CN106603209A - Time domain and frequency domain resource jointly bundled data transmission method and equipment - Google Patents
Time domain and frequency domain resource jointly bundled data transmission method and equipment Download PDFInfo
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- CN106603209A CN106603209A CN201510674404.3A CN201510674404A CN106603209A CN 106603209 A CN106603209 A CN 106603209A CN 201510674404 A CN201510674404 A CN 201510674404A CN 106603209 A CN106603209 A CN 106603209A
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- redundancy versions
- subframe
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a time domain and frequency domain resource jointly bundled data transmission method and time domain and frequency domain resource jointly bundled data transmission equipment. The time domain and frequency domain resource jointly bundled data transmission method comprises the steps of: determining at least one subframe for carrying out data transmission on a transport block in a wireless frame and a redundancy version corresponding to each available carrier of each subframe according to the number of redundancy versions of a current transport block; and transmitting the different redundancy versions of the transport block on the available carriers of each subframe simultaneously according to the redundancy version corresponding to each available carrier of each subframe, so that a terminal performs merged decoding according to the different redundancy versions of the transport block. The data transmission method and the data transmission equipment can fully utilize the multi-carrier resources in the frequency domain, effectively improve the utilization rate of the time-frequency resources, significantly reduce the time delay of transmitting the multiple redundancy versions, and satisfy the low time delay and high reliability requirements of the system.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of binding of time-domain and frequency-domain resource joint
Data transmission method and equipment.
Background technology
LTE (Long Term Evolution, Long Term Evolution) system binds TTI using time slot
Bundling technologies reduce the time delay of up multiple re-transmission.TTI bundling are by multiple continuous
Same TB (Transport Block, transmission block) sent in subframe repeatedly, and without waiting for
The technology of ACK/NACK, after all transmission of the correspondence TB are all received and have been processed,
A united ACK/NACK will be sent.The many of same TB are received in continuous subframe
Secondary transmission (different redundancy versions RV), and after doing soft merging process, using one
ACK/NACK does unified response.The number of subframes of binding is fixed as 4 by LTE system at present
It is secondary, as shown in Figure 1.
At present, in intelligent driving application, need to ensure the communication that low time delay is highly reliable, system is needed
The user plane met by 1ms single time delay of eating dishes without rice or wine is less than 1ms and little overall delay is repeatedly retransmitted
Under the conditions of 10ms, air interface transmission reliability is not less than 99.999% requirement.Corresponding frame structure
It is as follows：Each radio frames duration Tf=614400 × Ts=10ms, comprising 20 subframes, often
Subframe lengths Tsubframe=30720 × Ts=0.5ms, numbering 0～19.
For this frame structure, existing TTI bundling technologies cannot meet the demand of system.
Existing TTI bundling technologies are only supported in time domain several continuous subframes to be tied up one
The multiple redundancy versions of transmission are played, does not make full use of the multi-carrier resource of frequency domain further to reduce passing
The time delay of defeated multiple redundancy versions, it is impossible to meet the low time delay and highly reliable demand of system；In addition
Existing TTI bundling technical transmissions scheme underaction, transmitting the number of sub-frames bound every time is
Fixed, it is defective in terms of different channels condition is adapted to.
The content of the invention
For the defect of prior art, the present invention provides a kind of time-domain and frequency-domain resource joint binding
Data transmission method and equipment, reduce the time delay for transmitting multiple redundancy versions, while meeting system
The low time delay of system and highly reliable demand, are effectively improved the utilization rate of running time-frequency resource.
According to an aspect of the invention, there is provided a kind of number of time-domain and frequency-domain resource joint binding
According to transmission method, the method includes：
According to the number of the redundancy versions of current transmission block, determine in radio frames to the transmission block
At least one subframe for carrying out data transmission and each available carrier wave of each subframe are corresponding superfluous
Remaining version；
According to the corresponding redundancy versions of each available carrier wave of each subframe, in each subframe can
With the different redundancy versions of transmission block described in simultaneous transmission on carrier wave, so that terminal is according to the biography
Defeated piece of different redundancy versions merge decoding.
Wherein, the number of the redundancy versions according to current transmission block, it is right in radio frames to determine
The corresponding redundancy of the available carrier wave of subframe and each subframe that the transmission block carries out data transmission
Version, specifically includes：
From the beginning of first subframe, each available carrier wave distribution correspondence of first subframe is followed successively by
Redundancy versions；
Will be the number of the redundancy versions of the transmission block individual with the available carrier wave of first subframe
Number is compared；
When the number of the redundancy versions of the transmission block is more than the available carrier wave of first subframe
During number, it is that each available carrier wave of next subframe distributes remaining redundancy versions, until described
The redundancy versions of transmission block are all assigned.
Wherein, methods described also includes：
The first mark of addition and the second mark in the Downlink Control Information DCI of descending scheduling, with
The redundancy for making terminal be transmitted in different carrier waves and subframe according to the described first mark and the second mark
Version merges decoding；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
Wherein, methods described also includes：
The 3rd mark of addition, the 4th mark and the in the Downlink Control Information DCI of uplink scheduling
Five marks, so that terminal selects same according to the described 3rd mark, the 4th mark and the 5th mark
The different redundancy versions of transmission block are transmitted on designated carrier；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
Wherein, methods described also includes：
The decoding result that receiving terminal is returned；
When terminal decoding failure, the transmission block is entered in re-executing the determination radio frames
The corresponding redundancy of each available carrier wave of at least one subframe and each subframe of row data transfer
The step of version, to realize the re-transmission of transmission block.
According to another aspect of the present invention, there is provided a kind of time-domain and frequency-domain resource joint binding
Data transmission set, the equipment include：
Determining module, for the number of the redundancy versions according to current transmission block, determines radio frames
In at least one subframe that the transmission block is carried out data transmission and each of each subframe can
With the corresponding redundancy versions of carrier wave；
Transport module, for the corresponding redundancy versions of each available carrier wave according to each subframe,
The different redundancy versions of transmission block described in simultaneous transmission in the available carrier wave of each subframe, so that
Terminal merges decoding according to the different redundancy versions of the transmission block.
Wherein, the determining module, including：
Allocation unit, for, from the beginning of first subframe, being followed successively by each of first subframe can
Distribute corresponding redundancy versions with carrier wave；
Comparing unit, for will be the number of the redundancy versions of the transmission block with described first
The available carrier wave number of frame is compared；
The allocation unit, is additionally operable to the number of redundancy versions when the transmission block more than described
During the available carrier wave number of first subframe, it is that each available carrier wave distribution of next subframe is remaining
Redundancy versions, until the redundancy versions of the transmission block are all assigned.
Wherein, the equipment also includes：
First add module, for adding first in the Downlink Control Information DCI of descending scheduling
Identify and the second mark, so that terminal is identified different carrier waves according to the described first mark and second
Decoding is merged with the redundancy versions transmitted in subframe；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
Wherein, the equipment also includes：
Second add module, for adding the 3rd in the Downlink Control Information DCI of uplink scheduling
Mark, the 4th mark and the 5th mark, so that terminal is according to the described 3rd mark, the 4th mark
The different redundancy versions of same transmission block are selected to be transmitted on designated carrier with the 5th mark；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
Wherein, the equipment also includes：
Receiver module, for the decoding result that receiving terminal is returned；
The determining module, is additionally operable to, when terminal decoding failure, re-execute the determination nothing
At least one subframe that the transmission block carried out data transmission in line frame and each subframe it is every
The operation of the corresponding redundancy versions of one available carrier wave, to realize the re-transmission of transmission block.
Beneficial effects of the present invention are：
Data transmission method and set that time-domain and frequency-domain resource joint provided in an embodiment of the present invention is bound
It is standby, the multi-carrier resource of frequency domain can be made full use of, and multiple redundancy versions are transmitted in a sub- frame in
This, such that it is able to significantly reduce the time delay for transmitting multiple redundancy versions, while meeting the low of system
Time delay and highly reliable demand；In addition, the present invention is by the improvement to scheduling control signaling, can
Support that flexible carrier wave, redundancy versions and the number of transmissions are selected, be effectively improved running time-frequency resource
Utilization rate.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
Accompanying drawing to be used needed for embodiment or description of the prior art will be briefly described, show and
Easy insight, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, can be with according to these
Figure obtains other accompanying drawings.
Fig. 1 is the LTE system TTI bundling schematic diagrams that propose in background technology；
A kind of data of time-domain and frequency-domain resource joint binding that Fig. 2 is provided for one embodiment of the invention
The schematic flow sheet of transmission method；
The data transfer of the time-domain and frequency-domain resource joint binding that Fig. 3 is provided for one embodiment of the invention
The joint binding transmission schematic diagram of transmission block in method；
A kind of number of time-domain and frequency-domain resource joint binding that Fig. 4 is provided for another embodiment of the present invention
According to the structural representation of transmission equipment.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below will knot
Close the embodiment of the present invention in accompanying drawing, the technical scheme in the embodiment of the present invention is carried out it is clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of making creative work, belongs to protection of the present invention
Scope.
Those skilled in the art of the present technique are appreciated that unless expressly stated, odd number used herein
Form " one ", " one ", " described " and " being somebody's turn to do " may also comprise plural form.It will be further understood that
, the present invention description used in wording " including " refer to exist the feature, integer,
Step, operation, element and/or component, but it is not excluded that existing or adding one or more its
His feature, integer, step, operation, element, component and/or their group.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, used herein all
Term (include technical term and scientific terminology), with art of the present invention in common skill
The general understanding identical meaning of art personnel.It should also be understood that fixed in such as general dictionary
Those terms of justice, it should be understood that consistent with the meaning in the context with prior art
Meaning, and unless by specific definitions, otherwise will not be with idealization or excessively formal implication
To explain.
Fig. 2 shows a kind of number of time-domain and frequency-domain resource joint binding provided in an embodiment of the present invention
According to the schematic flow sheet of transmission method.
As shown in Fig. 2 the data transfer that the time-domain and frequency-domain resource joint that the present embodiment is provided is bound
Method specifically includes following steps：
S11, according to the number of the redundancy versions of current transmission block, determine in radio frames to the biography
Each available carrier wave correspondence of defeated piece of at least one subframe for carrying out data transmission and each subframe
Redundancy versions；
S12, according to the corresponding redundancy versions of each available carrier wave of each subframe, in each subframe
Available carrier wave on transmission block described in simultaneous transmission different redundancy versions so that terminal is according to institute
The different redundancy versions for stating transmission block merge decoding.
The data transmission method of time-domain and frequency-domain resource joint binding provided in an embodiment of the present invention, leads to
The different redundancy versions for distributing same transmission block on preferential available different carrier waves are crossed, when one
The frequency domain resource of subframe is assigned, and also redundancy versions waiting for transmission when, select next
Subframe continues the transmission that different redundancy versions are arranged according to the mode of frequency domain finite, until all
Redundancy versions end of transmission to be passed, realizes the data transfer of time-domain and frequency-domain resource joint binding.
The embodiment of the present invention makes full use of the multi-carrier resource of frequency domain, many in a sub- frame in transmission
Individual redundancy versions, such that it is able to significantly reduce the time delay for transmitting multiple redundancy versions, while meeting
The low time delay of system and highly reliable demand；In addition, the present invention is by changing to scheduling control signaling
Enter, it would be preferable to support flexible carrier wave, redundancy versions and the number of transmissions are selected, and are effectively improved
The utilization rate of running time-frequency resource.
Further, in embodiments of the present invention, step S11, specifically includes in below figure
Unshowned step：
S111, from the beginning of first subframe, be followed successively by each available carrier wave point of first subframe
With corresponding redundancy versions；
S112, by the available of the number of the redundancy versions of the transmission block and first subframe
Variable number is compared；
S113, when the transmission block redundancy versions number more than first subframe can
When using variable number, it is that each available carrier wave of next subframe distributes remaining redundancy versions, directly
Redundancy versions to the transmission block are all assigned.
In the embodiment of the present invention, when base station is configured with multiple carrier waves for terminal, first first
The different redundancy versions of same transmission block are transmitted on the available different carrier waves of individual subframe；Work as needs
When the redundancy versions number of transmission is more than available carrier wave number, in the available carrier wave of next subframe
Remaining different redundancy versions are transmitted respectively, if the subframe still cannot transfer all of redundancy
Version, then select next subframe to continue to transmit in the manner described above, until needs transmission
All redundancy versions are transferred.
Further, send or receive same in order to instruction terminal on which subframe, carrier wave
The different redundancy versions of one transmission block, the embodiment of the present invention are additionally included in descending scheduling and up tune
Increase corresponding identification field in the Downlink Control Information DCI of degree, the step of to add respective identification,
Concrete methods of realizing is as follows：
Descending scheduling
The first mark of addition and the second mark in the Downlink Control Information DCI of descending scheduling, with
The redundancy for making terminal be transmitted in different carrier waves and subframe according to the described first mark and the second mark
Version merges decoding；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
In embodiments of the present invention, by, in the DCI of descending scheduling, increasing domain 1 and domain 2,
To add the first mark and the second mark.For the different redundancy versions of same transmission block, domain 1
Value is identical, the redundancy that terminal will can be transmitted on different carrier waves and subframe according to the value in domain 1
Version is merged；Domain 2 is used to indicate whether corresponding redundancy versions are that last a needs connect
The redundancy versions of receipts.
Uplink scheduling
The 3rd mark of addition, the 4th mark and the in the Downlink Control Information DCI of uplink scheduling
Five marks, so that terminal selects same according to the described 3rd mark, the 4th mark and the 5th mark
The different redundancy versions of transmission block are transmitted on designated carrier；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
In embodiments of the present invention, by, in the DCI of uplink scheduling, increasing domain 1, domain 2
With domain 3, with add the 3rd mark, the 4th mark and the 5th mark.For same transmission block not
Same redundancy versions, 1 value of domain are identical, and terminal selects same transmission block not according to the value in domain 1
It is transmitted on designated carrier with redundancy versions；Domain 2 is used to indicate that redundancy versions are numbered；Domain 3
For indicating whether corresponding redundancy versions are last a redundancy versions for needing transmission.
Further, the embodiment of the present invention provides the data transfer of time-domain and frequency-domain resource joint binding
Method, also includes：
The decoding result that receiving terminal is returned；
When terminal decoding failure, the transmission block is entered in re-executing the determination radio frames
The corresponding redundancy of each available carrier wave of at least one subframe and each subframe of row data transfer
The step of version, to realize the re-transmission of transmission block.
In order to ensure reliability that transmission block is received by terminal, in the embodiment of the present invention, afterwards,
The step of also including the decoding result that receiving terminal is returned, if the decoding result for receiving indicates end
End decoding failure, then carry out data biography to the transmission block in re-executing the determination radio frames
The step of the corresponding redundancy versions of defeated each available carrier wave of at least one subframe and each subframe
Suddenly, to realize the re-transmission of transmission block, and then guarantee that terminal receives all redundancy versions of transmission block
This.
Below by the specific embodiment of a time-frequency domain resources joint binding transmission, to the present invention
Technical scheme is illustrated.
In the data transmission method of the time-domain and frequency-domain resource joint binding that Fig. 3 is provided for the present embodiment
The joint binding transmission schematic diagram of transmission block, it is as shown in figure 3, in this embodiment, descending
One transmission block has 4 redundancy versions and will pass.In subframe 0, RV0 is placed on carrier wave 1 and transmits,
RV2 is placed on the 2nd carrier wave and transmits；Due to 0 frequency domain resource of subframe it is not enough, also RV3 and
RV1 is to be passed, therefore in subframe 1, the transmission RV3 of carrier wave 1 transmits RV1 on carrier wave 2.
After RV1 end of transmissions, terminal-pair RV0, RV2, RV3, RV1 merge decoding.
When decoding failure, start to transmit again in subframe 6.
The embodiment of the present invention, solving that existing TTI bundling technologies only support will be several in time domain
Individual continuous subframe is held together the multiple redundancy versions of transmission, does not make full use of the overloading of frequency domain
Ripple resource further reduces the problem of the time delay for transmitting multiple redundancy versions, by different subframes
Distribute the different redundancy versions of same transmission block on available different carrier waves, realize time-domain and frequency-domain
The data transfer of resource joint binding, reduces the time delay for transmitting multiple redundancy versions, while full
The low time delay of pedal system and highly reliable demand, are effectively improved the utilization rate of running time-frequency resource.
Fig. 4 shows a kind of number of time-domain and frequency-domain resource joint binding provided in an embodiment of the present invention
According to the structural representation of transmission equipment.
As shown in figure 4, the data transfer that the time-domain and frequency-domain resource joint that the present embodiment is provided is bound
Equipment is specifically included：Determining module 401 and transport module 402, wherein：
Described determining module 401, for the number of the redundancy versions according to current transmission block, really
At least one subframe transmission block carried out data transmission in determining radio frames and each subframe
The corresponding redundancy versions of each available carrier wave；
Described transport module 402, it is corresponding superfluous for each available carrier wave according to each subframe
Remaining version, the different redundancy versions of transmission block described in simultaneous transmission in the available carrier wave of each subframe
This, so that terminal merges decoding according to the different redundancy versions of the transmission block.
Wherein, the determining module 401 for proposing in the embodiment of the present invention, further includes allocation unit
And comparing unit, wherein：
The allocation unit, for, from the beginning of first subframe, being followed successively by the every of first subframe
One available carrier wave distributes corresponding redundancy versions；
The comparing unit, for by the number of the redundancy versions of the transmission block and described first
The available carrier wave number of individual subframe is compared；
Accordingly, the allocation unit, is additionally operable to the number of the redundancy versions when the transmission block
More than first subframe available carrier wave number when, be each available carrier wave of next subframe
Distribute remaining redundancy versions, until the redundancy versions of the transmission block are all assigned.
Further, the data of the time-domain and frequency-domain resource joint binding for proposing in the embodiment of the present invention
Transmission equipment, also including the first add module：
Involved first add module, for adding in the Downlink Control Information DCI of descending scheduling
First identifies and the second mark, so that terminal is identified difference according to the described first mark and second
The redundancy versions transmitted on carrier wave and subframe merge decoding；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
Further, the data of the time-domain and frequency-domain resource joint binding for proposing in the embodiment of the present invention
Transmission equipment, also including the second add module：
Second add module, for adding in the Downlink Control Information DCI of uplink scheduling
3rd mark, the 4th mark and the 5th mark so that terminal according to the described 3rd mark, the 4th
Mark and the 5th mark select the different redundancy versions of same transmission block to be passed on designated carrier
It is defeated；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
Further, the data of the time-domain and frequency-domain resource joint binding for proposing in the embodiment of the present invention
Transmission equipment, also including receiver module：
The receiver module, for the decoding result that receiving terminal is returned；
Accordingly, the determining module 401, is additionally operable to, when terminal decoding failure, re-execute
At least one subframe that the transmission block carried out data transmission in the determination radio frames and every
The operation of the corresponding redundancy versions of each available carrier wave of one subframe, to realize the re-transmission of transmission block.
For apparatus embodiments, due to itself and embodiment of the method basic simlarity, so description
It is fairly simple, related part is illustrated referring to the part of embodiment of the method.
In sum, a kind of time-domain and frequency-domain resource joint for being provided according to the embodiments of the present invention
The data transmission method and equipment of binding, by distributing same on preferential available different carrier waves
The different redundancy versions of transmission block, when the frequency domain resource of a subframe is assigned, and need
During the redundancy versions of transmission, next subframe is selected to continue to arrange not according to the mode of frequency domain finite
With the transmission of redundancy versions, until all redundancy versions end of transmissions to be passed, realizing time domain
The data transfer of frequency domain resource joint binding.
The embodiment of the present invention makes full use of the multi-carrier resource of frequency domain, many in a sub- frame in transmission
Individual redundancy versions, such that it is able to significantly reduce the time delay for transmitting multiple redundancy versions, while meeting
The low time delay of system and highly reliable demand；In addition, the present invention is by changing to scheduling control signaling
Enter, it would be preferable to support flexible carrier wave, redundancy versions and the number of transmissions are selected, and are effectively improved
The utilization rate of running time-frequency resource.
Device embodiment described above is only schematic, wherein described as separated part
The unit of part explanation can be or may not be physically separate, show as unit
Part can be or may not be physical location, you can with positioned at local a, Huo Zheye
Can be distributed on multiple NEs.Can select according to the actual needs part therein or
Person's whole module is realizing the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying
In the case of going out performing creative labour, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that
The mode of required general hardware platform can be added to realize by software to each embodiment, certainly
Hardware can also be passed through.Based on such understanding, above-mentioned technical proposal is substantially in other words to existing
There is the part that technology contributes embody in the form of software product, the computer is soft
Part product can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disc, light
Disk etc., use including some instructions so that computer equipment (can be personal computer,
Server, or the network equipment etc.) perform some part institutes of each embodiment or embodiment
The method stated.
Finally it should be noted that：Above example only to illustrate technical scheme, and
It is non-which is limited；Although being described in detail to the present invention with reference to the foregoing embodiments, ability
The those of ordinary skill in domain should be understood：Which still can be to the skill described in foregoing embodiments
Art scheme is modified, or carries out equivalent to which part technical characteristic；And these are repaiied
Change or replace, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (10)
1. the data transmission method that a kind of time-domain and frequency-domain resource joint is bound, it is characterised in that should
Method includes：
According to the number of the redundancy versions of current transmission block, determine in radio frames to the transmission block
At least one subframe for carrying out data transmission and each available carrier wave of each subframe are corresponding superfluous
Remaining version；
According to the corresponding redundancy versions of each available carrier wave of each subframe, in each subframe can
With the different redundancy versions of transmission block described in simultaneous transmission on carrier wave, so that terminal is according to the biography
Defeated piece of different redundancy versions merge decoding.
2. method according to claim 1, it is characterised in that described according to current transmission
The number of the redundancy versions of block, the son transmission block carried out data transmission in determining radio frames
The corresponding redundancy versions of available carrier wave of frame and each subframe, specifically include：
From the beginning of first subframe, each available carrier wave distribution correspondence of first subframe is followed successively by
Redundancy versions；
Will be the number of the redundancy versions of the transmission block individual with the available carrier wave of first subframe
Number is compared；
When the number of the redundancy versions of the transmission block is more than the available carrier wave of first subframe
During number, it is that each available carrier wave of next subframe distributes remaining redundancy versions, until described
The redundancy versions of transmission block are all assigned.
3. method according to claim 1, it is characterised in that methods described also includes：
The first mark of addition and the second mark in the Downlink Control Information DCI of descending scheduling, with
The redundancy for making terminal be transmitted in different carrier waves and subframe according to the described first mark and the second mark
Version merges decoding；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
4. method according to claim 3, it is characterised in that methods described also includes：
The 3rd mark of addition, the 4th mark and the in the Downlink Control Information DCI of uplink scheduling
Five marks, so that terminal selects same according to the described 3rd mark, the 4th mark and the 5th mark
The different redundancy versions of transmission block are transmitted on designated carrier；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
5. method according to claim 1, it is characterised in that methods described also includes：
The decoding result that receiving terminal is returned；
When terminal decoding failure, the transmission block is entered in re-executing the determination radio frames
The corresponding redundancy of each available carrier wave of at least one subframe and each subframe of row data transfer
The step of version, to realize the re-transmission of transmission block.
6. the data transmission set that a kind of time-domain and frequency-domain resource joint is bound, it is characterised in that should
Equipment includes：
Determining module, for the number of the redundancy versions according to current transmission block, determines radio frames
In at least one subframe that the transmission block is carried out data transmission and each of each subframe can
With the corresponding redundancy versions of carrier wave；
Transport module, for the corresponding redundancy versions of each available carrier wave according to each subframe,
The different redundancy versions of transmission block described in simultaneous transmission in the available carrier wave of each subframe, so that
Terminal merges decoding according to the different redundancy versions of the transmission block.
7. equipment according to claim 6, it is characterised in that the determining module, bag
Include：
Allocation unit, for, from the beginning of first subframe, being followed successively by each of first subframe can
Distribute corresponding redundancy versions with carrier wave；
Comparing unit, for will be the number of the redundancy versions of the transmission block with described first
The available carrier wave number of frame is compared；
The allocation unit, is additionally operable to the number of redundancy versions when the transmission block more than described
During the available carrier wave number of first subframe, it is that each available carrier wave distribution of next subframe is remaining
Redundancy versions, until the redundancy versions of the transmission block are all assigned.
8. equipment according to claim 6, it is characterised in that the equipment also includes：
First add module, for adding first in the Downlink Control Information DCI of descending scheduling
Identify and the second mark, so that terminal is identified different carrier waves according to the described first mark and second
Decoding is merged with the redundancy versions transmitted in subframe；
Wherein, described first identify for identifying the different redundancy versions of same transmission block, it is described
Second identifies for identifying whether the corresponding redundancy versions of current carrier are the last of current transmission block
One redundancy versions for needing to receive.
9. equipment according to claim 8, it is characterised in that the equipment also includes：
Second add module, for adding the 3rd in the Downlink Control Information DCI of uplink scheduling
Mark, the 4th mark and the 5th mark, so that terminal is according to the described 3rd mark, the 4th mark
The different redundancy versions of same transmission block are selected to be transmitted on designated carrier with the 5th mark；
Wherein, the described 3rd identify for identifying the different redundancy versions of same transmission block, it is described
4th identifies for identifying the numbering of the corresponding redundancy versions of current carrier, and the 5th mark is used
It is whether that last of current transmission block needs the redundancy version for sending in mark Current redundant version
This.
10. equipment according to claim 6, it is characterised in that the equipment also includes：
Receiver module, for the decoding result that receiving terminal is returned；
The determining module, is additionally operable to, when terminal decoding failure, re-execute the determination nothing
At least one subframe that the transmission block carried out data transmission in line frame and each subframe it is every
The operation of the corresponding redundancy versions of one available carrier wave, to realize the re-transmission of transmission block.
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| CN201510674404.3A CN106603209B (en) | 2015-10-16 | 2015-10-16 | Data transmission method and device for time domain and frequency domain resource joint binding |
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| CN201510674404.3A CN106603209B (en) | 2015-10-16 | 2015-10-16 | Data transmission method and device for time domain and frequency domain resource joint binding |
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| CN106603209A true CN106603209A (en) | 2017-04-26 |
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