CN107370665A - A kind of instant text communications method of low-power consumption suitable for LoRa networks - Google Patents
A kind of instant text communications method of low-power consumption suitable for LoRa networks Download PDFInfo
- Publication number
- CN107370665A CN107370665A CN201710586234.2A CN201710586234A CN107370665A CN 107370665 A CN107370665 A CN 107370665A CN 201710586234 A CN201710586234 A CN 201710586234A CN 107370665 A CN107370665 A CN 107370665A
- Authority
- CN
- China
- Prior art keywords
- user
- server end
- app
- mobile terminal
- lora
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- 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 present invention relates to a kind of instant text communications method of the low-power consumption suitable for LoRa networks.Including server end, mobile terminal, the server end, mobile terminal are separately installed with server end app, mobile terminal app, to realize communication between the two；This method：S1, user propose connection request through LoRa networks by mobile terminal app to server end app；S2, server end app are according to connection request, it is allowed to which user connects, and carries out presence registration to user；When S3, user offline, mobile terminal app is sent through LoRa networks to server end app disconnects request, and then server end app carries out user offline state registration.Online user that the present invention can be searched in LoRa networks, it can initiate to communicate connection request, the upper of user offline can be managed, can post-process off-line data in user offline, row buffering can be entered to user data realize that high efficiency is distributed.
Description
Technical field
The present invention relates to LoRa network text communication technique fields, more particularly to a kind of low-power consumption suitable for LoRa networks
Instant text communications method.
Background technology
LoRa is one kind in the LPWAN communication technologys, is that one kind that Semtech companies of the U.S. use and promoted is based on expanding
The overlength distance wireless transmission scheme of frequency technology.This scheme changes the compromise consideration side on transmission range and power consumption in the past
Formula, provide the user it is a kind of it is simple can realize at a distance, the system of long battery life, Large Copacity, and then extension sensing network.
LoRa technologies have remote, low-power consumption（Battery life is grown）, multinode, the characteristic of low cost.
In Internet of Things field, LoRa low-power consumption and low cost may for Internet of Things of new generation communication creation.But defect
Increasingly apparent, lower rate transmissions cause data volume one big, or the frequency acquisition of sensor terminal is once lifted, then data can
Packet loss can be caused.
For LoRa theoretical maximum transmission rate up to 37.5Kbps, this transmission for single-sensor data is enough
, but the increase of sensor area coverage, new collection capacity is introduced, these will more and more higher to transmission rate request.Especially
It is that LoRa is applied to communication field, in small-scale instant messaging, seems particularly for the transmission LoRa of a large amount of texts of user
Painstakingly, lower rate transmissions had both influenceed real-time property or had influenceed data validity.
The content of the invention
It is an object of the invention to for above weak point, there is provided a kind of low-power consumption suitable for LoRa networks is eight-legged essay
This means of communication, to realize the long haul transmission system of high efficiency, low cost.
To achieve the above object, the technical scheme is that：A kind of instant text of low-power consumption suitable for LoRa networks
The means of communication, including server end, mobile terminal, the server end, mobile terminal are separately installed with server end app, mobile terminal
App, to realize communication between the two；This method realizes that step is as follows,
S1, user propose connection request through LoRa networks by mobile terminal app to server end app；
S2, server end app are according to connection request, it is allowed to which user connects, and carries out presence registration to user；
When S3, user offline, mobile terminal app is sent through LoRa networks to server end app disconnects request, then server end
App carries out user offline state registration.
In an embodiment of the present invention, there is the mobile terminal app request connection, acquisition online user, initiation entirety to chat
My god, initiate private chat, the function that disconnects.
In an embodiment of the present invention, the server end app has data Caching Mechanism, processing off-line data, data
Distribution, generation online user list, the function for the historical data that saves historical data, checks.
In an embodiment of the present invention, the processing off-line data function, i.e., can carry out after user disconnects, protect
The deferred information that user sends to offline user is deposited, is transmitted again when user reaches the standard grade.
In an embodiment of the present invention, the data Caching Mechanism function is used for the lower rate transmissions for solving LoRa networks,
Prevent data long and cause packet loss.
In an embodiment of the present invention, the mobile terminal is mobile phone.
In an embodiment of the present invention, the server end is PC.
In an embodiment of the present invention, LoRa networks are accessed in the mobile terminal by bluetooth, and server end is connect by serial ports
Enter LoRa concentrators, and then access LoRa networks.
Compared to prior art, the invention has the advantages that：What the mechanics of communication of the inventive method was carried is
The Novel Delivery pattern of this low power consumption and low cost long range of LoRa, this transmission mode can effectively solve currently generally to utilize
The defects of high cost of GPRS technologies and dependence operator；Compared to existing conventional Internet of Things transmission mode, LoRa low-power consumption
The transmission feature of low cost and long range will be protruded increasingly, even may turn into communication modes of new generation certainly.But for
The transmission flaws of its low rate, the technology of the inventive method are aimed to solve the problem that the problem of its efficiency of transmission is low, connected using concentrator
The service end connect is distributed using the high efficiency of buffered data and data, realizes the validity and real-time of data.
Brief description of the drawings
Fig. 1 is each functional flow diagram of the embodiment of the present invention.
Fig. 2 is DFD of the present invention.
Note：Fig. 2 arrows show data flows to.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
A kind of instant text communications method of low-power consumption suitable for LoRa networks of the present invention, including server end, movement
End, the server end, mobile terminal are separately installed with server end app, mobile terminal app, to realize communication between the two；Should
Method realizes that step is as follows,
S1, user propose connection request through LoRa networks by mobile terminal app to server end app；
S2, server end app are according to connection request, it is allowed to which user connects, and carries out presence registration to user；
When S3, user offline, mobile terminal app is sent through LoRa networks to server end app disconnects request, then server end
App carries out user offline state registration.
The mobile terminal app has request connection, obtains online user, initiate all chats, initiate private chat, disconnect
Function.
The server end app has data Caching Mechanism, processing off-line data, data distribution, generation online user's row
The function of table, the historical data that saves historical data, checks.The processing off-line data function, i.e., can disconnect in user
After carry out, preserve the deferred information that user sends to offline user, be transmitted again when user reaches the standard grade.The data are delayed
The lower rate transmissions that mechanism function is used to solve LoRa networks are rushed, prevent that data are long and cause packet loss.
The mobile terminal is mobile phone.The server end is PC.
LoRa networks are accessed in the mobile terminal by bluetooth, and server end accesses LoRa concentrators, Jin Erjie by serial ports
Enter LoRa networks.
It is below the specific implementation process of the present invention.
As shown in figure 1, mobile phone application software can propose connection request by LoRa networks to server, after request connection
Server will register to user, be easy to search of the other users to online user；Similarly, when user offline to server
One disconnects request（Do not marked in figure, with connection request similarly）, it is easy to up and down wire management of the server to user.
On this basis, user can send the data to by server search online user, and by server
Specify user or total user.Data are sent by server, by carrying out data processing in server, including the 3rd point-to
User data buffers, and needs subpackage to send when data volume is excessive, and the 4th point-user data is distributed, pass through the rule made by oneself in bag
Then agreement is to specifying user to carry out data distribution.If targeted customer is offline, server is needed to off-line data processing,
Data are preserved, are transmitted again when user logs in next time.
Data flow figure is specific as shown in Figure 2, and cell-phone customer terminal first passes through the terminal device that the modes such as bluetooth access LoRa；
Signal is extended last combined data to concentrator by LoRa terminal devices by repeater.Concentrator is by the data summarization service of issuing
Device, server carry out information exchange, information are handled（It is indicated in Fig. 1）, concentrator is then sent information to, is concentrated
Device obtain decoded packet again correspond to be sent to different terminals, finally, another user passes through bluetooth in cell phone application
Receive the information that presentation of information transmits to server.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (8)
1. a kind of instant text communications method of low-power consumption suitable for LoRa networks, it is characterised in that：Including server end, movement
End, the server end, mobile terminal are separately installed with server end app, mobile terminal app, to realize communication between the two；Should
Method realizes that step is as follows,
S1, user propose connection request through LoRa networks by mobile terminal app to server end app；
S2, server end app are according to connection request, it is allowed to which user connects, and carries out presence registration to user；
When S3, user offline, mobile terminal app is sent through LoRa networks to server end app disconnects request, then server end
App carries out user offline state registration.
2. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 1, its feature exist
In：The mobile terminal app has request connection, obtains online user, the work(for initiating all chats, initiating private chat, disconnecting
Energy.
3. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 1, its feature exist
In：The server end app has data Caching Mechanism, processing off-line data, data distribution, generation online user list, guarantor
Deposit historical data, check the function of historical data.
4. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 3, its feature exist
In：The processing off-line data function, i.e., can be carried out after user disconnects, and preserve user and offline user is sent
Deferred information, be transmitted again when user reaches the standard grade.
5. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 3, its feature exist
In：The data Caching Mechanism function is used for the lower rate transmissions for solving LoRa networks, prevents that data are long and cause packet loss.
6. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 1, its feature exist
In：The mobile terminal is mobile phone.
7. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 1, its feature exist
In：The server end is PC.
8. a kind of instant text communications method of low-power consumption suitable for LoRa networks according to claim 1, its feature exist
In：LoRa networks are accessed in the mobile terminal by bluetooth, and server end accesses LoRa concentrators by serial ports, and then accesses LoRa
Network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710586234.2A CN107370665A (en) | 2017-07-18 | 2017-07-18 | A kind of instant text communications method of low-power consumption suitable for LoRa networks |
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| CN201710586234.2A CN107370665A (en) | 2017-07-18 | 2017-07-18 | A kind of instant text communications method of low-power consumption suitable for LoRa networks |
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Cited By (2)
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| CN108173920A (en) * | 2017-12-22 | 2018-06-15 | 成都博高信息技术股份有限公司 | Document transmission method based on LORAWAN |
| WO2023184794A1 (en) * | 2022-03-30 | 2023-10-05 | 歌尔股份有限公司 | Device control method, loudspeaker device, console, and storage medium |
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Application publication date: 20171121 |