CN107612720A - Access point backup method and gateway - Google Patents
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- CN107612720A CN107612720A CN201710759834.4A CN201710759834A CN107612720A CN 107612720 A CN107612720 A CN 107612720A CN 201710759834 A CN201710759834 A CN 201710759834A CN 107612720 A CN107612720 A CN 107612720A
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Abstract
The invention discloses a kind of access point backup method and gateway.Methods described includes：Gateway receives the impaired feedback information of impaired access point；The gateway is based on the impaired feedback information and sends querying command to n neighbouring access points；The gateway receives the caching margin value for the n neighbouring access points that described n neighbouring access point is fed back based on the querying command, and selects the first backup access point and the second backup access point from the n neighbouring access points according to the caching margin value of the n neighbouring access points；The gateway sends data replication instruction to the first backup access point, and receives the impaired access point and sent based on the data replication instruction data cached, and data cached is sent to the first backup relays device by described；The gateway sends switching command to the impaired access point, wherein, the first backup access point is different from the second backup access point.
Description
Technical field
The present invention relates to the communication technology, more particularly to a kind of access point backup method and gateway.
Background technology
In recent years, as the development of wireless communication technology, Internet of Things gradually rise, the life to people brings very big
Change.In Internet of Things, using wireless communication technology, substitute traditional physical circuit, terminal device is risen by network interconnection
Come.
WAP (Access Point, AP), is the common equipment in wireless communication technology, in Internet of Things, is
Internet-of-things terminal accesses the bridge of cable LAN, by configuring multiple WAPs, forms a continuous wireless network
Overlay area, the internet-of-things terminal in wireless network coverage area can be connected, and network service is provided.
With the development of Internet of Things, the quantity of WAP also gradually increases, in the feelings that WAP breaks down
Under condition, the internet-of-things terminal under failure WAP administration can not normally access Internet of Things, and delay on WAP
The data deposited may also lose, and cause bad Consumer's Experience.
The content of the invention
The embodiment of the present invention provides method and the gateway that a kind of WAP backs up at random, can be sent out in target access
Randomly the data of wireless access point cache are backuped in data backup access point when raw fault evidence, and by the mesh
The internet-of-things terminal accessed in tag splice access point is switched in the terminal backup access point different from data backup access point.
First aspect, there is provided a kind of access point backup method, including gateway, impaired access point, the first backup access point
And the second backup access point, wherein, the gateway connect respectively the impaired access point, the first backup access point and
The second backup access point,
Gateway receives the impaired feedback information of impaired access point；
The gateway is based on the impaired feedback information and sends querying command to n neighbouring access points；
The gateway receives the n neighbouring access points that described n neighbouring access point is fed back based on the querying command
Caching margin value, and the is selected from the n neighbouring access points according to the caching margin values of the neighbouring access point of the n
One backup access point and the second backup access point；
The gateway sends data replication instruction to the first backup access point, and receives the impaired access point and be based on
The data replication instruction is sent data cached, and data cached is sent to the first backup relays device by described；
The gateway sends switching command to the impaired access point, wherein, the switching command be used to indicating it is described by
Terminal under damage access point administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
Implement the present embodiment, in the case that gateway gets impaired feedback information, got according to gateway each neighbouring
The caching margin value of access point, and select the first backup access point and the second backup access point according to caching surplus value, can be with
The more access point of caching margin value is selected from neighbouring access point, the resource that there can be abundance is received in impaired access point
Terminal under data cached and administration, also, by data backup to the first backup access point, terminal is switched into the second backup
Access point can form the effect of double copies, improve the reliability of link communication.
With reference in a first aspect, the first possible embodiment of first aspect, the second backup access point are removable
Dynamic access point, after the impaired feedback information that the gateway receives that impaired access point is sent, in addition to：
The gateway obtains the positional information of the impaired access point；
Positional information of the gateway based on the impaired access point sends move to the second backup access point,
The move is used to indicate the position that the second backup access point is moved within the impaired access point distance threshold.
It is understood that the second backup access point is transportable, when impaired access point breaks down, second is standby
Part access point is moved near the impaired access point, substitutes impaired access point connecing as the terminal under impaired access point administration
Access point, it can ensure that the terminal under impaired access point administration is had access into the second backup access point, i.e. the second backup access
Point will be moved to suitable place so that the terminal under impaired access point administration will not be because of the second backup of distance access point too
It can not far be linked into the second backup access point.
With reference in a first aspect, second of possible embodiment of first aspect, the impaired access point be in stop to
Terminal under the impaired access point administration sends the pattern of wake-up association.
It is understood that impaired access point is at any time it is possible that failure, once impaired access point breaks down, is damaged
Data cached in access point will lose, so, the task of top priority is to turn data cached all safety in impaired access point
Move on in the first backup access point, so, it can stop sending wake-up association to the terminal under the impaired access point administration, with
Reduce the resource that wake-up association occupies impaired access point, it is ensured that limited resource is all used in impaired access point by impaired access point
Data cached be transferred in the first backup access point.
With reference in a first aspect, the third possible embodiment of first aspect, the impaired access point are in maximum and sent out
Penetrate power mode.It is understood that impaired access point is at any time it is possible that failure, once impaired access point breaks down,
Data cached in impaired access point will lose, so, impaired access point can be caused to be in maximum transmission power pattern, with
The data cached probability lost during the first backup access point is transferred to for ensureing in impaired access point is minimum.
With reference to any of the above-described kind of mode of first aspect, the 4th kind of possible embodiment of first aspect, methods described
Also include：
After the impaired feedback information that gateway receives impaired access point, the number is based on receiving the impaired access point
According to duplicate instructions send it is data cached before, the filter closed in the gateway；
Receive that the impaired access point sent based on the data replication instruction it is data cached after, reopen institute
State the filter in gateway.It is understood that impaired access point is at any time it is possible that failure, once it is damaged access point
Failure, data cached in impaired access point will lose, so, the task of top priority is will be data cached in impaired access point
All safe transfers are into the first backup access point, and the filter in gateway carries out filtering to data and needs to consume a timing
Between, so, the efficiency of data cached transfer can be improved by way of closing the filter in gateway.
Second aspect, there is provided a kind of gateway, the gateway include：Receiving module, sending module and selecting module,
The receiving module is used for the impaired feedback information for receiving impaired access point；
The sending module is used to send querying command to n neighbouring access points based on the impaired feedback information；
The receiving module is used to receive the n neighbour that the n neighbouring access points are fed back based on the querying command
The caching margin value of proximity access point；
The selecting module is used for according to the caching margin value of the n neighbouring access points from the n adjacent to access points
In select the first backup access point and the second backup access point；
The sending module is used to send data replication instruction to the first backup access point；
The receiving module be used for receive the impaired access point sent based on the data replication instruction it is data cached；
The sending module is used to data cached be sent to the first backup relays device by described；
The sending module is used to send switching command to the impaired access point, wherein, the switching command is used to refer to
Show that the terminal under the impaired access point administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
Implement the present embodiment, in the case that gateway gets impaired feedback information, got according to gateway each neighbouring
The caching margin value of access point, and select the first backup access point and the second backup access point according to caching surplus value, can be with
The more access point of caching margin value is selected from neighbouring access point, the resource that there can be abundance is received in impaired access point
Terminal under data cached and administration, also, by data backup to the first backup access point, terminal is switched into the second backup
Access point can form the effect of double copies, improve the reliability of link communication.
With reference to second aspect, the first possible embodiment of second aspect, the gateway also includes acquisition module,
The acquisition module is used for the positional information for obtaining the impaired access point；
The sending module is sent for the positional information based on the impaired access point to the second backup access point
Move, the move be used for indicate the second backup access point be moved to the impaired access point distance threshold it
Interior position.
It is understood that the second backup access point is transportable, when impaired access point breaks down, second is standby
Part access point is moved near the impaired access point, substitutes impaired access point connecing as the terminal under impaired access point administration
Access point, it can ensure that the terminal under impaired access point administration is had access into the second backup access point, i.e. the second backup access
Point will be moved to suitable place so that the terminal under impaired access point administration will not be because of the second backup of distance access point too
It can not far be linked into the second backup access point.
With reference to second aspect, second of possible embodiment of second aspect, the impaired access point be in stop to
Terminal under the impaired access point administration sends the pattern of wake-up association.
It is understood that impaired access point is at any time it is possible that failure, once impaired access point breaks down, is damaged
Data cached in access point will lose, so, the task of top priority is to turn data cached all safety in impaired access point
Move on in the first backup access point, so, it can stop sending wake-up association to the terminal under the impaired access point administration, with
Reduce the resource that wake-up association occupies impaired access point, it is ensured that limited resource is all used in impaired access point by impaired access point
Data cached be transferred in the first backup access point.
With reference to second aspect, the third possible embodiment of second aspect, the impaired access point is in maximum and sent out
Penetrate power mode.
With reference to any of the above-described kind of mode of second aspect, the 4th kind of possible embodiment of second aspect, the gateway
Also include closedown module and opening module,
The closedown module is used for after the impaired feedback information that gateway receives impaired access point, described impaired receiving
Access point based on the data replication instruction send it is data cached before, the filter closed in the gateway；
The opening module is used for the caching number sent in the reception impaired access point based on the data replication instruction
According to the filter afterwards, reopened in the gateway.
It is understood that impaired access point is at any time it is possible that failure, once impaired access point breaks down, is damaged
Data cached in access point will lose, so, the task of top priority is to turn data cached all safety in impaired access point
Move on in the first backup access point, and the filter in gateway carries out filtering to data and needs to consume certain time, so, can
The efficiency of data cached transfer is improved in a manner of by closing the filter in gateway.
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 structural representation for the network architecture that the embodiment of the present invention is applied to；
Fig. 2 is a kind of schematic flow sheet for access point backup method that the present invention implements offer；
Fig. 3 is the schematic flow sheet for another access point backup method that the present invention implements offer；
Fig. 4 is a kind of structural representation for gateway that the present invention implements offer；
Fig. 5 is the structural representation for another gateway that the present invention implements offer；
Fig. 6 is the structural representation for another gateway that the present invention implements offer.
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.
Understand for ease of scheme, introduce the scheme application of lower the embodiment of the present application with reference to relevant drawings to illustrate first below
The network architecture arrived.Referring to Fig. 1, Fig. 1 is a kind of structural representation of network architecture provided in an embodiment of the present invention.Such as Fig. 1
Shown, the network architecture that the embodiment of the present application is applied to includes gateway 110, access point (AP) 120 and multiple terminals 130.This
The network architecture of invention is applied to WLAN (Wireless Local Area Networks, WLAN), bluetooth
(bluetooth) wireless personal local area network, zigbee networkings and Internet of Things (Internet of things, IoT) etc. group
Net pattern.Wherein, Internet of Things can be car networking (Internet of Vehicles), body area network (Body Area
Network, BAN) and M2M (machine-to-machine) network etc. in any one.
It should be noted that gateway 110 can be communicated by downlink and up-link with access point 120.Under
Line link (or forward link) refers to the communication link from gateway 110 to access point 120, and up-link (or reverse link) is
Refer to from access point 120 to the communication link of gateway 110.Wherein, gateway 110 to access point 120 transmit data when speed to be upper
Row network transmission speed, access point 120 to gateway 110 transmit data when speed be downstream network transmission speed.
Access point can also be referred to as " focus ", and access point can be used for setting up WLAN, be provided for multiple websites
Access service, it is the bridge for connecting wireless network and cable network.Access point can be used exclusively for providing access service
Access device, for example, wireless router etc. or the interim terminal device that access service is provided, for example, it may be energy
Smart mobile phone, tablet personal computer and notebook computer of access service etc. are enough provided, the present invention is not especially limited.
The gateway connects cable network, and gateway is also known as router, interchanger, Radio Access Controller, distributed system
The upper layer device of the WAPs 120 such as system, the network equipment are dialled by broadband and are directly connected to cable network, one
Multiple WAPs are administered under gateway.
Terminal can be the mobile terminal of smart mobile phone, tablet personal computer and notebook computer etc, can be Brilliant Eyes
The wearable device of mirror, intelligent watch and intelligent necklace etc, can be intelligent microwave oven, intelligent air condition and intelligent refrigerator
Etc intelligent home device or intellectual water meter, the internet of things equipment of intelligent electric meter and intelligent gasometer etc, this
Invention is not especially limited.
It is understood that the actual product title of the access point that is referred in the embodiment of the present application and terminal in different vendor
It may be not quite similar, for example, in Bluetooth Wireless Personal Area Networks, access point may be referred to as main equipment, and website may
It is referred to as slave unit etc., the change of certain name of product has no effect on the essence of access point and website.
It is understood that in the prior art, the terminal 130 under access point 120 is administered can only be connect by access point 120
Enter into network, also, the data that the terminal 130 under the administration of access point 120 uploads are buffered in access point 120, so,
Once failure occurs in access point 120, then the terminal 130 under access point 120 is administered can not be linked into network, also,
The data that terminal 130 under the administration of access point 120 is uploaded to access point 120 can lose.
In order to solve the above problems, as shown in Fig. 2 the embodiments of the invention provide a kind of access point backup method.This reality
The access point backup method for applying example comprises the following steps：
210：Gateway receives the impaired feedback information of impaired access point.
In embodiments of the present invention, impaired access point refers to the sign that broken down, for example, impaired access point temperature mistake
Height, it is too low etc. to be damaged the message transmission rate of access point, but does not break down really also, can also be carried out with gateway and terminal
The access point of communication.Access point can be the base station of the even following 5G standards of 2G standards, 3G standards, 4G standards, micro-base station with
And femto base station etc..
In embodiments of the present invention, impaired feedback information can be documented in the gauge outfit of the data frame between access point and gateway
Part, the content part of data frame can also be documented in.Impaired feedback information can be indicated with a data bit, can also
The use of multiple data is to be indicated.When impaired feedback information is to be indicated using a data, when the data bit is set to
When " 1 ", represent that impaired sign occurs in access point, when the data bit is by reset, represent repeater operational excellence, or, when this
When data bit is by set, access point operational excellence is represented, when the data bit is by reset, represents that impaired mark occurs in access point
As.When impaired feedback information is indicated using multiple data bit, can be recorded in these data bit character, numeral and
The information that any one or multiple combinations in symbol are formed.
220：The gateway is based on the impaired feedback information and sends querying command to n neighbouring access points.
In embodiments of the present invention, n neighbouring access points and impaired access point are the relayings under the administration of same gateway
Device.Gateway selects n neighbouring access points from the access point under gateway administration.Specifically, Ke Yishi：From connecing under gateway administration
Terminal quantity is selected to be less than the access point of amount threshold as n neighbouring access points in access point；Or from gateway administration under connecing
Message transmission rate is selected to be more than the access point of rate-valve value as n neighbouring access points in access point；Or under gateway administration
Access point in select the standby access points of n as n adjacent to access points.
In embodiments of the present invention, terminal quantity is less than the access point of amount threshold and refers to load smaller, can have more
More resources receives the access point of the terminal under impaired access point administration.Amount threshold can be carried out according to the situation of actual use
Set, for example, it is 50% when impaired access point is normally carried out communication that can set amount threshold.
In embodiments of the present invention, message transmission rate refers to that disposal ability is stronger more than the access point of rate-valve value,
There can be the access point that higher disposal ability receives the terminal under impaired access point administration.Rate-valve value can be according to actually making
Situation is configured.
In embodiments of the present invention, standby access point includes two kinds of situations：(1) standby access point, which does not carry usually, appoints
What forwarding service, standby access point is only used as the standby of impaired access point, when impaired access point breaks down, is connect impaired
The forwarding service of access point is transferred in standby access point, and standby access point only undertakes the forwarding industry of impaired access point transfer
Business.(2) standby access point usually also carries other forwarding services, when impaired access point breaks down, by impaired access
The forwarding service of point carrying is transferred in standby access point, and standby access point undertakes the forwarding of impaired access point transfer simultaneously
Business and other forwarding services.
230：The gateway receive that described n neighbouring access point feed back based on the querying command the n are adjacent to connecing
The caching margin value of access point, and selected according to the caching margin value of the n neighbouring access points from the n neighbouring access points
Go out the first backup access point and the second backup access point.
In embodiments of the present invention, caching margin value is available remaining cache in neighbouring access point, wherein, caching is to connect
Access point is used for the space for storing the data that the terminal under access point administration uploads.It is bigger to cache margin value, then illustrates access point
Free space is bigger, and caching margin value is smaller, then illustrates that the free space of access point is smaller.It is understood that except basis
Caching margin value is selected outside the first backup access point and the second backup access point from the n neighbouring access points, also
The performance indications that n neighbouring access points can be combined select the first backup access point and the second backup access point.
In a specific embodiment, performance indications include the quantity for the terminal that each access point to be selected is accessed, internal memory
(including using amount of ram, free memory amount), channel width, the working time of channel, the Carrier To Noise Power Density of channel, the neighbour
Load capacity (such as data buffering ability, the remaining electricity of signal intensity, the neighbouring access point between proximity access point and terminal
Amount etc.), the present load amount of neighbouring access point, information security processing (encryption and decryption) ability etc..In practical application, the network equipment
Can be that the internet-of-things terminal selects optimal or preferably the first backup access point or the second backup according to the performance indications
Access point.
In embodiments of the present invention, the first backup access point is different access points from the second backup access point.
240：The gateway sends data replication instruction to the first backup access point, and receives the impaired access point
Sent based on the data replication instruction data cached, and data cached be sent to the first backup relays device by described.
In embodiments of the present invention, the quantity of the first backup access point can be one or multiple；Equally
Ground, the quantity of the first backup access point can be one or multiple.
250：The gateway sends switching command to the impaired access point, wherein, the switching command is used to indicate institute
The terminal stated under impaired access point administration switches to the second backup access point from the impaired access point.
It is understood that the quantity of the second backup access point can be one or multiple；Similarly,
The quantity of second backup access point can be one or multiple.If the quantity of the second backup access point is multiple, institute
Stating also includes the mark of the second backup access point in handover information.
In embodiments of the present invention, the mark of the second backup access point can be bit, scrambler or other time-frequencies money
Any one in source information or a variety of combinations.
In a specific embodiment, bit can be a position in the corresponding field of data frame, when this position is set
When being set to " 0 " or " 1 ", for indicating to switch over.For example, some domain of the gauge outfit in data frame, when 1 bit information in the domain
Be worth for 0 when, expression do not trigger switching；When the 1 bit information value in the domain is 1, triggering switching is represented.
In a specific embodiment, scrambler can be SPS Radio Network Temporary Identifiers (SPS C-RNTI, SPS Cell
Radio Network Temporary Identifiers), can be Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell
Radio Network Temporary Identifier) or other scramblers.
In embodiments of the present invention, above-mentioned terminal can have the different forms of expression, terminal (example according to different situations
Such as, cell phone or smart phone) it can launch using wireless communication system and receive data for duplex communication.Eventually
End can include the emitter for being used for data transmitting and the receiver for data receiver.Launch for data, emitter can
To be modulated transmitting local oscillator (LO) signal to obtain modulated radio frequency (RF) signal, to modulated using data
RF signals be amplified with obtain with appropriate power level output RF signals, and via antenna will export RF letter
Number it is transmitted to base station.For data receiver, receiver can obtain received RF signals via antenna, amplify and utilization connects
The RF signal down coversions that LO signals will be received are received, and handle downconverted signal to recover the data sent by base station.
Terminal can be supported and the communication of multiple wireless systems of different radio access technologies (RAT) (such as LTE/TE-A and NR).
Each wireless system may have some characteristics and requirement, while can efficiently supporting the wireless system using different RAT
Communication.Wireless user equipment is also referred to as user equipment (UE), mobile station, terminal, access terminal, subscri er unit, website,
Etc..Wireless user equipment can be that cell phone, smart phone, tablet PC, radio modem, individual digital help
Manage (PDA), portable equipment, laptop computer, smartbook, net book, wireless phone, wireless local loop (WLL) website,
Bluetooth equipment, etc..In today of smart home and wearable device high speed development, terminal can also be that it can also be included
Other equipment with network savvy, for example, intelligent electric lamp, intelligent television, intelligent cleaning equipment, intelligent sleep equipment, intelligence
Monitoring device etc., its form showed can be varied, such as intelligent electric lamp, the intelligent electric lamp includes but unlimited
In：The equipment such as intelligent desk lamp, intelligent ceiling lamp, intelligent wall lamp, such as intelligent television, it can be Samsung board intelligence
TV, it can also be Sharp's board intelligent television certainly, such as intelligent cleaning equipment, it can be, intelligent floor-sweeping
Robot, it can also include the equipment such as intellective dust collector, intelligent garbage processor certainly, such as come for intelligent sleep equipment
Say, it can be：The equipment such as intelligent mattress, intelligent sofa, such as intelligent monitoring device or, it can be, intelligent blood
Pressure meter, intelligent thermometer etc., the present invention is not limited the concrete form and quantity or species of above-mentioned terminal.
Further, as shown in figure 3, the embodiments of the invention provide another access point backup method.The present embodiment
Access point backup method comprises the following steps：
310：Gateway receives the impaired feedback information of impaired access point.
In embodiments of the present invention, impaired access point refers to the sign that broken down, for example, impaired access point temperature mistake
Height, it is too low etc. to be damaged the message transmission rate of access point, but does not break down really also, can also be carried out with gateway and terminal
The access point of communication.Access point can be the base station of the even following 5G standards of 2G standards, 3G standards, 4G standards, micro-base station with
And femto base station etc..
In embodiments of the present invention, impaired feedback information can be documented in the gauge outfit of the data frame between access point and gateway
Part, the content part of data frame can also be documented in.Impaired feedback information can be indicated with a data bit, can also
The use of multiple data is to be indicated.When impaired feedback information is to be indicated using a data, when the data bit is set to
When " 1 ", represent that impaired sign occurs in access point, when the data bit is by reset, represent repeater operational excellence, or, when this
When data bit is by set, access point operational excellence is represented, when the data bit is by reset, represents that impaired mark occurs in access point
As.When impaired feedback information is indicated using multiple data bit, can be recorded in these data bit character, numeral and
The information that any one or multiple combinations in symbol are formed.
It is understood that in order to ensure that impaired feedback information can feed back to gateway, access point is damaged with peak power
Impaired feedback information is sent, also, in order to ensure that the resource of impaired access point is not wasted, impaired access point stops sending out to terminal
Send wake-up association.Wherein, wake-up association can refer to beacon beacons.
320：The gateway is based on the impaired feedback information and sends querying command to n neighbouring access points.
In embodiments of the present invention, n neighbouring access points and impaired access point are the relayings under the administration of same gateway
Device.Gateway selects n neighbouring access points from the access point under gateway administration.Specifically, Ke Yishi：From connecing under gateway administration
Terminal quantity is selected to be less than the access point of amount threshold as n neighbouring access points in access point；Or from gateway administration under connecing
Message transmission rate is selected to be more than the access point of rate-valve value as n neighbouring access points in access point；Or under gateway administration
Access point in select the standby access points of n as n adjacent to access points.
In embodiments of the present invention, terminal quantity is less than the access point of amount threshold and refers to load smaller, can have more
More resources receives the access point of the terminal under impaired access point administration.Amount threshold can be carried out according to the situation of actual use
Set, for example, it is 50% when impaired access point is normally carried out communication that can set amount threshold.
In embodiments of the present invention, message transmission rate refers to that disposal ability is stronger more than the access point of rate-valve value,
There can be the access point that higher disposal ability receives the terminal under impaired access point administration.Rate-valve value can be according to actually making
Situation is configured.
In embodiments of the present invention, standby access point includes two kinds of situations：(1) standby access point, which does not carry usually, appoints
What forwarding service, standby access point is only used as the standby of impaired access point, when impaired access point breaks down, is connect impaired
The forwarding service of access point is transferred in standby access point, and standby access point only undertakes the forwarding industry of impaired access point transfer
Business.(2) standby access point usually also carries other forwarding services, when impaired access point breaks down, by impaired access
The forwarding service of point carrying is transferred in standby access point, and standby access point undertakes the forwarding of impaired access point transfer simultaneously
Business and other forwarding services.
330：The gateway receive that described n neighbouring access point feed back based on the querying command the n are adjacent to connecing
The caching margin value of access point, and selected according to the caching margin value of the n neighbouring access points from the n neighbouring access points
Go out the first backup access point and the second backup access point.
In embodiments of the present invention, caching margin value is available remaining cache in neighbouring access point, wherein, caching is to connect
Access point is used for the space for storing the data that the terminal under access point administration uploads.It is bigger to cache margin value, then illustrates access point
Free space is bigger, and caching margin value is smaller, then illustrates that the free space of access point is smaller.It is understood that except basis
Caching margin value is selected outside the first backup access point and the second backup access point from the n neighbouring access points, also
The performance indications that n neighbouring access points can be combined select the first backup access point and the second backup access point.
In a specific embodiment, performance indications include the quantity for the terminal that each access point to be selected is accessed, internal memory
(including using amount of ram, free memory amount), channel width, the working time of channel, the Carrier To Noise Power Density of channel, the neighbour
Load capacity (such as data buffering ability, the remaining electricity of signal intensity, the neighbouring access point between proximity access point and terminal
Amount etc.), the present load amount of neighbouring access point, information security processing (encryption and decryption) ability etc..In practical application, the network equipment
Can be that the internet-of-things terminal selects optimal or preferably the first backup access point or the second backup according to the performance indications
Access point.
In embodiments of the present invention, the first backup access point is different access points from the second backup access point.
340：The gateway obtains the positional information of the impaired access point.Wherein, positional information can be longitude and latitude letter
Breath or street information, are not especially limited herein.
350：Positional information of the gateway based on the impaired access point sends to the second backup access point and moved
Instruction, the move are used to indicate that the second backup access point is moved within the impaired access point distance threshold
Position.
In embodiments of the present invention, the second backup access point is transportable access point.In a specific embodiment,
Second backup access point is usually stored in special place, when impaired access point feeds back impaired feedback information to gateway, second
Backup access point is connected to the move of gateway transmission, and is moved to impaired access point and nearby bans impaired access point, to ensure
Terminal under impaired access point administration can smoothly switch to the second backup access point.
360：The gateway sends data replication instruction to the first backup access point, and receives the impaired access point
Sent based on the data replication instruction data cached, and data cached be sent to the first backup relays device by described.
In embodiments of the present invention, the quantity of the first backup access point can be one or multiple；Equally
Ground, the quantity of the first backup access point can be one or multiple.
370：The gateway sends switching command to the impaired access point, wherein, the switching command is used to indicate institute
The terminal stated under impaired access point administration switches to the second backup access point from the impaired access point.
It is understood that the quantity of the second backup access point can be one or multiple；Similarly,
The quantity of second backup access point can be one or multiple.If the quantity of the second backup access point is multiple, institute
Stating also includes the mark of the second backup access point in handover information.
In embodiments of the present invention, the mark of the second backup access point can be bit, scrambler or other time-frequencies money
Any one in source information or a variety of combinations.
In a specific embodiment, bit can be a position in the corresponding field of data frame, when this position is set
When being set to " 0 " or " 1 ", for indicating to switch over.For example, some domain of the gauge outfit in data frame, when 1 bit information in the domain
Be worth for 0 when, expression do not trigger switching；When the 1 bit information value in the domain is 1, triggering switching is represented.
In a specific embodiment, scrambler can be SPS Radio Network Temporary Identifiers (SPS C-RNTI, SPS Cell
Radio Network Temporary Identifiers), can be Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI, Cell
Radio Network Temporary Identifier) or other scramblers.
In embodiments of the present invention, above-mentioned terminal can have the different forms of expression, terminal (example according to different situations
Such as, cell phone or smart phone) it can launch using wireless communication system and receive data for duplex communication.Eventually
End can include the emitter for being used for data transmitting and the receiver for data receiver.Launch for data, emitter can
To be modulated transmitting local oscillator (LO) signal to obtain modulated radio frequency (RF) signal, to modulated using data
RF signals be amplified with obtain with appropriate power level output RF signals, and via antenna will export RF letter
Number it is transmitted to base station.For data receiver, receiver can obtain received RF signals via antenna, amplify and utilization connects
The RF signal down coversions that LO signals will be received are received, and handle downconverted signal to recover the data sent by base station.
Terminal can be supported and the communication of multiple wireless systems of different radio access technologies (RAT) (such as LTE/TE-A and NR).
Each wireless system may have some characteristics and requirement, while can efficiently supporting the wireless system using different RAT
Communication.Wireless user equipment is also referred to as user equipment (UE), mobile station, terminal, access terminal, subscri er unit, website,
Etc..Wireless user equipment can be that cell phone, smart phone, tablet PC, radio modem, individual digital help
Manage (PDA), portable equipment, laptop computer, smartbook, net book, wireless phone, wireless local loop (WLL) website,
Bluetooth equipment, etc..In today of smart home and wearable device high speed development, terminal can also be that it can also be included
Other equipment with network savvy, for example, intelligent electric lamp, intelligent television, intelligent cleaning equipment, intelligent sleep equipment, intelligence
Monitoring device etc., its form showed can be varied, such as intelligent electric lamp, the intelligent electric lamp includes but unlimited
In：The equipment such as intelligent desk lamp, intelligent ceiling lamp, intelligent wall lamp, such as intelligent television, it can be Samsung board intelligence
TV, it can also be Sharp's board intelligent television certainly, such as intelligent cleaning equipment, it can be, intelligent floor-sweeping
Robot, it can also include the equipment such as intellective dust collector, intelligent garbage processor certainly, such as come for intelligent sleep equipment
Say, it can be：The equipment such as intelligent mattress, intelligent sofa, such as intelligent monitoring device or, it can be, intelligent blood
Pressure meter, intelligent thermometer etc., the present invention is not limited the concrete form and quantity or species of above-mentioned terminal.
In an optional embodiment, after the impaired feedback information that gateway receives impaired access point, institute is being received
State impaired access point based on the data replication instruction send it is data cached before, the filter closed in the gateway, with
Gateway mistake is avoided to filter out the data that impaired access point uploads, and after causing impaired access point to break down, data can not be by
Recover, or, because the filtering of filter, the speed for causing impaired access point to upload data is excessively slow, and causes impaired access point
Really break down, and cause loss of data.Delayed receiving the impaired access point based on what the data replication instruction was sent
After deposit data, the filter reopened in the gateway filters to data, avoids invalid data from conducting interviews.
The above-mentioned method for illustrating the embodiment of the present invention, following for being easy to preferably implement the embodiment of the present invention
Such scheme, correspondingly, the relevant device for implementing such scheme for coordinating is also provided below.
Referring to Fig. 4, Fig. 4 is a kind of structural representation for gateway that the present invention implements offer.The gateway 40 of the present embodiment
Including：Receiving module 410, sending module 420 and selecting module 430.
The receiving module 410 is used for the impaired feedback information for receiving impaired access point；
The sending module 420 is used to send querying command to n neighbouring access points based on the impaired feedback information；
The receiving module 410 is used to receive the n that the n neighbouring access points are fed back based on the querying command
The caching margin value of neighbouring access point；
The selecting module 430 is used for according to the caching margin value of the n neighbouring access points from the n adjacent to access
The first backup access point and the second backup access point are selected in point；
The sending module 420 is used to send data replication instruction to the first backup access point；
The receiving module 410 is used to receive the caching number that the impaired access point is sent based on the data replication instruction
According to；
The sending module 420 is used to data cached be sent to the first backup relays device by described；
The sending module 420 is used to send switching command to the impaired access point, wherein, the switching command is used for
Indicate that the terminal under the impaired access point administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
Alternatively, the impaired access point, which is in, stops sending wake-up association to the terminal under the impaired access point administration
Pattern.
Alternatively, the impaired access point is in maximum transmission power pattern.
Wherein, the step 210 in the embodiment of the method shown in Fig. 2 to step 250 can by the receiving module 410 in Fig. 4,
Sending module 420 and selecting module 430 perform respectively, not reinflated superfluous herein referring specifically to Fig. 2 and related embodiment
State.
Referring to Fig. 5, Fig. 5 is the structural representation of another gateway provided in an embodiment of the present invention.The net of the present embodiment
Close 50 and the difference of the gateway 40 shown in Fig. 4 be, in addition to：Acquisition module 440, closedown module 450 and unlatching mould
Block 460.
Alternatively, the acquisition module 440 is used for the positional information for obtaining the impaired access point；The sending module
420 are used for the positional information based on the impaired access point sends move, the movement to the second backup access point
Instruct the position being moved to for indicating the second backup access point within the impaired access point distance threshold.
Alternatively, the closedown module 450 is used for after the impaired feedback information that gateway receives impaired access point, is connecing
Receive the impaired access point based on the data replication instruction send it is data cached before, the filtering closed in the gateway
Device；The opening module 460 be used for receive the impaired access point based on the data replication instruction and send it is data cached
Afterwards, the filter in the gateway is reopened.
Fig. 6 is referred to, Fig. 6 is a kind of structural representation of gateway disclosed in the embodiment of the present invention.The gateway of the present embodiment
Including：At least one processor 601, communication interface 602, user interface 603 and memory 604, processor 601, communication interface
602nd, user interface 603 can be connected with memory 604 by bus or other manner, and the embodiment of the present invention is to pass through bus
Exemplified by 605 connections.Wherein,
Processor 601 can be general processor, such as central processing unit (Central Processing Unit,
CPU)。
Communication interface 602 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 602 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 603, for detecting the behaviour on contact panel
Instruct, user interface 603 can also be physical button or mouse.User interface 603 can also be display screen, for defeated
Go out, display image or data.
Memory 604 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 604 can also include upper
State the combination of the memory of species.Memory 604 is used to store batch processing code, and processor 601 is used to call memory 604
The program code of middle storage, perform following operation：
Receive the impaired feedback information of impaired access point；
Querying command is sent to n neighbouring access points based on the impaired feedback information；
More than the caching for receiving the n neighbouring access points that the n neighbouring access points are fed back based on the querying command
Value, and the first backup is selected from the n neighbouring access points according to the caching margin value of the n neighbouring access points and connect
Access point and the second backup access point；
Data replication instruction is sent to the first backup access point, and receives the impaired access point and is based on the data
Duplicate instructions are sent data cached, and data cached are sent to the first backup relays device by described；
Switching command is sent to the impaired access point, wherein, the switching command is used to indicate the impaired access point
Terminal under administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
Alternatively, the positional information of the impaired access point is obtained；Positional information based on the impaired access point is to institute
State the second backup access point and send move, the move is for indicating that it is described that the second backup access point is moved to
Position within impaired access point distance threshold.
Alternatively, the impaired access point, which is in, stops sending wake-up association to the terminal under the impaired access point administration
Pattern.
Alternatively, the impaired access point is in maximum transmission power pattern.
Alternatively, after the impaired feedback information that gateway receives impaired access point, the impaired access point base is being received
In the data replication instruction send it is data cached before, the filter closed in the gateway；
Receive that the impaired access point sent based on the data replication instruction it is data cached after, reopen institute
State the filter in gateway.
Implement the embodiment of the present invention, in the case that gateway gets impaired feedback information, got according to gateway each
The caching margin value of neighbouring access point, and the first backup access point and the second backup access point are selected according to caching surplus value,
The more access point of caching margin value can be selected from neighbouring access point, the resource that there can be abundance receives impaired access point
In data cached and administration under terminal, also, terminal is switched to second by data backup to the first backup access point
Backup access point can form the effect of double copies, improve the reliability of link communication.
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)
1. a kind of access point backup method, it is characterised in that including gateway, impaired access point, the first backup access point and the
Two backup access points, wherein, the gateway connects the impaired access point, the first backup access point and described respectively
Two backup access points,
Gateway receives the impaired feedback information of impaired access point；
The gateway is based on the impaired feedback information and sends querying command to n neighbouring access points；
The gateway receives the slow of the n neighbouring access points that described n neighbouring access point is fed back based on the querying command
Surplus value, and it is standby according to the caching margin values of the neighbouring access point of the n to select first from the n neighbouring access points
Part access point and the second backup access point；
The gateway sends data replication instruction to the first backup access point, and receives the impaired access point based on described
Data replication instruction is sent data cached, and data cached is sent to the first backup relays device by described；
The gateway sends switching command to the impaired access point, wherein, the switching command is used to indicate that described be damaged connects
Terminal under access point administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
2. according to the method for claim 1, it is characterised in that the second backup access point is moveable access point,
After the impaired feedback information that the gateway receives that impaired access point is sent, in addition to：
The gateway obtains the positional information of the impaired access point；
Positional information of the gateway based on the impaired access point sends move to the second backup access point, described
Move is used to indicate the position that the second backup access point is moved within the impaired access point distance threshold.
3. according to the method for claim 1, it is characterised in that the impaired access point, which is in, to be stopped to the impaired access
Terminal under point administration sends the pattern of wake-up association.
4. according to the method for claim 1, it is characterised in that the impaired access point is in maximum transmission power pattern.
5. according to the method described in Claims 1-4 any claim, it is characterised in that methods described also includes：
After the impaired feedback information that gateway receives impaired access point, answered receiving the impaired access point based on the data
System instruction send it is data cached before, the filter closed in the gateway；
Receive that the impaired access point sent based on the data replication instruction it is data cached after, reopen the net
The filter in the Central Shanxi Plain.
6. a kind of gateway, it is characterised in that the gateway includes：Receiving module, sending module and selecting module,
The receiving module is used for the impaired feedback information for receiving impaired access point；
The sending module is used to send querying command to n neighbouring access points based on the impaired feedback information；
The receiving module be used to receiving the neighbouring access points of the n feed backs based on the querying command the n adjacent to connecing
The caching margin value of access point；
The selecting module is used to be selected from the n neighbouring access points according to the caching margin value of the n neighbouring access points
Select out the first backup access point and the second backup access point；
The sending module is used to send data replication instruction to the first backup access point；
The receiving module be used for receive the impaired access point sent based on the data replication instruction it is data cached；
The sending module is used to data cached be sent to the first backup relays device by described；
The sending module is used to send switching command to the impaired access point, wherein, the switching command is used to indicate institute
The terminal stated under impaired access point administration switches to the second backup access point from the impaired access point；
Wherein, the first backup access point is different from the second backup access point.
7. gateway according to claim 6, it is characterised in that the gateway also includes acquisition module,
The acquisition module is used for the positional information for obtaining the impaired access point；
The sending module is used for the positional information based on the impaired access point and sends movement to the second backup access point
Instruction, the move are used to indicate that the second backup access point is moved within the impaired access point distance threshold
Position.
8. gateway according to claim 6, it is characterised in that the impaired access point, which is in, to be stopped to the impaired access
Terminal under point administration sends the pattern of wake-up association.
9. gateway according to claim 6, it is characterised in that the impaired access point is in maximum transmission power pattern.
10. according to the gateway described in claim 6 to 9 any claim, it is characterised in that the gateway also includes closing mould
Block and opening module,
The closedown module is used for after the impaired feedback information that gateway receives impaired access point, is receiving the impaired access
Point based on the data replication instruction send it is data cached before, the filter closed in the gateway；
The opening module be used for receive the impaired access point based on the data replication instruction send it is data cached it
Afterwards, the filter in the gateway is reopened.
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| CN116996924A (en) * | 2023-09-22 | 2023-11-03 | 新华三技术有限公司 | Fault processing method and device |
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