CN112492013A - Multipoint file transmission and networking method based on LoRa - Google Patents
Multipoint file transmission and networking method based on LoRa Download PDFInfo
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- CN112492013A CN112492013A CN202011303219.0A CN202011303219A CN112492013A CN 112492013 A CN112492013 A CN 112492013A CN 202011303219 A CN202011303219 A CN 202011303219A CN 112492013 A CN112492013 A CN 112492013A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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- Small-Scale Networks (AREA)
Abstract
The invention provides a multipoint file transmission and networking method based on LoRa. The method comprises the following steps: s1 the gateway receives the files needed to be sent by the application layer and adds them into the sending queue; s2 the gateway reads the sending queue and the information of the file to be sent; the S3 gateway performs sub-packet processing on the read file data; the S4 gateway continuously initiates the start frame to start sending and the data field carries the file information. The multipoint file transmission and networking method based on LoRa has the advantages that the whole network formed by the gateways and the nodes is of a star structure, the gateways are dispatchers and file managers in the whole transmission process and control data flow of the whole network, the LoRa has the characteristics of long distance, low power consumption and low cost, particularly, the transmission protocol can be used for building a local area network under the condition of poor signals of the traditional cellular network, and the multipoint file transmission and networking method based on the LoRa is particularly suitable for performing long-distance file transmission in places with weak signals, such as the field, a large factory and the like.
Description
Technical Field
The invention relates to the technical field of wireless transmission of the Internet of things, in particular to a multipoint file transmission and networking method based on LoRa.
Background
LoRa is a technology developed by Semtech corporation, with a typical operating frequency of 915MHz in the united states, 868MHz in europe, and 433MHz in asia, and the physical layer of LoRa uses a unique form of spread spectrum technology with forward error correction.
This spread spectrum modulation allows multiple radios to use the same frequency band, as long as each device uses a different spreading factor and data rate, typically ranging from 2km to 5km, up to 15km, depending on the location and antenna characteristics.
Compared with the existing technologies such as wifi, Bluetooth and zigbee, the LoRa has the advantages of being long in distance, low in power consumption, low in cost, strong in anti-interference capacity and the like.
Compared with other transmission modes, the technical characteristics of the LoRa just meet the requirements, but the LoRa is only a wireless debugging technology and has no networking capability and a method for transmitting files.
Therefore, there is a need to provide a multipoint file transmission and networking method based on LoRa to solve the above technical problems.
Disclosure of Invention
The invention provides a multipoint file transmission and networking method based on LoRa, which solves the problems that LoRa has no networking capability and how to transmit files.
In order to solve the technical problem, the multipoint file transmission and networking method based on LoRa provided by the invention comprises the following steps:
s1 the gateway receives the files needed to be sent by the application layer and adds them into the sending queue;
s2 the gateway reads the sending queue and the information of the file to be sent;
the S3 gateway performs sub-packet processing on the read file data;
s4 the gateway continuously initiates the start frame to start sending and the data field carries the file information;
s5 the gateway broadcast appoints the need reply node, when the node receives the message, replies the gateway;
s6, when the gateway receives the node reply, the gateway broadcasts according to the sequence distributed by the file data;
s7, when the gateway broadcasts, it needs to send periodically and delay the process according to the network condition;
s8, when the gateway finishes sending, starting to enter a checking state;
the S9 gateway needs to poll the nodes in sequence when entering a data checking state, when the nodes receive data replies, the data is lost, and when the data is lost, the nodes return the lost frames;
s10 when the gateway receives the missing data sequence, it will continue to send data packet according to the sequence number until all data are sent;
s11 ends the transmission completely after each node receives the data and checks it correctly.
Preferably, the information of the file to be transmitted in S2 includes a name and a size of the file.
Preferably, in S5, when data is transmitted between the node and the gateway, a connection device is required to be used, and the connection device includes: the gateway comprises a gateway body, wherein one side of the gateway body is provided with a gateway interface, and two sides of the gateway interface are provided with positioning screws; the connection box is arranged on the outer surface of the gateway interface, one side of the connection box is provided with a connection groove, the interior of the connection box is provided with a limiting groove, one side of the connection box is provided with a threading hole, one side of the connection box is provided with two insertion holes, and both sides of the connection box are provided with positioning holes; the two groups of protective cushion strips are respectively fixed at the top and the bottom of the inner wall of the threading hole; one side of each of the two groups of cushion blocks is fixed on one side of the inner wall of the limiting groove; a connection plug connected to an interior surface of the gateway interface.
Preferably, the surface of the set screw is in threaded connection with the surface of the gateway interface, and the two set screws are symmetrically distributed.
Preferably, the inner surface of the connecting groove is matched with the surface of the gateway interface, and the inside of the limiting groove is communicated with the inside of the connecting groove.
Preferably, the inside of the threading hole is communicated with the inside of the limiting groove, and the size of the limiting groove is matched with that of the connecting plug.
Preferably, the insides of the two insertion holes are respectively communicated with the connecting groove and the inside of the threading hole, and the inner surfaces of the two insertion holes are matched with the size of the connecting plug.
Preferably, the inner surface of the positioning hole is matched with the relative position of the positioning screw, and the size of the threading hole is matched with the wire rod of the connecting plug.
Preferably, two sets of the both sides of protection filler strip are the arcwall face to the protection filler strip adopts the rubber material preparation, and is two sets of interval between the protection filler strip with wire rod size looks adaptation on the connecting plug.
Preferably, the two groups of cushion blocks are respectively positioned above and below the threading hole in the horizontal direction, and the cushion blocks are made of elastic rubber materials.
Compared with the related art, the multipoint file transmission and networking method based on LoRa provided by the invention has the following beneficial effects:
the invention provides a multipoint file transmission and networking method based on LoRa, wherein the whole network formed by gateways and nodes is a star structure, the gateways are dispatchers and file managers in the whole transmission process and control the data flow of the whole network, the LoRa has the characteristics of long distance, low power consumption and low cost, and particularly can be used for constructing a local area network under the condition of poor signals of the traditional cellular network, and is particularly suitable for performing long-distance file transmission in places with weak signals, such as the field, a large factory and the like.
Drawings
Fig. 1 is a topology structure of a whole network of a multipoint file transmission and networking method based on LoRa provided by the present invention;
fig. 2 is a complete data packet communication flow diagram of a multipoint file transmission and networking method based on LoRa according to the present invention;
fig. 3 is a communication flow chart of missing packets of the method for multipoint file transmission and networking based on LoRa according to the present invention;
fig. 4 is a schematic structural diagram of a wiring device in the method for multipoint file transmission and networking based on LoRa provided in the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic structural view of the portion of the junction box shown in FIG. 4;
fig. 7 is a schematic view of the assembled unit shown in fig. 4.
Reference numbers in the figures: 1. gateway body, 11, gateway interface, 12, set screw, 2, connecting box, 21, spread groove, 22, spacing groove, 23, through wires hole, 231, the ann's jack, 24, locating hole, 3, protection filler strip, 4, cushion block, 5, connecting plug.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a topology structure of a whole network of a multipoint file transmission and networking method based on LoRa according to the present invention; fig. 2 is a complete data packet communication flow diagram of a multipoint file transmission and networking method based on LoRa according to the present invention; fig. 3 is a communication flow chart of missing packets of the method for multipoint file transmission and networking based on LoRa according to the present invention; fig. 4 is a schematic structural diagram of a wiring device in the method for multipoint file transmission and networking based on LoRa provided in the present invention; FIG. 5 is an enlarged view of portion A of FIG. 4; FIG. 6 is a schematic structural view of the portion of the junction box shown in FIG. 4; fig. 7 is a schematic view of the assembled unit shown in fig. 4. A multipoint file transmission and networking method based on LoRa comprises the following steps: the method comprises the following steps:
s1 the gateway receives the files needed to be sent by the application layer and adds them into the sending queue;
s2 the gateway reads the sending queue and the information of the file to be sent;
the S3 gateway performs sub-packet processing on the read file data;
s4 the gateway continuously initiates the start frame to start sending and the data field carries the file information;
s5 the gateway broadcast appoints the need reply node, when the node receives the message, replies the gateway;
s6, when the gateway receives the node reply, the gateway broadcasts according to the sequence distributed by the file data;
s7, when the gateway broadcasts, it needs to send periodically and delay the process according to the network condition;
s8, when the gateway finishes sending, starting to enter a checking state;
the S9 gateway needs to poll the nodes in sequence when entering a data checking state, when the nodes receive data replies, the data is lost, and when the data is lost, the nodes return the lost frames;
s10 when the gateway receives the missing data sequence, it will continue to send data packet according to the sequence number until all data are sent;
s11 ends the transmission completely after each node receives the data and checks it correctly.
The whole network formed by the gateways and the nodes is a star structure, and the gateways are dispatchers and file managers in the whole transmission process and control data flow of the whole network;
the LoRa has the characteristics of long distance, low power consumption and low cost, and particularly can utilize the transmission protocol to establish a local area network under the condition of poor signals of the traditional cellular network, thereby being particularly suitable for performing long-distance file transmission in places with weak signals, such as the field, large plants and the like.
The information of the file to be transmitted in S2 includes the name and size of the file.
The working principle of the multipoint file transmission and networking method based on LoRa is as follows:
the gateway receives a file required to be sent by an application layer and adds the file into a sending queue;
reading the queue and reading the information of the file to be sent;
performing sub-packet processing on the read file data;
the gateway continuously initiates a start frame for starting sending, and a data field carries file information;
when the gateway broadcasts, a node needing to reply is designated, and the node replies to the gateway after receiving the message;
when the gateway receives the node reply, the gateway broadcasts according to the sequence well distributed by the file data;
when the gateway broadcasts, the gateway needs to periodically send and carry out delay processing according to the network condition;
after the gateway finishes sending, starting to enter a checking state;
when the gateway enters a data verification state, nodes need to be polled in sequence, when the nodes receive data replies, the data can be lost, and when the data is lost, the nodes can return the lost frames;
when the gateway receives the missing data sequence, the gateway continues to send the data packet according to the sequence number until all data are sent;
and after each node receives the data and checks the data to be correct, the transmission is completely finished.
Compared with the related art, the multipoint file transmission and networking method based on LoRa provided by the invention has the following beneficial effects:
the whole network formed by the gateways and the nodes is a star-shaped structure, the gateways are dispatchers and file managers in the whole transmission process and control data flow of the whole network, LoRa has the characteristics of long distance, low power consumption and low cost, and particularly under the condition of poor signals of the traditional cellular network, the transmission protocol can be used for building a local area network, so that the method is particularly suitable for long-distance file transmission in places with weak signals, such as the field, a large factory and the like.
A multipoint file transmission and networking method based on LoRa, where a wiring device is needed to be used for data transmission between a node and a gateway in S5, and the wiring device includes: the gateway comprises a gateway body 1, wherein a gateway interface 11 is arranged on one side of the gateway body 1, and positioning screws 12 are arranged on two sides of the gateway interface 11; the connection box 2 is arranged on the outer surface of the gateway interface 11, a connection groove 21 is formed in one side of the connection box 2, a limit groove 22 is formed in the connection box 2, a threading hole 23 is formed in one side of the connection box 2, two insertion holes 231 are formed in one side of the connection box 2, and positioning holes 24 are formed in both sides of the connection box 2; the two groups of protective filler strips 3 are respectively fixed at the top and the bottom of the inner wall of the threading hole 23; one side of each of the two groups of cushion blocks 4 is fixed on one side of the inner wall of the limiting groove 22; a connection plug 5, the connection plug 5 being connected to an inner surface of the gateway interface 11.
The gateway interface 11 is mainly used for splicing and connecting joints, so that the connecting plug 5 can be stably connected with the gateway body 1 through the gateway interface 11 and transmit data, and after the gateway interface 11 is inserted between the connecting plugs 5, in the wiring and arranging process, the connecting part of the connecting plug 5 and the gateway interface 11 is easy to loosen and fall off under the action of external force, so that the connection between the connecting plug 5 and the gateway body 1 is influenced;
the connection box 2 is arranged outside the gateway interface 11, the connection box 2 is conveniently connected with the gateway interface 11 through the connection groove 21, when the connection groove 21 is completely covered on the outer surface of the gateway interface 11, the positioning screw 12 is preferentially dismounted, the positioning hole 24 is aligned to the mounting position of the positioning screw 12, and the dismounted positioning screw 12 is mounted on the positioning hole 24, so that the connection box 2 is conveniently and stably mounted on the gateway interface 11;
the connecting box 2 is provided with a limiting groove 22, and the installed connecting plug 5 is conveniently pressed through a buffer cushion block 4 in the limiting groove 22, so that the stability of the connecting plug 5 in the running state is improved, and the data distortion caused by the looseness of the connecting plug 5 is avoided;
the ann's jack 231 of through wires hole 23 both sides makes things convenient for packing into of connecting plug 5, connecting plug 5 inserts gateway interface 11 after through wires hole 23 on, it is neat to insert the interface on the gateway interface 11 in proper order according to the order of arranging, connecting plug 5 pegs graft and accomplishes the back, the circuit that connecting plug 5 connects moves into the inside of through wires hole 23 through ann's jack 231, the position of through wires hole 23 and gateway interface 11's position looks adaptation, make the circuit by the centre gripping at the middle part of protection filler strip 3, the curved structure of 3 both sides of protection filler strip, increase 5 circuits of connecting plug and pull the stability when winding displacement, avoid long-time right angle friction and the wearing and tearing that cause seriously, improve the stability of circuit winding displacement in-process, reduce the influence of winding displacement to 5 junctions of connecting plug.
The surface of the set screw 12 is in threaded connection with the surface of the gateway interface 11, and the two set screws 12 are symmetrically distributed.
The inner surface of the connection groove 21 is adapted to the surface of the gateway interface 11, and the inside of the limiting groove 22 is communicated with the inside of the connection groove 21.
The inside of threading hole 23 with the inside intercommunication of spacing groove 22, the size of spacing groove 22 with the size looks adaptation of connecting plug 5.
The insides of the two insertion holes 231 are respectively communicated with the inside of the connecting groove 21 and the inside of the threading hole 23, and the inner surfaces of the two insertion holes 231 are matched with the size of the connecting plug 5.
The inner surface of the positioning hole 24 is matched with the relative position of the positioning screw 12, and the size of the threading hole 23 is matched with the wire of the connecting plug 5.
Two sets of the both sides of protection filler strip 3 are the arcwall face to protection filler strip 3 adopts the rubber material preparation, and is two sets of interval between the protection filler strip 3 with wire rod size looks adaptation on the connecting plug 5.
The two groups of cushion blocks 4 are respectively positioned above and below the threading hole 23 in the horizontal direction, and the cushion blocks 4 are made of elastic rubber materials.
When the connecting plug 5 needs to be installed, the positioning screw 12 is preferentially detached, the connecting box 2 is pulled out, the connecting box 2 is completely separated from the surface of the gateway interface 11, the connecting plug 5 penetrates into the connecting box 2 from the outside of the connecting box 2 through the inserting hole 231, the connecting plug 5 is inserted according to the sequence of the inserting holes on the gateway interface 11, and after the connecting plug 5 is inserted, the circuit of the connecting plug 5 is pushed between the two groups of protective pad strips 3;
after circuit and connecting plug 5 have been inserted, the surface that pushes gateway interface 11 with the spread groove 21 on the connecting box 2, make locating hole 24 remove to on the mounted position of set screw 12, install set screw 12 again on gateway interface 11 and connecting box 2, with convenient connection and the fixing to connecting box 2, meanwhile, the conflict of the inside cushion block 4 fastening of spacing groove 22 is at connecting plug 5's the back, make connecting plug 5 stable assign in gateway interface 11's inside, with the stability of keeping connecting plug 5 to connect and the stability of wire rod, the effectual phenomenon of droing that takes place the plug when carrying out the winding displacement after connecting plug 5 assigns and accomplishes is avoided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A multipoint file transmission and networking method based on LoRa is characterized by comprising the following steps:
s1 the gateway receives the files needed to be sent by the application layer and adds them into the sending queue;
s2 the gateway reads the sending queue and the information of the file to be sent;
the S3 gateway performs sub-packet processing on the read file data;
s4 the gateway continuously initiates the start frame to start sending and the data field carries the file information;
s5 the gateway broadcast appoints the need reply node, when the node receives the message, replies the gateway;
s6, when the gateway receives the node reply, the gateway broadcasts according to the sequence distributed by the file data;
s7, when the gateway broadcasts, it needs to send periodically and delay the process according to the network condition;
s8, when the gateway finishes sending, starting to enter a checking state;
the S9 gateway needs to poll the nodes in sequence when entering a data checking state, when the nodes receive data replies, the data is lost, and when the data is lost, the nodes return the lost frames;
s10 when the gateway receives the missing data sequence, it will continue to send data packet according to the sequence number until all data are sent;
s11 ends the transmission completely after each node receives the data and checks it correctly.
2. The LoRa-based multipoint file transmission and networking method according to claim 1, wherein the information of the file to be transmitted in S2 includes a name and a size of the file.
3. The LoRa-based multipoint file transmission and networking method according to claim 1, wherein a wiring device is required for data transmission between the node and the gateway in S5, and the wiring device comprises: the gateway comprises a gateway body, wherein one side of the gateway body is provided with a gateway interface, and two sides of the gateway interface are provided with positioning screws;
the connection box is arranged on the outer surface of the gateway interface, one side of the connection box is provided with a connection groove, the interior of the connection box is provided with a limiting groove, one side of the connection box is provided with a threading hole, one side of the connection box is provided with two insertion holes, and both sides of the connection box are provided with positioning holes;
the two groups of protective cushion strips are respectively fixed at the top and the bottom of the inner wall of the threading hole;
one side of each of the two groups of cushion blocks is fixed on one side of the inner wall of the limiting groove;
a connection plug connected to an interior surface of the gateway interface.
4. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the surface of the set screw is in threaded connection with the surface of the gateway interface, and the two set screws are symmetrically distributed.
5. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the inner surface of the connecting groove is matched with the surface of the gateway interface, and the inside of the limiting groove and the inside of the connecting groove are communicated with each other.
6. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the inside of the threading hole is communicated with the inside of the limiting groove, and the size of the limiting groove is matched with the size of the connecting plug.
7. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the insides of the two installation holes are respectively communicated with the connecting groove and the inside of the threading hole, and the inner surfaces of the two installation holes are matched with the size of the connecting plug.
8. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the inner surface of the positioning hole is matched with the relative position of the positioning screw, and the size of the threading hole is matched with the wire of the connecting plug.
9. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein two sides of the two groups of protection filler strips are arc-shaped surfaces, the protection filler strips are made of rubber materials, and the space between the two groups of protection filler strips is matched with the size of the wire on the connecting plug.
10. The LoRa-based multipoint file transmission and networking method according to claim 3, wherein the two groups of cushion blocks are respectively positioned above and below the threading hole in the horizontal direction, and the cushion blocks are made of elastic rubber materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011303219.0A CN112492013B (en) | 2020-11-20 | 2020-11-20 | LoRa-based multi-point file transmission and networking method |
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| CN202011303219.0A CN112492013B (en) | 2020-11-20 | 2020-11-20 | LoRa-based multi-point file transmission and networking method |
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| CN107613583A (en) * | 2017-10-25 | 2018-01-19 | 上海海洋大学 | A kind of distributed wireless sensor network data summarization gateway |
| US20180024828A1 (en) * | 2015-02-17 | 2018-01-25 | Robert Bosch Gmbh | Method for wirelessly updating firmware in a wide area network |
| US20190223010A1 (en) * | 2016-09-21 | 2019-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and Apparatus for Communication |
| US20200112880A1 (en) * | 2018-10-09 | 2020-04-09 | Sagemcom Energy & Telecom Sas | Communication method |
| US20200136429A1 (en) * | 2018-10-29 | 2020-04-30 | Conectric, Llc | Systems and methods for a wireless sensor network |
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2020
- 2020-11-20 CN CN202011303219.0A patent/CN112492013B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180024828A1 (en) * | 2015-02-17 | 2018-01-25 | Robert Bosch Gmbh | Method for wirelessly updating firmware in a wide area network |
| US20190223010A1 (en) * | 2016-09-21 | 2019-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and Apparatus for Communication |
| CN107613583A (en) * | 2017-10-25 | 2018-01-19 | 上海海洋大学 | A kind of distributed wireless sensor network data summarization gateway |
| US20200112880A1 (en) * | 2018-10-09 | 2020-04-09 | Sagemcom Energy & Telecom Sas | Communication method |
| US20200136429A1 (en) * | 2018-10-29 | 2020-04-30 | Conectric, Llc | Systems and methods for a wireless sensor network |
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| CN112492013B (en) | 2023-07-04 |
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