CN112055340B - Terminal working mode adjusting method in Internet of things - Google Patents
Terminal working mode adjusting method in Internet of things Download PDFInfo
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- CN112055340B CN112055340B CN202010920937.6A CN202010920937A CN112055340B CN 112055340 B CN112055340 B CN 112055340B CN 202010920937 A CN202010920937 A CN 202010920937A CN 112055340 B CN112055340 B CN 112055340B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
- H04W28/0221—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices power availability or consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a method for adjusting a terminal working mode in the Internet of things, which comprises the following steps: a first communication node sends data collection information to a second communication node, wherein the data collection information at least comprises working mode information configured for the second communication node, and the working mode information determines a data transmission mode of the second communication node; and when the working mode information determines that a first working mode is configured for the second communication node, when the working mode information determines that a second working mode is configured for the second communication node, and when the working mode information determines that a third working mode is configured for the second communication node. The problem that the terminal cannot communicate with the base station due to insufficient electric quantity in the existing Internet of things is solved, and the service quality of the Internet of things system is improved.
Description
Technical Field
The invention belongs to the field of wireless communication, and particularly relates to a method for adjusting a terminal working mode in the Internet of things.
Background
The 5G can meet diversified business requirements of people in various areas such as living, working, leisure and traffic, and can provide users with extremely high-definition video, virtual reality, augmented reality, cloud desktop, online games and other extremely business experiences even in scenes with ultrahigh traffic density, ultrahigh connection number density and ultrahigh mobility characteristics such as dense residential areas, offices, stadiums, outdoor gatherings, subways, expressways, high-speed rails and wide area coverage. Meanwhile, 5G also permeates into the fields of the Internet of things and various industries, is deeply integrated with industrial facilities, medical instruments, vehicles and the like, effectively meets the diversified business requirements of the vertical industries such as industry, medical treatment, transportation and the like, and realizes real 'everything interconnection'.
The 5G application scenarios can be divided into two broad categories, namely Mobile Broadband (MBB) and Internet of Things (IoT). Among these, the main technical requirements for mobile broadband access are high capacity, providing high data rates to meet the ever-increasing demand for data services. The internet of things is mainly driven by the requirement of Machine Type Communication (MTC), and can be further divided into two types, including low-speed Mass Machine Communication (MMC) and low-latency highly reliable Machine Communication. For the low-speed mass machine communication, mass nodes are accessed at a low speed, the transmitted data packets are usually small, the interval time is relatively long, and the cost and the power consumption of the nodes are usually low; for low-delay and high-reliability machine communication, the method is mainly used for machine communication with high requirements on real-time performance and reliability, such as real-time alarm, real-time monitoring and the like.
In a fifth generation mobile communication system, a scene needing to be researched is that in a wide area with a large number of terminals of the internet of things, some terminals cannot communicate with a base station of the internet of things due to insufficient electric quantity, so that how to solve the problems of electric quantity supplement and data transmission of the terminals is an important problem to be solved urgently by the internet of things system.
Disclosure of Invention
The invention aims to provide a method for adjusting the working mode of a terminal in the Internet of things, and aims to solve the problem that part of terminals in the Internet of things cannot communicate with a base station due to insufficient electric quantity.
The invention is realized in such a way that a method for adjusting the working mode of a terminal in the Internet of things comprises the following steps:
s1: a first communication node sends data collection information to a second communication node, wherein the data collection information at least comprises working mode information configured for the second communication node, and the working mode information determines the mode of the second communication node for transmitting the data;
s2: executing step S3 when the working mode information determines that a first working mode is configured for the second communication node, executing step S4 when the working mode information determines that a second working mode is configured for the second communication node, and executing step S5 when the working mode information determines that a third working mode is configured for the second communication node;
s3: the first working mode is that the second communication node transmits the data by using the existing electric quantity of the second communication node;
s4: said second mode of operation being that said second communications node transmits said data by backscattering using energy from a television signal;
s5: the third working mode is that the second communication node firstly utilizes the specific wave beam sent by the first communication node to collect energy and then utilizes the electric quantity of the second communication node to transmit the data.
The further technical scheme of the invention is as follows: the step S3 includes the steps of:
s31: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to service;
s32: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to services and electric quantity information of the second communication node;
s33: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s34: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
The further technical scheme of the invention is as follows: the step S4 includes the steps of:
s41: if the energy of the television signal detected by the second communication node is greater than or equal to-60 dBm, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and position information of the second communication node;
s42: if the energy of the television signal detected by the second communication node is less than-60 dBm and greater than or equal to-90 dBm, the data sent by the second communication node comprises information related to service and first position information of the second communication node;
s43: if the energy of the television signal detected by the second communication node is less than-90 dBm, the data sent by the second communication node only contains second location information of the second communication node.
The further technical scheme of the invention is as follows: in step S5, the second communication node first collects energy for a time length of T seconds by using the specific beam sent by the first communication node, and then transmits the data by using its own energy, where a value of T is an integer greater than or equal to 10, and step S5 includes the following steps:
s51: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to the service;
s52: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to service and electric quantity information of the second communication node;
s53: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s54: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
The further technical scheme of the invention is as follows: the positioning accuracy of the first location information of the second communication node is less than the positioning accuracy of the second location information of the second communication node.
The invention further adopts the technical scheme that: the data sent by the second communication node includes information whether the second communication node supports solar charging.
The further technical scheme of the invention is as follows: if the second communication node supports solar charging and the amount of electric power added by the second communication node can reach the maximum electric power by the solar radiation energy within 24 hours before the data collection information calculated by the first communication node is sent, the first communication node may configure the second communication node with the first working mode; if the second communication node supports solar charging and the amount of electricity added by the second communication node by solar radiation energy within 24 hours before the data collection information calculated by the first communication node is sent can reach 50% of the maximum amount of electricity, the first communication node may configure the second communication node with the first operating mode or the third operating mode; if the second communication node supports solar charging and the amount of electricity added by the second communication node by the solar radiation energy calculated by the first communication node within 24 hours before the data collection information is sent can reach 10% of the maximum amount of electricity, the first communication node may configure the second operation mode or the third operation mode for the second communication node.
The invention further adopts the technical scheme that: the direction of the specific beam is obtained by the first communication node and the second communication node through beam training, wherein the carrier frequency used by the first communication node to transmit the specific beam is higher than the carrier frequency used by the first communication node to transmit the data collection information.
The invention further adopts the technical scheme that: when the electric quantity of the second communication node working in the first working mode or the third working mode is less than or equal to 5% of the maximum electric quantity, the data of the second communication node only contains electric quantity abnormal information.
The invention further adopts the technical scheme that: and when the energy of the television signal detected by the second communication node is less than-120 dBm, the data sent by the second communication node only contains information that the television signal cannot be utilized.
The invention has the beneficial effects that: compared with the prior art, the scheme provided by the invention overcomes the problem that the terminal cannot communicate with the base station due to insufficient electric quantity in the existing Internet of things, and improves the service quality of the Internet of things system.
Drawings
FIG. 1 is a main flow diagram of the process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows a method for adjusting a terminal working mode in an internet of things, which is provided by the invention, and the method comprises the following steps:
s1: a first communication node sends data collection information to a second communication node, wherein the data collection information at least comprises working mode information configured for the second communication node, and the working mode information determines a data transmission mode of the second communication node;
s2: executing step S3 when the working mode information determines that a first working mode is configured for the second communication node, executing step S4 when the working mode information determines that a second working mode is configured for the second communication node, and executing step S5 when the working mode information determines that a third working mode is configured for the second communication node;
s3: the first working mode is that the second communication node transmits the data by using the existing electric quantity of the second communication node;
s4: said second mode of operation being that said second communications node transmits said data by backscatter means using energy from a television signal;
s5: the third working mode is that the second communication node firstly utilizes the specific wave beam sent by the first communication node to collect energy, and then utilizes the electric quantity of the second communication node to transmit the data.
Preferably, the step S3 comprises the steps of:
s31: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to service;
s32: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to services and electric quantity information of the second communication node;
s33: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and is more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s34: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
Preferably, the step S4 includes the steps of:
s41: if the energy of the television signal detected by the second communication node is greater than or equal to-60 dBm, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and position information of the second communication node;
s42: if the energy of the television signal detected by the second communication node is less than-60 dBm and greater than or equal to-90 dBm, the data sent by the second communication node comprises information related to service and first position information of the second communication node;
s43: if the energy of the television signal detected by the second communication node is less than-90 dBm, the data sent by the second communication node only contains second location information of the second communication node.
Preferentially, in step S5, the second communication node first collects energy for a time length of T seconds by using a specific beam sent by the first communication node, and then transmits the data by using its own energy, where a value of T is an integer greater than or equal to 10, and step S5 includes the following steps:
s51: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to service;
s52: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to service and electric quantity information of the second communication node;
s53: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and is more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s54: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
Preferably, the positioning accuracy of the first location information of the second communication node is less than the positioning accuracy of the second location information of the second communication node.
Preferably, the data sent by the second communication node includes information whether the second communication node supports solar charging.
Preferably, if the second communication node supports solar charging and the amount of electric power added by the second communication node can reach the maximum electric power amount by solar radiation energy within 24 hours before the data collection information calculated by the first communication node is sent, the first communication node may configure the second communication node with the first operating mode; if the second communication node supports solar charging and the amount of electricity added to the second communication node by the solar radiation energy within 24 hours before the data collection information is sent, which is calculated by the first communication node, can reach 50% of the maximum amount of electricity, the first communication node may configure the first operating mode or the third operating mode to the second communication node; if the second communication node supports solar charging and the amount of electricity added by the second communication node by the solar radiation energy calculated by the first communication node within 24 hours before the data collection information is sent can reach 10% of the maximum amount of electricity, the first communication node may configure the second operation mode or the third operation mode for the second communication node.
Preferably, the direction of the specific beam is obtained by the first communication node and the second communication node through beam training, wherein a carrier frequency used by the first communication node to transmit the specific beam is higher than a carrier frequency used by the first communication node to transmit the data collection information.
Preferably, when the power of the second communication node operating in the first operating mode or the third operating mode is less than or equal to 5% of the maximum power, the data of the second communication node only includes power abnormality information.
Preferably, when the energy of the television signal detected by the second communication node is less than-120 dBm, the data sent by the second communication node only contains information that the television signal cannot be utilized.
Example 1:
the base station needs to collect data of the terminal, and the base station sends data collection information to the terminal, wherein the data collection information at least comprises working mode information configured for the terminal, the working mode information determines a data transmission mode of the terminal, and the working mode information at least comprises three types: the first working mode is that the terminal transmits data by using the existing electric quantity of the terminal, the second working mode is that the terminal transmits data by using the energy of a television signal through a backscattering mode (similar to the working principle of a passive radio frequency tag), and the third working mode is that the terminal firstly uses a specific wave beam sent by a base station to collect energy and then uses the electric quantity of the terminal to transmit data.
And the terminal receives the data collection information and determines the data transmission mode according to the working mode information.
If the base station requires the terminal to work in the first working mode, the terminal transmits data by using the existing electric quantity of the terminal, if the existing electric quantity of the terminal is more than or equal to 80% of the maximum electric quantity, the data sent by the terminal only contains information related to the service, so that the advantage is that the electric quantity of the terminal is sufficient at the moment, no abnormity occurs in a short term, and only the information related to the service is transmitted to the base station, wherein the information related to the service can be peripheral environment information acquired by the terminal, such as humidity, temperature, fruit maturity and the like; if the electric quantity of the terminal is less than 80% of the maximum electric quantity and more than or equal to 40% of the maximum electric quantity, the data sent by the terminal comprises information related to service and electric quantity information of the terminal, the reason for doing so is that the electric quantity of the terminal is at a medium level at the moment, the possibility that the subsequent electric quantity is not enough to support communication between the base station and the terminal exists, and after the electric quantity information of the terminal of the base station is informed, the base station can determine the working mode used by the subsequent terminal for transmitting data based on the electric quantity information of the terminal; if the electric quantity of the terminal is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the terminal comprises information related to the service, electric quantity information of the terminal and first position information of the terminal, and the reason for doing so is that the electric quantity of the terminal is at a relatively low level at the moment, and the notification of the position information is increased, so that the base station can determine a subsequently adopted data transmission strategy according to the position information of the terminal; if the electric quantity of the terminal is less than or equal to 20% of the electric quantity, the data sent by the terminal only contains the second position information of the terminal, and the reason for doing so is that the electric quantity of the terminal is at a relatively low level at the moment, and only the position information of the terminal is informed, so that the reliability of information transmission can be improved as much as possible, and the base station determines a subsequently adopted data transmission strategy according to the position information of the terminal.
If the base station requires the terminal to work in the second working mode, the terminal transmits data by using the energy of the television signal in a backscattering mode, and if the energy of the television signal detected by the terminal is more than or equal to-60 dBm, the data transmitted by the terminal comprises information related to service, electric quantity information of the terminal and position information of the terminal, so that the advantage that the terminal can fully transmit more data to the base station by using the condition of strong television signal energy at the moment is achieved; if the energy of the television signal detected by the terminal is less than-60 dBm and more than or equal to-90 dBm, the data sent by the terminal comprises information related to the service and first position information of the terminal, and the advantage of this is that the terminal transmits limited data to the base station by using the condition that the energy of the television signal is stronger; if the energy of the television signal detected by the terminal is less than-90 dBm, the data sent by the terminal only contains the second position information of the terminal, and the reason for this is that the television signal intensity observed by the position of the terminal is weak at this time, and only a small amount of important information can be transmitted to the base station.
If the base station requires the terminal to work in the third working mode, the terminal firstly utilizes a specific wave beam sent by the base station to collect energy with the time length of T seconds, then utilizes the energy of the terminal to transmit data, if the current electric quantity of the terminal is more than or equal to 80% of the maximum electric quantity, the data sent by the terminal only contains information related to the service, so that the advantage of the terminal is that the electric quantity of the terminal is sufficient at the moment, and no abnormity occurs in a short term, only the information related to the service is transmitted to the base station, and the information related to the service can be the ambient environment information collected by the terminal, such as humidity, temperature, fruit maturity and the like; if the electric quantity of the terminal is less than 80% of the maximum electric quantity and more than or equal to 40% of the maximum electric quantity, the data sent by the terminal comprises information related to service and electric quantity information of the terminal, the reason for doing so is that the electric quantity of the terminal is at a medium level at the moment, the possibility that the subsequent electric quantity is not enough to support communication between the base station and the terminal exists, and after the electric quantity information of the terminal of the base station is informed, the base station can determine the working mode used by the subsequent terminal for transmitting data based on the electric quantity information of the terminal; if the electric quantity of the terminal is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the terminal comprises information related to the service, electric quantity information of the terminal and first position information of the terminal, and the reason for doing so is that the electric quantity of the terminal is at a relatively low level at the moment, and the notification of the position information is increased, so that the base station can determine a subsequently adopted data transmission strategy according to the position information of the terminal; if the electric quantity of the terminal is less than or equal to 20% of the electric quantity, the data sent by the terminal only contains the second position information of the terminal, and the reason for doing so is that the electric quantity of the terminal is at a relatively low level at the moment, and only the position information of the terminal is informed, so that the reliability of information transmission can be improved as much as possible, and the base station determines a subsequently adopted data transmission strategy according to the position information of the terminal.
Example 2:
on the basis of the embodiment 1, the positioning accuracy of the first position information of the terminal is lower than that of the second position information of the second communication, which is because when the power of the terminal is sufficient, the possibility of a problem in short-term transmission is relatively low, so it is sufficient to send the first position information to the base station, thereby saving transmission energy, and when the power of the terminal is relatively low, the possibility of a problem in short-term transmission is increased, so it is necessary to send more accurate second position information to the base station, so that the base station can quickly notify a maintenance worker to go to a field for maintenance when the terminal has a problem.
Example 3:
on the basis of embodiment 1, the data sent by the terminal includes information about whether the terminal supports solar charging, and the base station may determine a possible future power condition of the terminal according to the information.
Example 4:
on the basis of embodiment 3, if the terminal supports solar charging and the amount of electricity added to the terminal by the solar radiation energy within 24 hours before the data collection information calculated by the base station is sent reaches the maximum amount of electricity, the base station may configure the terminal with a first operation mode.
Example 5:
on the basis of embodiment 3, if the terminal supports solar charging and the solar radiation energy calculated by the base station within 24 hours before the data collection information is sent can increase the electric quantity of the terminal to 50% of the maximum electric quantity, the base station may configure the terminal with a first operation mode or a third operation mode. The reason for this is that the base station can predict that the power of the terminal can reach at least 50% of the maximum power, so that the first operation mode or the third operation mode in which the terminal uses its own power for data transmission can be configured.
Example 6:
on the basis of embodiment 3, if the terminal supports solar charging and the solar radiation energy calculated by the base station within 24 hours before the data collection information is sent can increase the electric quantity of the terminal to 10% of the maximum electric quantity, the base station may configure the terminal with a second operation mode or a third operation mode. The reason for this is that the base station can infer that the power of the terminal can reach at least 10% of the maximum power, so that a third operation mode in which the terminal uses its own power for data transmission or a second operation mode in which the terminal does not need to use its own power can be configured.
Example 7:
on the basis of the embodiment 1, the value of T is an integer greater than or equal to 10 seconds, and according to practical experience, the terminal can obtain the electric quantity requirement meeting the data communication in a short time.
Example 8:
on the basis of the embodiment 1, the direction of the specific beam is obtained by the base station and the terminal through beam training, wherein the carrier frequency used by the base station for transmitting the specific beam is higher than the carrier frequency used by the base station for transmitting the data collection information. The reason for this is to charge the terminal by the base station through the directional beam of the high frequency band, which improves the charging efficiency.
Example 9:
on the basis of embodiment 1, when the power of the terminal operating in the first operating mode or the third operating mode is less than or equal to 5% of the maximum power, the terminal data only includes power abnormality information. The reason for this is that the power of the terminal is not enough to transmit more information, so the terminal is required to report the information of abnormal operation to the base station quickly.
Example 10:
on the basis of the embodiment 1, when the energy of the television signal detected by the terminal is less than-120 dBm, the data sent by the terminal only contains information that the television signal cannot utilize. The reason for this is that the energy of the television signal is not enough to transmit more information at this time, so the terminal needs to report the information of abnormal operation to the base station quickly, and the base station is prevented from continuing to configure the second operation mode for the terminal to send uplink data later.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for adjusting a terminal working mode in the Internet of things is characterized by comprising the following steps:
s1: a first communication node sends data collection information to a second communication node, wherein the data collection information at least comprises working mode information configured for the second communication node, and the working mode information determines the mode of the second communication node for transmitting the data;
s2: executing step S3 when the working mode information determines that a first working mode is configured for the second communication node, executing step S4 when the working mode information determines that a second working mode is configured for the second communication node, and executing step S5 when the working mode information determines that a third working mode is configured for the second communication node;
s3: the first working mode is that the second communication node transmits the data by using the existing electric quantity of the second communication node;
s4: said second mode of operation being that said second communications node transmits said data by backscattering using energy from a television signal;
s5: the third working mode is that the second communication node firstly utilizes the specific wave beam sent by the first communication node to collect energy, and then utilizes the electric quantity of the second communication node to transmit the data.
2. The method for adjusting the working mode of the terminal in the internet of things according to claim 1, wherein the step S3 comprises the following steps:
s31: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to service;
s32: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to services and electric quantity information of the second communication node;
s33: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s34: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
3. The method for adjusting the working mode of the terminal in the internet of things according to claim 2, wherein the step S4 comprises the following steps:
s41: if the energy of the television signal detected by the second communication node is greater than or equal to-60 dBm, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and position information of the second communication node;
s42: if the energy of the television signal detected by the second communication node is less than-60 dBm and greater than or equal to-90 dBm, the data sent by the second communication node comprises information related to service and first position information of the second communication node;
s43: if the energy of the television signal detected by the second communication node is less than-90 dBm, the data sent by the second communication node only contains second location information of the second communication node.
4. The method according to claim 3, wherein in step S5, the second communication node first collects energy for T seconds by using a specific beam sent by the first communication node, and then transmits the data by using its own energy, and a value of T is an integer greater than or equal to 10, and step S5 includes the following steps:
s51: if the current electric quantity of the second communication node is more than or equal to 80% of the maximum electric quantity, the data sent by the second communication node only contains information related to the service;
s52: if the electric quantity of the second communication node is less than 80% of the maximum electric quantity and is more than or equal to 40% of the maximum electric quantity, the data sent by the second communication node comprises information related to services and electric quantity information of the second communication node;
s53: if the electric quantity of the second communication node is less than 40% of the maximum electric quantity and more than or equal to 20% of the maximum electric quantity, the data sent by the second communication node comprises information related to service, electric quantity information of the second communication node and first position information of the second communication node;
s54: and if the electric quantity of the second communication node is less than or equal to 20% of the electric quantity, the data sent by the second communication node only contains second position information of the second communication node.
5. The method for adjusting the working mode of the terminal in the internet of things as claimed in claim 4, wherein the positioning accuracy of the first location information of the second communication node is smaller than the positioning accuracy of the second location information of the second communication node.
6. The method according to claim 4, wherein the data sent by the second communication node includes information about whether the second communication node supports solar charging.
7. The method as claimed in claim 6, wherein if the second communication node supports solar charging and the amount of electricity added to the second communication node by solar radiation energy calculated by the first communication node within 24 hours before the data collection information is sent reaches the maximum amount of electricity, the first communication node configures the first operation mode to the second communication node; if the second communication node supports solar charging and the amount of electricity added by the second communication node by solar radiation energy within 24 hours before the data collection information calculated by the first communication node is sent can reach 50% of the maximum amount of electricity, the first communication node may configure the second communication node with the first operating mode or the third operating mode; if the second communication node supports solar charging and the amount of electricity added by the second communication node by the solar radiation energy calculated by the first communication node within 24 hours before the data collection information is sent can reach 10% of the maximum amount of electricity, the first communication node may configure the second operation mode or the third operation mode for the second communication node.
8. The method as claimed in claim 4, wherein the direction of the specific beam is obtained by the first communication node and the second communication node through beam training, and a carrier frequency used by the first communication node to transmit the specific beam is higher than a carrier frequency used by the first communication node to transmit the data collection information.
9. The method for adjusting the working mode of the terminal in the internet of things according to claim 1, wherein when the electric quantity of the second communication node working in the first working mode or the third working mode is less than or equal to 5% of the maximum electric quantity, the data of the second communication node only contains information about abnormal electric quantity.
10. The method as claimed in claim 1, wherein when the energy of the tv signal detected by the second communication node is less than-120 dBm, the data sent by the second communication node only contains information that the tv signal cannot be used.
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