CN103427942B - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
- Publication number
- CN103427942B CN103427942B CN201210162299.1A CN201210162299A CN103427942B CN 103427942 B CN103427942 B CN 103427942B CN 201210162299 A CN201210162299 A CN 201210162299A CN 103427942 B CN103427942 B CN 103427942B
- Authority
- CN
- China
- Prior art keywords
- tti
- transmitting terminal
- transmission
- bundling
- tti bundling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of data transmission method and device, this method includes：Transmitting terminal determines TTIBundling transmission modes used in data transmission；Transmitting terminal encodes the data of transmission, generates coding redundancy version；Transmitting terminal sends coding redundancy version according to TTIBundling transmission modes.The technical issues of causing PUSCH coverings limited since the transmission power of UE is limited of the prior art can be solved using the present invention.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method and device.
Background technology
For 3G construction, the effect of coverage enhancement technology is to solve investment and the contradiction of covering capacity.In fierceness
Under market competition environment, operator needs to improve the breadth and depth of covering, and to improve covering will increase investment.Covering increases
Strong technology seems to alleviate the extensively contradiction between covering and great amount of investment to a certain extent, it can not only expand covering model
It encloses, moreover it is possible to accelerate the construction speed of network, at the same time reduce the investment of operator.
In long term evolution (Long Term Evolution, referred to as LTE) system, downlink employs orthogonal frequency division multiplexing
(Orthogonal Frequency Division Multiplexing Access, referred to as OFDMA) skill is accessed with multiple access
Art can significantly reduce the interference in cell, but due to using identical frequency process networking, inter-cell interference (Inter-Cell more
Interference, referred to as ICI) increase significantly.In order to reduce ICI, LTE also has standardized many technologies, for example, downlink is small
(Inter-Cell Interfernce Cancellation, referred to as ICIC) is eliminated in section interference.Downlink ICIC technologies are based on
Base station (eNodeB, referred to as eNB) Relative Narrowband TX Power (Relative Narrowband TX Power, referred to as
RNTP) method of limitation realizes that downlink interferes advance prompting function, enhances physical down Traffic Channel (Physical
Downlink Shared Channel, referred to as PDSCH) covering performance.Uplink employs he Single Carrier-Frequency Division multiple access access
(Single Carrier-Frequency Division Multiplexing Access, referred to as SC-FDMA) technology, energy
The peak-to-average force ratio of UE is enough significantly reduced, improves signal quality, but due to using identical frequency process networking, inter-cell interference ICI as much
Increase apparent.In order to reduce ICI, LTE uplinks also have standardized many technologies, for example, uplink be based on high interference instruction (HII)/
Overload instruction (OI) ICIC technologies, enhance physical uplink Traffic Channel (Physical Uplink Shared Channel,
Referred to as PUSCH).
At present, it tests and emulates by Experimental Network and find, covering performance is limited wherein one in each channel in LTE system
It is a main reason is that：The limited PUSCH for leading to moderate rate of the transmission power of UE is limited, and the ICI between base station causes at a high speed
The PDSCH of rate is limited.This proposes demand to the covering performance of LTE system, in existing LTE system, between transmission time
It is that one kind is located at cell for improving every (Transmission Time Interval, referred to as TTI) binding (bundling)
The method of edge moderate rate user performance improves community marginal user performance with regard to that can reach raising system coverage rate to reach
Purpose, TTI bundling are made of 4 TTI.In 4 TTI of binding (bundle), the transmission of first TTI according to
Feedback on uplink authorization (UL grant) or retransmission indicating chanel (PHICH) on PDCCH is sent, remaining 3 TTI is using blind
It retransmits (i.e. without considering feedback).The last one TTI of bundle is directed to the feedback of bundle.The re-transmission of TTI bundle is still
It is so TTI bundle.
Fig. 1 is hybrid automatic repeat-request (the Hybrid Automatic Repeat under TTI bundling
ReQuest, HARQ) sequence diagram, in order to give eNB end-receivers sufficient decoding time, wherein ack/nack information (ACK/
NACK) 4ms is sent after the last one binding subframe of TTI bundling；Although theoretically, for same process
HARQ, 4ms can be carried out retransmitting after NACK is received, but be clashed in order to avoid retransmitting with head biographies, then provide
8ms is just retransmitted after NACK is received.
In order to enhance system covering performance, one of which method is exactly to increase the subframe bound in TTIbundling technologies
4 subframes become 8 subframes by number, by increasing continuously transmitting number and enhancing covering performance for data.But Mr. Yu
For a little users, although in marginal position, 1 TTI is difficult to correct transmission packet, and 4 TTI binding subframes are just enough to complete
Correctly transmission, then can cause the wasting of resources according to 8 TTI binding subframes.But for other edge customer,
8 continuous TTI may be needed to carry out binding transmission again could improve success rate.Therefore, in view of geography residing for different user
Position and the difference of channel circumstance, all selection 4 or 8 is all difficult to the performance being optimal to the number of TTI binding subframe.
And the problem of causing PUSCH coverings limited since the transmission power of UE is limited in the relevant technologies, does not solve preferably
Method.
For above-mentioned the problem of causing PUSCH coverings limited since the transmission power of UE is limited, not yet propose have at present
The solution of effect.
Invention content
An embodiment of the present invention provides a kind of data transmission method and device, at least solve the prior art due to UE's
Transmission power is limited to cause PUSCH to cover the technical issues of limited.
One side according to embodiments of the present invention provides a kind of data transmission method, including：Transmitting terminal determines data
Transmission time interval bonding TTI Bundling transmission modes used in transmission；The transmitting terminal compiles the data of transmission
Code generates coding redundancy version；The transmitting terminal sends the coding redundancy version according to the TTI Bundling transmission modes
This.
Preferably, the transmitting terminal determines TTI Bundling transmission modes used in data transmission, including：The hair
Sending end determines the TTI Bundling transmission modes according to the indication signaling received.
Preferably, the indication signaling carries at least one following：TTI bundling enable mark；TTI
Bundling pattern identification TTI Bundling-mode.
Preferably, the transmitting terminal determines the transmission mode according to the indication signaling received, including：When the transmission
When end does not receive TTI bundling pattern identifications, the transmitting terminal acquiescence carries out TTI bundling transmission according to pattern 1；
When the transmitting terminal receives TTI bundling pattern identifications as first flag value, the transmitting terminal is carried out according to pattern 1
TTI bundling are transmitted；When the transmitting terminal receives TTI bundling pattern identifications as second identifier value, the hair
Sending end carries out TTI bundling transmission according to pattern 2, wherein, the first flag value is different from the second identifier value.
Preferably, when the transmitting terminal carries out TTI bundling transmission according to pattern 1, the transmitting terminal is according to described
TTI Bundling transmission modes send the coding redundancy version, including：The transmitting terminal is according to pre-defined rule continuous
The coding redundancy version is sent on TTI_BUNDLE_SIZE_mode1 TTI, wherein, TTI_BUNDLE_SIZE_mode1 tables
Show the TTI total number for carrying out TTI binding transmission in mode 1.
Preferably, it after the transmitting terminal sends the coding redundancy version, further includes：In the subframe for carrying out bundle
In, the transmitting terminal only receives the hybrid automatic repeat-request HARQ feedback information for coming from the last one binding subframe；Wherein,
The HARQ feedback information is receiving terminal the 4th behind the last one TTI of TTI_BUNDLE_SIZE_mode1 TTI
The ack/nack ACK/NACK information that TTI is sent.
Preferably, each TTI in same binding frame is sent in same HARQ process numbers.
Preferably, when the transmitting terminal carries out TTI bundling transmission according to pattern 2, the transmitting terminal is according to described
TTI Bundling transmission modes send the coding redundancy version, including：The transmitting terminal is according to pre-defined rule in TTI_
The coding redundancy version is sent on BUNDLE_SIZE_mode2 TTI, wherein, TTI_BUNDLE_SIZE_mode2 is represented
The TTI total number of 2 times progress TTI binding transmission of pattern.
Preferably, when the transmitting terminal carries out TTI bundling transmission according to pattern 2, the transmitting terminal is according to described
TTI Bundling transmission modes send the coding redundancy version, including：When head is passed, the transmitting terminal exists according to pre-defined rule
The coding redundancy version is sent on TTI_BUNDLE_SIZE_mode2 TTI；During re-transmission, the transmitting terminal is according to pre- set pattern
The coding redundancy version is then sent on TTI_BUNDLE_SIZE_mode1 TTI.
Preferably, when TTI_BUNDLE_SIZE_mode2 TTI consecutive hours, in the subframe for carrying out bundle, the hair
Sending end only receives the HARQ feedback information from the last one binding subframe；Wherein, the feedback information is receiving terminal in TTI_
The ACK/NACK information that the 4th TTI is sent behind the last one TTI of BUNDLE_SIZE_mode2 TTI.
Preferably, it is described in the subframe for carrying out bundle when TTI_BUNDLE_SIZE_mode2 TTI is discontinuous
Transmitting terminal receives in M1 TTI of first part the HARQ feedback information of the last one binding subframe and respectively from second
The HARQ feedback information of the last one binding subframe in the TTI of part M2；Wherein, the TTI_BUNDLE_SIZE_mode2
TTI points are two parts, and first part includes M1 continuous TTI, and second part includes M2 continuous TTI, wherein, M1+M2
First TTI of=TTI_BUNDLE_SIZE_mode2, the second part TTI in binding are located at the first part TTI in binding
The last one TTI behind n-th TTI；The HARQ feedback information is the last one TTI of the receiving terminal in M1 TTI
ACK/NACK information that 4th TTI next is sent and the 4th TTI transmission behind the last one TTI of M2 TTI
ACK/NACK information.
Preferably, in the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, described the
The HARQ of each TTI in a part of M1 continuous TTI withouts waiting for the HARQ feedback information of former frame and directly adopts
It is transmitted again with non-adaptive mode；In the HARQ for carrying out binding transmission, according to TTI_BUNDLE_SIZE_mode2
Instruction, the HARQ of each TTI in the continuous TTI of the second part M2 withouts waiting for the HARQ feedback of former frame
Information and directly transmitted again by the way of non-adaptive.
Preferably, when the HARQ feedback information of the last one binding subframe in described M1 TTI of first part is
During NACK, the transmitting terminal carries out non-adaptive re-transmission on the M1 TTI, and maximum retransmission is maxHARQ；When next
When the feedback information of the last one binding subframe is NACK from described M2 TTI of second part, the transmitting terminal is in the M2
A TTI carries out non-adaptive re-transmission, and maximum retransmission is maxHARQ-1.
Preferably, when the number of transmissions CURRENT_TX_NB of the transmitting terminal on the M1 TTI is equal to maximum transmitted
During number -1, the transmitting terminal empties HARQ buffer area data；When the number of transmissions of the transmitting terminal on the M2 TTI
When CURRENT_TX_NB is equal to maximum transmission times -1, HARQ buffer area data are preserved.
Preferably, described M1 TTI of first part and M2 TTI of the second part can be assigned identical or different
Resource block.
Preferably, the TTI_BUNDLE_SIZE_mode2 is more than TTI_BUNDLE_SIZE_mode1.
Preferably, the method further includes：In the transmitting terminal detection subframe n uplink of PDCCH assign information and/or
The PHICH channel transmission informations of subframe n-k；The transmitting terminal determines the transmitting terminal in subframe n+4 according to testing result
Scheduling information.
Preferably, when the TTI bundling enable be identified as 1 and the TTI bundling pattern identifications position be 0
When, the value of the parameter k is 5；1 and the TTI bundling pattern identifications are identified as when the TTI bundling are enabled
When position is 1, the value of the parameter k is 1.
Preferably, the TTI Bundling transmission modes can indicate at least one following：TTI bundling are bound
Length；RTT；Redundancy versions pattern.
Other side according to embodiments of the present invention provides another data transmission method, including：It is using
Under TTI Bundling transmitting scenes, receiving terminal determines transmission time interval bonding TTI Bundling transmission modes；Receiving terminal
Determining TTI Bundling transmission modes are notified into transmitting terminal, wherein, the transmitting terminal is according to the determining TTI
Bundling transmission modes carry out data transmission.
One side according to embodiments of the present invention provides a kind of data transmission device, positioned at the transmission of data transmission
End, including：First determining module, for determining TTI Bundling transmission modes used in data transmission；Coding module is used
It is encoded in the data to transmission, generates coding redundancy version；Sending module, for being transmitted according to the TTI Bundling
Pattern sends the coding redundancy version.
One side according to embodiments of the present invention provides another data transmission device, positioned at data transmission
Receiving terminal, including：Second determining module, under using TTI Bundling transmitting scenes, determining that TTI Bundling are passed
Defeated pattern；Notification module, for the TTI determined Bundling transmission modes to be notified transmitting terminal, wherein, the transmitting terminal
Carried out data transmission according to the determining TTI Bundling transmission modes.
In embodiments of the present invention, transmitting terminal determines TTI Bundling transmission modes used in data transmission first,
Then the coding redundancy version generated after coding is sent according to determining TTI Bundling transmission modes.That is, of the invention real
It applies in example, transmitting terminal can determine that this data is passed according to actual transmissions environment (such as residing geographical location and channel circumstance)
Defeated TTI Bundling transmission modes, and it is not the number of fixed TTI binding subframe so that TTI Bundling transmit mould
Formula can be directed to different user and select different patterns, the flexible binding transmission of multiple TTI be realized, in subsequent data transmission
The performance being optimal is solved the problems, such as to cause PUSCH coverings limited since the transmission power of UE is limited, reached with as possible
The effect of the covering performance of edge customer is improved under high spectrum efficiency.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is TTI bundling HARQ time diagrams under the FDD according to the relevant technologies；
Fig. 2 is the flow chart of the first data transmission method according to embodiments of the present invention；
Fig. 3 is the flow chart of second of data transmission method according to embodiments of the present invention；
Fig. 4 is the structure diagram of the first data transmission device according to embodiments of the present invention；
Fig. 5 is the structure diagram of second of data transmission device according to embodiments of the present invention；
Fig. 6 is HARQ time diagrams during TTI BUNDLING patterns 2 under FDD according to embodiments of the present invention one；
Fig. 7 is the flow chart of data transmission method according to embodiments of the present invention two；
Fig. 8 is HARQ time diagrams during TTI BUNDLING patterns 2 under FDD according to embodiments of the present invention three.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be combined with each other.
It is mentioned in the relevant technologies, in view of the difference in the geographical location and channel circumstance residing for different user, TTI binding
All selection 4 or 8 is all difficult to the performance being optimal, therefore lead to PUSCH since the transmission power of UE is limited to the number of frame
Covering the problem of limited does not have better solution.
In order to solve the above technical problems, an embodiment of the present invention provides a kind of data transmission method, process flow such as Fig. 2
It is shown, including：
Step S202, transmitting terminal determines TTI Bundling transmission modes used in data transmission；
Step S204, transmitting terminal encodes the data of transmission, generates coding redundancy version；
Step S206, transmitting terminal sends coding redundancy version according to above-mentioned determining TTI Bundling patterns.
In embodiments of the present invention, transmitting terminal determines TTI Bundling transmission modes used in data transmission first,
Then the coding redundancy version generated after coding is sent according to determining TTI Bundling transmission modes.That is, of the invention real
It applies in example, transmitting terminal can determine that this data is passed according to actual transmissions environment (such as residing geographical location and channel circumstance)
Defeated TTI Bundling transmission modes, and it is not the number of fixed TTI binding subframe so that TTI Bundling transmit mould
Formula can be directed to different user and select different patterns, the flexible binding transmission of multiple TTI be realized, in subsequent data transmission
The performance being optimal is solved the problems, such as to cause PUSCH coverings limited since the transmission power of UE is limited, reached with as possible
The effect of the covering performance of edge customer is improved under high spectrum efficiency.
In embodiments of the present invention, flow as shown in Figure 2 refers to that transmitting terminal determines that data transmission is used in step S202
TTI Bundling transmission modes, a kind of preferred mode is：Transmitting terminal determines TTI according to the indication signaling received
Bundling transmission modes.During implementation, which can be sent by receiving terminal or by the third party in network
Equipment is sent, it is not limited to which a certain designated entities can determine TTI Bundling transmission modes.
To determine TTI Bundling transmission modes, indication signaling mentioned above needs to carry at least one following
Mark：
TTI bundling enable mark；
TTI bundling pattern identifications (TTI Bundling-mode).
Wherein, it is and the TTI for judging whether TTI bundling are activated that TTI bundling, which enable mark,
Which kind of TTI bundling pattern that bundling pattern identifications use for judgement.During implementation, TTI bundling enable mark
Know and TTI bundling pattern identifications are configured by high-level signaling.
When indication signaling includes TTI bundling pattern identifications, transmitting terminal determines to pass according to the indication signaling received
Defeated pattern can there are many situation, simply enumerate below it is several, such as：
When transmitting terminal does not receive TTI bundling pattern identifications, transmitting terminal acquiescence carries out TTI according to pattern 1
Bundling is transmitted；
When transmitting terminal receives TTI bundling pattern identifications as first flag value, transmitting terminal is carried out according to pattern 1
TTI bundling are transmitted；
When transmitting terminal receives TTI bundling pattern identifications as second identifier value, transmitting terminal is carried out according to pattern 2
TTI bundling are transmitted, wherein, first flag value is different from second identifier value.
First flag value and second identifier value herein is only used for showing that the two is different, specifically, the length of ident value can
To be a bit or two bits or even three bits or more, specific value is as the case may be
Depending on.For example, when TTI bundling are enabled and are identified as 1, TTI bundling pattern identifications just come into force, TTI bundling
Mode flags are identified as 0 expression according to pattern 1 to carry out TTI bundling transmission, and TTI bundling mode flags are identified as
1 represents to carry out TTI bundling transmission according to pattern 2.
During implementation, if transmitting terminal carries out TTI bundling transmission according to pattern 1, transmitting terminal is according to determining
TTI bundling transmission modes send coding redundancy version, and specific forwarding step is as follows：Transmitting terminal is according to pre-defined rule
Coding redundancy version is sent on TI_BUNDLE_SIZE_mode1 TTI of continuous T, wherein, TTI_BUNDLE_SIZE_mode1
Represent the TTI total number of progress TTI binding transmission in mode 1.
Under the premise of using pattern 1, after transmitting terminal sends coding redundancy version, in the subframe for carrying out bundle,
Transmitting terminal only receives hybrid automatic repeat-request (the Hybrid Automatic Repeat for coming from the last one binding subframe
Request, referred to as HARQ) feedback information, wherein, HARQ feedback information is receiving terminal in TTI_BUNDLE_SIZE_mode1
Ack/nack (ACK/NACK) information that the 4th TTI is sent behind the last one TTI of a TTI.
For any one preferred embodiment above when implementing, each TTI in same binding frame is same
HARQ process numbers are sent.
It is also mentioned above, if when transmitting terminal receives TTI bundling pattern identifications as second identifier value, transmitting terminal
TTI bundling transmission is carried out according to pattern 2.Existing slave pattern 2 illustrates.Transmitting terminal carries out TTI according to pattern 2
When bundling is transmitted, transmitting terminal sends coding redundancy version according to determining TTI bundling transmission modes, specific
Forwarding step is as follows：Transmitting terminal sends coding redundancy version according to pre-defined rule on TTI_BUNDLE_SIZE_mode2 TTI
This, wherein, TTI_BUNDLE_SIZE_mode2 represents the TTI total number in 2 times progress TTI binding transmission of pattern.
Whether it is first biography according to current transmission when transmitting terminal carries out TTI bundling transmission according to pattern 2, it is corresponding
Processing mode it is also not exactly the same, specifically,
When head is passed, transmitting terminal sends coding redundancy version according to pre-defined rule on TTI_BUNDLE_SIZE_mode2 TTI
This；
During re-transmission, transmitting terminal sends coding redundancy version according to pre-defined rule on TTI_BUNDLE_SIZE_mode1 TTI
This.
It can be seen that the first TTI number for passing and retransmitting is different, but since it is transmitted according to pattern 2, pass
Defeated rule is identical.Also, TTI_BUNDLE_SIZE_mode2 is more than TTI_BUNDLE_SIZE_mode1.
Under the premise of using pattern 2, when TTI_BUNDLE_SIZE_mode2 TTI consecutive hours, carrying out bundle's
In subframe, transmitting terminal only receives the HARQ feedback information from the last one binding subframe, wherein, feedback information exists for receiving terminal
The ACK/NACK information that the 4th TTI is sent behind the last one TTI of TTI_BUNDLE_SIZE_mode2 TTI.
It is continuously corresponding with TTI_BUNDLE_SIZE_mode2 TTI, as TTI_BUNDLE_SIZE_mode2 TTI
When discontinuous, in the subframe for carrying out bundle, transmitting terminal receives the last one binding in M1 TTI of first part respectively
The HARQ feedback information of subframe and the HARQ feedback information that the last one binds subframe in M2 TTI of second part,
In, TTI_BUNDLE_SIZE_mode2 TTI points are two parts, and first part includes M1 continuous TTI, second part packet
M2 continuous TTI are included, wherein, first of M1+M2=TTI_BUNDLE_SIZE_mode2, second part TTI in binding
TTI is located at n-th TTI behind the last one TTI of the first part TTI in binding.And HARQ feedback information is receiving terminal
The 4th TTI is sent behind the last one TTI of M1 TTI ACK/NACK information and last in M2 TTI
The ACK/NACK information that the 4th TTI is sent behind a TTI.
Further, in the data transmission procedure referred in the embodiment of the present invention, it is divided into two-part TTI and is retransmitting the time-division
It Cai Yong not operate as follows：
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, first part M1 is even
The HARQ of each TTI in continuous TTI withouts waiting for the HARQ feedback information of former frame and directly uses non-adaptive
Mode is transmitted again；
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, second part M2 is even
The HARQ of each TTI in continuous TTI withouts waiting for the HARQ feedback information of former frame and directly uses non-adaptive
Mode is transmitted again.
When the HARQ feedback information of the last one binding subframe in M1 TTI of first part is NACK, transmitting terminal
Non-adaptive re-transmission is carried out on M1 TTI, and maximum retransmission is maxHARQ.When transmission of the transmitting terminal on M1 TTI
When number (CURRENT_TX_NB) is equal to maximum transmission times -1, transmitting terminal empties HARQ buffer area data.
It is corresponding with M1 TTI of first part, when the feedback of the last one binding subframe in M2 TTI of second part
When information is NACK, transmitting terminal carries out non-adaptive re-transmission in M2 TTI, and maximum retransmission is maxHARQ-1.Work as transmission
End preserves HARQ buffer area numbers when the number of transmissions (CURRENT_TX_NB) on M2 TTI is equal to maximum transmission times -1
According to.
Now the two-part TTI that is divided into of pattern 2 is illustrated with a preferred embodiment.Wherein, each parameter
Preferred value it is as follows：TTI_BUNDLE_SIZE_mode2=8；M1=4；M2=4；N=5.
In any one above-mentioned preferred embodiment, M2 TTI of M1 TTI of first part and second part can be assigned
Identical or different resource block.
During implementation, the uplink that transmitting terminal can also detect PDCCH in subframe n assigns information and/or the PHICH letters of subframe n-k
Road transmits information, and determines scheduling information of the transmitting terminal in subframe n+4 according to testing result.
Different according to the value of each parameter in instruction information, the value of k is also corresponding different.Preferably, work as TTI
Bundling is enabled and is identified as 1 and TTI bundling pattern identifications position when being 0, and the value of parameter k is 5；Work as TTI
Bundling is enabled and is identified as 1 and TTI bundling pattern identifications position when being 1, and the value of parameter k is 1.Certainly, herein only
It is two preferred embodiments, if parameter value is other numerical value in instruction information, the value of k may also be not limited to 1 or 5,
It is possible that selection 2,3,4 is until other numerical value such as n.
During implementation, TTI Bundling transmission modes can indicate at least one following：TTI bundling bind length；
Two-way time (Round Trip Time, referred to as RTT)；Redundancy versions (pattern).
Specific various combinations can include：During pattern 1, TTI binding length is 4, RTT 16, and redundancy versions number is 4；
During pattern 2, each possible value of parameter is as shown in Table 1：
Table one
| TTI bundling bind length； | 4；5；8；10 |
| RTT | 8；12；16；20 |
| Redundancy versions pattern | 4；5；8 |
In every preferred embodiment above only in mode 1 and pattern 2 for illustrate, be only used for illustrating each pattern
Usage, when it is implemented, can also include pattern 3, pattern 4 and more patterns, specific pattern is according to residing for user
Network environment determine.
Based on same inventive concept, the embodiment of the present invention additionally provides another data transmission method, from receiving terminal one
Side is illustrated, process chart as shown in figure 3, including：
Step S302, under using TTI Bundling transmitting scenes, receiving terminal determines TTI Bundling transmission modes；
Step S304, determining TTI Bundling transmission modes are notified transmitting terminal by receiving terminal, wherein, transmitting terminal root
Carry out data transmission according to determining TTI Bundling transmission modes.
To support above-mentioned data transmission method, based on same inventive concept, the embodiment of the present invention also provides a kind of data and passes
Defeated device, positioned at the transmitting terminal of data transmission, structure diagram as shown in figure 4, including：
First determining module 401, for determining TTI Bundling transmission modes used in data transmission；
Coding module 402 connect with the first determining module 401, is encoded for the data to transmission, and generation coding is superfluous
Remaining version；
Sending module 403 is connect with coding module 402, for sending coding redundancy version according to TTI Bundling patterns
This.
To support above-mentioned data transmission method, based on same inventive concept, the embodiment of the present invention also provides another number
According to transmitting device, structure diagram as shown in figure 5, positioned at data transmission receiving terminal, including：
Second determining module 501, under using TTI Bundling transmitting scenes, determining that TTI Bundling are transmitted
Pattern；
Notification module 502 is connect with the second determining module 501, for the TTI determined Bundling transmission modes to be led to
Know transmitting terminal, wherein, transmitting terminal carries out data transmission according to determining TTI Bundling transmission modes.
It is clearer for method provided in an embodiment of the present invention is become apparent from illustrating, now it is said with specific embodiment
It is bright.
Embodiment one
According to an aspect of the invention, there is provided a kind of data transmission method, including：Transmitting terminal is according to the finger received
Show that signaling determines transmission mode, when binding transmission is enabled, TTI binding is further determined according to the instruction of binding pattern signaling
The size of number (TTI_BUNDLE_SIZE), transmitting terminal encode data to be sent, generate predetermined number coding redundancy
Version, sent in predetermined number redundancy versions on each TTI of TTI_BUNDLE_SIZE TTI one of transmitting terminal are superfluous
Remaining version.
Wherein, transmitting terminal encodes data to be sent according to instruction, instruction include two kinds, one kind is TTI
Bundling enables mark, is configured, is indicated with 1 bit, another is TTI bundling pattern identifications by high level
(also referred to as parameter) (TTI Bundling-mode), is configured by high level, is indicated with 1 bit.As TTI bundling
It is enabled that TTI bundling pattern identifications just come into force when being identified as 1, TTI bundling mode flags be identified as 0 expression according to
Pattern 1 carries out TTI bundling transmission, and TTI bundling mode flags are identified as 1 expression according to pattern 2 to carry out TTI
Bundling is transmitted, and is illustrated referring to table two：
Table two:
Parameter TTI Bundling-mode are provided by high level, and the pattern for determining TTI Bundling is pattern 1 or pattern
2(The parameter TTI Bundling-mode provided by higher layers determines if TTI
Bundling is“mode 1”or“mode 2”)。
When transmitting terminal does not receive TTI bundling mode flags flags, then acquiescence is performed according to pattern 1.
When transmitting terminal is judged according to pattern 1 according to the instruction information received come when carrying out TTI bundling, then according to
In the following manner is transmitted：
Transmitting terminal encodes data to be sent, generates predetermined number redundancy versions, and transmitting terminal is pre- according to first
Set pattern then sends one in predetermined number redundancy versions on each TTI of TI_BUNDLE_SIZE_mode1 TTI of continuous T
A redundancy versions.Wherein, parameter TTI_BUNDLE_SIZE_mode1 is configured by high-level signaling.
Parameter TTI_BUNDLE_SIZE_mode1 provides the TTI total number for carrying out TTI binding transmission in mode 1,
Also, each TTI in same binding frame is sent in same HARQ process numbers.
In the subframe for carrying out bundle, transmitting terminal only receives the feedback information of the last one binding subframe.Specifically, it connects
Receiving end the 4th TTI behind the last one TTI of TTI_BUNDLE_SIZE_mode1 TTI sends ACK/NACK information.
When transmitting terminal is judged according to pattern 2 according to the instruction information received come when carrying out TTI bundling, then according to
In the following manner is transmitted：
Transmitting terminal encodes data to be sent, generates predetermined number redundancy versions, and transmitting terminal is pre- according to first
One then sent in predetermined number redundancy versions on each TTI of TTI_BUNDLE_SIZE_mode2 TTI that establishes rules is superfluous
Remaining version.Parameter TTI_BUNDLE_SIZE_mode2 is configured by high-level signaling, and parameter TTI_BUNDLE_SIZE_mode2 is big
In parameter TTI_BUNDLE_SIZE_mode1.
Parameter TTI_BUNDLE_SIZE_mode2 provides the TTI total number in 2 times progress TTI binding transmission of pattern,
Also, each TTI in same binding frame is sent in same HARQ process numbers.
When TTI bundling enable be identified as 1 and TTI bundling mode flags flag for 0 when, transmitting terminal detection
The uplink of PDCCH assigns information in subframe n and/or the PHICH channel transmission informations of subframe n-5 determine transmitting terminal in subframe n+4
In (first binding subframe) scheduling information, it is shown in Figure 1.
When TTI bundling are enabled to be identified as 1 and TTI bundling pattern identifications position be 0 when, TTI under FDD
Bundling HARQ sequential is consistent with presently relevant technology.
When TTI bundling enable be identified as 1 and TTI bundling pattern identifications position for 1 when, transmitting terminal detection subframe
The uplink of PDCCH assigns information in n and/or the PHICH channel transmission informations of subframe n-1 determine transmitting terminal in subframe n+4
The scheduling information of (first binding subframe).As shown in Figure 6.
When transmitting terminal is under pattern 2, following two transmission modes can be included:
The first, TTI_BUNDLE_SIZE_mode2 TTI be continuous.
Receiving terminal the 4th TTI behind the last one TTI of TTI_BUNDLE_SIZE_mode1 TTI sends ACK/
Nack message.
In the subframe for carrying out bundle, the HARQ of transmitting terminal only receives the feedback information of the last one binding subframe.
Transmitting terminal is after the nack message of HARQ feedback is received, if not reaching the maximum retransmission of upper-layer configured,
Data re-transmission is then carried out by the way of adaptive/non-adaptive, including：Again uplink assign information in for transmitting terminal again
Distribute resource block.
Wherein, for VoIP data packet business, as TTI_BUNDLE_SIZE_mode2=10, using non-adaptive
The mode answered carries out data re-transmission；And when TTI_BUNDLE_SIZE_mode2 not=10 when, into line number by the way of adaptive
According to re-transmission.But the retransmission scheme is only limitted to VoIP data packet business.
Secondth, TTI_BUNDLE_SIZE_mode2 TTI is discontinuous.
TTI_BUNDLE_SIZE_mode2 TTI points are two parts, and first part includes M1 continuous TTI, second
Divide and include M2 continuous TTI, wherein M1+M2=TTI_BUNDLE_SIZE_mode2, typical value:TTI_BUNDLE_
SIZE_mode2=8, M1=4, M2=4；First TTI of second part TTI in binding is located at the first part in binding
N-th TTI, representative value N=5 behind the last one TTI of TTI.
Note that this two parts TTI can distribute different resource blocks, identical resource block can also be distributed, as N=1 and
It is when distributing identical resource block, then identical with first way.
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, first part M1 is even
The HARQ of each TTI in continuous TTI withouts waiting for the feedback information of former frame and directly by the way of non-adaptive
Again it is transmitted.
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, second part M2 is even
The HARQ of each TTI in continuous TTI withouts waiting for the feedback information of former frame and directly by the way of non-adaptive
Again it is transmitted.
In the subframe for carrying out bundle, transmitting terminal receives the last one binding subframe in M1 TTI of first part respectively
M2 TTI of feedback information and second part in the last one binding subframe feedback information.
When the feedback information of the last one binding subframe in M1 TTI of first part is NACK, then this M1 TTI is carried out
Non-adaptive re-transmission, and the maximum times retransmitted are maxHARQ, parameter maxHARQ-Tx is configured by high level；Work as the number of transmissions
When CURRENT_TX_NB is equal to maximum transmission times -1, then HARQ buffer area data are emptied.
When the feedback information information of the last one binding subframe in M2 TTI of second part is NACK, then this M2 TTI
Non-adaptive re-transmission is carried out, and the maximum times retransmitted are maxHARQ-1；When the number of transmissions is equal to maximum transmission times -1,
Buffer area data will not be emptied.
According to another aspect of the present invention, a kind of HARQ entities are provided, including:HARQ entities possess a large amount of parallel transmissions
HARQ process numbers, each process number corresponds to one piece of buffer zone, assigns information according to the resource received and/or HARQ is anti-
Feedforward information carries out data transmission, updates/remains stored in different ways under different TTI bundling patterns and is slow
Deposit the information in region.
When TTI bundling are enabled, parameter TTI_BUNDLE_SIZE_mode1 and TTI_BUNDLE_SIZE_
Mode2 each provides the TTI number in the 2 times progress TTI binding transmission of pattern 1 and pattern, in same bundle
Each TTI uses identical HARQ process numbers.
When TTI bundling are enabled, in the HARQ for carrying out binding transmission is retransmitted, according to TTI_BUNDLE_SIZE_
The instruction of mode1/TTI_BUNDLE_SIZE_mode2 withouts waiting for the feedback information of former frame directly using non-adaptive
Mode transmitted again.
When transmitting terminal carries out TTI bundling transmission according to the instruction information received, binding last is only received
The HARQ feedback information of a TTI；When the feedback information received is NACK, adaptive/non-adaptive re-transmission is carried out.Wherein,
Non-adaptive re-transmission includes：Transmitting terminal retransmits the frequency resource identical with first biography distribution.And adaptive retransmission includes：Existed by base station
Downlink in PDCCH is assigned in channel information redistributes scheduling frequency resource to transmitting terminal.
Through the embodiment of the present invention, M TTI is carried out according to the instruction information received by binding transmission using transmitting terminal,
The size of M takes different values according to the difference of instruction information.The flexible binding transmission of multiple TTI is realized, solves related skill
The problem of system covering performance can not be taken into account with spectrum efficiency in art has reached and has been used with improving edge under spectrum efficiency high as possible
The effect of the covering performance at family.
Embodiment two
A kind of data transmission method is present embodiments provided, Fig. 7 is data transmission method according to embodiments of the present invention
Flow chart, as shown in fig. 7, this method includes.
Step S702：Transmitting terminal receives transmission mode instruction, determines the size of TTI_BUNDLE_SIZE；
Step S704：Transmitting terminal determines TTI bundling transmission modes；
When TTI bundling, which are enabled, is identified as 0, not enabled TTI bundling, it is believed that TTI_BUNDLE_
SIZE is 1, when TTI bundling, which are enabled, is identified as 1, further determines that TTI bundling pattern identifications position；
Step S706：When TTI bundling pattern identifications position is 0, it is transmitted according to binding pattern 1, TTI_
BUNDLE_SIZE is 4；
Step S708：When TTI bundling pattern identifications position is 1, transmitted according to binding pattern 2, TTI_
BUNDLE_SIZE is 8；
Step S710：Data to be transmitted are carried out coding generation predetermined number redundancy versions by transmitting terminal.
When TTI bundling enable be identified as 1 and TTI bundling pattern identifications position for 0 when, transmitting terminal detection subframe
The uplink of PDCCH assigns information in n-4 and/or the PHICH channel transmission informations of subframe n-5 determine transmitting terminal in subframe n
The scheduling information of (first binding subframe).
When TTI bundling enable be identified as 1 and TTI bundling pattern identifications position for 1 when, transmitting terminal detection subframe
The uplink of PDCCH assigns information in n, determine transmitting terminal in subframe n+4 (first binding subframe) scheduling information.
When TTI bundling enable be identified as 1 and TTI bundling pattern identifications position for 1 when, receiving terminal is same
HARQ processes are decoded after continuously receiving 8 binding subframes, if decoding error, NACK are fed back, if the hair of transmitting terminal
Number is sent not reach maximum number of retransmissions, then receiving terminal is the re-transmission allocation schedule resource of transmitting terminal, i.e. transmitting terminal uses
Adaptive retransmission.
Transmitting terminal assigns information according to the uplink checked, determines that the scheduling of distribution assigns information, subframe is bound first
Upper transmission data, transmitting terminal is after the scheduling for determining first binding subframe assigns information, TTI_BUNDLE_SIZE-1 then
A binding subframe directly carries out non-adaptive re-transmission without waiting for feeding back；Wherein, transmitting terminal, which only receives, comes from the last one
The feedback information of subframe is bound, the feedback information of other binding subframes does not receive processing.
Embodiment three
A kind of data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：Work as TTI
Bundling is enabled and is identified as 1 and TTI bundling pattern identifications position when being 1, the uplink of PDCCH in transmitting terminal detection subframe n
The PHICH channel transmission informations for assigning information and/or subframe n-3 determine transmitting terminal (first binding subframe) in subframe n+4
Scheduling information.
Fig. 8 is according to HARQ sequential during TTI BUNDLING patterns 2 under FDD in embodiment；
It is mainly used under the binding pattern under VoIP business models, 1, TTI is identified as when TTI bundling are enabled
BUNDSIZE sizes are 10, and in binding frame, terminal takes non-adaptive mode continuously to retransmit 10 times (including transmitting for the first time),
It is retransmitted 10 times when n-3 frames receive NACK feedback signalings, starting to continue binding at the n-th+4 times.
If receiving scheduling in n-th of subframe assigns information, it is subject to the instruction of n-th of subframe.
The sequence of coding redundancy version is by high-rise configuration or the sequential loop according to redundant version number 0,2,3,1.Wherein
RV0, RV1 ... RV9 are the index of redundancy version sequence.By taking 0,2,3,1 sequence as an example, what 10 TTI of binding were transmitted successively
Redundant version number is：0,2,3,1,0,2,3,1,0,2, the redundancy versions call number RVx that each TTI is sent and coding redundancy version
Number correspondence schematic diagram refer to table three：
Table three
Example IV
A kind of data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：Work as TTI
Bundling is enabled and is identified as 1 and TTI bundling pattern identifications position when being 1, and TTI_BUNDLE_SIZE_mode2 TTI divides
For two parts, first part includes 4 continuous TTI, and second part includes 4 continuous TTI, TTI_BUNDLE_SIZE_
Mode2=8；First TTI of second part TTI in binding is located at the last one TTI's of the first part TTI in binding
5th TTI next.Two parts TTI transmits the different redundancy version informations that identical data packet generates, and uses identical HARQ
Process number is transmitted.
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2,4 companies of first part
The HARQ of each TTI in continuous TTI withouts waiting for the feedback information of former frame and directly by the way of non-adaptive
Again it is transmitted.
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2,4 companies of second part
The HARQ of each TTI in continuous TTI withouts waiting for the feedback information of former frame and directly by the way of non-adaptive
Again it is transmitted.
In the subframe for carrying out bundle, transmitting terminal receives the last one binding subframe in 4 TTI of first part respectively
The feedback information of the last one binding subframe in 4 TTI of feedback information and second part.
When the feedback information of the last one binding subframe in 4 TTI of first part is NACK, then this 4 TTI are carried out non-
Adaptive retransmission, and the maximum times retransmitted are maxHARQ, parameter maxHARQ-Tx is configured by high level；Work as the number of transmissions
When CURRENT_TX_NB is equal to maximum transmission times -1, then HARQ buffer area data are emptied.
When in 4 TTI of second part the last one binding subframe feedback information information be NACK when, then this 4 TTI into
The non-adaptive re-transmission of row, and the maximum times retransmitted are maxHARQ-1；When the number of transmissions is equal to maximum transmission times -1, no
Buffer area data can be emptied.
Receiving terminal is equal in the last one subframe for receiving first part and/or the last one subframe for receiving second part
It is decoded processing, and feeding back ACK/NACK values.
Embodiment five
A kind of adaptive data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：
In embodiment one, TTI bundling pattern identifications position is configured by upper unit, in the present embodiment, TTI bundling pattern marks
Know position to be determined according to feedback information is adaptive by receiving terminal, when TTI bundling pattern identifications position is 0, transmitting terminal first
It is secondary sent 4 binding sub-frame datas after, if correspondence receives NACK feedback informations, which sends next new number
It when according to packet, is then transmitted according to TTI bundling pattern identifications positions for 1, i.e. the binding of new data packets transmission next time
8 subframes.Conversely, when TTI bundling pattern identifications position is 1, transmitting terminal has sent 8 binding sub-frame datas for the first time
Afterwards, ACK feedback information is received, then when the transmitting terminal sends next new data packets, then according to TTI bundling moulds
Formula flag is transmitted for 0, i.e. 4 subframes of binding of new data packets transmission next time, and then binding pattern is not in the case of other
Become.
Embodiment six
Present embodiments provide a kind of system adaptive recognition method, the present embodiment and example IV difference lies in：It is real
It applies in example four, transmitting terminal receives after having sent TTI BUND SIZE binding sub-frame datas for the first time according to a upper data packet
To feedback information to be ACK or NACK determine TTI the BUND SIZE, i.e. TTI of next new data packets transmission
Bundling patterns are 0 or 1；In the present embodiment, transmitting terminal is also to judge TTI bundling by adaptive method
Pattern, but the criterion judged is differed with example IV, transmitting terminal counts one section according to the ACK/NACK information fed back every time
Packet Error Ratio in time, when rate of false alarm be more than predefined threshold value when, then be using TTI bundling patterns in the next period
1, then the use of TTI bundling patterns is 0 in the next period when rate of false alarm is less than predefined threshold value.
Embodiment seven
A kind of data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：In embodiment
In one, TTI bundling pattern identifications position represents use pattern 1 for 0, and TTI bundling pattern identifications position represents to use for 1
Pattern 2, and in the present embodiment, TTI bundling pattern identifications position represents use pattern 1, TTI bundling patterns for 1
Flag represents use pattern 2 for 0, is shown in Table four：
Table four
Embodiment eight
A kind of data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：Embodiment one
It is used when being 1 using non-adaptive re-transmission, TTI bundling pattern identifications position when middle TTI bundling pattern identifications position is 0
Adaptive retransmission, in the present embodiment, TTI bundling pattern identifications position be 0 or 1, by the way of non-adaptive into
Row retransmits.
Embodiment nine
A kind of data transmission method is present embodiments provided, the difference between this embodiment and the first embodiment lies in：Embodiment one
It is used when being 1 using non-adaptive re-transmission, TTI bundling pattern identifications position when middle TTI bundling pattern identifications position is 0
Adaptive retransmission, in the present embodiment, TTI bundling pattern identifications position are 0 or 1, are carried out by the way of adaptive
It retransmits.
When being retransmitted upon receiving the nacks, the resource point in the TTI bundling SIZE TTI continuously transmitted
With the transmission control that transmission block TB is indicated in the n-4PDCCH or PDSCH by corresponding first uplink TTI (such as TTI n)
Information processed, such as the information such as resource location and quantity.
Preferably, the receiving terminal in above-described embodiment can be the equipment such as base station, Home eNodeB, relay station or
Communication terminal, laptop, handheld computer etc..Similarly, receiving terminal is used to receive the data-signal of transmitting terminal, and receiving terminal can
To be the control devices such as the terminal devices such as mobile phone, laptop, handheld computer or base station, relay station.
Preferably, the transmitting terminal in above-described embodiment can be the terminal devices such as mobile phone, laptop, handheld computer,
Can also be the control devices such as base station, relay station.Similarly, receiving terminal is used to receive the data-signal of transmitting terminal, and receiving terminal can
To be the equipment such as base station, Home eNodeB, relay station or communication terminal, laptop, handheld computer etc..
By above-described embodiment, a kind of data transmission method and device are provided, using transmitting terminal according to the finger received
Show information, M TTI is subjected to binding transmission, the size of M takes different values according to the difference of instruction information.Realize multiple TTI
Flexible binding transmission, solve the problems, such as that system covering performance can not be taken into account with spectrum efficiency in the relevant technologies, reached with
The effect of the covering performance of edge customer is improved under spectrum efficiency high as possible.
In embodiments of the present invention, transmitting terminal determines TTI Bundling transmission modes used in data transmission first,
Then the coding redundancy version generated after coding is sent according to determining TTI Bundling transmission modes.That is, of the invention real
It applies in example, transmitting terminal can determine that this data is passed according to actual transmissions environment (such as residing geographical location and channel circumstance)
Defeated TTI Bundling transmission modes, and it is not the number of fixed TTI binding subframe so that TTI Bundling transmit mould
Formula can be directed to different user and select different patterns, the flexible binding transmission of multiple TTI be realized, in subsequent data transmission
The performance being optimal is solved the problems, such as to cause PUSCH coverings limited since the transmission power of UE is limited, reached with as possible
The effect of the covering performance of edge customer is improved under high spectrum efficiency.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Computing device realize that they can concentrate on single computing device or be distributed in multiple computing devices and be formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed in the storage device by computing device, and in some cases, it can be to be different from shown in sequence herein performs
The step of going out or describing they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.It to be combined in this way, the present invention is not limited to any specific hardware and softwares.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (20)
1. a kind of data transmission method, which is characterized in that including：
Transmitting terminal determines transmission time interval bonding TTI Bundling transmission modes used in data transmission；
The transmitting terminal encodes the data of transmission, generates coding redundancy version；
The transmitting terminal sends the coding redundancy version according to the TTI Bundling transmission modes；
Wherein, the transmitting terminal determines that TTI Bundling transmission modes include used in data transmission：The transmitting terminal root
The TTI Bundling transmission modes are determined according to the indication signaling received；The indication signaling carry it is following at least it
One：TTI bundling enable mark；TTI bundling pattern identification TTI Bundling-mode.
2. according to the method described in claim 1, it is characterized in that, the transmitting terminal determines institute according to the indication signaling received
Transmission mode is stated, including：
When the transmitting terminal does not receive TTI bundling pattern identifications, the transmitting terminal acquiescence carries out TTI according to pattern 1
Bundling is transmitted；
When the transmitting terminal receives TTI bundling pattern identifications as first flag value, the transmitting terminal is according to pattern 1
Carry out TTI bundling transmission；
When the transmitting terminal receives TTI bundling pattern identifications as second identifier value, the transmitting terminal is according to pattern 2
TTI bundling transmission is carried out, wherein, the first flag value is different from the second identifier value；
Wherein, the pattern 1 is determined by least one value of following information：TTI bundling binding length, it is round-trip when
Between, redundancy versions, wherein, the value of TTI Bundling binding length is 4；The value of the two-way time is 16；Institute
The value for stating redundancy versions is 4；
The pattern 2 is determined by least one value of following information：It is TTI bundling bindings length, two-way time, superfluous
Remaining version；Wherein, the value of the TTI Bundling bindings length includes：4、5、8、10；The value packet of the two-way time
It includes：8、12、16、20；The value of the redundancy versions includes：4、5、8；It is TTI bundling binding length, described round-trip
The value of time and the redundancy versions is other values in addition to the value of the pattern 1.
3. according to the method described in claim 2, it is characterized in that, the transmitting terminal carries out TTI bundling according to pattern 1
During transmission, the transmitting terminal sends the coding redundancy version according to the TTI Bundling transmission modes, including：
The transmitting terminal sends the coding redundancy according to pre-defined rule on TI_BUNDLE_SIZE_mode1 TTI of continuous T
Version, wherein, TTI_BUNDLE_SIZE_mode1 represents to carry out the TTI total number of TTI binding transmission in mode 1.
4. according to the method described in claim 3, it is characterized in that, the transmitting terminal send the coding redundancy version it
Afterwards, it further includes：
In the subframe for carrying out bundle, the transmitting terminal only receives the mixed automatic retransfer for coming from the last one binding subframe
Ask HARQ feedback information；
Wherein, the HARQ feedback information is the last one TTI of the receiving terminal in TTI_BUNDLE_SIZE_mode1 TTI
The ack/nack ACK/NACK information that 4th TTI next is sent.
5. according to the method described in claim 4, it is characterized in that, each TTI in same binding frame is same
HARQ process numbers are sent.
6. according to the method described in claim 2, it is characterized in that, the transmitting terminal carries out TTI bundling according to pattern 2
During transmission, the transmitting terminal sends the coding redundancy version according to the TTI Bundling transmission modes, including：
The transmitting terminal sends the coding redundancy version according to pre-defined rule on TTI_BUNDLE_SIZE_mode2 TTI,
Wherein, TTI_BUNDLE_SIZE_mode2 represents the TTI total number in 2 times progress TTI binding transmission of pattern.
7. according to the method described in claim 2, it is characterized in that, the transmitting terminal carries out TTI bundling according to pattern 2
During transmission, the transmitting terminal sends the coding redundancy version according to the TTI Bundling transmission modes, including：
When head is passed, the transmitting terminal sent on TTI_BUNDLE_SIZE_mode2 TTI according to pre-defined rule it is described encode it is superfluous
Remaining version；
During re-transmission, it is superfluous that the transmitting terminal sends on TTI_BUNDLE_SIZE_mode1 TTI the coding according to pre-defined rule
Remaining version.
8. according to the method described in claim 6, it is characterized in that, when TTI_BUNDLE_SIZE_mode2 TTI consecutive hours,
In the subframe for carrying out bundle, the transmitting terminal only receives the HARQ feedback information from the last one binding subframe；
Wherein, the feedback information is receiving terminal behind the last one TTI of TTI_BUNDLE_SIZE_mode2 TTI
The ACK/NACK information that 4th TTI is sent.
9. according to the method described in claim 6, it is characterized in that, when TTI_BUNDLE_SIZE_mode2 TTI is discontinuous
When,
In the subframe for carrying out bundle, the transmitting terminal receives the last one binding in M1 TTI of first part respectively
The HARQ feedback information of subframe and the HARQ feedback information that the last one binds subframe in M2 TTI of second part；
Wherein, the TTI_BUNDLE_SIZE_mode2 TTI points are two parts, and first part includes M1 continuous TTI,
Second part includes M2 continuous TTI, wherein, M1+M2=TTI_BUNDLE_SIZE_mode2, the second part in binding
First TTI of TTI is located at n-th TTI behind the last one TTI of the first part TTI in binding；
The HARQ feedback information is the receiving terminal ACK/ that the 4th TTI is sent behind the last one TTI of M1 TTI
Nack message and the ACK/NACK information that the 4th TTI is sent behind the last one TTI of M2 TTI.
10. according to the method described in claim 9, it is characterized in that,
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, first part M1 is even
The HARQ of each TTI in continuous TTI withouts waiting for the HARQ feedback information of former frame and directly uses non-adaptive
Mode is transmitted again；
In the HARQ for carrying out binding transmission, according to the instruction of TTI_BUNDLE_SIZE_mode2, second part M2 is even
The HARQ of each TTI in continuous TTI withouts waiting for the HARQ feedback information of former frame and directly uses non-adaptive
Mode is transmitted again.
11. according to the method described in claim 9, it is characterized in that,
When the HARQ feedback information of the last one binding subframe in described M1 TTI of first part is NACK, the hair
Sending end carries out non-adaptive re-transmission on the M1 TTI, and maximum retransmission is maxHARQ；
When the feedback information of the last one binding subframe in described M2 TTI of second part is NACK, the transmitting terminal
Non-adaptive re-transmission is carried out, and maximum retransmission is maxHARQ-1 in the M2 TTI.
12. according to the method for claim 11, which is characterized in that
When the transmitting terminal the number of transmissions CURRENT_TX_NB on the M1 TTI be equal to maximum transmission times -1 when, institute
It states transmitting terminal and empties HARQ buffer area data；
When the transmitting terminal the number of transmissions CURRENT_TX_NB on the M2 TTI be equal to maximum transmission times -1 when, protect
Deposit HARQ buffer area data.
13. according to claim 9 to 12 any one of them method, which is characterized in that described M1 TTI of first part and described
M2 TTI of second part can be assigned identical or different resource block.
14. according to claim 9 to 12 any one of them method, which is characterized in that the TTI_BUNDLE_SIZE_mode2
More than TTI_BUNDLE_SIZE_mode1.
15. according to claim 1 to 12 any one of them method, which is characterized in that the method further includes：
The uplink of PDCCH assigns information and/or the PHICH channel transmission informations of subframe n-k in the transmitting terminal detection subframe n；
The transmitting terminal determines scheduling information of the transmitting terminal in subframe n+4 according to testing result.
16. according to the method for claim 15, which is characterized in that
When the TTI bundling enable be identified as 1 and the TTI bundling pattern identifications position be 0 when, the parameter k
Value be 5；
When the TTI bundling enable be identified as 1 and the TTI bundling pattern identifications position be 1 when, the parameter k
Value be 1.
17. according to the method described in claim 1, it is characterized in that, the TTI Bundling transmission modes can indicate down
At least one row：
TTI bundling bind length；
RTT；
Redundancy versions pattern.
18. a kind of data transmission method, which is characterized in that including：
Under using TTI Bundling transmitting scenes, receiving terminal determines that transmission time interval bonding TTI Bundling transmit mould
Formula；
Determining TTI Bundling transmission modes are notified transmitting terminal by receiving terminal, wherein, the transmitting terminal is according to described true
Fixed TTI Bundling transmission modes carry out data transmission；
Wherein, the method further includes：The receiving terminal sends indication signaling, wherein, the indication signaling is described for determining
TTI Bundling transmission modes；The indication signaling carries at least one following：TTI bundling enable mark；TTI
Bundling pattern identification TTI Bundling-mode.
19. a kind of data transmission device, which is characterized in that positioned at the transmitting terminal of data transmission, including：
First determining module, for determining TTI Bundling transmission modes used in data transmission；
Coding module encodes for the data to transmission, generates coding redundancy version；
Sending module, for sending the coding redundancy version according to the TTI Bundling transmission modes；
Wherein, first determining module is additionally operable to determine the TTI Bundling transmission according to the indication signaling received
Pattern；The indication signaling carries at least one following：TTI bundling enable mark；TTI bundling pattern identifications
TTI Bundling-mode。
20. a kind of data transmission device, which is characterized in that positioned at the receiving terminal of data transmission, including：
Second determining module, under using TTI Bundling transmitting scenes, determining TTI Bundling transmission modes；
Notification module, for the TTI determined Bundling transmission modes to be notified transmitting terminal, wherein, the transmitting terminal according to
The determining TTI Bundling transmission modes carry out data transmission；
Wherein, described device is additionally operable to send indication signaling, wherein, the indication signaling is used to determine the TTI Bundling
Transmission mode；The indication signaling carries at least one following：TTI bundling enable mark；TTI bundling patterns
Identify TTI Bundling-mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162299.1A CN103427942B (en) | 2012-05-23 | 2012-05-23 | Data transmission method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162299.1A CN103427942B (en) | 2012-05-23 | 2012-05-23 | Data transmission method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103427942A CN103427942A (en) | 2013-12-04 |
| CN103427942B true CN103427942B (en) | 2018-06-08 |
Family
ID=49652172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210162299.1A Active CN103427942B (en) | 2012-05-23 | 2012-05-23 | Data transmission method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103427942B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015139322A1 (en) * | 2014-03-21 | 2015-09-24 | 华为技术有限公司 | Base station, user equipment, and control channel transmission and receiving method |
| CN106160931A (en) | 2015-04-09 | 2016-11-23 | 电信科学技术研究院 | A kind of method and device of information transmission |
| CN107231658B (en) | 2016-03-23 | 2022-02-25 | 中兴通讯股份有限公司 | Method and device for transmitting information |
| WO2017162194A1 (en) * | 2016-03-23 | 2017-09-28 | 中兴通讯股份有限公司 | Method and device for transmitting information, and storage medium |
| CN108702685B (en) * | 2016-03-31 | 2020-10-09 | 华为技术有限公司 | Transmission method, network equipment, terminal equipment and system for information of transmission mode |
| CN108964847B (en) * | 2017-05-19 | 2020-06-26 | 中国移动通信有限公司研究院 | HARQ management control method and device across Numeriology and base station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651528A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Uplink transmission method and uplink transmission system |
| CN101682488A (en) * | 2007-06-18 | 2010-03-24 | Lm爱立信电话有限公司 | Method and arrangement for retransmission using harq |
| CN101772175A (en) * | 2009-01-05 | 2010-07-07 | 华为技术有限公司 | Message transmission method, network equipment, user equipment and system |
| CN102131297A (en) * | 2011-03-16 | 2011-07-20 | 电信科学技术研究院 | Method and equipment for allocating uplink resource |
| CN102138296A (en) * | 2008-07-10 | 2011-07-27 | 交互数字专利控股公司 | Uplink tti bundling with measurement gaps |
-
2012
- 2012-05-23 CN CN201210162299.1A patent/CN103427942B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101682488A (en) * | 2007-06-18 | 2010-03-24 | Lm爱立信电话有限公司 | Method and arrangement for retransmission using harq |
| CN102138296A (en) * | 2008-07-10 | 2011-07-27 | 交互数字专利控股公司 | Uplink tti bundling with measurement gaps |
| CN101651528A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Uplink transmission method and uplink transmission system |
| CN101772175A (en) * | 2009-01-05 | 2010-07-07 | 华为技术有限公司 | Message transmission method, network equipment, user equipment and system |
| CN102131297A (en) * | 2011-03-16 | 2011-07-20 | 电信科学技术研究院 | Method and equipment for allocating uplink resource |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103427942A (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104205708B (en) | The system and method that the interval bunching parameter of transmission time is notified and determined for signaling | |
| CN104170294B (en) | Physical uplink link shared channels (PUSCH) Transmission Time Interval (TTI) is bundled | |
| CN103036660B (en) | A kind of method of feedback data acceptance state | |
| CN102131297B (en) | Method and equipment for allocating uplink resource | |
| CN104243108B (en) | Uplink hybrid automatic repeat request feedback method, device and system | |
| US8477666B2 (en) | Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window | |
| CN103427942B (en) | Data transmission method and device | |
| CN102355339B (en) | The sending method and terminal of a kind of feedback information | |
| CN102892084B (en) | Trunking service processing method, device, base station and user equipment | |
| CN102394685B (en) | The sending method and system of multi-aerial system up control channel | |
| CN108352930A (en) | Transmission block is segmented and signaling | |
| CN104579603B (en) | A kind of downlink dispatching method and device based on HARQ | |
| CN103378936A (en) | Data transmission method and device | |
| CN110036586A (en) | System and method for handling time reduction signaling | |
| CN110235398A (en) | Method for partial retransmission | |
| CN107852274A (en) | The code block segmentation and rate-matched of more transport block transmissions | |
| CN107332646A (en) | HARQ-ACK sending method and device | |
| CN105050189A (en) | Wireless resource scheduling method and relevant equipment | |
| JP2016519856A (en) | Communications system | |
| CN102651678A (en) | Method, device and system for transmitting control information | |
| EP2080307B1 (en) | Method for retransmitting in the multi-carriers system | |
| CN103427964A (en) | Data transmission method, device and system | |
| CN102468945B (en) | Transmission method and equipment for acknowledgement (ACK) or negative acknowledgement (NACK) feedback information | |
| CN105323044B (en) | A kind of data dispatching method, device and with interior relaying | |
| CN103378932B (en) | Data transmission method, subscriber equipment and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |