CN109862068A - A kind of LORA data acquisition control system based on TDMA - Google Patents
A kind of LORA data acquisition control system based on TDMA Download PDFInfo
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- CN109862068A CN109862068A CN201811522484.0A CN201811522484A CN109862068A CN 109862068 A CN109862068 A CN 109862068A CN 201811522484 A CN201811522484 A CN 201811522484A CN 109862068 A CN109862068 A CN 109862068A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of LORA data acquisition control system based on TDMA, including local server, gateway and multiple acquisition terminals；The gateway is connect by wireless GPRS with the local server and is sent to the order that local server and response local server issue for that will receive data；The gateway and the multiple acquisition terminal are used to receive the related data of acquisition by LORA wireless communication connection；The acquisition terminal connect the data collection and control for relevant device with external equipment by RS485 or RS232 interface.The present invention is based on the LORA communication technologys, work in 470~510M unlicensed band, without extra charge, while having the communication distance and extremely strong anti-interference ability of overlength；Exclusive ad hoc network mode reduces system complexity；With TDMA technology, bandwidth is utilized to greatest extent, reduces cost, reduces system power dissipation.
Description
Technical field
The present invention relates to Internet of Things technical field of communication equipment more particularly to a kind of LORA data based on TDMA to acquire control
System processed.
Background technique
Currently, having expedited the emergence of smart city, wisdom agricultural, wisdom industry and wisdom health with the fast development of Internet of Things
Equal markets application, has goed deep into the multiple fields of our lives.The demand of all things on earth interconnection is also further driven to, countless
" object " will connect networking, carry out data collection and control to it, and " object " sounding is allowed to become primary demand.
The existing system for carrying out data acquisition control using 2G/3G/4G network, although not limited by transmission range,
It is that access point power consumption is higher, and each access point need to match a sim card, communications cost and later maintenance cost are higher, while
There is also signal covering problems in some regions.In addition independent using needing similar to the short distances indoor communications such as WIFI/BT/ZIGBEE
Wiring, anti-interference poor, simultaneous transmission distance is limited, can not form the covering of wide area.
Summary of the invention
For above-mentioned problems, in order to meet the needs of users, the invention proposes a kind of low in energy consumption, communication distances
Far, at low cost, strong interference immunity the acquisition control system based on TDMA and LORA.
The present invention through the following technical solutions to achieve the above objectives:
A kind of LORA data acquisition control system based on TDMA, comprising: local server, gateway and multiple acquisitions are eventually
End；The gateway and the local server by wireless GPRS connect for will receive data be sent to local server and
The order that response local server issues；The gateway is with the multiple acquisition terminal by LORA wireless communication connection for connecing
Receive the related data of acquisition；The acquisition terminal is connect by RS485 or RS232 interface for relevant device with external equipment
Data collection and control.
Further embodiment is, the acquisition terminal includes: 1. acquisition module, passes through RS485 or RS23 interface and external
Equipment connection acquires relevant data and control equipment；2. management control module, configuration radio frequency parameter, application network, clock synchronization with
And rely on TDMA algorithm timing wake-up terminal；3. LORA module, with gateway communication, active upload data or reception and response net
Close wake-up command.
Further embodiment is, the gateway includes: 1. management control module, Configuration network parameter and radio frequency parameter, pipe
Terminal is managed to network, broadcast clock synchronization, unicast/broadcast wakeup terminal；2. LORA module, communicates with terminal, upload is received and responded
Data and issue wake-up command；3. GPRS module is communicated with local server, uploads acquisition data or receive the life issued
It enables.
Further embodiment is that the management control flow that the acquisition terminal networks for the first time is as follows:
(1) LORA module radio frequency parameter is set: according to gateway end parameter configuration, terminal parameter such as transmission power being set, is passed
Defeated frequency and aerial rate etc., it is matching；
(2) application networks: CAD listens to channel idle first, if busy, random delay keeps out of the way a period of time, is repeated several times
It is idle not yet, then it exits waiting for a moment, is further continued for listening to, until channel idle；Networking request for data frame is sent, gateway is received
Network address, current time and the network parameter of Echo Frame, parsing and storage distribution, network successfully；
(3) active reporting and response command: 1. basis reports interval, the data of timing acquiring equipment；2. at usual terminal
It in dormant state, according to TDMA mechanism timing wake-up, wakes up to report the moment, then uploads data, upload several times unsuccessful, then weigh
It is new to network；8. waking up is response command process, specifically it is divided to broadcast and two kinds of unicast, if it is oneself that wherein unicast, which wakes up address,
It responds, if not then ignoring, broadcast clock synchronization then updates terminal time, broadcast parameter then undated parameter；4. being joined according to system
Number calculates wakes up the moment next time, continues suspend mode, waits and waking up, repeatedly.
Further embodiment is that the gateway management control flow is as follows: 1. manage network parameter, as terminal number, on
Pass byte number, report interval, upload period, Wakeup interval, wakeup byte number etc.；2. management terminal networks, distribution and management net
Network address；8. timing clock synchronization guarantees that gateway is consistent with terminal timing；4. forwarding the data reported to local server, ring simultaneously
Answer server command.
Further embodiment is that communication is based on TDMA between gateway and multiple acquisition terminals, communicates collisionless, is uploading the period
It is interior, the fixed time slot of each terminal distribution, for active reporting data and possible command process, the idle time in the period,
For command process.
The beneficial effects of the present invention are:
A kind of LORA data acquisition control system based on TDMA of the invention is based on the LORA communication technology, works 470
~510M unlicensed band without extra charge, while having the communication distance and extremely strong anti-interference ability of overlength；It is exclusive from
Networking mode reduces system complexity；With TDMA technology, bandwidth is utilized to greatest extent, reduces cost, reduces system power dissipation.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In required practical attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the present embodiment
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is acquisition control system structural schematic diagram of the present invention.
Fig. 2 is that terminal of the present invention first powers on flow chart.
Fig. 3 is TDMA algorithm time distribution principle figure of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
Its embodiment belongs to the range that the present invention is protected.
As shown in Figure 1, a kind of LORA data acquisition control system based on TDMA of the invention comprising local service
Device, gateway and multiple acquisition terminals.The acquisition terminal and external equipment (such as water, electricity, gas table, air-conditioning and environmental sensor
Deng) data collection and control for being used for relevant device is connected by RS485 or RS232 interface；The gateway with it is the multiple
Acquisition terminal is by LORA wireless communication connection for receiving the related data of acquisition；The gateway and the local server are logical
It crosses wireless GPRS connection and is sent to the order that local server and response local server issue for data will to be received.
The acquisition terminal includes: 1. acquisition module, is connect by RS485 or RS23 interface with external equipment, and phase is acquired
2. management control module, configuration radio frequency parameter, application networking, clock synchronization and support TDMA algorithm are fixed for the data and control equipment of pass
When wake up terminal 8. LORA module, with gateway communication, active upload data or reception and response gateway wake-up command.
The gateway includes: that 1. management control module, Configuration network parameter and radio frequency parameter, management terminal are networked, broadcasted
Clock synchronization, unicast/broadcast wakeup terminal 2. LORA module, communicate with terminal, receive and respond the data uploaded and issue wake-up life
3. GPRS module is enabled, is communicated with local server, acquisition data are uploaded or receives the order issued.
In the present embodiment, acquisition terminal includes acquisition module, management control module and LORA module.As shown in Fig. 2, described
The management control flow that acquisition terminal networks for the first time is as follows:
(1) LORA module radio frequency parameter is set: according to gateway end parameter configuration, terminal parameter such as transmission power being set, is passed
Defeated frequency and aerial rate etc., it is matching.
(2) application networks: CAD listens to channel idle first, if busy, random delay keeps out of the way a period of time, is repeated several times
It is idle not yet, then it exits waiting for a moment, is further continued for listening to, until channel idle.Networking request for data frame is sent, gateway is received
Network address, current time and the network parameter of Echo Frame, parsing and storage distribution, network successfully.
(3) active reporting and response command: 1. according to interval is reported, 2. usual terminal is in the data of timing acquiring equipment
Dormant state is waken up to report the moment, then uploads data according to TDMA mechanism timing wake-up, upload several times it is unsuccessful, then again
The 8. wake-up that networks is response command process, is specifically divided to broadcast and two kinds of unicast, if wherein unicast wake-up address is oneself, is made back
It answers, if not then ignoring, broadcast clock synchronization then updates terminal time, broadcast parameter, and then 4. undated parameter calculates down according to system parameter
It is primary to wake up the moment, continue suspend mode, waits and waking up, repeatedly.
In the present embodiment, gateway includes management control module, LORA module and GPRS module.The gateway management control stream
Journey is as follows: 1. managing network parameter, such as terminal number uploads byte number, reports interval, upload the period, Wakeup interval, wake up word
Joint number etc..2. management terminal networks, network address 3. timing clock synchronization is distributed and managed, guarantees that gateway is consistent with terminal timing and 4. turns
The data that report are sent out to local server, while response server order.
In the present embodiment, communication is based on TDMA between gateway and multiple acquisition terminals, communicates collisionless, specific time distribution is such as
Shown in Fig. 3.It uploading in the period, the fixed time slot of each terminal distribution is used for active reporting data and possible command process,
The idle time in period is used for command process.It can be used for wake-up command as free segment in time slot, meeting foundation to be called out in program
Byte number, radio frequency rate of waking up etc. further calculates to determine, to avoid conflict.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
It is further to note that specific technical features described in the above specific embodiments, in reconcilable situation
Under, it can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention is to various possible combinations
No further explanation will be given for mode.In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to thought of the invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of LORA data acquisition control system based on TDMA characterized by comprising local server, gateway and more
A acquisition terminal；The gateway is connect by wireless GPRS with the local server and is sent to local clothes for that will receive data
The order that business device and response local server issue；The gateway and the multiple acquisition terminal are wirelessly communicated by LORA to be connected
Connect the related data for receiving acquisition；The acquisition terminal is connect by RS485 or RS232 interface with external equipment and is used for
The data collection and control of relevant device.
2. a kind of LORA data acquisition control system based on TDMA as described in claim 1, which is characterized in that
The acquisition terminal includes: 1. acquisition module, is connect by RS485 or RS23 interface with external equipment, is acquired relevant
Data and control equipment；2. management control module, configuration radio frequency parameter, application networking, clock synchronization and support TDMA algorithm timing
Wake up terminal；8. LORA module, with gateway communication, active upload data or reception and response gateway wake-up command.
3. a kind of LORA data acquisition control system based on TDMA as described in claim 1, which is characterized in that
The gateway includes: 1. management control module, Configuration network parameter and radio frequency parameter, management terminal network, broadcast clock synchronization,
Unicast/broadcast wakeup terminal；2. LORA module, communicates with terminal, receives and respond the data uploaded and issue wake-up command；⑧
GPRS module is communicated with local server, is uploaded acquisition data or is received the order issued.
4. a kind of LORA data acquisition control system based on TDMA as described in claim 1, which is characterized in that the acquisition
The management control flow that terminal networks for the first time is as follows:
(1) LORA module radio frequency parameter is set: according to gateway end parameter configuration, terminal parameter such as transmission power, transmitting pin are set
Rate and aerial rate etc., it is matching；
(2) application networks: CAD listens to channel idle first, if busy, random delay keeps out of the way a period of time, is repeated several times not yet
Free time then exits waiting for a moment, is further continued for listening to, until channel idle；Networking request for data frame is sent, gateway response is received
Network address, current time and the network parameter of frame, parsing and storage distribution, network successfully；
(3) active reporting and response command: 1. basis reports interval, the data of timing acquiring equipment；Stop 2. usual terminal is in
Dormancy state is waken up to report the moment, then uploads data according to TDMA mechanism timing wake-up, upload several times it is unsuccessful, then back into
Net；3. waking up is response command process, specifically it is divided to broadcast and two kinds of unicast, if it is oneself that wherein unicast, which wakes up address, makes
It responds, if not then ignoring, broadcast clock synchronization then updates terminal time, broadcast parameter then undated parameter；4. according to system parameter meter
Calculation wakes up the moment next time, continues suspend mode, waits and waking up, repeatedly.
5. a kind of LORA data acquisition control system based on TDMA as claimed in claim 4, which is characterized in that the gateway
Management control flow is as follows: 1. managing network parameter, such as terminal number uploads byte number, reports interval, upload the period, wake up
Interval, wakeup byte number etc.；2. management terminal networks, distribution and management network address；3. timing clock synchronization guarantees gateway and terminal
Timing is consistent；4. forwarding the data that report to local server, while response server order.
6. a kind of LORA data acquisition control system based on TDMA as claimed in claim 4, which is characterized in that gateway and more
Communication is based on TDMA between a acquisition terminal, communicates collisionless, is uploading in the period, and the fixed time slot of each terminal distribution is used for
Active reporting data and possible command process, idle time in the period are used for command process.
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| CN201811522484.0A CN109862068A (en) | 2018-12-12 | 2018-12-12 | A kind of LORA data acquisition control system based on TDMA |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110337147A (en) * | 2019-07-24 | 2019-10-15 | 无锡灵龙芯物联网科技有限公司 | A kind of LORA data communications method based on TMDA and fixed log-in window |
| CN110337070A (en) * | 2019-07-24 | 2019-10-15 | 无锡灵龙芯物联网科技有限公司 | A kind of LORA data communications method based on TDMA |
| CN110363980A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | LoRa acquisition device and its acquisition method based on TDMA and Contiki |
| CN110459046A (en) * | 2019-07-31 | 2019-11-15 | 郭禄鹏 | A kind of reliable oil field instrument communication system and method |
| CN110572481A (en) * | 2019-10-15 | 2019-12-13 | 广西交通科学研究院有限公司 | intelligent electromechanical equipment data interaction method and system based on LoRa communication |
| CN111031509A (en) * | 2019-12-23 | 2020-04-17 | 山东有人信息技术有限公司 | LoRa wireless substitution method of RS485 bus |
| CN111132286A (en) * | 2019-12-18 | 2020-05-08 | 京东方科技集团股份有限公司 | Data issuing method and device, electronic equipment and computer readable storage medium |
| CN111372215A (en) * | 2020-03-16 | 2020-07-03 | 南京荣泰电气自动化有限公司 | LORA-based single-channel synchronous information acquisition system and method |
| CN111586644A (en) * | 2020-05-13 | 2020-08-25 | 军事科学院系统工程研究院后勤科学与技术研究所 | Multi-node anti-collision method and device based on narrow-band communication of Internet of things |
| CN111836277A (en) * | 2019-04-19 | 2020-10-27 | 武汉所为科技有限公司 | Lora communication method, Lora node and Lora communication system |
| CN111918307A (en) * | 2020-07-31 | 2020-11-10 | 重庆邮电大学 | Multilayer gateway data transmission system and method based on LoRa positioning |
| CN111935723A (en) * | 2020-06-01 | 2020-11-13 | 东南大学 | Wireless data transmission terminal and transmission method |
| CN112087808A (en) * | 2020-08-11 | 2020-12-15 | 济南信通达电气科技有限公司 | Wireless communication networking method and device |
| CN112185087A (en) * | 2020-08-03 | 2021-01-05 | 广东省建筑科学研究院集团股份有限公司 | Serial port Internet of things device with low power consumption and automatic civil engineering monitoring system |
| CN112423243A (en) * | 2021-01-22 | 2021-02-26 | 北京电信易通信息技术股份有限公司 | Ultra-long-distance electric vehicle data returning system and returning method |
| CN112752234A (en) * | 2020-12-30 | 2021-05-04 | 深圳中创艾宝技术有限公司 | Communication link transmission method and system based on narrowband wireless ad hoc network |
| CN112801320A (en) * | 2021-02-05 | 2021-05-14 | 苏州捷杰传感技术有限公司 | Data acquisition system, monitoring system and data acquisition method for rail train bearing |
| CN117061274A (en) * | 2023-10-12 | 2023-11-14 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
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| CN111836277A (en) * | 2019-04-19 | 2020-10-27 | 武汉所为科技有限公司 | Lora communication method, Lora node and Lora communication system |
| CN110337070A (en) * | 2019-07-24 | 2019-10-15 | 无锡灵龙芯物联网科技有限公司 | A kind of LORA data communications method based on TDMA |
| CN110337147B (en) * | 2019-07-24 | 2023-06-20 | 无锡灵龙芯物联网科技有限公司 | LORA data communication method based on TMDA and fixed registration window |
| CN110337147A (en) * | 2019-07-24 | 2019-10-15 | 无锡灵龙芯物联网科技有限公司 | A kind of LORA data communications method based on TMDA and fixed log-in window |
| CN110363980B (en) * | 2019-07-25 | 2021-08-27 | 四川长虹电器股份有限公司 | LoRa acquisition device based on TDMA and Contiki and acquisition method thereof |
| CN110363980A (en) * | 2019-07-25 | 2019-10-22 | 四川长虹电器股份有限公司 | LoRa acquisition device and its acquisition method based on TDMA and Contiki |
| CN110459046A (en) * | 2019-07-31 | 2019-11-15 | 郭禄鹏 | A kind of reliable oil field instrument communication system and method |
| CN110572481A (en) * | 2019-10-15 | 2019-12-13 | 广西交通科学研究院有限公司 | intelligent electromechanical equipment data interaction method and system based on LoRa communication |
| CN110572481B (en) * | 2019-10-15 | 2022-07-08 | 广西交科集团有限公司 | Intelligent electromechanical equipment data interaction method based on LoRa communication |
| CN111132286A (en) * | 2019-12-18 | 2020-05-08 | 京东方科技集团股份有限公司 | Data issuing method and device, electronic equipment and computer readable storage medium |
| CN111031509A (en) * | 2019-12-23 | 2020-04-17 | 山东有人信息技术有限公司 | LoRa wireless substitution method of RS485 bus |
| CN111372215B (en) * | 2020-03-16 | 2022-06-03 | 南京荣泰电气自动化有限公司 | LORA-based single-channel synchronous information acquisition system and method |
| CN111372215A (en) * | 2020-03-16 | 2020-07-03 | 南京荣泰电气自动化有限公司 | LORA-based single-channel synchronous information acquisition system and method |
| CN111586644A (en) * | 2020-05-13 | 2020-08-25 | 军事科学院系统工程研究院后勤科学与技术研究所 | Multi-node anti-collision method and device based on narrow-band communication of Internet of things |
| CN111935723A (en) * | 2020-06-01 | 2020-11-13 | 东南大学 | Wireless data transmission terminal and transmission method |
| CN111918307A (en) * | 2020-07-31 | 2020-11-10 | 重庆邮电大学 | Multilayer gateway data transmission system and method based on LoRa positioning |
| CN112185087A (en) * | 2020-08-03 | 2021-01-05 | 广东省建筑科学研究院集团股份有限公司 | Serial port Internet of things device with low power consumption and automatic civil engineering monitoring system |
| CN112087808A (en) * | 2020-08-11 | 2020-12-15 | 济南信通达电气科技有限公司 | Wireless communication networking method and device |
| CN112752234A (en) * | 2020-12-30 | 2021-05-04 | 深圳中创艾宝技术有限公司 | Communication link transmission method and system based on narrowband wireless ad hoc network |
| CN112423243A (en) * | 2021-01-22 | 2021-02-26 | 北京电信易通信息技术股份有限公司 | Ultra-long-distance electric vehicle data returning system and returning method |
| CN112801320A (en) * | 2021-02-05 | 2021-05-14 | 苏州捷杰传感技术有限公司 | Data acquisition system, monitoring system and data acquisition method for rail train bearing |
| CN112801320B (en) * | 2021-02-05 | 2024-04-02 | 苏州捷杰传感技术有限公司 | Data acquisition system, monitoring system and data acquisition method for rail train bearing |
| CN117061274A (en) * | 2023-10-12 | 2023-11-14 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
| CN117061274B (en) * | 2023-10-12 | 2024-01-12 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
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Application publication date: 20190607 |