CN112954697B - Channel allocation method, device, electronic equipment and storage medium - Google Patents
Channel allocation method, device, electronic equipment and storage medium Download PDFInfo
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- CN112954697B CN112954697B CN202110100674.9A CN202110100674A CN112954697B CN 112954697 B CN112954697 B CN 112954697B CN 202110100674 A CN202110100674 A CN 202110100674A CN 112954697 B CN112954697 B CN 112954697B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The application provides a channel allocation method, a device, an electronic device and a storage medium, wherein the method is applied to a cloud platform and comprises the following steps: calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN; temporarily allocating M available channels of the specified 5GHz frequency band to N APs to obtain M-by-N channel allocation schemes; calculating a channel influence factor of each available channel in each channel allocation scheme according to the calculated longest distance, the distance between any two APs on the available channel and the total number value of the APs on the available channel; determining a channel allocation scheme meeting preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme; and formally allocating each available channel in the determined channel allocation scheme to the corresponding AP. The method and the device can improve the user experience of the wireless user.
Description
Technical Field
The present application relates to the field of wireless technologies, and in particular, to a channel allocation method, an apparatus, an electronic device, and a storage medium.
Background
Currently, for any AP in a Wireless Local Area Network (WLAN), when using available channels in a 5G frequency band, it is common to select an available channel as its working channel preferentially by scanning channel quality of each available channel. Thus, the problem of serious channel interference among multiple APs in the WLAN is likely to occur, thereby affecting the user experience of the wireless user.
Disclosure of Invention
In order to overcome the problems in the related art, the present application provides a channel allocation method, device, electronic device and storage medium.
According to a first aspect of embodiments of the present application, there is provided a channel allocation method, where the method is applied to a cloud platform, and the method includes:
calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN;
temporarily allocating M available channels of the appointed 5GHz frequency band to N APs to obtain M-N channel allocation schemes, wherein the available channels allocated to each AP in the N APs in all the channel allocation schemes all comprise the M available channels of the appointed 5GHz frequency band, the value of M is a positive integer, and the value of N is the total number value of all the APs;
calculating a channel influence factor of each available channel in each channel allocation scheme according to the longest distance in the calculated distances, the calculated distance between any two APs on the available channel and the total number value of the APs on the available channel, wherein the channel influence factor is used for characterizing the channel interference degree of the available channel;
determining a channel allocation scheme meeting preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme;
and formally allocating each available channel in the determined channel allocation scheme to the corresponding AP, so that the corresponding AP works on the formally allocated available channel of the cloud platform.
According to a second aspect of the embodiments of the present application, there is provided a channel allocation apparatus, where the apparatus is applied to a cloud platform, the apparatus includes:
the first calculation module is used for calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN;
the first channel allocation module is used for temporarily allocating M available channels of the appointed 5GHz frequency band to N APs to obtain M-N channel allocation schemes, wherein the available channels allocated to each AP in the N APs in all the channel allocation schemes all comprise the M available channels of the appointed 5GHz frequency band, the value of M is a positive integer, and the value of N is the total number value of all the APs;
a second calculating module, configured to calculate, for each available channel in each channel allocation scheme, a channel impact factor of the available channel according to a longest distance among the calculated distances, the calculated distance between any two APs on the available channel, and a total number value of APs on the available channel, where the channel impact factor is used to characterize a channel interference degree of the available channel;
the determining module is used for determining a channel allocation scheme meeting preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme;
and the second channel allocation module is used for officially allocating each available channel in the determined channel allocation scheme to the corresponding AP so that the corresponding AP works on the officially allocated available channel of the cloud platform.
According to a third aspect of embodiments herein, there is provided an electronic device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: method steps for implementing the above-described channel allocation method.
According to a fourth aspect of embodiments of the present application, there is provided a computer-readable storage medium having stored therein a computer program which, when executed by a processor, performs the method steps of the above-described channel allocation method. The technical scheme provided by the embodiment of the application can have the following beneficial effects:
in the embodiment of the application, for each AP in the WLAN, the cloud platform may determine a channel allocation scheme with the minimum channel interference degree according to the location information of each AP and a plurality of channel allocation schemes obtained by temporarily allocating an available channel of a specified 5GHz band to the APs, and allocate a formal working channel to all the APs by using the channel allocation scheme, so as to improve user experience of a wireless user.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic flowchart of a channel allocation method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a channel allocation apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Next, examples of the present application will be described in detail.
An embodiment of the present application provides a channel allocation method, which is applied to a cloud platform, and as shown in fig. 1, the method may include the following steps:
and S11, calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN.
And S12, temporarily allocating the M available channels of the appointed 5GHz frequency band to the N APs to obtain M-by-N channel allocation schemes.
In this step, the available channels allocated by each AP of the N APs in all the channel allocation schemes all include M available channels in the specified 5GHz band. Wherein, the value of M is a positive integer, and the value of N is the total quantity value of all APs.
S13, for each available channel in each channel allocation scheme, calculating a channel impact factor of the available channel according to the longest distance among the calculated distances, the calculated distance between any two APs on the available channel, and the total number value of APs on the available channel.
In this step, the channel impact factor is used to characterize the channel interference level of the available channel.
And S14, determining a channel allocation scheme meeting the preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme.
And S15, formally allocating each available channel in the determined channel allocation scheme to the corresponding AP, so that the corresponding AP works on the formally allocated available channel of the cloud platform.
Specifically, in step S11, the cloud platform may acquire the location information of each AP by:
in the first way, the cloud platform receives location information of each AP input by an administrator.
The first method is applicable to a scenario in which all APs in the WLAN are not all located outdoors, that is, a scenario in which all APs are located indoors and a scenario in which some APs are located indoors and another part of APs are located outdoors.
In the second method, the location information of each AP is acquired by a Global Positioning System (GPS) module.
It should be noted that the second method is applicable to a scenario in which all APs in the WLAN are located outdoors.
In the step S12, assuming that there are AP1, AP2, and AP3 in the WLAN and the available channels of the specified 5G frequency band are channel a and channel B, respectively, the cloud platform temporarily allocates channel a and channel B to AP1, AP2, and AP3, so as to obtain 6 channel allocation schemes, which are specifically as follows:
channel allocation scheme 1: temporarily allocating channel A for AP1, temporarily allocating channel A for AP2, and temporarily allocating channel A for AP 3;
channel allocation scheme 2: temporarily allocating channel A for AP1, temporarily allocating channel B for AP2, and temporarily allocating channel A for AP 3;
channel allocation scheme 3: temporarily allocating channel A for AP1, temporarily allocating channel B for AP2, and temporarily allocating channel B for AP 3;
channel allocation scheme 4: temporarily allocating channel B for the AP1, temporarily allocating channel B for the AP2, and temporarily allocating channel B for the AP 3;
channel allocation scheme 5: temporarily allocating channel B for the AP1, temporarily allocating channel A for the AP2, and temporarily allocating channel B for the AP 3;
channel allocation scheme 6: temporarily allocate channel B to AP1, temporarily allocate channel B to AP2, and temporarily allocate channel a to AP 3.
In step S13, the cloud platform may specifically calculate the channel impact factor of the available channel by:
calculating the difference value between the longest distance in the calculated distances and the calculated distance between any two APs on the available channel;
and carrying out quotient calculation on the sum of all the calculated differences and the total number value of the APs on the available channel to obtain a channel influence factor of the available channel.
For example, assume that there are AP1, AP2, AP3, AP4, AP5, and AP6 in a WLAN. Assuming that the longest distance among the calculated distances between any two APs is the distance between AP5 and AP6, and assuming that the APs on the available channel are AP1, AP2, AP3, and AP4, the cloud platform calculates the difference between the maximum distance (i.e., the distance between AP5 and AP 6) and the calculated distance between any two APs on the available channel, which are the distance between AP1 and AP2, the distance between AP1 and AP3, the distance between AP1 and AP4, the distance between AP2 and AP3, the distance between AP2 and AP4, the distance between AP3 and AP4, respectively; then, the cloud platform performs a quotient operation on the sum of all the calculated differences and the total number value (i.e., 4) of the APs on the channel to obtain a channel impact factor of the available channel.
It should be noted that, the larger the channel impact factor of the available channel is, the higher the interference degree of the channel is; the smaller the channel impact factor of the available channel, the lower the interference level of the channel.
Of course, in this embodiment of the application, the cloud platform may also calculate the channel impact factor of the available channel in other manners, which is not listed here.
In step S14, the cloud platform may specifically determine a channel allocation scheme that satisfies the preset condition by:
calculating the sum of the channel influence factors of all available channels in each channel allocation scheme;
and determining the channel allocation scheme with the minimum sum of the calculated channel influence factors as the channel allocation scheme meeting the preset condition.
That is to say, the cloud platform finally selects a channel allocation scheme with the lowest overall interference degree of the channels, so as to improve the user experience of the wireless user.
As can be seen from the above technical solutions, in the embodiment of the present application, for each AP in the WLAN, the cloud platform may determine a channel allocation scheme with the minimum channel interference degree according to the location information of each AP and a plurality of channel allocation schemes obtained by temporarily allocating an available channel of the specified 5GHz band to the APs, and allocate a formal working channel to all the APs by using the channel allocation scheme, so as to improve user experience of a wireless user.
Based on the same inventive concept, the present application further provides a channel allocation apparatus, where the apparatus is applied to a cloud platform, and a schematic structural diagram of the apparatus is shown in fig. 2, and specifically includes:
the first calculating module 21 is configured to calculate a distance between any two APs in all the APs according to the acquired location information of each AP in the WLAN;
the first channel allocation module 22 is configured to temporarily allocate M available channels in the specified 5GHz band to N APs to obtain M × N channel allocation schemes, where the available channels allocated by each AP in the N APs in all the channel allocation schemes all include the M available channels in the specified 5GHz band, a value of M is a positive integer, and a value of N is a total number value of all the APs;
a second calculating module 23, configured to calculate, for each available channel in each channel allocation scheme, a channel impact factor of the available channel according to a longest distance among the calculated distances, the calculated distance between any two APs on the available channel, and a total number value of APs on the available channel, where the channel impact factor is used to characterize a channel interference degree of the available channel;
the determining module 24 determines a channel allocation scheme meeting preset conditions according to the calculated channel impact factors of all available channels in each channel allocation scheme;
a second channel allocating module 25, configured to formally allocate each available channel in the determined channel allocation scheme to a corresponding AP, so that the corresponding AP operates on the available channel formally allocated by the cloud platform.
Preferably, the apparatus further comprises:
an obtaining module (not shown in fig. 2) configured to obtain location information of each AP by:
receiving position information of each AP input by an administrator, wherein all the APs are not all located outdoors; or,
and acquiring the position information of each AP through a GPS module of the GPS, wherein each AP is positioned outdoors.
Preferably, the second calculating module 23 is specifically configured to calculate the channel impact factor of the available channel by:
calculating the difference value between the longest distance in the calculated distances and the calculated distance between any two APs on the available channel;
and carrying out quotient calculation on the sum of all the calculated difference values and the total number value of the APs on the available channel to obtain a channel influence factor of the available channel.
Preferably, the determining module 24 is specifically configured to determine a channel allocation scheme meeting a preset condition by:
calculating the sum of the channel influence factors of all available channels in each channel allocation scheme;
and determining the channel allocation scheme with the minimum sum of the calculated channel influence factors as the channel allocation scheme meeting the preset condition.
As can be seen from the above technical solutions, in the embodiment of the present application, for each AP in the WLAN, the cloud platform may determine a channel allocation scheme with the minimum channel interference degree according to the location information of each AP and a plurality of channel allocation schemes obtained by temporarily allocating an available channel of the specified 5GHz band to the APs, and allocate a formal working channel to all the APs by using the channel allocation scheme, so as to improve user experience of a wireless user.
Embodiments of the present application further provide an electronic device, as shown in fig. 3, including a processor 31 and a machine-readable storage medium 32, where the machine-readable storage medium 32 stores machine-executable instructions that can be executed by the processor 31, and the processor 31 is caused by the machine-executable instructions to: the steps of the channel allocation method described above are implemented.
The machine-readable storage medium may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the machine-readable storage medium may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In yet another embodiment provided by the present application, a computer-readable storage medium is further provided, in which a computer program is stored, which when executed by a processor implements the steps of the above-mentioned channel allocation method.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (10)
1. A channel allocation method is applied to a cloud platform, and comprises the following steps:
calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN;
temporarily allocating M appointed available channels of a 5GHz frequency band to N APs to obtain M-N channel allocation schemes, wherein the allocated available channels of each AP in the N APs in all the channel allocation schemes all comprise the M appointed available channels of the 5GHz frequency band, the value of M is a positive integer, and the value of N is the total number of all the APs;
calculating a channel influence factor of each available channel in each channel allocation scheme according to the longest distance in the calculated distances, the calculated distance between any two APs on the available channel and the total number value of the APs on the available channel, wherein the channel influence factor is used for characterizing the channel interference degree of the available channel;
determining a channel allocation scheme meeting preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme;
and formally allocating each available channel in the determined channel allocation scheme to the corresponding AP, so that the corresponding AP works on the formally allocated available channel of the cloud platform.
2. The method of claim 1, wherein the location information of each AP is obtained by:
receiving position information of each AP input by an administrator, wherein all the APs are not all located outdoors; or,
and acquiring the position information of each AP through a GPS module of the GPS, wherein each AP is positioned outdoors.
3. The method of claim 1, wherein the channel impact factor for the available channel is calculated by:
calculating the difference value between the longest distance in the calculated distances and the distance between any two APs on the available channel;
and carrying out quotient calculation on the sum of all the calculated differences and the total number value of the APs on the available channel to obtain a channel influence factor of the available channel.
4. The method of claim 1, wherein a channel allocation scheme satisfying the predetermined condition is determined by:
calculating the sum of the channel influence factors of all available channels in each channel allocation scheme;
and determining the channel allocation scheme with the minimum sum of the calculated channel influence factors as the channel allocation scheme meeting the preset condition.
5. A channel allocation device, wherein the device is applied to a cloud platform, and the device comprises:
the first calculation module is used for calculating the distance between any two APs in all the APs according to the acquired position information of each AP in the WLAN;
the first channel allocation module is used for temporarily allocating M available channels of the appointed 5GHz frequency band to N APs to obtain M-N channel allocation schemes, wherein the available channels allocated to each AP in the N APs in all the channel allocation schemes all comprise the M available channels of the appointed 5GHz frequency band, the value of M is a positive integer, and the value of N is the total number value of all the APs;
a second calculating module, configured to calculate, for each available channel in each channel allocation scheme, a channel impact factor of the available channel according to a longest distance among the calculated distances, the calculated distance between any two APs on the available channel, and a total number value of APs on the available channel, where the channel impact factor is used to characterize a channel interference degree of the available channel;
the determining module is used for determining a channel allocation scheme meeting preset conditions according to the calculated channel influence factors of all available channels in each channel allocation scheme;
and the second channel allocation module is used for officially allocating each available channel in the determined channel allocation scheme to the corresponding AP so that the corresponding AP works on the officially allocated available channel of the cloud platform.
6. The apparatus of claim 5, further comprising:
an obtaining module, configured to obtain location information of each AP in the following manner:
receiving position information of each AP input by an administrator, wherein all the APs are not all located outdoors; or,
and acquiring the position information of each AP through a GPS module of the GPS, wherein each AP is positioned outdoors.
7. The apparatus of claim 5, wherein the second calculating module is specifically configured to calculate the channel impact factor of the available channel by:
calculating the difference value between the longest distance in the calculated distances and the distance between any two APs on the available channel;
and carrying out quotient calculation on the sum of all the calculated differences and the total number value of the APs on the available channel to obtain a channel influence factor of the available channel.
8. The apparatus of claim 5, wherein the determining module is specifically configured to determine a channel allocation scheme satisfying a preset condition by:
calculating the sum of the channel influence factors of all available channels in each channel allocation scheme;
and determining the channel allocation scheme with the minimum sum of the calculated channel influence factors as the channel allocation scheme meeting the preset condition.
9. An electronic device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: carrying out the method steps of any one of claims 1 to 4.
10. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of claims 1 to 4.
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| CN105340333B (en) * | 2013-10-18 | 2019-07-19 | 华为技术有限公司 | A method and device for joint configuration of power and channel of WLAN |
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| CN103428866A (en) * | 2013-07-18 | 2013-12-04 | 北京邮电大学 | Channel and power distribution system and method based on adjacent-channel interference |
| CN106060946A (en) * | 2016-05-31 | 2016-10-26 | 杭州华三通信技术有限公司 | Channel distribution method and device |
| CN107734694A (en) * | 2017-09-14 | 2018-02-23 | 北京国电通网络技术有限公司 | An Overlapping Channel Allocation Method Based on Dynamic Load |
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