CN110430015A - A kind of group packet error block repeating method based on RS coding checkout information - Google Patents
A kind of group packet error block repeating method based on RS coding checkout information Download PDFInfo
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- CN110430015A CN110430015A CN201910657768.9A CN201910657768A CN110430015A CN 110430015 A CN110430015 A CN 110430015A CN 201910657768 A CN201910657768 A CN 201910657768A CN 110430015 A CN110430015 A CN 110430015A
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- packet
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Classifications
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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
- H04L1/0057—Block codes
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Communication Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to a kind of group packet error block repeating method based on RS coding checkout information, for in complicated signal-to-noise ratio channel communication, RS coded data packet is done piecemeal processing by sender, when recipient receives vicious data, sender need to only retransmit vicious data block, be not required to retransmit entire data packet.Communications efficiency can be improved by the method, and can effectively control error rate level.
Description
Technical field
The present invention relates to a kind of group of packet retransmission methods.
Background technique
With the development of electronics and the communication technology, current communication system requires to get over to the validity and reliability that data are transmitted
Come higher, in order to make system obtain higher communications efficiency and can efficiently control error rate level, the present invention is devised
One kind being based on RS coding checkout information group packet retransmission technology, and the side for once retransmitting entire data packet is replaced by retransmitted data blocks
Method improves communication efficiency.
Group packet retransmission method in traditional communication is whether the RS coding checkout information that judges that recipient receives is wrong
Code needs to inform sender and entire RS coded data packet is retransmitted one when the bit error rate is unsatisfactory for system index requirement
It is secondary.When recipient receives the data packet again, it is possible that other error codes, repeat transmitting-receiving process until meeting system error code
Rate requirement.Because uncertain repeating transmission next time is followed by the data of received correct code, so this process may need repeatedly, can expire
Sufficient performance indicator requirement.This method retransmits entire data packet, and new error code may be introduced in retransmission process, there is communication
The disadvantage that efficiency of transmission is lower and flexibility is inadequate.
Summary of the invention
It is an object of the invention to propose a kind of group packet error block repeating method based on RS coding checkout information.
The technical solution for realizing the aim of the invention is as follows: the initiator of communication establishes communication in such a way that RS is encoded, and sends out
Entire RS coding checkout packet is done piecemeal processing by the side of sending, and marks stamp for each data block, as Mark1, Mark2,
Mark3, Mark4…..MarkN.When RS coding checkout packet after recipient receives piecemeal, RS is carried out to piecemeal packet
Code check is solved, and judges error condition.Errorcode decision method are as follows: be directly multiplexed unknown message data packet to be passed, decoded using RS
Information obtain the errored bit number in piecemeal packet, and obtain entire data package size in conjunction with mass counter, carry out in line computation
Error rate of system is obtained, is counted without sending specific known cycle tests.If it was found that the data received have error code, and
It is unsatisfactory for bit error rate requirement, data block corresponding to the data of recipient's misjudgment at this time, and the label stamp of the data block is recorded,
Such as Markn.The label is stabbed the sender for informing communication by recipient, after sender receives label stamp Markn, just by the number
It is retransmitted once according to block message, until recipient receives data without error code.It does not need correctly to connect other at this time
The data of receipts are sent again, and avoiding the entire data packet of retransmission causes other data block receptions the case where error code occur.
Communications efficiency can be improved in the present invention, and can effectively control error rate level.
Detailed description of the invention
Fig. 1: RS coding checkout information packet.
Fig. 2: piecemeal treated information packet.
Fig. 3: the information packet after record error code data block label stamp.
Fig. 4: traditional RS encoding and decoding communication mode.
Fig. 5: check information group packet retransmission communication mode.
Specific embodiment
As shown in figure 4, the flow chart embodies the key step of traditional RS codec data transmitting-receiving, Fig. 5 describes verification
The main process of information group packet retransmission communication mode.The specific embodiment of the invention is as follows:
Sender carries out RS coding to information source information first, obtains RS coding checkout information packet, data packet schematic diagram
As shown in Figure 1.
Then piecemeal processing is done to the check information, and is stabbed for each data block marking, Mark1, Mark2,
Mark3,.MarkN, data packet schematic diagram is as shown in Figure 2 after piecemeal processing.
Data after piecemeal are transferred to recipient by sender.When recipient receives data, progress RS decoding first,
Then by being multiplexed unknown message data packet to be passed, the errored bit number in piecemeal packet is obtained using the decoded information of RS, and combine
Mass counter obtains entire data package size, carries out that the bit error rate for receiving data is calculated online, and judge the bit error rate
Whether system requirements is met.If receiving data does not have error code or there are error code and meet error rate of system requirement, this is completed
Secondary message transmitting procedure.If receiving data there are error code and is unsatisfactory for error rate of system requirement, there are the data of error code for record
Block label stamp, such as the Markn in Fig. 3.
Label stamp is fed back to sender by recipient at this time, after sender receives label stamp, can be retransmitted
Data block information corresponding to label stamp Markn.After recipient receives Markn data block just with correctly received its
His data block packages processing.Then judge to receive whether error rates of data reaches system requirements again, be completed if up to standard
Communication, then needs to retransmit again if it does not meet the standards, until recipient receives correct data.If retransmitting entire data packet,
Other data blocks other than Markn are it is possible that error code.Then the method only retransmits data corresponding to Markn, improves
Communication efficiency and control error rate level.
Claims (2)
1. a kind of group packet error block repeating method based on RS coding checkout information, it is characterised in that: sender is by data
Packet carries out piecemeal RS check code, and marking is stabbed；Recipient carries out RS to piecemeal packet and solves code check, and judges error condition,
When receiving the data of error code, recording mark stabs and informs sender, and hereafter sender need to only retransmit corresponding presence
The data block of mistake, and whole package informatin need not be retransmitted.
2. a kind of group packet error block repeating method based on RS coding checkout information according to claim 1, special
Sign is: the method for the judgement error code are as follows: error code information is directly multiplexed unknown message data packet to be passed, by being decoded using RS
Information obtains the errored bit number in piecemeal packet, and obtains entire data package size in conjunction with mass counter, and progress is obtained in line computation
To error rate of system, counted without sending specific known cycle tests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657768.9A CN110430015A (en) | 2019-07-20 | 2019-07-20 | A kind of group packet error block repeating method based on RS coding checkout information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657768.9A CN110430015A (en) | 2019-07-20 | 2019-07-20 | A kind of group packet error block repeating method based on RS coding checkout information |
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| CN110430015A true CN110430015A (en) | 2019-11-08 |
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| CN201910657768.9A Pending CN110430015A (en) | 2019-07-20 | 2019-07-20 | A kind of group packet error block repeating method based on RS coding checkout information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025354A (en) * | 2021-11-17 | 2022-02-08 | 圆藏(上海)科技有限公司 | Communication method, system and storage medium for reducing information transmission error code |
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| US20090138775A1 (en) * | 2006-09-13 | 2009-05-28 | Broadcom Corporation | Method for communicating data in xDSL using data retransmission |
| CN101552659A (en) * | 2008-04-01 | 2009-10-07 | 普天信息技术研究院有限公司 | Selecting type data retransmitting method and equipment |
| CN101964694A (en) * | 2010-09-27 | 2011-02-02 | 北京航空航天大学 | System and method for transmitting low interception signal of high-throughput and delay sensibility wireless network |
| CN104092707A (en) * | 2014-07-31 | 2014-10-08 | 中国电子科技集团公司第五十四研究所 | Block verification and acknowledgement-based satellite network TCP (Transmission Control Protocol) performance enhancement method |
| CN107707640A (en) * | 2017-09-25 | 2018-02-16 | 深圳市盛路物联通讯技术有限公司 | A kind of Point-to-Point Data Transmission method and apparatus |
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2019
- 2019-07-20 CN CN201910657768.9A patent/CN110430015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090138775A1 (en) * | 2006-09-13 | 2009-05-28 | Broadcom Corporation | Method for communicating data in xDSL using data retransmission |
| CN101552659A (en) * | 2008-04-01 | 2009-10-07 | 普天信息技术研究院有限公司 | Selecting type data retransmitting method and equipment |
| CN101964694A (en) * | 2010-09-27 | 2011-02-02 | 北京航空航天大学 | System and method for transmitting low interception signal of high-throughput and delay sensibility wireless network |
| CN104092707A (en) * | 2014-07-31 | 2014-10-08 | 中国电子科技集团公司第五十四研究所 | Block verification and acknowledgement-based satellite network TCP (Transmission Control Protocol) performance enhancement method |
| CN107707640A (en) * | 2017-09-25 | 2018-02-16 | 深圳市盛路物联通讯技术有限公司 | A kind of Point-to-Point Data Transmission method and apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025354A (en) * | 2021-11-17 | 2022-02-08 | 圆藏(上海)科技有限公司 | Communication method, system and storage medium for reducing information transmission error code |
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Application publication date: 20191108 |