CN107465537A - The backup method and system of Internet of Things repeater - Google Patents
The backup method and system of Internet of Things repeater Download PDFInfo
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- CN107465537A CN107465537A CN201710569783.9A CN201710569783A CN107465537A CN 107465537 A CN107465537 A CN 107465537A CN 201710569783 A CN201710569783 A CN 201710569783A CN 107465537 A CN107465537 A CN 107465537A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The embodiment of the invention discloses a kind of backup method and system of Internet of Things repeater, wherein method includes：The backup relays device of the first repeater is obtained, data cached by first repeater backs up to the backup relays device, and the backup relays device comprises at least the second repeater and the 3rd repeater；When detecting first repeaters fail, the priority of the backup relays device is obtained according to the performance parameter of the backup relays device；The priority of the backup relays device is ranked up, when the priority of the 3rd repeater is less than the priority of second repeater, the backup relays device using the 3rd repeater as second repeater；The internet-of-things terminal being connected with first repeater is switched into second repeater, by the data cached transmission of second repeater to the 3rd repeater.Using the present invention, fault-resistant ability can be improved, ensures that transmission data are not lost and network normal operation.
Description
Technical field
The present invention relates to Internet of Things field, has related generally to a kind of backup method and system of Internet of Things repeater.
Background technology
The tide of Internet of Things has influence on the various aspects of society and life, general due to close range communication techniques and product
And increasing internet-of-things terminal forms LAN or wide area network by things-internet gateway equipment.For example, in some families
Under scene, many internet-of-things terminals composition home network inside family, terminal such as mobile terminal, game machine etc. of user are set
It is standby, household electrical appliance such as TV, computer, electronic lock antitheft door, refrigerator and washing machine etc., it is accessible to this real-time performance intelligence
Household.
Repeater is a kind of device for connecting network line, the main function of completing physical layer, is responsible in two nodes
Step-by-step transmission information in physical layer, the duplication, adjustment and enlarging function of signal are completed, extend the length of network with this.Internet of Things
The premise that network termination is normally carried out business is that the communication with platform of internet of things keeps normal, in the case where communicating to connect disconnection,
Internet-of-things terminal can not send business datum can not also monitor the working condition of internet-of-things terminal to business platform, business platform.
Once repeater breaks down, network signal interrupts, and failed repeater can neither send data to access point, can not be to therewith
The internet-of-things terminal transmission data of connection, cause the technical problem of loss of data and network operation irregularity.
The content of the invention
It is special to cause loss of transmitted data and the technical problem of network operation irregularity when solving relay failure based on this
Propose a kind of backup method of Internet of Things repeater.
A kind of backup method of Internet of Things repeater, methods described are based on repeater subsystem, the repeater subsystem
Including at least the first repeater, the second repeater and the 3rd repeater, the backup node of first repeater comprises at least institute
The second repeater and the 3rd repeater are stated, methods described includes：
The backup relays device of the first repeater is obtained, data cached by first repeater is backed up in the backup
After device；
When detecting first repeaters fail, according to obtaining the performance parameter of the backup relays device
The priority of backup relays device；
The priority of the backup relays device is ranked up, is less than described second in the priority of the 3rd repeater
During the priority of repeater, the backup relays device using the 3rd repeater as second repeater；
The internet-of-things terminal being connected with first repeater is switched into second repeater, described second is relayed
The data cached transmission of device is to the 3rd repeater.
In one of the embodiments, the priority to the backup relays device is ranked up, including：
Calculated according to the transmission band occupation rate, the bit error rate and/or packet loss of the backup relays device of first repeater
The priority of the backup relays device of first repeater.
In one of the embodiments, methods described also includes：
When the data cached amount of capacity of first repeater reaches preset capacity threshold value or timer record
When time reaches default backup interval time, according to the priority of the backup relays device of first repeater in described first
Data cached after device is backed up.
In one of the embodiments, methods described also includes：
Detect the signal intensity of first repeater；
When the signal intensity is less than preset signals threshold value, data latency time will be received when being arranged to the second transmission
It is long；
Judge the data that the internet-of-things terminal is sent whether are received in the described second transmission duration；
If so, the reception data latency time is arranged to the first transmission duration；
If it is not, confirm first repeaters fail.
In one of the embodiments, after confirmation first repeaters fail, methods described also includes：
Open the radio-frequency enabled of second repeater；
The device identification for the internet-of-things terminal being connected described in obtaining with first repeater, generation device authentication coding,
The device authentication coding of the generation is sent to second repeater；
Second repeater judges the initiation connection request when receiving the connection request of the internet-of-things terminal
Internet-of-things terminal device identification whether with the device authentication codes match；
If the match is successful, receive it is described initiate connection request internet-of-things terminal be attached, search be not backed up it is described
The data to be backed up of internet-of-things terminal are backed up；
If it fails to match, the radio-frequency enabled of the backup relays device is closed.
The default checking information of internet-of-things terminal is the device identification of the internet-of-things terminal, refers to and is built in internet-of-things terminal and sets
The identification information for being used to be different from other equipment in standby chip, cannot be changed after equipment is dispatched from the factory, including manufacturer
Sequence number, the model of equipment, the information such as MAC Address of equipment.Device authentication coding is generated according to equipment identification information, i.e., by this
A little information change into the form of character code, such as specific format as " sequence number-model-MAC Address ", are easy to other to set
It is standby to be read out.
In addition, to cause loss of transmitted data and the technical problem of network operation irregularity when solving relay failure, spy carries
A kind of standby system of Internet of Things repeater is gone out.
A kind of standby system of Internet of Things repeater, the system are based on repeater subsystem, the repeater subsystem
Including at least the first repeater, the second repeater and the 3rd repeater, the backup relays device of first repeater comprises at least
Second repeater and the 3rd repeater, the system include：
First backup module, for obtaining the backup relays device of the first repeater, by the caching number of first repeater
According to backing up to the backup relays device；
Priority acquisition module, for when detecting first repeaters fail, according to the backup relays
The performance parameter of device obtains the priority of the backup relays device；
Backup relays device determining module, for being ranked up to the priority of the backup relays device, in the described 3rd
When the priority of device is less than the priority of second repeater, using the 3rd repeater as second repeater
Backup relays device；
Terminal handover module, for the internet-of-things terminal being connected with first repeater to be switched into second relaying
Device；
Second backup module, for by the data cached transmission of second repeater to the 3rd repeater.
In one of the embodiments, the priority acquisition module is specifically used for the backup according to first repeater
Transmission band occupation rate, the bit error rate and/or the packet loss of repeater calculate the priority of the backup relays device.
In one of the embodiments, first backup module is specifically used for working as the data cached of first repeater
Amount of capacity when reaching preset capacity threshold value or when time of timer record reaches default backup interval time, according to described
The priority of backup relays device backs up to the data cached of the first repeater.
In one of the embodiments, the system also includes：
Detection module, for detecting the signal intensity of first repeater；
First setup module, for when the signal intensity is less than preset signals threshold value, data latency time will to be received
It is arranged to the second transmission duration；
First judge module, for judging that whether receiving the internet-of-things terminal in the described second transmission duration sends
Data；
Second setup module, if be judged as YES for the breakdown judge module, by the reception data latency time
It is arranged to the first transmission duration；
Confirm module, if be judged as NO for the breakdown judge module, confirm that event occurs for first repeater
Barrier.
In one of the embodiments, the system also includes：
Radio-frequency module, for opening the radio-frequency enabled of second repeater；
Acquisition module, for obtaining the device identification of the internet-of-things terminal being connected with first repeater；
Generation module, for generating device authentication coding according to the device identification；
Sending module, for device authentication coding to be sent to second repeater；
Second judge module, for second repeater when receiving the connection request of the internet-of-things terminal, sentence
The device identification of the disconnected internet-of-things terminal for initiating connection request whether with the device authentication codes match；
If second backup module is specifically used for second judge module when the match is successful, receives and described initiate connection
The internet-of-things terminal of request is attached, and the data to be backed up for searching the internet-of-things terminal being not backed up are backed up；
When it fails to match if the radio-frequency module is additionally operable to second judge module, penetrating for the backup relays device is closed
Frequency function.
Implement the embodiment of the present invention, will have the advantages that：
After the backup method and the system that employ above-mentioned Internet of Things repeater, the first backup relays device of the first repeater
It is data cached to first on the first repeater to back up, when the first repeater breaks down, according to the first backup relays
The performance parameter of device obtains the priority of the first backup relays device.Because the priority of the second repeater is higher than the 3rd repeater,
Therefore the internet-of-things terminal being connected with the first repeater is switched to the second repeater, and the 3rd repeater is the second repeater
Second backup relays device, back up second data cached on the second repeater.In the case where not needing manual intervention, using more
It is data cached in the method backup failed repeater of backup relays device, select the repeater of highest priority in backup relays device
The internet-of-things terminal of connecting fault repeater, the repeater of other repeater backup highest priorities it is data cached, it is ensured that hold
It is continuous that network service is provided, complete the smooth transmission of data.
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
There is the required accompanying drawing used in technology description to be 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.
Wherein：
Fig. 1 is a kind of network connection figure of Internet of Things provided in an embodiment of the present invention；
Fig. 2 is a kind of structure chart of the standby system of Internet of Things repeater provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the backup method of Internet of Things repeater provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of the standby system of Internet of Things repeater provided in an embodiment of the present invention；
Fig. 4 A are the structure chart of the standby system of another Internet of Things repeater provided in an embodiment of the present invention；
Fig. 4 B are the structure chart of the standby system of another Internet of Things repeater provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of internet-of-things terminal provided in an embodiment of the present invention；
Fig. 6 is the structural representation of another internet-of-things terminal provided in an embodiment of the present invention.
Embodiment
The term " comprising " and " having " occurred in description of the invention, claims and accompanying drawing and their any changes
Shape, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or
The step of equipment is not limited to list or unit, but alternatively also include the step of not listing or unit, or it is optional
Ground is also included for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ", " the
Two " and " the 3rd " etc. are for distinguishing different objects, and are not intended to describe specific order.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
To cause loss of transmitted data and the technical problem of network operation irregularity when solving relay failure, in an implementation
In example, spy proposes a kind of processing method of failed repeater.The realization of this method can be dependent on computer program, the computer
Program can run on the computer installation based on von Neumann system, and the computer program can be the driving tube of repeater
Manage program or virtual device manager.
The network architecture of Internet of Things as shown in Figure 1 includes server, gateway, M access point, N number of repeater and some
Individual internet-of-things terminal, access point are connected by latticed forms such as Ethernet or 2G, 3G, 4G with gateway, repeater and multiple things
Networked terminals are connected with access point, and the data of collection are transmitted by internet-of-things terminal by repeater, by access point and net
Close the exchange that equipment upload server carries out data.
And the computer system is based on repeater subsystem, repeater subsystem as shown in Figure 2 is comprised at least in first
After device, the second repeater and the 3rd repeater, wherein the backup node of the first repeater comprise at least second repeater and
3rd repeater, the first repeater and backup relays device are the repeater at same node, and its function phase is same, in being used as
It is connected to after device in Internet of Things, and the backup relays device of the first repeater is used to back up the data cached of the first repeater.Backup
Repeater can be the repeater or idle repeater to work.It should be noted that in order to improve network
Fault-resistant ability, backup relays device can more than two, and the first repeater data cached while back up to multiple backup relays
In device.
Specifically, as shown in figure 3, a kind of backup method of Internet of Things repeater, including：
Step S102：The backup relays device of the first repeater is obtained, the data cached of the first repeater is backed up to
The backup relays device.
Repeater is mainly used in strengthening the coverage of access point AP wireless signal, for example, repeater can be Wi-Fi
Signal amplifier.In advance to the repeater design backup relays device in Internet of Things network environment, obtain in repeater subsystem
Repeater obtains the first repeater and comprises at least two repeaters of the second repeater and the 3rd repeater.Obtain the first repeater
Backup relays device, by the data backup cached on the first repeater to backup relays device, that is to say, that read the second repeater and
Data storage on 3rd repeater can obtain the data cached of the first repeater, it is ensured that data are not lost.On first repeater
It is data cached include internet-of-things terminal collection data, the data also sent including server to internet-of-things terminal.
Optionally, back up in realtime and understand the operating load and network operation expense of weighting material intranet network, therefore settable one
Individual load threshold, when data cached capacity is more than or equal to load threshold, repeater subsystem just backs up to it.Or
Person sets backup interval time, is backed up at regular intervals to data cached.
Specially：When the data cached amount of capacity of first repeater reaches preset capacity threshold value or timer
When time of record reaches default backup interval time, perform it is described by first repeater it is data cached back up to it is described
The step of backup relays device.Backup is caused to be lost so as to avoid to be attached with backup relays device in the first relay failure
Situation about losing occurs, and improves fault-resistant ability.
Step S104：When detecting first repeaters fail, joined according to the performance of the backup relays device
Number obtains the priority of the backup relays device.
In the present embodiment, when detecting that the first repeater sends failure, it should be determined that the priority of backup relays device,
Backed up according to priority, so as to improve backup efficiency.The performance parameter of backup relays device includes：Processing unit utilization rate,
Memory usage, the load information of input/output and the backup job number that is currently running.Specifically, backup relays device can be first
Establishing includes the data structure of above-mentioned four kinds of information, then gathers the load sample information of backup relays device itself, load is adopted
Sample information record is into the data structure of foundation；The load sample information of record is sent to Internet of Things by local ethernet again
In be responsible for the processor of handling failure accident；Processor is weighted according to the performance parameter of backup relays device, with presetting
Priority in numerical value be compared determine backup relays device performance parameter.Wherein, the data structure can be chained list or
Array etc., the embodiment of the present invention are not construed as limiting to the concrete form of data structure.
When processing unit utilization rate is C, memory usage M, the backup job number that is currently running are J, input/output
When load information is IO, master server calculates the processing unit utilization rate of backup server, memory usage, input/output
The weighted sum of load information and the backup job number being currently running, obtaining the priority L of backup relays device can be：
L=F (C, W, D)=b1*C+b2*W+b3*D (1)
In formula (1), X1, X2, X3 and X4 represent C, M, J and IO and are calculating the weight of priority, X1+X2+X3+X4=respectively
1.Wherein, Xi (i=1,2,3,4) specific value can be set or using recommended setting according to the running situation of server.For example,
X1=0.3, X2=0.3, X3=0.2, X4=0.2 are set.
Optionally, the data cached of the first repeater is backed up according to the priority of backup relays device, so as to improve backup effect
Rate.Specially：When the data cached amount of capacity of first repeater reaches preset capacity threshold value or timer records
Time when reaching default backup interval time, the caching according to the priority of the backup relays device to first repeater
Data are backed up.
The method for judging the first relay failure can be detect the first repeater signal intensity, according to signal intensity come
Judge, can also be judged when signal is weaker according to the real time for receiving data, more than reception data latency time
Do not receive that the internet-of-things terminal that reports is sent first is data cached, thinks failure.
Optionally, the signal intensity of first repeater is detected；When the signal intensity is less than preset signals threshold value,
Data latency time will be received and be arranged to the second transmission duration；Judge whether receive the thing in the described second transmission duration
The data that networked terminals are sent, if so, the reception data latency time is arranged into the first transmission duration, if it is not, then
Confirm first repeaters fail.
That is, when signal intensity is less than presupposed information threshold value, judge whether to receive in the second transmission duration
The data sent to internet-of-things terminal, if can, though if illustrating signal, the first repeater does not have failure problem；If no
Can, then illustrate that the first repeater may break down, that is, prevent trouble before it happens, improve the fault-resistant ability of Internet of Things repeater.And
The internet-of-things terminal that first repeater connects can be distributed to backup relays device, extend and receive data latency time, so as to reduce
The burden of first repeater, improve data transmission efficiency.
As an example it is assumed that preset signals threshold value is 60%, when the signal intensity of the first repeater is 50%, will receive
Data latency time is arranged to the second transmission duration 5 minutes, and at the end of 5 minutes, data are not transmitted, then it is assumed that the first repeater
Failure, the priority of backup relays device is obtained, data backup is carried out according to priority height.
Further, the order of backup is carried out according to the height of priority, so as to not influence network bandwidth, reduces network fortune
Row load.It is assumed that according to backup relays device mark order priority from small to large from high to low, if the mark of backup relays device
Know for 1~n when, that is, be identified as 1 backup relays device highest priority, the backup relays device priority for being identified as n is minimum.It is if pre-
If load threshold is 10M, then the backup of the second repeater is carried out when data cached amount of capacity is 10M, when the second relaying
Device backup is completed, the backup of the 3rd repeater, the like.Because the amount of capacity for transmitting data is uncontrollable, as long as so caching
The second repeater begins to back up when the amount of capacity of data reaches default load threshold.
Give one example again, if default backup interval time is 5 minutes, often spend 5 minutes to slow on the first repeater
Deposit data is backed up.
Step S106：The priority of the backup relays device is ranked up, it is low in the priority of the 3rd repeater
When the priority of second repeater, the backup relays device using the 3rd repeater as second repeater.
After the priority of backup relays device is obtained, backup relays device is ranked up according to the height of priority,
The priority of second repeater is higher than the 3rd repeater, then the second repeater takes over the work of the first repeater, and the 3rd relays
Backup relays device of the device as the second repeater.
Step S108：The internet-of-things terminal being connected with first repeater is switched into second repeater, by institute
The data cached transmission of the second repeater is stated to the 3rd repeater.
By the way of double copies, the second repeater and the 3rd repeater back up to the first repeater so that first
During repeaters fail, data cached on the first repeater is not lost, and chooses the second repeater of highest priority to hold
The work of the repeater of row first, the internet-of-things terminal connected on the first repeater is switched into the second repeater, by the 3rd relaying
Backup relays device of the device as the second repeater, cache the second repeater on it is data cached, to switching the first repeater it is same
When the second repeater is backed up, so as to improve the parallel processing performance of backup relays device, improve standby system entirety
Backup performance.
Optionally, the radio-frequency enabled of second repeater, the thing being connected described in acquisition with first repeater are opened
The device identification of networked terminals, generation device authentication coding, the device authentication coding of the generation is sent into described second
After device；Second repeater judges the initiation connection request when receiving the connection request of the internet-of-things terminal
The device identification of internet-of-things terminal whether with the device authentication codes match；If the match is successful, the initiation connection is received
The internet-of-things terminal of request is attached, and the data to be backed up for searching the internet-of-things terminal being not backed up are backed up；If
With failing, then the radio-frequency enabled of the backup relays device is closed.
In an alternative embodiment, in order to improve the security of Backup Data, internet-of-things terminal is in this connection when device
The device identification of internet-of-things terminal should be verified, when the match is successful for the device identification of internet-of-things terminal, then receives the initiation
The internet-of-things terminal of connection request is attached.
Internet-of-things terminal is that Sensor Network network layers and transport network layer are connected in Internet of Things, realizes gathered data and to Internet
The equipment for sending data, different device identifications are used for the different equipment of distinctive mark.For example, the device identification of internet-of-things terminal
Can be the MAC Address of internet-of-things terminal, MAC Address is also known as physical address or hardware address, for defining the network equipment
Position, the date of network time can also be accessed plus the terminal type life that either computer program is given tacit consent to internet-of-things terminal
Name or terminal type addend combinatorics on words, can also be the title that user saves as to internet-of-things terminal.By in first
The second repeater is switched to after the internet-of-things terminal on device, that is to say, that successful first relaying of the second repeater connectivity verification
Internet-of-things terminal on device.
In one embodiment, after the first relay failure, the internet-of-things terminal being connected with the first repeater is obtained
Device identification, device identification here refer to be built in the knowledge for being used to be different from other equipment in internet-of-things terminal device chip
Other information, cannot be changed after equipment is dispatched from the factory, including MAC Address of the model of manufacturer's sequence number, equipment, equipment etc.
Information.Device authentication coding is generated according to equipment identification information, i.e., these information are changed into the form of character code, such as
Specific format as " sequence number-model-MAC Address ", is easy to other equipment to be read out.Afterwards, by generation and first
The device authentication coding of the internet-of-things terminal of repeater connection is sent to the second repeater.Internet of Things is received in the second repeater
During the connection request of terminal, the device identification of internet-of-things terminal is obtained, facility information is therefrom read out and is set with what is preserved before
Standby certification coding is matched, internet-of-things terminal device identification with preserve the success of device authentication codes match when, can be with
Internet-of-things terminal is received to be attached.Encoded by preserving device authentication, judging directly to be attached after the match is successful, can be with
Avoid, when internet-of-things terminal initiates connection request to the second repeater, again conversating to equipment authentification of message and key being matched somebody with somebody
Equivalent process, so as to improve the communication efficiency of Internet of Things.
It should be noted that the device identification of internet-of-things terminal here is successfully wrapped with the device authentication codes match preserved
Situation about containing can have it is a variety of, for example, sequence number, model are all identical with MAC Address；Or only identification sequence number is identical
When, that is, judge device identification and the device authentication codes match success preserved；Or more than certain percentage only in character string
Character, which matches, thinks that the match is successful.The workload of data processing can be reduced by such mode, improves efficiency.
In the present embodiment, after the first relay failure, the MAC Address of the second repeater is broadcasted to internet-of-things terminal,
MAC Address is also known as physical address or hardware address, and for defining the position of the network equipment, each repeater has one individually
MAC Address, internet-of-things terminal can after the MAC Address of the second repeater is received, to the second repeater initiate connection please
Ask.
The implementation procedure of the present invention is stated with reference to a specific application scenarios.In the application scenarios, Internet of Things
There are 3 repeaters at a node in net, respectively repeater J, repeater K and repeater L, wherein repeater J are first
Repeater, communicated in a network, other the backup relays devices of two repeaters all as repeater J use, and only open
Store function.
In certain communication process once, repeater J breaks down, and is calculated according to repeater K and repeater L priority
As a result the priority for obtaining repeater K is higher than repeater L, and repeater K is arranged into the second repeater, repeater L is arranged to
Repeater K backup relays device.
Before repeater J breaks down, internet-of-things terminal 1 and internet-of-things terminal 2 are connected with repeater J, now, is opened
Open repeater K radio-frequency enabled.Repeater K obtains internet-of-things terminal 1 and the device authentication coding of internet-of-things terminal 2 is respectively
" 001-A1070-00010010 " and " 011-BC79-00101100 ", and preserved.Afterwards, repeater K is to internet-of-things terminal
1 and the broadcast repeater K of internet-of-things terminal 2 MAC Address " 00-01-6C-06-A6-29 ".
Internet-of-things terminal 1 and internet-of-things terminal 2 are sent out after the MAC Address is received, according to the MAC Address to repeater K
Play connection request.
Repeater K obtains internet-of-things terminal 1 and Internet of Things according to internet-of-things terminal 1 and the connection request of internet-of-things terminal 2
The equipment identification information of terminal 2 is respectively " 001-A1070-00010010 " and " 011-BC79-00101100 ", with preserving before
Device authentication coding it is identical, judge that the match is successful, receive the connection of internet-of-things terminal 1 and internet-of-things terminal 2.In repeater K
The course of work in, while by data cached Hot Spare into repeater L, ensure the reliability of Internet of Things Network Communication.
In an alternative embodiment, when the 3rd repeater back up the second repeater on it is data cached when, due to first relaying
Backup Data on device has backed up completion before the first relay failure, can be only to the internet-of-things terminal on the second repeater
The data cached are backed up, and are avoided repeating to back up, are saved BACKUP TIME.Specifically：It is described by first repeater
It is data cached to back up to the backup relays device and also include：The data cached backup for first repeater completed will be backed up
State is arranged to back up；It is described using the 3rd repeater as the backup relays device of second repeater after, obtain
The Status of Backups of the Backup Data of second repeater, it is that the Backup Data to be backed up backs up to by the Status of Backups
3rd repeater.
In an alternative embodiment, backup relays device can close the angle that radio-frequency enabled functions only as storage device when backup
Color, and when the first repeater role is served as, that is to say, that by the internet-of-things terminal of carry on the first repeater migrate to
Radio-frequency enabled is being opened during the second repeater, remaining backup relays device still closes radio-frequency enabled, reduces the occupancy of Installed System Memory, saves
About power consumption, strengthen cruising time.Specifically：It is described that the data cached of first repeater is backed up into the backup relays
Device also includes：Close the radio-frequency enabled of the backup relays device；The internet-of-things terminal that will be connected with first repeater
Switch to before second repeater, open the radio-frequency enabled of second repeater.
The device identification generation device authentication coding of the internet-of-things terminal connected according to the first repeater, when the device authentication
During the device authentication codes match of coding and the second repeater, just it is connected with second terminal, so as to improve Internet of Things repeater
Security；During transmission data that and if only if, the radio-frequency enabled of internet-of-things terminal is just opened, so as to save user, enhancing continuation of the journey energy
Power.And the 3rd repeater the Backup Data on the second repeater is identified, only back up treating for the internet-of-things terminal that is not backed up
Backup Data, so as to improve backup efficiency.
To cause loss of transmitted data and the technical problem of network operation irregularity when solving relay failure, in an implementation
In example, spy proposes a kind of standby system of Internet of Things repeater.As shown in figure 4, the standby system of above-mentioned Internet of Things repeater
Including the first backup module 102, priority acquisition module 104, backup relays device determining module 106, terminal handover module 108 with
And second backup module 110, wherein：
First backup module 102, for obtaining the backup relays device of the first repeater, by the caching of first repeater
Data backup is to the backup relays device；
Priority acquisition module 104, for when detecting first repeaters fail, according in the backup
After the priority of the performance parameter acquisition backup relays device of device；
Backup relays device determining module 106, for being ranked up to the priority of the backup relays device, the described 3rd
When the priority of repeater is less than the priority of second repeater, using the 3rd repeater as second repeater
Backup relays device；
Terminal handover module 108, for the internet-of-things terminal being connected with first repeater to be switched into described second
Repeater；
Second backup module 110, for by the data cached transmission of second repeater to the 3rd repeater.
In one of the embodiments, the priority acquisition module 104 is specifically used for according to first repeater
Transmission band occupation rate, the bit error rate and/or the packet loss of backup relays device calculate the backup relays device of first repeater
Priority.
In one of the embodiments, first backup module 102 is specifically used for the caching when first repeater
When the amount of capacity of data reaches preset capacity threshold value or when time of timer record reaches default backup interval time, according to
The priority of the backup relays device of first repeater backs up to the data cached of the first repeater.
In one of the embodiments, as shown in Figure 4 A, the system also includes：
Detection module 111, for detecting the signal intensity of first repeater；
First setup module 112, for when the signal intensity is less than preset signals threshold value, during by receiving data latency
Between be arranged to the second transmission duration；
First judge module 113, for judging whether receive the internet-of-things terminal in the described second transmission duration
The data of transmission；
Second setup module 114, for when the breakdown judge module is judged as YES, during by the reception data latency
Between be arranged to it is described first transmission duration；
Module 115 is confirmed, for when the breakdown judge module is judged as NO, then confirming that first repeater occurs
Failure.
In one of the embodiments, as shown in Figure 4 B, the system also includes：
Radio-frequency module 116, for opening the radio-frequency enabled of second repeater；
Acquisition module 117, for obtaining the device identification of the internet-of-things terminal being connected with first repeater；
Generation module 118, for generating device authentication coding according to the device identification；
Sending module 119, for device authentication coding to be sent to second repeater；
Second judge module 120, for second repeater when receiving the connection request of the internet-of-things terminal,
Judge it is described initiation connection request internet-of-things terminal device identification whether with the device authentication codes match；
Second backup module 110 is specifically used for when the match is successful for second judge module, receives the initiation
The internet-of-things terminal of connection request is attached, and the data to be backed up for searching the internet-of-things terminal being not backed up are backed up；
The radio-frequency module 116 is additionally operable to, when it fails to match for second judge module, close the backup relays device
Radio-frequency enabled.
Implement the embodiment of the present invention, will have the advantages that：
After the backup method and the system that employ above-mentioned Internet of Things repeater, the first backup relays device of the first repeater
It is data cached to first on the first repeater to back up, when the first repeater breaks down, according to the first backup relays
The performance parameter of device obtains the priority of the first backup relays device.Because the priority of the second repeater is higher than the 3rd repeater,
Therefore the internet-of-things terminal being connected with the first repeater is switched to the second repeater, and the 3rd repeater is the second repeater
Second backup relays device, back up second data cached on the second repeater.In the case where not needing manual intervention, using more
It is data cached in the method backup failed repeater of backup relays device, select the repeater of highest priority in backup relays device
The internet-of-things terminal of connecting fault repeater, the repeater of other repeater backup highest priorities it is data cached, it is ensured that hold
It is continuous that network service is provided, complete the smooth transmission of data.
Referring to Fig. 5, Fig. 5 is the structural representation of another terminal provided in an embodiment of the present invention.As shown in figure 5, this reality
Applying the terminal in example can include：One or more processors 801；One or more input equipments 802, one or more output
Equipment 803 and memory 804.Above-mentioned processor 801, input equipment 802, output equipment 803 and memory 804 pass through bus
805 connections.Memory 802 is used for store instruction, and processor 801 is used for the instruction for performing the storage of memory 802.Wherein, handle
Device 801 is used for：The backup relays device of the first repeater is obtained, data cached by first repeater backs up to the backup
Repeater；When detecting first repeaters fail, according to obtaining the performance parameter of the backup relays device
The priority of backup relays device；The priority of the backup relays device is ranked up, in the priority of the 3rd repeater
Less than second repeater priority when, the backup relays device using the 3rd repeater as second repeater；
The internet-of-things terminal being connected with first repeater is switched into second repeater, by the caching of second repeater
Data are sent to the 3rd repeater.
It should be appreciated that in embodiments of the present invention, alleged processor 801 can be CPU (Central
Processing Unit, CPU), the processor can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other FPGAs
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
It can also be any conventional processor etc. to manage device.
Input equipment 802 can include Trackpad, fingerprint adopt sensor (finger print information that is used to gathering user and fingerprint
Directional information), microphone etc., output equipment 803 can include display (LCD etc.), loudspeaker etc..
The memory 804 can include read-only storage and random access memory, and to processor 801 provide instruction and
Data.The a part of of memory 804 can also include nonvolatile RAM.For example, memory 804 can also be deposited
Store up the information of device type.
In the specific implementation, processor 801, input equipment 802, the output equipment 803 described in the embodiment of the present invention can
Perform the realization side described in the first embodiment and second embodiment of the method for charge prompting provided in an embodiment of the present invention
Formula, the implementation of the terminal described by the embodiment of the present invention is also can perform, will not be repeated here.
A kind of computer-readable recording medium, above computer readable storage medium are provided in another embodiment of the invention
Matter is stored with computer program, and above computer program is realized when being executed by processor：Obtain the backup relays of the first repeater
Device, data cached by first repeater back up to the backup relays device；Detecting the first repeater generation
During failure, the priority of the backup relays device is obtained according to the performance parameter of the backup relays device；To the backup relays
The priority of device is ranked up, when the priority of the 3rd repeater is less than the priority of second repeater, by institute
State backup relays device of the 3rd repeater as second repeater；The internet-of-things terminal that will be connected with first repeater
Second repeater is switched to, by the data cached transmission of second repeater to the 3rd repeater.
Above computer readable storage medium storing program for executing can be the internal storage unit of the above-mentioned terminal of foregoing any embodiment, example
Such as the hard disk or internal memory of terminal.Above computer readable storage medium storing program for executing can also be the External memory equipment of above-mentioned terminal, such as
The plug-in type hard disk being equipped with above-mentioned terminal, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card) etc..Further, above computer readable storage medium storing program for executing can also be wrapped both
Including the internal storage unit of above-mentioned terminal also includes External memory equipment.Above computer readable storage medium storing program for executing is above-mentioned for storing
Other programs and data needed for computer program and above-mentioned terminal.Above computer readable storage medium storing program for executing can be also used for temporarily
When store the data that has exported or will export.
Fig. 6 is illustrated that the block diagram of the part-structure of the mobile phone related to terminal provided in an embodiment of the present invention.Reference chart
6, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 910, memory 920, input block 930, display unit 940,
Sensor 950, voicefrequency circuit 960, Wireless Fidelity (wireless fidelity, Wi-Fi) module 970, processor 980 and
The grade part of power supply 990.It will be understood by those skilled in the art that the handset structure shown in Fig. 6 does not form the restriction to mobile phone,
It can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 6：
RF circuits 910 can be used for receive and send messages or communication process in, the reception and transmission of signal, especially, by base station
After downlink information receives, handled to processor 980；In addition, it is sent to base station by up data are designed.Generally, RF circuits 910
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 910 can also be communicated by radio communication with network and other equipment.
Above-mentioned radio communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), WCDMA
(Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution,
LTE), Email, Short Message Service (Short Messaging Service, SMS) etc..
Memory 920 can be used for storage software program and module, and processor 980 is stored in memory 920 by operation
Software program and module, so as to perform the various function application of mobile phone and data processing.Memory 920 can mainly include
Storing program area and storage data field, wherein, storing program area can storage program area, the application journey needed at least one function
Sequence (such as sound-playing function, image player function etc.) etc.；Storage data field can store uses what is created according to mobile phone
Data (such as voice data, phone directory etc.) etc.., can be with addition, memory 920 can include high-speed random access memory
Including nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.
Input block 930 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the key signals input that function control is relevant.Specifically, input block 930 may include that contact panel 931 and other inputs are set
Standby 932.Contact panel 931, also referred to as touch-screen, collect user on or near it touch operation (such as user use
The operation of any suitable object such as finger, stylus or annex on contact panel 930 or near contact panel 930), and root
Corresponding attachment means are driven according to formula set in advance.Optionally, contact panel 930 may include touch detecting apparatus and touch
Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected,
Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching
Point coordinates, then give processor 980, and the order sent of reception processing device 980 and can be performed.Furthermore, it is possible to using electricity
The polytypes such as resistive, condenser type, infrared ray and surface acoustic wave realize contact panel 930.Except contact panel 930, input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but is not limited to secondary or physical bond
One or more in disk, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Display unit 940 can be used for display by user input information or be supplied to user information and mobile phone it is various
Menu.Display unit 940 may include display panel 941, optionally, can use liquid crystal display (Liquid Crystal
Display, LCD), the form such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 941.Further, contact panel 930 can cover display panel 941, when contact panel 930 is detected thereon or attached
After near touch operation, processor 980 is sent to determine the type of touch event, is followed by subsequent processing device 980 according to touch event
Type corresponding visual output is provided on display panel 941.Although in figure 6, contact panel 930 and display panel 941
It is the part independent as two to realize the input of mobile phone and input function, but in some embodiments it is possible to by touch-control
Panel 930 is integrated with display panel 941 and realizes input and the output function of mobile phone.
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 941, proximity transducer can close display panel 941 when mobile phone is moved in one's ear
And/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (generally three axles) acceleration
Size, size and the direction of gravity are can detect that when static, (for example horizontal/vertical screen is cut available for the application of identification mobile phone posture
Change, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；May be used also as mobile phone
The other sensors such as the gyroscope of configuration, barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 961, sound is converted to by loudspeaker 961 by road 960
Signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
Voice data is changed to, then after voice data output processor 980 is handled, through RF circuits 910 to be sent to such as another mobile phone,
Or voice data is exported to memory 920 further to handle.
Wi-Fi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses by Wi-Fi module 970
Mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 6 is shown
Wi-Fi module 970, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, completely can be as needed not
Change in the essential scope of invention and omit.
Processor 980 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, is led to
Cross operation or perform the software program and/or module being stored in memory 920, and call and be stored in memory 920
Data, the various functions and processing data of mobile phone are performed, so as to carry out integral monitoring to mobile phone.Optionally, processor 980 can wrap
Include one or more processing units；Preferably, processor 980 can integrate application processor and modem processor, wherein, should
Operating system, user interface and application program etc. are mainly handled with processor, modem processor mainly handles radio communication.
It is understood that above-mentioned modem processor can not also be integrated into processor 980.
Mobile phone also includes the power supply 990 (such as battery) to all parts power supply, it is preferred that power supply can pass through power supply pipe
Reason system and processor 980 are logically contiguous, so as to realize management charging, electric discharge and power managed by power-supply management system
Etc. function.
Although being not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specially
Industry technical staff can realize described function using distinct methods to each specific application, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, the end of foregoing description
End and the specific work process of unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed terminal and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of said units, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed phase
Coupling or direct-coupling or communication connection between mutually can be INDIRECT COUPLING or the communication by some interfaces, device or unit
Connection or electricity, the connection of mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
It is that unit is individually physically present or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art, or all or part of the technical scheme can be in the form of software product
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment above method of the present invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The backup method and system of Internet of Things repeater provided in an embodiment of the present invention are described in detail above, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, the think of according to the present invention
Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (10)
1. a kind of backup method of Internet of Things repeater, it is characterised in that methods described is based on repeater subsystem, the relaying
Device subsystem comprises at least the first repeater, the second repeater and the 3rd repeater, the backup relays device of first repeater
Include including at least second repeater and the 3rd repeater, methods described：
The backup relays device of the first repeater is obtained, data cached by first repeater backs up to the backup relays
Device；
When detecting first repeaters fail, the backup is obtained according to the performance parameter of the backup relays device
The priority of repeater；
The priority of the backup relays device is ranked up, relayed in the priority of the 3rd repeater less than described second
During the priority of device, the backup relays device using the 3rd repeater as second repeater；
The internet-of-things terminal being connected with first repeater is switched into second repeater, by second repeater
It is data cached to send to the 3rd repeater.
2. according to the method for claim 1, it is characterised in that the priority to the backup relays device is arranged
Sequence, including：
According to calculating the transmission band occupation rate, the bit error rate and/or packet loss of the backup relays device of first repeater
The priority of backup relays device.
3. method according to claim 1 or 2, it is characterised in that methods described also includes：
When the data cached amount of capacity of first repeater reaches preset capacity threshold value or timer record time
When reaching default backup interval time, according to the priority of the backup relays device to first repeater it is data cached enter
Row backup.
4. according to the method for claim 3, it is characterised in that methods described also includes：
Detect the signal intensity of first repeater；
When the signal intensity is less than preset signals threshold value, data latency time will be received and be arranged to the second transmission duration；
Judge the data that the internet-of-things terminal is sent whether are received in the described second transmission duration；
If so, the reception data latency time is arranged to the first transmission duration；
If it is not, confirm first repeaters fail.
5. according to the method for claim 4, it is characterised in that it is described confirm first repeaters fail it
Afterwards, methods described also includes：
Open the radio-frequency enabled of second repeater；
The device identification for the internet-of-things terminal being connected described in obtaining with first repeater, generation device authentication coding, by institute
The device authentication coding for stating generation is sent to second repeater；
Second repeater judges the thing of the initiation connection request when receiving the connection request of the internet-of-things terminal
The device identification of networked terminals whether with the device authentication codes match；
If the match is successful, receive the internet-of-things terminal for initiating connection request and be attached, search the Internet of Things being not backed up
The data to be backed up of network termination are backed up；
If it fails to match, the radio-frequency enabled of the backup relays device is closed.
6. a kind of standby system of Internet of Things repeater, it is characterised in that the system is based on repeater subsystem, the relaying
Device subsystem comprises at least the first repeater, the second repeater and the 3rd repeater, the backup relays device of first repeater
Including at least second repeater and the 3rd repeater, the system includes：
First backup module, for obtaining the backup relays device of the first repeater, by the data cached standby of first repeater
Part to the backup relays device；
Priority acquisition module, for when detecting first repeaters fail, according to the backup relays device
Performance parameter obtains the priority of the backup relays device；
Backup relays device determining module, for being ranked up to the priority of the backup relays device, in the 3rd repeater
Priority be less than second repeater priority when, the backup using the 3rd repeater as second repeater
Repeater；
Terminal handover module, for the internet-of-things terminal being connected with first repeater to be switched into second repeater；
Second backup module, for by the data cached transmission of second repeater to the 3rd repeater.
7. system according to claim 6, it is characterised in that the priority acquisition module is specifically used for according to described the
Transmission band occupation rate, the bit error rate and/or the packet loss of the backup relays device of one repeater calculate the excellent of the backup relays device
First level.
8. the system according to claim 6 or 7, it is characterised in that first backup module is specifically used for when described the
When the data cached amount of capacity of one repeater reaches preset capacity threshold value or time of timer record reaches default backup
During interval time, the data cached of the first repeater is backed up according to the priority of the backup relays device.
9. system according to claim 8, it is characterised in that the system also includes：
Detection module, for detecting the signal intensity of first repeater；
First setup module, set for data latency time when the signal intensity is less than preset signals threshold value, will to be received
For the second transmission duration；
First judge module, for judging to transmit the number for whether receiving the internet-of-things terminal in duration and sending described second
According to；
Second setup module, for when the breakdown judge module is judged as YES, the reception data latency time to be set
For the described first transmission duration；
Module is confirmed, for when the breakdown judge module is judged as NO, then confirming first repeaters fail.
10. system according to claim 9, it is characterised in that the system also includes：
Radio-frequency module, for opening the radio-frequency enabled of second repeater；
Acquisition module, for obtaining the device identification of the internet-of-things terminal being connected with first repeater；
Generation module, for generating device authentication coding according to the device identification；
Sending module, for device authentication coding to be sent to second repeater；
Second judge module, for second repeater when receiving the connection request of the internet-of-things terminal, judge institute
State initiate connection request internet-of-things terminal device identification whether with the device authentication codes match；
Second backup module is specifically used for when the match is successful for second judge module, receives the initiation connection request
Internet-of-things terminal be attached, the data to be backed up for searching the internet-of-things terminal being not backed up are backed up；
The radio-frequency module is additionally operable to, when it fails to match for second judge module, close the radio frequency work(of the backup relays device
Energy.
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| CN201710569783.9A CN107465537A (en) | 2017-07-13 | 2017-07-13 | The backup method and system of Internet of Things repeater |
| PCT/CN2017/100552 WO2019010778A1 (en) | 2017-07-13 | 2017-09-05 | Backup method and system for internet of things repeater |
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| CN201710569783.9A CN107465537A (en) | 2017-07-13 | 2017-07-13 | The backup method and system of Internet of Things repeater |
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| WO2019010778A1 (en) | 2019-01-17 |
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