CN106879038B - working state switching method and device - Google Patents
working state switching method and device Download PDFInfo
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- CN106879038B CN106879038B CN201710203046.7A CN201710203046A CN106879038B CN 106879038 B CN106879038 B CN 106879038B CN 201710203046 A CN201710203046 A CN 201710203046A CN 106879038 B CN106879038 B CN 106879038B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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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
Abstract
the application provides a working state switching method and a device, wherein the method comprises the following steps: when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, after a first awakening instruction sent by a cloud terminal is received, the cellular mobile communication module is awakened to initiate connection to a cellular mobile communication base station, and after the connection is successful, the cellular mobile communication module is controlled to be switched to the working state and the low-power wide area network communication module is controlled to be switched to the dormant state; when the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, the low-power wide area network communication module is awakened to initiate connection to the low-power wide area network communication base station, and after the connection is successful, the low-power wide area network communication module is controlled to be switched to the working state and the cellular mobile communication module is controlled to be switched to the dormant state.
Description
Technical Field
The present disclosure relates to the field of network communication technologies, and in particular, to a method and an apparatus for switching operating states.
Background
In the internet of things, a terminal device generally uses only a certain communication technology to perform data communication with a base station and a cloud terminal. Currently, a main communication technology supported by a terminal device is a GPRS (General Packet Radio Service) technology, and the terminal device may perform data communication by using an existing mobile communication operator network.
however, the conventional terminal device uses a single communication technology, and once the connection with the base station fails or is disconnected, the function of the terminal device may be unavailable.
Disclosure of Invention
In view of the above, the present application provides a method and an apparatus for switching operating states.
Specifically, the method is realized through the following technical scheme:
in one aspect, a method for switching operating states is provided, and a terminal device includes: a low power wide area network communication module for communicating data using a low power wide area network communication technique, and a cellular mobile communication module for communicating data using a cellular mobile communication technique, the method being applied to a terminal device, the method comprising:
when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, after a first awakening instruction sent by a cloud terminal is received, the cellular mobile communication module is awakened to initiate connection to a cellular mobile communication base station, and after the cellular mobile communication module is successfully connected, the cellular mobile communication module is controlled to be switched to the working state and the low-power wide area network communication module is controlled to be switched to the dormant state; the first awakening instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment and/or communication quality parameters of communication between the terminal equipment and the low-power wide area network communication base station;
When the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, the low-power wide area network communication module is awakened to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, the low-power wide area network communication module is controlled to be switched to the working state and the cellular mobile communication module is controlled to be switched to the dormant state.
On the other hand, a working state switching device is also provided, and the terminal device comprises: a low power wide area network communication module for communicating data using a low power wide area network communication technique, and a cellular mobile communication module for communicating data using a cellular mobile communication technique, the apparatus being applied to a terminal device, the apparatus comprising:
The receiving module is used for receiving an instruction sent by the cloud;
The control module is used for waking up the cellular mobile communication module to initiate connection to a cellular mobile communication base station after the receiving module receives a first wake-up instruction sent by the cloud when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, and controlling the cellular mobile communication module to be switched to the working state and the low-power wide area network communication module to be switched to the dormant state after the cellular mobile communication module is successfully connected; the first awakening instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment and/or communication quality parameters of communication between the terminal equipment and the low-power wide area network communication base station; and the low-power wide area network communication module is also used for waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station when the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, controlling the low-power wide area network communication module to be switched to the working state and controlling the cellular mobile communication module to be switched to the dormant state after the low-power wide area network communication module is successfully connected.
Through the above technical scheme of this application, be provided with low-power wide area network communication module and honeycomb mobile communication module in the terminal equipment, these two modules can carry out operating condition's switching, and when low-power wide area network communication module was in operating condition, honeycomb mobile communication module was in dormant state, otherwise, when honeycomb mobile communication module was in operating condition, low-power wide area network communication module was in dormant state. In this way, the terminal device can support two communication technologies: the low-power wide area network communication technology and the cellular mobile communication technology can be suitable for application scenes with low power consumption requirements, such as the Internet of things.
drawings
Fig. 1 is a flowchart of an operating state switching method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a terminal device according to an embodiment of the present application, which includes a GPRS module and an LoRa module;
Fig. 3 is a flowchart illustrating a switching process of a working state when the LoRa module is in a working state and the GPRS module is in a dormant state according to a first embodiment of the present disclosure;
Fig. 4 is a flowchart illustrating a switching operation of the GPRS module when the GPRS module is in the operating state and the LoRa module is in the sleep state according to a first embodiment of the present disclosure;
fig. 5 is a flowchart illustrating a working state switching process when the GPRS module is in a working state and the LoRa module is in a dormant state according to a second embodiment of the present application;
Fig. 6 is a flowchart illustrating a switching operation of the GPRS module and the LoRa module in the sleep state according to a third embodiment of the present application;
fig. 7 is a schematic diagram of a hardware structure of a terminal device where an operating state switching apparatus according to an embodiment of the present application is located;
Fig. 8 is a schematic structural diagram of an operating state switching device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
it is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
most of the existing terminal devices use cellular mobile communication technologies such as GPRS to perform data communication with cellular mobile communication base stations, so that once connection with the base stations fails, functions of the terminal devices may be unavailable. In order to solve the above problem, the following embodiments of the present application provide a method for switching operating states of a terminal device, and an operating state switching apparatus to which the method can be applied. The terminal device may be various terminal devices Of the internet Of things, for example, a mobile POS (Point Of Sales) machine, an intelligent lock, and the like.
In the embodiment of the present application, two communication modules are provided in a terminal device: the mobile communication system comprises a low-power wide area network communication module and a cellular mobile communication module, wherein the low-power wide area network communication module carries out data communication by using a low-power wide area network communication technology, and the cellular mobile communication module carries out data communication by using a cellular mobile communication technology. In this way, the terminal device can support two communication technologies: the cellular mobile communication technology and the low-power wide area network communication technology, the terminal equipment can use one communication technology to carry out data communication according to a certain method, namely, at the same time, the terminal equipment can only carry out data communication through the low-power wide area network communication module or the cellular mobile communication module. Based on this, the working state switching method according to the embodiment of the present application, as shown in fig. 1, includes the following steps:
step S101, when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, after receiving a first awakening instruction sent by a cloud terminal, awakening the cellular mobile communication module to initiate connection to a cellular mobile communication base station, and after the cellular mobile communication module is successfully connected, controlling the cellular mobile communication module to be switched to the working state and controlling the low-power wide area network communication module to be switched to the dormant state; the first awakening instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment and/or communication quality parameters of communication between the terminal equipment and the low-power wide area network communication base station;
Step S102, when the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, the low-power wide area network communication module is awakened to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, the low-power wide area network communication module is controlled to be switched to the working state and the cellular mobile communication module is controlled to be switched to the dormant state.
In practical implementation, the cellular mobile communication technology may be any one of a second generation mobile communication technology, a GPRS technology, a third generation mobile communication technology, an LTE (Long Term Evolution) technology, a fourth generation mobile communication technology, and the like. The low-power wan communication technology may be any one of a LoRa (ultra long distance radio transmission based on spread spectrum technology) technology, an NB-IoT (Narrow Band Internet of Things based on cellular) technology, and other communication technologies.
The LoRa technology is one of LPWAN (Low-Power Wide-Area Network) communication technologies, and has the characteristics of long distance, Low Power consumption (long battery life), multiple nodes and Low cost.
The NB-IoT technology is an important branch of the Internet of things, can be directly deployed in a cellular network, and has the characteristics of wide coverage, more connections, low speed, low cost, low power consumption, excellent architecture and the like.
In the method according to the embodiment of the present application, the terminal device is provided with the low-power wide area network communication module and the cellular mobile communication module, and these two modules can switch the operating state, and when the low-power wide area network communication module is in the operating state, the cellular mobile communication module is in the dormant state, otherwise, when the cellular mobile communication module is in the operating state, the low-power wide area network communication module is in the dormant state. In this way, the terminal device can support two communication technologies: the low-power wide area network communication technology and the cellular mobile communication technology can be suitable for application scenes with low power consumption requirements, such as the Internet of things.
The method of the above embodiment will be described in detail below by taking the example that the cellular mobile communication technology is the GPRS technology and the low power wide area network communication technology is the LoRa technology. As shown in fig. 2, the terminal device is provided with an LoRa module and a GPRS module.
Example one
when the loRa module is in a working state and the GPRS module is in a dormant state, the terminal equipment performs data communication by using the loRa technology through the loRa module. When the GPRS module is in a working state and the LoRa module is in a dormant state, the terminal equipment uses the GPRS technology to carry out data communication through the GPRS module. Therefore, only one of the LoRa module and the GPRS module is in a working state at the same time, and the terminal equipment only uses one communication technology for data communication. In this application embodiment, the electronic fence area of each LoRa base station is saved on the cloud, that is, the coordinates of the signal coverage of each LoRa base station, and in the actual implementation process, the electronic fence area of the LoRa base station may be smaller than the actual signal coverage of the LoRa base station, for example, the radius of the electronic fence area may be 90% of the actual signal coverage radius. In addition, the cloud end can acquire the current position of the terminal device in real time, specifically, a mode that the terminal device actively reports to the cloud end can be adopted, and a mode that the cloud end acquires the current position of the terminal device from the terminal device can also be adopted. In order to reduce the load of the cloud, it is preferable to adopt a mode of actively reporting by the terminal device, and at this time, the terminal device needs to report its position to the cloud at regular time.
After receiving the current position of the terminal device, the cloud end executes the following specific steps: judging whether the terminal equipment is in a signal coverage range of the LoRa base station or not (namely judging whether the terminal equipment is in an electronic fence area of the LoRa base station or not) according to the current position of the terminal equipment, if the judgment results of N times of continuous times are negative, determining that the terminal equipment is not suitable for carrying out data communication by using the LoRa technology, and sending a first awakening instruction to the terminal equipment for awakening the GPRS module; if the judgment results of the N times of continuous judgment are yes, the terminal equipment is determined to be suitable for data communication by using the LoRa technology, and a second awakening instruction is sent to the terminal equipment and used for awakening the LoRa module; otherwise, continuing to execute the judging step. Wherein N is greater than 1, and the specific value of N can be preset and adjusted.
At this time, as shown in fig. 3, the working state switching process when the LoRa module is in the working state and the GPRS module is in the dormant state includes the following steps:
Step S301, a first wake-up command sent from the cloud is received.
Step S302, awakening the GPRS module to initiate connection to the GPRS base station.
Step S303, determining whether the GPRS module is successfully connected, if so, performing step S304, otherwise, performing step S305.
And step S304, controlling the GPRS module to be switched to a working state, and controlling the LoRa module to be switched to a dormant state.
In addition, in step S304, the terminal device may further notify the cloud of the switching of the working state.
In step S305, i is incremented by 1, and then step S306 is executed.
wherein i represents the number of times that the GPRS module initiates connection to the GPRS base station, and the initial value of i is 0.
Step S306, determining whether i is equal to the predetermined connection failure times Sum, if yes, executing step S307, otherwise, returning to step S302.
wherein Sum is greater than 1, and the specific value of Sum can be preset and adjusted.
step S307, the cloud is notified to perform an alarm, and then the process returns to step S302.
Specifically, in step S307, after the cloud is notified, the cloud may record the GPRS connection establishment failure, record the latest position of the terminal device, and alert the terminal device and the administrator to prompt the terminal device that the risk of losing connection exists.
by the method shown in fig. 3, when the LoRa module is in a working state and the GPRS module is in a dormant state, the GPRS module is waken to initiate connection to the GPRS base station after receiving a first wake-up instruction sent from the cloud, and after the GPRS module is successfully connected, the GPRS module is controlled to be switched to the working state and the LoRa module is controlled to be switched to the dormant state; and if the GPRS module fails to initiate connection for continuous Sum times, the cloud end is informed to alarm, and the GPRS module is controlled to continue to initiate connection to the GPRS base station.
as shown in fig. 4, the process of switching the operating state when the GPRS module is in the operating state and the LoRa module is in the dormant state includes the following steps:
Step S401, receiving a second wake-up command sent from the cloud.
Step S402, awakening the LoRa module to initiate connection to the LoRa base station.
Step S403, determining whether the connection of the LoRa module is successful, if so, executing step S404, otherwise, executing step S405;
and S404, controlling the LoRa module to be switched to a working state, and controlling the GPRS module to be switched to a dormant state.
in addition, in step S404, the terminal device may further notify the cloud of the switching of the working state.
in step S405, j is incremented by 1, and then step S406 is executed.
Wherein j represents the number of times that the LoRa module initiates connection to the LoRa base station, and the initial value of j is 0.
step S406, determining whether j is equal to the predetermined connection failure number M, if yes, performing step S407, otherwise, returning to step S402.
Wherein M is greater than 1, and the specific value of M can be preset and adjusted.
Step S407, the LoRa module is controlled to enter the sleep state, and the cloud is notified.
Specifically, in step S407, the terminal device notifies the cloud of the result of the connection failure with the LoRa base station, and after receiving the notification, the cloud temporarily stops executing the specific step, and waits for a predetermined time before executing the specific step. For example, after receiving the notification, the cloud starts a timer, the specific step is not executed during the time period of the timer, and the specific step is restarted when the time duration of the timer reaches. Therefore, the LoRa module cannot be awakened in the preset time, and the LoRa module is awakened to initiate connection to the LoRa base station after the second awakening instruction sent by the cloud is received.
By the method shown in fig. 4, when the GPRS module is in a working state and the LoRa module is in a dormant state, after receiving a second wake-up instruction sent from the cloud, the LoRa module is woken up to initiate connection to the LoRa base station, and after the LoRa module is successfully connected, the LoRa module is controlled to be switched to the working state and the GPRS module is controlled to be switched to the dormant state; and if the LoRa module fails to initiate connection for M times continuously, controlling the LoRa module to enter a dormant state, informing the cloud end of stopping executing the specific steps, not sending a second awakening instruction, and executing the specific steps again after waiting for preset time.
in the method of the first embodiment of the application, the terminal device can report the position of the terminal device to the cloud, and the cloud can judge whether the terminal device is in the signal coverage range of the LoRa base station according to the current position of the terminal device, so that whether the terminal device is suitable for data communication by using the LoRa technology at present is determined, and the working state switching of the terminal device is realized.
When the GPRS module is in a working state and the LoRa module is in a dormant state, if the cloud detects that the terminal equipment is suitable for using the LoRa technology to perform data communication at present, the terminal equipment wakes up the LoRa module to initiate connection to the LoRa base station, and after the connection is successful, the LoRa module is controlled to be switched to the working state and the GPRS module is controlled to be switched to the dormant state, so that the terminal equipment is ensured to preferentially use the LoRa technology to perform data communication, and the purpose of reducing power consumption is achieved.
Example two
When the loRa module is in a working state and the GPRS module is in a dormant state, the terminal equipment performs data communication by using the loRa technology through the loRa module. When the GPRS module is in a working state and the LoRa module is in a dormant state, the terminal equipment uses the GPRS technology to carry out data communication through the GPRS module. Therefore, only one of the LoRa module and the GPRS module is in a working state at the same time, and the terminal equipment only uses one communication technology for data communication. In this application embodiment, the cloud can obtain the communication quality parameter that terminal equipment and LoRa base station communicate, include wherein: the communication quality parameter when the terminal equipment is connected with the LoRa base station, and the communication quality parameter when the terminal equipment is in data communication with the LoRa base station. The communication quality parameter may specifically be any one or a combination of multiple parameters used for indicating communication quality, such as signal strength, signal-to-noise ratio, retransmission rate, packet loss rate, and the like. Specifically, a mode of actively reporting to the cloud terminal by the terminal device may be adopted, and a mode of acquiring from the cloud terminal to the terminal device may also be adopted. In order to reduce the load of the cloud, an active reporting mode of the terminal device is preferably adopted, and at this time, the terminal device needs to report the communication quality parameters of the device communicating with the LoRa base station to the cloud.
After knowing that the terminal equipment is successfully connected with the LoRa base station through the LoRa module, the cloud judges whether the current communication quality parameter reaches a first threshold value according to the communication quality parameter reported by the terminal equipment;
if the first threshold value is reached, determining that the terminal equipment is suitable for performing data communication by using an LoRa technology, sending a switching instruction to the terminal equipment, then judging whether the current communication quality parameter is lower than a second threshold value, if the current communication quality parameter is lower than the second threshold value, determining that the terminal equipment is not suitable for performing data communication by using the LoRa technology, and sending a first awakening instruction to the terminal equipment; wherein the first threshold is greater than the second threshold;
and if the first threshold value is not reached, determining that the terminal equipment is not suitable for data communication by using the LoRa technology, and sending a disconnection instruction to the terminal equipment.
for example, when the communication quality parameter is the signal strength, the manner of determining whether the current communication quality parameter reaches the first threshold value according to the received communication quality parameter by the cloud may be: and the cloud calculates the average value of the signal intensity received for many times, if the average value is greater than a first threshold, the current communication quality parameter is judged to reach the first threshold, and if not, the current communication quality parameter is judged not to reach the first threshold. The manner of determining whether the current communication quality parameter is lower than the second threshold value may also be adopted, and is not described in detail here.
based on this, the working state switching flow when the LoRa module is in the working state and the GPRS module is in the dormant state is shown in fig. 3, which is not described herein again.
as shown in fig. 5, the working state switching process when the GPRS module is in the working state and the LoRa module is in the dormant state includes the following steps:
Step S501, awakening the LoRa module according to a preset period to initiate connection to the LoRa base station.
step S502, determining whether the connection of the LoRa module is successful, if so, executing step S503, otherwise, returning to step S501.
Step S503 is to determine whether a switching instruction or a disconnection instruction sent from the cloud is received, if the switching instruction is received, step S504 is executed, and if the disconnection instruction is received, step S505 is executed.
after the loRa module is successfully connected with the loRa base station, the loRa base station can inform the cloud. After knowing that the terminal equipment is successfully connected with the LoRa base station through the LoRa module, the cloud end judges whether the current communication quality parameter reaches a first threshold value according to the received communication quality parameter; if the first threshold value is reached, determining that the terminal equipment is suitable for data communication by using the LoRa technology, and sending a switching instruction to the terminal equipment; and if the first threshold value is not reached, determining that the terminal equipment is not suitable for data communication by using the LoRa technology, and sending a disconnection instruction to the terminal equipment.
And step S504, controlling the LoRa module to be switched to a working state, and controlling the GPRS module to be switched to a dormant state.
in addition, in step S504, the terminal device may further notify the cloud of the switching of the working state.
Step S505 is to disconnect the connection, wait for a predetermined time T, and return to step S501.
in an actual implementation process, the disconnection instruction may carry a predetermined time T, and after receiving the disconnection instruction, the terminal device performs step S505, in which a timer may be started, the total time duration of the timer is T, and during the time period of the timer, the terminal device does not perform step S501, and when the time T reaches, the terminal device re-performs step S501.
By the method shown in fig. 5, when the GPRS module is in a working state and the LoRa module is in a dormant state, the terminal device wakes up the LoRa module according to a predetermined period to initiate connection to the LoRa base station, and after the connection is successful, if a switching instruction sent from the cloud is received, the LoRa module is controlled to be switched to the working state, and the GPRS module is controlled to be switched to the dormant state; if a disconnection instruction sent by the cloud is received, the connection is disconnected, the awakening of the LoRa module is stopped, and the LoRa module is awakened again according to a preset period after the preset time T is waited.
In the method of the second embodiment of the application, the terminal device can report the communication quality parameter of the terminal device communicating with the LoRa base station to the cloud, the cloud can determine whether the terminal device is suitable for using the LoRa technology to perform data communication currently according to the communication quality parameter, the terminal device is allowed to use the LoRa technology to perform data communication through the LoRa module when the communication quality parameter is greater than a first threshold value, and the terminal device is controlled to use the GPRS technology to perform data communication through the GPRS module when the communication quality parameter is less than a second threshold value, so that the switching of the working state of the terminal device is realized. The first threshold is set to be larger than the second threshold, so that switching oscillation of the two communication modes can be avoided. When terminal equipment uses the GPRS technique to carry out data communication through the GPRS module, if the high in the clouds judges that the communication quality parameter when terminal equipment is connected with the loRa base station is less than first threshold value, can force terminal equipment to suspend and initiate the connection to the loRa base station through the loRa module, again after waiting for a period of time initiate the connection to the loRa base station to avoid terminal equipment to initiate the consumption of power consumption that the connection leads to the loRa base station repeatedly.
EXAMPLE III
When the loRa module is in a working state and the GPRS module is in a dormant state, the terminal equipment performs data communication by using the loRa technology through the loRa module. When the GPRS module is in a working state and the LoRa module is in a dormant state, the terminal equipment uses the GPRS technology to carry out data communication through the GPRS module. Therefore, only one of the LoRa module and the GPRS module is in a working state at the same time, and the terminal equipment only uses one communication technology for data communication. In this application embodiment, the electronic fence area of each LoRa base station is saved on the cloud, that is, the coordinates of the signal coverage of each LoRa base station, and in the actual implementation process, the electronic fence area of the LoRa base station may be smaller than the actual signal coverage of the LoRa base station, for example, the radius of the electronic fence area may be 90% of the actual signal coverage radius.
In addition, the terminal device reports its position to the cloud regularly, and also reports the communication quality parameters of the communication between the terminal device and the LoRa base station to the cloud, including: the communication quality parameter when the terminal equipment is connected with the LoRa base station, and the communication quality parameter when the terminal equipment is in data communication with the LoRa base station. The communication quality parameter may specifically be any one or a combination of multiple parameters used for indicating communication quality, such as signal strength, signal-to-noise ratio, retransmission rate, packet loss rate, and the like.
after receiving the current position and/or the communication quality parameters of the terminal equipment, the cloud end executes the following steps:
When the situation that an LoRa module in the terminal equipment is in a working state and a GPRS module is in a dormant state is known, if the terminal equipment is judged to be out of a signal coverage range of a LoRa base station (namely whether the terminal equipment is judged to be in an electronic fence area of the LoRa base station or not) for N times continuously according to the position of the terminal equipment, the fact that the terminal equipment is not suitable for data communication by using the LoRa technology is determined, and a first awakening instruction is sent to the terminal equipment and used for awakening the GPRS module; or, if the communication quality parameter of the terminal device is judged to be smaller than the second threshold value according to the communication quality parameter reported by the terminal device, determining that the terminal device is not suitable for performing data communication by using the LoRa technology, and sending a first awakening instruction to the terminal device for awakening the GPRS module.
When the GPRS module in the terminal equipment is in a working state and the LoRa module is in a dormant state, if the terminal equipment is judged to be in the signal coverage range of the LoRa base station for N times continuously according to the position of the terminal equipment, a second awakening instruction is sent to the terminal equipment and is used for awakening the LoRa module; the LoRa module is awakened and then can initiate connection to the LoRa base station, and communication quality parameters communicated with the LoRa base station can be reported to a cloud end in the connection process and the data communication process after the connection is successful. The cloud judges whether the communication quality parameter reported by the terminal equipment reaches a first threshold value, if so, after the fact that the terminal equipment is successfully connected with the LoRa base station is known, the fact that the terminal equipment is suitable for data communication by using the LoRa technology is determined, a switching instruction is sent to the terminal equipment, and after the terminal equipment receives the switching instruction, the LoRa module is controlled to be switched to a working state, and the GPRS module is controlled to be switched to a dormant state; on the contrary, if the cloud determines that the communication quality parameter does not reach the first threshold, a disconnection instruction is sent to the terminal device after the fact that the terminal device is successfully connected with the LoRa base station is known, so that the LoRa module is disconnected from the established connection.
wherein N is greater than 1, and the specific value of N can be preset and adjusted.
Based on this, the working state switching process when the LoRa module is in the working state and the GPRS module is in the dormant state may be referred to fig. 3, which is not described herein again.
When the GPRS module is in a working state and the LoRa module is in a dormant state, the working state switching process shown in fig. 6 includes the following steps:
Step S601, receiving a second wake-up command sent from the cloud.
Step S602, the LoRa module is waken to initiate connection to the LoRa base station.
Step S603, determining whether the connection of the LoRa module is successful, if so, executing step S604, otherwise, executing step S605;
Step S604, after receiving a switching instruction sent by a cloud end, controlling the LoRa module to switch to a working state, and controlling the GPRS module to switch to a dormant state; after receiving a disconnection instruction sent by the cloud, the LoRa module is controlled to disconnect the connection.
In addition, in step S604, the terminal device notifies the cloud of the switching of the working state after controlling the LoRa module to switch to the working state and controlling the GPRS module to switch to the dormant state.
in step S605, k is incremented by 1, and then step S606 is executed.
Wherein, k represents the number of times that the LoRa module initiates connection to the LoRa base station, and the initial value of k is 0.
Step S406, determining whether j is equal to the predetermined connection failure number X, if so, performing step S607, otherwise, returning to step S602.
Wherein, X is larger than 1, and the specific value of X can be preset and adjusted.
In step S607, the LoRa module is controlled to enter the sleep state and notify the cloud.
Specifically, in step S607, the terminal device may notify the cloud of the result of the connection failure with the LoRa base station, and after receiving the notification, the cloud may temporarily stop executing the determining step, and after waiting for a predetermined time, execute the determining step again. For example, after receiving the notification, the cloud starts a timer, the determining step is not executed during the time period of the timer, and the determining step is restarted when the time duration of the timer reaches. Therefore, the LoRa module cannot be awakened in the preset time, and the LoRa module is awakened to initiate connection to the LoRa base station after the second awakening instruction sent by the cloud is received.
through the method shown in fig. 6, when the GPRS module is in a working state and the LoRa module is in a dormant state, after receiving a second wake-up instruction sent from the cloud, the LoRa module is waken up to initiate connection to the LoRa base station, and after the LoRa module is successfully connected, if a switching instruction sent from the cloud is received, the LoRa module is controlled to be switched to the working state, the GPRS module is controlled to be switched to the dormant state, and if a disconnection instruction sent from the cloud is received, the connection is disconnected. And if the LoRa module fails to initiate connection for M times continuously, controlling the LoRa module to enter a dormant state, informing the cloud end of stopping executing the judging step, not sending a second awakening instruction, and executing the judging step again after waiting for preset time.
in the method of the third embodiment of the application, the terminal device can report the position of the terminal device to the cloud, and can also report the communication quality parameter of the terminal device communicating with the LoRa base station to the cloud, and the cloud can judge whether the terminal device is suitable for data communication by using the LoRa technology according to the current position and the communication quality parameter of the terminal device, so that the working state switching of the terminal device is realized.
It should be noted that: in the method of the above embodiment of the present application, when data communication cannot be performed using either the cellular mobile communication technology or the low-power wide area network communication technology, the terminal device needs to attempt to establish a connection using both the communication technologies, and if the connection established using the low-power wide area network communication technology is successful first, the terminal device controls the low-power wide area network communication module to be in an operating state, and conversely, controls the cellular mobile communication module to be in the operating state, and subsequently, performs communication using the method of the above embodiment of the present application.
corresponding to the embodiment of the working state switching method, the application also provides an embodiment of a working state switching device.
the embodiment of the working state switching device can be applied to terminal equipment. The device embodiments may be implemented by software, or by hardware, or by a combination of hardware and software. Taking a software implementation as an example, the apparatus in a logical sense is formed by the processor 10 of the terminal device where the apparatus is located reading the corresponding computer program instructions in the non-volatile memory 50 into the memory 40 for operation. From a hardware aspect, as shown in fig. 7, it is a hardware structure diagram of a terminal device where the working state switching device 60 is located in the present application, except for the processor 10, the internal bus 20, the network interface 30, the memory 40, and the nonvolatile memory 50 shown in fig. 7, the terminal device where the device is located in the embodiment may also include other hardware according to the actual function of the terminal device, which is not described again.
Referring to fig. 8, the working state switching device 60 according to the embodiment of the present application includes: a receiving module 601 and a control module 602, wherein:
The receiving module 601 is configured to receive an instruction sent by a cloud;
The control module 602 is configured to, when the low-power wan communication module is in a working state and the cellular mobile communication module is in a dormant state, wake up the cellular mobile communication module to initiate connection to the cellular mobile communication base station after the receiving module 601 receives a first wake-up instruction sent by the cloud, and control the cellular mobile communication module to switch to the working state and control the low-power wan communication module to switch to the dormant state after the cellular mobile communication module is successfully connected; the first awakening instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment and/or communication quality parameters of communication between the terminal equipment and the low-power wide area network communication base station; and the low-power wide area network communication module is also used for waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station when the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, controlling the low-power wide area network communication module to be switched to the working state and controlling the cellular mobile communication module to be switched to the dormant state after the low-power wide area network communication module is successfully connected.
The first awakening instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment;
The control module 602 is specifically configured to wake up the low power wan communication module to initiate a connection to the low power wan communication base station by: and after receiving a second wake-up instruction sent by the cloud, waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station, wherein the second wake-up instruction is sent when the cloud determines that the terminal equipment is suitable for data communication by using a low-power wide area network communication technology according to the position of the terminal equipment.
As shown in fig. 8, the operating state switching device 60 further includes: a first sending module 603, configured to report the location of the terminal device to the cloud, so that the cloud performs the following specific steps: judging whether the terminal equipment is in a signal coverage range of a low-power wide area network communication base station or not according to the current position of the terminal equipment, if the judgment results of N times of continuous times are negative, determining that the terminal equipment is not suitable for using the low-power wide area network communication technology to carry out data communication, sending a first awakening instruction to the terminal equipment, if the judgment results of N times of continuous times are positive, determining that the terminal equipment is suitable for using the low-power wide area network communication technology to carry out data communication, and sending a second awakening instruction to the terminal equipment, wherein N is larger than 1.
The control module 602 is further configured to, if the low-power wan communication module fails to initiate a connection for M consecutive times, control the low-power wan communication module to enter a sleep state, and notify the cloud, so that the cloud stops executing the specific step, and then executes the specific step after waiting for a predetermined time, where M is greater than 1.
The first awakening instruction is sent when the terminal device is determined to be not suitable for data communication by using a low-power wide area network communication technology according to communication quality parameters of the terminal device and the low-power wide area network communication base station;
The control module 602 is specifically configured to wake up the low-power wan communication module to initiate connection to the low-power wan communication base station in the following manner, and after the low-power wan communication module is successfully connected, control the low-power wan communication module to switch to a working state, and control the cellular mobile communication module to switch to a dormant state: waking up the low-power wide area network communication module according to a preset period to initiate connection to a low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, if a switching instruction sent by a cloud terminal is received, controlling the low-power wide area network communication module to be switched to a working state and controlling the cellular mobile communication module to be switched to a dormant state; the switching instruction is sent when the cloud determines that the terminal device is suitable for data communication by using a low-power wide area network communication technology according to communication quality parameters of communication between the terminal device and the low-power wide area network communication base station.
the control module 602 is further configured to, after the low-power wan communication module initiates a successful connection, if a disconnection instruction sent by the cloud is received, control the low-power wan communication module to disconnect the connection, stop waking up the low-power wan communication module according to a predetermined period, and after waiting for a predetermined time, wake up the low-power wan communication module again according to the predetermined period, where the disconnection instruction is sent by the cloud when it is determined that the terminal device is not suitable for performing data communication using a low-power wan communication technology.
As shown in fig. 8, the operating state switching device 60 further includes: a second sending module 604, configured to report, to the cloud, a communication quality parameter of communication between the terminal device and the low-power wan communication base station, so that the cloud performs the following steps:
After the fact that the terminal equipment is successfully connected with the low-power wide area network communication base station through the low-power wide area network communication module is known, whether the current communication quality parameter reaches a first threshold value is judged;
If the first threshold value is reached, determining that the terminal equipment is suitable for performing data communication by using a low-power wide area network communication technology, sending a switching instruction to the terminal equipment, then judging whether the current communication quality parameter is lower than a second threshold value, if the current communication quality parameter is lower than the second threshold value, determining that the terminal equipment is not suitable for performing data communication by using the low-power wide area network communication technology, and sending a first awakening instruction to the terminal equipment; wherein the first threshold is greater than the second threshold;
And if the first threshold value is not reached, determining that the terminal equipment is not suitable for data communication by using the low-power wide area network communication technology, and sending a disconnection instruction to the terminal equipment.
In an actual implementation process, the first sending module and the second sending module may be deployed as two independent modules, or may be implemented by integrating the two independent modules into the same module, which is not limited in this embodiment of the present application.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (14)
1. a working state switching method is characterized in that a terminal device comprises: a low power wide area network communication module for communicating data using a low power wide area network communication technology, and a cellular mobile communication module for communicating data using a cellular mobile communication technology, the method being applied to the terminal device, the method comprising:
when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, after a first awakening instruction sent by a cloud terminal is received, the cellular mobile communication module is awakened to initiate connection to a cellular mobile communication base station, and after the cellular mobile communication module is successfully connected, the cellular mobile communication module is controlled to be switched to the working state and the low-power wide area network communication module is controlled to be switched to the dormant state; the first wake-up instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using the low-power wide area network communication technology according to the position of the terminal equipment and/or the communication quality parameter of the communication between the terminal equipment and the low-power wide area network communication base station;
When the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, controlling the low-power wide area network communication module to be switched to the working state and controlling the cellular mobile communication module to be switched to the dormant state.
2. The method of claim 1, wherein the first wake-up instruction is sent by the cloud when the terminal device is determined to be unsuitable for data communication using the low-power wide area network communication technology according to the location of the terminal device;
Waking up the low-power wan communication module to initiate connection to the low-power wan communication base station, specifically including: and after receiving a second wake-up instruction sent by the cloud, waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station, wherein the second wake-up instruction is sent when the cloud determines that the terminal device is suitable for data communication by using the low-power wide area network communication technology according to the position of the terminal device.
3. The method of claim 2, further comprising:
Reporting the position of the terminal equipment to the cloud end so that the cloud end executes the following specific steps: judging whether the terminal equipment is in a signal coverage range of the low-power wide area network communication base station or not according to the current position of the terminal equipment, if the judgment results of N times of succession are negative, determining that the terminal equipment is not suitable for using the low-power wide area network communication technology to carry out data communication, sending the first awakening instruction to the terminal equipment, if the judgment results of N times of succession are positive, determining that the terminal equipment is suitable for using the low-power wide area network communication technology to carry out data communication, and sending the second awakening instruction to the terminal equipment, wherein N is larger than 1.
4. the method of claim 3, further comprising:
If the low-power wide area network communication module fails to initiate connection for M times continuously, controlling the low-power wide area network communication module to enter a sleep state, and informing the cloud end to stop executing the specific step, and executing the specific step after waiting for a preset time, wherein M is greater than 1.
5. the method of claim 1, wherein the first wake-up instruction is sent by the cloud when the terminal device is determined to be unsuitable for data communication using the low-power wide area network communication technology according to a communication quality parameter of the terminal device in communication with the low-power wide area network communication base station;
waking up the low-power wan communication module to initiate connection to the low-power wan communication base station, and after the low-power wan communication module is successfully connected, controlling the low-power wan communication module to switch to a working state and controlling the cellular mobile communication module to switch to a dormant state, specifically including: waking up the low-power wide area network communication module according to a preset period to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, if a switching instruction sent by the cloud is received, controlling the low-power wide area network communication module to be switched into a working state and controlling the cellular mobile communication module to be switched into a dormant state; the switching instruction is sent when the cloud end determines that the terminal equipment is suitable for data communication by using the low-power wide area network communication technology according to the communication quality parameter of the communication between the terminal equipment and the low-power wide area network communication base station.
6. The method of claim 5, further comprising, after the connection initiation by the low-power wide area network communication module is successful:
And if a disconnection instruction sent by the cloud is received, controlling the low-power wide area network communication module to disconnect the connection, stopping waking up the low-power wide area network communication module according to a preset period, and waking up the low-power wide area network communication module again according to the preset period after waiting for preset time, wherein the disconnection instruction is sent by the cloud when the terminal equipment is determined not to be suitable for data communication by using the low-power wide area network communication technology.
7. The method of claim 6,
Reporting communication quality parameters of communication between the terminal equipment and the low-power wide area network communication base station to the cloud end so that the cloud end executes the following steps:
After the fact that the terminal equipment is successfully connected with the low-power wide area network communication base station through the low-power wide area network communication module is known, whether the current communication quality parameter reaches a first threshold value is judged;
If the first threshold is reached, determining that the terminal equipment is suitable for performing data communication by using the low-power wide area network communication technology, sending the switching instruction to the terminal equipment, then judging whether the current communication quality parameter is lower than a second threshold, if the current communication quality parameter is lower than the second threshold, determining that the terminal equipment is not suitable for performing data communication by using the low-power wide area network communication technology, and sending the first wake-up instruction to the terminal equipment; wherein the first threshold is greater than the second threshold;
and if the first threshold value is not reached, determining that the terminal equipment is not suitable for data communication by using the low-power wide area network communication technology, and sending the disconnection instruction to the terminal equipment.
8. An operating state switching device, characterized in that, the terminal device includes: a low power wide area network communication module for communicating data using a low power wide area network communication technology, and a cellular mobile communication module for communicating data using a cellular mobile communication technology, the apparatus being applied to the terminal device, the apparatus comprising:
The receiving module is used for receiving an instruction sent by the cloud;
The control module is used for waking up the cellular mobile communication module to initiate connection to a cellular mobile communication base station after the receiving module receives a first wake-up instruction sent by the cloud when the low-power wide area network communication module is in a working state and the cellular mobile communication module is in a dormant state, and controlling the cellular mobile communication module to be switched to the working state and the low-power wide area network communication module to be switched to the dormant state after the cellular mobile communication module is successfully connected; the first wake-up instruction is sent when the cloud end determines that the terminal equipment is not suitable for data communication by using the low-power wide area network communication technology according to the position of the terminal equipment and/or the communication quality parameter of the communication between the terminal equipment and the low-power wide area network communication base station; and when the cellular mobile communication module is in a working state and the low-power wide area network communication module is in a dormant state, waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, controlling the low-power wide area network communication module to be switched to the working state and controlling the cellular mobile communication module to be switched to the dormant state.
9. The apparatus of claim 8, wherein the first wake-up instruction is sent by the cloud when the terminal device is determined to be unsuitable for data communication using the low-power wide area network communication technology according to the location of the terminal device;
the control module is specifically configured to wake up the low-power wan communication module to initiate a connection to the low-power wan communication base station by: and after receiving a second wake-up instruction sent by the cloud, waking up the low-power wide area network communication module to initiate connection to the low-power wide area network communication base station, wherein the second wake-up instruction is sent when the cloud determines that the terminal device is suitable for data communication by using the low-power wide area network communication technology according to the position of the terminal device.
10. The apparatus of claim 9, further comprising:
a first sending module, configured to report the location of the terminal device to the cloud, so that the cloud performs the following specific steps: judging whether the terminal equipment is in a signal coverage range of the low-power wide area network communication base station or not according to the current position of the terminal equipment, if the judgment results of N times of succession are negative, determining that the terminal equipment is not suitable for using the low-power wide area network communication technology to carry out data communication, sending the first awakening instruction to the terminal equipment, if the judgment results of N times of succession are positive, determining that the terminal equipment is suitable for using the low-power wide area network communication technology to carry out data communication, and sending the second awakening instruction to the terminal equipment, wherein N is larger than 1.
11. The apparatus of claim 10,
The control module is further configured to control the low-power wan communication module to enter a sleep state and notify the cloud to stop the cloud from executing the specific step if the low-power wan communication module fails to initiate a connection for M consecutive times, and execute the specific step after waiting for a predetermined time, where M is greater than 1.
12. The apparatus of claim 8, wherein the first wake-up instruction is sent by the cloud when the terminal device is determined to be unsuitable for data communication using the low-power wide area network communication technology according to a communication quality parameter of the terminal device in communication with the low-power wide area network communication base station;
The control module is specifically configured to wake up the low-power wan communication module to initiate connection to the low-power wan communication base station in the following manner, and after the low-power wan communication module is successfully connected, control the low-power wan communication module to switch to a working state, and control the cellular mobile communication module to switch to a dormant state: waking up the low-power wide area network communication module according to a preset period to initiate connection to the low-power wide area network communication base station, and after the low-power wide area network communication module is successfully connected, if a switching instruction sent by the cloud is received, controlling the low-power wide area network communication module to be switched into a working state and controlling the cellular mobile communication module to be switched into a dormant state; the switching instruction is sent when the cloud end determines that the terminal equipment is suitable for data communication by using the low-power wide area network communication technology according to the communication quality parameter of the communication between the terminal equipment and the low-power wide area network communication base station.
13. The apparatus of claim 12,
The control module is further configured to, after the low-power wan communication module initiates a successful connection, if a disconnection instruction sent by the cloud is received, control the low-power wan communication module to disconnect the connection, stop waking up the low-power wan communication module according to a predetermined cycle, and after waiting for a predetermined time, wake up the low-power wan communication module again according to the predetermined cycle, where the disconnection instruction is sent by the cloud when it is determined that the terminal device is not suitable for performing data communication using the low-power wan communication technology.
14. the apparatus of claim 13, further comprising:
A second sending module, configured to report, to the cloud, a communication quality parameter of communication between the terminal device and the low-power wide area network communication base station, so that the cloud performs the following steps:
After the fact that the terminal equipment is successfully connected with the low-power wide area network communication base station through the low-power wide area network communication module is known, whether the current communication quality parameter reaches a first threshold value is judged;
If the first threshold is reached, determining that the terminal equipment is suitable for performing data communication by using the low-power wide area network communication technology, sending the switching instruction to the terminal equipment, then judging whether the current communication quality parameter is lower than a second threshold, if the current communication quality parameter is lower than the second threshold, determining that the terminal equipment is not suitable for performing data communication by using the low-power wide area network communication technology, and sending the first wake-up instruction to the terminal equipment; wherein the first threshold is greater than the second threshold;
And if the first threshold value is not reached, determining that the terminal equipment is not suitable for data communication by using the low-power wide area network communication technology, and sending the disconnection instruction to the terminal equipment.
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| CN106131905A (en) * | 2016-08-30 | 2016-11-16 | 苏州寻息电子科技有限公司 | A kind of base station switch method in low-power consumption indoor and outdoor location technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11844001B2 (en) | 2020-08-20 | 2023-12-12 | Ip Co., Llc | Asset tracking systems and methods |
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