CN103957048A - Method for preventing wireless batch received and transmitted data loss through frame structure - Google Patents
Method for preventing wireless batch received and transmitted data loss through frame structure Download PDFInfo
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- CN103957048A CN103957048A CN201410191975.7A CN201410191975A CN103957048A CN 103957048 A CN103957048 A CN 103957048A CN 201410191975 A CN201410191975 A CN 201410191975A CN 103957048 A CN103957048 A CN 103957048A
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Abstract
The invention provides a method for preventing wireless batch received and transmitted data loss through a frame structure. A big data packet to be sent is divided into a plurality of small data packets, and each data packet is a frame; transmitted information is packaged into data of each frame; the data are sent with each frame as a unit; a receiving end checks each frame of data after receiving the frame of data, and if the data are normal, the frame structure is divided and the data are saved; if the data are abnormal, the serial numbers of abnormal frames are saved, and receiving is continued; statistics is performed on the received normal frames, the abnormal frames are added up, and the serial numbers of the abnormal frames are fed back to a transmitting end after the abnormal frames are added up; error data frames are required to be transmitted again till all the normal frames are received. Through the method, data loss in the transmission process can be effectively prevented, and the receiving and transmitting time for a large amount of data to be wirelessly received and transmitted in interference can be shortened.
Description
Technical field
The present invention relates to communication technique field, particularly a kind of frame structure that utilizes prevents radio receipts biography loss of data or wrong method in batches.
Background technology
In the time of wireless transmission data in enormous quantities, depositing in wireless data transmission environments disturbed greatly by extraneous factor, so often there is transfer of data Loss, easily cause data transmission fault or imperfect, and when transfer of data in enormous quantities, because of indivedual error in data all repeating transmission easily cause time and channel resource to waste.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence makes improvements, be that the technical problem to be solved in the present invention is to provide the method that loss or error of transmission occur while utilizing frame structure to prevent radio batch receipts biography data, this method can effectively prevent loss of data in transmitting procedure.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
Utilize frame structure to prevent that radio from a method for loss or error of transmission occurring while receiving in batches biography data, large packet is split into some small data packets, each packet is a frame; Encapsulated delivery information on each frame; Send data taking every frame as a unit; Receiving terminal carries out verification after receiving each frame data, if data normally, split frame structure and extract data, save data; If undesired, preserve undesired number of frames, continue to receive; The normal frame that statistics receives, accumulative total goes out improper frame, after totaling, improper number of frames is returned to the transmitting terminal of feeding; And require again to launch erroneous frame, until receive all normal frame.Therefore, can effectively prevent loss of data or error of transmission in transmitting procedure.
Packaging information on each frame comprises lead code, total packet length, number of frames, small data packets content, frame check code; If last frame data, last frame encapsulation end mark, total packet length, number of frames, small data packets content, frame check code.
The present invention utilizes frame structure to prevent radio receipts biography loss of data method in batches, adopts and splits packing principle, has really realized the correct complete transmission of data.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is transfer of data flow process figure of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further detailed explanation.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, the present invention discloses a kind of frame structure that utilizes and prevents that radio batch receipts from passing the method for loss of data or error of transmission, adopted large packet is split into some small data packets, i.e. frame.Each frame encapsulates lead code, total packet length, number of frames, small data packets content, frame check code again; If last frame data, last frame encapsulation end mark, total packet length, number of frames, small data packets content, frame check code.Send data taking every frame as unit, at receiving terminal, receive checking data after each frame data.If data normally, split frame structure, save data; If undesired, preserve undesired number of frames, continue to receive, until receive whole frames or receive time-out.At this moment the normal frame that statistics receives, if all normally receive data, save data.If there is abnormal frame information, add up improper frame, after totaling, return the transmitting terminal of feeding.Require again to launch erroneous frame, thereby prevent data transmission mistake.
One of the present invention utilizes frame structure to prevent radio receipts biography loss of data method in batches, effectively realize the complete and accurate transmission of data, avoid data message in enormous quantities to transmit together the appearance loss of data or the error of transmission that under some interference environments, are prone to especially, and verification received frame repeatedly, guarantee that data do not omit.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. utilize frame structure to prevent a radio receipts biography loss of data method in batches, it is characterized in that:
Large packet is split into some small data packets, and each packet is a frame;
Encapsulated delivery information on each frame;
Send data taking every frame as a unit;
Receiving terminal carries out verification after receiving each frame data, if data normally, split frame structure, save data; If undesired, preserve undesired number of frames, continue to receive;
The normal frame that receives of statistics, accumulative total goes out improper frame, totals rear improper number of frames to be returned to the transmitting terminal of feeding;
And require again to launch erroneous frame, until receive normal frame.
2. the frame structure that utilizes according to claim 1 prevents radio receipts biography loss of data method in batches, it is characterized in that: the packaging information on each frame comprises lead code, total packet length, number of frames, small data packets content, frame check code; If last frame data, last frame encapsulation end mark, total packet length, number of frames, small data packets content, frame check code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191975.7A CN103957048A (en) | 2014-05-07 | 2014-05-07 | Method for preventing wireless batch received and transmitted data loss through frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410191975.7A CN103957048A (en) | 2014-05-07 | 2014-05-07 | Method for preventing wireless batch received and transmitted data loss through frame structure |
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| Publication Number | Publication Date |
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| CN103957048A true CN103957048A (en) | 2014-07-30 |
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| CN201410191975.7A Pending CN103957048A (en) | 2014-05-07 | 2014-05-07 | Method for preventing wireless batch received and transmitted data loss through frame structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852780A (en) * | 2015-02-10 | 2015-08-19 | 数据通信科学技术研究所 | In-band data transmission method and system |
| CN111162857A (en) * | 2019-12-23 | 2020-05-15 | 成都德芯数字科技股份有限公司 | Data packet receiving method and device and frequency modulation emergency broadcasting system |
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| CN101764730A (en) * | 2009-12-18 | 2010-06-30 | 航天东方红卫星有限公司 | CAN bus data transmission method |
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| CN1162227A (en) * | 1996-02-05 | 1997-10-15 | 索尼公司 | Data structure, data communication method, equipment and communication terminal equipment |
| CN101764730A (en) * | 2009-12-18 | 2010-06-30 | 航天东方红卫星有限公司 | CAN bus data transmission method |
| CN102983884A (en) * | 2011-09-05 | 2013-03-20 | 国民技术股份有限公司 | A method for transmitting data via a magnetic channel |
| US20130064312A1 (en) * | 2011-09-13 | 2013-03-14 | Huawei Technologies Co., Ltd. | Data transmission method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852780A (en) * | 2015-02-10 | 2015-08-19 | 数据通信科学技术研究所 | In-band data transmission method and system |
| CN111162857A (en) * | 2019-12-23 | 2020-05-15 | 成都德芯数字科技股份有限公司 | Data packet receiving method and device and frequency modulation emergency broadcasting system |
| CN111162857B (en) * | 2019-12-23 | 2022-03-11 | 成都德芯数字科技股份有限公司 | Data packet receiving method and device and frequency modulation emergency broadcasting system |
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Application publication date: 20140730 |