCH data to subscriber terminal equipment：
The base station scrambles the DMRS signals by the mark of subscriber terminal equipment；
The base station sends the DMRS signals to subscriber terminal equipment to be included：
The base station sends the DMRS signals after the scrambling to user equipment corresponding with the mark.
A kind of transmitting device of data, including：
Select unit, for selecting DMRS signals, the DMRS signals collection from demodulated reference signal DMRS signal sets
Each DMRS signal corresponds to one group of Physical Downlink Shared Channel PDSCH parameter respectively in conjunction, and the PDSCH parameters are used to indicate
The information of PDSCH data；
Transmitting element, for sending the DMRS signals that are selected by the select unit and described to subscriber terminal equipment
PDSCH data, to cause to select PDSCH parameters corresponding with the DMRS signals to described with the subscriber terminal equipment
After PDSCH Data Detections, the data after the detection are exported.
Described device also includes：
Unit is set up, for before select unit selects DMRS signals from DMRS signal sets, setting up the DMRS
The corresponding table of each DMRS signal and PDSCH parameters in signal set, and the corresponding table is sent to the user terminal sets
It is standby, the corresponding table be used to indicating described each DMRS signal respectively from the corresponding relation between different PDSCH parameters；
The select unit, specifically for PDSCH parameters and the corresponding table according to the PDSCH data, from described
DMRS signals corresponding with the PDSCH parameters are selected in DMRS signal sets.
The select unit, is specifically additionally operable to according to needed for the length and the transmission PDSCH data of the PDSCH data
The Physical Resource Block wanted selects DMRS letters to the number and the corresponding table of PRB pair from the DMRS signal sets
Number.
The select unit, is specifically additionally operable to each DMRS in the DMRS signal sets according to defined in procotol
Signal and the corresponding table of PDSCH parameters, select the PDSCH parameters pair with the PDSCH data from the DMRS signal sets
The DMRS signals answered,
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Described device also includes：
Scrambling unit, for the DMRS signals that the mark scrambling select unit by subscriber terminal equipment is selected；
The transmitting element, is additionally operable to be scrambled by the scrambling unit to user equipment corresponding with mark transmission
DMRS signals afterwards.
Another transmission method of data, including：
Subscriber terminal equipment receives the demodulated reference signal DMRS signals and Physical Downlink Shared Channel PDSCH that base station sends
Data；
The subscriber terminal equipment selects PDSCH parameters corresponding with the DMRS signals, wherein, the PDSCH parameters
Information for indicating the PDSCH data；
The subscriber terminal equipment according to the PDSCH parameters to the PDSCH Data Detections after, after exporting the detection
Data.
The subscriber terminal equipment selects the PDSCH parameters corresponding with the DMRS signals to include：
Each DMRS signal is joined with PDSCH in the DMRS signal sets that the subscriber terminal equipment is configured according to the base station
Several corresponding tables, selects corresponding with DMRS signals PDSCH parameters, wherein, the corresponding table be used to indicating it is described each
DMRS signals respectively from the corresponding relation between different PDSCH parameters；Or
In the DMRS signal sets of the subscriber terminal equipment according to defined in procotol each DMRS signal with
The corresponding table of PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to indicate institute
State each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
The demodulated reference signal DMRS signals that the subscriber terminal equipment receives base station transmission include：
The subscriber terminal equipment receives the DMRS signals after the scrambling that the base station sends, wherein, the DMRS signals
For the base station is scrambled by the mark of the subscriber terminal equipment；
The subscriber terminal equipment receives the demodulated reference signal DMRS signals and Physical Downlink Shared Channel that base station sends
Also include after PDSCH data：
The subscriber terminal equipment descrambles the DMRS signals after the scrambling.
Another transmitting device of data, including：
Receiving unit, demodulated reference signal DMRS signals and Physical Downlink Shared Channel for receiving base station transmission
PDSCH data；
Select unit, for selecting PDSCH parameters corresponding with the DMRS signals of receiving unit reception, wherein, institute
PDSCH parameters are stated for indicating the information of the PDSCH data；
Detection unit, for the PDSCH parameters that are selected according to the select unit to the PDSCH Data Detections after, it is defeated
The data gone out after the detection.
The select unit, specifically for each DMRS signal in the DMRS signal sets that are configured according to the base station with
The corresponding table of PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to indicate institute
State each DMRS signal respectively from the corresponding relation between different PDSCH parameters；Or
The select unit, believes specifically for each DMRS in the DMRS signal sets according to defined in procotol
Corresponding table number with PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to refer to
Show described each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
The receiving unit, is additionally operable to receive the DMRS signals after the scrambling that the base station sends, wherein, the DMRS letters
Number scrambled by the mark of the subscriber terminal equipment for the base station；
Described device also includes：
Descrambling unit, for descrambling the DMRS signals after the scrambling that the receiving unit is received.
The transmission method and device of data provided in an embodiment of the present invention, base station is from demodulated reference signal DMRS signal sets
Middle selection DMRS signals, then base station to subscriber terminal equipment send the DMRS signals and the PDSCH data, with cause with
The corresponding subscriber terminal equipment of the mark selects PDSCH parameters corresponding with the DMRS signals to examine the PDSCH data
After survey, the data after the detection are exported.Generally completed once jointly by PDCCH/EPDCCH channels and PDSCH channels at present
Communication, needs to carry out blind Detecting, and single PDCCH/ yet with subscriber terminal equipment to PDCCH/EPDCCH channels
It is very big that EPDCCH channels carry out during blind Detecting complexity, if multiple PDCCH/EPDCCH channels are merged, this
Sample causes the subscriber terminal equipment to need the number of times that blind Detecting is carried out to PDCCH/EPDCCH channels can be more, causes user terminal to set
Standby operand and power consumption are all very big.The embodiment of the present invention by by the DMRS signals in PDSCH channels as PDSCH data
The carrying of PDSCH parameters, can avoid subscriber terminal equipment from carrying out blind Detecting to PDCCH/EPDCCH channels, so as to reduce use
The operand and power consumption of family terminal device, and due to no longer needing PDCCH/EPDCCH channels in data transmission procedure, because
This decreases the expense of system.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of transmission method flow chart of data provided in an embodiment of the present invention；
Fig. 2 is a kind of transmission structure schematic diagram of data provided in an embodiment of the present invention；
Fig. 3 is architecture of base station schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the transmission method flow chart of another data provided in an embodiment of the present invention；
Fig. 5 is the transmitting device structural representation of another data provided in an embodiment of the present invention；
Fig. 6 is subscriber terminal equipment structural representation provided in an embodiment of the present invention；
Fig. 7 is the mapping schematic diagram when number of Physical Resource Block pair provided in an embodiment of the present invention is 4；
Fig. 8 is a kind of DMRS signals provided in an embodiment of the present invention and PDSCH parameter corresponding relation schematic diagrames；
Fig. 9 is another DMRS signals provided in an embodiment of the present invention and PDSCH parameter corresponding relation schematic diagrames.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
To make the advantage of technical solution of the present invention clearer, the present invention is made specifically with reference to the accompanying drawings and examples
It is bright.
The present embodiment provides a kind of transmission method of data, as shown in figure 1, methods described includes：
101st, base station selects DMRS signals from demodulated reference signal DMRS signal sets.
Wherein, each DMRS signal corresponds to one group of Physical Downlink Shared Channel PDSCH respectively in the DMRS signal sets
Parameter, the PDSCH parameters are used to indicate the information of PDSCH data.Each DMRS signal in the DMRS signal sets can
Represented in the form of with sequence, i.e., one DMRS signals one sequence of correspondence, and preferably, between sequence had well mutually
Characteristic is closed, to ensure that communication quality is higher.
Can also include before step 101：The base station set up in the DMRS signal sets each DMRS signal with
After the corresponding table of PDSCH parameters, corresponding table is sent to subscriber terminal equipment, wherein, the corresponding table is described each for indicating
Individual DMRS signals respectively from the corresponding relation between different PDSCH parameters.
Specifically, base station is according to the PDSCH parameters and the corresponding table of the PDSCH data, from the DMRS signals collection
DMRS signals corresponding with the PDSCH parameters are selected in conjunction.For example, base station can according to the length of the PDSCH data and
Physical Resource Block required for sending the PDSCH data to the number and the corresponding table of PRB pair, from the DMRS
DMRS signals are selected in signal set.
Alternatively, in the DMRS signal sets of the base station according to defined in procotol each DMRS signal with
The corresponding table of PDSCH parameters, selects corresponding with the PDSCH parameters of the PDSCH data from the DMRS signal sets
DMRS signals, wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
For the present embodiment, the specifying information of PDSCH parameters can flexibly set in corresponding table, for example, PDSCH parameters have
Body can be set as PDSCH data length and send PDSCH data required for Physical Resource Block to PRB pair numbers,
PRB pair mapping schematic diagrames can be with as shown in fig. 7, the PRBpair numbers in Fig. 7 in PDSCH parameters be set as 4；DMRS believes
Number with as shown in figure 8, even currently transmitted PDSCH data lengths are 20 bits, and can be needed with the corresponding table of PDSCH parameters
6 Physical Resource Block are wanted to sending during data, base station just select and send in corresponding table with（20、6）Corresponding DMRS signals sequence
RowSubscriber terminal equipment receives DMRS signal sequencesAfterwards, can be obtained and DMRS signal sequences from corresponding tableIt is corresponding
PDSCH parameters（20、6）After being detected to PDSCH data, output detection after data, such that it is able to be prevented effectively from carry out it is blind
The problem of detection.
Again for example, PDSCH parameters can also specifically be set as the length and version of code number of PDSCH data, wherein, coding
Version number is regarded as carrying out rate-matched after PDSCH data are encoded that (rate-matched is that each bit after coding is repeated
Or punching number of times) index, such as version of code number 1 is that the top n bit of the data after coding is repeated 3 times, residue ratio
Spy is repeated 2 times；Version of code number 2 is that last N number of bit of the data after coding is repeated 3 times, and remaining bits are repeated 2 times.
Now DMRS signals can be with as shown in figure 9, even currently transmitted PDSCH data lengths be 40 with the corresponding table of PDSCH parameters
Bit, when version number after PDSCH data encodings is 2, base station just select and send in corresponding table with (40,2) corresponding DMRS
Signal sequenceSubscriber terminal equipment receives DMRS signal sequencesAfterwards, can be obtained and DMRS signal sequences from corresponding tableIt is right
After the PDSCH parameters (40,2) answered are detected to PDSCH data, the data after output detection, so as to can also be prevented effectively from
Carry out the problem of blind Detecting.
102nd, base station scrambles the DMRS signals by the mark of subscriber terminal equipment.
Specifically, base station can be by RNTI（Radio Network Temporary Identifier, radio frequency network faces
When identifier）Scramble the DMRS signals.
103rd, base station sends DMRS signals after the scrambling and described to subscriber terminal equipment corresponding with the mark
PDSCH data.
Further, with so that subscriber terminal equipment corresponding with mark selection is corresponding with the DMRS signals
After PDSCH parameters are to the PDSCH Data Detections, the data after the detection are exported.
The transmission method of the data that the present embodiment is provided, PDSCH data are used as by by the DMRS signals in PDSCH channels
PDSCH parameters carrying, to avoid carrying out blind Detecting to PDCCH/EPDCCH channels, so as to reduce subscriber terminal equipment
Operand and power consumption, and be due to no longer needing PDCCH/EPDCCH channels, therefore decreasing in data transmission procedure
The Overhead of system.
The present embodiment provides a kind of transmitting device of data, as shown in Fig. 2 described device can include：Select unit 21,
Transmitting element 22.
Select unit 21, can be used for selecting DMRS signals from demodulated reference signal DMRS signal sets.
Wherein, each DMRS signal corresponds to one group of Physical Downlink Shared Channel PDSCH respectively in the DMRS signal sets
Parameter, the PDSCH parameters are used to indicate the information of PDSCH data.
Transmitting element 22, can be used for sending the DMRS signals selected by the select unit 21 to subscriber terminal equipment
With the PDSCH data so that subscriber terminal equipment selects corresponding with DMRS signals PDSCH parameters to described
After PDSCH Data Detections, the data after the detection are exported.
Described device can also include：
Unit 23 is set up, be can be used for before select unit 21 selects DMRS signals from DMRS signal sets, set up
The corresponding table of each DMRS signal and PDSCH parameters in the DMRS signal sets, and corresponding table is sent to user terminal sets
It is standby.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Select unit 21, specifically can be used for the PDSCH parameters and the corresponding table according to the PDSCH data, from institute
State and select DMRS signals corresponding with the PDSCH parameters in DMRS signal sets.
Select unit 21, specifically can be also used for the length according to the PDSCH data and the transmission PDSCH data institute
The Physical Resource Block of needs selects DMRS to the number and the corresponding table of PRB pair from the DMRS signal sets
Signal.
The select unit 21, specifically can be also used for each in the DMRS signal sets according to defined in procotol
Individual DMRS signals and the corresponding table of PDSCH parameters, select the PDSCH with the PDSCH data from the DMRS signal sets
The corresponding DMRS signals of parameter.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Described device can also include：
Scrambling unit 24, the DMRS that can be used for being selected by the mark scrambling select unit of subscriber terminal equipment is believed
Number.
The transmitting element 22, can be also used for sending single by the scrambling to user equipment corresponding with the mark
DMRS signals after the scrambling of unit 24.
The entity of the transmitting device of the data that the present embodiment is provided can be base station, as shown in figure 3, the base station can wrap
Include：Processor 31, transmitter 32.
Processor 31, can be used for selecting DMRS signals from demodulated reference signal DMRS signal sets.
Wherein, each DMRS signal corresponds to one group of Physical Downlink Shared Channel PDSCH respectively in the DMRS signal sets
Parameter, the PDSCH parameters are used to indicate the information of PDSCH data.
Transmitter 32, can be used for sending the DMRS signals and institute selected by the processor 31 to subscriber terminal equipment
PDSCH data are stated, so that obtaining subscriber terminal equipment selects PDSCH parameters corresponding with the DMRS signals to the PDSCH numbers
After detection, the data after the detection are exported.
Processor 31, can be also used for setting up each DMRS signal in the DMRS signal sets right with PDSCH parameters
Table is answered, and corresponding table is sent to subscriber terminal equipment.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Processor 31, specifically can be used for the PDSCH parameters and the corresponding table according to the PDSCH data, from described
DMRS signals corresponding with the PDSCH parameters are selected in DMRS signal sets.
Processor 31, specifically can be also used for according to needed for the length and the transmission PDSCH data of the PDSCH data
The Physical Resource Block wanted selects DMRS letters to the number and the corresponding table of PRB pair from the DMRS signal sets
Number.
Processor 31, specifically can be also used for each DMRS in the DMRS signal sets according to defined in procotol
Signal and the corresponding table of PDSCH parameters, select the PDSCH parameters pair with the PDSCH data from the DMRS signal sets
The DMRS signals answered.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Processor 31, can be also used for scrambling the DMRS signals by the mark of subscriber terminal equipment.
The transmitter 32, can be also used for being sent by the processor 31 to user equipment corresponding with the mark
DMRS signals after scrambling.
The transmitting device of the data that the present embodiment is provided, PDSCH data are used as by by the DMRS signals in PDSCH channels
PDSCH parameters carrying, to avoid carrying out blind Detecting to PDCCH/EPDCCH channels, so as to reduce subscriber terminal equipment
Operand and power consumption, and be due to no longer needing PDCCH/EPDCCH channels, therefore decreasing in data transmission procedure
The expense of system.
The present embodiment provides the transmission method of another data, as shown in figure 4, methods described includes：
401st, subscriber terminal equipment receives the demodulated reference signal DMRS signals and Physical Downlink Shared Channel that base station sends
PDSCH data.
Preferably, the subscriber terminal equipment receives the DMRS signals after the scrambling that the base station sends, wherein, it is described
DMRS signals are that the base station is scrambled by the mark of the subscriber terminal equipment.Now, can be with before step 302
Including：The subscriber terminal equipment descrambles the DMRS signals after the scrambling.
402nd, subscriber terminal equipment selects PDSCH parameters corresponding with the DMRS signals.
Wherein, the PDSCH parameters are used to indicate the information of the PDSCH data.
Specifically, in the DMRS signal sets that subscriber terminal equipment is configured according to the base station each DMRS signal with
The corresponding table of PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to indicate institute
State each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
Alternatively, each DMRS letters in the DMRS signal sets of the subscriber terminal equipment according to defined in procotol
Corresponding table number with PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to refer to
Show described each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
For the present embodiment, the specifying information of PDSCH parameters can flexibly set in corresponding table, for example, PDSCH parameters have
Body can be set as PDSCH data length and send PDSCH data required for Physical Resource Block to PRB pair numbers,
PRB pair mapping schematic diagrames can be with as shown in fig. 7, the PRBpair numbers in Fig. 7 in PDSCH parameters be set as 4；DMRS believes
Number with as shown in figure 8, even currently transmitted PDSCH data lengths are 20 bits, and can be needed with the corresponding table of PDSCH parameters
Want 6 Physical Resource Block to sending during data, subscriber terminal equipment receives DMRS signal sequencesAfterwards, can be obtained from corresponding table
With DMRS signal sequencesCorresponding PDSCH parameters（20、6）After being detected to PDSCH data, the data after output detection, from
And it is possible to prevente effectively from carrying out the problem of blind Detecting.
Again for example, PDSCH parameters can also specifically be set as the length and version of code number of PDSCH data, wherein, coding
Version number is regarded as carrying out rate-matched after PDSCH data are encoded that (rate-matched is that each bit after coding is repeated
Or punching number of times) index, such as version of code number 1 is that the top n bit of the data after coding is repeated 3 times, residue ratio
Spy is repeated 2 times；Version of code number 2 is that last N number of bit of the data after coding is repeated 3 times, and remaining bits are repeated 2 times.
Now DMRS signals can be with as shown in figure 9, even currently transmitted PDSCH data lengths be 40 with the corresponding table of PDSCH parameters
Bit, when the version number after PDSCH data encodings is 2, subscriber terminal equipment receives DMRS signal sequencesAfterwards, can be from corresponding table
Middle acquisition and DMRS signal sequencesAfter corresponding PDSCH parameters (40,2) are detected to PDSCH data, after output detection
Data, so as to the problem for carrying out blind Detecting can also be prevented effectively from.
403rd, subscriber terminal equipment according to the PDSCH parameters to the PDSCH Data Detections after, after exporting the detection
Data.
The transmission method of another data that the present embodiment is provided, is used as by by the DMRS signals in PDSCH channels
The carrying of the PDSCH parameters of PDSCH data, subscriber terminal equipment can be with direct access PDSCH parameters corresponding with DMRS signals
Output data after being detected, to avoid carrying out blind Detecting to PDCCH/EPDCCH channels, so as to reduce subscriber terminal equipment
Operand and power consumption, and due to no longer needing PDCCH/EPDCCH channels in data transmission procedure, therefore decrease
The Overhead of system.
The present embodiment provides the transmitting device of another data, as shown in figure 5, described device can include：Receiving unit
51st, select unit 52, detection unit 53.
Receiving unit 51, can be used for receiving demodulated reference signal DMRS signals and the shared letter of physical down that base station sends
Road PDSCH data.
Select unit 52, can be used for selection PDSCH parameters corresponding with the DMRS signals that the receiving unit 41 is received.
Wherein, the PDSCH parameters are used to indicate the information of the PDSCH data.
Detection unit 53, the PDSCH parameters that can be used for being selected according to the select unit 42 are examined to the PDSCH data
After survey, the data after the detection are exported.
The select unit 52, specifically can be used for each DMRS letters in the DMRS signal sets configured according to the base station
Corresponding table number with PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
The select unit 52, specifically can be also used for each in the DMRS signal sets according to defined in procotol
Individual DMRS signals and the corresponding table of PDSCH parameters, select PDSCH parameters corresponding with the DMRS signals.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Receiving unit 51, can be also used for receiving the DMRS signals after the scrambling that the base station sends, wherein, the DMRS
Signal is that the base station is scrambled by the mark of the subscriber terminal equipment.
Described device can also include：
Descrambling unit 54, can be used for descrambling the DMRS signals after the scrambling of the reception of the receiving unit 41.
The entity of the transmitting device of another data that the present embodiment is provided can be subscriber terminal equipment, as shown in fig. 6,
The user equipment can include：Receiver 61, processor 62.
Receiver 61, can be used for receiving demodulated reference signal DMRS signals and Physical Downlink Shared Channel that base station sends
PDSCH data.
Processor 62, can be used for selection PDSCH parameters corresponding with the DMRS signals that the receiver 61 is received.
Wherein, the PDSCH parameters are used to indicate the information of the PDSCH data.
Processor 62, can be also used for according to PDSCH parameters to the PDSCH Data Detections after, after exporting the detection
Data.
Processor 62, specifically can be used for according to the base station configure DMRS signal sets in each DMRS signal with
The corresponding table of PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Processor 62, specifically can be also used for each DMRS in the DMRS signal sets according to defined in procotol
Signal and the corresponding table of PDSCH parameters, select PDSCH parameters corresponding with the DMRS signals.
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the correspondence between different PDSCH parameters
Relation.
Receiver 61, can be also used for receiving the DMRS signals after the scrambling that the base station sends, wherein, the DMRS letters
Number scrambled by the mark of the subscriber terminal equipment for the base station.
Processor 62, can be also used for descrambling the DMRS signals after the scrambling of the reception of the receiver 61.
The transmitting device of another data that the present embodiment is provided, is used as by by the DMRS signals in PDSCH channels
The carrying of the PDSCH parameters of PDSCH data, it is defeated after being detected with direct access PDSCH parameters corresponding with DMRS signals
Go out data, to avoid carrying out blind Detecting to PDCCH/EPDCCH channels, so as to reduce the operand and work(of subscriber terminal equipment
Consumption, and due to no longer needing PDCCH/EPDCCH channels in data transmission procedure, therefore decrease the expense of system.
The transmitting device of data provided in an embodiment of the present invention can realize the embodiment of the method for above-mentioned offer, concrete function
Realization refers to the explanation in embodiment of the method, will not be repeated here.The transmission method of data provided in an embodiment of the present invention and
Device goes for field of wireless communications, but is not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access
Memory, RAM）Deng.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (16)
1. a kind of transmission method of data, it is characterised in that including：
Base station selects DMRS signals from demodulated reference signal DMRS signal sets, each DMRS letters in the DMRS signal sets
One group of Physical Downlink Shared Channel PDSCH parameter is corresponded to number respectively, and the PDSCH parameters are used to indicate the information of PDSCH data；
The base station sends the DMRS signals and the PDSCH data to subscriber terminal equipment, to cause the user terminal
After equipment choice PDSCH parameters corresponding with the DMRS signals are to the PDSCH Data Detections, the number after the detection is exported
According to.
2. data transmission method according to claim 1, it is characterised in that believe from demodulated reference signal DMRS the base station
Number set in select DMRS signals before also include：
The base station is set up in the DMRS signal sets after the corresponding table of each DMRS signal and PDSCH parameters, will be described right
Answer table to be sent to the subscriber terminal equipment, the corresponding table be used to indicating described each DMRS signal respectively from different PDSCH
Corresponding relation between parameter；
The base station selects the DMRS signals to include from demodulated reference signal DMRS signal sets：
The base station selects according to the PDSCH parameters and the corresponding table of the PDSCH data from the DMRS signal sets
DMRS signals corresponding with the PDSCH parameters.
3. data transmission method according to claim 2, it is characterised in that the base station is according to the PDSCH data
PDSCH parameters and the corresponding table, select DMRS signals bag corresponding with the PDSCH parameters from the DMRS signal sets
Include：
Physical Resource Block of the base station according to required for the length and the transmission PDSCH data of the PDSCH data is to PRB
The number of pair and the corresponding table, select DMRS signals from the DMRS signal sets.
4. data transmission method according to claim 1, it is characterised in that believe from demodulated reference signal DMRS the base station
Number set in select DMRS signals include：
Each DMRS signal is right with PDSCH parameters in the DMRS signal sets of the base station according to defined in procotol
Table is answered, DMRS signals corresponding with the PDSCH parameters of the PDSCH data is selected from the DMRS signal sets,
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
5. the data transmission method according to claim any one of 1-4, it is characterised in that the base station sets to user terminal
Preparation is sent and also include before the DMRS signals and the PDSCH data：
The base station scrambles the DMRS signals by the mark of subscriber terminal equipment；
The base station sends the DMRS signals to subscriber terminal equipment to be included：
The base station sends the DMRS signals after the scrambling to user equipment corresponding with the mark.
6. a kind of transmission method of data, it is characterised in that including：
Subscriber terminal equipment receives the demodulated reference signal DMRS signals and Physical Downlink Shared Channel PDSCH numbers that base station sends
According to；
The subscriber terminal equipment selects PDSCH parameters corresponding with the DMRS signals, wherein, the PDSCH parameters are used for
Indicate the information of the PDSCH data；
The subscriber terminal equipment according to the PDSCH parameters to the PDSCH Data Detections after, export the number after the detection
According to.
7. data transmission method according to claim 6, it is characterised in that the subscriber terminal equipment selection with it is described
The corresponding PDSCH parameters of DMRS signals include：
Each DMRS signal and PDSCH parameters in the DMRS signal sets that the subscriber terminal equipment is configured according to the base station
Corresponding table, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to indicate described each DMRS
Signal respectively from the corresponding relation between different PDSCH parameters；Or
Each DMRS signal and PDSCH in the DMRS signal sets of the subscriber terminal equipment according to defined in procotol
The corresponding table of parameter, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is described each for indicating
Individual DMRS signals respectively from the corresponding relation between different PDSCH parameters.
8. the data transmission method according to claim 6 or 7, it is characterised in that the subscriber terminal equipment receives base station
The demodulated reference signal DMRS signals of transmission include：
The subscriber terminal equipment receives the DMRS signals after the scrambling that the base station sends, wherein, the DMRS signals are institute
State what base station was scrambled by the mark of the subscriber terminal equipment；
The subscriber terminal equipment receives the demodulated reference signal DMRS signals and Physical Downlink Shared Channel PDSCH that base station sends
Also include after data：
The subscriber terminal equipment descrambles the DMRS signals after the scrambling.
9. a kind of transmitting device of data, it is characterised in that including：
Select unit, for selecting DMRS signals from demodulated reference signal DMRS signal sets, in the DMRS signal sets
Each DMRS signal corresponds to one group of Physical Downlink Shared Channel PDSCH parameter respectively, and the PDSCH parameters are used to indicate PDSCH
The information of data；
Transmitting element, for sending the DMRS signals and the PDSCH that are selected by the select unit to subscriber terminal equipment
Data, to cause that the subscriber terminal equipment selects PDSCH parameters corresponding with the DMRS signals to examine the PDSCH data
After survey, the data after the detection are exported.
10. data transmission device according to claim 9, it is characterised in that also include：
Unit is set up, for before select unit selects DMRS signals from DMRS signal sets, setting up the DMRS signals
The corresponding table of each DMRS signal and PDSCH parameters in set, and the corresponding table is sent to the subscriber terminal equipment, institute
State corresponding table for indicate described each DMRS signal respectively from the corresponding relation between different PDSCH parameters；
The select unit, specifically for PDSCH parameters and the corresponding table according to the PDSCH data, from the DMRS
DMRS signals corresponding with the PDSCH parameters are selected in signal set.
11. data transmission devices according to claim 10, it is characterised in that
The select unit, is specifically additionally operable to according to required for the length and the transmission PDSCH data of the PDSCH data
Physical Resource Block selects DMRS signals to the number and the corresponding table of PRB pair from the DMRS signal sets.
12. data transmission devices according to claim 9, it is characterised in that
The select unit, is specifically additionally operable to each DMRS signal in the DMRS signal sets according to defined in procotol
With the corresponding table of PDSCH parameters, select corresponding with the PDSCH parameters of the PDSCH data from the DMRS signal sets
DMRS signals,
Wherein, the corresponding table be used to indicating described each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
13. data transmission device according to claim any one of 9-12, it is characterised in that described device also includes：
Scrambling unit, for the DMRS signals that the mark scrambling select unit by subscriber terminal equipment is selected；
The transmitting element, is additionally operable to be sent after the scrambling unit is scrambled to user equipment corresponding with the mark
DMRS signals.
A kind of 14. transmitting devices of data, it is characterised in that including：
Receiving unit, demodulated reference signal DMRS signals and Physical Downlink Shared Channel PDSCH numbers for receiving base station transmission
According to；
Select unit, for selecting PDSCH parameters corresponding with the DMRS signals of receiving unit reception, wherein, it is described
PDSCH parameters are used to indicate the information of the PDSCH data；
Detection unit, for the PDSCH parameters that are selected according to the select unit to the PDSCH Data Detections after, export institute
State the data after detection.
15. data transmission devices according to claim 14, it is characterised in that
The select unit, specifically for each DMRS signal and PDSCH in the DMRS signal sets that are configured according to the base station
The corresponding table of parameter, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is described each for indicating
Individual DMRS signals respectively from the corresponding relation between different PDSCH parameters；Or
The select unit, specifically for each DMRS signal in the DMRS signal sets according to defined in procotol with
The corresponding table of PDSCH parameters, selects PDSCH parameters corresponding with the DMRS signals, wherein, the corresponding table is used to indicate institute
State each DMRS signal respectively from the corresponding relation between different PDSCH parameters.
16. data transmission device according to claims 14 or 15, it is characterised in that
The receiving unit, is additionally operable to receive the DMRS signals after the scrambling that the base station sends, wherein, the DMRS signals are
The base station is scrambled by the mark of subscriber terminal equipment；
Described device also includes：
Descrambling unit, for descrambling the DMRS signals after the scrambling that the receiving unit is received.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407601.5A CN103781160B (en) | 2012-10-23 | 2012-10-23 | The transmission method and device of data |
| PCT/CN2013/085433 WO2014063592A1 (en) | 2012-10-23 | 2013-10-18 | Data transmission method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407601.5A CN103781160B (en) | 2012-10-23 | 2012-10-23 | The transmission method and device of data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103781160A CN103781160A (en) | 2014-05-07 |
| CN103781160B true CN103781160B (en) | 2017-06-20 |
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| CN201210407601.5A Expired - Fee Related CN103781160B (en) | 2012-10-23 | 2012-10-23 | The transmission method and device of data |
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| Country | Link |
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| CN (1) | CN103781160B (en) |
| WO (1) | WO2014063592A1 (en) |
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| WO2021027426A1 (en) * | 2019-08-15 | 2021-02-18 | 大唐移动通信设备有限公司 | Method and apparatus for detecting physical downlink control channel (pdcch), and terminal |
| CN111478753B (en) * | 2020-04-30 | 2022-05-27 | 无锡摩罗科技有限公司 | NR non-correlated combined PBCH DMRS blind detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883401A (en) * | 2009-05-07 | 2010-11-10 | 大唐移动通信设备有限公司 | Resource scheduling method and device of feedback information |
| CN102036297A (en) * | 2010-12-24 | 2011-04-27 | 大唐移动通信设备有限公司 | Method and equipment for transmitting PDCCH, method and equipment for detecting PDCCH, and system |
| JP2011114746A (en) * | 2009-11-30 | 2011-06-09 | Sharp Corp | Transmitting apparatus, receiving apparatus, communication system and communication method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101964676B (en) * | 2009-07-22 | 2014-04-09 | 中兴通讯股份有限公司 | Method and base station for sending relay link downlink demodulation reference signal and relay station |
| KR101241916B1 (en) * | 2010-02-07 | 2013-03-11 | 엘지전자 주식회사 | A method for transmitting downlink reference signal in multi-carrier supporting wireless communication system and an apparatus for the same |
| CN101827444B (en) * | 2010-03-31 | 2015-03-25 | 中兴通讯股份有限公司 | Signaling configuration system and method for measuring reference signal |
-
2012
- 2012-10-23 CN CN201210407601.5A patent/CN103781160B/en not_active Expired - Fee Related
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883401A (en) * | 2009-05-07 | 2010-11-10 | 大唐移动通信设备有限公司 | Resource scheduling method and device of feedback information |
| JP2011114746A (en) * | 2009-11-30 | 2011-06-09 | Sharp Corp | Transmitting apparatus, receiving apparatus, communication system and communication method |
| CN102036297A (en) * | 2010-12-24 | 2011-04-27 | 大唐移动通信设备有限公司 | Method and equipment for transmitting PDCCH, method and equipment for detecting PDCCH, and system |
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| Publication number | Publication date |
|---|---|
| CN103781160A (en) | 2014-05-07 |
| WO2014063592A1 (en) | 2014-05-01 |
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Effective date of registration: 20191210 Address after: 056000 No.90, zone 3, Hebei Pu village, Linmingguan Town, Yongnian County, Handan City, Hebei Province Patentee after: Zhao Luzhao Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20191210 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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