CN105763364A - 2.4G chip-based multi-sub node large-scale networking method - Google Patents
2.4G chip-based multi-sub node large-scale networking method Download PDFInfo
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- CN105763364A CN105763364A CN201610041230.1A CN201610041230A CN105763364A CN 105763364 A CN105763364 A CN 105763364A CN 201610041230 A CN201610041230 A CN 201610041230A CN 105763364 A CN105763364 A CN 105763364A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000006855 networking Effects 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims description 16
- 238000012795 verification Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/56—Queue scheduling implementing delay-aware scheduling
- H04L47/562—Attaching a time tag to queues
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/622—Queue service order
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention particularly relates to a 2.4G chip-based multi-sub node large-scale networking method, which belongs to the field of network communication and aims at improving the sub node networking success rate more effectively, reducing data collision and enabling the sub nodes to perform networking registration effectively and orderly. The 2.4G chip-based multi-sub node large-scale networking method comprises the following steps: S1, sub node signals are queued for entering; S2, non-added sub node signals entering in the first step are subjected to pre-numbering; S3, the numbered sub nodes query a host busy or free signal, the host is judged whether to perform equipment added registration, direct registration is carried out if not, time delay T processing is carried out on sub node signals not entering to be added, the sub nodes send a query signal to the host each T time, the operation is repeated until added registration; and S4, the sub node signals after entering are checked, fed back and processed.
Description
Technical field
The present invention relates to network communication field, a kind of method being specifically related to multiple child node large-scale network-estabilishings based on 2.4G chip.
Background technology
The scheme of prior art:
It is that the mode adopting signal relay is transmitted between the child node of the technical characterstic for zigbee: zigbee, in the network of zigbee, the communication of each child node can have a fixing routing algorithm, how namely the point that each child node is force transfer being calculated through the agreement of zigbee, the network of zigbee can optimize the optimum line of each here.
The shortcoming of prior art:
Owing to the optimization process of each circuit is sufficiently complex, often increasing a node, the probability in path can increase with the order of magnitude of index, and this child node quantity also having resulted in zigbee is difficult to increase.Even if in addition the communication path of all child nodes being fixed up, if some child node there occurs movement, network characteristics according to zigbee self-healing property, all of path is recalculated again, the most rational path of optimization, so can cause control instruction transmission delay, or control node cannot be arrived.
Networking mode defect: due to the network construction characteristic of zigbee, causes that maximum defect is exactly that the quantity of networking is difficult to up, because often increasing a number of devices, the data volume of calculating is all doubled and redoubled, and this is difficult to apply to large number of application scenarios.
Summary of the invention
A kind of method that it is an object of the present invention to provide multiple child node large-scale network-estabilishings based on 2.4G chip, solves when existing networking mode carries out large-scale network-estabilishing for multiple child nodes that often efficiency is low, the success rate also problem such as low.
For achieving the above object, the technical solution adopted in the present invention is: comprise the following steps:
S1 child node Signal Queue enters；
The un-added child node signal that S1 is entered by S2 carries out pre-numbering；
Child node inquiry main frame busy signal after S3 numbering, judge whether main frame is carrying out equipment interpolation registration, without then directly registering, the child node signal being introduced into adding is sent delay time T process simultaneously, child node sends a request signal every T time to main frame, so repeatedly, until adding registration；
Child node signal after entering is carried out verification feedback and processes by S4.
As preferably, S3 specifically includes following steps:
S31 child node inquiry main frame busy signal, it is judged that whether main frame is carrying out equipment interpolation registration；
If S32 main frame sends not busy signal, represent not in registration, then proceed to S33；If main frame is in busy signal, represents that main frame is registered, then transfer the possession of S34；
S33 main frame sends delay package successively to hereafter connecting the child node come in while adding registration equipment, and the interval of each delay package is 2ms；
S34 child node inquiry main frame is busy signal, and obtain delay package it is resolved, comprising the child node to inquiry in this delay package and carry out the process time T of time delay, child node sends a request signal every T time to main frame, so repeatedly, until adding registration.
As preferably, S4 is specific as follows: if there being new equipment to report, and main frame can comparison database MAC Address；If not having this MAC Address newly reported inside data base, then a numbering redistributed by main frame, if the MAC Address newly reported exists in data base, then and the numbering before main frame repeating transmission.
As preferably, S4 also includes main frame for not determining the unit check of interpolation: child node is authenticated by main frame again, child node can individually be sent request signal by main frame, if child node has response, illustrate that this child node has been added successfully, if child node is not responded, then enter the next one and add samsara.
As preferably, S4 also includes the verification to communication: carrying out complementation for each data of all communications and sue for peace, the result only meeting corresponding conditions can be considered valid data.
As preferably, described condition is:
Ground floor is the verification of standard CRC, and the second layer is that data complementation is sued for peace again, meets two conditions simultaneously, is then considered as valid data.
As preferably, also include after S5 networking completes, gateway sends a control signal, each child node is likely to be received this signal, this signal can be analyzed and data deciphering after reception, be operated if not to current node, then this child node can carry out signal processing and amplifying, each child node only forwards 1 time for identical correct signal, and this signal is amplified processing by the time according to host definition signal.
The method have the advantages that and can the shortest time equipment be operated, the path of middle child node transmission need not be considered, and it is the same with the force transfer effect of zigbee, if child node there occurs that displacement also need not recalculate communication path, while ensureing stable signal transmission to greatest extent, improve again the efficiency of networking.Secondly because adopt be broadcast mode, do not rely on the reliability of single child node, as long as delivering path there being arbitrary child node carrying out effective communication, all can Successful transmissions information, therefore substantially increase the success rate of communication transfer.
Accompanying drawing explanation
Fig. 1 is child node delay process schematic diagram of mechanism；
Fig. 2 is signal processing and amplifying schematic diagram of mechanism after networking completes.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly understand, develop simultaneously embodiment referring to accompanying drawing, the present invention is described in further details.
A kind of method of the multiple child node large-scale network-estabilishings based on 2.4G chip, step is as follows:
S1 child node Signal Queue enters；
The signal of 4 child nodes can be added location registration process due to currently employed system and chip at most in the same time by S2, so needing the S1 un-added child node signal entered is carried out pre-numbering；
Child node inquiry main frame busy signal after S3 numbering, judge whether main frame is carrying out equipment interpolation registration, without then directly registering, the child node signal being introduced into adding is sent delay time T process simultaneously, child node sends a request signal every T time to main frame, so repeatedly, until after adding registration；
Child node signal after entering is carried out verification feedback and processes by S4.
Further, S3 specifically includes following steps:
S31 child node inquiry main frame busy signal, it is judged that whether main frame is carrying out equipment interpolation registration；
If S32 main frame sends not busy signal, represent that then N number of child node directly adds registration, and wherein the span of N is the integer of 1 to 4, including end value, it is assumed herein that simultaneously enter 4 child nodes not in registration；If main frame is in busy signal, representing that main frame is registered, all the other child nodes are then waited in line to process；
S33 main frame sends 3 delay package successively to hereafter connecting 3 child nodes come in while adding registration equipment, and the interval of each delay package is 2ms；
If S34 child node inquiry main frame is busy signal, and obtain delay package it is resolved, comprise the child node to inquiry inside this delay package and carry out the process of time delay, the delayed data that such as child node receives is 10ms, then send out a request signal to main frame again after child node time delay 10ms, so repeatedly, until after adding registration.
Further, also include the verification after child node is added: each child node has a unique identifier MAC Address, when adding, each child node can report gateway this string number, the gateway string building database by reporting, then the same child node of building database issue corresponding numbering (1,2,3,4 ...), if there being identical MAC Address report to report, re-issue numbering after host side contrast, so process and a MAC Address can be avoided to have multiple numbering (reporting the situation that quantity is more than actual quantity)；
If there being new equipment to report, main frame meeting comparison database, if there is no this MAC Address newly reported inside data base, a numbering will be redistributed, the numbering if the MAC Address newly reported exists in data base, then before retransmitting.
Further, main frame is not for determining the equipment processing method of interpolation:
Child node can be authenticated by main frame again, and child node can individually be sent request signal by main frame, if child node has response, it was demonstrated that this child node is added successfully, if child node is not responded, then enters the next one and adds samsara.
Further, also include the verification of communication: all carrying out complementation for each data of all communications and sue for peace, the result only satisfied condition can be considered valid data, and wherein, each child node has the MAC Address of unique 64.
Here is the explanation of an effective instruction:
Director data composition form is: synchronous code (0xFF)+packet length (0x0000)+Packet type (0x00)+ID (0X00)+numbering (0x0000)+interpolation equipment (0x0000)+reset (0x00)+upgrading (0x00)+unlatching/closedown (0x00)+adjustment (0x00)+inquiry (0x00)+reading (0x00)+sight switch (0x0000, )+verification (0x0000) 19bytes data composition, (verification=front 17bytes data sum).
Further, after networking completes, gateway sends a control signal, each child node is likely to be received this signal, this signal can be analyzed and data deciphering after reception, be operated if not to current node, then this child node can carry out signal processing and amplifying, each child node only forwards 1 time for identical correct signal, and this signal is amplified processing by the time according to host definition signal.Due to human body to the perception of time at more than 200ms, arranging single child node, to process the time be 200ms, therefore maximum at present can be amplified to 6 layers.
As shown in Figure 2: main frame sends the signal of control equipment E, but E is not within the communication radius of main frame, main frame can issue the equipment in its communication radius control instruction, for instance A, A can judge after receiving instruction, being the instruction of oneself, the instruction if not oneself can forward again, transmits with this, until signal is passed on equipment E, in this process, what middle equipment played is the effect of relaying bridge joint, is similar to the force transfer of zigbee.
Those of ordinary skill in the art is it will be appreciated that embodiment described here is to aid in the implementation of the reader understanding present invention, it should be understood that protection scope of the present invention is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete deformation and combination without departing from essence of the present invention according to these technology disclosed by the invention enlightenment, and these deformation and combination remain in protection scope of the present invention.
Claims (7)
1. the method based on multiple child node large-scale network-estabilishings of 2.4G chip, it is characterised in that comprise the following steps:
S1 child node Signal Queue enters；
The un-added child node signal that S1 is entered by S2 carries out pre-numbering；
Child node inquiry main frame busy signal after S3 numbering, judge whether main frame is carrying out equipment interpolation registration, without then directly registering, the child node signal being introduced into adding is sent delay time T process simultaneously, child node sends a request signal every T time to main frame, so repeatedly, until adding registration；
Child node signal after entering is carried out verification feedback and processes by S4.
2. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 1, it is characterised in that S3 specifically includes following steps:
S31 child node inquiry main frame busy signal, it is judged that whether main frame is carrying out equipment interpolation registration；
If S32 main frame sends not busy signal, represent not in registration, then proceed to S33；If main frame is in busy signal, represents that main frame is registered, then transfer the possession of S34；
S33 main frame sends delay package successively to hereafter connecting the child node come in while adding registration equipment, and the interval of each delay package is 2ms；
S34 child node inquiry main frame is busy signal, and obtain delay package it is resolved, comprising the child node to inquiry in this delay package and carry out the process time T of time delay, child node sends a request signal every T time to main frame, so repeatedly, until adding registration.
3. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 2, it is characterised in that S4 is specific as follows: if there being new equipment to report, main frame can comparison database MAC Address；If not having this MAC Address newly reported inside data base, then a numbering redistributed by main frame, if the MAC Address newly reported exists in data base, then and the numbering before main frame repeating transmission.
4. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 3, it is characterized in that, S4 also includes main frame for not determining the unit check of interpolation: child node is authenticated by main frame again, child node can individually be sent request signal by main frame, if child node has response, illustrate that this child node is added successfully, if child node is not responded, then enter the next one and add samsara.
5. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 3 or 4, it is characterized in that, S4 also includes the verification to communication: carrying out complementation for each data of all communications and sue for peace, the result only meeting corresponding conditions can be considered valid data.
6. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 5, it is characterised in that described condition is:
Ground floor is the verification of standard CRC, and the second layer is that data complementation is sued for peace again, meets two conditions simultaneously, is then considered as valid data.
7. the method for a kind of multiple child node large-scale network-estabilishings based on 2.4G chip according to claim 1, it is characterized in that, also include after S5 networking completes, gateway sends a control signal, each child node is likely to be received this signal, this signal can be analyzed and data deciphering after reception, it is operated if not to current node, then this child node can carry out signal processing and amplifying, each child node only forwards 1 time for identical correct signal, and this signal is amplified processing by the time according to host definition signal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106658532A (en) * | 2016-10-27 | 2017-05-10 | 江苏钜芯集成电路技术股份有限公司 | Multi-subnode large-scale networking method based on 2.4GHz wireless technology |
| CN107071994A (en) * | 2016-12-29 | 2017-08-18 | 深圳市卓翼科技股份有限公司 | Intelligent lamp system and its network-building method |
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| WO2008096912A1 (en) * | 2007-02-04 | 2008-08-14 | Ki-Hyung Kim | Method for allowing a family-based address in a wireless sensor network, and method for hierarchical routing a path setting using the same |
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