CN104639300B - A kind of uplink data transmission method - Google Patents
A kind of uplink data transmission method Download PDFInfo
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- CN104639300B CN104639300B CN201310561210.3A CN201310561210A CN104639300B CN 104639300 B CN104639300 B CN 104639300B CN 201310561210 A CN201310561210 A CN 201310561210A CN 104639300 B CN104639300 B CN 104639300B
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Abstract
This application discloses a kind of uplink data transmission method, including：Base station eNodeB in advance notifies the different transmission block number parameter NTB being currently configured to user equipment, and the different transmission block number parameter is used to indicating needing the quantity of the different pieces of information block transmitted in a group binding subframe；When the UE needs to send data to the base station, according to the different transmission block number parameter notified, by the way of binding subframe is sent, the data for being currently needed for transmission are transmitted and handle and be sent to the base station, for the sub-frame of uplink of every group binding, after the base station receives all data in this group of sub-frame of uplink, corresponding ACK/NACK information is fed back to the UE.It can be improved throughput of system while control signaling expense is reduced using TTI binding technology, shorten propagation delay time using the present invention.
Description
Technical field
The present invention relates to mobile communication technology, more particularly to a kind of uplink data transmission method.
Background technology
In current GSM, conventional transmission plan has two kinds, and one kind is wireless spread-spectrum technology（RLC）Layer point
Section transmission plan, another kind is transmission time interval bonding（TTI Bundling）Transmission plan.
Wherein, in rlc layer segment transmissions scheme, packet is segmented in rlc layer（segmentation）, Mei Yifen
The HARQ processes of Duan Caiyong independences are transmitted respectively, and re-transmission interval time is 8ms.Extra head in the program be present and be
The problems such as control signaling expense of uniting.
As shown in figure 1, in TTI Bundling transmission plans, it is continuous by four when UE reporting uplink power limiteds
Transmission Time Interval TTI is bound, and sends same transmission（TB）Different redundancy versions.Base station（ENodeB）Only receiving
To after the uplink frame of all bindings, HARQ ACK/NACK is just fed back.Re-transmission time in the program is 16ms.In the program
Due to the different redundancy versions using four same TB of transport block transmission, accordingly, there exist reduce handling capacity, increase propagation delay time
The problem of.
As can be seen here, there is the problems such as control signaling expense is big or handling capacity is low, propagation delay time is big in existing transmission plan.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of data transmission method, this method is with higher
Unite handling capacity, the characteristics of shorter propagation delay time and control signaling expense are small.
In order to achieve the above object, technical scheme proposed by the present invention is：
A kind of uplink data transmission method, including：
Base station eNodeB in advance notifies the different transmission block number parameter NTB being currently configured to user equipment, the phase
The quantity for the different pieces of information block that different transmission block number parameter needs to transmit for instruction in a group binding subframe；
When the UE needs to send data to the base station, according to the different transmission block number parameter notified, use
The mode that subframe is sent is bound, the data for being currently needed for transmission are transmitted and handle and be sent to the base station,
For the sub-frame of uplink of every group binding, after the base station receives all data in this group of sub-frame of uplink, to described
UE feeds back corresponding ACK/NACK information.
In summary, data transmission method proposed by the present invention, based on TTI Bundling transmission plans, joined using control
Number NTB binds the different TB numbers transmitted in subframe to identify so that multiple subframes of ACK/NACK information binding transmission can pass
Defeated different TB, so as to while control signaling expense is reduced using TTI binding technology, improve throughput of system, contracting
Short propagation delay.
Brief description of the drawings
Fig. 1 is traditional TTI Bundling transmission plan schematic diagrames；
Fig. 2 is the schematic flow sheet of the embodiment of the present invention one.
Embodiment
It is right below in conjunction with the accompanying drawings and the specific embodiments to make the object, technical solutions and advantages of the present invention clearer
The present invention is described in further detail.
The present invention core concept be：The different TB numbers transmitted in binding subframe are identified using control parameter NTB so that
Multiple subframes of ACK/NACK information binding transmission can transmit different TB, so as to be reduced using TTI binding technology
While control signaling expense, improve throughput of system, shorten propagation delay time.
Fig. 1 is the schematic flow sheet of the embodiment of the present invention one, as shown in Fig. 2 the embodiment mainly includes：
Step 201, base station（eNodeB）In advance the different transmission block number parameter NTB being currently configured is notified to set to user
It is standby, the quantity for the different pieces of information block that the different transmission block number parameter needs to transmit for instruction in a group binding subframe.
This step, by introducing different transmission block number parameter so that UE can realize to be transmitted in a group binding subframe
The purpose of multiple different pieces of information blocks, so as to while control signaling expense is reduced using TTI binding technology, improve system
Handling capacity, shorten propagation delay time.
In actual applications, the concrete configuration of different transmission block number parameter can be according to residing for present data transmission channel
Signal to noise ratio section is configured, i.e., when noise is bigger, the value can be set it is more larger, to obtain larger handle up
Amount, conversely, when signal to noise ratio is smaller, the value can be set it is smaller, to ensure data transmission quality.Specifically, can be by this
Art personnel set suitable NTB values according to mentioned above principle.
Step 202, when the UE needs to send data to the base station, joined according to the different transmission block number that is notified
Number, by the way of binding subframe is sent, the data for being currently needed for transmission are transmitted and handle and be sent to the base station.
In this step, UE is according to the different transmission block number parameter notified, by the way of binding subframe is sent, to working as
The preceding data for needing to transmit are transmitted processing.Except that, it will consider that network side is notified in this step with existing system
Different transmission block number, it is determined that the data to be sent, so, can in a group binding subframe the different biography of simultaneous transmission
Defeated piece, to improve throughput of system, shorten propagation delay time.
It is preferred that following methods can be used, which to be transmitted the data for being currently needed for transmission, handles and is sent to the base
Stand：
For every group binding subframe, the UE determines that the group binding subframe needs the data block transmitted；The data block
Number is identical with the different transmission block number parameter value being currently configured；Identified data block is encoded and speed
Match somebody with somebody and generate corresponding redundancy versions transmission block, the quantity of the redundancy versions transmission block is the subframe that a group binding subframe includes
The difference of number and the different transmission block number parameter value；In the group binding subframe, by the data block after rate-matched and
The corresponding redundancy versions transmission block, is sent to the base station.
Here, for every group binding subframe, the quantity of redundancy versions transmission block is the number of sub frames that a group binding subframe includes
With the difference of the different transmission block number parameter value.
In actual applications, according to the difference of the number of different transmission block in a group binding subframe, redundancy versions are generated
Quantity also also will be different according to the quantity of redundancy versions and different transmission block by difference, specific generation method.Below based on
A group binding subframe will include the situation of 4 subframes in existing system, and the preferable generation method of redundancy versions transmission block is carried out
Illustrate：
Method one：
When it is 4 that the different transmission block number parameter value, which is the number of sub frames that 2, one group binding subframe includes, the UE points
Other two data blocks to needing to transmit when previous group binding subframe encode, and the coding result of two data blocks are carried out different
Or operation, rate-matched is carried out to the result of the XOR, using the result after the rate-matched, using the side of cyclic shift
Formula, obtain two redundancy versions transmission blocks.
The above method employs first carries out XOR to the coding result of differing data block, then enters scanning frequency to XOR result again
Rate matches and the method for cyclic shift, generates two redundancy versions transmission blocks.It can also use first different to the progress of differing data block
XOR result is encoded again after probable and rate-matched, obtaining two redundancy versions finally by the mode of cyclic shift passes
Defeated piece.Which is realized using following methods two.
Method two：
The UE carries out xor operation to two data blocks for needing to transmit when previous group binding subframe, by the XOR
As a result encoded, the coding result is subjected to rate-matched, using the result after the rate-matched, using cyclic shift
Mode, generate two redundancy versions transmission blocks.
The specific side of two redundancy versions transmission blocks is generated in the above method one and method two by the way of cyclic shift
Method is grasped by those skilled in the art, will not be repeated here.
Method three：
When it is 4 that the different transmission block number parameter value, which is the number of sub frames that 3, one group binding subframe includes, described UE pairs
When previous group binding subframe needs three data blocks transmitting to be encoded respectively, by the coding result of three data blocks point
Rate-matched is not carried out, from the result after the rate-matched of three data blocks, takes out the data of 1/3 length respectively, it is right
The data for three section of 1/3 length taken out carry out direct splicing, obtain redundancy versions transmission block.
In the above method, for the situation of three different transmission blocks, it would be desirable to generate a redundancy versions transmission block, this is superfluous
The generation of remaining version employs a kind of relatively simple implementation method, i.e., using going out in three differing data blocks after rate-matched
The data of 1/3 length, the data direct splicing of three section of 1/3 length is obtained into a redundancy versions.
The above method is only the preferable examples for generating redundancy versions, is not limited to the above method in actual applications.
Step 203, the sub-frame of uplink for every group binding, the base station receive all data in this group of sub-frame of uplink
Afterwards, corresponding ACK/NACK information is fed back to the UE.
In this step, inverse process of the base station side to the specific processing method for receiving data for UE ends to transmission data processing,
It is implemented as those skilled in the art and grasps will not be repeated here.
In summary, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
- A kind of 1. uplink data transmission method, it is characterised in that including：Base station eNodeB in advance notifies the different transmission block number parameter NTB being currently configured to user equipment (UE), described different The quantity for the different pieces of information block that transmission block number parameter needs to transmit for instruction in a group binding subframe；When the UE needs to send data to the base station, according to the different transmission block number parameter notified, using binding The modes that subframe is sent, the data for being currently needed for transmission are transmitted and handle and be sent to the base station,It is anti-to the UE after the base station receives all data in this group of sub-frame of uplink for the sub-frame of uplink of every group binding Present corresponding ACK/NACK information；The described pair of data for being currently needed for transmission, which are transmitted to handle and be sent to the base station, to be included：For every group binding subframe, the UE determines that the group binding subframe needs the data block transmitted；The number of the data block It is identical with the different transmission block number parameter value being currently configured；Identified data block is encoded and rate-matched simultaneously Generate corresponding redundancy versions transmission block, the quantity of the redundancy versions transmission block for the number of sub frames that a group binding subframe includes with The difference of the different transmission block number parameter value；In the group binding subframe, by the data block after rate-matched and accordingly The redundancy versions transmission block, be sent to the base station.
- 2. according to the method for claim 1, it is characterised in that tied up when the different transmission block number parameter value is 2, one groups When the number of sub frames that stator frame includes is 4, the corresponding redundancy versions transmission block of generation includes：The UE encodes to two data blocks for needing to transmit when previous group binding subframe respectively, by the volume of two data blocks Code result carries out xor operation, carries out rate-matched to the result of the XOR, using the result after the rate-matched, uses The mode of cyclic shift, generate two redundancy versions transmission blocks.
- 3. according to the method for claim 1, it is characterised in that tied up when the different transmission block number parameter value is 2, one groups When the number of sub frames that stator frame includes is 4, the corresponding redundancy versions transmission block of generation includes：The UE carries out xor operation to two data blocks for needing to transmit when previous group binding subframe, by the result of the XOR Encoded, the coding result is subjected to rate-matched, using the result after the rate-matched, using the side of cyclic shift Formula, generate two redundancy versions transmission blocks.
- 4. according to the method for claim 1, it is characterised in that tied up when the different transmission block number parameter value is 3, one groups When the number of sub frames that stator frame includes is 4, the corresponding redundancy versions transmission block of generation includes：The UE is encoded respectively to three data blocks for needing to transmit when previous group binding subframe, by three data blocks Coding result carry out rate-matched respectively, from the result after the rate-matched of three data blocks, respectively take out 1/3 length The data of degree, the data of three section of 1/3 length to being taken out carry out direct splicing, obtain redundancy versions transmission block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310561210.3A CN104639300B (en) | 2013-11-12 | 2013-11-12 | A kind of uplink data transmission method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310561210.3A CN104639300B (en) | 2013-11-12 | 2013-11-12 | A kind of uplink data transmission method |
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| CN104639300A CN104639300A (en) | 2015-05-20 |
| CN104639300B true CN104639300B (en) | 2017-12-08 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162553B (en) * | 2015-08-14 | 2018-09-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of transmission block type signaling indication method and system |
| CN106603209B (en) * | 2015-10-16 | 2020-05-05 | 普天信息技术有限公司 | Data transmission method and device for time domain and frequency domain resource joint binding |
| CN108011695A (en) * | 2016-10-28 | 2018-05-08 | 财团法人工业技术研究院 | Wireless Communication Method, Device And System |
| US10681708B2 (en) * | 2016-12-16 | 2020-06-09 | Qualcomm Incorporated | Subslot bundling and acknowledgement |
| EP3563506A4 (en) * | 2016-12-28 | 2020-08-12 | Motorola Mobility LLC | Feedback information for a data block group |
| CN108513363B (en) * | 2017-02-24 | 2022-02-11 | 中国移动通信有限公司研究院 | Information transmission method, user equipment and base station |
| US10959223B2 (en) * | 2017-05-25 | 2021-03-23 | Qualcomm Incorporated | Transmission time interval bundling for wireless communications systems |
| CN107359966B (en) | 2017-05-31 | 2021-01-29 | 上海华为技术有限公司 | Signal transmitting method and communication equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118782A (en) * | 2010-01-05 | 2011-07-06 | 中国移动通信集团公司 | Uplink transmission method, system and equipment |
| CN102231643A (en) * | 2011-07-01 | 2011-11-02 | 电信科学技术研究院 | Data transmission method and equipment for carrier aggregation system |
| EP2627027A1 (en) * | 2012-02-13 | 2013-08-14 | Sequans Communications | Dynamic data transmission adjustment method |
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2013
- 2013-11-12 CN CN201310561210.3A patent/CN104639300B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118782A (en) * | 2010-01-05 | 2011-07-06 | 中国移动通信集团公司 | Uplink transmission method, system and equipment |
| CN102231643A (en) * | 2011-07-01 | 2011-11-02 | 电信科学技术研究院 | Data transmission method and equipment for carrier aggregation system |
| EP2627027A1 (en) * | 2012-02-13 | 2013-08-14 | Sequans Communications | Dynamic data transmission adjustment method |
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