CN106850001A - A kind of dynamic data transmission method and system for Bluetooth broadcast - Google Patents
A kind of dynamic data transmission method and system for Bluetooth broadcast Download PDFInfo
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- CN106850001A CN106850001A CN201710009128.8A CN201710009128A CN106850001A CN 106850001 A CN106850001 A CN 106850001A CN 201710009128 A CN201710009128 A CN 201710009128A CN 106850001 A CN106850001 A CN 106850001A
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- 108010001267 Protein Subunits Proteins 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of dynamic data transmission method and system for Bluetooth broadcast.The method includes：Transmitting terminal obtains new data, and the new-data flag that n-th is obtained is the n-th data；Transmitting terminal sends packet, and packet is setting value comprising the n-th t data to the n-th data, the numbering n, t of transmission times.After receiving terminal receives data, judge whether the numbering of the data that the numbering in data was received with last time is continuous；If discontinuous, the numbering of the data that will be received twice is subtracted each other, and obtains losing the number of data；The n-th a+1 data to the n-th data in the data that extraction is received, a is the number for losing data；If continuous, the n-th data in the data for receiving are extracted.Provided by the present invention for the dynamic data transmission method and system of Bluetooth broadcast, application of the Bluetooth technology in dynamic data transmission is realized, both ensured the security reliability of data transfer, the low-power consumption of data transfer has been ensured again.
Description
Technical field
The present invention relates to field of data transmission, more particularly to a kind of dynamic data transmission method for Bluetooth broadcast and
System.
Background technology
It is simplex to be broadcasted at a slow speed due to bluetooth, and intermittent transmission data, and such communication mode causes transmitting-receiving double
Whether Fang Buzhi track datas send successfully, therefore are generally only used for sending fixed constant data, it is difficult to apply in dynamic number
According to transmission on.If being used for sending dynamic data, communication data can often be lost, if adding response bag, because transmitting-receiving is double
Side is required for monitored data, and that inevitably results in equipment power dissipation increase, and this causes to carry out the transmission of dynamic data using bluetooth
Become very unrealistic.
The content of the invention
It is an object of the invention to provide a kind of dynamic data transmission method and system for Bluetooth broadcast, bluetooth is realized
Application of the technology in dynamic data transmission, had both ensured the security reliability of data transfer, and the low of data transfer has been ensured again
Power consumption.
To achieve the above object, the invention provides following scheme：
A kind of dynamic data transmission method for Bluetooth broadcast, methods described includes：
Transmitting terminal obtains new data, and the new-data flag that n-th is obtained is the n-th data；
Transmitting terminal sends packet, and the packet includes the n-th-t data to the n-th data and numbering n, the numbering n
It is the numbering of transmitting terminal transmission times, t is setting value.
Optionally, methods described also includes：
Receiving terminal receives the data that the transmitting terminal sends；
Whether the numbering of the data received with last time is mutually continuous for numbering in the data that receiving terminal judgement is received；
If it is not, then the numbering of data that the numbering in the data that will receive of receiving terminal was received with last time is subtracted each other, obtain
To the number for losing data；
Receiving terminal extracts the n-th-a+1 data in the data for receiving to the n-th data, wherein, a is loss data
Number, n is the numbering in the data for receiving；
If it is, the n-th data in the data received described in receiving terminal extraction.
Optionally, the transmitting terminal sends packet, and the packet includes the n-th-t data to the n-th data and numbering
N, the numbering n are the numbering of transmitting terminal transmission times, and t is setting value, is specifically included：
Transmitting terminal sends packet, and the packet includes the n-th -9 data to the n-th data and numbering n, the numbering n
It is the numbering of transmitting terminal transmission times.
Present invention also offers a kind of dynamic data transmission system for Bluetooth broadcast, the system includes：
New data acquiring unit, new data is obtained for transmitting terminal, and the new-data flag that n-th is obtained is the n-th data；
Data transmission unit, for transmitting terminal send packet, the packet comprising the n-th-t data to the n-th data with
And numbering n, the numbering n are the numbering of transmitting terminal transmission times, t is setting value.
Optionally, the system also includes：
Receiving unit, the data that the transmitting terminal sends are received for receiving terminal；
Receiving terminal judging unit, judge for receiving terminal numbering in the data that receive whether the number received with last time
According to numbering it is mutually continuous；
Data amount check computing unit is lost, for judging that the numbering in the data for receiving was received with last time when receiving terminal
Data numbering it is discontinuous when, the numbering phase of the data that the numbering in the data that receiving terminal will be received was received with last time
Subtract, obtain losing the number of data；
First data extracting unit, extracts the n-th-a+1 data in the data for receiving and is counted to n-th for receiving terminal
According to, wherein, a is the number for losing data, and n is the numbering in the data for receiving；
Second data extracting unit, for the number received with last time when the numbering in the data that receiving terminal judgement is received
According to numbering phase consecutive hours, receiving terminal extract described in the n-th data in the data that receive.
Optionally, the transmitting element, specifically includes：
Transmission sub-unit, packet is sent for transmitting terminal, the packet comprising the n-th -9 data to the n-th data and
Numbering n, the numbering n are the numbering of transmitting terminal transmission times.
According to the specific embodiment that the present invention is provided, the invention discloses following technique effect：The present invention is by data
Carry out serial number, transmitting terminal when sending in addition to this secondary data, while the data before adding several times are broadcasted together, in receiving terminal
When not being received entirely all data of transmitting terminal transmission, the number that receiving terminal can be lost from the extracting data for receiving
According to, the loss of data is largely avoid, meanwhile, response bag is replied without receiving terminal, ensure the low of information transfer
Power consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the dynamic data transmission method transmitting terminal transmission flow schematic diagram that the embodiment of the present invention is used for Bluetooth broadcast；
Fig. 2 is the dynamic data transmission method receiving terminal reception schematic flow sheet that the embodiment of the present invention is used for Bluetooth broadcast；
Fig. 3 is the dynamic data transmission system sending end structure schematic diagram that the embodiment of the present invention is used for Bluetooth broadcast；
Fig. 4 is the dynamic data transmission system receiving terminal structural representation that the embodiment of the present invention is used for Bluetooth broadcast.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of dynamic data transmission method and system for Bluetooth broadcast, bluetooth is realized
Application of the technology in dynamic data transmission, had both ensured the security reliability of data transfer, and the low of data transfer has been ensured again
Power consumption.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Fig. 1 is the dynamic data transmission method transmitting terminal transmission flow schematic diagram that the embodiment of the present invention is used for Bluetooth broadcast,
As shown in figure 1, as follows for the dynamic data transmission method and step of Bluetooth broadcast：
Step 101：Transmitting terminal obtains new data, and the new-data flag that n-th is obtained is the n-th data；
Step 102：Transmitting terminal sends packet, and the packet includes the n-th-t data to the n-th data and numbering n, institute
The numbering that numbering n is transmitting terminal transmission times is stated, t is setting value.
Used as a preferred embodiment, step 102 is specially transmitting terminal and sends packet, the packet comprising n-th-
9 data to the n-th data and numbering n, the numbering n are the numbering of transmitting terminal transmission times.
Fig. 2 is the dynamic data transmission method receiving terminal reception schematic flow sheet that the embodiment of the present invention is used for Bluetooth broadcast,
As shown in Fig. 2 comprising the following steps that：
Step 201：Receiving terminal receives the data that the transmitting terminal sends；
Step 202：Receiving terminal judge numbering in the data that receive whether the numbering phase of the data received with last time
Continuously；
Step 203：If the numbering of the data that the numbering in the data for receiving was received with last time is discontinuous, receive
The numbering of the data that the numbering in the data that end will receive was received with last time is subtracted each other, and obtains losing the number of data；
Step 204：Receiving terminal extracts the n-th-a+1 data in the data for receiving to the n-th data, wherein, a is to lose
The number of data is lost, n is the numbering in the data for receiving；
Step 205：If the numbering of the data that the numbering in the data for receiving was received with last time is mutually continuous, receive
The n-th data in the data received described in the extraction of end.
The present invention reduces data during 4.0 broadcast data of bluetooth using supersaturation transmission and data sequence number coded system
Loss Rate, makes it possess transmission dynamic data ability.
When Bluetooth broadcast pattern sends data, in the case where response bag is not added with, data transmit-receive both sides are not know track data
Whether successfully send and receive, if being used for sending dynamic data, communication data is often lost.And if adding response bag,
Because receiving-transmitting sides are required for monitored data, that inevitably results in equipment power dissipation increase.To ensure the low-power consumption attribute of equipment, lead to
Normal broadcast mode is only used for sending changeless data.Dynamic data cannot be sent.
The invention provides a kind of dynamic data transmission method and system for Bluetooth broadcast, response bag is being added without
In the case of can improve the stability of data communication, loss of data is reduced, so as to realize that broadcast mode can also send dynamic data.
One typical bluetooth equipment broadcast data packet, each bag is 31 bytes, and UUID, equipment letter are included in packet
Breath, manufacturer's information etc., this kind of data are referred to as valid data, also have in addition to information above about 21 bytes can be by with
Family is customized, and invalid data is considered as when not using generally with 0 polishing.
Can be using the User Defined regional load data of 21 bytes, for data transfer, such as environment temperature.With temperature
As a example by degree, its numerical value is changed with environmental change, data in broadcasting process, if recipient process other processes or
Because other reasonses recipient does not receive data, data are just lost.In actual test, the probability lost is about
20%, 5 secondary datas of broadcast can lose once.
Thus Bluetooth broadcast pattern, generally only broadcasts changeless data.Such as one device numbering, for being received
Fang Faxian.
Data are done serial number by the broadcaster (i.e. transmitting terminal) of the method and system that the present invention is provided, except this secondary data
Outward, while adding preceding nine secondary data to broadcast together.Recipient's (i.e. receiving terminal) storage current data numbering, contrast this and it is previous
The data number of storage, this numbering and previous numbering are discontinuous, calculate numbering difference twice, obtain what is lost from packet
Data.
Specific working method is as follows：
Broadcaster：
Do not change broadcast mode, be added without response bag, the numbering of current broadcast data is sent when once broadcasting, and wide
The gathered data that first nine times are added in wrapping is broadcast, a small-sized packet is constituted, is followed successively by：Current data is numbered, and this secondary data is preceding
One secondary data, preceding two secondary data ..., preceding nine secondary data.
Broadcast packet：(self defined area)
Data 0 are this secondary data, and data 1-9 is preceding 9 secondary data, is arranged in order.
Recipient：
Recipient stores the data number of this reception when data are received, and is subtracted with the preceding data number for once receiving
Method, if losing a secondary data in broadcasting process, as long as recipient is properly received a secondary data within the 8th broadcast time,
The Data-parallel language that serial number will be lost can be passed through.So as to greatly reduce the possibility of loss of data.
Provided by the present invention for the dynamic data transmission method of Bluetooth broadcast, serial number is carried out by data, sent out
Sending end in addition to this secondary data, while the data before adding several times are broadcasted together, is not received entirely when sending in receiving terminal
During all data that transmitting terminal sends, the data that receiving terminal can be lost from the extracting data for receiving, largely
The loss of data is avoided, meanwhile, response bag is replied without receiving terminal, ensure the low-power consumption of information transfer.
Present invention also offers a kind of dynamic data transmission system for Bluetooth broadcast, Fig. 3 is used for the embodiment of the present invention
In the dynamic data transmission system sending end structure schematic diagram of Bluetooth broadcast, as shown in figure 3, for the dynamic data of Bluetooth broadcast
Transmission system includes：
New data acquiring unit 301, new data is obtained for transmitting terminal, and the new-data flag that n-th is obtained is the n-th number
According to；
Data transmission unit 302, packet is sent for transmitting terminal, and the packet includes the n-th-t data to the n-th data
And numbering n, the numbering n are the numbering of transmitting terminal transmission times, t is setting value.Wherein, t can take 9.
Fig. 4 is the dynamic data transmission system receiving terminal structural representation that the embodiment of the present invention is used for Bluetooth broadcast, such as Fig. 4
Shown, the receiving terminal for the dynamic data transmission system of Bluetooth broadcast includes：
Receiving unit 401, the data that the transmitting terminal sends are received for receiving terminal；
Receiving terminal judging unit 402, judges whether the numbering in the data for receiving received with last time for receiving terminal
Data numbering it is mutually continuous；
Data amount check computing unit 403 is lost, for judging that the numbering in the data for receiving connect with last time when receiving terminal
When the numbering of the data for receiving is discontinuous, the numbering of the data that the numbering in the data that receiving terminal will be received was received with last time
Subtract each other, obtain losing the number of data；
First data extracting unit 404, for receiving terminal extract described in the n-th-a+1 data in the data that receive to the
N data, wherein, a is the number for losing data, and n is the numbering in the data for receiving；
Second data extracting unit 405, for judging that the numbering in the data for receiving was received with last time when receiving terminal
Data numbering phase consecutive hours, receiving terminal extract described in the n-th data in the data that receive.
Provided by the present invention for the dynamic data transmission system of Bluetooth broadcast, serial number is carried out by data, sent out
Sending end in addition to this secondary data, while the data before adding several times are broadcasted together, is not received entirely when sending in receiving terminal
During all data that transmitting terminal sends, the data that receiving terminal can be lost from the extracting data for receiving, largely
The loss of data is avoided, meanwhile, response bag is replied without receiving terminal, ensure the low-power consumption of information transfer.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, foundation
Thought of the invention, will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (6)
1. a kind of dynamic data transmission method for Bluetooth broadcast, it is characterised in that methods described includes：
Transmitting terminal obtains new data, and the new-data flag that n-th is obtained is the n-th data；
Transmitting terminal sends packet, and the packet is hair comprising the n-th-t data to the n-th data and numbering n, the numbering n
The numbering of sending end transmission times, t is setting value.
2. dynamic data transmission method according to claim 1, it is characterised in that methods described also includes：
Receiving terminal receives the data that the transmitting terminal sends；
Whether the numbering of the data received with last time is mutually continuous for numbering in the data that receiving terminal judgement is received；
If it is not, then the numbering of data that the numbering in the data that will receive of receiving terminal was received with last time is subtracted each other, lost
Lose the number of data；
Receiving terminal extracts the n-th-a+1 data in the data for receiving to the n-th data, wherein, a is lose data individual
Number, n is the numbering in the data for receiving；
If it is, the n-th data in the data received described in receiving terminal extraction.
3. dynamic data transmission method according to claim 1, it is characterised in that the transmitting terminal sends packet, institute
It is the numbering of transmitting terminal transmission times that packet is stated comprising the n-th-t data to the n-th data and numbering n, the numbering n, and t is to set
Definite value, specifically includes：
Transmitting terminal sends packet, and the packet is hair comprising the n-th -9 data to the n-th data and numbering n, the numbering n
The numbering of sending end transmission times.
4. a kind of dynamic data transmission system for Bluetooth broadcast, it is characterised in that the system includes：
New data acquiring unit, new data is obtained for transmitting terminal, and the new-data flag that n-th is obtained is the n-th data；
Data transmission unit, packet is sent for transmitting terminal, and the packet includes the n-th-t data to the n-th data and volume
Number n, the numbering n are the numbering of transmitting terminal transmission times, and t is setting value.
5. dynamic data transmission system according to claim 4, it is characterised in that the system also includes：
Receiving unit, the data that the transmitting terminal sends are received for receiving terminal；
Receiving terminal judging unit, judge for receiving terminal numbering in the data that receive whether the data received with last time
Numbering is mutually continuous；
Data amount check computing unit is lost, for the number received with last time when the numbering in the data that receiving terminal judgement is received
According to numbering it is discontinuous when, the numbering of the data that the numbering in the data that receiving terminal will be received was received with last time is subtracted each other, and is obtained
To the number for losing data；
First data extracting unit, for receiving terminal extract described in the n-th-a+1 data in the data that receive to the n-th data,
Wherein, a is the number for losing data, and n is the numbering in the data for receiving；
Second data extracting unit, for judging the data that receive when receiving terminal in the numbering data that were received with last time
Numbering phase consecutive hours, receiving terminal extract described in the n-th data in the data that receive.
6. dynamic data transmission system according to claim 4, it is characterised in that the transmitting element, specifically includes：
Transmission sub-unit, packet is sent for transmitting terminal, and the packet includes the n-th -9 data to the n-th data and numbering
N, the numbering n are the numbering of transmitting terminal transmission times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710009128.8A CN106850001A (en) | 2017-01-06 | 2017-01-06 | A kind of dynamic data transmission method and system for Bluetooth broadcast |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710009128.8A CN106850001A (en) | 2017-01-06 | 2017-01-06 | A kind of dynamic data transmission method and system for Bluetooth broadcast |
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| CN106850001A true CN106850001A (en) | 2017-06-13 |
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| CN201710009128.8A Pending CN106850001A (en) | 2017-01-06 | 2017-01-06 | A kind of dynamic data transmission method and system for Bluetooth broadcast |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111404663A (en) * | 2019-01-03 | 2020-07-10 | 福建天泉教育科技有限公司 | Bluetooth point-to-point based data transmission method and system |
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| CN105743805A (en) * | 2016-01-28 | 2016-07-06 | 昭文科技（北京）股份有限公司 | Data transmission method and device |
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| CN111404663A (en) * | 2019-01-03 | 2020-07-10 | 福建天泉教育科技有限公司 | Bluetooth point-to-point based data transmission method and system |
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Application publication date: 20170613 |