CN107396287A - The choosing method and device of a kind of working frequency points - Google Patents
The choosing method and device of a kind of working frequency points Download PDFInfo
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- CN107396287A CN107396287A CN201710573573.7A CN201710573573A CN107396287A CN 107396287 A CN107396287 A CN 107396287A CN 201710573573 A CN201710573573 A CN 201710573573A CN 107396287 A CN107396287 A CN 107396287A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 claims description 25
- 238000009826 distribution Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 abstract description 25
- 238000004590 computer program Methods 0.000 description 13
- 238000003860 storage Methods 0.000 description 11
- 238000007726 management method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The invention discloses a kind of choosing method of working frequency points, including：N number of working frequency points corresponding to N number of access point in environment, and N number of signal intensity corresponding to N number of access point are detected, the N is the integer more than 1；Obtain the quantity for the internet-of-things terminal that each access point in N number of access point is carried；The quantity of the internet-of-things terminal carried according to N number of working frequency points, N number of signal intensity and each access point, target operation frequency is chosen for target access, N number of access point does not include the target access.The embodiment of the present invention additionally provides a kind of selecting device of working frequency points.Antijamming capability and communication reliability can be lifted using the embodiment of the present invention.
Description
Technical field
The present invention relates to the choosing method and device of internet of things field, more particularly to a kind of working frequency points.
Background technology
Internet of Things is the important component of generation information technology, and the important development stage in " informationization " epoch.
Its English name is：“Internet of things(IoT)”.Internet of Things passes through Intellisense, identification technology and general fit calculation
Deng communication cognition technology, it is widely used in the fusion of network, is also therefore referred to as the world information after computer, internet
The third wave of industry development.Internet of Things is the application extension of internet, Internet of Things is network, not equal to Internet of Things
It is business and application.Therefore, application innovation is the core of Internet of Things development, and the innovation 2.0 using Consumer's Experience as core is Internet of Things
Net the soul of development.
Internet-of-things terminal accesses generally use wireless communication technique.Current wireless communication technique, such as WIFI, bluetooth
Deng the problem such as, generally existing poor anti jamming capability, communication reliability be low, the requirement of internet of things service quality can not be met.
The content of the invention
The embodiment of the present invention provides a kind of choosing method and device of working frequency points, to lift antijamming capability and communication
Reliability.
In a first aspect, the embodiment of the present invention provides a kind of choosing method of working frequency points, the choosing method of working frequency points and
Device includes gateway/access point, including：N number of working frequency points corresponding to N number of access point in the gateway/access point detection environment,
And N number of signal intensity corresponding to N number of access point, the N are the integer more than 1；Described in the gateway/access point obtains
The quantity for the internet-of-things terminal that each access point in N number of access point is carried；Gateway/the access point is according to described N number of
The quantity for the internet-of-things terminal that working frequency points, N number of signal intensity and each access point are carried, selected for target access
Target operation frequency is taken, N number of access point does not include the target access.It can be seen that using each different working frequency points
Communicated, ensure that in the range of the same space, the channel of each access point communication period is monopolized, and then improves anti-interference energy
Power and communication reliability.
In some feasible embodiments, the gateway/access point is according to N number of working frequency points, N number of signal
The quantity for the internet-of-things terminal that intensity and each access point are carried, the specific of target operation frequency is chosen for target access
Embodiment is：The internet-of-things terminal that the gateway/access point is carried according to N number of signal intensity and each access point
Quantity, N number of working frequency points are ranked up, to obtain anti-interference list；Gateway/the access point is according to described anti-dry
Disturb list and choose target operation frequency for target access.
In some feasible embodiments, the gateway/access point is according to N number of working frequency points, N number of signal
The quantity for the internet-of-things terminal that intensity and each access point are carried, after choosing target operation frequency for target access,
Methods described also includes：The terminal broadcast that gateway/access point is carried by preset registration frequency to the target access
The target operation frequency, and the terminal distribution time slot carried by the target access.
In some feasible embodiments, the terminal that the gateway/access point is carried by the target access is divided
After time slot, methods described also includes：The gateway/access point receives the internet-of-things terminal that the target access is carried
The significant data transmission request that i is sent, significant data transmission request carry the significance level of data to be transmitted and described treated
Transmit size of data；Significance level and the data to be transmitted size of the gateway/access point according to the data to be transmitted
Time slot is redistributed for the internet-of-things terminal i.
In some feasible embodiments, the terminal that the gateway/access point is carried by the target access is divided
After time slot, methods described also includes：The gateway/access point receives the internet-of-things terminal that the target access is carried
The traffic management and control request that i is sent, the traffic management and control request carrying internet-of-things terminal i important priority, the gateway/
Access point is the Internet of Things according to the time resource in the target operation frequency and the internet-of-things terminal i important priority
Network termination i redistributes time slot.
In some feasible embodiments, N number of work corresponding to N number of access point in the gateway/access point detection environment
Make frequency, including：Threshold is preset when detecting that wireless interference signal is more than to the interference strength of the target access working frequency points
During value, N number of working frequency points corresponding to N number of access point in the gateway/access point detection environment.
In some feasible embodiments, N number of work corresponding to N number of access point in the gateway/access point detection environment
Before making frequency, methods described also includes：
The gateway/access point obtains the important priority of the target access；
Gateway/the access point determines whether the important priority of the target access is to preset important priority；
If the important priority of the target access is to preset important priority, the gateway/access point is from reserved
It is that the target access chooses working frequency points in working frequency range, the reserved working frequency range is used exclusively for handling special event
The working frequency range reserved；
If not to preset important priority, the gateway/access point detects the important priority of the target access
N number of working frequency points corresponding to N number of access point in environment.
In some feasible embodiments, N number of working frequency points are not in the reserved working frequency range, described pre-
The annoyance level of working frequency range is stayed to be less than the annoyance level of N number of working frequency points.It can be seen that when target access is important
When, it is operated from the frequency in reserved working frequency range, can further improves antijamming capability and communication reliability.
Second aspect, the embodiment of the present invention provide a kind of selecting device of working frequency points, including：
Detection module, for detecting N number of working frequency points corresponding to N number of access point in environment, and N number of access point pair
The N number of signal intensity answered, the N are the integer more than 1；
Data obtaining module, the internet-of-things terminal carried for obtaining each access point in N number of access point
Quantity；
Frequency chooses module, for according to N number of working frequency points, N number of signal intensity and each access point institute
The quantity of the internet-of-things terminal of carrying, target operation frequency is chosen for target access, N number of access point does not include the mesh
Tag splice access point.
In some feasible embodiments, detection module, for detecting N number of work corresponding to N number of access point in environment
Frequency, and N number of signal intensity corresponding to N number of access point, the N are the integer more than 1；
Data obtaining module, the internet-of-things terminal carried for obtaining each access point in N number of access point
Quantity；
Frequency chooses module, for according to N number of working frequency points, N number of signal intensity and each access point institute
The quantity of the internet-of-things terminal of carrying, target operation frequency is chosen for target access, N number of access point does not include the mesh
Tag splice access point.
In some feasible embodiments, described device also includes：
Broadcast module, for mesh described in terminal broadcast from preset registration frequency to the target access that carried by
Mark working frequency points；
Time slot distribute module, for the terminal distribution time slot carried by the target access.
In some feasible embodiments, described device also includes：
Receiving module, the significant data transmission sent for receiving the internet-of-things terminal i that the target access is carried
Request, the significant data transmission request carry the significance level of data to be transmitted and the data to be transmitted size；
The time slot distribute module, it is additionally operable to big according to the significance level of the data to be transmitted and the data to be transmitted
It is small to redistribute time slot for the internet-of-things terminal i.
In some feasible embodiments, the detection module is specifically used for：
When detecting that wireless interference signal is more than predetermined threshold value to the interference strength of the target access working frequency points,
Detect N number of working frequency points corresponding to N number of access point in environment.
The third aspect, the present invention provide a kind of selecting device of working frequency points, and the selecting device of the working frequency points includes
Processor, processor are configured as supporting the selecting device of the working frequency points to perform a kind of working frequency points that first aspect provides
Corresponding function in choosing method.The selecting device of the working frequency points can also include memory, and memory is used for and processor
Coupling, it preserves the necessary programmed instruction of selecting device of the working frequency points and data.The selecting device of the working frequency points may be used also
With including communication interface, selecting device and other equipment or communication for the working frequency points.
Fourth aspect, the embodiments of the invention provide a kind of computer-readable recording medium, wherein, above computer is readable
Storage medium stores the computer program for electronic data interchange, wherein, above computer program causes computer to perform such as
Part or all of step described by first aspect of the embodiment of the present invention, above computer include the selecting device of working frequency points.
5th aspect, the embodiments of the invention provide a kind of computer program product, wherein, above computer program product
Non-transient computer-readable recording medium including storing computer program, above computer program are operable to make calculating
Machine performs the part or all of step as described by first aspect of the embodiment of the present invention.The computer program product can be one
Software installation bag, above computer include the selecting device of working frequency points.
Compared to prior art, scheme provided by the invention can consider environment when choosing working frequency points for some access point
Each access of working frequency points corresponding to other interior access points, signal intensity and other access points corresponding to other access points
The quantity of the carried internet-of-things terminal of point, can so ensure that in the range of the same space, the letter of each access point communication period
Road is monopolized, and then improves antijamming capability and communication reliability.
The aspects of the invention or other aspects can more straightforwards in the following description.
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 a kind of schematic diagram of Internet of Things network architecture provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the choosing method of working frequency points provided in an embodiment of the present invention；
Fig. 3 be it is provided in an embodiment of the present invention it is a kind of be target access choose working frequency points schematic diagram；
Fig. 4 is a kind of schematic flow sheet of the choosing method of working frequency points provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of the selecting device of working frequency points provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of the selecting device of working frequency points provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It is described in detail individually below.
Term " first ", " second ", " the 3rd " in description and claims of this specification and the accompanying drawing and "
Four " etc. be to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and " having " and it
Any deformation, it is intended that cover non-exclusive include.Such as contain the process of series of steps or unit, method, be
The step of system, product or equipment are not limited to list or unit, but alternatively also including the step of not listing or list
Member, or alternatively also include for the intrinsic other steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Hereinafter, the part term in the application is explained, in order to skilled artisan understands that.
1), internet-of-things terminal is that Sensor Network network layers and transport network layer are connected in Internet of Things, realizes gathered data and to net
The equipment that network layers send data.It is responsible for the multiple functions such as data acquisition, preliminary treatment, encryption, transmission.For example, Internet of Things
Terminal can be portable equipment, mobile unit, mobile phone, tablet personal computer, notebook computer, the palm for having wireless connecting function
Computer, mobile internet device (mobile internet device, MID), wearable device, such as intelligent watch, intelligence
Bracelet, pedometer etc., certain internet-of-things terminal can also include the other equipment with network savvy, such as intelligent television, intelligence
Smart machine of energy air-conditioning, intelligent kettle or some Internet of Things etc..
2), repeater, its English name are：" Repeater (RP) ", it is a kind of connection equipment of work on a physical layer.It is suitable
For the interconnection of identical two classes network, major function is by resending or forwarding to data-signal, to expand
The distance of big network transmission.
3), gateway, English name are：" Gateway ", gateway (Gateway) are also known as gateway, protocol converter.Net
Close in Internet implementation above network interconnection, be most complicated network interconnection apparatus, network interconnection, be only used for two different nets of upper-layer protocol
Network interconnects.Gateway both can be used for wide area network interconnection, can be used for local area network interconnection.Gateway is that a kind of serve as changes important task
Computer system or equipment.Using in different communication protocol, data format or language, in addition architecture it is entirely different two
Between kind system, gateway is a translater.Simply simply reception and registration information is different from bridge, and gateway will weigh to the information received
New packing, with the demand of adaptation to end system.
4), access point (AP) refer to incorporate the intelligent information that wireless network access points and RFID access points are integrated receive and
Equipment is sent, Internet of Things AP can receive and send simultaneously WIFI signal and RFID signal.
5), " multiple " refer to two or more."and/or", describes the incidence relation of affiliated partner, and expression can deposit
In three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.
It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
Embodiments herein is described below in conjunction with the accompanying drawings.
A kind of according to an aspect of the invention, there is provided choosing method of working frequency points.Wherein, this method is applied such as
In internet of things framework shown in Fig. 1, as shown in figure 1, the internet of things framework includes：Gateway 10, multiple access points 20, with connecing
The internet-of-things terminal 30 and repeater 40 of the connection of access point 20, the internet-of-things terminal 50 being connected with repeater 40.Wherein, Internet of Things is whole
End 50 is wirelessly connected with repeater 40, and repeater 40 and internet-of-things terminal 30 wirelessly connect with access point 20
Connect, access point 20 is wirelessly or wired mode accesses internet with gateway 10, and above-mentioned wireless mode includes but is not limited to：
The mode such as bluetooth, WIFI, ZigBee, GPRS, 3G, 4G, Wimax.It is example in a wired fashion in Fig. 1, represents for convenience, this
In only represented with a solid line.
Fig. 2 is referred to, Fig. 2 is a kind of schematic flow sheet of the choosing method of working frequency points provided in an embodiment of the present invention,
Wherein, the executive agent for performing the choosing method of working frequency points can be gateway or access point, below with executive agent
To be illustrated exemplified by gateway, comprise the following steps：
N number of working frequency points corresponding to N number of access point in S201, gateway detection environment, and corresponding to N number of access point
N number of signal intensity, the N are the integer more than 1.
S202, the gateway obtain the number for the internet-of-things terminal that each access point in N number of access point is carried
Amount.
S203, the gateway are carried according to N number of working frequency points, N number of signal intensity and each access point
Internet-of-things terminal quantity, choose target operation frequency for target access, N number of access point do not connect including the target
Access point.
Alternatively, N number of working frequency points and the target operation frequency are between 100MHz~1GHz.
Alternatively, the gateway is held according to N number of working frequency points, N number of signal intensity and each access point
The quantity of the internet-of-things terminal of load, it is that the embodiment that target access chooses target operation frequency is：The net according to
N number of working frequency points are arranged by the quantity for the internet-of-things terminal that N number of signal intensity and each access point are carried
Sequence, to obtain anti-interference list；The gateway is that target access chooses target operation frequency according to the anti-interference list.
As an example it is assumed that N=4,4 access points have the first access point, the second access point, the 3rd access point and the 4th to connect
Access point, 4 working frequency points corresponding to this 4 access points have：First working frequency points 200MHz, the second working frequency points 300MHz,
Three working frequency points 350MHz and the 4th working frequency points 450MHz, signal intensity corresponding to this 4 working frequency points have：100db、
50db, 30db, 20db, the quantity for the internet-of-things terminal that 4 access points are carried have：200th, 155,133,50, usual signal is strong
Degree is bigger bigger to the interference of side working frequency points, and the quantity for the internet-of-things terminal that access point is carried is more to side working frequency points
Interference is bigger, it is seen then that after being ranked up to above-mentioned 4 working frequency points, obtained anti-interference list is as shown in table 1.Gateway according to
Table 1 is that target access chooses target operation frequency, such as, the internet-of-things terminal quantity that the 4th access point is carried is relatively
It is few, and signal intensity is relatively weak, the working frequency points near gateway selectively operating frequency 450MHz are as target access
Target operation frequency, for example selection 460MHZ is as target operation frequency.
Table 1
| Sequence number | Access point | Working frequency points | Signal intensity | The internet-of-things terminal quantity of carrying |
| 1 | First access point | 200MHz | 100db | 200 |
| 2 | Second access point | 300MHz | 50db | 155 |
| 3 | 3rd access point | 350MHz | 30db | 133 |
| 4 | 4th access point | 450MHz | 20db | 50 |
Alternatively, the gateway is held according to N number of working frequency points, N number of signal intensity and each access point
The quantity of the internet-of-things terminal of load, after choosing target operation frequency for target access, methods described also includes：The gateway
Target operation frequency described in the terminal broadcast carried by preset registration frequency to the target access, and be described
The terminal distribution time slot that target access is carried.
Wherein, preset registration frequency is used exclusively for preset multiple fixed frequencies during registration, it is specific it is several can basis
It is actually needed and is preset, the present invention is not construed as limiting.Above-mentioned N number of working frequency points and target operation frequency are not this multiple fixation
Frequency.After gateway is that target access chooses target operation frequency, by registering frequency, target operation frequency is sent to mesh
Tag splice access point, then target access by register frequency target operation frequency is sent to be connected with target access it is all
Internet-of-things terminal, to cause the work of the working frequency points and target access of all internet-of-things terminals that are connected with target access
Frequency preserves consistent, automatic network-building success.After being operated in the internet-of-things terminal network consisting on same frequency, when gateway passes through
Divide multiplexing algorithm, broadcast distribution clock and distribution time slot, after each internet-of-things terminal receives the time slot of gateway distribution, individual Internet of Things
Terminal according to distribution slot transmission or receive data.
Alternatively, after the terminal distribution time slot that the gateway is carried by the target access, methods described is also wrapped
Include：The gateway receives the significant data transmission request that the internet-of-things terminal i that the target access is carried is sent, described heavy
Data transfer request is wanted to carry the significance level of data to be transmitted and the data to be transmitted size；The gateway is treated according to
It is that the internet-of-things terminal i redistributes time slot to transmit the significance level of data and the data to be transmitted size.
Wherein, sometimes internet-of-things terminal needs to send important data, at this time in order to ensure internet-of-things terminal
These important data are sent successfully, and internet-of-things terminal first feeds back significant data transmission request, to inform the gateway Internet of Things
Network termination has significant data needs, and significant data transmission request carries the significance level and size of the data for needing to send, gateway
After receiving significant data transmission request, the significance level and size of the data that can be sent as needed for the internet-of-things terminal again
Distribute time slot, such as, internet-of-things terminal need the significance level of data that sends bigger, it is necessary to the size of the data sent more
Greatly, the significance level for distributing the data that time slot is longer, and internet-of-things terminal needs to send for internet-of-things terminal again is general, it is necessary to send out
The size for the data sent is general, and it can be fixed value to distribute time slot again for internet-of-things terminal.
Wherein, again for internet-of-things terminal distribute time slot embodiment can be distributed originally when
Time slot is distributed on the basis of gap again, for example the front and rear of the time slot A distributed originally respectively increases how many individual time slots, or, original
How many individual time slots of front/rear increase of the time slot A of distribution etc..Certainly time slot is distributed again for internet-of-things terminal to may not be in original
It is allocated come the basis of the time slot distributed, such as, unappropriated more the youthful and the elderlys are distributed on target operation frequency
The time slot of degree is to internet-of-things terminal.
Alternatively, after the terminal distribution time slot that the gateway is carried by the target access, methods described is also wrapped
Include：The gateway receives the traffic management and control request that the internet-of-things terminal i that the target access is carried is sent, the flowtube
Control request carries the important priority of the internet-of-things terminal i, and the gateway provides according to the time in the target operation frequency
Source and the internet-of-things terminal i important priority are that the internet-of-things terminal i redistributes time slot.
Wherein, some internet-of-things terminal data volumes are bigger, in order to ensure the number of the bigger internet-of-things terminal of data volume
According to that can be successfully transmitted, after gateway receives the traffic management and control request of internet-of-things terminal i transmissions, gateway is according to target operation frequency
Interior time resource and internet-of-things terminal i important priority redistribute time slot for internet-of-things terminal i again.Such as Internet of Things
Network termination i important priority is more important again longer for internet-of-things terminal i distribution time slots, and internet-of-things terminal i's is important preferential
General level can be again fixed value for internet-of-things terminal i distribution time slots.
Wherein, distributing the embodiment of time slot for internet-of-things terminal i again can distribute originally
Time slot is distributed on the basis of time slot again, for example the front and rear of the time slot A distributed originally respectively increases how many individual time slots, or, in original
Come how many individual time slots of the front/rear increase for the time slot A distributed etc..Certainly time slot is distributed again for internet-of-things terminal i may not be
It is allocated on the basis of the time slot distributed originally, such as, distributed on target operation frequency unappropriated more
The time slot of the youthful and the elderly's degree is to internet-of-things terminal.
Alternatively, the embodiment of N number of working frequency points corresponding to N number of access point is in the gateway detection environment：
When detecting that wireless interference signal is more than predetermined threshold value to the interference strength of the target access working frequency points, the gateway
Detect N number of working frequency points corresponding to N number of access point in environment.That is, above step S201 trigger condition is in gateway
Detect that wireless interference signal triggers in the case of being more than predetermined threshold value to the interference strength of the target access working frequency points
's.Certainly triggering above step S201 condition can also be what is triggered when new access point is registered, or, gateway inspection
Triggered in the case of measuring the traffic management and control request that target access reports, traffic management and control asks to be used to inform that gateway target connects
Access point request traffic management and control, etc..
Alternatively, in the gateway detection environment before N number of working frequency points corresponding to N number of access point, methods described is also wrapped
Include：The gateway obtains the important priority of the target access, and determines the important priority of the target access
Whether it is to preset important priority；If the important priority of the target access is to preset important priority, the gateway
It is that the target access chooses working frequency points from reserved working frequency range, it is special that the reserved working frequency range is used exclusively for processing
The working frequency range that different event is reserved；If the important priority of the target access is not to preset important priority, described
N number of working frequency points corresponding to N number of access point in gateway detection environment.
Specifically, the important priority ratio of some access points is larger, and the bigger access point that represents of important priority is important,
The data that access point is sent are also important, in order to ensure that the data of important access point are successfully transmitted, for access point
Share out the work before frequency, gateway first determines the important priority of access point, if the important priority of access point is default important
During priority, gateway chooses working frequency points from reserved working frequency range for access point, if the important priority of access point is not pre-
If during important priority, then perform above step S201.
Wherein, reserved working frequency range is used exclusively for handling the working frequency range that special event is reserved, that is to say, that this
Working frequency range is typically not used at will, special event (such as abnormal, emergent, access point important etc.) is occurring
When just used.
Further, above-mentioned N number of working frequency points are not in reserved working frequency range, and the annoyance level for reserving working frequency range is low
In the annoyance level of above-mentioned N number of working frequency points, when target access is important, entered from the frequency in reserved working frequency range
Row work, it can further improve antijamming capability and communication reliability.
Wherein, gateway is that the embodiment that access point chooses working frequency points is from reserved working frequency range：Gateway can
Arbitrarily to choose a unappropriated working frequency points in reserved working frequency range as the working frequency points of access point, or gateway
Working frequency points for disturbing less working frequency points as mesh access point etc. can be chosen in reserved working frequency range.
Wherein, reserve working frequency range to be between 100MHz~1GHz, such as can be 100MHz~300MHz, 400MHz
~600MHz, 700MHz~900MHz or other frequency ranges.
Alternatively, the action that the gateway obtains the important priority of the target access is detected wirelessly in gateway
What interference signal performed in the case of being more than predetermined threshold value to the interference strength of the target access working frequency points.
It can be seen that in the embodiment of the present invention, N number of working frequency points corresponding to N number of access point in gateway/access point detection environment,
And N number of signal intensity corresponding to N number of access point, the N are the integer more than 1；Described in the gateway/access point obtains
The quantity for the internet-of-things terminal that each access point in N number of access point is carried；Gateway/the access point is according to described N number of
The quantity for the internet-of-things terminal that working frequency points, N number of signal intensity and each access point are carried, selected for target access
Target operation frequency is taken, N number of access point does not include the target access.It can be seen that using each different working frequency points
Communicated, ensure that in the range of the same space, the channel of each access point communication period is monopolized, and then improves anti-interference energy
Power and communication reliability.
For example, as shown in figure 3, it is that target access chooses work frequency that Fig. 3, which is one kind provided in an embodiment of the present invention,
The schematic diagram of point, it is assumed that N=8,8 access points have the first access point, the second access point, the 3rd access point, the 4th access point, the
Five access points, the 6th access point, the 7th access point and the 8th access point, 8 working frequency points corresponding to this 8 access points have：The
One working frequency points 200MHz, the second working frequency points 300MHz, the 3rd working frequency points 350MHz, the 4th working frequency points 450MHz,
Five working frequency points 480MHZ, the 6th working frequency points 540MHZ, the 7th working frequency points 600MHZ and the 8th working frequency points 680MHZ, this
Signal intensity corresponding to 4 working frequency points has：150db, 120db, 100db, 80db, 100db, 50db, 30db, 20db, 8 connect
The quantity for the internet-of-things terminal that access point is carried has：300th, 255,155,144,200,155,133,50, it is seen then that to above-mentioned 8
After working frequency points are ranked up, obtained anti-interference list is as shown in table 2.Gateway is that target access chooses target according to table 2
Working frequency points, such as, the internet-of-things terminal quantity that the 8th access point is carried is relatively fewer, and signal intensity is relatively weak, net
Target operation frequency of the working frequency points near selectively operating frequency 680MHZ as target access is closed, for example is selected
720MHZ is as target operation frequency.Certain gateway can not choose work frequency near working frequency points 680MHZ for tag splice access point
Point, such as, as shown in Figure 3, in 680MHZ~1GHz, this frequency range is all no occupied, and gateway can be target in this frequency range
Access point chooses working frequency points.
Table 2
The embodiment of the present invention additionally provides another more detailed method flow, as shown in figure 4, wherein, performing work frequency
The executive agent of the choosing method of point can be gateway or access point, be carried out below so that executive agent is gateway as an example
Illustrate, including：
S401, gateway detection wireless interference signal are more than predetermined threshold value to the interference strength of target access working frequency points.
If so, then perform step S402.
If it is not, any operation is not made then.
S402, the gateway obtain the important priority of the target access.
S403, the gateway determine whether the important priority of the target access is to preset important priority.
If so, perform step S404.
If it is not, perform step S405.
S404, the gateway are that the target access chooses working frequency points from reserved working frequency range.
N number of working frequency points corresponding to N number of access point in S405, gateway detection environment, and N number of access point pair
The N number of signal intensity answered, the N are the integer more than 1.
S406, the gateway obtain the number for the internet-of-things terminal that each access point in N number of access point is carried
Amount.
The number for the internet-of-things terminal that S407, the gateway are carried according to N number of signal intensity and each access point
N number of working frequency points are ranked up, to obtain anti-interference list by amount.
S408, the gateway are that target access chooses target operation frequency according to the anti-interference list.
Mesh described in the terminal broadcast that S409, the gateway are carried to the target access by preset registration frequency
Mark working frequency points, and the terminal distribution time slot carried by the target access.
S410, the gateway receive the significant data transmission that the internet-of-things terminal i that the target access is carried is sent
Request, the significant data transmission request carry the significance level of data to be transmitted and the data to be transmitted size.
S411, the gateway are the thing according to the significance level of the data to be transmitted and the data to be transmitted size
Networked terminals i redistributes time slot.
It should be noted that the specific implementation process of each step of method shown in Fig. 4 can be found in described in the above method
Specific implementation process, no longer describe herein.
The embodiment of the present invention additionally provides a kind of selecting device 500 of working frequency points, as shown in figure 5, wherein, shown in Fig. 5
The selecting devices of working frequency points be gateway/access point described above, including：
Detection module 501, for detecting N number of working frequency points corresponding to N number of access point in environment, and N number of access
N number of signal intensity corresponding to point, the N are the integer more than 1；
Data obtaining module 502, the Internet of Things end carried for obtaining each access point in N number of access point
The quantity at end；
Frequency chooses module 503, for according to N number of working frequency points, N number of signal intensity and each access point
The quantity of the internet-of-things terminal carried, target operation frequency is chosen for target access, N number of access point does not include described
Target access.
Alternatively, the frequency is chosen module 503 and is specifically used for：
The quantity of the internet-of-things terminal carried according to N number of signal intensity and each access point, to N number of work
It is ranked up as frequency, to obtain anti-interference list；
It is that target access chooses target operation frequency according to the anti-interference list.
Alternatively, the frequency choose module 503 according to N number of working frequency points, N number of signal intensity and each
The quantity for the internet-of-things terminal that access point is carried, after choosing target operation frequency for target access, described device is also wrapped
Include：
Broadcast module 504, for the terminal broadcast institute carried by preset registration frequency to the target access
State target operation frequency；
Time slot distribute module 505, for the terminal distribution time slot carried by the target access.
Alternatively, after the terminal distribution time slot that the time slot distribute module 505 is carried by the target access, institute
Stating device also includes：
Receiving module 506, passed for receiving the significant data that the internet-of-things terminal i that the target access is carried is sent
Defeated request, the significant data transmission request carry the significance level of data to be transmitted and the data to be transmitted size；
The time slot distribute module 505, it is additionally operable to the significance level according to the data to be transmitted and the number to be transmitted
It is that the internet-of-things terminal i redistributes time slot according to size.
Alternatively, the detection module 501 is specifically used for：
When detecting that wireless interference signal is more than predetermined threshold value to the interference strength of the target access working frequency points,
Detect N number of working frequency points corresponding to N number of access point in environment.
It should be noted that above-mentioned each module (detection module 501, data obtaining module 502, frequency choose module 503,
Broadcast module 504, time slot distribute module 505 and receiving module 506) it is used to perform the correlation step of the above method.Such as detection
Module 501 be used for perform above step S201, data obtaining module 502 be used for perform above step S202, for execution more than
Step S203, broadcast module 504 and time slot distribute module 505 are used to perform above step S409, receiving module 506 for performing
Above step S410, time slot distribute module 505 are additionally operable to perform above step S411.Other each module is used to perform the above method
The embodiment of correlation step can be found in the above method, no longer describe herein.
In the present embodiment, the selecting devices 500 of working frequency points is to present in modular form.Here " module " can
To refer to ASIC (application-specific integrated circuit, ASIC), perform one or
The processor and memory of multiple softwares or firmware program, integrated logic circuit, and/or other can provide the device of above-mentioned function
Part.In addition, above detection module 501, data obtaining module 502, frequency choose module 503, broadcast module 504, time slot distribution
Module 505 can realize that above receiving module 506 can be by shown in Fig. 6 by the processor 601 of the terminal device shown in Fig. 6
The communication interface 603 of terminal device realize.
As shown in fig. 6, the selecting devices 600 of working frequency points can be realized with the structure in Fig. 6, the choosing of the working frequency points
Device 600 is taken to include at least one processor 601, at least one memory 602 and at least one communication interface 603.It is described
Processor 601, the memory 602 are connected by the communication bus with the communication interface 603 and completed mutual lead to
Letter.
Processor 601 can be general central processor (CPU), microprocessor, ASIC
(application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey
The integrated circuit that sequence performs.
Communication interface 603, for other equipment or communication, such as Ethernet, wireless access network (RAN), nothing
Line LAN (Wireless Local Area Networks, WLAN) etc..
Memory 602 can be read-only storage (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored
Breath and other kinds of dynamic memory or the EEPROM (Electrically of instruction
Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, laser disc storage (including compression laser disc, laser disc, laser disc, digital universal
Laser disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with referring to
The desired program code of order or data structure form simultaneously can be by any other medium of computer access, but not limited to this.
Memory can be individually present, and be connected by bus with processor.Memory can also integrate with processor.
Wherein, the memory 602 be used for store perform above scheme application code, and by processor 601
Control performs.The processor 601 is used to perform the application code stored in the memory 602.
The code that memory 602 stores can perform the selection side for the above-mentioned working frequency points that terminal device provided above performs
N number of working frequency points corresponding to N number of access point in method, such as detection environment, and N number of signal corresponding to N number of access point are strong
Degree, the N are the integer more than 1；Obtain the number for the internet-of-things terminal that each access point in N number of access point is carried
Amount；The quantity of the internet-of-things terminal carried according to N number of working frequency points, N number of signal intensity and each access point,
Target operation frequency is chosen for target access, N number of access point does not include the target access.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium is stored for electricity
The computer program that subdata exchanges, the computer program cause computer to perform any as described in above-mentioned embodiment of the method
The part or all of step of method, the computer include the selecting device of working frequency points.
The embodiment of the present invention also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer-readable recording medium of machine program, the computer program are operable to make computer perform side as described above
The part or all of step of either method described in method embodiment.The computer program product can be a software installation
Bag, the computer include the selecting device of working frequency points.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer-readable access to memory.Based on such understanding, technical scheme substantially or
Person say the part to be contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are causing a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the present invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, to sum up above-mentioned, this specification content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. choosing method of working frequency points, it is characterised in that including：N number of working frequency points corresponding to N number of access point in environment, and N number of signal intensity corresponding to N number of access point are detected, The N is the integer more than 1；Obtain the quantity for the internet-of-things terminal that each access point in N number of access point is carried；The number of the internet-of-things terminal carried according to N number of working frequency points, N number of signal intensity and each access point Amount, target operation frequency is chosen for target access, N number of access point does not include the target access.
- 2. according to the method for claim 1, it is characterised in that N number of work corresponding to N number of access point in the detection environment Frequency, including：When detecting that wireless interference signal is more than predetermined threshold value to the interference strength of the target access working frequency points, detection N number of working frequency points corresponding to N number of access point in environment.
- 3. method according to claim 1 or 2, it is characterised in that described according to N number of working frequency points, N number of letter The quantity for the internet-of-things terminal that number intensity and each access point are carried, target operation frequency, bag are chosen for target access Include：The quantity of the internet-of-things terminal carried according to N number of signal intensity and each access point, to N number of work frequency Point is ranked up, to obtain anti-interference list；It is that target access chooses target operation frequency according to the anti-interference list.
- 4. according to the method described in claim any one of 1-3, it is characterised in that it is described according to N number of working frequency points, it is described The quantity for the internet-of-things terminal that N number of signal intensity and each access point are carried, target operation frequency is chosen for target access After point, methods described also includes：Target operation frequency described in the terminal broadcast carried by preset registration frequency to the target access, Yi Jiwei The terminal distribution time slot that the target access is carried.
- 5. according to the method for claim 4, it is characterised in that the terminal distribution carried by the target access After time slot, methods described also includes：Receive the significant data transmission request that the internet-of-things terminal i that the target access is carried is sent, the significant data Transmission request carries the significance level of data to be transmitted and the data to be transmitted size；It is that the internet-of-things terminal i is redistributed according to the significance level of the data to be transmitted and the data to be transmitted size Time slot.
- A kind of 6. selecting device of working frequency points, it is characterised in that including：Detection module, for detecting N number of working frequency points corresponding to N number of access point in environment, and corresponding to N number of access point N number of signal intensity, the N are the integer more than 1；Data obtaining module, the number of the internet-of-things terminal carried for obtaining each access point in N number of access point Amount；Frequency chooses module, for being carried according to N number of working frequency points, N number of signal intensity and each access point Internet-of-things terminal quantity, choose target operation frequency for target access, N number of access point do not connect including the target Access point.
- 7. device according to claim 6, it is characterised in that the detection module is specifically used for：When detecting that wireless interference signal is more than predetermined threshold value to the interference strength of the target access working frequency points, detection N number of working frequency points corresponding to N number of access point in environment.
- 8. the device according to claim 6 or 7, it is characterised in that the frequency is chosen module and is specifically used for：The quantity of the internet-of-things terminal carried according to N number of signal intensity and each access point, to N number of work frequency Point is ranked up, to obtain anti-interference list；It is that target access chooses target operation frequency according to the anti-interference list.
- 9. according to the device described in claim any one of 6-8, it is characterised in that described device also includes：Broadcast module, for target work described in terminal broadcast from preset registration frequency to the target access that carried by Make frequency；Time slot distribute module, for the terminal distribution time slot carried by the target access.
- 10. device according to claim 9, it is characterised in that described device also includes：Receiving module, request is transmitted for receiving the significant data that the internet-of-things terminal i that the target access is carried is sent, The significant data transmission request carries the significance level of data to be transmitted and the data to be transmitted size；The time slot distribute module, be additionally operable to be according to the significance level and the data to be transmitted size of the data to be transmitted The internet-of-things terminal i redistributes time slot.
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| PCT/CN2017/100767 WO2019010797A1 (en) | 2017-07-14 | 2017-09-06 | Method and device for selecting operating frequency point |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107396287B (en) | 2020-10-20 |
| WO2019010797A1 (en) | 2019-01-17 |
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