CN110972242B - Narrow-band Internet of things communication system based on honeycomb - Google Patents
Narrow-band Internet of things communication system based on honeycomb Download PDFInfo
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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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
- H04W52/0232—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal according to average transmission signal activity
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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 discloses various communication systems of a narrow-band Internet of things based on honeycomb, wherein one of the communication systems comprises: a user terminal and a data receiving device; the user terminal comprises a first chip of a narrow-band Internet of things based on honeycomb and a data caching module; the data receiving equipment is used for continuously sending a data reading request to the outside in a signal coverage range; the user terminal is used for extracting communication data from a data cache module and sending the communication data to the data receiving equipment when the user terminal is positioned in the signal coverage range and receives the data reading request; the communication data is data updated by the data cache module when the first chip of the cellular-based narrowband Internet of things of the user terminal is switched from a sleep mode to a communication mode. By adopting the embodiment of the invention, the data of communication can be ensured to be accessible.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a communication system of a narrow-band Internet of things based on honeycomb.
Background
The internet of things means that various devices with certain sensing, calculating, executing and communication capabilities are deployed to acquire information of a physical world, and information transmission, cooperation and processing are realized through a network, so that a network for interconnecting people and objects and for interconnecting objects and things is realized. In short, the internet of things is to realize interconnection and intercommunication between people and objects. The application of the system comprises various aspects such as a smart power grid, smart agriculture, smart traffic, environment detection and the like. The development of the internet of things is known as the third wave of the information industry following computers and the internet, is expected to be greatly pursued and valued by research institutions and the industry, and meanwhile, the standardization work of the related technology of the internet of things is started by related standard organizations.
NB-IOT (Narrow Band Internet of Things) technology, as a communication technology for the Internet of Things, is an emerging wide area network transmission technology, and compared with the traditional wireless wide area network transmission technology (2G/3G/4G), the technology has the advantages of deep coverage, low power consumption/long standby of a user terminal (the standby time of an NB-IoT chip can be as long as 10 years), large-scale connection, ultra-low cost of hardware and the like. However, the inherent design of NB-IOT with low Power consumption and low cost is based on the technology of PSM (Power Saving Mode) and eDRX (Enhanced Discontinuous Reception), and has the attributes of deep sleep and long sleep, so that the signaling is not reachable at any time and the communication delay is long.
Disclosure of Invention
The embodiment of the invention provides a communication system of a narrow-band Internet of things based on honeycomb from multiple aspects, and communication data can be ensured to be accessible.
In a first aspect, an embodiment of the present invention provides a communication system of a narrowband internet of things based on a cell, including: a user terminal and a data receiving device; the user terminal comprises a first chip of a narrow-band Internet of things based on honeycomb and a data caching module;
the data receiving equipment is used for continuously sending data reading requests outwards in a signal coverage range;
the user terminal is used for extracting communication data from a data cache module and sending the communication data to the data receiving equipment when the user terminal is positioned in the signal coverage range and receives the data reading request; the communication data is data which is updated by the data cache module when a first chip of the cellular-based narrowband Internet of things of the user terminal is switched from a sleep mode to a communication mode;
the first chip switches a sleep mode and a communication mode through timing wake-up; the timed wake-up specifically comprises:
controlling the first chip to be switched into a communication mode from a sleep mode if the accumulated time of the first chip in the sleep mode is longer than the sleep time; when the time length of the first chip in the communication mode is accumulated to be longer than the active time length and the user terminal is communicating with the outside, the first chip is controlled to be switched into the sleep mode from the communication mode after the two sides complete the whole complete communication process; and controlling the first chip to be switched from the communication mode to the sleep mode if the accumulated time of the first chip in the communication mode is longer than the active time and the user terminal is not in communication with the outside.
Further, the user terminal further comprises a wireless wake-up circuit and a communication front end, wherein,
the wireless wake-up circuit is configured to continuously receive the data reading request when the user terminal is located within the signal coverage range, trigger generation of a wake-up signal, and transmit the wake-up signal to the communication front end;
the communication front end is used for switching from a sleep mode to a communication mode when receiving the wake-up signal, extracting communication data from the data cache module and sending the communication data to the data receiving equipment.
Still further, the communication mode of the communication front end and the outside world is a wireless communication mode, and the wireless communication processing mode comprises an active or passive radio frequency tag, wireless pulse or infrared rays;
still further, the communication system further comprises a cloud computing server;
the first chip is further used for transmitting the communication data to the cloud computing server when the sleep mode is switched to the communication mode.
In a second aspect, an embodiment of the present invention provides a communication system based on a cellular narrowband internet of things, including: a user terminal and a data receiving device; the user terminal comprises a first chip of a narrow-band Internet of things based on honeycomb and a wireless wake-up circuit;
the data receiving equipment is used for continuously sending data reading requests outwards in a signal coverage range;
the wireless wake-up circuit is used for triggering and generating a wake-up signal when receiving the data reading request and transmitting the wake-up signal to the first chip when the user terminal is located in the signal coverage range;
the first chip is used for switching from a sleep mode to a communication mode when receiving the wake-up signal, extracting communication data according to the data reading request and transmitting the communication data to the data receiving equipment; the communication data is data which is updated by the data cache module of the user terminal when the first chip of the cellular-based narrowband Internet of things of the user terminal is switched from the sleep mode to the communication mode.
Further, the data receiving device comprises a second chip of the cellular-based narrowband internet of things; the second chip is in a state of communication mode.
Still further, the communication system further comprises a cloud computing server;
the first chip is further used for transmitting the communication data to the cloud computing server when the sleep mode is switched to the communication mode.
In a third aspect, the present invention provides a communication system of a narrowband internet of things based on a cell, including: the system comprises a user terminal, data receiving equipment and a cloud computing server; the user terminal comprises a timing awakening module and a first chip of the narrow-band Internet of things based on the honeycomb;
the timing awakening module of the user terminal is used for controlling the first chip to be switched into the communication mode from the sleep mode when the accumulated time length of the first chip in the sleep mode is longer than the sleep time length, and controlling the first chip to be switched into the sleep mode from the communication mode only when the two parties finish the whole complete communication process when the accumulated time length of the first chip in the communication mode is longer than the active time length and the user terminal is communicating with the outside; when the accumulated duration of the first chip in the communication mode is longer than the active duration and the user terminal is not communicating with the outside, controlling the first chip to be switched from the communication mode to the sleep mode;
the first chip of the user terminal is used for sending the communication data to the data receiving equipment and sending the position of the user terminal to the cloud computing server when the communication mode is switched to the communication mode, and updating the sleep time length and the active time length recorded by the timing awakening module according to the received sleep time length and the received active time length sent by the cloud computing server;
the data receiving device is used for receiving and processing the communication data sent by the user terminal;
the cloud computing server is used for computing the sleep duration and the active duration which need to be updated by the user terminal according to the time of receiving the position of the user terminal and the position of the user terminal, and the time of historically receiving the position of the user terminal, and sending the computed sleep duration and the computed active duration to the user terminal.
Further, the first chip of the user terminal is further configured to send the communication data to the cloud computing server when switching to the communication mode.
The communication system of the narrow-band Internet of things based on the honeycomb, which is provided by the embodiment of the invention, provides a wakeup mechanism for a chip of the narrow-band Internet of things based on the honeycomb, which is arranged in a user terminal, and controls the chip of the narrow-band Internet of things based on the honeycomb to be converted into a communication mode from a sleep mode to work when data needs to be transmitted with data receiving equipment, so that the communication data can be reached at any time; in addition, after the user terminal completes communication, the chip for controlling the narrow-band Internet of things based on the honeycomb is switched from a communication mode to a sleep mode, and the characteristic of low power consumption is kept.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a communication system of a narrow-band internet of things based on cellular provided by the invention;
fig. 2 is a schematic structural diagram of another embodiment of a communication system of a narrow-band internet of things based on cellular provided by the invention;
fig. 3 is a schematic structural diagram of a communication system of a cellular-based narrowband internet of things provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, it is a schematic structural diagram of an embodiment of a communication system of a narrowband internet of things based on cellular according to the present invention.
In a first aspect, an embodiment of the present invention provides a communication system of a narrowband internet of things based on a cell, including: a user terminal 10 and a data receiving apparatus 20; the user terminal 10 comprises a first chip 11 (NB-IOT chip) of a cellular-based narrowband Internet of things and a data caching module 12;
the data receiving device 20 is configured to continuously send a data reading request to the outside in a signal coverage range;
the user terminal 10 is configured to, when the user terminal 10 is located in the signal coverage area and receives the data reading request, extract communication data from the data caching module 12 and send the communication data to the data receiving device; wherein the communication data is data updated by the data caching module 12 when the first chip 11 of the cellular-based narrowband internet of things of the user terminal 10 is switched from the sleep mode to the communication mode.
It should be noted that the first chip may periodically switch from the sleep mode to the communication mode to update the communication data of the data caching module, and after the update is completed, switch from the current communication mode to the sleep mode. The user terminal is within the signal coverage of the data receiving device to receive a data read request, preferably the data read request is a radio signal. The radio signal may be, but is not limited to, a wireless pulse signal, an infrared signal, or a radio frequency signal. I.e. the communication distance of the user terminal to the data receiving device is relatively short, e.g. within 500 meters.
Further, the user terminal 10 further comprises a wake-on-air circuit 13 and a communication front-end 14, wherein,
the wireless wake-up circuit 13 is configured to continuously receive the data reading request when the user terminal is located within the signal coverage range, trigger generation of a wake-up signal, and transmit the wake-up signal to the communication front end;
the communication front end 14 is configured to switch from a sleep mode to a communication mode when receiving the wake-up signal, extract communication data from the data buffering module 12, and send the communication data to the data receiving device 20.
Further, the communication front end 14 performs data communication with the data receiving device 20 in a wireless communication manner, the wireless communication manner includes but is not limited to wireless pulse, infrared or radio frequency RFID, preferably radio frequency RFID communication, and further, the radio frequency RFID includes a passive RIFD and an active RFID, where the passive RFID has an attribute that an external power supply is not needed but a communication distance is very short (generally less than 50 cm), and the active RFID has an attribute that a communication distance is longer but an external power supply is needed.
It should be noted that, after continuously receiving a radio signal (data reading request) and accumulating a certain amount of energy, the wireless wakeup module generates a direct current or a pulse voltage to trigger generation of a wakeup signal (which may be an interrupt or reset signal), and further wakes up and activates the communication front end, triggers the communication front end to enter a communication mode, extracts communication data from the data cache module, and communicates with the data receiving device; and after the communication is completed, the communication front end performs the sleep mode again.
Still further, the communication system further includes a cloud computing server 30;
the first chip 11 is further configured to transmit the communication data to the cloud computing server 30 when switching from the sleep mode to the communication mode; it should be noted that, the first chip 11 and the cloud computing server may also perform data communication of a specific service, where the specific service data includes, but is not limited to, the communication data.
According to the communication system of the narrow-band Internet of things based on the honeycomb, provided by the embodiment of the invention, the data cache module is arranged, and the chip of the narrow-band Internet of things based on the honeycomb updates the communication data of the data cache module in advance when being in the communication mode, so that the communication data can be directly extracted from the data cache module to the data receiving equipment when the user terminal can receive a data reading request, the problem that the chip of the narrow-band Internet of things based on the honeycomb cannot transmit the communication data to the data receiving equipment when being in the sleep mode is avoided, and the communication data can be ensured to be accessible at any time.
Example two
Fig. 2 is a schematic structural diagram of another embodiment of the communication system based on a cellular narrowband internet of things provided by the present invention. The communication system includes: a user terminal 10 and a data receiving apparatus 20; the user terminal 10 comprises a first chip 11 of a cellular-based narrowband internet of things and a wireless wake-up circuit 13;
the data receiving device 20 is configured to continuously send a data reading request to the outside in a signal coverage range;
the wireless wake-up circuit 13 is configured to trigger generation of a wake-up signal when receiving the data reading request and transmitting the wake-up signal to the first chip 11 when the user terminal 10 is located within the signal coverage range;
the first chip 11 is configured to switch from a sleep mode to a communication mode when receiving the wake-up signal, extract data according to the data read request, and transmit the data to the data receiving device 20.
It should be noted that the data read request of the present embodiment is preferably a radio signal. The radio signal may be, but is not limited to, a wireless pulse signal, an infrared signal, or a radio frequency signal. I.e. the communication distance of the user terminal 10 and the data reception device 20 is relatively short, e.g. within 500 meters. Since the first chip 11 of the narrowband internet of things based on the cellular is directly awakened to communicate in the embodiment, complex dynamic communication interaction with the data receiving device 20 can be performed.
Further, the data receiving device 20 includes a second chip 21 of a cellular-based narrowband internet of things; the second chip 21 is in a state of a communication mode.
It should be noted that, since the first chip 11 of the narrowband internet of things based on the cellular is directly awakened for communication, in order to facilitate complex dynamic communication interaction, the data receiving device 20 also needs to be provided with the second chip 21 of the narrowband internet of things based on the cellular, and the second chip 21 does not require energy saving and can be continuously in the communication mode.
Still further, the communication system further includes a cloud computing server 30;
the first chip 11 is further configured to transmit the communication data to the cloud computing server 30 when switching from the sleep mode to the communication mode; it should be noted that, the first chip 11 and the cloud computing server may further perform data communication of a specific service, where the specific service data includes, but is not limited to, the communication data.
According to the communication system of the narrow-band Internet of things based on the honeycomb, the wireless wake-up circuit is provided for the user terminal, and when a data reading request is received, the chip of the narrow-band Internet of things based on the honeycomb is directly woken up to communicate with the data receiving module, so that the communication data can be ensured to be accessible at any time; in addition, after the user terminal completes communication, the chip for controlling the narrow-band Internet of things based on the honeycomb is switched from a communication mode to a sleep mode, and the characteristic of low power consumption is kept.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a communication system of a narrowband internet of things based on a cell according to still another embodiment of the present invention. The communication system includes: a user terminal 10, a data receiving device 20, and a cloud computing server 30; the user terminal 10 comprises a timing wake-up module 15 and a first chip 11 of a narrow-band cellular-based internet of things;
the timing wake-up module 15 of the user terminal 10 is configured to control the first chip 11 to switch from the sleep mode to the communication mode when the accumulated time length that the first chip 11 is in the sleep mode is longer than a set sleep time length, and control the first chip 11 to switch from the communication mode to the sleep mode only when the two parties complete a whole complete communication process when the accumulated time length that the first chip 11 is in the communication mode is longer than an active time length and the user terminal 10 is communicating with the outside; when the accumulated duration of the first chip 11 in the communication mode is longer than the active duration and the user terminal 10 is not communicating with the outside, controlling the first chip 11 to switch from the communication mode to the sleep mode; this control signal may be an interrupt or reset signal.
It should be noted that the operation of the timed wake-up module 15 requires 2 parameters, i.e., sleep duration and active duration, which are externally set, and the 2 parameters may be calculated by the cloud computing server 30 according to the change of the service logic parameters of the user terminal 10 and the data receiving device 20, according to an agreed rule algorithm, where the service logic parameters include, but are not limited to, a position, a distance, and a moving speed.
The first chip 11 of the user terminal 10 is configured to, when switching to the communication mode, send the communication data to the data receiving device 20, send the service logic parameter of the current state of the user terminal 10 to the cloud computing server 30, and update the sleep duration and the active duration recorded by the timed wake-up module according to the received sleep duration and the received active duration sent by the cloud computing server 30;
the data receiving device 20 is configured to receive and process communication data sent by the user terminal 10;
the cloud computing server 30 is configured to compute a sleep duration and an active duration that the user terminal 10 needs to be updated according to the received service logic parameter of the user terminal 10 and the service logic parameter that is historically received by the user terminal 10, and send the computed sleep duration and active duration to the user terminal 10.
Further, the first chip 11 of the user terminal 10 is further configured to send the communication data to the cloud computing server 30 when switching to the communication mode.
It should be noted that the present embodiment is applied to the situation that the user terminal 10 moves to work, communicates with the corresponding data receiving device 20, and is located in a position that is not guaranteed to fall within the short-distance signal coverage of the data receiving device 20.
Example four
Fig. 3 is a schematic structural diagram of a communication system of a narrowband internet of things based on a cell according to still another embodiment of the present invention. The communication system includes: a user terminal 10, a data receiving device 20, and a cloud computing server 30; the user terminal 10 comprises a timing wake-up module 15 and a first chip 11 of a narrow-band cellular-based internet of things;
the timing wake-up module 15 of the user terminal 10 is configured to control the first chip 11 to switch from the sleep mode to the communication mode when a duration of the first chip 11 in the sleep mode is longer than a set sleep duration; when the accumulated duration of the first chip 11 in the communication mode is longer than the active duration and the user terminal 10 is communicating with the outside, the first chip 11 is controlled to be switched from the communication mode to the sleep mode only when the two parties complete the whole complete communication process; when the accumulated duration of the first chip 11 in the communication mode is longer than the active duration and the user terminal 10 is not communicating with the outside, controlling the first chip 11 to switch from the communication mode to the sleep mode; this control signal may be an interrupt or reset signal.
The first chip 11 of the user terminal 10 is configured to, when switching to the communication mode, send the communication data to the data receiving device 20, send the location of the user terminal 10 to the cloud computing server 30, and update the sleep duration and the active duration recorded by the timing wakeup module according to the received sleep duration and the received active duration sent by the cloud computing server 30;
the data receiving device 20 is configured to receive and process communication data sent by the user terminal 10;
the cloud computing server 30 is configured to compute a sleep duration and an active duration that the user terminal 10 needs to be updated according to the location where the user terminal 10 is received, the time when the location where the user terminal 10 is received, and the time when the location where the user terminal 10 is historically received, and send the computed sleep duration and active duration to the user terminal 10.
Further, the first chip 11 of the user terminal 10 is further configured to send the communication data to the cloud computing server 30 when switching to the communication mode.
It should be noted that the present embodiment is applied to the case where the user terminal 10 moves to work, and both positions moved by the user terminal fall within the signal coverage of different data receiving devices 20, respectively, and communicate with the corresponding data receiving devices 20, respectively.
In addition, the user terminal 10 may also send the location of the user terminal 10 to the data receiving device 20, then the data receiving device 20 calculates the sleep duration and the active duration that the user terminal 10 needs to be updated according to the location of the user terminal 10 and the time of receiving the location of the user terminal 10, as well as the location of the user terminal 10 and the time of historically receiving the location of the user terminal 10, and then the data receiving device 20 sends the calculated sleep duration and active duration to the user terminal 10, or the data receiving device 20 sends the calculated sleep duration and active duration to the cloud computing server 30 for storage, and forwards the storage to the user terminal 10.
According to the communication system of the narrow-band internet of things based on the honeycomb, provided by the embodiment of the invention, the sleep time and the active time of the first chip of the narrow-band internet of things based on the honeycomb of the user terminal, which are required to be spaced, are calculated according to the position and the time when the user terminal moves through the data receiving equipment, the first chip is controlled to work in a timing mode, the first chip can be ensured to be in a communication mode when the first chip needs to transmit data with the data receiving equipment, the communication with the data receiving equipment can be carried out, and the situation that signaling is inaccessible is avoided.
According to the communication system of the narrow-band internet of things based on the honeycomb, provided by the embodiment of the invention, the sleep time and the active time which are required by the first chip of the narrow-band internet of things based on the honeycomb of the user terminal are calculated according to the service logic parameters of the user terminal and the data receiving equipment, the first chip is controlled to work at regular time, the first chip can be ensured to be in a communication mode when data are required to be transmitted with the data receiving equipment, the communication with the data receiving equipment can be realized, and the condition that signaling is inaccessible is avoided.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A communication system of a narrow-band Internet of things based on a honeycomb is characterized by comprising: a user terminal and a data receiving device; the user terminal comprises a first chip of a narrow-band Internet of things based on honeycomb and a data caching module;
the data receiving equipment is used for continuously sending a data reading request to the outside in a signal coverage range;
the user terminal is used for extracting communication data from a data cache module and sending the communication data to the data receiving equipment when the user terminal is positioned in the signal coverage range and receives the data reading request; the communication data is data which is updated by the data cache module when a first chip of the cellular-based narrowband Internet of things of the user terminal is switched from a sleep mode to a communication mode;
the first chip switches a sleep mode and a communication mode through timing wake-up; the timed wake-up specifically comprises:
when the accumulated time of the first chip in the sleep mode is longer than the sleep time, controlling the first chip to be switched to a communication mode from the sleep mode; when the time length of the first chip in the communication mode is accumulated to be longer than the active time length and the user terminal is communicating with the outside, the first chip is controlled to be switched into the sleep mode from the communication mode after the two sides complete the whole complete communication process; and controlling the first chip to be switched from the communication mode to the sleep mode if the accumulated time length of the first chip in the communication mode is longer than the active time length and the user terminal is not in communication with the outside.
2. The cellular narrowband internet of things based communication system of claim 1, wherein the user terminal further comprises a wireless wake-up circuit and a communication front-end, wherein,
the wireless wake-up circuit is configured to continuously receive the data reading request when the user terminal is located within the signal coverage range, trigger generation of a wake-up signal, and transmit the wake-up signal to the communication front end;
and the communication front end is used for switching from a sleep mode to a communication mode when receiving the wake-up signal, extracting communication data from the data cache module and sending the communication data to the data receiving equipment.
3. The communication system based on the cellular narrowband internet of things of claim 2, wherein the communication mode of the communication front end and the outside world is a wireless communication mode, and the wireless communication processing mode comprises an active or passive radio frequency tag, wireless pulse or infrared ray; the data read request is a radio signal.
4. The cellular-based narrowband internet of things communication system of claim 1, further comprising a cloud computing server;
the first chip is further used for transmitting the communication data to the cloud computing server when the sleep mode is switched to the communication mode.
5. A communication system for a narrowband internet of things based on a cell, comprising: a user terminal and a data receiving device; the user terminal comprises a first chip of a narrow-band Internet of things based on honeycomb and a wireless wake-up circuit;
the data receiving equipment is used for continuously sending data reading requests outwards in a signal coverage range;
the wireless wake-up circuit is used for triggering and generating a wake-up signal when receiving the data reading request and transmitting the wake-up signal to the first chip when the user terminal is located in the signal coverage range;
the first chip is used for switching from a sleep mode to a communication mode when receiving the wake-up signal, extracting communication data according to the data reading request and transmitting the communication data to the data receiving equipment; the communication data is data which is updated by a data cache module of the user terminal when the first chip of the cellular-based narrowband Internet of things of the user terminal is switched from a sleep mode to a communication mode;
the first chip switches a sleep mode and a communication mode through a timing wake-up module; the timing awakening module is used for accumulating the time length of the first chip in the sleep mode to be longer than the sleep time length and controlling the first chip to be switched into the communication mode from the sleep mode; accumulating the time length of the first chip in the communication mode to be longer than the active time length, and controlling the first chip to be switched into the sleep mode after the two sides complete the whole complete communication process when the user terminal is in communication with the outside; and controlling the first chip to be switched from the communication mode to the sleep mode if the accumulated time length of the first chip in the communication mode is longer than the active time length and the user terminal is not in communication with the outside.
6. The cellular-based narrowband internet of things communication system of claim 5, wherein the data receiving device comprises a second chip of a cellular-based narrowband internet of things; the second chip is in a state of communication mode.
7. The cellular-based narrowband internet of things communication system of claim 6, wherein the communication system further comprises a cloud computing server;
the first chip is further used for transmitting the communication data to the cloud computing server when the sleep mode is switched to the communication mode.
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| CN110972242A (en) | 2020-04-07 |
| CN106413061B (en) | 2019-12-27 |
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