WO2019015040A1

WO2019015040A1 - Signal strength based frequency point selection method and internet of things terminal

Info

Publication number: WO2019015040A1
Application number: PCT/CN2017/100769
Authority: WO
Inventors: 杜光东
Original assignee: 深圳市盛路物联通讯技术有限公司
Priority date: 2017-07-21
Filing date: 2017-09-06
Publication date: 2019-01-24
Also published as: CN107404752A

Abstract

Disclosed in the present application are a signal strength based frequency point selection method and an Internet of Things terminal, the method comprising: the Internet of Things terminal sending test request signals to N Internet of Things access points, and receiving test response signals sent by the N Internet of Things access points in response to the test request signals; the Internet of Things terminal determining the signal strength of each Internet of Things access point according to signal strength indication information in the received test response signals; and if it is detected that the N signal strengths corresponding to the N Internet of Things access points are all less than a preset threshold, the Internet of Things terminal determining the working frequency point of the Internet of Things access point having the maximum signal strength to be the working frequency point of the Internet of Things terminal. The embodiments of the present invention help to improve the convenience and accuracy of an Internet of Things terminal selecting a working frequency point.

Description

Frequency point selection method based on signal strength and Internet of Things terminal

Technical field

The present application relates to the field of communications, and in particular, to a frequency point selection method based on signal strength and an Internet of Things terminal.

Background technique

Internet of Things applications mainly consist of IoT terminals and IoT access points, which collect data through IoT terminals and transmit data through IoT access points.

The Internet of Things has two meanings: First, the core and foundation of the Internet of Things is still the Internet, which is an extended and expanded network based on the Internet. Second, its client extends and extends between any item and item. Information exchange and communication, that is, things and interests. The Internet of Things is widely used in the convergence of networks through communication-aware technologies such as intelligent sensing, identification technology and pervasive computing. It is also called the third wave of the development of the world information industry after computers and the Internet. The Internet of Things is the application expansion of the Internet. It is not so much that the Internet of Things is a network, but the Internet of Things is a business and application. Therefore, application innovation is the core of the development of the Internet of Things. Innovation 2.0 with user experience as the core is the soul of the development of the Internet of Things.

At present, the working frequency of the IoT terminal in the related art is generally directly allocated by the Internet of Things access point, and the working frequency of the Internet of Things terminal does not change actively.

Summary of the invention

The present application provides a frequency point selection method based on signal strength, which determines the working frequency of the Internet of Things terminal by detecting the signal strength of the IoT access point in the current area of the Internet of Things terminal, and is beneficial to improving the Internet of Things. The terminal selects the convenience and accuracy of the working frequency.

In a first aspect, an embodiment of the present invention provides a frequency point selection method based on signal strength, where the method includes the following steps:

The Internet of Things terminal sends a test request signal to the N IoT access points, and receives a test response signal sent by the N Internet of Things access points in response to the test request signal, the N Internet of Things The signal coverage of the access point includes the area where the IoT terminal is located, and N is an integer greater than one;

The IoT terminal determines the signal strength of each IoT access point according to the received signal strength indication information in the test response signal;

If the N-th signal strength corresponding to the N Internet of Things access points is less than a preset threshold, determining that the working frequency of the Internet of Things access point with the highest signal strength is the Internet of Things terminal The frequency of work.

It can be seen that, in the existing related solution, the working frequency of the Internet of Things terminal is generally directly allocated by the Internet of Things access point. In the embodiment of the present invention, the IoT terminal first detects the signal coverage including the Internet of Things terminal. N IoT access points in the current area, send test request signals to N IoT access points, and receive test response signals sent by N IoT access points in response to test request signals, and then received according to the received The signal strength indication information in the test response signal determines the signal strength of each IoT access point. If it is detected that the N signal strengths corresponding to the N IoT access points are less than a preset threshold, the object with the highest signal strength is determined. The working frequency of the networked access point is the working frequency of the Internet of Things terminal. It can be seen that the IoT terminal can detect the signal strength of each IoT access point and determine the working frequency of the IoT access point with the highest signal strength as the working frequency of the IoT terminal, which is beneficial to enhance the selection of the IoT terminal. The convenience and accuracy of the frequency.

In a possible design, after determining that the working frequency of the IoT access point with the highest signal strength is the operating frequency of the Internet of Things terminal, the method further includes:

The Internet of Things terminal sends a data packet to the Internet of Things access point at the determined working frequency point, the data packet is encrypted by the Internet of Things access point, and the encrypted data packet is sent to Wireless access controller.

In one possible design, the method further includes:

And if the MSO terminal detects that the M signal strengths of the N signal strengths corresponding to the N Internet of Things access points are greater than or equal to the preset threshold, the M corresponding to the M signal strengths The IoT access point sends a terminal access quantity request message, where M is a positive integer less than N;

Receiving, by the Internet of Things terminal, the number of M terminal accesses sent by the M Internet of Things access points;

The working frequency point of the Internet of Things (IoT) terminal that determines the minimum number of terminal accesses is the working frequency of the Internet of Things terminal.

It can be seen that, in a possible design of the present invention, the IoT terminal can further determine the actual terminal access of each IoT access point when detecting that there are M signal strengths greater than or equal to the preset threshold value among the N signal strengths. The number, the working frequency of the IoT access point that determines the minimum number of terminal accesses is the working frequency of the IoT terminal, so that it is beneficial to ensure that the IoT access point accessed by the IoT terminal has sufficient resources to complete the IoT terminal. The data forwarding task enhances the intelligence of the IoT terminal to select the working frequency.

In this possible design, after the IoT terminal determines that the working frequency of the IoT access point with the least number of terminal accesses is the working frequency of the IoT terminal, the method further includes:

The IoT terminal sends a networking request signal to the Internet of Things access point at the determined working frequency point, where the networking request signal is used to indicate that the Internet of Things access point is registered in the current wireless ad hoc network. The Internet of Things terminal;

The Internet of Things terminal receives the networking response signal sent by the Internet of Things access point.

If the signal loss of the IoT access point with the determined maximum signal strength is detected, the coverage of the detection signal includes the Internet of Things repeater of the current area;

The Internet of Things terminal determines that the working frequency of the Internet of Things relay is the operating frequency of the Internet of Things terminal.

In a second aspect, an embodiment of the present invention provides an Internet of Things terminal, including a processing unit and a communication unit.

The processing unit is configured to send a test request signal to the N Internet of Things access points, and receive a test response signal sent by the N Internet of Things access points in response to the test request signal, where the N Internet of Things The signal coverage of the access point includes the area where the IoT terminal is located, and N is an integer greater than one;

And determining, according to the received signal strength indication information in the test response signal, a signal strength of each IoT access point;

And if it is detected that the N signal strengths corresponding to the N Internet of Things access points are less than a preset threshold, determining an operating frequency of the Internet of Things access point with the highest signal strength is the Internet of Things terminal Working frequency.

In a possible design, the processing unit determines that the working frequency of the IoT access point with the highest signal strength is the working frequency of the IoT terminal, and is further used to determine the working frequency point. The IoT access point sends a data packet, the data packet is encrypted by the IoT access point, and the encrypted data packet is sent to the wireless access controller.

In a possible design, the processing unit is further configured to: if it is detected that the M signal strengths of the N signal strengths corresponding to the N Internet of Things access points are greater than or equal to the preset threshold, Transmitting, by the communication unit, the terminal access quantity request message to the M Internet of Things access points corresponding to the M signal strengths, where M is a positive integer smaller than N;

And receiving, by the communication unit, the M terminal access numbers sent by the M Internet of Things access points;

And determining the working frequency of the Internet of Things access point with the least number of terminal accesses is the working frequency of the Internet of Things terminal.

In this possible design, the processing unit determines that the working frequency of the Internet of Things access point with the least number of terminal accesses is the working frequency of the Internet of Things terminal, and is also used to determine the working frequency point. Sending a network request signal to the IoT access point, where the networking request signal is used to instruct the IoT access point to register the Internet of Things terminal in the current wireless ad hoc network;

And receiving, by the communication unit, a network response signal sent by the Internet of Things access point.

In a possible design, the processing unit determines that the working frequency of the IoT access point with the highest signal strength is the working frequency of the Internet of Things terminal, and is also used to detect the determined signal strength maximum. The signal of the Internet of Things access point is lost, and the coverage of the detection signal includes the Internet of Things repeater of the current area;

And determining a working frequency of the Internet of Things repeater as a working frequency of the Internet of Things terminal.

It can be seen that, in the embodiment of the present invention, the Internet of Things terminal first detects N Internet of Things access points whose signal coverage includes the current area of the Internet of Things terminal, sends a test request signal to N IoT access points, and receives N. a test response signal sent by the IoT access point in response to the test request signal, and then determining each IoT connection according to the signal strength indication information in the received test response signal If the N signal strengths of the N IoT access points are less than the preset threshold, the working frequency of the IoT access point with the highest signal strength is the working frequency of the IoT terminal. point. It can be seen that the IoT terminal can detect the signal strength of each IoT access point and determine the working frequency of the IoT access point with the highest signal strength as the working frequency of the IoT terminal, which is beneficial to enhance the selection of the IoT terminal. The convenience and accuracy of the frequency.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the present application, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic diagram of a communication network architecture for a wireless ad hoc network according to an embodiment of the present invention;

2 is a schematic flowchart of a method for selecting a frequency point based on signal strength according to an embodiment of the present invention;

3 is a schematic flow chart of another method for selecting a frequency point based on signal strength according to an embodiment of the present invention;

4 is a schematic flow chart of another method for selecting a frequency point based on signal strength according to an embodiment of the present invention.

5A is a functional block diagram of an Internet of Things access point according to an embodiment of the present invention;

FIG. 5B is a schematic structural diagram of an Internet of Things access point according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms "first", "second", etc. in the specification and claims of the present invention and the above drawings are used. Differentiate between different objects, not to describe a specific order. Furthermore, the terms "comprises" and "comprising" and "comprising" are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or, optionally, Other steps or units inherent to these processes, methods, products, or equipment.

References to "an embodiment" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention. The appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.

In the embodiment of the present invention, the Internet of Things terminal first detects N IoT access points in the current coverage area of the Internet of Things terminal, sends test request signals to N Internet of Things access points, and receives N Internet of Things access points. The test response signal sent by the entry point in response to the test request signal, and then determining the signal strength of each IoT access point according to the signal strength indication information in the received test response signal, if N Internet of Things access points are detected The N signal strengths are all smaller than the preset threshold, and the working frequency of the Internet of Things access point with the highest signal strength is determined as the working frequency of the Internet of Things terminal. It can be seen that the IoT terminal can detect the signal strength of each IoT access point and determine the working frequency of the IoT access point with the highest signal strength as the working frequency of the IoT terminal, which is beneficial to enhance the selection of the IoT terminal. The convenience and accuracy of the frequency.

The details will be described below in conjunction with specific embodiments.

Please refer to FIG. 1. FIG. 1 is a schematic diagram of a communication network architecture for an Internet of Things terminal according to an embodiment of the present invention. The communication network includes: an Internet of Things terminal 10, an Internet of Things access point 20, and a wireless access controller 30. The above-mentioned Internet of Things terminal may have different manifestations according to different situations. For example, the Internet of Things terminal may specifically be: a mobile phone, a tablet computer, a computer, etc., of course, it may also include other devices with networking functions, such as a smart TV. Smart air conditioner, smart water bottle or some smart devices of the Internet of Things, the above-mentioned Internet of Things terminal 10 is connected to the Internet of Things access point 20 by wireless means, the object link The network access point 20 accesses the Internet through the gateway 12 through another method (that is, a connection mode different from the wireless mode), and the foregoing wireless modes include, but are not limited to, Bluetooth, Wireless Fidelity (WiFi), and the like. Another way may be Long Term Evolution (LTE) or wired mode. In Fig. 1, the wired mode is taken as an example, and for convenience of representation, only one solid line is shown here.

The above-mentioned wireless access controller 30 may be a personal computer (PC) according to the size of the Internet of Things. Of course, in practical applications, it may also be multiple PCs or servers. The specific embodiment of the present invention is not limited. The specific manifestation of the above wireless access controller.

Referring to FIG. 2, FIG. 2 is a schematic flowchart of a method for selecting a frequency point based on signal strength according to an embodiment of the present invention. As shown in FIG. 2, the method includes:

S201. The Internet of Things terminal sends a test request signal to the N Internet of Things access points, and receives a test response signal sent by the N Internet of Things access points in response to the test request signal, where the N Internet of Things accesses The signal coverage of the point includes the area where the IoT terminal is located, and N is an integer greater than one;

The operating points of the N Internet of Things access points are different from each other, and the Internet of Things access point is used to access at least one Internet of Things terminal to form a wireless ad hoc network, such as a temperature sensor for detecting temperature of different rooms. Access to the same IoT access point to form a wireless ad hoc network of temperature detection systems.

S202. The IoT terminal determines a signal strength of each IoT access point according to the received signal strength indication information in the test response signal.

S203, if the object network terminal detects that the N signal strengths corresponding to the N Internet of Things access points are less than a preset threshold, determining that the working frequency of the Internet of Things access point with the highest signal strength is the object The working frequency of the networked terminal.

It can be seen that, in the embodiment of the present invention, the Internet of Things terminal first detects N Internet of Things access points whose signal coverage includes the current area of the Internet of Things terminal, sends a test request signal to N IoT access points, and receives N. The test response signal sent by the IoT access point in response to the test request signal, and then determining the signal strength of each IoT access point according to the signal strength indication information in the received test response signal, if N Internet of Things is detected If the N signal strengths of the access points are less than the preset threshold, the working frequency of the IoT access point with the highest signal strength is determined to be the work of the Internet of Things terminal. Frequency. It can be seen that the IoT terminal can detect the signal strength of each IoT access point and determine the working frequency of the IoT access point with the highest signal strength as the working frequency of the IoT terminal, which is beneficial to enhance the selection of the IoT terminal. The convenience and accuracy of the frequency.

In one possible example, the method further includes:

It can be seen that, in a possible example of the present invention, when detecting that there are M signal strengths greater than or equal to the preset threshold value among the N signal strengths, the IoT terminal can further be based on actual terminal access of each IoT access point. The number, the working frequency of the IoT access point that determines the minimum number of terminal accesses is the working frequency of the IoT terminal, so that it is beneficial to ensure that the IoT access point accessed by the IoT terminal has sufficient resources to complete the IoT terminal. The data forwarding task enhances the intelligence of the IoT terminal to select the working frequency.

In this possible example, after the IoT terminal determines that the working frequency of the IoT access point with the least number of terminal accesses is the working frequency of the IoT terminal, the method further includes:

In a possible example, after determining that the working frequency of the IoT access point with the highest signal strength is the operating frequency of the Internet of Things terminal, the method further includes:

In one possible example, the determining the working frequency of the Internet of Things access point with the highest signal strength After the working frequency of the Internet of Things terminal, the method further includes:

The IoT repeater is a relay device for connecting an Internet of Things terminal and an Internet of Things access point in a wireless ad hoc network.

It can be seen that, in this example, when detecting the loss of the signal of the Internet of Things access point, the IoT terminal can detect the coverage of the signal including the IoT repeater of the current area, and determine the working frequency of the Internet of Things repeater. For the working frequency of the Internet of Things terminal, it can ensure that the Internet of Things terminal can restore the communication status in time, which is beneficial to improve the communication stability of the Internet of Things terminal.

For the same as the embodiment shown in FIG. 2, please refer to FIG. 3. FIG. 3 is a schematic flowchart diagram of another method for selecting a frequency point based on signal strength according to an embodiment of the present invention. As shown in the figure, the frequency point selection method based on signal strength includes:

S301. The Internet of Things terminal sends a test request signal to the N Internet of Things access points, and receives test response signals sent by the N Internet of Things access points in response to the test request signal, and the N Internet of Things The signal coverage of the access point includes the area where the IoT terminal is located, and N is an integer greater than one;

S302. The IoT terminal determines a signal strength of each IoT access point according to the received signal strength indication information in the test response signal.

S303, if the N-th signal strength corresponding to the N Internet of Things access points is less than a preset threshold, determining that the working frequency of the Internet of Things access point with the highest signal strength is the object The working frequency of the networked terminal.

S304, if the Internet of Things terminal detects that there are M signal strengths greater than or equal to the preset threshold value among the N signal strengths corresponding to the N Internet of Things access points, the M signal strengths are corresponding to the M signal strengths. The M Internet of Things access points send a terminal access quantity request message, where M is a positive integer less than N;

S305. The Internet of Things terminal receives the M terminal access numbers sent by the M Internet of Things access points.

S306. The IOT terminal determines that the working frequency of the Internet of Things access point with the least number of terminal accesses is the working frequency of the Internet of Things terminal.

It can be seen that, in the embodiment of the present invention, the Internet of Things terminal first sends a test request signal to the N Internet of Things access points, and receives a test response signal sent by the N Internet of Things access points in response to the test request signal, and then receives the test response signal according to the The signal strength indication information in the test response signal determines the signal strength of each IoT access point. If it is detected that the N signal strengths corresponding to the N IoT access points are less than a preset threshold, the signal strength is determined to be the largest. The working frequency of the IoT access point is the working frequency of the IoT terminal. It can be seen that the IoT terminal can detect the signal strength of each IoT access point and determine the working frequency of the IoT access point with the highest signal strength as the working frequency of the IoT terminal, which is beneficial to enhance the selection of the IoT terminal. The convenience and accuracy of the frequency.

In addition, when detecting that there are M signal strengths greater than or equal to the preset threshold value among the N signal strengths, the Internet of Things terminal can further determine the terminal access quantity based on the actual number of terminal accesses of each IoT access point. The working frequency of the least IoT access point is the working frequency of the IoT terminal. This is beneficial to ensure that the IoT access point accessed by the IoT terminal has sufficient resources to complete the data forwarding task of the IoT terminal. The networked terminal selects the intelligence of the working frequency.

For the same as the embodiment shown in FIG. 2 and FIG. 3, please refer to FIG. 4. FIG. 4 is a schematic flowchart diagram of another method for selecting a frequency point based on signal strength according to an embodiment of the present invention. As shown in the figure, the frequency point selection method based on signal strength includes:

S401. The Internet of Things terminal sends a test request signal to the N IoT access points, and receives a test response signal sent by the N Internet of Things access points in response to the test request signal, where the N Internet of Things accesses The signal coverage of the point includes the area where the IoT terminal is located, and N is an integer greater than one;

S402. The IoT terminal determines a signal strength of each IoT access point according to the received signal strength indication information in the test response signal.

S403, if the Internet of Things terminal detects the N signals corresponding to the N Internet of Things access points If the strength is less than the preset threshold, the working frequency of the Internet of Things access point that determines the maximum signal strength is the working frequency of the Internet of Things terminal.

S404: The Internet of Things terminal sends a data packet to the Internet of Things access point at the determined working frequency point, where the data packet is encrypted by the Internet of Things access point, and the encrypted data packet is processed. Send to the wireless access controller.

The above description mainly introduces the solution of the embodiment of the present invention from the perspective of the method side execution process. It can be understood that, in order to implement the above functions, the Internet of Things terminal includes corresponding hardware structures and/or software modules for performing various functions. Those skilled in the art will readily appreciate that the present invention can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

The embodiment of the present invention may divide the functional unit of the Internet of Things terminal according to the foregoing method example. For example, each functional unit may be divided according to each function, or two or more functions may be integrated into one processing unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logical function division, and the actual implementation may have another division manner.

In the case of employing an integrated unit, FIG. 5A shows a possible structural diagram of the Internet of Things terminal involved in the above embodiment. The Internet of Things terminal 500 includes a processing unit 502 and a communication unit 503. The processing unit 502 is configured to perform control management on the action of the Internet of Things terminal. For example, the processing unit 502 is configured to support the Internet of Things terminal to perform steps S201 to S204 in FIG. 2, steps S301 to 307 in FIG. 3, and steps in FIG. S401 to S405 and/or other processes for the techniques described herein. The communication unit 503 is used to support communication between the IoT terminal and other devices, such as communication with an IoT access point. The Internet of Things terminal may further include a storage unit 501 for storing program codes and data of the Internet of Things terminal.

The processing unit 502 can be a processor or a controller, and can be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure. The processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like. The communication unit 503 can be a communication interface, a transceiver, a transceiver circuit, etc., wherein the communication interface is a collective name and can include one or more interfaces. The storage unit 501 can be a memory.

The processing unit 502502 is configured to send, by using the communication unit 503, a test request signal to the N Internet of Things access points, and receive a test that is sent by the N Internet of Things access points in response to the test request signal. Responsive to the signal, the signal coverage of the N Internet of Things access points includes an area in which the IoT terminal is located, N is an integer greater than 1; and is used to indicate an indication of a signal strength in the received test response signal The information determines the signal strength of each IoT access point; and is used to determine the IOT access with the highest signal strength if the N signal strengths corresponding to the N Internet of Things access points are detected to be less than a preset threshold The working frequency of the point is the working frequency of the IoT terminal.

In a possible example, the processing unit 502 determines that the working frequency of the Internet of Things access point with the highest signal strength is the working frequency of the Internet of Things terminal, and is also used to determine the working frequency point. Sending a data packet to the Internet of Things access point, the data packet being encrypted by the Internet of Things access point, The encrypted processed data packet is sent to the wireless access controller.

In one possible example, the processing unit 502 is further configured to: if it is detected that there are M signal strengths greater than or equal to the preset threshold among the N signal strengths corresponding to the N Internet of Things access points, Transmitting, by the communication unit 503, the terminal access quantity request message to the M Internet of Things access points corresponding to the M signal strengths, where M is a positive integer smaller than N, and receiving the received by the communication unit 503 The M terminal access numbers sent by the M Internet of Things access points; and the working frequency point of the Internet of Things access points used to determine the minimum number of terminal accesses are the working frequency points of the Internet of Things terminals.

In a possible example, the processing unit 502 determines that the working frequency of the IoT access point with the least number of terminal accesses is the operating frequency of the Internet of Things terminal, and is also used for determining the working frequency. Sending a network request signal to the Internet of Things access point, the networking request signal is used to instruct the IoT access point to register the Internet of Things terminal in the current wireless ad hoc network; The communication unit 503 receives the networking response signal sent by the Internet of Things access point.

In one possible example, the processing unit 502 determines that the working frequency of the Internet of Things access point with the highest signal strength is the operating frequency of the Internet of Things terminal, and is also used to detect the determined signal strength. The signal of the largest IoT access point is lost, and the coverage of the detection signal includes the IoT repeater of the current area; and the working frequency of the IoT repeater is determined to be the IoT terminal. Working frequency.

When the processing unit 502 is a processor, the communication unit 503 is a communication interface, and the storage unit 501 is a memory, the Internet of Things terminal according to the embodiment of the present invention may be the Internet of Things terminal shown in FIG. 5B.

Referring to FIG. 5B, the Internet of Things terminal 510 includes a processor 512, a communication interface 513, and a memory 511. Optionally, the Internet of Things terminal 510 may further include a bus 515. The communication interface 513, the processor 512, and the memory 511 may be connected to each other through a bus 514. The bus 514 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (abbreviated). EISA) bus and so on. The bus 514 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 5B, but it does not mean that there is only one bus or one type of bus.

The above-mentioned Internet of Things terminal shown in FIG. 5A or FIG. 5B can also be understood as an IoT terminal. The device is not limited in the embodiment of the present invention.

The embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium may store a program, where the program includes some or all of the signal strength based frequency point selection method described in the foregoing method embodiments. step.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present invention. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the above embodiments, the descriptions of the various embodiments are different, and the details that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit is implemented in the form of a software functional unit and sold as a standalone product Or when used, it can be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a memory. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing memory includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.

A person skilled in the art can understand that all or part of the steps of the foregoing embodiments can be completed by a program to instruct related hardware, and the program can be stored in a computer readable memory, and the memory can include: a flash drive , read-only memory (English: Read-Only Memory, referred to as: ROM), random accessor (English: Random Access Memory, referred to as: RAM), disk or CD.

The embodiments of the present invention have been described in detail above, and the principles and implementations of the present invention are described in detail herein. The description of the above embodiments is only for helping to understand the method of the present invention and its core ideas; It should be understood by those skilled in the art that the present invention is not limited by the scope of the present invention.

Claims

A frequency point selection method based on signal strength, characterized in that it comprises:

The Internet of Things terminal sends a test request signal to the N IoT access points, and receives a test response signal sent by the N Internet of Things access points in response to the test request signal, where the N Internet of Things access points The signal coverage includes an area where the Internet of Things terminal is located, and N is an integer greater than one;

The IoT terminal determines the signal strength of each IoT access point according to the received signal strength indication information in the test response signal;

If the N-th signal strength corresponding to the N Internet of Things access points is less than a preset threshold, determining that the working frequency of the Internet of Things access point with the highest signal strength is the Internet of Things terminal The frequency of work.
The method according to claim 1, wherein after the IoT terminal determines that the working frequency of the IoT access point having the highest signal strength is the operating frequency of the IoT terminal, the method further includes:

The Internet of Things terminal sends a data packet to the Internet of Things access point at the determined working frequency point, the data packet is encrypted by the Internet of Things access point, and the encrypted data packet is sent to Wireless access controller.
The method according to claim 1 or 2, wherein the method further comprises:

And if the MSO terminal detects that the M signal strengths of the N signal strengths corresponding to the N Internet of Things access points are greater than or equal to the preset threshold, the M corresponding to the M signal strengths The IoT access point sends a terminal access quantity request message, where M is a positive integer less than N;

Receiving, by the Internet of Things terminal, the number of M terminal accesses sent by the M Internet of Things access points;

The working frequency point of the Internet of Things (IoT) terminal that determines the minimum number of terminal accesses is the working frequency of the Internet of Things terminal.
The method according to claim 3, wherein the IoT terminal determines that the working frequency of the Internet of Things access point with the least number of terminal accesses is the working frequency of the Internet of Things terminal, The method further includes:

The IoT terminal sends a networking request signal to the Internet of Things access point at the determined working frequency point, where the networking request signal is used to indicate that the Internet of Things access point is registered in the current wireless ad hoc network. The Internet of Things terminal;

The Internet of Things terminal receives the networking response signal sent by the Internet of Things access point.
The method according to any one of claims 1 to 4, wherein the Internet of Things terminal determines that the working frequency of the Internet of Things access point with the highest signal strength is the operating frequency of the Internet of Things terminal, The method also includes:

If the signal loss of the IoT access point with the determined maximum signal strength is detected, the coverage of the detection signal includes the Internet of Things repeater of the current area;

The Internet of Things terminal determines that the working frequency of the Internet of Things relay is the operating frequency of the Internet of Things terminal.
An Internet of Things terminal, comprising: a processing unit and a communication unit,

The processing unit is configured to send a test request signal to the N IoT access points by using the communication unit, and receive a test response signal sent by the N Internet of Things access points in response to the test request signal, where The signal coverage of the N Internet of Things access points includes the area where the IoT terminal is located, N is an integer greater than 1; and is used to determine each of the received signal strength indication information in the test response signal The signal strength of the Internet of Things access point; and if it is detected that the N signal strengths corresponding to the N Internet of Things access points are less than a preset threshold, determining the working frequency of the Internet of Things access point with the highest signal strength The point is the working frequency of the IoT terminal.
The Internet of Things terminal according to claim 6, wherein the processing unit determines that the working frequency of the Internet of Things access point with the highest signal strength is the working frequency of the Internet of Things terminal, and is further used for determining The working frequency point sends a data packet to the Internet of Things access point, the data packet is encrypted by the Internet of Things access point, and the encrypted data packet is sent to the wireless access controller.
The Internet of Things terminal according to claim 6 or 7, wherein the processing unit is further configured to: if it is detected that the N signal strengths corresponding to the N Internet of Things access points are greater than or equal to the Presetting the M signal strengths of the threshold, sending, by the communication unit, a terminal access quantity request message to the M Internet of Things access points corresponding to the M signal strengths, where M is a positive integer less than N; Receiving, by the communication unit, the M terminal access numbers sent by the M Internet of Things access points; and determining the working frequency of the Internet of Things access point with the least number of terminal accesses as the Internet of Things terminal Working frequency.
The Internet of Things terminal according to claim 8, wherein the processing unit determines that the working frequency of the Internet of Things access point with the least number of terminal accesses is the working frequency of the Internet of Things terminal, and is further used for Sending a networking request signal to the Internet of Things access point at the determined working frequency point, where the networking request signal is used to indicate that the Internet of Things access point registers the Internet of Things terminal in the current wireless ad hoc network And receiving, by the communication unit, a network response signal sent by the Internet of Things access point.
The Internet of Things terminal according to any one of claims 6-9, wherein the processing unit determines that the working frequency of the Internet of Things access point with the highest signal strength is the working frequency of the Internet of Things terminal, And for detecting, if the signal loss of the determined IoT access point is the largest, the detection signal coverage includes the IoT repeater of the current area; and determining the IoT relay The working frequency of the device is the working frequency of the IoT terminal.