CN111867131B - Access method and device - Google Patents
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- CN111867131B CN111867131B CN202010599103.XA CN202010599103A CN111867131B CN 111867131 B CN111867131 B CN 111867131B CN 202010599103 A CN202010599103 A CN 202010599103A CN 111867131 B CN111867131 B CN 111867131B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application provides an access method and a device, wherein the method is applied to an AP, and comprises the following steps: when a detection request message broadcast by a wireless terminal is received through a radio frequency unit, acquiring an access capability parameter of the wireless terminal from the detection request message; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP; judging whether the wireless terminal is allowed to be accessed to the radio frequency unit according to an access strategy and an access capability parameter configured on the radio frequency unit; and when the judgment result is yes, sending a detection response message to the wireless terminal through the radio frequency unit so that the wireless terminal is accessed to the radio frequency unit. The embodiment of the application can reasonably utilize the hardware resources of the AP, thereby improving the user experience of the holding user of the wireless terminal.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an access method and apparatus.
Background
With the continued evolution of wireless local area network (Wireless Local Area Network, WLAN) technology, wireless terminals support a wide variety of wireless protocols, e.g., with 802.11 ax-capable wireless terminals, with 802.11 ac-capable wireless terminals, and with 802.11 n-capable wireless terminals.
At present, for wireless terminals supporting different wireless protocols, the wireless terminals are randomly connected to a plurality of radio frequency units (for example, dual radio frequency units) supporting 5GHz frequency bands on an Access Point (AP) in a mixed manner, and the Access mode does not reasonably utilize hardware resources of the AP, so that the experience of a holding user of the wireless terminal is poor.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides an access method and an access device.
According to a first aspect of an embodiment of the present application, there is provided an access method, the method being applied to an AP, the method including:
when a detection request message broadcast by a wireless terminal is received through a radio frequency unit, acquiring an access capability parameter of the wireless terminal from the detection request message; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP;
judging whether the wireless terminal is allowed to be accessed to the radio frequency unit or not according to an access strategy and the access capability parameter configured on the radio frequency unit;
and when the judgment result is yes, sending a detection response message to the wireless terminal through the radio frequency unit so that the wireless terminal is accessed to the radio frequency unit.
According to a second aspect of an embodiment of the present application, there is provided an access device, the device being applied to an AP, the device comprising:
the acquisition module is used for acquiring access capability parameters of the wireless terminal from a detection request message when the detection request message broadcast by the wireless terminal is received through the radio frequency unit; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP;
the judging module is used for judging whether the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy and the access capability parameter configured on the radio frequency unit;
and the sending module is used for sending a detection response message to the wireless terminal through the radio frequency unit when the judging result of the judging module is yes, so that the wireless terminal is accessed to the radio frequency unit.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
in the embodiment of the application, when an AP receives a detection request message from a wireless terminal through a radio frequency unit supporting a 5GHz frequency band, the AP acquires the access capability parameter of the wireless terminal and comprehensively decides whether to allow access according to the acquired access capability parameter and the access strategy of the radio frequency unit. In the access mode, the AP can classify the wireless terminals according to the wireless access capability of the wireless terminals, and guide the wireless terminals to be differentially accessed to different radio frequency units supporting the 5GHz frequency band, so that the hardware resources of the AP are reasonably utilized, and the user experience of holding users of the wireless terminals is improved.
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 as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic flow chart of an access method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an access device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying 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 specification 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 or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
The embodiments of the present application will be described in detail.
The embodiment of the application provides an access method, which is applied to an AP (access point), and as shown in figure 1, the method can comprise the following steps:
s11, when a probe request message broadcast by the wireless terminal is received through the radio frequency unit, acquiring an access capability parameter of the wireless terminal from the probe request message.
The radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP.
The AP may specifically obtain the access capability parameter of the wireless terminal from an information element (Information Element, IE) field in the probe request packet when obtaining the access capability parameter of the wireless terminal from the probe request packet.
S12, judging whether the wireless terminal is allowed to be accessed to the radio frequency unit according to an access strategy and an access capability parameter configured on the radio frequency unit; when the judgment result is yes, executing a step S13; if the determination result is negative, step S14 is performed.
And S13, sending a probe response message to the wireless terminal through the radio frequency unit so that the wireless terminal is accessed to the radio frequency unit.
S14, refusing to respond to the detection request message.
Specifically, in an embodiment of the present application, the access policy configured on the radio frequency unit may be to allow the wireless terminal supporting 802.11ax or 802.11ac wave2 (second wave) to access and allow the wireless terminal supporting 802.11ac wave1 (first wave) to access, where the number of supported space flows is not less than a set threshold, so as to guide the wireless terminal with higher access capability to access.
In this configuration, the specific implementation procedure of the above step S12 is as follows:
if the access capability parameter comprises 802.11ax or 802.11ac wave2 supported by the wireless terminal, determining that the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal only supports 802.11n; determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac wave1 and the supported space flow number is not smaller than a set threshold value; determining that the judgment result is that the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac wave1 and the supported space flow number is smaller than a set threshold value; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy.
In another embodiment of the present application, the access policy configured on the radio frequency unit may be to allow access to wireless terminals supporting only 802.11n and to allow access to wireless terminals supporting 802.11ac class 1 and supporting a number of space flows less than a set threshold, so as to guide access to wireless terminals with general access capability.
In this configuration, the specific implementation procedure of the above step S12 is as follows:
if the access capability parameter comprises 802.11ax or 802.11ac wave2 supported by the wireless terminal, determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal only supports 802.11n; determining that the judgment result is that the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac wave1 and the supported space flow number is smaller than a set threshold value; determining that the judging result is that the wireless terminal is allowed to be accessed to the radio frequency unit;
if the access capability parameter comprises that the wireless terminal supports 802.11ac wave1 and the supported space flow number is not smaller than a set threshold value; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the determination result.
It should be noted that the setting threshold may be set according to the actual situation of the wireless networking.
The above access method is described in detail with reference to examples.
It is assumed that a dual radio frequency unit supporting a 5GHz band is disposed on an AP in the wireless network, which is a radio frequency unit 1 and a radio frequency unit 2 respectively.
The access policy configured on the radio frequency unit 1 is to allow wireless terminals supporting 802.11ax or 802.11ac wave2 to access and to allow wireless terminals supporting 802.11ac wave1 and supporting a number of space flows not less than 2 to access.
The access policy configured on the radio frequency unit 2 is to allow access to wireless terminals supporting only 802.11n and to allow access to wireless terminals supporting 802.11ac waves 1 and supporting less than 2 spatial streams.
Assume that wireless terminal 1 supports 802.11ac wave1 and that the number of supported spatial streams is 1.
Assume that the wireless terminal 1 polls a certain channel supported by the radio frequency unit 1 at a certain moment, and broadcasts a probe request message carrying an access capability parameter on the channel. The access capability parameter includes that the wireless terminal 1 supports 802.11ac waves 1 and the supported space flow number is 1, and is located in an IE field in the probe request message.
The AP receives the probe request message through the radio frequency unit 1, and obtains the access capability parameter from the IE field in the probe request message.
The AP may determine, according to the access policy configured by the radio frequency unit 1, that the wireless terminal 1 is not allowed to access the radio frequency unit 1, and at this time, the AP refuses to respond to the probe request message.
When the local timer has not yet received the probe response message after the local timer has expired, the wireless terminal 1 continues to poll the next channel.
It is assumed that the subsequent polling is performed on a certain channel supported by the radio frequency unit 2, and a probe request message carrying the access capability parameter is broadcast on this channel.
The AP receives the probe request message through the radio frequency unit 2, and obtains the access capability parameter from the IE field in the probe request message.
The AP may determine, according to the access policy configured by the radio frequency unit 2, that the wireless terminal 1 is allowed to access to the radio frequency unit 2, and at this time, the AP sends a probe response packet to the wireless terminal 1 through the radio frequency unit 2, so that the wireless terminal 1 accesses to the radio frequency unit 2.
According to the technical scheme, in the embodiment of the application, when the AP receives the detection request message from the wireless terminal through one radio frequency unit supporting the 5GHz frequency band, the AP acquires the access capability parameter of the wireless terminal, and comprehensively decides whether to allow access according to the acquired access capability parameter and the access strategy of the radio frequency unit. In the access mode, the AP can classify the wireless terminals according to the wireless access capability of the wireless terminals, and guide the wireless terminals to be differentially accessed to different radio frequency units supporting the 5GHz frequency band, so that the hardware resources of the AP are reasonably utilized, and the user experience of holding users of the wireless terminals is improved.
Based on the same inventive concept, the application also provides an access device, which is applied to an AP, and the structure schematic diagram of the access device is shown in fig. 2, and specifically includes:
an obtaining module 21, configured to obtain, when a probe request packet broadcast by a wireless terminal is received through a radio frequency unit, an access capability parameter of the wireless terminal from the probe request packet; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP;
a judging module 22, configured to judge whether to allow the wireless terminal to access to the radio frequency unit according to an access policy and the access capability parameter configured on the radio frequency unit;
and the sending module 23 is configured to send, when the determination result of the determining module 22 is yes, a detection response packet to the wireless terminal through the radio frequency unit, so that the wireless terminal is connected to the radio frequency unit.
Preferably, the apparatus further comprises:
a rejecting module (not shown in fig. 2) for rejecting to respond to the probe request message when the judging result of the judging module 22 is no.
Preferably, the above-mentioned acquisition module is specifically configured to:
and acquiring the access capability parameter of the wireless terminal from an Information Element (IE) field in the detection request message.
Preferably, the access policy is to allow wireless terminals supporting 802.11ax or 802.11acwave2 to access and allow wireless terminals supporting 802.11ac wave1 to access, and the number of supported space flows is not less than a set threshold;
the above-mentioned judging module 22 is specifically configured to:
if the access capability parameter comprises that the wireless terminal supports 802.11ax or 802.11ac wave2, determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter includes that the wireless terminal only supports 802.11n; determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is not smaller than the set threshold value; determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is smaller than the set threshold value; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy.
Preferably, the access policy is to allow wireless terminals supporting only 802.11n to access and to allow wireless terminals supporting 802.11ac wave1 and supporting a space flow number smaller than a set threshold;
the above-mentioned judging module 22 is specifically configured to:
if the access capability parameter comprises that the wireless terminal supports 802.11ax or 802.11ac wave2, determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter includes that the wireless terminal only supports 802.11n; determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is smaller than the set threshold value; determining that the judging result is that the wireless terminal is allowed to be accessed to the radio frequency unit;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the number of space flows supported by the wireless terminal is not smaller than the set threshold; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the determination result.
According to the technical scheme, in the embodiment of the application, when the AP receives the detection request message from the wireless terminal through one radio frequency unit supporting the 5GHz frequency band, the AP acquires the access capability parameter of the wireless terminal, and comprehensively decides whether to allow access according to the acquired access capability parameter and the access strategy of the radio frequency unit. In the access mode, the AP can classify the wireless terminals according to the wireless access capability of the wireless terminals, and guide the wireless terminals to be differentially accessed to different radio frequency units supporting the 5GHz frequency band, so that the hardware resources of the AP are reasonably utilized, and the user experience of holding users of the wireless terminals is improved.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the application.
Claims (6)
1. An access method, wherein the method is applied to an access point AP, the method comprising:
when a detection request message broadcast by a wireless terminal is received through a radio frequency unit, acquiring an access capability parameter of the wireless terminal from the detection request message; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP;
judging whether the wireless terminal is allowed to be accessed to the radio frequency unit or not according to an access strategy and the access capability parameter configured on the radio frequency unit;
when the judgment result is yes, sending a detection response message to the wireless terminal through the radio frequency unit so that the wireless terminal is accessed to the radio frequency unit;
the access policy is to allow the wireless terminal supporting 802.11ax or 802.11ac wave2 to access and allow the wireless terminal supporting 802.11ac wave1 to access, wherein the number of supported space flows is not less than a set threshold;
judging whether the wireless terminal is allowed to be accessed to the radio frequency unit or not according to an access strategy and the access capability parameter configured on the radio frequency unit, wherein the judging comprises the following steps:
if the access capability parameter comprises that the wireless terminal supports 802.11ax or 802.11ac wave2, determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter includes that the wireless terminal only supports 802.11n; determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is not smaller than the set threshold value; determining that the judging result is that the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy, if the access capability parameter comprises that the wireless terminal supports 802.11ac wave1 and the supported space flow number is smaller than the set threshold value; determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy; or alternatively, the process may be performed,
the access policy is to allow wireless terminals supporting 802.11n only to access and to allow wireless terminals supporting 802.11ac wave1 and supporting space flow numbers smaller than a set threshold;
judging whether the wireless terminal is allowed to be accessed to the radio frequency unit or not according to an access strategy and the access capability parameter configured on the radio frequency unit, wherein the judging comprises the following steps:
if the access capability parameter comprises that the wireless terminal supports 802.11ax or 802.11ac wave2, determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter includes that the wireless terminal only supports 802.11n; determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is smaller than the set threshold value; determining that the judging result is that the wireless terminal is allowed to be accessed to the radio frequency unit;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the number of space flows supported by the wireless terminal is not smaller than the set threshold; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the determination result.
2. The method according to claim 1, wherein the method further comprises:
and refusing to respond to the detection request message when the judgment result is negative.
3. The method according to claim 1, wherein obtaining the access capability parameter of the wireless terminal from the probe request message specifically comprises:
and acquiring the access capability parameter of the wireless terminal from an Information Element (IE) field in the detection request message.
4. An access device, the device being applied to an access point AP, the device comprising:
the acquisition module is used for acquiring access capability parameters of the wireless terminal from a detection request message when the detection request message broadcast by the wireless terminal is received through the radio frequency unit; the radio frequency unit is one of a plurality of radio frequency units supporting a 5GHz frequency band on the AP;
the judging module is used for judging whether the wireless terminal is allowed to be accessed to the radio frequency unit according to the access strategy and the access capability parameter configured on the radio frequency unit;
the sending module is used for sending a detection response message to the wireless terminal through the radio frequency unit when the judging result of the judging module is yes, so that the wireless terminal is accessed to the radio frequency unit;
the access policy is to allow the wireless terminal supporting 802.11ax or 802.11ac wave2 to access and allow the wireless terminal supporting 802.11ac wave1 to access, wherein the number of supported space flows is not less than a set threshold;
the judging module is specifically configured to:
if the access capability parameter comprises that the wireless terminal supports 802.11ax or 802.11ac wave2, determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter includes that the wireless terminal only supports 802.11n; determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is not smaller than the set threshold value; determining a judgment result to allow the wireless terminal to be accessed to the radio frequency unit according to the access strategy;
if the access capability parameter comprises that the wireless terminal supports 802.11ac waves 1 and the supported space flow number is smaller than the set threshold value; and determining that the wireless terminal is not allowed to be accessed to the radio frequency unit according to the access strategy.
5. The apparatus of claim 4, wherein the apparatus further comprises:
and the rejecting module is used for rejecting to respond to the detection request message when the judging result of the judging module is negative.
6. The apparatus of claim 4, wherein the obtaining module is specifically configured to:
and acquiring the access capability parameter of the wireless terminal from an Information Element (IE) field in the detection request message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599103.XA CN111867131B (en) | 2020-06-28 | 2020-06-28 | Access method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599103.XA CN111867131B (en) | 2020-06-28 | 2020-06-28 | Access method and device |
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| CN111867131A CN111867131A (en) | 2020-10-30 |
| CN111867131B true CN111867131B (en) | 2023-10-20 |
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| CN202010599103.XA Active CN111867131B (en) | 2020-06-28 | 2020-06-28 | Access method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114980265A (en) * | 2021-02-25 | 2022-08-30 | 华为技术有限公司 | Terminal access method, control equipment and computer readable storage medium |
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| CN111867131A (en) | 2020-10-30 |
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