CN107659952A - repeater backup method and access point - Google Patents
repeater backup method and access point Download PDFInfo
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- CN107659952A CN107659952A CN201710759291.6A CN201710759291A CN107659952A CN 107659952 A CN107659952 A CN 107659952A CN 201710759291 A CN201710759291 A CN 201710759291A CN 107659952 A CN107659952 A CN 107659952A
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- Prior art keywords
- repeater
- terminal
- backup
- target
- access point
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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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
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
Abstract
The invention discloses a kind of repeater backup method and access point.Methods described includes：Access point obtains the operating index of target repeater, judges whether the operating index of target repeater is less than predetermined threshold value；If it is, access point obtains the caching margin value of multiple neighbouring repeaters, and data backup repeater is selected from multiple neighbouring repeaters according to the caching margin value of multiple neighbouring repeaters, and terminal backup repeater is selected from remaining neighbouring repeater；The data cached data backup repeater that is sent to that access point uploads target repeater is cached；Access point sends switching command to target repeater, wherein, switching command is used to indicate that the terminal under target repeater administration switches to terminal backup repeater from target repeater, wherein, access point administration target repeater and multiple adjacent relays.
Description
Technical field
The present invention relates to the communication technology, more particularly to a kind of repeater backup method and device.
Background technology
In remote suburban environment, due to the influence of the factors such as terrain environment, the erection density of launching tower is relatively low, causes net
Network coverage rate is simultaneously insufficient to, or, in some " blind spot " regions, due to the influence disturbed with destructive multipath, cause
" blind spot " region can not normal transmission or reception signal, even, can also make originally can be just for the material of building and structure sometimes
The signal often received and dispatched significantly weakens, and causes the communication quality of network very poor.In order to solve the above problems, can set in a network
Put repeater (repeater, RP).Repeater can be used for the two-way converting work of signal between two network nodes, by right
The duplication of data-signal, adjustment, amplify, resend or forward, improve the network coverage to realize, overcome network transmission
" blind spot " and improve network communication quality.
Found during those skilled in the art's long-term practice, because repeater is one of whole communication link
Important step, if failure occurs in repeater, whole interrupted communication link can be caused, and can not normal transmission data.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of repeater backup method and access point, it is real
The safety for ensureing data and the reliability for improving communication link are showed.
First aspect, there is provided a kind of repeater backup method,
Access point obtains the operating index of target repeater, and judges whether the operating index of the target repeater is less than
Predetermined threshold value；
When the operating index is less than predetermined threshold value, i.e., described repeater can not normally be run, and access point will determine that
The target repeater failure sign.Then, described access point obtains the caching margin value of multiple neighbouring repeaters, and root
Data backup repeater is selected from the multiple neighbouring repeater according to the caching margin value of the multiple neighbouring repeater, and
Terminal backup repeater is selected from remaining neighbouring repeater；
Described access point data cached be sent to what the target repeater uploaded the data backup repeater and carried out
Caching, wherein, the terminal under the data cached administration for the target repeater is uploaded to the data of the target repeater；
Described access point sends switching command to the target repeater, wherein, the switching command is described for indicating
Terminal under target repeater administration switches to the terminal backup repeater from the target repeater.Wherein, the access
Point administers the target repeater and the multiple adjacent relays.In embodiments of the present invention, the switching command includes
The mark of the terminal backup repeater.The mark of terminal backup repeater can be bit, scrambler or other running time-frequency resources letter
Any one in breath or a variety of combinations.
In embodiments of the present invention, access point can be gateway, gateway, protocol converter, WAP etc.
The upper layer device of repeater, described access point is on the level of the transport layer to realize network interconnection, net that can be different to two upper-layer protocols
Network serves as conversion important task, so as to realize the interconnection of the different network of two upper-layer protocols.
It can be seen that after access point will determine that the target repeater failure sign, connect from first aspect embodiment
Access point can therefrom select suitable neighbouring repeater as data backup according to the caching margin value of multiple neighbouring repeaters
Repeater, avoid the neighbouring repeater to caching margin value deficiency by data buffer storage.Also, the end under target repeater is administered
Holding the data storage uploaded, the terminal under target repeater is administered switches to terminal backup relaying in data backup repeater
Device, so as to form the effect of double copies.Repeater fault-resistant ability can be strengthened using double copies scheme, avoid the failure
Harmful effect caused by sign.
It should be noted that during data backup, if data cached in access point is updated, then
Access point can also send fresh information to data backup repeater, in order to which data backup repeater synchronization updates,
That is the process of data backup is a kind of Hot Spare.
With reference in a first aspect, in the first possible embodiment of first aspect, selected from remaining neighbouring repeater
Selecting out terminal backup repeater is specially：
According to the performance indications of the remaining neighbouring repeater terminal is selected from the remaining neighbouring repeater
Backup relays device, wherein, the performance indications include the quantity of the terminal of access, channel width, the working time of channel, channel
One or more of signal to noise ratio combination
That is, according to double copies scheme, the neighbouring relaying of the neighbouring repeater of Backup Data and again carry terminal
Device simultaneously differs, so, after data backup repeater is determined by caching margin value, access point is needed from remaining neighbouring
Terminal backup repeater is selected in repeater, the terminal backup repeater is the neighbouring relaying for carry terminal again
Device.
Specifically, performance indications selection terminal backup repeater of the access point based on remaining neighbouring repeater.It is such as adjacent
When the quantity of the terminal of access is fewer in nearly repeater, or, when channel width is bigger, or, got over when the working time of channel
It is long, or, when signal to noise ratio is bigger, illustrate that the transmittability of channel is stronger, then it is standby to be more suitable as terminal adjacent to repeater for this
Part repeater.In concrete operations, access point can be according to the weights of different performance indications from the remaining neighbouring repeater
In select suitable neighbouring repeater as terminal backup repeater, in order to carry terminal.
With reference to the first possible embodiment of first aspect, in second of possible embodiment of first aspect,
Terminal backup relaying is selected from the remaining neighbouring repeater according to the performance indications of the remaining neighbouring repeater
Also include before device：
When judging that target repeater broken down sign, network equipment access point sends to remaining neighbouring repeater and surveyed
Amount order, wherein, the measuring command is used for the performance indications for obtaining the remaining neighbouring repeater.As can be seen that send
Measuring command is to access the first step of point selection terminal backup repeater, and access point receives remaining neighbour according to measuring command
The performance indications of nearly repeater, and then realize and select terminal backup repeater according to the performance indications.
With reference to any of the above-described kind of possible embodiment of first aspect, the third possible embodiment of first aspect
In, the target repeater is the trunking for the communication connection that device-to-device D2D between terminal device be present, wherein,
The communication connection of the D2D is Wi-Fi, bluetooth, Zigbee and the D2D based on Long Term Evolution LTE are communicated to connect.Namely
Say, because target repeater can administer one or more terminal devices, repeater can directly be established with terminal and communicated to connect, may be used also
Establish and communicate to connect with terminal indirectly, in the scheme of communication connection involved in the present invention, set in repeater and terminal room
The scheme of multi-hop relay equipment also belongs to protection scope of the present invention.
With reference to any of the above-described kind of possible embodiment of first aspect, the 4th kind of possible embodiment of first aspect
In, the terminal backup repeater is the proprietary backup equipment of the target repeater.That is, relayed to terminal backup
In the determination scheme of device, it is possible to specify some or some terminal backup repeaters are set as the proprietary backup of the target repeater
It is standby.In addition, in the embodiment of the present invention, when the terminal quantity for it is multiple when, access point can from it is described it is remaining it is neighbouring in
It is one of as terminal backup repeater after being selected in device, it can also be selected as needed from the remaining neighbouring repeater
Several are selected out as terminal backup repeater.
In embodiments of the present invention, standby neighbouring repeater includes two kinds of situations：(1) standby neighbouring repeater is usually
Any forwarding service is not carried, and standby neighbouring repeater is only used as the standby of target repeater, when event occurs in target repeater
When hindering sign, the terminal of the data of target repeater and institute's carry is transferred in standby neighbouring repeater.(2) in standby
Other business are usually also carried after device, when target repeater failure sign, by target repeater data and institute's carry
Terminal is transferred in standby neighbouring repeater, that is to say, that standby neighbouring repeater undertakes the business and mesh of itself simultaneously
Mark the business of repeater transfer.
Second aspect, there is provided a kind of access point, including judge module, selecting module, backup module and handover module,
The judge module is used for the operating index for obtaining target repeater, and judges that the operation of the target repeater refers to
Whether mark is less than predetermined threshold value；When the operating index is less than predetermined threshold value, i.e., described repeater can not normally be run, and be sentenced
Disconnected module will determine that the target repeater failure sign.
The selecting module is used in the case where operating index is less than predetermined threshold value, obtains the slow of multiple neighbouring repeaters
Surplus value, and data are selected from the multiple neighbouring repeater according to the caching margin value of the multiple neighbouring repeater
Backup relays device, and select terminal backup repeater from remaining neighbouring repeater；
The backup module is used to data cached be sent to the data backup by what the target repeater uploaded and relay
Device is cached, wherein, the terminal under the data cached administration for the target repeater is uploaded to the target repeater
Data；
The handover module is used to send switching command to the target repeater, wherein, the switching command is used to refer to
Show that the terminal under the target repeater administration switches to the terminal backup repeater from the target repeater, wherein, institute
State access point and administer the target repeater and the multiple adjacent relays.In embodiments of the present invention, the switching refers to
Order includes the mark of the terminal backup repeater.The mark of terminal backup repeater can be bit, scrambler or other time-frequencies
Any one in resource information or a variety of combinations.
In embodiments of the present invention, access point can be gateway, gateway, protocol converter, WAP etc.
The upper layer device of repeater, described access point is on the level of the transport layer to realize network interconnection, net that can be different to two upper-layer protocols
Network serves as conversion important task, so as to realize the interconnection of the different network of two upper-layer protocols.
It is can be seen that from first aspect embodiment in described access point, judge module judges that the target repeater goes out
After existing fault evidence, selecting module can therefrom be selected suitable according to the caching margin value of multiple neighbouring repeaters
After device as data backup repeater, the neighbouring repeater to caching margin value deficiency by data buffer storage is avoided.Also, backup mould
Target repeater is administered the data storage of lower terminal upload in data backup repeater by block, and handover module is by target repeater
Terminal under administration switches to terminal backup repeater, so as to form the effect of double copies.It can be increased using double copies scheme
Strong repeater fault-resistant ability, avoids harmful effect caused by the fault evidence.
It should be noted that during data backup, if data cached in access point is updated, then
Backup module can also send fresh information to data backup repeater, in order to which data backup repeater synchronization updates,
That is, the process of data backup is a kind of Hot Spare.
With reference to second aspect, in the first possible embodiment of second aspect, the selecting module is specifically used for root
Terminal backup repeater is selected from the remaining neighbouring repeater according to the performance indications of the remaining neighbouring repeater,
Wherein, the performance indications include the quantity of the terminal of access, channel width, the working time of channel, in the signal to noise ratio of channel
One or more combinations.
That is, according to double copies scheme, the neighbouring relaying of the neighbouring repeater of Backup Data and again carry terminal
Device simultaneously differs, so, after data backup repeater is determined by caching margin value, selecting module is needed from remaining neighbour
Terminal backup repeater is selected in nearly repeater, the terminal backup repeater is the neighbouring relaying for carry terminal again
Device.
Specifically, performance indications selection terminal backup repeater of the selecting module based on remaining neighbouring repeater.Such as
When the quantity of the terminal of access is fewer in neighbouring repeater, or, when channel width is bigger, or, when the working time of channel
It is longer, or, when signal to noise ratio is bigger, illustrate that the transmittability of channel is stronger, then this is more suitable as terminal adjacent to repeater
Backup relays device.In concrete operations, selecting module can according to the weights of different performance indications from it is described it is remaining it is neighbouring in
After selecting suitable neighbouring repeater in device as terminal backup repeater, in order to carry terminal.
With reference to the first possible embodiment of second aspect, in second of possible embodiment of second aspect,
Described device also includes sending module and receiving module,
When judging that target repeater broken down sign, the sending module is used for the remaining neighbouring repeater
Measuring command is sent, wherein, the measuring command is used for the performance indications for obtaining the remaining neighbouring repeater.It can see
Go out, sending module send measuring command be selecting module selection terminal backup repeater first step, receiving module according to
Measuring command receives the performance indications of remaining neighbouring repeater, and then realizes and select terminal backup according to the performance indications
Repeater.
With reference to any of the above-described kind of possible embodiment of second aspect, the third possible embodiment of second aspect
In, the target repeater is the trunking for the communication connection that device-to-device D2D between terminal device be present, wherein,
The communication connection of the D2D is Wi-Fi, bluetooth, Zigbee and the D2D based on Long Term Evolution LTE are communicated to connect.Namely
Say, because target repeater can administer one or more terminal devices, repeater can directly be established with terminal and communicated to connect, may be used also
Establish and communicate to connect with terminal indirectly, in the scheme of communication connection involved in the present invention, set in repeater and terminal room
The scheme of multi-hop relay equipment also belongs to protection scope of the present invention.
With reference to any of the above-described kind of possible embodiment of second aspect, the 4th kind of possible embodiment of second aspect
In, the terminal backup repeater is the proprietary backup equipment of the target repeater.That is, relayed to terminal backup
In the determination scheme of device, it is possible to specify some or some terminal backup repeaters are set as the proprietary backup of the target repeater
It is standby.In addition, in the embodiment of the present invention, when the terminal quantity for it is multiple when, selecting module can be from described remaining neighbouring
One of them is selected in repeater and is used as terminal backup repeater, also can be as needed from the remaining neighbouring repeater
Several are selected as terminal backup repeater.
The third aspect, there is provided a kind of access point, including：At least one processor, communication interface, user interface and storage
Device, processor, communication interface, user interface and memory can be connected by bus or other manner, and memory is used to store
Batch processing code, processor are used to call the program code stored in memory, perform a kind of relaying described in first aspect
Device backup method.
By implementing the embodiment of the present invention, can therefrom be selected properly according to the caching margin value of multiple neighbouring repeaters
Neighbouring repeater as data backup repeater, avoid the neighbouring repeater to caching margin value deficiency by data buffer storage.And
And target repeater is administered into the data storage of lower terminal upload in data backup repeater, target repeater is administered down
Terminal switch to terminal backup repeater, the effect of double copies can be formed.
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.
Fig. 1 is the configuration diagram of the junction network of prior art；
Fig. 2 is a kind of repeater backup method schematic flow sheet provided in an embodiment of the present invention；
Fig. 3 is another repeater backup method schematic flow sheet provided in an embodiment of the present invention；
Fig. 4 is a kind of access point schematic diagram provided in an embodiment of the present invention；
Fig. 5 is another access point schematic diagram provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation 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.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other implications.It is also understood that this
Term "and/or" used herein refers to and comprising any or all possible group associated of list items purpose of one or more
Close.
In order to make it easy to understand, before the present invention is introduced, the framework of the junction network of prior art is introduced first.Such as Fig. 1
Shown, the junction network of prior art includes：Terminal 111, repeater 112 and gateway 113.Above-mentioned terminal is according to different feelings
Condition can have the different forms of expression, such as the terminal is specifically as follows：The equipment such as mobile phone, tablet personal computer, computer, certainly
It can also include the other equipment with network savvy, such as intelligent television, intelligent air condition, intelligent kettle or other intelligence
Equipment.Repeater belongs to same frequency multiplying arrangement, refers to a kind of radio that signal enhancing is played during wireless communication transmissions
Launch transferring equipment, repeater divides according to the standard of communication, can be GSM repeaters, CDMA repeaters, 3G repeaters, 4G
Repeater can even is that the 5G repeaters in future etc..Gateway 113 is also known as gateway, protocol converter, and gateway is passing
To realize network interconnection on defeated layer, conversion important task can be served as to two different networks of upper-layer protocol, so as to realize two high levels
The interconnection of the different network of agreement.
When terminal needs to send data to the network of other agreements by gateway, in order to obtain the higher chain appearance of a street
Amount and preferably covering, can add one or more repeaters between gateway and terminal, be responsible for carrying out once data
Or multiple forwarding, i.e. data will get to terminal by multi-hop.It is exactly by one by taking better simply double bounce relaying as an example
" gateway-terminal " link is divided into " gateway-repeater " and " repeater-terminal " two links, so as to by a matter
Measure poor link and replace with two preferable links of quality, to obtain higher link capacity and preferably covering.It is meanwhile right
For terminal, the communication of terminal and inter-repeater belongs to device-to-device (Device to Device, D2D) communication, the two
Between the power that is consumed of data transfer it is low.In other words, terminal is communicated by the transfer of repeater with gateway, is reduced
Transmission power during data transfer.
It is understood that the radio connection between terminal and repeater, wirelessly connecting between repeater and gateway
The mode of connecing includes but is not limited to：The modes such as the 5G of bluetooth, WIFI, zigbee, 3G, 4G and future.
Repeater is as the uniquely coupled equipment between gateway and terminal, when repeater there is a problem, it will cause
Being linked into the communication between the terminal of the repeater and gateway will be interrupted.
In order to solve the above problems, the embodiment of the present invention provides a kind of repeater backup method and device, in order to ensure
The safety of data and the reliability for improving communication link.Referring to Fig. 2, Fig. 2 is a kind of repeater provided in an embodiment of the present invention
Backup method, this method comprise the following steps：
S201, access point obtain the operating index of target repeater, and judge that the operating index of the target repeater is
It is no to be less than predetermined threshold value.
In embodiments of the present invention, access point can be gateway, gateway, protocol converter, WAP etc.
The upper layer device of repeater, described access point is on the level of the transport layer to realize network interconnection, net that can be different to two upper-layer protocols
Network serves as conversion important task, so as to realize the interconnection of the different network of two upper-layer protocols.
In embodiments of the present invention, repeater belongs to same frequency multiplying arrangement, can be in terminal and the communication transmission process of gateway
In play signal enhancing, signal forwarding effect, therefore in the embodiment of the present invention, target repeater can administer one or more terminals and set
It is standby.Repeater can directly be established with terminal and communicated to connect；Repeater can also be established with terminal and communicated to connect indirectly, for example, in institute
State and trunking be set between target repeater and terminal device, target repeater by one or more trunkings realize with
The communication of terminal, wherein, the trunking is to realize the equipment that device-to-device (D2D) communicates to connect, the communication of the D2D
It is connected as Wi-Fi, bluetooth, Zigbee and the D2D communication connections based on Long Term Evolution LTE.
Access point obtains the operating index of target repeater, and judges whether the operating index is less than predetermined threshold value, when
When the operating index is less than predetermined threshold value, i.e., described repeater can not normally be run, and access point will determine that in the target
After device failure sign.For example, operating index can be communication speed, threshold speed is carried out between target repeater and terminal
The critical value of proper communication, when access point detects that the communication speed of target repeater is less than threshold speed, i.e. object relay
Between device and terminal can not proper communication, access point i.e. judge that communication failure sign occurs in the target repeater.Need to illustrate
, target repeater failure sign, it is abnormal to refer to that target repeater occurs, as target repeater temperature is too high, target
The data signaling rate of repeater is too low etc., but does not break down really also, that is to say, that target repeater can also be with connecing
Access point and terminal are communicated.
If the operating index of S202, the target repeater is less than predetermined threshold value, described access point obtains multiple neighbouring
The caching margin value of repeater, and according to the caching margin value of the multiple neighbouring repeater from the multiple neighbouring repeater
Data backup repeater is selected, and terminal backup repeater is selected from remaining neighbouring repeater.
In embodiments of the present invention, neighbouring repeater and target repeater are the repeaters under the administration of same gateway.
When the operating index of the target repeater is less than predetermined threshold value, access point judges that communication failure mark occurs in the target repeater
As, then, described access point will send caching surplus instruction to the multiple neighbouring repeater, to obtain the multiple neighbour respectively
The caching margin value and mark of nearly repeater, wherein, the caching margin value is used to represent to can be used for volume in neighbouring repeater
The data capacity of outer data storage, if caching margin value is big, illustrate that corresponding neighbouring repeater has more data
Space go receive target repeater in it is data cached, wherein, receive target repeater in data cached neighbouring repeater
As data backup repeater.It should be understood that the neighbouring repeater conduct with largest buffered margin value may be selected in access point
Data backup repeater, can also select as needed larger margin value several adjacent to repeater as data backup relay
Device.
After access point judges that communication failure sign occurs in the target repeater, in order to allow terminal to keep normal
Communication, except needing to carry out data backup to target repeater, it is also necessary to which target repeater is switched to proper communication work(
On the neighbouring repeater of energy, to re-establish communication link.In the inventive solutions, in order to ensure data safety with
And the reliability of communication link is improved, technical solution of the present invention is using data and terminal double copies scheme, that is to say, that backup number
According to neighbouring repeater and the neighbouring repeater of carry terminal and differ again, can strengthen repeater using double copies scheme resists
Failures.
According to double copies scheme, after data backup repeater is determined by caching margin value, access point is from remaining
Select terminal backup repeater in neighbouring repeater, the terminal backup repeater be for carry terminal again it is neighbouring in
After device.
Access point selection terminal backup repeater method be specially：Access point will be sent out to the remaining neighbouring repeater
Measuring command is sent, the remaining neighbouring repeater obtains the performance indications of itself according to measuring command and sent to access
Point, access point select terminal backup repeater according to the performance indications from the remaining neighbouring repeater.Wherein, institute
State the quantity that performance indications can be the terminal of access, channel width, the working time of channel, the signal to noise ratio (signal- of channel
To-noise ratio) one or more of combination.Such as when the quantity of the terminal of access is fewer in neighbouring repeater,
Or when channel width is bigger, or, it is longer when the working time of channel, or, when signal to noise ratio is bigger, illustrate the biography of channel
Movement Capabilities are stronger, then this is more suitable as terminal backup repeater adjacent to repeater.In concrete operations, access point can basis
It is standby as terminal that the weight of different performance indications selects suitable neighbouring repeater from the remaining neighbouring repeater
Part repeater, in order to carry terminal.
Wherein, when the terminal quantity is multiple, access point can select it from the remaining neighbouring repeater
In one be used as terminal backup repeater, also can select several conducts from the remaining neighbouring repeater as needed
Terminal backup repeater.It should be understood that it is determined that during terminal backup repeater, in addition to the scheme of selection, may be used also
Think the scheme specified, you can to specify some or some terminal backup repeaters as the proprietary backup of the target repeater
Equipment.
It should be noted that in embodiments of the present invention, standby neighbouring repeater includes two kinds of situations：(1) it is standby
Neighbouring repeater does not carry any forwarding service usually, and standby neighbouring repeater is only used as the standby of target repeater, works as mesh
When marking repeater failure sign, the terminal of the data of target repeater and institute's carry is transferred to standby neighbouring repeater
In.(2) standby repeater usually also carries other business, when target repeater failure sign, by target repeater
Data and the terminal of institute's carry are transferred in standby neighbouring repeater, that is to say, that standby neighbouring repeater undertakes simultaneously
The business of business and the target repeater transfer of itself.
In embodiments of the present invention, the terminal can be specifically smart mobile phone, tablet personal computer and notebook computer it
It the mobile terminal of class, can be the wearable device of intelligent glasses, intelligent watch and intelligent necklace etc, can be that intelligence is micro-
Intelligent home device or intellectual water meter, the intelligent electric meter and intelligence of ripple stove, intelligent air condition and intelligent refrigerator etc
The internet of things equipment of gas meter etc, the present invention are not especially limited.
S203, described access point data cached are sent to the data backup repeater by what the target repeater uploaded
Cached, wherein, the terminal under the data cached administration for the target repeater is uploaded to the target repeater
Data.
Target repeater can administer the operation of multiple terminals, therefore the industry of each service terminal is cached with target repeater
The business data such as information and status information (such as network connection information, terminal MAC address etc.), and real-time update can be carried out.Due to
Target repeater and neighbouring repeater are administered by access point, therefore target repeater can be uploaded to access by data cached in real time
Point is in order to synchronization caching.When access point detects target repeater failure sign, access point is in neighbouring repeater
Data backup repeater is determined, and the mark based on data backup repeater sends data backup repeater, number by data cached
According to backup relays device order caching data and cached, it is achieved thereby that the backup of data.
It should be noted that during data backup, if data cached in access point is updated, then
Access point can also send fresh information to data backup repeater, in order to which data backup repeater synchronization updates,
That is the process of data backup is a kind of Hot Spare.
S204, described access point send switching command to the target repeater, wherein, the switching command is used to indicate
Terminal under the target repeater administration switches to the terminal backup repeater from the target repeater, wherein, it is described
Access point administers the target repeater and the multiple adjacent relays.
In embodiments of the present invention, the switching command includes the mark of the terminal backup repeater.
The mark of terminal backup repeater can be bit, in scrambler or other running time-frequency resource information any one or
A variety of combinations.Wherein, bit can be a position in the corresponding field of data frame, when this position is arranged to " 0 " or " 1 "
When, for indicating to switch over.For example, some domain of the gauge outfit in data frame, when the 1 bit information value in the domain is 0, is represented
Switching is not triggered；When the 1 bit information value in the domain is 1, triggering switching is represented.Wherein, scrambler can be that SPS wireless networks face
When identify (SPS C-RNTI, SPS Cell Radio Network Temporary Identifiers), can be cell without
Line Network Temporary Identifier (C-RNTI, Cell Radio Network Temporary Identifier) or others
Scrambler.
, can be according to the caching margin values of multiple neighbouring repeaters therefrom as can be seen that by implementing the embodiment of the present invention
Suitable neighbouring repeater is selected as data backup repeater, is avoided data buffer storage to the neighbouring of caching margin value deficiency
Repeater.Also, target repeater is administered into the data storage of lower terminal upload in data backup repeater, by object relay
Terminal under device administration switches to terminal backup repeater, can form the effect of double copies.
For the ease of understanding technical scheme, Fig. 3 is referred to, Fig. 3 is in one kind provided in an embodiment of the present invention
After device backup method, more side descriptions are carried out from terminal, repeater and access point respectively, this method comprises the following steps：
S301, terminal and target repeater, which are established, to be communicated to connect.
In the embodiment of the present invention, target repeater can administer one or more terminal devices.Target repeater can directly with
Terminal establishes communication connection；Target repeater can also indirectly with terminal establish communicate to connect, for example, the target repeater with
Trunking is set between terminal device, and target repeater realizes the communication with terminal by one or more trunkings.
S302, target repeater send the operating index of itself to access point.
S303, access point judge whether target repeater breaks down sign based on the operating index received.
Access point obtains the operating index of target repeater, and judges whether the operating index is less than predetermined threshold value, when
When the operating index is less than predetermined threshold value, i.e., described repeater can not normally be run, and access point will determine that in the target
After device failure sign.For example, operating index can be communication speed, threshold speed is carried out between target repeater and terminal
The critical value of proper communication, when access point detects that the communication speed of target repeater is less than threshold speed, i.e. object relay
Between device and terminal can not proper communication, access point i.e. judge that communication failure sign occurs in the target repeater.Need to illustrate
, target repeater failure sign, it is abnormal to refer to that target repeater occurs, as target repeater temperature is too high, target
The data signaling rate of repeater is too low etc., but does not break down really also, that is to say, that target repeater can also be with connecing
Access point and terminal are communicated.
In technical solution of the present invention, double copies mechanism is used for fault evidence, is also, to business datum and terminal
Equipment is backed up from different neighbouring repeaters respectively, to strengthen fault-resistant ability.
For the process of data backup, referring to step S304-S308, including：
S304, when judging that target repeater broken down sign, access point is sent to multiple neighbouring repeaters more than caching
Amount instruction.
S305, multiple neighbouring repeaters are sent the caching margin value of itself to network equipment based on caching surplus instruction.
Caching margin value is used to represent the data capacity that can be used for extra data storage in neighbouring repeater, if caching
Margin value is big, then there is neighbouring repeater explanation more data space to go to receive the caching number in target repeater accordingly
According to.
S306, access point are based on the suitably neighbouring repeater of caching margin value selection as data backup repeater.
Relayed it should be understood that the neighbouring repeater with largest buffered margin value may be selected in access point as data backup
Device, can also select as needed larger margin value several adjacent to repeater as data backup repeater.
S307, access point obtain data cached.
It should be understood that target repeater administers the operation of multiple terminals, therefore each business is cached with target repeater
The data such as the business information and status information (such as network connection information, terminal MAC address etc.) of terminal, and can carry out in real time more
Newly.And target repeater and neighbouring repeater are administered by access point, therefore target repeater can be in real time by data cached upload
To access point in order to synchronization caching.
S308, access point are sent data cached to data backup repeater.
Mark of the access point based on data backup repeater sends data backup repeater by data cached, in data backup
After device order caching data and cached, it is achieved thereby that the backup of data.During data backup, if access point
In data cached updated, then access point can also send fresh information to data backup repeater, in order to number
Synchronously updated according to backup relays device, that is to say, that the process of data backup is a kind of Hot Spare.
For terminal backup, i.e. terminal is mounted in new repeater, and to produce new communication connection, its process is referring to step
Rapid S309-S314, including：
S309, when judging that target repeater broken down sign, access point sends measurement to remaining neighbouring repeater
Order.
Wherein, the remaining neighbouring repeater is：Institute after data backup repeater is eliminated in multiple neighbouring repeaters
Remaining neighbouring repeater.
S310, remaining neighbouring repeater are sent the performance indications of itself to access point based on measuring command.
Wherein, the performance indications can be the quantity of the terminal of access, channel width, the working time of channel, channel
One or more of signal to noise ratio (signal-to-noise ratio) combination.
S311, access point are based on the suitably neighbouring repeater of performance indications selection as terminal backup repeater.
Access point can be selected suitably according to the weight of different performance indications from the remaining neighbouring repeater
Neighbouring repeater is as terminal backup repeater, than being easy to carry terminal.When the terminal quantity is multiple, access point is optional
Select one of them several as terminal backup repeater, also may specify some or some terminal backup repeaters as the mesh
Mark the proprietary backup equipment of repeater.
S312, access point send switching command to target repeater.
Wherein, the switching command includes the mark of the terminal backup repeater.The mark of terminal backup repeater can
Think bit, any one in scrambler or other running time-frequency resource information or a variety of combinations.
S313, target repeater are based on switching command and send switching command to terminal.
Wherein, the switching command includes the mark of the terminal backup repeater, and repeater is carried out for instruction terminal
Switching.
S314, terminal are switched to terminal backup repeater based on switching command, and new lead to is established with terminal backup repeater
Letter connection.
, can be according to the caching margin values of multiple neighbouring repeaters therefrom as can be seen that by implementing the embodiment of the present invention
Suitable neighbouring repeater is selected as data backup repeater, is avoided data buffer storage to the neighbouring of caching margin value deficiency
Repeater.Also, target repeater is administered into the data storage of lower terminal upload in data backup repeater, by object relay
Terminal under device administration switches to terminal backup repeater, can form the effect of double copies.
Based on same inventive concept, the embodiment of the present invention also provides a kind of access point 40, foregoing for performing referring to Fig. 4
A kind of repeater backup method of Fig. 2 embodiments description.As shown in figure 4, access point 40 may include：
Including judge module 401, selecting module 402, backup module 403 and handover module 404, wherein：
Judge module 401, for obtaining the operating index of target repeater, and judge that the operation of the target repeater refers to
Whether mark is less than predetermined threshold value；
Selecting module 402, in the case of being less than predetermined threshold value in operating index, obtain the slow of multiple neighbouring repeaters
Surplus value, and data are selected from the multiple neighbouring repeater according to the caching margin value of the multiple neighbouring repeater
Backup relays device, and select terminal backup repeater from remaining neighbouring repeater；
Backup module 403, data cached it be sent to the data backup for upload the target repeater and relay
Device is cached, wherein, the terminal under the data cached administration for the target repeater is uploaded to the target repeater
Data；
Handover module 404, for sending switching command to the target repeater, wherein, the switching command is used to refer to
Show that the terminal under the target repeater administration switches to the terminal backup repeater from the target repeater.
Wherein, described access point 40 administers the target repeater and the multiple adjacent relays.
Specifically, the selecting module 402 is specifically used for according to the performance indications of the remaining neighbouring repeater from institute
State in remaining neighbouring repeater and select terminal backup repeater, wherein, the performance indications include the number of the terminal of access
Amount, channel width, the combination of one or more of the working time, the signal to noise ratio of channel of channel.
Optionally, described device also includes sending module 405 and receiving module 406, wherein：
The sending module 405 is used to send measuring command to the remaining neighbouring repeater, wherein, the measurement life
Make the performance indications for obtaining the remaining neighbouring repeater；
The performance that the receiving module 406 is used to receive the remaining neighbouring repeater based on the measuring command refers to
Mark.
Optionally, the relaying of device-to-device D2D communication connection between the target repeater and terminal device be present
Equipment, wherein, the communication connection of the D2D is Wi-Fi, bluetooth, Zigbee and the D2D communication links based on Long Term Evolution LTE
Connect.
Optionally, the terminal backup repeater is the proprietary backup equipment of the target repeater.
Need what is illustrated, by the detailed description of the embodiment of earlier figures 2, those skilled in the art, which are clear that, to be connect
The implementation method for each functional module that access point 40 is included, thus it is succinct for specification, it will not be described in detail herein.
Fig. 5 is referred to, Fig. 5 is a kind of access point structures schematic diagram disclosed in the embodiment of the present invention.The access of the present embodiment
Point includes：At least one processor 501, communication interface 502, user interface 503 and memory 504, processor 501, communication connect
Mouthfuls 502, user interface 503 can be connected with memory 504 by bus or other manner, and the embodiment of the present invention is to pass through bus
Exemplified by 505 connections.Wherein：
Processor 501 can be general processor, such as central processing unit (Central Processing Unit,
CPU)。
Communication interface 502 can be wireline interface (such as Ethernet interface) or wave point (such as cellular network interface
Or use wireless lan interfaces), for being communicated with other electronic equipments or website.In the embodiment of the present invention, communication connects
Mouth 502 is specifically used for the user that target recommended is recommended to electronic equipment.
The concretely contact panel, including touch-screen and touch screen of user interface 503, for detecting the behaviour on contact panel
Instruct, user interface 503 can also be physical button or mouse.User interface 503 can also be display screen, for defeated
Go out, display image or data.
Memory 504 can include volatile memory (Volatile Memory), such as random access memory
(Random Access Memory, RAM)；Memory can also include nonvolatile memory (Non-Volatile
), such as read-only storage (Read-Only Memory, ROM), flash memory (Flash Memory), hard disk Memory
(Hard Disk Drive, HDD) or solid state hard disc (Solid-State Drive, SSD)；Memory 504 can also include upper
State the combination of the memory of species.Memory 504 is used to store batch processing code, and processor 501 is used to call memory 504
The program code of middle storage, perform following operation：
Access point obtains the operating index of target repeater, and judges whether the operating index of the target repeater is less than
Predetermined threshold value；
If it is, described access point obtains the caching margin value of multiple neighbouring repeaters, and according to the multiple in
Caching margin value after device selects data backup repeater from the multiple neighbouring repeater, and from remaining adjacent to relaying
Terminal backup repeater is selected in device；
Described access point data cached be sent to what the target repeater uploaded the data backup repeater and carried out
Caching, wherein, the terminal under the data cached administration for the target repeater is uploaded to the data of the target repeater；
Described access point sends switching command to the target repeater, wherein, the switching command is described for indicating
Terminal under target repeater administration switches to the terminal backup repeater from the target repeater, wherein, the access
Point administers the target repeater and the multiple adjacent relays.
Specifically, selecting terminal backup repeater from remaining neighbouring repeater and being specially：According to described remaining
The performance indications of neighbouring repeater select terminal backup repeater from the remaining neighbouring repeater, wherein, the property
Energy index includes the quantity of the terminal of access, channel width, one or more of the working time, the signal to noise ratio of channel of channel
Combination.
Specifically, selected according to the performance indications of the remaining neighbouring repeater from the remaining neighbouring repeater
Also include before going out terminal backup repeater：Described access point sends measuring command to the remaining neighbouring repeater, wherein,
The measuring command is used for the performance indications for obtaining the remaining neighbouring repeater；Described access point is based on the measuring command
Receive the performance indications of the remaining neighbouring repeater.
Optionally, the relaying of device-to-device D2D communication connection between the target repeater and terminal device be present
Equipment, wherein, the communication connection of the D2D is Wi-Fi, bluetooth, Zigbee and the D2D communication links based on Long Term Evolution LTE
Connect.
Optionally, the terminal backup repeater is the proprietary backup equipment of the target repeater.
By implementing the embodiment of the present invention, can therefrom be selected properly according to the caching margin value of multiple neighbouring repeaters
Neighbouring repeater as data backup repeater, avoid the neighbouring repeater to caching margin value deficiency by data buffer storage.And
And target repeater is administered into the data storage of lower terminal upload in data backup repeater, target repeater is administered down
Terminal switch to terminal backup repeater, the effect of double copies can be formed.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (10)
- A kind of 1. repeater backup method, it is characterised in thatAccess point obtains the operating index of target repeater, and judges whether the operating index of the target repeater is less than and preset Threshold value；If it is, described access point obtains the caching margin value of multiple neighbouring repeaters, and according to the multiple neighbouring repeater Caching margin value data backup repeater is selected from the multiple neighbouring repeater, and from remaining neighbouring repeater Select terminal backup repeater；Described access point by the target repeater upload it is data cached be sent to the data backup repeater and cached, Wherein, the terminal under the data cached administration for the target repeater is uploaded to the data of the target repeater；Described access point sends switching command to the target repeater, wherein, the switching command is used to indicate the target Terminal under repeater administration switches to the terminal backup repeater from the target repeater, wherein, described access point pipe Have jurisdiction over the target repeater and the multiple adjacent relays.
- 2. according to the method for claim 1, it is characterised in that selected from remaining neighbouring repeater in terminal backup It is after implement body：According to the performance indications of the remaining neighbouring repeater terminal backup is selected from the remaining neighbouring repeater Repeater, wherein, the performance indications include the quantity of the terminal of access, channel width, the working time of channel, the letter of channel Make an uproar than one or more of combination.
- 3. according to the method for claim 2, it is characterised in that according to the performance indications of the remaining neighbouring repeater from Also include before terminal backup repeater is selected in the remaining neighbouring repeater：Described access point sends measuring command to the remaining neighbouring repeater, wherein, the measuring command is used to obtain institute State the performance indications of remaining neighbouring repeater；Described access point receives the performance indications of the remaining neighbouring repeater based on the measuring command.
- 4. according to the method described in any one of claims 1 to 3, it is characterised in that the target repeater and terminal device it Between exist device-to-device D2D communication connection trunking, wherein, the communication connection of the D2D is Wi-Fi, bluetooth, Zigbee and the D2D communication connections based on Long Term Evolution LTE.
- 5. according to the method described in any one of claims 1 to 3, it is characterised in that the terminal backup repeater is the mesh Mark the proprietary backup equipment of repeater.
- A kind of 6. access point, it is characterised in that including judge module, selecting module, backup module and handover module, wherein：The judge module is used to obtain the operating index of target repeater, and judges that the operating index of the target repeater is It is no to be less than predetermined threshold value；The selecting module is used in the case where operating index is less than predetermined threshold value, more than the caching of the multiple neighbouring repeaters of acquisition Value, and data backup is selected from the multiple neighbouring repeater according to the caching margin value of the multiple neighbouring repeater Repeater, and select terminal backup repeater from remaining neighbouring repeater；The backup module is used to data cached be sent to the data backup repeater by what the target repeater uploaded and enter Row caching, wherein, the terminal under the data cached administration for the target repeater is uploaded to the number of the target repeater According to；The handover module is used to send switching command to the target repeater, wherein, the switching command is used to indicate institute The terminal stated under target repeater administration switches to the terminal backup repeater from the target repeater；Wherein, described access point administers the target repeater and the multiple adjacent relays.
- 7. access point according to claim 6, it is characterised in thatThe selecting module is specifically used for according to the performance indications of the remaining neighbouring repeater from described remaining in After selecting terminal backup repeater in device, wherein, the performance indications include the quantity of the terminal of access, channel width, letter The combination of one or more of the working time, the signal to noise ratio of channel in road.
- 8. access point according to claim 7, it is characterised in that described access point also includes sending module and receives mould Block,The sending module is used to send measuring command to the remaining neighbouring repeater, wherein, the measuring command is used for Obtain the performance indications of the remaining neighbouring repeater；The receiving module is used for the performance indications that the remaining neighbouring repeater is received based on the measuring command.
- 9. according to the access point described in any one of claim 6 to 8, it is characterised in that the target repeater is to be set with terminal The trunking of device-to-device D2D communication connection between standby be present, wherein, the communication connection of the D2D is Wi-Fi, indigo plant Tooth, Zigbee and the D2D communication connections based on Long Term Evolution LTE.
- 10. according to the access point described in any one of claim 6 to 8, it is characterised in that the terminal backup repeater is described The proprietary backup equipment of target repeater.
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| CN107659952B (en) | 2020-11-27 |
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