CN114070347A - LoRa communication method and device - Google Patents
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- CN114070347A CN114070347A CN202010739759.7A CN202010739759A CN114070347A CN 114070347 A CN114070347 A CN 114070347A CN 202010739759 A CN202010739759 A CN 202010739759A CN 114070347 A CN114070347 A CN 114070347A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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
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- 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 application provides a loRa communication method, is applied to loRa communication chip, loRa communication chip includes the second control chip that is used for controlling the first control chip of transceiver and is used for controlling the treater, loRa communication method includes: detecting a working mode signal; indicating the LoRa communication chip to enter a corresponding working mode according to the detected working mode signal; and starting or closing the first control chip and/or starting or closing the second control chip according to the corresponding working mode. The present application further provides an apparatus. The LoRa communication chip can be instructed to enter a corresponding working mode, the working states of the transceiver and the processor are controlled, and power consumption is reduced.
Description
Technical Field
The present application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for LoRa communication.
Background
The scene of realizing duplex data transmission in a longer distance is very common, and the traditional solution scheme usually adopts a wired transmission mode, but the cost of wired transmission is high, the installation scene is limited, the construction time is longer, and the wireless data transmission device cannot be used in a large range. With the development of communication technology, wireless carrier communication technology has been widely applied to communication in various industries. Conventional wireless carrier communication techniques generally transmit a signal by modulating a carrier wave and then delivering the data to a server at a receiving end. Wireless communication systems are classified into two types according to communication distance, the first remote communication mode: general Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), and the like. Second near field communication method: violet peak (ZigBee), Long Range Radio (LoRa), etc. For the existing LoRa communication network, the power consumption is high, and the networking cost is high.
Disclosure of Invention
In view of the foregoing, there is a need for a LoRa communication method and apparatus that can provide more flexible operation modes and reduce power consumption.
An embodiment of the present application provides an LoRa communication method, which is applied to an LoRa communication chip, where the LoRa communication chip includes a first control chip for controlling a transceiver and a second control chip for controlling a processor, and the LoRa communication method includes:
detecting a working mode signal;
indicating the LoRa communication chip to enter a corresponding working mode according to the detected working mode signal;
and starting or closing the first control chip and/or starting or closing the second control chip according to the corresponding working mode.
As a preferred scheme, the starting or shutting down the first control chip and/or the starting or shutting down the second control chip according to the corresponding working mode includes:
when the LoRa communication chip enters a semi-monitoring mode, closing the second control chip;
and starting the first control chip to enable the LoRa communication chip to receive signals.
As a preferable scheme, the activating the first control chip so that the LoRa communication chip receives a signal includes:
controlling the first control chip to close a sending channel of the transceiver;
and controlling the first control chip to start a receiving channel of the transceiver, so that the LoRa communication chip receives signals.
As a preferable scheme, the controlling the first control chip to start the receiving channel of the transceiver, so that the receiving signal by the LoRa communication chip includes:
and controlling the first control chip to start or close a receiving channel of the transceiver at regular time according to a preset rule, so that the LoRa communication chip receives signals at regular time.
As a preferred scheme, the starting or closing of the first control chip and/or the starting or closing of the second control chip according to the corresponding working mode:
when the LoRa communication chip enters a sleep mode, closing the first control chip;
and starting the second control chip to enable the LoRa communication chip to receive a processing signal.
As a preferred scheme, the starting or shutting down the first control chip and/or the starting or shutting down the second control chip according to the corresponding working mode includes:
when the LoRa communication chip enters a monitoring mode, the first control chip is started, so that the LoRa communication chip sends signals or receives signals.
As a preferred scheme, the starting or shutting down the first control chip and/or the starting or shutting down the second control chip according to the corresponding working mode includes:
when the LoRa communication chip enters a sending mode, the first control chip is started, so that the LoRa communication chip can send signals and receive signals simultaneously.
As a preferable scheme, the activating the first control chip so that the LoRa communication chip can simultaneously transmit and receive signals includes:
and controlling the first control chip to start a transmitting channel and a receiving channel of the transceiver, so that the LoRa communication chip can simultaneously transmit and receive signals.
As a preferred scheme, the starting or shutting down the first control chip and/or the starting or shutting down the second control chip according to the corresponding working mode includes:
when the LoRa communication chip enters a low power consumption mode, the first control chip and the second control chip are started, so that the LoRa communication chip can be switched to a required working mode.
An embodiment of the present application provides a LoRa communication device, is applied to LoRa communication chip, LoRa communication chip includes the second control chip that is used for controlling the first control chip of transceiver and is used for controlling the treater, LoRa communication device includes:
the detection module is used for detecting the working mode signal;
the control module is used for indicating the LoRa communication chip to enter a corresponding working mode according to the detected working mode signal;
and the starting and closing module is used for starting or closing the first control chip and/or starting or closing the second control chip according to the corresponding working mode.
According to the LoRa communication method and the LoRa communication device, two control chips are arranged in the LoRa communication chip and are used for respectively controlling the transceiver and the processor, so that the LoRa communication chip is indicated to enter different working modes according to detected working mode signals, and the transceiver and the processor are controlled by the two control chips under different working modes. Avoid the transceiver with the treater is in operating condition for a long time, leads to the increase of the power consumption of loRa communication chip.
Drawings
Fig. 1 is a diagram of an LoRa communication network according to an embodiment of the present application.
Fig. 2 is a block diagram of an LoRa communication chip according to an embodiment of the present application.
Fig. 3 is a flowchart of an LoRa communication method according to an embodiment of the present application.
Fig. 4 is a flowchart of an LoRa communication method according to another embodiment of the present application.
Fig. 5 is a flowchart of an LoRa communication method according to another embodiment of the present application.
Fig. 6 is a flowchart of an LoRa communication method according to another embodiment of the present application.
Fig. 7 is a flowchart of an LoRa communication method according to another embodiment of the present application.
Fig. 8 is a diagram illustrating an operation mode switching according to an embodiment of the present application.
Description of the main elements
Gateway 200
LoRa communication chip 1
Transceiver 11
Digital-to-analog converter 12
LoRa communication device 10
On-off module 103
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application.
All other embodiments that can be obtained by a person skilled in the art without inventive step based on the embodiments in this application are within the scope of protection of this application.
Referring to fig. 1, the LoRa communication network mainly includes a terminal device 100, a gateway 200, and a server 300, where the terminal device 100 is provided with an LoRa communication chip 1, and application data can be transmitted in two directions. The LoRa terminal device 100 may be various devices such as a water meter, a gas meter, a smoke alarm, a pet tracker, etc. These terminal devices 100 are first connected to the LoRa gateway 200 through LoRa wireless communication, and the LoRa gateway 200 is then connected to the server 300 through a network such as ethernet or 3G. The LoRa gateway 200 is an intermediary for the terminal device 100 to transmit data to the web server 300, and the LoRa gateway 200 communicates with the web server 300 through a TCP/IP protocol.
In the embodiment of the application, the LoRa communication method can be applied to the application of internet of things requiring low power consumption, long distance, large connection, positioning and tracking and the like, such as intelligent meter reading, intelligent parking, vehicle tracking, pet tracking, intelligent agriculture, intelligent industry, intelligent cities, intelligent communities, intelligent traffic systems and other application fields. The LoRa communication method is applied to the terminal equipment 100, a LoRa communication chip 1 is arranged in the terminal equipment 100, and the LoRa communication chip 1 adopts or integrates a chip of a LoRa modulation technology.
In this embodiment of the application, the LoRa communication chip is any one of the following models: SX1272, SX1273, SX1276, SX1277, SX1278, SX1279, which is not specifically limited in this application.
Referring to fig. 2, in the embodiment of the present application, the LoRa communication apparatus 10 is applied to an LoRa communication chip 1, where the LoRa communication chip 1 includes a transceiver 11, a digital-to-analog converter 12, a processor 13, a buffer 14, a first control chip 15, and a second control chip 16, which will be described below.
The transceiver 11 is configured to perform data transmission with an external device, receive an external signal of the external device, for example, receive information sent by the external terminal device 100, or send a signal to the external device, for example, send information to the LoRa gateway 200.
The digital-to-analog converter 12 is configured to perform digital-to-analog conversion on data in the processor 13 or the buffer 14, and then transmit the data to the transceiver 11, so as to transmit the data to an external device through the transceiver 11, or the external device sends information to the terminal device 100, and the transceiver 11 sends the received information to the digital-to-analog converter 12, so that the digital-to-analog converter 12 performs digital-to-analog conversion and then transmits the data to the buffer 14 or the processor 13.
The processor 13 is configured to process internal signals of internal systems of the terminal device 100, receive signals of the internal systems for data processing, or process data received by the transceiver 11.
In the embodiment of the present application, the LoRa communication device 10 is configured to control the LoRa communication chip 1 to switch to different operation modes, including a sleep mode, a listening mode, a semi-listening mode, a sending mode, and a low power consumption mode. The LoRa communication device 10 includes a detection module 101, an indication module 102, and an on-off module 103.
The detection module 101 is configured to detect a working mode signal; wherein the operation mode signal includes an external signal or an internal signal for instructing the LoRa communication chip 1 to enter a corresponding operation mode.
In the embodiment of the present application, the operation mode signal includes an external signal from an external device or an internal signal from an internal system of the terminal device 100.
The indicating module 102 is configured to indicate the LoRa communication chip 1 to enter a corresponding working mode according to the detected working mode signal.
In this embodiment of the present application, the working mode signal includes a first signal for indicating that the LoRa communication chip 1 enters the semi-monitoring mode, a second signal for indicating that the LoRa communication chip 1 enters the monitoring mode, a third signal for indicating that the LoRa communication chip 1 enters the sleep mode, a fourth signal for indicating that the LoRa communication chip 1 enters the sending mode, and a fifth signal for indicating that the LoRa communication chip 1 enters the low power consumption mode.
The start-stop module 103 is configured to start or stop the first control chip 15 and/or start or stop the second control chip 16 according to the corresponding working mode.
The buffer 14 is used for buffering the received internal data or external data.
The first control chip 15 is used for controlling the transceiver 11 of the LoRa communication chip 1, and the second control chip 16 is used for controlling the processor 13 of the LoRa communication chip 1. The first control chip 15 and the second control chip 16 are low power consumption control chips.
In the embodiment of the present application, the first control chip 15 is turned on or off, and/or the second control chip 16 is turned on or off according to different operation modes, so as to control the transceiver 11 and the processor 13 of the LoRa chip. Under the control of the first control chip 15 and the second control chip 16, the transceiver 11 of the LoRa communication chip 1 and the processor 13 are in an operating state for a long time, which inevitably results in an increase in power consumption of the LoRa communication chip 1. Through first control chip 15 is controlled the transceiver 11 of loRa communication chip 1, second control chip 16 is right processor 13 of loRa communication chip 1 controls, can rationally control transceiver 11 with processor 13's operating time reduces the power consumption.
Referring to fig. 3, the LoRa communication method is applied to the LoRa communication chip 1, and the LoRa communication chip 1 includes a first control chip 15 for controlling the transceiver 11 of the LoRa communication chip 1 and a second control chip 16 for controlling the processor 13 of the LoRa communication chip 1.
In this embodiment of the present application, the LoRa communication method is used to control the LoRa communication chip 1 to switch to different working modes, including a sleep mode, a listening mode, a half-listening mode, a sending mode, and a low power consumption mode.
The LoRa communication method comprises the following steps:
step S10: detecting a working mode signal; wherein the operation mode signal includes an external signal or an internal signal for instructing the LoRa communication chip 1 to enter a corresponding operation mode.
In the embodiment of the present application, the operation mode signal includes an external signal from an external device or an internal signal from an internal system of the terminal device 100.
Step S20: and indicating the LoRa communication chip 1 to enter a corresponding working mode according to the detected working mode signal.
In this embodiment of the present application, the working mode signal includes a first signal for indicating that the LoRa communication chip 1 enters the semi-monitoring mode, a second signal for indicating that the LoRa communication chip 1 enters the monitoring mode, a third signal for indicating that the LoRa communication chip 1 enters the sleep mode, a fourth signal for indicating that the LoRa communication chip 1 enters the sending mode, and a fifth signal for indicating that the LoRa communication chip 1 enters the low power consumption mode.
Step S30: and starting or closing the first control chip 15 and/or starting or closing the second control chip 16 according to the corresponding working mode.
In one possible implementation manner, referring to fig. 4, step S30 specifically includes the following steps:
step S31: and when the LoRa communication chip 1 enters a semi-monitoring mode, the second control chip 16 is closed.
Step S32: the first control chip 15 is activated so that the LoRa communication chip 1 receives a signal.
In this application embodiment, when LoRa communication chip 1 entered half the mode of listening, then automatic control second control chip 16 closes, controls first control chip 15 starts, need not LoRa communication chip 1 to send control signal control its transceiver 11 and treater 13, can better satisfy small data high density transmission. In the half listening mode, the transceiver 11 operates, the processor 13 does not operate, and signal reception and transmission are performed in the half listening mode without processing signals.
In one preferred embodiment, referring to fig. 5, step S32 specifically includes the following steps:
step S321: and controlling the first control chip 15 to close the transmission channel of the transceiver 11.
Step S322: and controlling the first control chip 15 to start the receiving channel of the transceiver 11, so that the LoRa communication chip 1 receives a signal.
In the embodiment of the present application, in the semi-listening mode, the transceiver 11 starts a simplex communication mode, and the transceiver 11 unidirectionally receives an external signal from the outside.
In one preferred embodiment, the first control chip 15 is controlled to periodically start or close the receiving channel of the transceiver 11 according to a preset rule, so that the LoRa communication chip 1 periodically receives signals.
Specifically, before entering the half-listening mode, the LoRa communication chip 1 is in the sleep mode or the low power consumption mode, and the LoRa communication chip 1 may be customized by a user to enter the half-listening mode. The LoRa communication chip 1 detects a working mode signal sent by an internal system to enter a semi-monitoring mode. For example, when the LoRa communication chip 1 is in the sleep mode or the low power consumption mode, a signal is output by a timer at a preset time to instruct the LoRa communication chip 1 to enter the semi-monitoring mode.
In this embodiment of the application, each time the LoRa communication chip 1 is turned on, the LoRa communication chip can be set individually, and when the semi-monitoring mode is turned off, the transceiver 11 can be automatically turned off and can be turned into the low power consumption mode, or can be turned into the sleep mode after being turned into the low power consumption mode. The half snoop mode may be performed in a loop, and in the half snoop mode, the LoRa chip cannot be directly converted into the transmission mode.
In one possible implementation manner, referring to fig. 6, step S30 specifically includes the following steps:
step S33: and when the LoRa communication chip 1 enters the sleep mode, the first control chip 15 is turned off.
Step S34: the second control chip 16 is activated so that the LoRa communication chip 1 receives the processing signal.
In the embodiment of the present application, the sleep mode is a standby mode of the LoRa communication chip 1, and the second control chip 16 is activated to control the processor 13 to be in an operating state, so as to receive a signal from an internal system, such as a wake-up signal.
In one preferred embodiment, the LoRa communication method further includes:
when the LoRa communication chip 1 enters the monitoring mode, the first control chip 15 is activated, so that the LoRa communication chip 1 sends or receives signals.
In this embodiment of the application, when LoRa communication chip 1 enters the monitoring mode, start first control chip 15, LoRa communication chip 1 the duplex communication mode of transceiver 11 is opened, can monitor the signal instruction that terminal equipment 100 of other networks sent this terminal equipment 100 to change into the transmission mode at any time, send the signal to terminal equipment 100 of other networks.
In one possible implementation manner, referring to fig. 7, step S30 specifically includes the following steps:
step S35: when the LoRa communication chip 1 enters the transmission mode, the second control chip 16 is activated.
Step S36: the first control chip 15 is activated so that the LoRa communication chip 1 can simultaneously transmit or receive signals.
Further, step S36 specifically includes:
the first control chip 15 is controlled to start the transmitting channel and the receiving channel of the transceiver 11, so that the LoRa communication chip 1 can simultaneously transmit and receive signals.
In this embodiment of the application, when the LoRa communication chip 1 enters the transmission mode, start the first control chip 15, open the LoRa communication chip 1 the duplex communication mode of the transceiver 11 makes the transceiver 11 receive the transmission instruction of the LoRa communication chip 1, and the data in the buffer is converted into the analog signal through the digital-to-analog converter 12 and is transmitted according to the specific frequency band of LoRa.
In one possible implementation manner, when the LoRa communication chip 1 enters the transmission mode, the first control chip 15 and the second control chip 16 may be activated, and the processor 13 sends data to the transceiver 11 through the digital-to-analog converter 12, so that the transceiver 11 sends out data, and meanwhile, the transceiver 11 may receive external data and send the data to the processor 13 or the buffer 14 through the digital-to-analog converter 12.
In one preferred embodiment, the LoRa communication method further includes:
when the LoRa communication chip 1 enters the low power consumption mode, the first control chip 15 and the second control chip 16 are activated, so that the LoRa communication chip 1 can be switched to a desired working mode.
Referring to fig. 8, in the embodiment of the present application, the low power consumption mode is a basic operation mode of the LoRa communication chip 1, and the first control chip 15 and the second control chip 16 are activated, so that the LoRa communication chip 1 can be switched to a required operation mode in the low power consumption mode. The wireless communication device can be switched to any one of the working modes of the sleep mode, the monitoring mode, the semi-monitoring mode and the sending mode after being switched to the low power consumption mode. In general, the control algorithm of the LoRa communication chip 1 is used in a unified manner, and there is no low power consumption mode, but in the embodiment of the application, the first control chip 15 and the second control chip 16 in the low power consumption mode operate independently and do not interfere with each other, so that the low power consumption requirement in communication can be better satisfied.
According to the LoRa communication method and the LoRa communication device, two control chips are arranged in the LoRa communication chip and are used for respectively controlling the transceiver and the processor, so that the LoRa communication chip is indicated to enter different working modes according to detected working mode signals, and the transceiver and the processor are controlled by the two control chips under different working modes. Avoid the transceiver with the treater is in operating condition for a long time, leads to the increase of the power consumption of loRa communication chip.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not used as limitations of the present application, and that suitable modifications and changes of the above embodiments are within the scope of the claims of the present application as long as they are within the spirit and scope of the present application.
Claims (10)
1. A LoRa communication method is applied to a LoRa communication chip, the LoRa communication chip comprises a first control chip used for controlling a transceiver and a second control chip used for controlling a processor, and the LoRa communication method comprises the following steps:
detecting a working mode signal;
indicating the LoRa communication chip to enter a corresponding working mode according to the detected working mode signal;
and starting or closing the first control chip and/or starting or closing the second control chip according to the corresponding working mode.
2. The LoRa communication method as claimed in claim 1, wherein the enabling or disabling the first control chip and/or the enabling or disabling the second control chip according to the corresponding operation mode comprises:
when the LoRa communication chip enters a semi-monitoring mode, closing the second control chip;
and starting the first control chip to enable the LoRa communication chip to receive signals.
3. The LoRa communication method of claim 2, wherein the enabling the first control chip such that the LoRa communication chip receives a signal comprises:
controlling the first control chip to close a sending channel of the transceiver;
and controlling the first control chip to start a receiving channel of the transceiver, so that the LoRa communication chip receives signals.
4. The LoRa communication method of claim 3, wherein the controlling the first control chip to enable a receive channel of the transceiver such that the LoRa communication chip receives a signal comprises:
and controlling the first control chip to start or close a receiving channel of the transceiver at regular time according to a preset rule, so that the LoRa communication chip receives signals at regular time.
5. The LoRa communication method as claimed in claim 1, wherein the enabling or disabling the first control chip and/or the enabling or disabling the second control chip according to the corresponding operation mode comprises:
when the LoRa communication chip enters a sleep mode, closing the first control chip;
and starting the second control chip to enable the LoRa communication chip to receive a processing signal.
6. The LoRa communication method as claimed in claim 1, wherein the enabling or disabling the first control chip and/or the enabling or disabling the second control chip according to the corresponding operation mode comprises:
when the LoRa communication chip enters a monitoring mode, the first control chip is started, so that the LoRa communication chip sends signals or receives signals.
7. The LoRa communication method as claimed in claim 1, wherein the enabling or disabling the first control chip and/or the enabling or disabling the second control chip according to the corresponding operation mode comprises:
when the LoRa communication chip enters a sending mode, starting the second control chip;
and starting the first control chip, so that the LoRa communication chip can simultaneously send signals or receive signals.
8. The LoRa communication method of claim 7, wherein the enabling the first control chip such that the LoRa communication chip can simultaneously send or receive signals comprises:
and controlling the first control chip to start a transmitting channel and a receiving channel of the transceiver, so that the LoRa communication chip can simultaneously transmit signals or receive signals.
9. The LoRa communication method as claimed in any one of claims 1 to 8, wherein the enabling or disabling of the first control chip and/or the enabling or disabling of the second control chip according to the corresponding operation mode comprises:
when the LoRa communication chip enters a low power consumption mode, the first control chip and the second control chip are started, so that the LoRa communication chip can be switched to a required working mode.
10. The LoRa communication device is characterized in that the LoRa communication device is applied to a LoRa communication chip, the LoRa communication chip comprises a first control chip used for controlling a transceiver and a second control chip used for controlling a processor, and the LoRa communication device comprises:
the detection module is used for detecting the working mode signal;
the indicating module is used for indicating the LoRa communication chip to enter a corresponding working mode according to the detected working mode signal;
and the starting and closing module is used for starting or closing the first control chip and/or starting or closing the second control chip according to the corresponding working mode.
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