CN106792844A - A kind of data transmission method and device - Google Patents
A kind of data transmission method and device Download PDFInfo
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- CN106792844A CN106792844A CN201611033253.4A CN201611033253A CN106792844A CN 106792844 A CN106792844 A CN 106792844A CN 201611033253 A CN201611033253 A CN 201611033253A CN 106792844 A CN106792844 A CN 106792844A
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- frequency range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of data transmission method and device, intelligent meter is applied to, the method includes：If recognize the presence of packet waiting for transmission, according to the information of at least two frequency ranges that itself is preserved, the first frequency range is determined, wherein any two frequency range is different at least two frequency range；The packet is sent using first frequency range；When the successful confirmation of transmission is not received by first frequency range, the second frequency range is selected, and the packet is sent using second frequency range, wherein first frequency range is different with the second frequency range.At least two frequency ranges are applied in data transmission procedure of the present invention, two frequency ranges are different frequency ranges, data are unable to the problem of normal transmission using conflict when timing uploads data to send frequency range which solves intelligent meter.
Description
Technical field
The present invention relates to field of wireless communication, more particularly to a kind of data transmission method and device.
Background technology
LoRa technologies are a kind of extra long distance low power consumption data transmission technologys, are sent with low-power consumption, long distance discrete data
The characteristics of measuring small, can meet requirement of the intelligent meter in field of wireless communication substantially, and be based on wide area network extra long distance low-power consumption
The standard agreement of data transmission technology (LongRange Wide Area Network, LoRaWAN) can ensure different manufacturers not
With intercommunity of the intelligent meter of product type in communication process on a large scale.
Fig. 1 is prior art LoRaWAN standard agreement system architecture figures, as shown in figure 1, one base station of each regional deployment
Gateway12, base station Gateway12 are provided with a communication module, and the communication module can be by a fixed frequency range
Carry out data transmission with the multiple intelligent meters 11 in the Gateway12 coverages of base station.Within certain time period, multiple intelligent meters
11 simultaneously to the band transmissions data, it is possible to which data can not send successful problem using conflict same frequency range occurs.
The content of the invention
The invention provides a kind of data transmission method and device, it is used to solve in the prior art within certain time period,
Multiple intelligent meters are simultaneously to same band transmissions data, it is possible to which data can not send into using conflict same frequency range occurs
The problem of work(.
In order to solve the above problems, the invention provides a kind of data transmission method, if the intelligent meter is recognized deposited
In packet waiting for transmission, the method includes：
A1：Whether the information and each frequency range of successful at least two frequency range of networking preserved according to itself are current occupied
Information, unappropriated first frequency range is selected, wherein any two frequency range is different at least two frequency range；
B1：The packet is sent using first frequency range；And described in judging not receive by first frequency range
When packet sends successful confirmation, first frequency range is designated occupied；
C1：Judge whether each frequency range that itself is preserved is occupied, if not, return to step A1；If it is, selection the
Two frequency ranges, the packet is sent using second frequency range.
Further, it is described that the successful confirmation bag of the packet transmission is not received by first frequency range
Include：
When the successful response message of packet transmission is not received by first frequency range, update and send failure
Number of times；
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining by the described first frequency
Duan Wei receives the packet and sends successful confirmation.
Further, judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if not, methods described is also
Including：
Continue to send the packet using first frequency range.
Further, if not receiving the packet by second frequency range sends successful confirmation, institute
Stating method also includes：
Continue to send the packet using second frequency range.
Further, it is described if sending successful confirmation by second UHF band reception to the packet
Method also includes：
Each frequency range preserved in intelligent meter is designated unoccupied.
Further, it is described if sending successful confirmation by second UHF band reception to the packet
Method also includes：
By second frequency range update to sends successfully record in；And record packet transmission successful time point；
The information and each frequency range according at least two frequency ranges for itself preserving it is current whether occupied information, choosing
Selecting unappropriated first frequency range includes：
Calculate current time and the transmission successfully records the difference that total packet for preserving sends successful time point, sentence
Whether the difference of breaking is less than the time threshold for setting；
If it is, selection unappropriated first frequency range.
Further, the process of the information for obtaining in advance and preserving successful at least two frequency range that networks includes：
A2：Whether information and each frequency range at least two frequency ranges for itself preserving network successful information, selection
The frequency range not networked, the request that networks is sent using the frequency range not networked to base station；
B2：If the UHF band reception not networked by this is protected the frequency range not networked to networking success response information
Be stored to network successful frequency range information in, and the frequency range not networked described in identifying networks successfully, judges whether each frequency range
Network successfully, if not, return to step A2.
Further, if not receiving networking success response information by the frequency range not networked, methods described is also wrapped
Include：
When the successful response message of packet transmission is not received by the frequency range not networked, update and send
The frequency of failure；
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining not networked by described
Frequency range do not receive the packet and send successful confirmation, it is unsuccessful that the frequency range not networked is designated into networking
Frequency range.
The invention provides a kind of data transmission device, described device includes：
Selecting module, if recognize the presence of packet waiting for transmission for the intelligent meter, according to entering that itself is preserved
Net successful at least two frequency range information and each frequency range it is current whether occupied information, select unappropriated first frequency
Section, wherein any two frequency range is different at least two frequency range；
Sending module, for sending the packet using first frequency range；
First judges mark module, judges not received the packet and sent by first frequency range successfully to confirm
During information, first frequency range is designated occupied；
Judge module, it is whether occupied for judging each frequency range that itself is preserved；If not, returning to selecting module；
If it is, triggering first choice sending module；
First choice sending module, for selecting the second frequency range, the packet is sent using second frequency range.
Further, described first judges that mark module includes：
Updating block, the successful response message of the packet transmission is not received for working as by first frequency range
When, update and send the frequency of failure；
Determining unit is judged, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, really
Surely the packet is not received by first frequency range and sends successful confirmation.
Further, the judgement determining unit, is additionally operable to judge whether the transmission frequency of failure reaches the secondary of setting
Number threshold value, if not, triggering sending module.
Further, the first choice sending module, is additionally operable to：
If not receiving the packet by second frequency range sends successful confirmation, continue using described
Second frequency range sends the packet.
Further, described device also includes：
Mark module, if for sending successful confirmation by second UHF band reception to the packet,
Each frequency range preserved in intelligent meter is designated unoccupied.
Further, described device also includes：
Logging modle is updated, if for sending successful confirmation letter by second UHF band reception to the packet
Breath, will second frequency range update to send successfully record in；And record packet transmission successful time point；
The selecting module includes：
Judging unit is calculated, total packet for preserving successfully is recorded and is sent successfully for calculating current time and the transmission
Time point difference, judge the difference whether less than setting time threshold；If it is, triggering selection unit；
Select unit, for selecting unappropriated first frequency range.
Further, described device also includes：
Second selection sending module, whether the information of at least two frequency ranges and each frequency range for being preserved for itself enter
Successful information is netted, the frequency range that selection does not network sends the request that networks using the frequency range not networked to base station；
Judge module is preserved, if for the UHF band reception that is not networked by this to networking success response information, should
The frequency range not networked is saved in the information of the successful frequency range that networks, and the frequency range not networked described in mark networks successfully, judges
Whether each frequency range networks successfully, if not, returning to second selects sending module.
Further, described device also includes：
Update module, for successfully response to be believed when the packet transmission is not received by the frequency range not networked
During breath, update and send the frequency of failure；
Second judges mark module, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, if
It is, it is determined that not receiving the packet by the frequency range not networked sends successful confirmation, not networked described
Frequency range be designated the unsuccessful frequency range of networking.
The present invention provides a kind of data transmission method and device, if the intelligent meter is recognized has data waiting for transmission
Bag, the method includes：A1：The information and each frequency range of successful at least two frequency range of networking preserved according to itself it is current whether
Occupied information, selects unappropriated first frequency range, wherein any two frequency range is different at least two frequency range；
B1：The packet is sent using first frequency range；And judge that not receiving the packet by first frequency range sends out
When sending successful confirmation, first frequency range is designated occupied；C1：Judge itself preserve each frequency range whether
It is occupied, if not, return to step A1；If it is, the second frequency range of selection, the packet is sent using second frequency range.
Can be based on two at least two due to preserving the information of at least two frequency ranges, i.e. intelligent meter in the intelligent meter in the embodiment of the present invention
Individual frequency range carries out data transmission with base station, and when intelligent meter selects the transmission that frequency range carries out packet unsuccessful, i.e., this is frequently
When section is taken by other intelligent meters, the second frequency range can be selected to carry out the transmission of packet, therefore can be effectively prevented from because of frequency
The data that section is caused using conflict can not send successful problem.
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 embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is prior art low-power consumption wide area network LoRaWAN standard agreement system architecture figures；
Fig. 2 is the schematic diagram of the data transmission method that the embodiment of the present invention 1 is provided；
Fig. 3 is a kind of system schematic based on LoRaWAN standard agreements that the embodiment of the present invention 1 is provided；
Fig. 4 is the system schematic that the another kind that the embodiment of the present invention 1 is provided is based on LoRaWAN standard agreements；
Fig. 5 is a kind of flow chart of data transmission method that the embodiment of the present invention 2 is provided；
Fig. 6 is a kind of networking flow chart of data transmission method that the embodiment of the present invention 8 is provided；
Fig. 7 is a kind of structure drawing of device of data transfer provided in an embodiment of the present invention.
Specific embodiment
Successful problem can not be sent to solve the data caused using conflict by frequency range, be the embodiment of the invention provides
A kind of data transmission method and device.
In order that the object, technical solutions and advantages of the present invention are clearer, make into one below in conjunction with the accompanying drawing present invention
Step ground is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Embodiment 1：
Fig. 2 is a kind of schematic diagram of data transmission method provided in an embodiment of the present invention, and the method is comprised the following steps：
S201：Whether the information and each frequency range of successful at least two frequency range of networking preserved according to itself are current occupied
Information, selects unappropriated first frequency range, wherein any two frequency range is different at least two frequency range.
A kind of data transmission method provided in an embodiment of the present invention is applied to intelligent meter, has been pre-saved in the intelligent meter
The information of successful at least two frequency range that networks and each frequency range it is current whether occupied information, wherein at least two frequency
Any two frequency range is different in section.The information of at least two frequency ranges preserved wherein in the intelligent meter can be artificially pre-configured with
To in intelligent meter, it is also possible to which intelligent meter carries out data transmission the frequency range for obtaining and preserving by with the base station in its in-scope
Information.
One of base station can install the communication module of multiple different frequency ranges, therefore the information of at least two frequency range can
Be at least two different communication modules installed in same base station frequency range information, or at least two base stations
In, a communication module is installed in each base station, the frequency range of the communication module installed wherein in base station is different.Intelligent meter is also propped up
Multiple frequency communication modules are held, an intelligent meter can also install the communication module of multiple different frequency ranges, such that it is able to using right
The frequency range answered carries out the transmission of packet.
Each communication module installed in the frequency range of each communication module installed in the intelligent meter and the base station
Frequency range can be one-to-one.The information of the frequency range of each communication module installed at least in base station has been stored in intelligent meter
In.
If when the transmission of packet is carried out, when sending a certain packet for the first time, now intelligent meter is not aware that often
Whether individual frequency range occupied, each frequency range can be now designated it is unoccupied, when the selection of the first frequency range is carried out, can be with
Any selection one.
S202：The packet is sent using first frequency range；And judgement does not receive institute by first frequency range
When stating the packet successful confirmation of transmission, first frequency range is designated occupied.
The process for sending the packet using the first frequency range belongs to prior art, does not do superfluous in the embodiment of the present invention
State.After intelligent meter carries out the transmission of packet using the first frequency range, if the first frequency range is unoccupied, the packet will be by
Base station is sent to, and base station can also return to the packet and send successful response message to intelligent meter.But if first frequency
Section is taken by other intelligent meters, then the packet cannot be sent to base station, and intelligent meter also can not just receive base station for this
The response message that packet is returned.Therefore it is whether occupied in order to accurately identify first frequency range, can be with according to whether logical
First frequency range is crossed not receive the successful confirmation of the packet transmission to judge.
Specifically, after intelligent meter carries out the transmission of packet using the first frequency range, starting timer, the timer is judged
The packet that whether base station transmission is received in timing length sends successful response message, so that it is determined that first frequency
Whether section is occupied.
After have selected a certain frequency range and carry out the transmission of packet, if packet can not be successfully transmitted by the frequency range,
Illustrate that the frequency range is currently used by other intelligent meters, the frequency range can be now designated occupied.
S203：Judge whether each frequency range that itself is preserved is occupied, if not, return to step S201；If it is, entering
Row step S204.
S204：The second frequency range is selected, the packet is sent using second frequency range.
The information of at least two frequency ranges is preserved in intelligent meter, if intelligent meter has carried out data by each frequency range
Send, but the packet for being all not received by base station return sends successful response message, then illustrate that each frequency range is occupied
.In order to ensure being successfully transmitted for the packet, intelligent meter needs the transmission for selecting second frequency range to carry out packet.Such as
Fruit there is currently unappropriated frequency range, then a transmission for carrying out packet can be selected in unappropriated frequency range.
The second frequency range of the selection can be arbitrarily to be selected in occupied all frequency ranges, it is also possible to according to default rule
Then selected, the default rule can be selected according to the height of frequency range, such as described intelligent meter is not occupied
In frequency range by highest Frequency Band Selection be the second frequency range.
Specifically, two communication modules of different frequency range can be in a base station disposed in embodiments of the present invention, so that real
The transmission of existing data.A kind of system architecture schematic diagram based on LoRaWAN standard agreements that Fig. 3 is carried for the embodiment of the present invention, such as
Shown in Fig. 3, intelligent meter includes main control module 31 and wireless communication module Node modules 32, and the main control module 31 is adopted for control
Collection information, the Node modules 32 are arranged on intelligent meter, can carry out data interaction with main control module 31.LoRaWAN standards
In protocol system Organization Chart, also including base station Gateway33 and network side equipment, the wherein He of wireless communication module Node modules 32
Base station Gateway33 is the hardware of support multiband, and the first frequency range module 331 and second is provided with the Gateway33 of base station
Frequency range module 332, the first frequency range module 331 and the second frequency range module 332 are the module of different frequency range.Network side equipment includes net
Network server NServer34, application server AS erver35 and operation system 36.
Specific data transmission procedure as shown in Figure 3 is：Intelligent meter when data interaction is carried out with network side equipment, intelligence
Main control module 31 on energy table is encrypted to packet, and Node modules 32 are using corresponding first frequency of the first frequency range module 331
Section delivers a packet to base station Gateway33, when the successful confirmation of transmission is not received by first frequency range,
Corresponding second frequency range of the second frequency range module 332 is selected to deliver a packet to base station Gateway33, base station Gateway33 is only
It is a terminal, any treatment is not carried out to packet, the second frequency range module 332 of base station Gateway33 is receiving number
After according to bag, the packet is sent to webserver NServer34, webserver NServer34 is by the packet
Application server AS erver35 is sent to, the packet is sent to operation system 36 by application server AS erver35, transported
Battalion's system 36 carries out packet decryption.
Main control module 31 on the intelligent meter is encrypted to packet and operation system 36 carries out packet decryption
Process belongs to prior art, is not repeated in the embodiment of the present invention.
Two base stations can also be disposed in embodiments of the present invention, and a communication module is disposed in each base station, the two
The frequency range of communication module is different, so as to realize the transmission of data.Fig. 4 is based on LoRaWAN for the another kind that the embodiment of the present invention is carried
The system architecture schematic diagram of standard agreement, is different from Fig. 3, and Fig. 4 includes the first frequency range base station Gateway431 and the second frequency range
Base station Gateway432, the first frequency range base station Gateway431 is deployed with the communication module of the first frequency range, the second frequency range base station
Gateway432 is deployed with the communication module of the second frequency range, and the first frequency range and the second frequency range are different frequency ranges.
Specific data transmission procedure as shown in Figure 4 is：Intelligent meter when data interaction is carried out with network side equipment, intelligence
Main control module 41 on energy table is encrypted to packet, and Node modules 42 are corresponding using the first frequency range base station Gateway431
First frequency range delivers a packet to the first frequency range, and successful confirmation is sent when not received by first frequency range
When, corresponding second frequency ranges of the second frequency range base station Gateway432 of selection deliver a packet to the second frequency range, the first frequency range base
The Gateway431 and the second frequency range base station Gateway432 that stands is terminal, and any treatment, the second frequency are not carried out to packet
The packet is sent to the webserver by second frequency range of Duan Jizhan Gateway432 after packet is received
The packet is sent to application server AS erver45, application server by NServer44, webserver NServer44
The packet is sent to operation system 46 by AServer45, and operation system 46 carries out packet decryption.
Main control module 41 on the intelligent meter is encrypted to packet and operation system 46 carries out packet decryption
Process belongs to prior art, is not repeated in the embodiment of the present invention.
Can be based on due to preserving the information of at least two frequency ranges, i.e. intelligent meter in the intelligent meter in the embodiment of the present invention
Two at least two frequency ranges carry out data transmission with base station, when intelligent meter selects the transmission that a frequency range carries out packet unsuccessful
When, i.e., when the frequency range is taken by other intelligent meters, the second frequency range can be selected to carry out the transmission of packet, therefore can be effectively
Avoiding the data caused using conflict by frequency range can not send successful problem.
Embodiment 2：
Intelligent meter starts timer after packet is sent by the first frequency range, judges in the timing length of timer
Whether the packet for receiving base station transmission sends successful response message, as long as not receiving the transmission successfully responds letter
Breath, you can think not receive the packet and send successful confirmation, now intelligent meter can select the second frequency range to carry out
The transmission of packet.
But in base station and intelligent meter when based on LoRa transmission packets, it is likely that can be influenceed by external environment,
And cause to send unsuccessful, such as there is baffle etc. between base station and intelligent meter, but external environment can change.Cause
This causes data is activation unsuccessful in order to avoid the interference due to external environment, on the basis of above-described embodiment, in the present invention
In embodiment,
It is described the packet do not received by first frequency range send successful confirmation include：
When the successful response message of packet transmission is not received by first frequency range, update and send failure
Number of times；
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining by the described first frequency
Duan Wei receives the packet and sends successful confirmation.
The frequency threshold value of the setting is pre-saved in intelligent meter, wherein the frequency threshold value of the setting can for 1 time, 2
It is secondary or 5 inferior.
Intelligent meter starts timer after packet is sent by the first frequency range, judges in the timing length of timer
Whether the packet for receiving base station transmission sends successful response message, as long as not receiving the transmission successfully responds letter
Breath, you can think that not receiving the packet sends successful confirmation, but external environment shadow is received in data transmission procedure
Ring than larger, in order to avoid the interference due to external environment causes data is activation unsuccessful, in the embodiment of the present invention,
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if not, methods described also includes：
Continue to send the packet using first frequency range.
Illustrate that Fig. 5 is a kind of data transmission method provided in an embodiment of the present invention with a specific embodiment below
Flow chart, as shown in Figure 5 the described method comprises the following steps：
S501：It is successful according to the networking that itself is preserved if the intelligent meter is recognized has packet waiting for transmission
The information of at least two frequency ranges and each frequency range it is current whether occupied information, select unappropriated first frequency range, use
First frequency range sends packet.
Intelligent meter starts timer after packet is sent by the first frequency range.
S502：Judge whether that receiving first frequency range sends successful response message, if it is, S507 is carried out, if
It is no, carry out S503.
The intelligent meter judges what first frequency range that whether base station is received in the timing length of timer sent
The packet sends successful response message, and the timing length of the timer is pre-saved in intelligent meter, wherein described
The timing length of timer can be 5 seconds, 10 seconds or 15 seconds etc..
S503：The transmission frequency of failure of first frequency range is updated, judges whether the frequency of failure reaches the number of times threshold of setting
Value, if it is, S504 is carried out, if not, carrying out S501.
The intelligent meter judges whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, the intelligence
Energy table determines that not receiving the packet by first frequency range sends successful response message.
If it is not, then the intelligent meter continues to send packet using the first frequency range.
The frequency threshold value of the setting is pre-saved in intelligent meter, by judging whether the transmission frequency of failure reaches
The frequency threshold value of setting, can avoid the interference of external environment from causing to send unsuccessful situation, wherein the number of times of the setting
Threshold value can be inferior for 1 time, 2 times or 5.
S504：It is determined that not receiving the packet by first frequency range sends successful confirmation.By first
Frequency range is designated occupied.
After intelligent meter carries out the transmission of packet using the first frequency range, if the first frequency range is unoccupied, the packet
Base station will be sent to, and base station can also return to the packet and send successful response message to intelligent meter.But if should
First frequency range is taken by other intelligent meters, then the packet cannot be sent to base station, and intelligent meter also can not just receive base station
For the response message that the packet is returned.Therefore it is whether occupied in order to accurately identify first frequency range, can basis
Whether the packet do not received by first frequency range and send successful confirmation and judged.
Specifically, after intelligent meter carries out the transmission of packet using the first frequency range, starting timer, the timer is judged
The packet that whether base station transmission is received in timing length sends successful response message, so that it is determined that first frequency
Whether section is occupied.
After have selected a certain frequency range and carry out the transmission of packet, if packet can not be successfully transmitted by the frequency range,
Illustrate that the frequency range is currently used by other intelligent meters, the frequency range can be now designated occupied.
S505：Judge whether each frequency range that itself is preserved is occupied, if not, S501 is returned, if it is, carrying out
S506。
S506：The second frequency range is selected, the packet is sent using second frequency range.
The information of at least two frequency ranges is preserved in intelligent meter, if intelligent meter has carried out data by each frequency range
Send, but the packet for being all not received by base station return sends successful response message, then illustrate that each frequency range is occupied
.In order to ensure being successfully transmitted for the packet, intelligent meter needs the transmission for selecting second frequency range to carry out packet.Such as
Fruit there is currently unappropriated frequency range, then a transmission for carrying out packet can be selected in unappropriated frequency range.
The second frequency range of the selection can be arbitrarily to be selected in occupied all frequency ranges, it is also possible to according to default rule
Then selected, the default rule can be selected according to the height of frequency range, such as described intelligent meter is occupied
Frequency range in by highest Frequency Band Selection be the second frequency range.
S507：To band transmissions ED.
The embodiment of the present invention pre-saves the frequency threshold value of setting in intelligent meter, sends the frequency of failure and is set not up to
During fixed frequency threshold value, the intelligent meter sends packet using first frequency range, so as to avoid due to external environment
Interference causes data is activation unsuccessful.
Embodiment 3：
If after intelligent meter selects the second frequency range to send packet in occupied each frequency range, in order that packet is sent out
Send successfully, on the basis of the various embodiments described above, in the embodiment of the present invention,
If not receiving the packet by second frequency range sends successful confirmation, methods described is also wrapped
Include：
Continue to send the packet using second frequency range.
If each frequency range is collectively labeled as occupied, illustrate that, when the transmission of the packet is carried out, the intelligent meter can enter
Each frequency range of row data is activation is occupied, but in order to realize the transmission of the packet, intelligent meter can continue to use
Second frequency range sends the packet, and second frequency range can send the frequency range used during the packet for last time.Certainly such as
Really each frequency range is collectively labeled as occupied, and in order to realize the transmission of the packet, intelligent meter can also be labeled as occupied
A frequency range is arbitrarily selected in each band information, the transmission of packet is carried out using the frequency range, until the packet sends into
Work(.Certainly, if each frequency range be collectively labeled as it is occupied, intelligent meter have selected a frequency range carry out packet send when, if
Be have sent several times again without sending successfully using the frequency range, naturally it is also possible to reselect other frequency ranges and continue to send, only
The packet can finally be sent successfully.
In embodiments of the present invention, if sending successful confirmation letter by second UHF band reception to the packet
Breath, methods described also includes：
Each frequency range preserved in intelligent meter is designated unoccupied.
If sending successful confirmation by second UHF band reception to the packet, the intelligence is illustrated
Table sends packet success, each frequency range preserved in intelligent meter is designated unoccupied, conveniently proceeds other
The transmission of packet.
As long as being sent the packet within successfully by a certain frequency range in embodiments of the present invention, then for the ease of next packet
Transmission, each frequency range is designated unoccupied.
Embodiment 4：
In order to improve the transmission success rate of packet, on the basis of the various embodiments described above, in the embodiment of the present invention,
If sending successful confirmation by second UHF band reception to the packet, methods described is also wrapped
Include：
By second frequency range update to sends successfully record in；And record packet transmission successful time point；
The information and each frequency range according at least two frequency ranges for itself preserving it is current whether occupied information, choosing
Selecting unappropriated first frequency range includes：
Calculate current time and the transmission successfully records the difference that total packet for preserving sends successful time point, sentence
Whether the difference of breaking is less than the time threshold for setting；
If it is, selection unappropriated first frequency range.
Preserved in the intelligent meter and successfully recorded, it is described successfully record in preserve last time carry out packet send when,
Packet sends the band information and transmission successful time used when successfully.Last time carries out the frequency range used when packet sends
Information record in successfully recording, and after last time carries out packet transmission, each frequency range is identified in order to unoccupied.
Then when this carries out the transmission of packet, can also be by calculating current time and during the transmission is successfully recorded
Whether total packet for preserving sends the difference at successful time point, judges the difference less than the time threshold for setting, if
The difference then illustrates to carry out the hair of this packet quickly after last time carries out packet transmission less than the time threshold of setting
Send, because time interval is very short, therefore last time sends successful frequency range and may not taken by other intelligent meters also, therefore this
When carrying out packet transmission, can also continue to use the frequency range.Because when last time carries out packet transmission, being successfully transmitted the data
The band information record of bag is suffered in successfully record, therefore when this carries out the transmission of packet, can be according to successfully recording
The band information of middle preservation, selects the first frequency range.
But if time threshold of the difference not less than setting, illustrates adjacent to carry out packet transmission time interval phase twice
Than larger for, the frequency range that last time is successfully transmitted is likely to occupied, thus in selection can without reference to this into
The band information preserved in work(record.When certain difference is not less than the time threshold for setting, when the first Frequency Band Selection is carried out,
Can also by this successfully record in preserve frequency range be defined as the first frequency range.
The intelligent meter is sent by the UHF band reception after a certain frequency range sends packet success to the packet
Successful confirmation, the frequency range is updated in successfully recording, and is recorded using the frequency range transmission packet successful time
Point, refers to when carrying out Frequency Band Selection when being sent so as to next packet, therefore can to a certain extent ensure selection for the first time
Frequency range can just be successfully transmitted packet, save the resource of intelligent meter, improve the transmission success rate of packet.
Embodiment 5：
On the basis of the various embodiments described above, intelligent meter pre-saves the information of successful at least two frequency range that networks.
The process of the information for obtaining and preserving successful at least two frequency range that networks in advance includes：
A2：Whether information and each frequency range at least two frequency ranges for itself preserving network successful information, selection
The frequency range not networked, the request that networks is sent using the frequency range not networked to base station；
B2：If the UHF band reception not networked by this is protected the frequency range not networked to networking success response information
Be stored to network successful frequency range information in, and the frequency range not networked described in identifying networks successfully, judges whether each frequency range
Network successfully, if not, return to step A2.
The communication module of multiple frequency ranges can be deployed with intelligent meter, after it is mounted, intelligent meter is according to each frequency range
Carry out into net operation, if networked successfully, when illustrating subsequently to carry out the transmission of packet, the frequency range can be used.
If specifically, preserve the information of multiple frequency ranges in intelligent meter, after intelligent meter is mounted, under each frequency range
Do not network successfully, then arbitrarily select a frequency range not networked, the request that networks is sent to base station using the frequency range not networked, such as
The frequency range that this does not network then is saved in networking successfully by the UHF band reception that fruit is not networked by this to networking success response information
The frequency range not networked in the information of frequency range, and described in mark networks successfully, is networked for each frequency range not networked successively
Operation, networks successfully until under each frequency range.
But the communication module of a certain frequency range is deployed with may there is intelligent meter, but this is not disposed frequently in base station
The communication module of section, therefore intelligent meter fails networking under the frequency range.But subsequently perhaps can increase new base station, newly increase
Base station deployment have the communication module of the frequency range, or the communication module of the frequency range is increased in original base station, therefore subsequently
Intelligent meter can carry out have sent for packet with using the frequency range.But because the successful frequency range of networking preserved in intelligent meter
Information in there is no the information of the frequency range, therefore the advance acquisition and preserve networking successfully at least two in embodiments of the present invention
The process of the information of individual frequency range can be carried out periodically, for example can be with each year, or to carry out one every half a year inferior.
Fig. 6 is a kind of networking flow chart of data transmission method provided in an embodiment of the present invention, as shown in fig. 6, intelligent meter
Two information of frequency range not networked itself are saved, wherein the 3rd frequency range is two different frequency ranges with the 4th frequency range.Such as Fig. 6
Shown networking flow is comprised the following steps：
S601：If the information of the multiple frequency ranges preserved in intelligent meter, all do not networked under multiple frequency ranges successfully, selection one
The individual frequency range not networked, the request that networks is sent using the frequency range not networked to base station.
Described one frequency range not networked of selection can arbitrarily be selected in the successful all frequency ranges that do not network, it is also possible to root
Selected according to default rule, the default rule can be selected according to the height of frequency range, such as described intelligence
Highest Frequency Band Selection is the frequency range that this does not network in the successful all frequency ranges that do not network by table.
The process that the request that networks is sent to base station using the frequency range not networked belongs to prior art, and the present invention is implemented
Example is not repeated.
Intelligent meter starts timer after the request that networks is sent by the frequency range that this does not network.
S602：Judge whether the networking success response information of the frequency range not networked described in receiving；If it is, carry out
S605, if not, carrying out S603；
Whether the intelligent meter judges to be received in the second timing length of timer described in base station what this did not networked
The networking success response information that frequency range sends, the second timing length of the timer is pre-saved in intelligent meter, its
Described in timer the second timing length can be 5 seconds, 10 seconds or 15 seconds etc..
S603：The transmission frequency of failure of the frequency range not networked is updated, judges whether the frequency of failure reaches setting
Frequency threshold value, if it is, carrying out S604；If not, using the frequency range as the frequency range that do not network, do not networked using this in S601
Frequency range to base station send network request process.
The intelligent meter judges whether the frequency of failure reaches the frequency threshold value of setting, if it is, the intelligent meter determines
The successfully confirmation that networks is not received by the described frequency range not networked.
If it is not, then the intelligent meter continues to send the request that networks to base station using the frequency range that this does not network.
The frequency threshold value of the setting is pre-saved in intelligent meter, by judging whether the transmission frequency of failure reaches
The frequency threshold value of setting, can avoid the interference of external environment from causing to send unsuccessful situation, wherein the number of times of the setting
Threshold value can be inferior for 1 time, 2 times or 5.
S604：It is determined that not receiving the successfully confirmation that networks by the described frequency range not networked, described this is not entered
The frequency range of net is designated the unsuccessful frequency range of networking.
After intelligent meter sends the request that networks to base station using the frequency range that this does not network, if the frequency that this does not network
Section can network successfully, then networking request can be sent to base station, and base station can also return to the networking and ask to intelligent meter
Networking success response information.But if the frequency range that this does not network cannot network successfully, then networking request cannot send
To base station, intelligent meter also can not just receive the networking success response information that base station returns for networking request.Therefore it is
Accurately identify whether the described frequency range not networked can network successfully, can be with according to whether not networked by described this
Frequency range networking success response information is not received to judge.
Specifically, after intelligent meter sends the request that networks using the frequency range that this does not network, starting timer, judge that this is determined
When device the second timing length in whether receive base station for the networking request return networking success response information so that really
Whether fixed described frequency range not networked can network successfully.
Whether whether a certain frequency range not networked can network successfully, by preserving the frequency range not networked in base station
Information determine that, if preserving the information of the frequency range not networked in base station, the frequency range not networked can be networked into
Work(.
After selecting a certain frequency range not networked to send networking request to base station, if by the frequency range that this does not network
Networking request can not be successfully transmitted, illustrates that the frequency range that do not network cannot network successfully, now the frequency range not networked is designated
Network unsuccessful frequency range.
S605：The described frequency range not networked is saved in the information of the successful frequency range that networks, and identify it is described this not
The frequency range of networking networks successfully.
After selecting a certain frequency range not networked to send networking request to base station, if by the frequency range that this does not network
Networking request can be successfully transmitted, illustrates that the frequency range that do not network can network successfully, now identify the frequency range that this does not network
Network successfully.
S606：Judge whether that each frequency range networks successfully, if not, S601 is returned, if it is, carrying out S607.
S607：Networking flow terminates.
The intelligent meter judges that each frequency range that itself is preserved networks successfully, then networking flow terminates.
Networked due to the multiple frequency ranges not networked will be preserved in the intelligent meter in the embodiment of the present invention, if do not networked
At least two frequency ranges can network successfully, i.e., intelligent meter can be carried out data transmission based at least two frequency ranges with base station, when
When intelligent meter selects the transmission that a frequency range carries out packet unsuccessful, i.e., when the frequency range is taken by other intelligent meters, Ke Yixuan
Selecting other frequency ranges carries out the transmission of packet, therefore the data that can be effectively prevented from causing using conflict by frequency range can not be sent out
Send successful problem.
Fig. 7 is a kind of structure drawing of device of data transfer provided in an embodiment of the present invention.
A kind of data transmission device is the embodiment of the invention provides, described device includes：
Selecting module 71, if recognize the presence of packet waiting for transmission for the intelligent meter, preserves according to itself
The information of successful at least two frequency range that networks and each frequency range it is current whether occupied information, selection unappropriated first
Frequency range, wherein any two frequency range is different at least two frequency range；
Sending module 72, for sending the packet using first frequency range；
First judges mark module 73, and judgement does not receive the packet and sends successfully really by first frequency range
When recognizing information, first frequency range is designated occupied；
Judge module 74, it is whether occupied for judging each frequency range that itself is preserved；If not, returning to selection mould
Block；If it is, triggering first choice sending module；
First choice sending module 75, for selecting the second frequency range, the packet is sent using second frequency range.
Described first judges that mark module 73 includes：
Updating block 731, for successfully response to be believed when the packet transmission is not received by first frequency range
During breath, update and send the frequency of failure；
Judge determining unit 732, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, if
It is, it is determined that not receiving the packet by first frequency range sends successful confirmation.
The judgement determining unit 732, is additionally operable to judge the frequency threshold value whether the transmission frequency of failure reaches setting,
If not, triggering sending module.
The first choice sending module 75, is additionally operable to：
If not receiving the packet by second frequency range sends successful confirmation, continue using described
Second frequency range sends the packet.
Described device also includes：
Mark module 76, if for sending successful confirmation letter by second UHF band reception to the packet
Breath, each frequency range preserved in intelligent meter is designated unoccupied.
Described device also includes：
Logging modle 77 is updated, if successfully confirmed for being sent by second UHF band reception to the packet
Information, by second frequency range update to sends successfully record in；And record packet transmission successful time point；
The selecting module 71 includes：
Judging unit 711 is calculated, the packet transmission of total preservation is successfully recorded for calculating current time and the transmission
Whether the difference at successful time point, judge the difference less than the time threshold for setting；If it is, triggering selection unit；
Select unit 712, for selecting unappropriated first frequency range.
Described device also includes：
Second selection sending module 78, for the information of at least two frequency ranges preserved for itself and each frequency range whether
Networked successful information, the frequency range that selection does not network, and the request that networks is sent to base station using the frequency range not networked；
Judge module 79 is preserved, if for the UHF band reception that does not network by this to networking success response information, general
The frequency range not networked is saved in the information of the successful frequency range that networks, and the frequency range not networked described in mark networks successfully, sentences
Disconnected whether each frequency range networks successfully, if not, returning to second selects sending module.
Described device also includes：
Update module 710, for the packet transmission is successful to ring when not received by the frequency range not networked
When answering information, update and send the frequency of failure；
Second judges mark module 713, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, such as
Fruit is, it is determined that not receiving the packet by the frequency range not networked sends successful confirmation, by it is described do not enter
The frequency range of net is designated the unsuccessful frequency range of networking.
The present invention provides a kind of data transmission method and device, if the intelligent meter is recognized has data waiting for transmission
Bag, the method includes：A1：The information and each frequency range of successful at least two frequency range of networking preserved according to itself it is current whether
Occupied information, selects unappropriated first frequency range, wherein any two frequency range is different at least two frequency range；
B1：The packet is sent using first frequency range；And judge that not receiving the packet by first frequency range sends out
When sending successful confirmation, first frequency range is designated occupied；C1：Judge itself preserve each frequency range whether
It is occupied, if not, return to step A1；If it is, the second frequency range of selection, the packet is sent using second frequency range.
Can be based on two at least two due to preserving the information of at least two frequency ranges, i.e. intelligent meter in the intelligent meter in the embodiment of the present invention
Individual frequency range carries out data transmission with base station, and when intelligent meter selects the transmission that frequency range carries out packet unsuccessful, i.e., this is frequently
When section is taken by other intelligent meters, the second frequency range can be selected to carry out the transmission of packet, therefore can be effectively prevented from because of frequency
The data that section is caused using conflict can not send successful problem.
For systems/devices embodiment, because it is substantially similar to embodiment of the method, so the comparing of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the application can be used and wherein include the computer of computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) is produced
The form of product.
The application is the flow with reference to method, equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (16)
1. a kind of data transmission method, it is characterised in that be applied to intelligent meter, if the intelligent meter recognize exist it is to be transmitted
Packet, the method includes：
A1：The information and each frequency range of successful at least two frequency range of networking preserved according to itself it is current whether occupied letter
Breath, selects unappropriated first frequency range, wherein any two frequency range is different at least two frequency range；
B1：The packet is sent using first frequency range；And judgement does not receive the data by first frequency range
When bag sends successful confirmation, first frequency range is designated occupied；
C1：Judge whether each frequency range that itself is preserved is occupied, if not, return to step A1；If it is, the frequency of selection second
Section, the packet is sent using second frequency range.
2. method according to claim 1, it is characterised in that described that the data are not received by first frequency range
Bag sends successful confirmation to be included：
When the successful response message of packet transmission is not received by first frequency range, update and send failure time
Number；
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining by first frequency range not
Receive the packet and send successful confirmation.
3. method according to claim 2, it is characterised in that judge the transmission frequency of failure whether reach setting time
Number threshold value, if not, methods described also includes：
Continue to send the packet using first frequency range.
4. method according to claim 1, it is characterised in that if not receiving the data by second frequency range
Bag sends successful confirmation, and methods described also includes：
Continue to send the packet using second frequency range.
5. method according to claim 1, it is characterised in that if by second UHF band reception to the packet
Successful confirmation is sent, methods described also includes：
Each frequency range preserved in intelligent meter is designated unoccupied.
6. method according to claim 1, it is characterised in that if by second UHF band reception to the packet
Successful confirmation is sent, methods described also includes：
By second frequency range update to sends successfully record in；And record packet transmission successful time point；
The information and each frequency range according at least two frequency ranges for itself preserving it is current whether occupied information, selection is not
Occupied first frequency range includes：
Calculate current time and the transmission successfully records the difference that total packet for preserving sends successful time point, judge institute
Whether difference is stated less than the time threshold for setting；
If it is, selection unappropriated first frequency range.
7. method according to claim 1, it is characterised in that obtain and preserve successful at least two frequency range of networking in advance
The process of information include：
A2：Whether information and each frequency range at least two frequency ranges for itself preserving network successful information, and selection does not enter
The frequency range of net, the request that networks is sent using the frequency range not networked to base station；
B2：If be saved in for the frequency range not networked to networking success response information by the UHF band reception not networked by this
The frequency range not networked in the information of successful frequency range that networks, and described in mark networks successfully, judges whether that each frequency range networks
Success, if not, return to step A2.
8. method according to claim 7, it is characterised in that if do not received by the frequency range not networked networked into
Work(response message, methods described also includes：
When the successful response message of packet transmission is not received by the frequency range not networked, update and send failure
Number of times；
Judge whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining by the frequency not networked
Duan Wei receives the packet and sends successful confirmation, and the frequency range not networked is designated into the unsuccessful frequency of networking
Section.
9. a kind of data transmission device, it is characterised in that described device includes：
Selecting module, if recognize the presence of packet waiting for transmission for the intelligent meter, according to itself preserve networking into
The information of at least two frequency ranges of work(and each frequency range it is current whether occupied information, select unappropriated first frequency range,
Any two frequency range is different in wherein described at least two frequency range；
Sending module, for sending the packet using first frequency range；
First judges mark module, judges that not receiving the packet by first frequency range sends successful confirmation
When, first frequency range is designated occupied；
Judge module, it is whether occupied for judging each frequency range that itself is preserved；If not, returning to selecting module；If
It is to trigger first choice sending module；
First choice sending module, for selecting the second frequency range, the packet is sent using second frequency range.
10. device as claimed in claim 9, it is characterised in that described first judges that mark module includes：
Updating block, for when not receiving the packet by first frequency range and sending successful response message, more
It is new to send the frequency of failure；
Determining unit is judged, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, determining logical
Cross first frequency range and do not receive the successful confirmation of the packet transmission.
11. devices as claimed in claim 10, it is characterised in that the judgement determining unit, are additionally operable to judge the transmission
Whether the frequency of failure reaches the frequency threshold value of setting, if not, triggering sending module.
12. devices as claimed in claim 9, it is characterised in that the first choice sending module, are additionally operable to：
If not receiving the packet by second frequency range sends successful confirmation, continue to use described second
Frequency range sends the packet.
13. devices as claimed in claim 9, it is characterised in that described device also includes：
Mark module, if for sending successful confirmation by second UHF band reception to the packet, by intelligence
Each frequency range preserved in energy table is designated unoccupied.
14. devices as claimed in claim 9, it is characterised in that described device also includes：
Logging modle is updated, if for sending successful confirmation by second UHF band reception to the packet,
By second frequency range update to sends successfully record in；And record packet transmission successful time point；
The selecting module includes：
Judging unit is calculated, for calculating current time and when the transmission successfully records the packet of total preservation and sends successful
Between put difference, judge the difference whether less than set time threshold；If it is, triggering selection unit；
Select unit, for selecting unappropriated first frequency range.
15. devices as claimed in claim 9, it is characterised in that described device also includes：
Second selection sending module, whether the information of at least two frequency ranges and each frequency range for being preserved for itself network into
The information of work(, the frequency range that selection does not network sends the request that networks using the frequency range not networked to base station；
Judge module is preserved, if do not entered this to networking success response information for the UHF band reception that does not network by this
The frequency range of net is saved in the information of the successful frequency range that networks, and the frequency range not networked described in mark networks successfully, judges whether
Each frequency range networks successfully, if not, returning to second selects sending module.
16. devices as claimed in claim 15, it is characterised in that described device also includes：
Update module, for sending successful response message when the frequency range not networked described in does not receive the packet
When, update and send the frequency of failure；
Second judges mark module, for judging whether the transmission frequency of failure reaches the frequency threshold value of setting, if it is, really
It is fixed that the successful confirmation of the packet transmission is not received by the frequency range not networked, by the frequency range not networked
It is designated the unsuccessful frequency range of networking.
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