CN110944310A - Based on LoRaTMMulti-channel point-to-point communication apparatus and method of technology - Google Patents
Based on LoRaTMMulti-channel point-to-point communication apparatus and method of technology Download PDFInfo
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- CN110944310A CN110944310A CN201911300360.2A CN201911300360A CN110944310A CN 110944310 A CN110944310 A CN 110944310A CN 201911300360 A CN201911300360 A CN 201911300360A CN 110944310 A CN110944310 A CN 110944310A
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- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000004891 communication Methods 0.000 title claims abstract description 48
- 238000005516 engineering process Methods 0.000 title abstract description 12
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000002159 abnormal effect Effects 0.000 claims description 15
- 238000013500 data storage Methods 0.000 claims description 6
- 108010003272 Hyaluronate lyase Proteins 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/14—Multichannel or multilink protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
Abstract
The invention provides a method based on LoRaTMThe device comprises an MCU processor, a plurality of LoRaTMThe radio frequency module, the power module, the sensor, the MCU processor respectively through SPI interface, GPIO interface and LoRaTMThe radio frequency module is used for communicating to receive and send data; LoRaTMThe radio frequency module adopts an interrupt mode for receiving and transmitting data, and the NSS interface and the INT interface of the radio frequency module are communicated with the GPIO interface of the MCU processor so as to select signals and process interrupt signals. The invention utilizesMCU (microcontroller) controls a plurality of LoRa through SPI interfaceTMThe radio frequency module enables the device to realize multipath parallel communication and full duplex communication of data, greatly increases bandwidth and reduces the communication requirement of time delay, thereby expanding LoRaTMThe application scene of the technology improves the user experience.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a LoRa-based electronic information deviceTMA multi-channel point-to-point communication apparatus and method of the art.
Background
Currently LoRaTMThe technology has the advantages of low cost, long distance and low power consumption, but due to the application characteristics of narrow bandwidth, high time delay and half-duplex, the application of the technology in some wireless communication scenes with higher requirements on voice, images and real-time performance is greatly limited, and other wireless communication technologies have the inconvenience of short distance and high power consumption while ensuring certain bandwidth.
Disclosure of Invention
In order to solve the defects of the existing application characteristics, the invention provides a method based on LoRaTMThe multi-channel point-to-point communication device and method of the technology solve the defects of narrow bandwidth, high time delay and half duplex while ensuring the advantages of low power consumption, long distance and low cost.
According to the embodiment of the invention, the invention provides a method based on LoRaTMA multi-channel point-to-point communication device of the art includes an MCU processor, a plurality of LoRaTMRadio frequency module, power module, sensor, wherein, MCU treater is respectively through SPI interface, GPIO interface and loRaTMThe radio frequency module is used for communicating to receive and send data; the LoRaTMThe radio frequency module adopts an interrupt mode for receiving and transmitting data, and the NSS interface and the INT interface of the radio frequency module are communicated with the GPIO interface of the MCU processor so as to select signals and process interrupt signals.
Furthermore, the communication module of the sensor communicates with the MCU processor through IIC, UART, GPIO, SPI, CAN or USB interfaces to realize data acquisition.
Further, the MCU processor includes a data buffer area and a data storage area, wherein the data buffer area is used for buffering data during data transmission or reception, and the data storage area is used for storing data after receiving complete data.
Further, when video is being performedDuring stream transmission, the communication device adopts 4 LoRaTMThe radio frequency module transmits data; when voice stream bidirectional transmission is carried out, the communication device adopts 2 LoRaTMAnd the radio frequency module transmits data.
Further, the power module is a lithium polymer battery pack.
According to the embodiment of the invention, the invention also provides a device based on LoRaTMThe communication method of the multi-channel point-to-point communication device of the technology is applied to a data sending end and a data receiving end and comprises the following steps:
s1, a sending end executes a data sending process;
s2, a receiving end executes a data receiving process;
s3, the sending end waits for the data receiving state;
s4, the receiving end checks the completion state and the abnormal mark of the receiving process, if the receiving is completed, the step S10 is executed, and if the receiving is abnormal, the step S8 is executed;
s5, the sending end checks the completion state and the abnormal mark of the receiving process of the receiving end, if the receiving is completed, the step S9 is executed, and if the receiving is abnormal, the step S6 is executed;
s6, the receiving end cleans the data which are not received, and waits for the retransmission of the sending end;
s7 the sender retransmits the data not received according to the abnormal state of the receiver, and returns to step S1;
s8, the receiving end receives the data which are not received completely, and the step S2 is returned;
s9, returning to execute the step S1 in the next sending process;
s10, the next receiving process returns to execute the step S2.
Further, the step of the sending end executing the data sending process further includes:
s101, distributing the LoRa according to the required bandwidth and the number of the used channelsTMParameters of the radio frequency module, configuring each LoRaTMThe radio frequency module sends an interrupt completion, and configures GPIO of the MCU processor to respond to the interrupt;
s102, grouping and coding data to be transmitted according to the number of channels and the depth of a data buffer area, and traversing the LoRaTMRespectively writing a group of data to be transmitted into the LoRa by the NSS signal of the radio frequency module and the SPI of the MCUTMA radio frequency module data buffer;
s103, setting LoRa with each buffer zone not being emptyTMThe working mode of the radio frequency module is a sending mode;
s104, responding to LoRa through GPIO of the MCU processorTMThe RF module sends a completion interrupt if LoRaTMThe radio frequency module finishes sending, and then LoRa is setTMThe state of the radio frequency module is that data transmission is finished;
s105, checking a plurality of LoRaTMA transmission completion state of the RF module, for the LoRa without data transmission completionTMThe rf module performs retransmission through step S103, if LoRa is lowerTMIf the radio frequency modules finish transmitting, executing step S106;
s106, judging whether all the grouped data are sent completely or not, if not, traversing each LoRaTMThe SPI of the MCU processor writes the next group of data to be sent into each LoRa respectively according to the NSS signal of the radio frequency moduleTMIf the data buffer area of the radio frequency module is finished, the data sending process is finished.
Further, the step of the receiving end executing the data receiving process includes:
s201, distributing LoRa according to required bandwidth and used channel numberTMParameters of the radio frequency module, configuring each LoRaTMThe radio frequency module receives the completion interrupt, and configures GPIO of the MCU processor to respond to the interrupt;
s202, setting LoRaTMThe working mode of the radio frequency module is a continuous receiving mode;
s203, responding to each LoRa through GPIO of the MCU processorTMThe RF module receives the completed interrupt if each LoRaTMIf the radio frequency module finishes receiving, storing the received data;
s204, checking whether the data reception is finished or overtime, if all the data reception is finished, executing a step S205, and if the data reception is overtime, executing a step S206;
s205, combining all received data, decoding, checking the integrity of the received data, if the data is complete, ending the data receiving process, and if the data is incomplete, executing S206;
s206, recording the data which is not received in the data receiving process, setting an unfinished data mark for S4 to use, and ending the data receiving process.
Further, the parameters include channel frequency, bandwidth, spreading factor and coding rate.
Further, in the step S203, if each LoRa is presentTMAnd after the radio frequency module finishes receiving, storing the received data, and storing the received data into a received data buffer area.
The invention provides a method based on LoRaTMTechnical multichannel point-to-point communication device and communication method, wherein MCU (microcontroller) is used for controlling a plurality of LoRa through SPI interfaceTMThe radio frequency module enables the device to realize multipath parallel communication and full duplex communication of data, greatly increases bandwidth and reduces the communication requirement of time delay, thereby expanding LoRaTMThe application scene of the technology improves the user experience.
Drawings
FIG. 1 shows the LoRa-based optical fiber of the present inventionTMA multichannel point-to-point communication device block diagram of the art;
FIG. 2 shows the LoRa-based optical fiber of the present inventionTMA flow diagram of a method of multi-channel point-to-point communication of a technique;
FIG. 3 shows the LoRa-based optical fiber of the present inventionTMA transmitting end of a multi-channel point-to-point communication method of the technology carries out a data transmission flow chart;
FIG. 4 shows the LoRa-based optical fiber of the present inventionTMThe receiving end of the multichannel point-to-point communication method of the technology carries out a data receiving flow chart.
Detailed Description
For the convenience of understanding, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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.
As shown in FIG. 1, the present invention proposes a method based on LoRaTMA multi-channel point-to-point communication device of the art includes an MCU processor, a plurality of LoRaTMRadio frequency module, power module, sensor, wherein, MCU treater is respectively through SPI interface, GPIO interface and loRaTMThe radio frequency module is used for communicating to receive and send data; the LoRaTMThe radio frequency module adopts an interrupt mode for receiving and transmitting data, the NSS interface and the INT interface of the radio frequency module are communicated with the GPIO interface of the MCU processor to select signals and process interrupt signals, and the power supply module is a lithium polymer battery pack.
In this embodiment, the communication module of the sensor communicates with the MCU processor through IIC, UART, GPIO, SPI, CAN, or USB interfaces to achieve data acquisition. In order to better perform data transceiving control, in the invention, the MCU processor comprises a data buffer area and a data storage area, wherein the data buffer area is used for buffering data in the data transmitting or receiving process, and the data storage area is used for storing the data after receiving complete data.
According to the communication device of the invention, when the video stream is transmitted, the communication device adopts 4 LoRaTMThe radio frequency module transmits data; when voice stream bidirectional transmission is carried out, the communication device adopts 2 LoRaTMAnd the radio frequency module transmits data.
According to the embodiment of the invention, the invention also provides a device based on LoRaTMAs shown in fig. 2, the method for multi-channel point-to-point communication is applied to a data transmitting end and a data receiving end, and includes the following steps:
s1, a sending end executes a data sending process;
s2, a receiving end executes a data receiving process;
s3, the sending end waits for the data receiving state;
s4, the receiving end checks the completion state and the abnormal mark of the receiving process, if the receiving is completed, the step S10 is executed, and if the receiving is abnormal, the step S8 is executed;
s5, the sending end checks the completion state and the abnormal mark of the receiving process of the receiving end, if the receiving is completed, the step S9 is executed, and if the receiving is abnormal, the step S6 is executed;
s6, the receiving end cleans the data which are not received, and waits for the retransmission of the sending end;
s7 the sender retransmits the data not received according to the abnormal state of the receiver, and returns to step S1;
s8, the receiving end receives the data which are not received completely, and the step S2 is returned;
s9, returning to execute the step S1 in the next sending process;
s10, the next receiving process returns to execute the step S2.
In order to more clearly express the data transceiving process of the present invention, specific processes of data transmission and data reception are respectively explained as shown in fig. 3 and fig. 4.
In the process of data transmission, the method comprises the following steps:
s101, distributing the LoRa according to the required bandwidth and the number of the used channelsTMChannel frequency, bandwidth, spreading factor and coding rate of radio frequency module, configuring each LoRaTMThe radio frequency module sends an interrupt completion, and configures GPIO of the MCU processor to respond to the interrupt;
s102, grouping and coding data to be transmitted according to the number of channels and the depth of a data buffer area, and traversing the LoRaTMRespectively writing a group of data to be transmitted into the LoRa by the NSS signal of the radio frequency module and the SPI of the MCUTMA radio frequency module data buffer;
s103, setting LoRa with each buffer zone not being emptyTMThe working mode of the radio frequency module is a sending mode;
s104, responding to LoRa through GPIO of the MCU processorTMThe RF module sends a completion interrupt if LoRaTMThe radio frequency module finishes sending, and then LoRa is setTMThe state of the radio frequency module is that data transmission is finished;
s105, checking a plurality of LoRaTMA transmission completion state of the RF module, for the LoRa without data transmission completionTMThe rf module performs retransmission through step S103, if LoRa is lowerTMIf the radio frequency modules finish transmitting, executing step S106;
s106, judging whether all the grouped data are sent completely or not, if not, traversing each LoRaTMThe SPI of the MCU processor writes the next group of data to be sent into each LoRa respectively according to the NSS signal of the radio frequency moduleTMIf the data buffer area of the radio frequency module is finished, the data sending process is finished.
In the data receiving process, the method comprises the following steps:
s201, distributing LoRa according to required bandwidth and used channel numberTMChannel frequency, bandwidth, spreading factor and coding rate of radio frequency module, configuring each LoRaTMThe radio frequency module receives the completion interrupt, and configures GPIO of the MCU processor to respond to the interrupt;
s202, setting LoRaTMThe working mode of the radio frequency module is a continuous receiving mode;
s203, responding to each LoRa through GPIO of the MCU processorTMThe RF module receives the completed interrupt if each LoRaTMIf the radio frequency module finishes receiving, storing the received data, and storing the data into a received data buffer area;
s204, checking whether the data reception is finished or overtime, if all the data reception is finished, executing a step S205, and if the data reception is overtime, executing a step S206;
s205, combining all received data, decoding, checking the integrity of the received data, if the data is complete, ending the data receiving process, and if the data is incomplete, executing S206;
s206, recording the data which is not received in the data receiving process, setting an unfinished data mark for S4 to use, and ending the data receiving process.
Lo-based method provided by the inventionRaTMThe multi-channel point-to-point communication and the device and the method of the technology can specifically realize the following effects in practical application:
first, satisfy video streaming, use 4 LoRaTMWhen the radio frequency module transmits data, the video stream one-way transmission of 360p and 15FPS can be met;
second, satisfy voice stream bidirectional transmission, use 2 loRaTMThe radio frequency module transmits data, 2 LoRaTMWhen the radio frequency module receives data, the bidirectional transmission of PCM voice stream can be met;
third, low power consumption and long distance, the maximum transmitting power is approximate to LoRaTMThe number of the radio frequency modules is multiplied by 10mW, and the non-shielding transmission distance reaches 1 kilometer;
fourthly, the device is simple in structure and convenient to produce.
The invention can be popularized in the communication scene of the sensing network with the requirement on the bandwidth, and mainly provides the support of low power consumption, long distance (1 kilometer) and 300 Kbps bandwidth (8 channels).
It will be evident to those skilled in the art that the embodiments of the present invention are not limited to the details of the foregoing illustrative embodiments, and that the embodiments of the present invention are capable of being embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the embodiments being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units, modules or means recited in the system, apparatus or terminal claims may also be implemented by one and the same unit, module or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting, and although the embodiments of the present invention are described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. Based on loRaTMMulti-channel point-to-point communication device of the art, characterized in that said device comprises an MCU processor, a plurality of LoRaTMRadio frequency module, power module, sensor, wherein, MCU treater is respectively through SPI interface, GPIO interface and loRaTMThe radio frequency module is used for communicating to receive and send data; the LoRaTMThe radio frequency module adopts an interrupt mode for receiving and transmitting data, and the NSS interface and the INT interface of the radio frequency module are communicated with the GPIO interface of the MCU processor so as to select signals and process interrupt signals.
2. The LoRa-based device of claim 1TMThe technical multi-channel point-to-point communication device is characterized in that a communication module of the sensor is communicated with the MCU processor through an IIC, UART, GPIO, SPI, CAN or USB interface to realize data acquisition.
3. The LoRa-based device of claim 1TMThe technical multi-channel point-to-point communication device is characterized in that the MCU processor comprises a data buffer area and a data storage area, wherein the data buffer area is used for buffering data in the data sending or receiving process, and the data storage area is used for storing the data after receiving complete data.
4. The LoRa-based device of claim 1TMTechnical multichannel point-to-point communication device, characterised in that it uses 4 LoRa when video streaming is carried outTMThe radio frequency module transmits data; when a bi-directional transmission of a voice stream is performed,the communication device adopts 2 LoRaTMAnd the radio frequency module transmits data.
5. The LoRa-based device of claim 1TMTechnical multi-channel point-to-point communication device, characterized in that the power module is a lithium polymer battery pack.
6. A composition according to any of claims 1 to 5 based on LoRaTMA communication method of a multi-channel point-to-point communication apparatus of the art, wherein the communication method is applied to a data transmitting end and a data receiving end, comprising the steps of:
s1, a sending end executes a data sending process;
s2, a receiving end executes a data receiving process;
s3, the sending end waits for the data receiving state;
s4, the receiving end checks the completion state and the abnormal mark of the receiving process, if the receiving is completed, the step S10 is executed, and if the receiving is abnormal, the step S8 is executed;
s5, the sending end checks the completion state and the abnormal mark of the receiving process of the receiving end, if the receiving is completed, the step S9 is executed, and if the receiving is abnormal, the step S6 is executed;
s6, the receiving end cleans the data which are not received, and waits for the retransmission of the sending end;
s7 the sender retransmits the data not received according to the abnormal state of the receiver, and returns to step S1;
s8, the receiving end receives the data which are not received completely, and the step S2 is returned;
s9, returning to execute the step S1 in the next sending process;
s10, the next receiving process returns to execute the step S2.
7. The LoRa-based alloy of claim 6TMThe method for communicating in a multi-channel point-to-point communication device of the art, wherein the step of the transmitting end performing the data transmission procedure further comprises:
s101, according to required bandwidthAnd allocating the LoRa using the number of channelsTMParameters of the radio frequency module, configuring each LoRaTMThe radio frequency module sends an interrupt completion, and configures GPIO of the MCU processor to respond to the interrupt;
s102, grouping and coding data to be transmitted according to the number of channels and the depth of a data buffer area, and traversing the LoRaTMRespectively writing a group of data to be transmitted into the LoRa by the NSS signal of the radio frequency module and the SPI of the MCUTMA radio frequency module data buffer;
s103, setting LoRa with each buffer zone not being emptyTMThe working mode of the radio frequency module is a sending mode;
s104, responding to LoRa through GPIO of the MCU processorTMThe RF module sends a completion interrupt if LoRaTMThe radio frequency module finishes sending, and then LoRa is setTMThe state of the radio frequency module is that data transmission is finished;
s105, checking a plurality of LoRaTMA transmission completion state of the RF module, for the LoRa without data transmission completionTMThe rf module performs retransmission through step S103, if LoRa is lowerTMIf the radio frequency modules finish transmitting, executing step S106;
s106, judging whether all the grouped data are sent completely or not, if not, traversing each LoRaTMThe SPI of the MCU processor writes the next group of data to be sent into each LoRa respectively according to the NSS signal of the radio frequency moduleTMIf the data buffer area of the radio frequency module is finished, the data sending process is finished.
8. The LoRa-based alloy of claim 6TMA communication method of a multi-channel point-to-point communication apparatus of the art, wherein the step of the receiving end performing a data reception procedure comprises:
s201, distributing LoRa according to required bandwidth and used channel numberTMParameters of the radio frequency module, configuring each LoRaTMThe radio frequency module receives the completion interrupt, and configures GPIO of the MCU processor to respond to the interrupt;
s202, setting LoRaTMThe working mode of the radio frequency module is a continuous receiving mode；
S203, responding to each LoRa through GPIO of the MCU processorTMThe RF module receives the completed interrupt if each LoRaTMIf the radio frequency module finishes receiving, storing the received data;
s204, checking whether the data reception is finished or overtime, if all the data reception is finished, executing a step S205, and if the data reception is overtime, executing a step S206;
s205, combining all received data, decoding, checking the integrity of the received data, if the data is complete, ending the data receiving process, and if the data is incomplete, executing S206;
s206, recording the data which is not received in the data receiving process, setting an unfinished data mark for S4 to use, and ending the data receiving process.
9. LoRa-based according to claim 7 or 8TMA method of communicating in a multi-channel point-to-point communication device of the art, wherein said parameters include channel frequency, bandwidth, spreading factor and coding rate.
10. The LoRa-based of claim 8TMThe communication method of the multi-channel point-to-point communication device of the art is characterized in that, in the step S203, each LoRa is determinedTMAnd after the radio frequency module finishes receiving, storing the received data, and storing the received data into a received data buffer area.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873211A (en) * | 2012-12-10 | 2014-06-18 | 普天信息技术研究院有限公司 | HARQ retransmission and blind detection method |
| CN107846709A (en) * | 2017-09-29 | 2018-03-27 | 深圳市亿兆互联技术有限公司 | A kind of radio communication device and wireless communications method based on LoRa |
| CN108809616A (en) * | 2018-05-24 | 2018-11-13 | 杭州盈飞驰科技有限公司 | A kind of full duplex multi-channel data transmission device and control method based on LoRaWAN gateways |
| CN108900411A (en) * | 2018-08-10 | 2018-11-27 | 深圳慧联无限科技有限公司 | Lora full duplex gateway |
| US20190123930A1 (en) * | 2017-10-19 | 2019-04-25 | Libre Wireless Technologies, Inc. | Multiprotocol Audio/Voice Internet-Of-Things Devices and Related System |
-
2019
- 2019-12-16 CN CN201911300360.2A patent/CN110944310A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873211A (en) * | 2012-12-10 | 2014-06-18 | 普天信息技术研究院有限公司 | HARQ retransmission and blind detection method |
| CN107846709A (en) * | 2017-09-29 | 2018-03-27 | 深圳市亿兆互联技术有限公司 | A kind of radio communication device and wireless communications method based on LoRa |
| US20190123930A1 (en) * | 2017-10-19 | 2019-04-25 | Libre Wireless Technologies, Inc. | Multiprotocol Audio/Voice Internet-Of-Things Devices and Related System |
| CN108809616A (en) * | 2018-05-24 | 2018-11-13 | 杭州盈飞驰科技有限公司 | A kind of full duplex multi-channel data transmission device and control method based on LoRaWAN gateways |
| CN108900411A (en) * | 2018-08-10 | 2018-11-27 | 深圳慧联无限科技有限公司 | Lora full duplex gateway |
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