CN118474819A - Terminal intelligent switching system and method based on wireless network - Google Patents
Terminal intelligent switching system and method based on wireless network Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/165—Performing reselection for specific purposes for reducing network power consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
- H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W48/20—Selecting an access point
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Abstract
The invention discloses a terminal intelligent switching system and method based on a wireless network, and relates to the technical field of wireless communication. Comprising the following steps: network equipment and terminal equipment; the network equipment comprises a wide area network interface and a plurality of wireless access points, each wireless access point comprises a network distance calculation module, and the terminal equipment comprises a switching decision module; the terminal equipment sends a networking request to the network equipment, and a wireless communication connection is established between a wireless access point of the network equipment and the terminal equipment to provide networking service for the terminal equipment; the network distance calculation module is used for calculating the network distance from the wireless access point to the wide area network interface in real time, and the switching decision module selects the optimal wireless access point for switching connection in real time according to the network distance calculation result of the network distance calculation module. The system and the method provided by the invention can enable the terminal equipment to be connected to the optimal wireless access point, thereby ensuring the overall performance of the network.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a system and a method for intelligent terminal switching based on a wireless network.
Background
A WiFi terminal device is any device connected to a wireless network, such as a smart phone, tablet, notebook, smart home device, smart television, etc. These devices use WiFi connectivity to send and receive data, such as browsing the internet, watching video streams, sending email, and so on.
Conventional WiFi terminal devices, typically prior to 802.11k (radio resource measurement of wireless local area networks), typically connect to only the wireless Access Point (AP) transmitting the strongest signal; 802.11 k-enabled terminal devices, when seeking roaming points, request neighbor information reporting (neighbor Report) from their current wireless Access Point (AP), which provides the terminal device with a large amount of additional Radio Frequency (RF) information that the terminal device will use to make better roaming selections.
However, when the terminal device (STA) accesses the network through the conventional method, the network distance between the wireless Access Point (AP) to which the terminal device is currently connected and the wide area network interface cannot be known, which may cause the wireless Access Point (AP) to which the terminal device is connected to be not optimal, thereby affecting the overall performance of the network.
Disclosure of Invention
In order to solve the problem that when the existing terminal equipment is accessed to a network, the terminal equipment cannot determine whether the currently connected wireless access point is the optimal wireless access point or not, so that the overall performance of the network is possibly affected.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a wireless network-based terminal intelligent switching system, the system comprising: network equipment and terminal equipment;
The network equipment comprises a wide area network interface and a plurality of wireless access points, each wireless access point comprises a network distance calculation module, and the terminal equipment comprises a switching decision module;
the terminal equipment sends a networking request to the network equipment, and a wireless communication connection is established between a wireless access point of the network equipment and the terminal equipment to provide networking service for the terminal equipment;
the network distance calculation module is used for calculating the network distance from the wireless access point to the wide area network interface in real time, and the switching decision module selects the optimal wireless access point for switching connection in real time according to the network distance calculation result of the network distance calculation module.
In the above technical solution, the network distance calculation module calculates the network distance from the wireless access point to the wide area network interface in real time, and sends the calculated network distance result to the wireless connected terminal device in real time, the switching policy module on the terminal device receives the network distance information of each wireless access point in real time, and selects the optimal wireless access point for switching connection, calculates the network distance from the wireless access point to the wide area network interface in real time, and transmits the calculation result to the terminal device in real time, so that the terminal device can be connected to the optimal wireless access point, thereby ensuring the overall performance of the network.
Preferably, a mesh network topology structure is established among a plurality of wireless access points, and network distance information collecting capability exchange and link information collection are carried out among the plurality of wireless access points through the mesh network topology structure.
Preferably, in the mesh network topology structure, each wireless access point acquires network distance information of a previous level wireless access point step by step, and calculates a network distance from itself to the previous level, so as to update the network distance information of itself in real time.
In the technical scheme, the plurality of wireless access points are constructed into the mesh network topology structure, so that network distance information collecting capability exchange and link information collection can be carried out among the plurality of wireless access points through the mesh network topology structure, the network distance information of the wireless access points is updated in real time, and further, the terminal equipment is ensured to be connected to the optimal wireless access point, and the overall performance of the network is ensured.
Preferably, each wireless access point further comprises a frame information adding module, and the terminal device further comprises a frame information analyzing module;
The frame information adding module is used for receiving a calculation result of the network distance, sending specific frame information to the terminal equipment according to the calculation result of the network distance, the frame information analyzing module is used for analyzing the specific frame information and transmitting the analysis result to the switching decision module, and the switching decision module selects an optimal wireless access point to switch and connect according to the analysis result;
Wherein the specific frame information includes beacon frame and probe frame information.
Preferably, the frame information adding module adds a calculation result of a network distance to specific frame information sent to the terminal device, the frame information analyzing module analyzes the specific frame information and extracts the calculation result of the network distance, an access point switching threshold is set in the switching decision module, and the switching decision module selects an optimal wireless access point for switching connection according to the calculation result of the network distance and in combination with the access point switching threshold;
the evaluation criteria of the access point switching threshold value comprise network distance, signal strength of a wireless access point and channel utilization rate.
Preferably, the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, when the network distance of the connected wireless access point is smaller than the access point switching threshold, the switching decision module initiates a request for acquiring network distance information from other wireless access points through the currently connected wireless access point, and the switching decision module selects the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection according to the acquired network distance information and the access point switching threshold.
Preferably, the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, and when the network distance of the connected wireless access point is smaller than the access point switching threshold value, the switching decision module actively acquires the network distance information of the other wireless access points, and selects the wireless access point corresponding to the maximum access point switching threshold value to establish wireless communication connection in combination with the access point switching threshold value.
In the technical scheme, the frame information adding module and the frame information analyzing module are arranged, so that the network equipment can provide more secret and safer networking service for the terminal equipment, and meanwhile, the characteristics of network distance information are extracted through information transmission and analysis between the frame information adding module and the frame information analyzing module, and the terminal equipment can be effectively ensured to be connected to an optimal wireless access point, so that the overall performance of the network is ensured.
A terminal intelligent switching method based on a wireless network, the method being applied to a terminal intelligent switching system based on a wireless network, the method comprising the steps of:
the method comprises the steps that terminal equipment sends a networking request to network equipment, and a wireless access point of the network equipment and the terminal equipment establish wireless communication connection to provide networking service for the terminal equipment;
Calculating the network distance from the wireless access point to the wide area network interface in real time by using a network distance calculation module, and transmitting the calculation result of the network distance to a switching strategy module;
And selecting an optimal wireless access point to switch and connect according to the network distance calculation result of the network distance calculation module in real time by utilizing a switching decision module.
In the above technical solution, the network distance calculation module calculates the network distance from the wireless access point to the wide area network interface in real time, and sends the calculated network distance result to the wireless connected terminal device in real time, the switching policy module on the terminal device receives the network distance information of each wireless access point in real time, and selects the optimal wireless access point for switching connection, calculates the network distance from the wireless access point to the wide area network interface in real time, and transmits the calculation result to the terminal device in real time, so that the terminal device can be connected to the optimal wireless access point, thereby ensuring the overall performance of the network.
Further, the process of selecting the optimal wireless access point for handover attachment includes:
adding network distance information to specific frame information sent to terminal equipment by utilizing a frame information adding module, and transmitting the specific frame information to a frame information analyzing module;
analyzing the specific frame information by utilizing a frame information analysis module, and extracting network distance information corresponding to the wireless access point from the specific frame information;
and selecting an optimal wireless access point to switch and connect by utilizing a switching strategy module according to the extracted network distance information corresponding to the wireless access point.
Further, according to the extracted network distance information corresponding to the wireless access point, the process of selecting the optimal wireless access point to perform switching connection by using the switching strategy module includes:
Setting an access point switching threshold in the switching strategy module, detecting the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time by utilizing the switching decision module, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, actively acquiring the network distance information of the other wireless access points by utilizing the switching decision module, and combining the access point switching threshold, selecting the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection.
Compared with the prior art, the invention has the beneficial effects that:
The invention provides a terminal intelligent switching system and method based on a wireless network, firstly, the terminal equipment sends a networking request to the network equipment, a wireless access point of the network equipment and the terminal equipment establish wireless communication connection, and networking service is provided for the terminal equipment; the network distance calculation module calculates the network distance from the wireless access point to the wide area network interface in real time, and sends the calculated network distance result to the wireless connected terminal equipment in real time, the switching strategy module on the terminal equipment receives the network distance information of each wireless access point in real time, and selects the optimal wireless access point for switching connection, calculates the network distance from the wireless access point to the wide area network interface in real time, and transmits the calculation result to the terminal equipment in real time, so that the terminal equipment can be connected to the optimal wireless access point, and the overall performance of the network is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a terminal intelligent switching system based on a wireless network according to an embodiment of the present application;
fig. 2 is a schematic diagram of a switching connection between a terminal device and a wireless access point according to an embodiment of the present application;
Fig. 3 is a schematic diagram of wireless communication connection between a terminal device and a network device according to an embodiment of the present application;
Fig. 4 is a flowchart of a terminal intelligent switching method based on a wireless network according to an embodiment of the present application.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
the present embodiment provides a terminal intelligent switching system based on a wireless network, referring to fig. 1, the system includes: network equipment and terminal equipment;
The network equipment comprises a wide area network interface and a plurality of wireless access points, each wireless access point comprises a network distance calculation module, and the terminal equipment comprises a switching decision module;
the terminal equipment sends a networking request to the network equipment, and a wireless communication connection is established between a wireless access point of the network equipment and the terminal equipment to provide networking service for the terminal equipment;
the network distance calculation module is used for calculating the network distance from the wireless access point to the wide area network interface in real time, and the switching decision module selects the optimal wireless access point for switching connection in real time according to the network distance calculation result of the network distance calculation module.
As a preferred embodiment, a mesh network topology structure is established among a plurality of wireless access points, and network distance information collecting capability exchange and link information collection are performed among the plurality of wireless access points through the mesh network topology structure.
As a preferred embodiment, in the mesh network topology structure, each wireless access point acquires network distance information of a previous level wireless access point step by step, and calculates a network distance from itself to a previous level, so as to update the network distance information of itself in real time.
It can be understood that the plurality of wireless access points are constructed into the mesh network topology structure, so that the network distance information collecting capability exchange and the link information collection can be performed between the plurality of wireless access points through the mesh network topology structure, thereby updating the network distance information of the wireless access points in real time, further ensuring that the terminal equipment is connected to the optimal wireless access point, and further ensuring the overall performance of the network.
For example, referring to fig. 2, when a mesh network is established between a Multi-AP Controller (wireless access point manager) and a Multi-AP Agent1 (wireless access point initially connected to a terminal device) and between other wireless access points, each wireless Access Point (AP) acquires network distance information of a mesh access point of a previous stage step by step when a mesh network topology is generated, and updates own network distance information by calculating information from itself to the previous stage.
In this embodiment, the network distance calculation module calculates the network distance from the wireless access point to the wide area network interface in real time, and sends the calculated network distance result to the wireless connected terminal device in real time, the switching policy module on the terminal device receives the network distance information of each wireless access point in real time, and selects the optimal wireless access point for switching connection, and calculates the network distance from the wireless access point to the wide area network interface in real time, and transmits the calculation result to the terminal device in real time, so that the terminal device can be connected to the optimal wireless access point, thereby ensuring the overall performance of the network.
Embodiment two:
the present embodiment is further described with respect to the wireless network-based terminal intelligent switching system in the first embodiment, and specifically includes the following steps:
as a preferred embodiment, referring to fig. 1, each wireless access point further includes a frame information adding module, and the terminal device further includes a frame information parsing module;
The frame information adding module is used for receiving a calculation result of the network distance, sending specific frame information to the terminal equipment according to the calculation result of the network distance, the frame information analyzing module is used for analyzing the specific frame information and transmitting the analysis result to the switching decision module, and the switching decision module selects an optimal wireless access point to switch and connect according to the analysis result;
Wherein the specific frame information includes beacon frame and probe frame information.
As a preferred embodiment, the frame information adding module adds a calculation result of a network distance to specific frame information sent to the terminal device, the frame information analyzing module analyzes the specific frame information and extracts the calculation result of the network distance, an access point switching threshold is set in the switching decision module, and the switching decision module selects an optimal wireless access point for switching connection according to the calculation result of the network distance and in combination with the access point switching threshold;
the evaluation criteria of the access point switching threshold value comprise network distance, signal strength of a wireless access point and channel utilization rate.
As a preferred embodiment, the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, when the network distance of the connected wireless access point is smaller than the access point switching threshold, the switching decision module initiates a request for acquiring network distance information to other wireless access points through the currently connected wireless access point, and the switching decision module selects the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection according to the acquired network distance information and the access point switching threshold.
As a preferred embodiment, the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, the switching decision module actively acquires the network distance information of the other wireless access points, and selects the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection in combination with the access point switching threshold.
For example, referring to fig. 2, in the mesh network topology structure, adding network distance information obtained by the AP (wireless access point) through real-time calculation by the network distance calculation module into the beacon frame and the probe frame information of the AP sent by the frame information addition module, analyzing the beacon frame and the probe frame information of each AP by using the frame information analysis module, extracting network distance information corresponding to the wireless access points from the beacon frame and the probe frame information, and then transmitting the extracted network distance information of each wireless access point to the switching policy module, wherein the switching policy module determines the network distance of each wireless access point according to a preset access point switching threshold value, and selects an optimal wireless access point for switching connection;
the evaluation of the switching threshold value of the access point comprises network distance, signal intensity of the wireless access point and channel utilization rate, so that the wireless access point with the maximum minimum bandwidth, the minimum time delay and the optimal comprehensive link is found out and connected.
When the terminal equipment moves or a new wireless Access Point (AP) joins a surrounding network or the surrounding network condition of the terminal equipment changes due to the change of a mesh network topological structure and the like, the terminal equipment can access the new wireless Access Point (AP) by requesting network distance information of the surrounding wireless Access Point (AP) from the wireless Access Point (AP) and combining an access point switching threshold value;
In addition, the terminal device can autonomously scan and analyze network distance information of surrounding wireless Access Points (APs), and judge whether to switch to other more suitable wireless Access Points (APs) according to the analyzed network distance information and an access point switching threshold of the terminal device, so as to obtain good network access experience.
The adding mode of the network distance information comprises the following steps:
1. Adding information representing the specific information in Beacon, probe (probe) frames:
Tag Number may be chosen in general: vendor Specific (221), usually referred to as an information element (Information Element, IE), which allows vendors to add custom data in their products; each piece of network distance information can be allocated with one piece of sub-information Tag; the single information may be directly represented using one value; the uplink and downlink information (LINK METRICS) of each node of the mesh network topology structure and the like need to be represented, the node information in the links can be compactly placed in a list mode, and calculation and transmission are convenient.
2. The wireless Access Point (AP) can also choose not to add network distance information in Beacon (Beacon) and probe (probe) frames for saving energy and power; the terminal equipment can actively request network distance information of other nodes in the network from a wireless Access Point (AP) when needed; the wireless Access Point (AP) directly connected to the terminal device may request respective network distance information from other wireless access points in a multicast or broadcast manner; and acquiring the related information and forwarding the acquired related information to the terminal equipment. (in addition, here, the wireless Access Point (AP) directly connected to the terminal device may also select to initiate a network distance information request of the surrounding wireless Access Points (APs) to the Controller, and the Controller collects information and sends the information to the wireless Access Point (AP) directly connected to the terminal device, so that the terminal device can obtain the network distance information of the surrounding wireless Access Points (APs).
With reference to fig. 3, in the above manner, the network to which the terminal device is connected can ensure that the overall performance of the network is improved in the case that the signal is insufficient to cover all places.
In this embodiment, the frame information adding module and the frame information analyzing module are provided, so that the network device can provide a more secret and safer networking service for the terminal device, and meanwhile, the characteristics of network distance information are extracted through information transfer and analysis between the frame information adding module and the frame information analyzing module, so that the terminal device can be effectively ensured to be connected to an optimal wireless access point, and the overall performance of the network is ensured.
Embodiment III:
The embodiment provides a terminal intelligent switching method based on a wireless network, which is applied to a terminal intelligent switching system based on the wireless network, and referring to fig. 4, the method comprises the following steps:
S1: the method comprises the steps that terminal equipment sends a networking request to network equipment, and a wireless access point of the network equipment and the terminal equipment establish wireless communication connection to provide networking service for the terminal equipment;
S2: calculating the network distance from the wireless access point to the wide area network interface in real time by using a network distance calculation module, and transmitting the calculation result of the network distance to a switching strategy module;
s3: and selecting an optimal wireless access point to switch and connect according to the network distance calculation result of the network distance calculation module in real time by utilizing a switching decision module.
In some embodiments, selecting an optimal wireless access point for handoff coupling includes:
adding network distance information to specific frame information sent to terminal equipment by utilizing a frame information adding module, and transmitting the specific frame information to a frame information analyzing module;
analyzing the specific frame information by utilizing a frame information analysis module, and extracting network distance information corresponding to the wireless access point from the specific frame information;
and selecting an optimal wireless access point to switch and connect by utilizing a switching strategy module according to the extracted network distance information corresponding to the wireless access point.
In some embodiments, the process of selecting the optimal wireless access point for handover connection by using the handover policy module according to the extracted network distance information corresponding to the wireless access point includes:
Setting an access point switching threshold in the switching strategy module, detecting the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time by utilizing the switching decision module, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, actively acquiring the network distance information of the other wireless access points by utilizing the switching decision module, and combining the access point switching threshold, selecting the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection.
In this embodiment, the network distance calculation module calculates the network distance from the wireless access point to the wide area network interface in real time, and sends the calculated network distance result to the wireless connected terminal device in real time, the switching policy module on the terminal device receives the network distance information of each wireless access point in real time, and selects the optimal wireless access point for switching connection, and calculates the network distance from the wireless access point to the wide area network interface in real time, and transmits the calculation result to the terminal device in real time, so that the terminal device can be connected to the optimal wireless access point, thereby ensuring the overall performance of the network.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. A wireless network-based terminal intelligent switching system, the system comprising: network equipment and terminal equipment;
The network equipment comprises a wide area network interface and a plurality of wireless access points, each wireless access point comprises a network distance calculation module, and the terminal equipment comprises a switching decision module;
the terminal equipment sends a networking request to the network equipment, and a wireless communication connection is established between a wireless access point of the network equipment and the terminal equipment to provide networking service for the terminal equipment;
the network distance calculation module is used for calculating the network distance from the wireless access point to the wide area network interface in real time, and the switching decision module selects the optimal wireless access point for switching connection in real time according to the network distance calculation result of the network distance calculation module.
2. The intelligent terminal switching system based on the wireless network according to claim 1, wherein a mesh network topology structure is established among a plurality of wireless access points, and network distance information collecting capability exchange and link information collection are performed among the plurality of wireless access points through the mesh network topology structure.
3. The intelligent terminal switching system based on wireless network according to claim 2, wherein in the mesh network topology, each wireless access point acquires network distance information of a previous level wireless access point step by step, and calculates a network distance from itself to a previous level, so as to update its network distance information in real time.
4. The intelligent terminal switching system based on wireless network according to claim 1, wherein each of the wireless access points further comprises a frame information adding module, and the terminal device further comprises a frame information parsing module;
The frame information adding module is used for receiving a calculation result of the network distance, sending specific frame information to the terminal equipment according to the calculation result of the network distance, the frame information analyzing module is used for analyzing the specific frame information and transmitting the analysis result to the switching decision module, and the switching decision module selects an optimal wireless access point to switch and connect according to the analysis result;
Wherein the specific frame information includes beacon frame and probe frame information.
5. The intelligent switching system of a terminal based on a wireless network according to claim 4, wherein the frame information adding module adds a calculation result of a network distance to specific frame information sent to a terminal device, the frame information analyzing module analyzes the specific frame information and extracts the calculation result of the network distance, an access point switching threshold is set in the switching decision module, and the switching decision module selects an optimal wireless access point for switching connection according to the calculation result of the network distance and in combination with the access point switching threshold;
the evaluation criteria of the access point switching threshold value comprise network distance, signal strength of a wireless access point and channel utilization rate.
6. The intelligent switching system of a terminal based on a wireless network according to claim 5, wherein the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, the switching decision module initiates a request for acquiring network distance information from other wireless access points through the currently connected wireless access point, and the switching decision module selects the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection according to the acquired network distance information and the access point switching threshold.
7. The intelligent terminal switching system based on wireless network according to claim 5, wherein the switching decision module detects the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, the switching decision module actively acquires the network distance information of the other wireless access points, and selects the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection in combination with the access point switching threshold.
8. A method for intelligent handover of a terminal based on a wireless network, the method being applied to the system according to any one of claims 1-7, the method comprising the steps of:
the method comprises the steps that terminal equipment sends a networking request to network equipment, and a wireless access point of the network equipment and the terminal equipment establish wireless communication connection to provide networking service for the terminal equipment;
Calculating the network distance from the wireless access point to the wide area network interface in real time by using a network distance calculation module, and transmitting the calculation result of the network distance to a switching strategy module;
And selecting an optimal wireless access point to switch and connect according to the network distance calculation result of the network distance calculation module in real time by utilizing a switching decision module.
9. The intelligent terminal switching method based on wireless network according to claim 8, wherein the process of selecting an optimal wireless access point for switching connection comprises:
adding network distance information to specific frame information sent to terminal equipment by utilizing a frame information adding module, and transmitting the specific frame information to a frame information analyzing module;
analyzing the specific frame information by utilizing a frame information analysis module, and extracting network distance information corresponding to the wireless access point from the specific frame information;
and selecting an optimal wireless access point to switch and connect by utilizing a switching strategy module according to the extracted network distance information corresponding to the wireless access point.
10. The intelligent terminal switching method based on wireless network according to claim 9, wherein the process of selecting the optimal wireless access point for switching connection by using the switching policy module according to the extracted network distance information corresponding to the wireless access point comprises:
Setting an access point switching threshold in the switching strategy module, detecting the network distance of the currently connected wireless access point and the network distances of other wireless access points in real time by utilizing the switching decision module, and when the network distance of the connected wireless access point is smaller than the access point switching threshold, actively acquiring the network distance information of the other wireless access points by utilizing the switching decision module, and combining the access point switching threshold, selecting the wireless access point corresponding to the maximum access point switching threshold to establish wireless communication connection.
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| CN1430340A (en) * | 2001-12-29 | 2003-07-16 | 联想(北京)有限公司 | Radio communication system combining with long and short distance technology and its realizing method |
| US20070110035A1 (en) * | 2005-11-14 | 2007-05-17 | Broadcom Corporation, A California Corporation | Network nodes cooperatively routing traffic flow amongst wired and wireless networks |
| CN108353287A (en) * | 2015-11-03 | 2018-07-31 | 华为技术有限公司 | Load rebalancing system and method |
| CN109495194A (en) * | 2017-09-12 | 2019-03-19 | 交互数字Ce专利控股公司 | The device and method of signal strength estimation in the wireless network of multiple access points |
| CN110392406A (en) * | 2018-04-20 | 2019-10-29 | 上海诺基亚贝尔股份有限公司 | Method, apparatus and computer readable medium for handover in a communication system |
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