CN103338090B - Service data transmission method, equipment and system - Google Patents
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Abstract
A kind of service data transmission method, equipment and the system that the present invention provides.The method includes: business data packet to be transmitted in rlc layer is divided at least two primary data sheet by terminal, according to the number of default redundancy versions, each primary data sheet is repeated, obtain the repetition data slice of each primary data sheet, each repetition data slice is carried out coded treatment, obtain the redundant data sheet of each redundancy versions corresponding to each primary data sheet, and on default Transmission Time Interval TTI boundling, the redundant data sheet of each redundancy versions corresponding for each primary data sheet is sent to base station.Business data packet waiting for transmission is divided into multiple data slice by the present invention, at the redundant data sheet that default TTI boundling transmitting data sheet is corresponding, the data volume of transmission on TTI is diminished, reduces the bit error rate of business data transmission, improve the accuracy rate of business datum.
Description
Technical field
The present invention relates to communication technology, particularly relate to a kind of data transmission method, equipment and system.
Background technology
Owing to the core net of Long Term Evolution (Long Term Evolution, referred to as LTE) have employed packet domain structure,
It is thus desirable to by Internet protocol (Internet Protocol, referred to as IP) packet Internet finishing service data
Transmission.First by transmitting terminal, business datum waiting for transmission is compressed and coded treatment during transmission business datum,
Then by the business datum after overcompression and coding according to network communication protocol (Transmission Control
Protocol/Internet Protocol, referred to as TCP/IP) standard packs, then will after packing business datum through IP
Network transmits to receiving terminal.
At present, in LTE system, (Voice over IP is referred to as in the speech business that terminal carries at transport of internet
VoIP) during data, transmission time interval (tti) bundle (the Transmission Time Interval used in Rel-8 agreement more
Bundling, referred to as TTI bundling) technology to base station transmit VoIP business data packet.As it is shown in figure 1, terminal is by VoIP
Packet carries out coded treatment on corresponding transmission block (Transport Block, referred to as TB), it is thus achieved that this VoIP data bag
4 different redundancy versions RV0, RV1, RV2 and RV3.Terminal uses mixed automatic retransfer (Hybrid Automatic
Retransmission, referred to as HARQ) RV0-RV3 is transmitted by technology, and RV0-RV3 is respectively at TTI#0(HARQ
Process#0)-TTI#3(HARQ process#0) in transmission, each redundancy versions arrives base stations through 4 TTI, and finally
One redundancy versions RV3 arrives base station in TTI#6.Base station is at TTI#7(HARQ#7) in be demodulated 4 redundancy version solving
Code, obtains initial TB, then makes decisions initial TB according to the threshold bit error rate preset, and returns a HARQ to terminal anti-
Feedback.If HARQ feedback is non-acknowledgement message (Not ACK, referred to as NACK), terminal is at TTI#16-TTI#19(HARQ
Process#0) RV0-RV3 corresponding to this TB is again transmitted；If HARQ feedback is for confirming message (ACK), terminal is at TTI#16-
TTI#19(HARQ process#0) transmit RV0-RV3 corresponding to new TB.
But, in above-mentioned TTI boundling technology, on each TTI, transmission is the redundancy versions that a VoIP data bag is corresponding,
Due to edge termination with to be in base station covering power poor compared with the communication performance of the terminal of weak position, terminal on TTI to base station
During transmission redundancy versions corresponding to VoIP data bag, bigger transmission error rates often occurs so that base station gets VoIP
The accuracy rate of business datum is relatively low.
Summary of the invention
The present invention provides a kind of service data transmission method, equipment and system, in order to solve to exist in prior art business
The problem that data transmission error rate is higher.
To achieve these goals, the invention provides a kind of service data transmission method, including:
Business data packet to be transmitted in wireless spread-spectrum technology rlc layer is divided at least two primary data sheet by terminal；
Each primary data sheet is carried out heavily by described terminal by each primary data sheet according to the number of default redundancy versions
Multiple, obtain the repetition data slice that each primary data sheet is corresponding；
Described terminal carries out coded treatment to each repetition data slice, it is thus achieved that each redundancy version that each primary data sheet is corresponding
This redundant data sheet；
Described terminal is on default Transmission Time Interval TTI boundling, by each redundancy version corresponding for each primary data sheet
This redundant data sheet is sent to base station.
To achieve these goals, the invention provides a kind of terminal, including:
Segmentation module, for being divided into business data packet waiting for transmission in wireless spread-spectrum technology rlc layer at the beginning of at least two
Beginning data slice；
Replicated blocks, for entering each primary data sheet according to the number of default redundancy versions each primary data sheet
Row repeats, and obtains the repetition data slice that each primary data sheet is corresponding；
Processing module, for carrying out coded treatment to each repetition data slice, it is thus achieved that corresponding each of each primary data sheet
The redundant data sheet of redundancy versions；
First sending module, at default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet
The redundant data sheet of each redundancy versions is sent to base station.
To achieve these goals, the invention provides a kind of business data transmission system, including: above-mentioned terminal and base
Stand；
Wherein, described base station includes: the second receiver module, for receiving each primary data sheet pair that described terminal sends
The redundant data sheet of each redundancy versions answered.
A kind of service data transmission method, equipment and the system that the present invention provides.Terminal is by wireless spread-spectrum technology (Radio
Link Control, RLC) business data packet to be transmitted is divided at least two primary data sheet, according to default redundancy version in layer
Each primary data sheet is repeated by this number, obtains the repetition data slice of each primary data sheet, to each repeat number
Coded treatment is carried out, it is thus achieved that the redundant data sheet of each redundancy versions that each primary data sheet is corresponding according to sheet, and in default biography
On defeated time interval TTI boundling, the redundant data sheet of each redundancy versions corresponding for each primary data sheet is sent to base station.This
Invention is by being divided into multiple data slice by business datum waiting for transmission, corresponding at default TTI boundling transmitting data sheet
Redundant data sheet so that the data volume of transmission diminishes on TTI so that the bit error rate of business data transmission reduces, thus improves
The accuracy of business datum.
Accompanying drawing explanation
Fig. 1 is existing business data transmission method schematic diagram；
A kind of service data transmission method schematic diagram that Fig. 2 provides for the embodiment of the present invention；
A kind of business data transmission process schematic that Fig. 3 provides for the embodiment of the present invention；
The another kind of business data transmission process schematic that Fig. 4 provides for the embodiment of the present invention；
The another kind of service data transmission method schematic diagram that Fig. 5 provides for the embodiment of the present invention；
A kind of terminal structure schematic diagram that Fig. 6 provides for the embodiment of the present invention；
The another kind of terminal structure schematic diagram that Fig. 7 provides for the embodiment of the present invention；
The structural representation of a kind of business data transmission system that Fig. 8 provides for the embodiment of the present invention；
The structural representation of the another kind of business data transmission system that Fig. 9 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
A kind of service data transmission method schematic diagram that Fig. 2 provides for the embodiment of the present invention.As in figure 2 it is shown, the method bag
Include following steps:
200, business data packet to be transmitted in wireless spread-spectrum technology rlc layer is divided at least two primary data by terminal
Sheet.
Each primary data sheet is carried out by terminal described in 201 by each primary data sheet according to the number of default redundancy versions
Repeat, obtain the repetition data slice that each primary data sheet is corresponding.
202, described terminal carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version.
203, described terminal is on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.
Business data packet to be transmitted in rlc layer is divided at least two primary data sheet by terminal, it is preferable that this is to be transmitted
Business data packet can be VoIP data bag.Further, after business data packet to be transmitted is split by terminal, get many
Individual primary data sheet, each primary data sheet corresponding transmission block TB within the physical layer.
After getting multiple primary data sheet, each primary data sheet is entered by terminal according to default redundancy versions number
Row repeats, the repetition data slice corresponding to obtain each data slice.Each primary data sheet is repeated by terminal, every to obtain
The optional implementation of repetition data slice one that individual data slice is corresponding: terminal can preset the number of redundancy versions.Accordingly
Ground, terminal, according to the number of default redundancy versions, replicates each primary data sheet, so that each primary data sheet has default
The repetition initial sheets of number.Illustrating, when setting the number of redundancy versions as 10, the first primary data sheet is carried out by terminal
Repeat, obtain 10 identical repetition data slice that the first primary data sheet is corresponding.Wherein, the first data slice is all initial number
According to any one the primary data sheet in sheet.
Terminal carries out coded treatment to the repetition data slice that each primary data sheet is corresponding.Specifically, terminal is to each heavy
Complex data sheet is circulated redundancy check code (Cyclic Redundancy Check, referred to as CRC) attachment, then to through CRC
Each repetition data slice that attachment processes carries out chnnel coding process, and (Rate Match is referred to as to carry out rate adaptation the most again
And modulation etc. processes RM).After terminal has carried out above-mentioned coded treatment to each repetition data slice, each initial number can be obtained
According to the redundant data sheet that sheet is corresponding.In the present embodiment, 10 repetition data slice of each primary data sheet are adopted by terminal respectively
Carry out at coding by different CRC check codes, different Channel coding parameters, different speed and different modulation systems
Reason, can obtain the redundant data sheet of 10 redundancy versions corresponding to this primary data sheet.It is to be appreciated that the number of redundancy versions
It is not limited only to 10, the most merely illustrative.
Each primary data sheet is repeated by terminal, and to obtain repetition data slice corresponding to each data slice, another is optional
Implementation: terminal can preset the number of redundancy versions.The each primary data sheet got is buffered in by terminal
In one buffer unit.When each primary data sheet is repeated by terminal, terminal reads this initial number from this buffer unit
According to sheet.Further, terminal carries out coded treatment to the primary data sheet read every time.Illustrate, when setting redundancy versions
Number when being 10, terminal needs to read 10 these primary data sheets from buffer unit, and adopts the data slice every time read
Coded treatment is carried out by different CRC check codes, different Channel coding parameters, different speed and different modulation systems,
To obtain the redundant data sheet of 10 redundancy versions corresponding to this primary data sheet.In this implementation, terminal is to repeat number
Carrying out the process of coded treatment according to sheet, may refer to the relevant record in above-mentioned implementation, here is omitted.
After getting the redundant data sheet of multiple redundancy versions of each primary data sheet, terminal is at default TTI collection
Shu Shang, is sent to base station by the redundant data sheet of each redundancy versions corresponding for each primary data sheet.Alternatively, terminal is at TTI
On boundling, can superfluous according to each redundancy versions corresponding to two primary data sheets of numeric order alternate transport of redundant data sheet
Remaining data slice, it is also possible to transmit all redundant digits that each primary data sheet is corresponding successively according to the numeric order of primary data sheet
According to sheet.
Respectively above two transmission means is described in detail below by Fig. 3 and Fig. 4.
The schematic diagram of a kind of business data transmission process that Fig. 3 provides for the embodiment of the present invention.As it is shown on figure 3, terminal will
Business data packet to be transmitted is divided into two primary data sheets, two TB of corresponding physical layer, respectively two TB is defined as TB1
And TB2, to distinguish two primary data sheets.Herein it is to be appreciated that the number of primary data sheet is set to 2 by the present embodiment
Merely illustrative, it is not intended as limitation of the present invention.Those skilled in the art can flexibly set initial according to actual needs
The number of data slice.
In the present embodiment, terminal pre-sets 10 different redundancy versions.Terminal carries out 10 respectively to TB1 and TB2
Secondary repetition, each TB obtains 10 identical repetition data slice, then 10 repetition data slice of each TB is carried out 10 times not
Same coded treatment, to obtain the redundant data sheet RV of 10 different redundancy versions of each TB, respectively by corresponding for TB1 10
The redundant data sheet RV of redundancy versions, is designated as RV0-RV9, and by the redundant data sheet RV of 10 corresponding for TB2 redundancy versions,
It is designated as RV0-RV9.
In the present embodiment, TTI boundling length is set to 20, i.e. TTI boundling includes 20 TTI.One TB can be
RV0-RV9 corresponding to TB is transmitted on 10 TTI.At this it is to be appreciated that the present embodiment arranges 10 TTI for each TB, not
Can be as limitation of the present invention, those skilled in the art can be the individual of each TB selection TTI according to actual needs flexibly
Number, and the length of TTI boundling corresponding to each terminal can be identical, it is also possible to different.
As it is shown on figure 3, during this business data transmission, terminal by RV0-RV9 corresponding for TB1 respectively TTI#0,
TTI#2, TTI#4 ... be transferred to base station on TTI#18, by RV0-RV9 corresponding for TB2 respectively at TTI#1, TTI#3, TTI#
5...TTI#19 base station it is transferred on.It is to say, on TTI boundling, redundant data sheet RV0 with TB2 corresponding for TB1 is corresponding
RV0 is adjacent, and corresponding for TB1 RV1 corresponding for redundant data sheet RV1 with TB2 is adjacent, the like, redundant data sheet corresponding for TB1
RV9 corresponding for RV9 with TB2 is adjacent.And, the redundancy versions of two adjacent redundant data sheets is identical.At this business number
According in transmitting procedure, owing to the adjacent redundant data slice of each redundant data sheet is the redundant digit that other primary data sheet is corresponding
According to sheet, business datum gain in time diversity can be increased, improve the accuracy rate of business datum further.
The schematic diagram of the another kind of business data transmission process that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, terminal
RV0-RV9 corresponding for TB1 is transferred to base station respectively on TTI#0, TTI#1 ... TTI#9, and by RV0-RV9 corresponding for TB2
It is transferred to base station respectively on TTI#10, TTI#11 ... TTI#19.It is to say, on TTI boundling, terminal is according to initial number
All redundant data sheets that each primary data sheet is corresponding are transmitted successively according to the numeric order of sheet.
The present embodiment provide service data transmission method, terminal business data packet to be transmitted in rlc layer is divided into
Few two primary data sheets, repeat each primary data sheet according to the number of default redundancy versions, obtain each initially
The repetition data slice of data slice, carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version, and on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.The present invention by business datum waiting for transmission is divided into multiple data slice,
The redundant data sheet that default TTI boundling transmitting data sheet is corresponding so that the data volume of transmission diminishes on TTI so that industry
The bit error rate of business data transmission reduces, such that it is able to improve the accuracy rate of business datum.
A kind of service data transmission method schematic diagram that Fig. 5 provides for the embodiment of the present invention.As it is shown in figure 5, the method bag
Include following steps:
500, transmitting power is reported base station by terminal.
Terminal, before business data packet to be transmitted is sent to base station, needs to be obtained the transmitting merit of self by measurement
Rate, and this transmitting power is reported base station.
501, described base station judges that whether described transmitting power is less than the power threshold preset.
Specifically, base station is after receiving the transmitting power that terminal sends, by this transmitting power and the power threshold preset
Compare, if launching power more than or equal to the power threshold preset, execution step 502；If launching power to be less than
The power threshold preset, performs step 510.
502, described base station sends the first configuration message to described terminal, and wherein, described first configuration message is used for indicating
Described terminal uses dividing processing mode to transmit described business data packet to be transmitted.
Base station, after the transmitting power judging terminal to report is more than or equal to the power threshold preset, sends to terminal
First configuration message, wherein, this first configuration message instruction terminal uses dividing processing mode to transmit business data packet to be transmitted.
In the present embodiment, if launching the power threshold that power is more than or equal to preset, illustrate that terminal is edge customer.Due to limit
Edge user is under severe communication environment, and transmitting uplink data ability is relatively low, accordingly, it would be desirable to transmit less data volume as far as possible,
To ensure data transmission quality.
503, business data packet to be transmitted in rlc layer is divided at least two primary data sheet by described terminal.
Terminal is after receiving the first configuration message, owing to this first configuration message indicates business data packet to be transmitted
Using dividing processing mode to be transmitted, terminal can be according to the instruction of this first configuration message, by business data packet to be transmitted
It is divided at least two primary data sheet.Further, the first configuration message can carry segmentation number, such as, segmentation
Number is 2, and business data packet to be transmitted can be divided into two primary data sheets according to this segmentation number by terminal.
504, each primary data sheet is repeated by described terminal according to the number of default redundancy versions, it is thus achieved that Mei Gechu
The repetition data slice that beginning data slice is corresponding.
After getting multiple primary data sheet, each primary data sheet is entered by terminal according to default redundancy versions number
Row repeats, and to obtain the process of repetition data slice corresponding to each data slice, can be found in the record of related content in examples detailed above,
Here is omitted.
505, described terminal carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version.
The first configuration message in step 502 can also be carried coding parameter, such as, the first configuration message is carried
The coding parameters such as CRC check code, Channel coding parameters, speed and modulation system.Terminal is getting business data packet to be transmitted
Primary data sheet after, can be according to the repetition corresponding to each primary data sheet of the coding parameter that carries in the first configuration message
Data slice carries out coded treatment, to obtain the redundant data sheet of each redundancy versions corresponding to each data slice.About terminal respectively
Each primary data sheet is carried out coded treatment, obtains redundant data sheet concrete of each redundancy versions corresponding to each data slice
Process, can be found in the record of related content in above-described embodiment, and here is omitted.
506, described terminal is on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.
The first configuration message in step 502 can also carry TTI boundling length, the i.e. TTI that TTI boundling includes
Number.Terminal, according to the TTI boundling length carried in the first message, arranges the number of the TTI that TTI boundling includes, then
The redundant data sheet of each redundancy versions corresponding for each primary data sheet, on the TTI boundling of this setting, is sent to base by terminal
Stand.
In the present embodiment, about terminal on TTI boundling, by the redundancy of each redundancy versions corresponding for each primary data sheet
Data slice is sent to the process of base station, may refer to the figure in the record of related content in above-described embodiment and above-described embodiment
3 and Fig. 4, here is omitted.
Further, first configuration message in can also carry Physical Resource Block (Physical Resource Blocks,
Referred to as PRB) number, the grade of Modulation and Coding Scheme (Modulation and coding scheme, referred to as MCS) and
The information such as HARQ two-way time (Round-Trip Time, referred to as RTT).
507, each redundant data sheet that described node B cache receives.
Base station receives redundant data sheet, and will receive redundant data sheet and be buffered in buffer unit.
508, described base station carries out joint decoding to all redundant data sheets, obtains joint decoding data and associating error code
Rate.
Specifically, base station, after having received all of redundant data sheet, obtains business datum to be transmitted from buffer unit
All redundant data sheets that bag is corresponding, and all redundant data sheets are carried out joint decoding, get this business datum to be transmitted
The joint decoding data that bag is corresponding.In actual applications, in terminal during the transmission of redundant data sheet of base station, in fact it could happen that
Part error in data in redundant data sheet or the phenomenon of part loss of data, therefore, the joint decoding number that base station gets
According to, certain bit error rate can be there is.While getting joint decoding data, the bit error rate can also be combined in base station.
If the 509 described associating bit error rates are less than or equal to the threshold bit error rate preset, then demodulate described joint decoding
Data, obtain described business data packet to be transmitted.
This associating bit error rate, after getting the associating bit error rate, is compared by base station with the threshold bit error rate preset, as
Really this associating bit error rate be more than this threshold bit error rate, illustrate business datum to be transmitted wrap in transmitting procedure occur error in data or
Data loss rate is higher, and base station then thinks that these joint decoding data are invalid datas, can abandon this joint decoding data.And such as
The threshold bit error rate that really this associating bit error rate is preset less than or equal to this, illustrates that business datum to be transmitted wraps in transmitting procedure and goes out
Existing error in data or data loss rate are the highest, and base station then thinks that these joint decoding data are valid data, and base station is to this associating
Decoding data is demodulated processing, and gets business data packet to be transmitted.
510, described base station sends the second configuration message to described terminal, and wherein, described second configuration message is used for indicating
Described terminal uses hybrid automatic retransmission HARQ mode to transmit described business data packet to be transmitted.
In step 501, if base station judges that launching power is less than the power threshold preset, base station is sent out second to terminal and is joined
Putting message, wherein, this second configuration message is used for indicating terminal to use mixed automatic retransfer (Hybrid Automatic
Retransmission, HARQ) mode transmits business data packet to be transmitted.About the related introduction of HARQ mode, can be found in existing
Having the record of related content in technology, here is omitted.
The present embodiment provide service data transmission method, terminal business data packet to be transmitted in rlc layer is divided into
Few two primary data sheets, repeat each primary data sheet according to the number of default redundancy versions, obtain each initially
The repetition data slice of data slice, carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version, and on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.The present embodiment have employed dividing processing mode to business to be transmitted due to terminal
Packet is transmitted so that business data packet to be transmitted is divided into multiple less primary data sheet, then at each TTI
The redundant data sheet that upper transmission primary data sheet is corresponding so that the data volume of the transmission on TTI diminishes so that business number
The bit error rate according to transmission is relatively low, such that it is able to improve the accuracy rate of business datum.
Further, before terminal transmission business data packet, business data packet waiting for transmission is split, is made
Obtain the business datum amount of transmission on TTI less, reduce the bit error rate of business datum.In the present embodiment, when business datum
When the bit error rate is less than the threshold bit error rate preset, illustrating that this business datum received is valid data, base station can normally make
Using this business datum, it is to avoid exist owing to the bit error rate is high in prior art, terminal repeats to transmit the problem of business datum, thus
Improve the resource utilization of TTI.And carried out transmission is repeated several times to primary data sheet, base station side demodulation can be improved and translate
The accuracy rate of code.
A kind of terminal structure schematic diagram that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, this terminal includes: segmentation mould
Block 60, replicated blocks 61, processing module 62 and the first sending module 63.
Wherein, business data packet to be transmitted in rlc layer is divided at least two primary data sheet, preferably by segmentation module 60
Ground, this business data packet to be transmitted can be VoIP data.Specifically, business data packet to be transmitted can be divided by segmentation module 60
It is slit at least two primary data sheet, and each primary data sheet corresponding transmission block TB within the physical layer.
Segmentation module 60 be connected with replicated blocks 61, split module 60 business data packet to be transmitted is divided into multiple at the beginning of
After beginning data slice, each primary data sheet is repeated by replicated blocks 61 according to default redundancy versions number, every to obtain
Multiple repetition data slice that individual data slice is corresponding.Specifically, the process that each primary data sheet is repeated by replicated blocks 61,
May refer to the record of related content in above-described embodiment, do not repeating.
Processing module 62 is connected with replicated blocks 61, gets, at replicated blocks 61, the repetition that each primary data sheet is corresponding
After data slice, each repetition data slice is encoded by processing module 62, obtains each redundancy version that each primary data sheet is corresponding
This redundant data sheet.Specifically, processing module 62 carries out the process of coded treatment to each repetition data slice, may refer to
State the record of related content in embodiment, do not repeating.
Processing module 62 is also connected with the first sending module 63, gets each of each primary data sheet in processing module 62
After the redundant data sheet of redundancy versions, the first sending module 63 is on default TTI boundling, by corresponding for each primary data sheet
The redundant data sheet of each redundancy versions is sent to base station.Alternatively, the first sending module 63, can be according to superfluous on TTI boundling
The redundant data sheet of each redundancy versions that two primary data sheets of numeric order alternate transport of remaining data slice are corresponding, it is also possible to press
Numeric order according to primary data sheet transmits all redundant data sheets that each primary data sheet is corresponding successively.
In the present embodiment, about the first sending module 63 on TTI boundling, by each redundancy corresponding for each primary data sheet
The redundant data sheet of version is sent to the process of base station, may refer to the record of related content in above-described embodiment and above-mentioned reality
Executing Fig. 3 and Fig. 4 in example, here is omitted.
The terminal that the present embodiment provides, is divided at least two primary data sheet by business data packet to be transmitted in rlc layer,
According to the number of default redundancy versions, each primary data sheet is repeated, obtain the repetition data of each primary data sheet
Sheet, carries out coded treatment to each repetition data slice, it is thus achieved that the redundant data of each redundancy versions that each primary data sheet is corresponding
Sheet, and on default Transmission Time Interval TTI boundling, by the redundant data of each redundancy versions corresponding for each primary data sheet
Sheet is sent to base station.The present invention, by business datum waiting for transmission is divided into multiple data slice, uploads at default TTI boundling
The redundant data sheet that transmission of data sheet is corresponding so that the data volume of transmission diminishes on TTI, can reduce the error code of business datum
Rate, improves the accuracy rate of business datum.
The another kind of terminal structure schematic diagram that Fig. 7 provides for the embodiment of the present invention.As it is shown in fig. 7, this terminal includes: report
Module the 70, first receiver module 71, segmentation module 72, replicated blocks 73, processing module 74 and the first sending module 75.
Wherein, before the first sending module 75 sends business data packet to be transmitted to base station, need by reporting module 70
Measure the transmitting power obtaining self, and this transmitting power is reported base station.
Base station is after receiving the transmitting power that reporting module 70 reports, it is judged that whether launch power less than the power preset
Thresholding.Specifically, this transmitting power is compared by base station with the power threshold preset, and is more than or equal to if launching power
The power threshold preset, the base station the first receiver module 71 in terminal sends the first configuration information.Wherein, this first configuration disappears
Breath instruction terminal uses dividing processing mode to transmit business data packet to be transmitted.In the present embodiment, if launching power and being more than
Or equal to the power threshold preset, illustrate that terminal is edge customer.Owing to edge customer is under severe communication environment, up
Data transmission capabilities is relatively low, accordingly, it would be desirable to transmit less data volume, to ensure data transmission quality as far as possible.
If base station judges that launching power is less than the power threshold preset, base station is joined to the first receiver module 71 second
Putting message, wherein, this second configuration message is used for indicating terminal to use HARQ mode to transmit business data packet to be transmitted.About
The related introduction of HARQ mode, can be found in the record of related content in prior art, and here is omitted.
First receiver module 71 is connected with segmentation module 72, after the first receiver module 71 receives the first configuration message,
Use dividing processing mode to be transmitted business data packet to be transmitted owing to this first configuration message indicates, split module 72
According to the instruction of this first configuration message, business data packet to be transmitted can be divided at least two primary data sheet.Enter one
Step ground, can carry segmentation number in the first configuration message, such as, segmentation number is 2, and segmentation module 72 can be according to this segmentation
Number, is divided into two primary data sheets by business data packet to be transmitted in rlc layer.
Further, the first configuration message can also be carried coding parameter, such as, the first configuration message can be carried
The coding parameters such as CRC check code, Channel coding parameters, speed and modulation system.Processing module is connected with segmentation module 72, is dividing
Cutting after business data packet to be transmitted is divided into multiple primary data sheet by module 72, replicated blocks 73 are according to default redundancy versions
Number, each primary data sheet is repeated.Specifically, the process that primary data sheet is repeated by replicated blocks 73,
Can be found in the record of related content in examples detailed above, here is omitted.Replicated blocks 73 are connected with processing module 74, process mould
The repetition data slice that each primary data sheet is corresponding can be carried out by block 74 according to the coding parameter carried in the first configuration message
Coded treatment, to obtain the redundant data sheet of each redundancy versions corresponding to each primary data sheet.About processing module 74 respectively
Each repetition data slice is carried out coded treatment, obtains redundant data sheet concrete of each redundancy versions corresponding to each data slice
Process, can be found in the record of related content in above-described embodiment, and here is omitted.
Further, the first configuration message can also carry TTI boundling length, i.e. the TTI's that TTI boundling includes
Number.First sending module 75 is connected with processing module 74, and after processing module 73 gets redundant data sheet, first sends mould
Block 75, according to the TTI boundling length carried in the first message, arranges the number of the TTI that TTI boundling includes, then in setting
On TTI boundling, the redundant data sheet of each redundancy versions corresponding for each primary data sheet is sent to base station.
In the present embodiment, about the first sending module 75 on TTI boundling, by each redundancy corresponding for each primary data sheet
The redundant data sheet of version is sent to the process of base station, may refer to the record of related content in above-described embodiment and above-mentioned reality
Executing Fig. 3 and Fig. 4 in example, here is omitted.
Further, this redundant data sheet received, after receiving a redundant data sheet, is cached by base station
In buffer unit.Base station, after having received all redundant data sheets, obtains all redundant data sheets, to this from buffer unit
Redundant data sheet carries out joint decoding, obtains joint decoding data.In actual applications, at the first sending module 75 to base
During transmission of redundant data of standing sheet, it is possible that the part error in data in redundant data sheet or part loss of data
Phenomenon, therefore, the joint decoding data that base station gets, certain bit error rate can be there is.Base station is to all redundant datas
During sheet carries out joint decoding, it is also possible to get the associating bit error rate.
After getting the associating bit error rate, this associating bit error rate is compared by base station with the threshold bit error rate preset, as
Really this associating bit error rate be more than this threshold bit error rate, illustrate business datum to be transmitted wrap in transmitting procedure occur error in data or
Data loss rate is higher, and base station then thinks that these joint decoding data are invalid datas, can abandon this joint decoding data.And such as
The threshold bit error rate that really this associating bit error rate is preset less than or equal to this, illustrates that business datum to be transmitted wraps in transmitting procedure and goes out
Existing error in data or data loss rate are the highest, and these joint decoding data valid data are then thought in base station.This is combined and translates by base station
Code data are demodulated processing, and obtain business data packet to be transmitted.
The terminal that the present embodiment provides, is divided at least two primary data sheet by business data packet to be transmitted in rlc layer,
According to the number of default redundancy versions, each primary data sheet is repeated, obtain the repetition data of each primary data sheet
Sheet, carries out coded treatment to each repetition data slice, it is thus achieved that the redundant data of each redundancy versions that each primary data sheet is corresponding
Sheet, and on default Transmission Time Interval TTI boundling, by the redundant data of each redundancy versions corresponding for each primary data sheet
Sheet is sent to base station.Business data packet to be transmitted is transmitted by the present embodiment owing to terminal have employed dividing processing mode,
Make business data packet to be transmitted be divided into multiple less primary data sheet, on each TTI, then transmit primary data
The redundant data sheet that sheet is corresponding so that the data volume of the transmission on TTI diminishes so that the bit error rate of business data transmission
Relatively low, such that it is able to improve the accuracy rate of business datum.
A kind of business data transmission system structure schematic diagram that Fig. 8 provides for the embodiment of the present invention.As shown in Figure 8, this is
System includes: terminal 80 and base station 81.
Wherein, the structure that realizes of terminal 80 includes: segmentation module 801, replicated blocks 802, processing module 803 and first
Send module 804.Base station includes: the second receiver module 811.
Specifically effect and annexation about the above-mentioned module of terminal may refer to related content in above-described embodiment
Introduction, here is omitted.
Second receiver module 811 is connected with the first sending module 804 in terminal, and the second receiver module 811 receives terminal
In the redundant data sheet of each redundancy versions corresponding to each primary data sheet that sends of the first sending module 804.
The present embodiment provide business data transmission system, terminal business data packet to be transmitted in rlc layer is divided into
Few two primary data sheets, repeat each primary data sheet according to the number of default redundancy versions, obtain each initially
The repetition data slice of data slice, carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version, and on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.The present embodiment have employed dividing processing mode to business to be transmitted due to terminal
Packet is transmitted so that business data packet to be transmitted is divided into multiple less primary data sheet, then at each TTI
The redundant data sheet that upper transmission primary data sheet is corresponding so that the data volume of the transmission on TTI diminishes so that business number
The bit error rate according to transmission is relatively low, such that it is able to improve the accuracy rate of business datum.
The another kind of business data transmission system structure schematic diagram that Fig. 9 provides for the embodiment of the present invention.As it is shown in figure 9, should
System includes: terminal 90 and base station 91.
The structure that realizes of terminal 90 includes splitting module 901, replicated blocks 902, processing module the 903, first sending module
904, reporting module 905 and the first receiver module 906.
Correspondingly, base station includes the second receiver module 911, judge module the 912, second sending module 913, cache module
914, acquisition module 915, comparison module 916 and demodulation module 917.
First sending module 904 is connected with the second receiver module 911, at the first sending module 904 to the second receiver module
Before 911 send business data packet to be transmitted, need to be measured the transmitting power obtaining self by reporting module 905.Second connects
Receive module 911 to be also connected with reporting module 905, receive the transmitting power that reporting module 905 reports.
Second receiver module 911 is connected with judge module 912, after the second receiver module 911 receives transmitting power, sentences
Disconnected module 912 judges whether to launch power less than the power threshold preset.Specifically, it is judged that module 912 by this transmitting power with
The power threshold preset compares, if launching the power threshold that power is more than or equal to preset, sends mould by second
Block 913 sends the first configuration information to the first receiver module 906.Wherein, this first configuration message instruction terminal uses segmentation portion
Reason mode transmits business data packet to be transmitted.In the present embodiment, if launching power more than or equal to the power door preset
Limit, illustrates that terminal is edge customer.Owing to edge customer is under severe communication environment, transmitting uplink data ability is relatively low, because of
This, need to transmit less data volume, to ensure data transmission quality as far as possible.
If it is determined that module 912 judges that launching power is less than the power threshold preset, the second sending module 913 is to first
Receiver module 906 second configuration message, wherein, this second configuration message is used for indicating terminal to use HARQ mode to transmit to be passed
Defeated business data packet.About the related introduction of HARQ mode, can be found in the record of related content in prior art, the most superfluous
State.
The first receiver module 906 receive for first configuration message time, about segmentation module 901, replicated blocks 902
With the processing procedure of processing module 903, may refer to the introduction of related content in above-described embodiment, here is omitted.
Further, the first sending module 904 is connected with the second receiver module 911, and the second receiver module 911 can receive
The redundant data sheet of each redundancy versions that each primary data sheet is corresponding.Second receiver module 911 is connected with cache module 914,
The each redundant data sheet received is cached by cache module 914.Cache module 914 is connected with acquisition module 915, obtains
Module 915 has received all of redundant data sheet in base station, obtains all of redundant data sheet from this cache module 914, will
All redundant data sheets carry out joint decoding process, obtain joint decoding data.In actual applications, mould is sent first
Block 903 is during the second receiver module 911 transmission of redundant data sheet, it is possible that the part data in redundant data sheet
Mistake or the phenomenon of part loss of data, therefore, can there is certain mistake in the joint decoding data that acquisition module 915 gets
Code check.Acquisition module 915 is during obtaining joint decoding data according to all redundant data sheets, it is also possible to get associating
The bit error rate.
After getting the associating bit error rate, this associating bit error rate is carried out by comparison module 916 with the threshold bit error rate preset
Relatively.If this associating bit error rate is more than this threshold bit error rate, illustrate that business datum to be transmitted wraps in transmitting procedure and data occurs
Mistake or data loss rate are higher, and base station then thinks that these joint decoding data are invalid datas, can abandon this joint decoding
Data.And if this associating bit error rate is less than or equal to this default threshold bit error rate, illustrating that business datum to be transmitted wraps in
Transmitting procedure occurs that error in data or data loss rate are the highest, and base station then thinks that these joint decoding data are valid data.Solve
Associating decoding data is demodulated processing by mode transfer block 917, obtains business data packet to be transmitted.
The present embodiment provide business data transmission system, terminal business data packet to be transmitted in rlc layer is divided into
Few two primary data sheets, repeat each primary data sheet according to the number of default redundancy versions, obtain each initially
The repetition data slice of data slice, carries out coded treatment to each repetition data slice, it is thus achieved that corresponding each superfluous of each primary data sheet
The redundant data sheet of remaining version, and on default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.The present embodiment have employed dividing processing mode to business to be transmitted due to terminal
Packet is transmitted so that business data packet to be transmitted is divided into multiple less primary data sheet, then at each TTI
The redundant data sheet that upper transmission primary data sheet is corresponding so that the data volume of the transmission on TTI diminishes so that business number
The bit error rate according to transmission is relatively low, such that it is able to improve the accuracy rate of business datum.
Further, before terminal transmission business datum, business datum waiting for transmission is split so that
The business datum amount of the upper transmission of TTI is less, reduces the bit error rate of business datum.In the present embodiment, when the mistake of business datum
When code check is less than the threshold bit error rate preset, illustrating that this business datum received is valid data, base station can normally use
This business datum, it is to avoid existing owing to the bit error rate is high in prior art, terminal needs to repeat to transmit the problem of this business datum,
Such that it is able to improve the resource utilization of TTI.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (12)
1. a service data transmission method, it is characterised in that including:
Business data packet to be transmitted in wireless spread-spectrum technology rlc layer is divided at least two primary data sheet by terminal；
Each primary data sheet is repeated by described terminal by each primary data sheet according to the number of default redundancy versions,
To the repetition data slice that each primary data sheet is corresponding；
Described terminal carries out coded treatment to each repetition data slice, it is thus achieved that each redundancy versions that each primary data sheet is corresponding
Redundant data sheet；
Described terminal is on default Transmission Time Interval TTI boundling, by each redundancy versions corresponding for each primary data sheet
Redundant data sheet is sent to base station.
Service data transmission method the most according to claim 1, it is characterised in that described terminal is by wireless spread-spectrum technology
In rlc layer, business data packet to be transmitted includes before being divided at least two primary data sheet:
Transmitting power is reported described base station by described terminal；
Described base station judges that whether described transmitting power is less than the power threshold preset；
If described transmitting power is more than or equal to described power threshold, described base station sends the first configuration to described terminal and disappears
Breath, wherein, described first configuration message is used for indicating described terminal to use dividing processing mode to transmit described business number to be transmitted
According to bag；
Business data packet to be transmitted is divided at least two primary data sheet by described terminal, including:
Described business data packet to be transmitted, according to the instruction of described first configuration message, is divided at the beginning of at least two by described terminal
Beginning data slice.
Service data transmission method the most according to claim 2, it is characterised in that also include:
If described transmitting power is less than described power threshold, described base station is to described terminal transmission the second configuration message, wherein,
Described second configuration message is used for indicating described terminal to use hybrid automatic retransmission HARQ mode to transmit described business number to be transmitted
According to bag.
Service data transmission method the most according to claim 1, it is characterised in that described terminal is in the default transmission time
On the TTI boundling of interval, the redundant data sheet of each redundancy versions corresponding for each primary data sheet is sent to base station, including:
On described TTI boundling, according at least two primary data sheet pair described in the numeric order alternate transport of redundant data sheet
The redundant data sheet of each redundancy versions answered；
Or, on described TTI boundling, transmit described at least two primary data successively according to the numeric order of primary data sheet
The redundant data sheet of each redundancy versions that sheet is corresponding.
5. according to the service data transmission method described in any one of claim 1-4, it is characterised in that described terminal is default
On Transmission Time Interval TTI boundling, the redundant data sheet of each redundancy versions corresponding for each primary data sheet is transferred to base station
Include afterwards:
Described node B cache receives each redundant data sheet；
All redundant data sheets are carried out joint decoding by described base station, obtain joint decoding data and the associating bit error rate；
If the described associating bit error rate is less than or equal to the threshold bit error rate preset, described joint decoding data are solved
Adjust, obtain described business data packet to be transmitted.
6. a terminal, it is characterised in that including:
Segmentation module, for being divided at least two initial number by business data packet waiting for transmission in wireless spread-spectrum technology rlc layer
According to sheet；
Replicated blocks, for carrying out heavily each primary data sheet according to the number of default redundancy versions each primary data sheet
Multiple, obtain the repetition data slice that each primary data sheet is corresponding；
Processing module, for carrying out coded treatment to each repetition data slice, it is thus achieved that each redundancy that each primary data sheet is corresponding
The redundant data sheet of version；
First sending module, at default Transmission Time Interval TTI boundling, by corresponding for each primary data sheet each superfluous
The redundant data sheet of remaining version is sent to base station.
Terminal the most according to claim 6, it is characterised in that also include:
Reporting module, for reporting described base station by transmitting power；
First receiver module, for receiving the first configuration message, described first configuration message be described base station judge described
Send when launching power more than or equal to the power threshold preset；Described first configuration message is used for indicating described terminal to adopt
Described business data packet to be transmitted is transmitted by dividing processing mode；
Described business data packet to be transmitted, specifically for the instruction according to described first configuration message, is split by described segmentation module
Become at least two primary data sheet.
Terminal the most according to claim 7, it is characterised in that described first receiver module is additionally operable to receive described base station and sends out
The the second configuration message sent, wherein, described second configuration message is used for indicating described terminal to use hybrid automatic retransmission HARQ side
Formula transmits described business data packet to be transmitted, and described second configuration message is that described base station is judging that described transmitting power is less than
Send during described power threshold.
Terminal the most according to claim 6, it is characterised in that described first sending module is specifically at described TTI collection
Shu Shang, according to each redundancy versions corresponding at least two primary data sheet described in the numeric order alternate transport of redundant data sheet
Redundant data sheet；Or transmit corresponding each of described at least two primary data sheet successively according to the numeric order of primary data sheet
The redundant data sheet of redundancy versions.
10. a business data transmission system, it is characterised in that including: the terminal described in any one of the claims 7-9 and
Base station；
Wherein, described base station includes:
Second receiver module, for receiving the redundant digit of each redundancy versions corresponding to each primary data sheet of described terminal transmission
According to sheet.
11. business data transmission systems according to claim 10, it is characterised in that described base station also includes: judge mould
Block and the second sending module；
Described second receiver module, is additionally operable to receive the transmitting power that the reporting module in described terminal reports；
Described judge module, for judging that whether described transmitting power is less than the power threshold preset；
Described second sending module, if for described transmitting power more than or equal to described power threshold, to described terminal
Send the first configuration message, and if described transmitting power is less than described power threshold, to described terminal transmission the second configuration
Message.
12. business data transmission systems according to claim 11, it is characterised in that described base station also includes:
Cache module, receives each redundant data sheet for caching；
Acquisition module, for all redundant data sheets carry out joint decoding, obtains joint decoding data and the associating bit error rate；
Comparison module, for comparing the described associating bit error rate and the threshold bit error rate preset；
Demodulation module, if for the described associating bit error rate less than or equal to the threshold bit error rate preset, translated described associating
Code data are demodulated, and obtain described business data packet to be transmitted.
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| CN104811268A (en) * | 2014-01-29 | 2015-07-29 | 上海贝尔股份有限公司 | Method and device for packet retransmission |
| WO2015145780A1 (en) * | 2014-03-28 | 2015-10-01 | 富士通株式会社 | Wireless communication system, base station, terminal, and processing method |
| US20160350175A1 (en) * | 2014-04-30 | 2016-12-01 | Hewlett Packard Enterprise Development Lp | Duplicate data using cyclic redundancy check |
| CN104022856B (en) * | 2014-06-23 | 2017-09-29 | 天津大学 | Reduce the TTI binding method of traffic delay in a kind of TD LTE systems |
| CN105578525B (en) * | 2014-11-07 | 2018-11-02 | 中国移动通信集团公司 | A kind of RLC message fragments method and device |
| WO2016119229A1 (en) * | 2015-01-30 | 2016-08-04 | Mediatek Singapore Pte. Ltd. | Methods for repetition design |
| WO2017080430A1 (en) * | 2015-11-13 | 2017-05-18 | 电信科学技术研究院 | Redundancy version, and change cycle determination and channel estimation method and device therefor |
| CN108809593B (en) * | 2017-05-05 | 2021-01-12 | 华为技术有限公司 | Data transmission method, network equipment and terminal equipment thereof |
| CN108761434B (en) * | 2018-03-27 | 2022-06-28 | 中国电子科技集团公司第二十九研究所 | Pseudo-range measurement method and system based on CDMA downlink signals |
| CN112422686B (en) * | 2020-11-19 | 2023-01-24 | 北京浪潮数据技术有限公司 | Cloud platform optimization method, device, equipment and readable storage medium |
| WO2022120600A1 (en) * | 2020-12-08 | 2022-06-16 | Oppo广东移动通信有限公司 | Repeat transmission method and apparatus, and device and storage medium |
| CN112653539B (en) * | 2020-12-29 | 2023-06-20 | 杭州趣链科技有限公司 | Storage method, device and equipment for data to be stored |
| CN116260891A (en) * | 2022-01-10 | 2023-06-13 | 深圳智慧林网络科技有限公司 | Data transmission method and device based on joint coding |
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