CN108134654A - A kind of method and device for improving ultra-long data report transmission reliability - Google Patents
A kind of method and device for improving ultra-long data report transmission reliability Download PDFInfo
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- CN108134654A CN108134654A CN201711414945.8A CN201711414945A CN108134654A CN 108134654 A CN108134654 A CN 108134654A CN 201711414945 A CN201711414945 A CN 201711414945A CN 108134654 A CN108134654 A CN 108134654A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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Abstract
The invention belongs to air-ground field of data transmission, it is related to a kind of method and device for improving ultra-long data report transmission reliability, it is intended to improve in transmission process of the existing technology the message error code caused by noise and interference, the problems such as message caused by the confidentiality deficiency of transmission is easily intercepted and captured and is translated by third party, and treatment effeciency caused by message data length is long, data volume is excessive, processing procedure is more complicated is relatively low.Device provided by the invention includes：Transmitting terminal and receiving terminal, for carrying out segmentation parallel processing to the message data of ultra-long data report；The transmitting terminal includes：Data message splits module, data coding module, data interlacing module and data transmission module；The receiving terminal includes：Data reception module, data sectional de-interleaving block, data decoding and error module and data Packet reassembling module.Present invention is mainly applied to flight informations to service air-ground field of data transmission.
Description
Technical field
The invention belongs to air-ground field of data transmission, are related to method and dress that a kind of flight information services air-ground data transmission
Put more particularly to it is a kind of improve ultra-long data report transmission reliability method and device.
Background technology
With the development of air-transport industry, the scale of airline grows stronger day by day, aircraft it is increasing, civil aviaton is aerial
The pressure of traffic administration is increasing, how preferably to manage increasing aircraft, is provided for aircraft as much as possible
The information such as related air traffic situation, traffic above-ground situation, Meteorological Services, flight plan, the complete air-ground data communication of structure
Link realizes air-ground data transmission, and ensures to transmit integrality, correctness and the reliability of data, becomes air traffic control
One of the problem of anxious to be resolved.
Broadcast type flight information service（Flight Information Service-Broadcast, FIS-B）, can incite somebody to action
A variety of flight informations such as weather information, flight information information, cartographic information, consultant's information on ground, pass through air-ground shared data
The mode of link is transmitted to airborne end, realizes air-ground flight information data sharing, and pilot obtains the meteorological data uploaded,
History, aerial, the Ground Meteorological information of current and future are understood in time, is conducive to the implementation and adjustment of flight plan, are improved more
Have referential, scientific weather information service, improve the safety of flight, reduce the delay of flight.
UAT data-links can realize the air-ground data transmission of FIS-B messages, and FIS-B message datas are received from Meteorological Center,
The length of 432 bytes, airborne end is uploaded to radio frequency method, existing since the data message of upload is ultra-long data report
Often there are following defects for technology：
1st, tend to the message error code caused by noise and interference occur in transmission process；
2nd, the confidentiality of transmission is insufficient, the problems such as being intercepted and captured and translated by third party there are message；
3rd, message data length is long, and data volume is excessive, and processing procedure is more complicated, causes treatment effeciency relatively low.
Invention content
The technical problems to be solved by the invention are：In view of the above problems, a kind of raising ultra-long data report is provided
The method and device of transmission reliability, this method and device transmitting terminal by the way that message is split, segment encoding, message hand over
Knit and recombinate, add the processing such as synchronizing sequence after emit, deinterleaved in receiving terminal by the judgement of synchronizing sequence, message and again
Group, segmentation decoding, the processing of former Packet reassembling, finally obtain correct, complete ultra-long data and notify breath, and the present invention specifically solves
Following problem：
1st, the error code problem in message transmission procedure is effectively reduced, while has certain error correcting capability to the error code of appearance；
Even if the 2, message is trapped, it is not easy to be translated, improves the confidentiality and reliability in message transmission procedure；
3rd, in a manner that ultra-long data report is carried out segmentation fractionation and simultaneously and concurrently handle segment data, by the data volume of processing
It substantially reduces, while avoids the processing to excessive unnecessary redundant signals, shorten processing time, improve system
Operation and treatment effeciency.
The technical solution adopted by the present invention is as follows：
A kind of method for improving ultra-long data report transmission reliability, including：
Step 1：Data message splits module according to the ultra-long data report and RS coding rules to be transmitted of input, its message is torn open
It is divided into the data block of equal length；
Step 2：Data coding module carries out segment encoding, by each data according to the data block of fractionation by the way of RS codings
Block is extended；
Step 3：Data interlacing module carries out data interlacing and splicing according to the data block after segment encoding, is formed to be transmitted
New datagrams；
Step 4：Data transmission module adds synchronizing sequence in new datagrams front end, is sent out according to new datagrams to be transmitted
It penetrates；
Step 5：Data reception module synchronizes Sequence Detection, obtains the new datagrams of transmitting according to the datagram of reception；
Step 6：Data sectional de-interleaving block is segmented, is deinterleaved and splicing, obtained according to the new datagrams of acquisition
The data block of segment encoding；
Step 7：Data decoding and error module carries out RS decoding and error processing, corrects in transmission process according to the data block of acquisition
The error code problem being likely to occur obtains original data block；
Step 8：Data message recombination module recombinates datagram, obtains former according to the original data block after decoding and error
Beginning ultra-long data report.
Further, the message length that the step 1 specifically includes the ultra-long data report to be transmitted is 432 words
Section, the data message split module according to RS（92,72）Coding rule splits into the ultra-long data message of input in order
Data block of the length for 6 equal lengths of 72 bytes, wherein, each data block is corresponding in turn to former ultra-long data message from high by 72
Byte is to the data of low 72 byte.
Further, the step 2 specifically includes data coding module according to the data that 6 length of fractionation are 72 bytes
Block, using RS（92,72）The mode of coding carries out segment encoding, and the data block of former 72 bytes is extended to 92 bytes.
Further, step 3 specific steps include the data interlacing module according to from highest byte to Least Significant Character
The data of 6 new data blocks after the sequence extraction coding of section, extract the highest byte of 6 new data blocks, then extract first
Secondly high byte, is then extracted successively until its lowest byte；Data interlacing module is successively by the data of extraction according to from highest
The mode of byte to lowest byte is interleaved splicing, the high byte of the high byte data interlacing of extraction to new data message, low
Byte data interweaves to the low byte of new data message, i.e., the highest byte of 6 new data blocks of extraction interweaves successively first
As 6 bytes of highest of new data message to be transmitted, then the byte-interleaved of extract successively 6 new data blocks is become
Each byte of new data message to be transmitted interweaves successively until by the lowest byte for 6 new data blocks extracted as to be passed
Until minimum 6 bytes of defeated new data message.
Further, step 5 specific steps include the data reception module according to the datagram of reception, by turn into
Row synchronizing sequence detects, and when the datagram top N data of reception and the synchronizing sequence of standard match, detects successfully, then connects
Receive followed by transmission data, it is believed that the data be exactly data transmission module transmitting new datagrams；When the datagram of reception
When the synchronizing sequence of top N data and standard mismatches, detection failure then continues to be detected the datagram of reception.
Further, step 6 specific steps, which include the data sectional de-interleaving block, to receive the new number obtained
It according to the sequence from high byte to low byte extracts and deinterleaves according to report, extract 6 bytes of new datagrams highest, again first
It extracts secondly high 6 bytes and then is extracted successively until its minimum 6 byte, correspond to the highest word for inserting 6 data blocks respectively
Section, secondary high byte, successively until lowest byte；Data sectional de-interleaving block is by the data after extraction and deinterleaving according to each number
It is recombinated according to high-low-position sequence in block, obtains the data of 6 data blocks of segment encoding transmission, each data block is 92 words
Section.
Further, the step 7 specifically includes data decoding and error module according to RS（92,72）Decoding rule to 6
The data of a data block are carried out at the same time decoding and error correction, obtain 6 original data blocks, and each data block is original for 72 bytes
Data.
Further, the step 8 specifically includes data message recombination module by 6 original data blocks after decoding and error
Data spliced according to the sequence from high byte to low byte, synthesize original ultra-long data report.
A kind of device for improving ultra-long data report transmission reliability, including transmitting terminal and receiving terminal；The transmitting terminal includes：
Data message splits module, data coding module, data interlacing module and data transmission module, each module and connects in order
It connects；The receiving terminal includes：Data reception module, data sectional de-interleaving block, data decoding and error module and data message
Recombination module, each module are linked in sequence；The data message splits module for the overlength to be transmitted according to input
Its message is split into the data block of equal length by datagram and RS coding rules；The data coding module is used for basis and tears open
The data block divided carries out segment encoding by the way of RS codings, each data block is extended；The data interlacing module is used
In carrying out data interlacing and splicing according to the data block after segment encoding, new datagrams to be transmitted are formed；The data
Transmitting module is used for according to new datagrams to be transmitted, is added synchronizing sequence in new datagrams front end, is emitted；The data
Receiving module is used to receive the datagram of data transmission module transmitting, according to the datagram of reception, synchronizes Sequence Detection, obtains
The new datagrams that must emit；The data sectional de-interleaving block is used for the new datagrams according to acquisition, is segmented, deinterleaved
And splicing, obtain the data block of segment encoding；The data decoding and error module is used for the data block according to acquisition, carries out
The processing of RS decoding and errors, corrects the error code problem being likely to occur in transmission process, obtains original data block；The data message weight
Group module is used for according to the original data block after decoding and error, and datagram is recombinated, obtains original ultra-long data report.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, for being susceptible in ultra-long data report message transmission procedure due to the message error code caused by noise and interference the problem of,
Employ RS encoding and decoding techniques.In transmitting terminal by RS coding techniques, message is subjected to coding transmission, by the side for increasing redundancy
Formula protects the message of transmission into between-line spacing, improves the reliability in transmission process, effectively reduces in message transmission procedure
Error code problem, while receiving terminal by RS decoding techniques carry out de-redundancy and decoding correction process, correct for biography well
The message error code caused by noise and interference during defeated；
2nd, the problems such as being intercepted and captured and translated by third party for message employs the recombination of message intertexture and deinterleaves recombinant technique, lead to
It crosses after the message of each data block is interleaved recombination and emits again, upset the sequence of original message, even if being cut by third party
It obtains, it is also more difficult to translate, it is especially suitable in FIS-B messages comprising flight plan, flight information when consultants' information, improves message and pass
Confidentiality and reliability during defeated；
3rd, long for message data length, data volume is excessive, and processing procedure is more complicated, the problems such as cause treatment effeciency low,
Message is split first in processing procedure, splits into 6 data blocks of suitable RS coding, by the length of data processing from
432 bytes are reduced to 72 bytes；And 6 data blocks can carry out the processing of RS codings and the recombination that interweaves parallel, compare
In the processing mode of sequential pipeline, 1/6 be equivalent to before the time of signal processing is shorten to；Similarly, receiving terminal obtains
After synchronizing sequence, the message of transmission to be extracted, has been split into 6 data blocks, the data volume of processing reduces 6 times, meanwhile, by
In 6 data blocks RS decodings and deinterleave recombination and be carried out at the same time, time of processing also shorten to before 1/6.The present invention
Signal processing amount is reduced in transmitting terminal and receiving terminal, shortens processing time, improves treatment effeciency, and by emitting
End is increased synchronizing sequence in ultra-long data report front end, is judged ultra-long data report to auxiliary reception end using synchronizing sequence technology
Start of message (SOM), effectively enroll overlength message data, further reduced the data volume of processing.Since signal transmission is identical
Channel if effectively synchronizing sequence cannot be identified, illustrates that channel quality is too poor or error code is excessive, then this message
Just without the meaning for decoding and parsing, can give up, so as to avoid the processing of excessive unnecessary redundant signals.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the flow diagram of the method for the present invention embodiment 1；
Fig. 2 is the idiographic flow schematic diagram of 1 step 101 ~ 104 of embodiment of the method shown in Fig. 1；
Fig. 3 is the idiographic flow schematic diagram of 1 step 105 ~ 108 of embodiment of the method shown in Fig. 1；
Fig. 4 is the structure diagram of apparatus of the present invention embodiment.
Specific embodiment
All features or disclosed all methods disclosed in this specification or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification, unless specifically stated, can be equivalent by other or with similar purpose
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
The present invention a preferred embodiment 1 flow diagram as shown in Figure 1, its specific steps are：
Step 101：Segmentation splits ultra-long data report, i.e., will according to the ultra-long data report and RS coding rules to be transmitted of input
Its message splits into the data block of equal length；
Step 102：Segment encoding that is, according to the data block of fractionation, carries out segment encoding, by each data by the way of RS codings
Block is extended；
Step 103：Data interlacing and recombination carry out data interlacing and splicing, shape according to the data block after segment encoding
Into new datagrams to be transmitted；
Step 104：Addition synchronizing sequence simultaneously emits, i.e., according to new datagrams to be transmitted, adds and synchronize in new datagrams front end
Sequence is emitted；
Step 105：Synchronizing sequence detects, i.e., according to the datagram of reception, synchronizes Sequence Detection, obtain the new data of transmitting
Report；
Step 106：Segmentation deinterleaves and recombination, i.e., according to the new datagrams of acquisition, is segmented, deinterleaved and splicing,
Obtain the data block of segment encoding；
Step 107：Decoding and error that is, according to the data block of acquisition, carries out RS decoding and error processing, and correcting may in transmission process
The error code problem of appearance obtains original data block；
Step 108：Packet reassembling obtains original ultra-long data report, i.e., according to the original data block after decoding and error, to datagram
It is recombinated, obtains original ultra-long data report.
Specifically, the flow diagram of 1 step 101 ~ 104 of embodiment is as shown in Fig. 2, include the following steps：
Step 101：The ultra-long data report to be transmitted of input, data length totally 432 bytes, is identified as FIS_DATA [431:
0], according to RS（92,72）Coding rule the ultra-long data message of 432 bytes is split in order, then each data
Block length is 72 bytes, 432 ÷ 72=6, therefore be split as 6 identical data blocks of length altogether；First data block be
BLOCK1[71:0], the data for 72 bytes of offering a high price including former ultra-long data, i.e. BLOCK1 [71:0]=FIS_DATA [431:
360], and so on, second data block BLOCK2 [71:0]=FIS_DATA [359:288], third data block BLOCK3
[71:0]=FIS_DATA [287:216], fourth data block BLOCK4 [71:0]=FIS_DATA [215:144], the 5th
Data block BLOCK5 [71:0]=FIS_DATA [143:72], the 6th data block BLOCK6 [71:0]=FIS_DATA [71:
0].As the preferred embodiment of the present invention, since message being split, 6 data blocks that RS has been suitble to encode are split into,
The length of data processing is reduced to 72 bytes, and 6 data blocks can carry out RS codings and friendship parallel from 432 bytes
The processing of recombination is knitted, compared to the processing mode of sequential pipeline, 1/ be equivalent to before the time of signal processing is shorten to
6, processing procedure is greatly simplified, improves treatment effeciency.
Step 102：According to the data block that the 6 of fractionation length are 72 bytes, using RS（92,72）The mode of coding carries out
The data block of former 72 bytes is extended to 92 bytes, i.e. BLOCK1 [71 by segment encoding:0] through RS（92,72）Become after coding
RS_encoder1[91:0], BLOCK2 [71:0] become RS_encoder2 [91:0], BLOCK3 [71:0] become RS_
encoder3[91:0], BLOCK4 [71:0] become RS_encoder4 [91:0], BLOCK5 [71:0] become RS_
encoder5[91:0], BLOCK6 [71:0] become RS_encoder6 [91:0].As the present invention preferred embodiment, due to
In transmitting terminal by RS coding techniques, message is subjected to coding transmission, the message of transmission is carried out by way of increasing redundancy
Interval protection, improves the reliability in transmission process, effectively reduces the error code problem in message transmission procedure.
Step 103：The data of 6 new data blocks after being encoded according to the sequence extraction from highest byte to lowest byte,
The highest byte of 6 new data blocks is extracted first, is then extracted next high byte, is then extracted successively until its lowest byte,
RS_encoder1 [91 is extracted first:0] highest byte RS_encoder1 [91], RS_encoder2 [91:0] highest
Byte RS_encoder2 [91], RS_encoder3 [91:0] highest byte RS_encoder3 [91], RS_encoder4
[91:0] highest byte RS_encoder4 [91], RS_encoder5 [91:Highest byte RS_encoder5 [91] 0],
RS_encoder6[91:0] highest byte RS_encoder6 [91] then sequentially extracts RS_encoder1 [90], RS_
Encoder2 [90], RS_encoder3 [90], RS_encoder4 [90], RS_encoder5 [90], RS_encoder6 [90],
Then it extracts successively until lowest byte RS_encoder1 [0], RS_encoder2 [0], RS_encoder3 [0], RS_
encoder4[0]、RS_encoder5[0]、RS_encoder6[0]；Data interlacing module successively by the data of extraction according to from
The mode of highest byte to lowest byte is interleaved splicing, and since each data block is 92 bytes, what is be spliced into is new
Data message is 552 bytes, is identified as TRANS_DATA [551:0], data interlacing module hands over the high byte data of extraction
It knits to the high byte of new data message, the low byte of low byte data interlacing to new data message, i.e., it is new by 6 of extraction first
Highest byte RS_encoder1 [91], RS_encoder2 [91], RS_encoder3 [91], the RS_encoder4 of data block
[91], RS_encoder5 [91], RS_encoder6 [91] interweave successively as new data message TRANS_DATA to be transmitted
[551:0] 6 byte TRANS_DATA [551 of highest:546], wherein TRANS_DATA [551]=RS_encoder1 [91],
TRANS_DATA [550]=RS_encoder2 [91], TRANS_DATA [549]=RS_encoder3 [91], TRANS_DATA
[548]=RS_encoder4 [91], TRANS_DATA [547]=RS_encoder5 [91], TRANS_DATA [546]=RS_
Then the byte-interleaved of extract successively 6 new data blocks is become each of new data message to be transmitted by encoder6 [91]
Byte, until the lowest byte RS_encoder1 [0] of 6 new data blocks, RS_encoder2 [0], the RS_ that will extract
Encoder3 [0], RS_encoder4 [0], RS_encoder5 [0], RS_encoder6 [0] interweave successively as to be transmitted
New data message TRANS_DATA [551:0] minimum 6 byte TRANS_DATA [5:0] until, wherein TRANS_DATA [5]
=RS_encoder1 [0], TRANS_DATA [4]=RS_encoder2 [0], TRANS_DATA [3]=RS_encoder3 [0],
TRANS_DATA [2]=RS_encoder4 [0], TRANS_DATA [1]=RS_encoder5 [0], TRANS_DATA [0]=
RS_encoder6[0].As the preferred embodiment of the present invention, as a result of message intertexture recombinant technique, by by each number
Emit again after being interleaved recombination according to the message of block, upset the sequence of original message, it is also more difficult to translate even if being intercepted and captured by third party
Go out, be particluarly suitable in FIS-B messages comprising flight plan, flight information when consultants' information, improving in message transmission procedure
Confidentiality and reliability.
Step 104：I.e. according to new datagrams TRANS_DATA [551 to be transmitted:0], 36 are added in new datagrams front end
The synchronizing sequence " 111010101100110111011010010011100010 " of bit, 36 are extended to by datagram to be transmitted
+ 552 × 8=4452 bit is emitted.As the preferred embodiment of the present invention, due to being added to together in datagram front end
Step sequence increases the confidentiality of transmission well, meanwhile, by using synchronizing sequence technology in transmitting terminal, in ultra-long data
Front end is reported to increase synchronizing sequence, to the start of message (SOM) of auxiliary reception end judgement ultra-long data report, effectively enrolls overlength message number
According to further reduced the data volume of processing.
Specifically, the flow diagram of 1 step 105 ~ 108 of embodiment is as shown in figure 3, include the following steps：
Step 105：According to the datagram of reception, the synchronizing sequence detection of 36 bits is carried out by turn, 36 before the datagram of reception
When the synchronizing sequence " 111010101100110111011010010011100010 " of position data and standard matches, detect into
Work(, then receive followed by 552 bytes totally 552 × 8=4416 bits transmission data, it is believed that the data are exactly data hair
Penetrate the new datagrams TRANS_DATA [551 of 552 bytes of module transmitting:0]；36 data and mark before the datagram of reception
When accurate synchronizing sequence " 111010101100110111011010010011100010 " mismatches, detection failure then continues pair
The datagram of reception is detected.As the preferred embodiment of the present invention, since signal transmission is identical channel, if cannot
Effectively synchronizing sequence is identified, illustrates that channel quality is too poor or error code is excessive, then this message just without decoding and
The meaning of parsing can be given up, and so as to avoid the processing of excessive unnecessary redundant signals, further improve at data
Manage efficiency.
Step 106：The new datagrams TRANS_DATA [551 of 552 bytes obtained will be received:0] according to from high byte
Sequence to low byte is extracted and is deinterleaved, and extracts new datagrams TRANS_DATA [551 first:0] 6 words of highest
Section extracts secondly high 6 bytes and then is extracted successively until its minimum 6 byte again, corresponding respectively to insert 6 data blocks
Highest byte, secondary high byte, successively until lowest byte, that is, extract TRANS_DATA [551] insert RS_decoder1 [91],
TRANS_DATA [550] inserts RS_decoder2 [91], TRANS_DATA [549] inserts RS_decoder3 [91], TRANS_
DATA [548] inserts RS_decoder4 [91], TRANS_DATA [547] inserts RS_decoder5 [91], TRANS_DATA
[546] RS_decoder6 [91] is inserted successively until extraction TRANS_DATA [5] inserts RS_decoder1 [0], TRANS_
DATA [4] inserts RS_decoder2 [0], TRANS_DATA [3] inserts RS_decoder3 [0], TRANS_DATA [2] is inserted
RS_decoder4 [0], TRANS_DATA [1] insert RS_decoder5 [0], TRANS_DATA [0] inserts RS_decoder6
[0]；Data after extraction and deinterleaving according to high-low-position sequence in each data block are recombinated, obtain segment encoding transmission
The data of 6 data blocks, each data block are 92 bytes, are identified as RS_decoder1 [91:0]、RS_decoder2[91:
0]、RS_decoder3[91:0]、RS_decoder4[91:0]、RS_decoder5[91:0] and RS_decoder6 [91:0].
As the preferred embodiment of the present invention, after receiving terminal obtains synchronizing sequence, the message of transmission is extracted, has been split into 6 numbers
According to block, the data volume of processing reduces 6 times.
Step 107：According to RS（92,72）Decoding rule to 6 data block RS_decoder1 [91:0]、RS_
decoder2[91:0]、RS_decoder3[91:0]、RS_decoder4[91:0]、RS_decoder5[91:0] and RS_
decoder6[91:0] data are carried out at the same time decoding and error correction, correct the error code problem being likely to occur in transmission process, improve
The reliability of transmission obtains 6 original data blocks, initial data of each data block for 72 bytes, i.e. RS_decoder1
[91:0] data block BLOCK1 [71 is obtained after decoding:0], RS_decoder2 [91:0] data block BLOCK2 is obtained after decoding
[71:0], RS_decoder3 [91:0] data block BLOCK3 [71 is obtained after decoding:0], RS_decoder4 [91:0] after decoding
Obtain data block BLOCK4 [71:0], RS_decoder5 [91:0] data block BLOCK5 [71 is obtained after decoding:0], RS_
decoder6[91:0] data block BLOCK6 [71 is obtained after decoding:0].As the preferred embodiment of the present invention, due to receiving
Message is carried out de-redundancy and decoding correction process, is corrected for well in transmission process due to making an uproar by end by RS decoding techniques
Message error code caused by sound and interference is carried out at the same time simultaneously as the RS of 6 data blocks decodes and deinterleave recombination, handles
Time also shorten to before 1/6.
Step 108：By 6 original data block BLOCK1 [71 after decoding and error:0]、BLOCK2[71:0]、 BLOCK3
[71:0]、BLOCK4[71:0]、BLOCK5[71:0] and BLOCK6 [71:0] data are according to suitable from high byte to low byte
Sequence is spliced, and is synthesized original ultra-long data and is reported FIS_DATA [431:0], wherein first data block BLOCK1 [71:0]=
FIS_DATA[431:360], second data block BLOCK2 [71:0]=FIS_DATA [359:288], third data block
BLOCK3[71:0]=FIS_DATA [287:216], fourth data block BLOCK4 [71:0]=FIS_DATA [215:144],
5th data block BLOCK5 [71:0]=FIS_DATA [143:72], the 6th data block BLOCK6 [71:0]=FIS_DATA
[71:0]。
The structure diagram of the device embodiment of the present invention is as shown in figure 4, the device embodiment can be used for realizing
The method flow that Fig. 1 or Fig. 2 or shown in Fig. 3 improve ultra-long data report transmission reliability is stated, including transmitting terminal and receiving terminal；Institute
Transmitting terminal is stated to include：Data message splits module 401, data coding module 402, data interlacing module 403 and data transmitting mould
Block 404, each module are linked in sequence；The receiving terminal includes：Data reception module 405, data sectional de-interleaving block
406th, data decoding and error module 407 and data Packet reassembling module 408, each module are linked in sequence；The datagram
Text splits module 401 for ultra-long data report and RS coding rules to be transmitted according to input, its message is split into identical
The data block of length；The data coding module 402 is used for the data block according to fractionation, is segmented by the way of RS codings
Coding, each data block is extended；The data interlacing module 403 is used to carry out data according to the data block after segment encoding
Intertexture and splicing, form new datagrams to be transmitted；The data transmission module 404 is used for according to new data to be transmitted
Report adds synchronizing sequence in new datagrams front end, is emitted；The data reception module 405 emits mould for receiving data
The datagram that block 404 emits, according to the datagram of reception, synchronizes Sequence Detection, obtains the new datagrams of transmitting；The number
It is used for according to segmentation de-interleaving block 406 according to the new datagrams of acquisition, is segmented, deinterleaved and splicing, is segmented
The data block of coding；The data decoding and error module 407 is used for the data block according to acquisition, carries out RS decoding and error processing,
The error code problem being likely to occur in transmission process is corrected, obtains original data block；The data message recombination module 408 is used for root
According to the original data block after decoding and error, datagram is recombinated, obtains original ultra-long data report.
The invention is not limited in aforementioned specific embodiments.The present invention, which expands to, any in the present specification to be disclosed
The step of new feature or any new combination and any new method or process disclosed or any new combination.
Claims (9)
- A kind of 1. method for improving ultra-long data report transmission reliability, it is characterised in that including：Step 1：Data message splits module according to the ultra-long data report and RS coding rules to be transmitted of input, its message is torn open It is divided into the data block of equal length；Step 2：Data coding module carries out segment encoding, by each data according to the data block of fractionation by the way of RS codings Block is extended；Step 3：Data interlacing module carries out data interlacing and splicing according to the data block after segment encoding, is formed to be transmitted New datagrams；Step 4：Data transmission module adds synchronizing sequence in new datagrams front end, is sent out according to new datagrams to be transmitted It penetrates；Step 5：Data reception module synchronizes Sequence Detection, obtains the new datagrams of transmitting according to the datagram of reception；Step 6：Data sectional de-interleaving block is segmented, is deinterleaved and splicing, obtained according to the new datagrams of acquisition The data block of segment encoding；Step 7：Data decoding and error module carries out RS decoding and error processing, corrects in transmission process according to the data block of acquisition The error code problem being likely to occur obtains original data block；Step 8：Data message recombination module recombinates datagram, obtains former according to the original data block after decoding and error Beginning ultra-long data report.
- A kind of 2. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 1 message length for specifically including the ultra-long data report to be transmitted is 432 bytes, and the data message splits module root According to RS（92,72）The ultra-long data message of input is split into 6 identical length of the length for 72 bytes by coding rule in order The data block of degree, wherein, each data block is corresponding in turn to former ultra-long data message from high 72 byte to the data of low 72 byte.
- A kind of 3. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 2 specifically include data coding module according to the data block that 6 length of fractionation are 72 bytes, using RS（92,72）Coding Mode carries out segment encoding, and the data block of former 72 bytes is extended to 92 bytes.
- A kind of 4. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 3 specific steps include the data interlacing module according to 6 after the sequence extraction coding from highest byte to lowest byte The data of new data block extract the highest byte of 6 new data blocks, then extract next high byte, then extract successively first Until its lowest byte；Data interlacing module successively carries out the data of extraction in the way of from highest byte to lowest byte Interweave splicing, the high byte data interlacing of extraction to the high byte of new data message, low byte data interlacing to new data message Low byte, i.e., the highest byte of 6 new data blocks of extraction is interweaved successively as new data message to be transmitted first Then the byte-interleaved of extract successively 6 new data blocks is become each word of new data message to be transmitted by 6 bytes of highest Section interweaves successively until by the lowest byte for 6 new data blocks extracted as minimum 6 words of new data message to be transmitted Until section.
- A kind of 5. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 5 specific steps include the data reception module according to the datagram of reception, Sequence Detection are synchronized by turn, when reception When the synchronizing sequence of datagram top N data and standard matches, detect successfully, then receive followed by transmission data, recognize It is exactly the new datagrams of data transmission module transmitting for the data；When the datagram top N data of reception sequence synchronous with standard When row mismatch, detection failure then continues to be detected the datagram of reception.
- A kind of 6. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 6 specific steps, which include the data sectional de-interleaving block, will receive the new datagrams obtained according to from high byte to low byte Sequence extract and deinterleave, extract new datagrams highest 6 bytes first, extract secondly high 6 bytes, Ran Houyi again Secondary extraction corresponds to the highest byte for inserting 6 data blocks, secondary high byte, successively until minimum respectively until its minimum 6 byte Byte；Data after extraction and deinterleaving are carried out weight by data sectional de-interleaving block according to high-low-position sequence in each data block Group, obtains the data of 6 data blocks of segment encoding transmission, and each data block is 92 bytes.
- A kind of 7. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 7 specifically include data decoding and error module according to RS（92,72）Decoding rule solution is carried out at the same time to the data of 6 data blocks Code and error correction obtain 6 original data blocks, initial data of each data block for 72 bytes.
- A kind of 8. method for improving ultra-long data report transmission reliability according to claim 1, it is characterised in that the step Rapid 8 specifically include data message recombination module by the data of 6 original data blocks after decoding and error according to from high byte to low The sequence of byte is spliced, and synthesizes original ultra-long data report.
- 9. a kind of device for improving ultra-long data report transmission reliability, it is characterised in that including transmitting terminal and receiving terminal；The hair End is penetrated to include：Data message splits module, data coding module, data interlacing module and data transmission module, each module It is linked in sequence；The receiving terminal includes：Data reception module, data sectional de-interleaving block, data decoding and error module and Data message recombination module, each module are linked in sequence；The data message splits module and is used for according to the to be passed of input Its message is split into the data block of equal length by defeated ultra-long data report and RS coding rules；The data coding module is used In the data block according to fractionation, segment encoding is carried out by the way of RS codings, each data block is extended；The data are handed over Module is knitted for carrying out data interlacing and splicing according to the data block after segment encoding, forms new datagrams to be transmitted； The data transmission module is used for according to new datagrams to be transmitted, is added synchronizing sequence in new datagrams front end, is emitted； The data reception module is used to receive the datagram of data transmission module transmitting, according to the datagram of reception, synchronizes sequence Row detection obtains the new datagrams of transmitting；The data sectional de-interleaving block is used for the new datagrams according to acquisition, is divided Section, deinterleaving and splicing obtain the data block of segment encoding；The data decoding and error module is used for the number according to acquisition According to block, RS decoding and error processing is carried out, corrects the error code problem being likely to occur in transmission process, obtains original data block；It is described Data message recombination module is used for according to the original data block after decoding and error, and datagram is recombinated, obtains original overlength Datagram.
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