CN108390948A - A kind of DAWN systems of intelligent radio regulation and control networking - Google Patents
A kind of DAWN systems of intelligent radio regulation and control networking Download PDFInfo
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- CN108390948A CN108390948A CN201810388488.8A CN201810388488A CN108390948A CN 108390948 A CN108390948 A CN 108390948A CN 201810388488 A CN201810388488 A CN 201810388488A CN 108390948 A CN108390948 A CN 108390948A
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- 230000006855 networking Effects 0.000 title claims abstract description 23
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000005622 photoelectricity Effects 0.000 claims abstract description 4
- 230000006870 function Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000005316 response function Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
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Classifications
-
- 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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention discloses a kind of DAWN systems of intelligent radio regulation and control networking, which is characterized in that the DAWN systems, including intelligent chip, intelligent object, intelligent coordinated device, intelligent gateway and associate device are associated with using radio connection between equipment；The intelligent chip is 01 intelligent chips of PSAi IOT that protactinium matches photoelectricity；The intelligent chip includes RF crystal grain and MCU crystal grain, and the RF crystal grain includes data link layer (MAC) and physical layer (PHY)；The MCU crystal grain include user application layer (APL) and apply professional etiquette.Beneficial effects of the present invention, define physical layer (PHY) and media access control layer (MAC), realize that installation is easy, data transmission is reliable, short haul connection, extremely low cost, rational battery life, and gather around that there are one simple and flexible communication network protocols, device end networking speeds are fast, and two-way transmission signals are not easy net, it adds networking or kicks except office completes net moment, connection points can be more than 65000 points.
Description
Technical field
The present invention relates to a kind of Internet of Things application system and method more particularly to a kind of DAWN of intelligent radio regulation and control networking
System.
Background technology
Substantial increase with city dweller residential quarters and people's living standards continue to improve, promote people in family
House gradually changes in idea.People not only need spacious, luxurious house, while also being intended to that there are one comfortable, peaces
Entirely, intelligent living space.
The concept of Internet of Things is very early it has been proposed that its intension experienced continuous differentiation and enrich, by initial radio frequency
Identify RFID technique, perception ubiquitous till now, interconnection and intelligent processing.Internet of Things utilizes sensor, sensor section
The perception such as point, RFID, Quick Response Code, camera, the technological means for capturing, measuring carry out information collection to object whenever and wherever possible and obtain
It takes, the information of acquisition is subjected to general character and transmission by various information networks, intelligent processing, which refers to, utilizes cloud computing, fuzzy knowledge
Not, the technologies such as collaboration fusion carry out analyzing processing to the data of magnanimity, are promoted and are seen clearly physical world, social various activities
Power, to realize intelligentized decision and control.
Currently, smart home design mostly uses household internal control, is realized by gateway and household internal home equipment is believed
Breath convergence and Decision Control so that the data information acquired inside of the house is usually only in local use and processing, this system
It is limited to design the service of not only providing to the user, but also is unfavorable for generalized information management and emergency event linkage processing.
Invention content
Purpose of the present invention is to provide a kind of DAWN systems of intelligent radio regulation and control networking in view of the defects existing in the prior art,
It realizes using intelligent object as core, it, will be with using sensing technology, security precautions technology, automatic control technology, network communication technology
Work, related facilities and equipment of living is joined together, build the management system of efficient working environment and family's schedule affairs, carry
Working environment and house security, convenience, comfort are risen, realizes work and the living environment of environmental protection and energy saving.
The present invention solves technical problem and adopts the following technical scheme that：
A kind of DAWN systems of intelligent radio regulation and control networking, abbreviation DAWN systems, the DAWN systems entitled Digital entirely
Addressing Wireless Networking, that is, digitally addressed wireless networking, are set suitable for various electric appliances, sensor
It is standby with after digitally addressed, through coordinator and gateway, composition Low rate wireless personal area network is reached even with high in the clouds on world-wide web
To Internet of Things remote control purpose.
The DAWN systems, including intelligent chip, intelligent object, intelligent coordinated device, intelligent gateway and associate device, equipment
Between using radio connection be associated with.
Preferably, the intelligent chip is the PSAi-IOT-01 intelligent chips that protactinium matches photoelectricity, built in the intelligent chip
ZigBee RF crystal grain and MCU crystal grain, MCU crystal grain have been stored in DAWN system firmwares, and control device can be rapid group after being placed in chip
Net simultaneously transmits and receives signal.
Preferably, the intelligent chip includes RF crystal grain and MCU crystal grain, and the RF crystal grain includes data link layer (MAC)
With physical layer (PHY), the data link layer (MAC) includes logical link control sublayer (LLC), medium access control sublayer
(MAC)；The MCU crystal grain includes user application layer (APL) and applies professional etiquette, and the application professional etiquette includes application support sublayer
(APS) and network layer (NWK).
Preferably, the physical layer (PHY) is powered with 16 channels, and 16 channels all use PSAi-IOT PAN's
Algorithm can go out each one's own positions PAN of connection equipment in each scan channel, the Router/Device not being added,
Also it can go for which PAN allows to be added by channel one by one；PAN determines by company according to customer account management, short address (Short
Address the algorithm for) having oneself facilitates identification and search.
Further, the modulation scheme of physical layer (PHY) radio communication service deviates four phase phase shift keys using half-sine wave
Control (Offset Quadrature Phase Shift Keying, O-QPSK) chip modulation scheme.Expanded using direct sequence formula
Frequency technology (Direct Sequence Spread Spectrum, DSSS) processing gain can effectively inhibit interference signal, subtract
Few dependence of the system to channel model, to quickly complete data transmission and to return to sleep pattern.
Preferably, MAC application layers (parts APS), each equipment use CSMA-CA algorithms, are sent out " adding network "
When going out beacon frame (Beacon), it can first read and receive signal strength instruction (Read on-Air RSSI), avoid dry around normal
Data transfer.
Further, MAC application layers (parts APS) have a response functions of retransmission, and each equipment is using avoiding with collision
Carrier sense multiple access mechanism (Carrier Sense Multiple Access with Collision Avoidance),
First monitor channel, can play the role of avoiding interference before so that node is sent.
Preferably, the routing algorithm of Low rate wireless personal area network is adopted and builds table mode；Adjacent introductory path is built into table, there is oneself
The algorithm of quick " building table/modification table/search " can be quickly anti-no matter in how many Router/Device of same PAN
It answers.
Preferably, DAWN grids route foundation, wireless signal intensity first connect and establish routing table；If news
Number intensity is similar, just less according to network topology (Network Topology) structure level number preferential；In addition in signal position
Setting preferable device can also be connected directly on coordinator.The network topology (Network Topology) is supported star-like
(Star) or point-to-point (Pear-to-Pear) two kinds of network topology structures.
Four kinds of frame structures are defined for data transmission：Beacon frame, data frame, acknowledgement frame and MAC layer command frame.
Preferably, the intelligent chip design work radio band is divided into 16 channels in high frequency 2405Hz-2485GHz
(each channel width be 5MHz), transmission rate are 250Kps (bit rate), momentary data transfer rates and data throughout
Ratios can be minimized the duty ratio of equipment.
It is applicable in two kinds of equipment：Full-function device FFD (Full Function Device) and reduced function device
RFD(Reduced Function Device).FFD includes whole MAC services, and all three function may be implemented：PAN
(Private Area Network) coordinator, coordinator or network equipment.RFD includes the MAC service simplified, and is intelligently used as
The network equipment.
The present invention has the advantages that：
1, physical layer (PHY) and media access control layer (MAC) are defined, realizes that installation is easy, data transmission is reliable, short
Distance communication, extremely low cost, rational battery life, and gather around that there are one simple and flexible communication network protocols.
2, device end networking speeds are fast, and two-way transmission signals are not easy net, add networking or kick except moment is netted by office
It completes, connection points can be more than 65000 points.
3, the modulation scheme of physical layer radio communication service, using half-sine wave quadrature phase shift keying (Offset
Quadrature Phase Shift Keying, O-QPSK) chip modulation scheme.Use direct sequence formula spread spectrum
(Direct Sequence Spread Spectrum, DSSS) processing gain can effectively inhibit interference signal, reduce system
Dependence to channel model, to quickly complete data transmission and to return to sleep pattern.
Description of the drawings
Fig. 1 is intelligent chip internal structure schematic diagram in the present invention；
Fig. 2 is one of network topology mode figure in the present invention；
Fig. 3 is intelligent chip structural schematic diagram in the present invention；
Specific implementation mode
Fig. 1, Fig. 2 and Fig. 3 technical solution in the embodiment of the present invention that following will be combined with the drawings in the embodiments of the present invention
It is clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole
Embodiment.
Embodiment 1
A kind of DAWN systems of intelligent radio regulation and control networking, the DAWN systems entitled Digital Addressing entirely
Wireless Networking, that is, digitally addressed wireless networking are suitable for various electric appliances, sensor by its equipment with digitally addressed
Afterwards, through coordinator and gateway, Low rate wireless personal area network is formed, even with high in the clouds on world-wide web, reaches Internet of Things distal end
Control purpose.
The DAWN systems, including intelligent chip, intelligent object, intelligent coordinated device, intelligent gateway and associate device, equipment
Between using radio connection be associated with.
Further, the intelligent chip is the PSAi-IOT-01 intelligent chips that protactinium matches photoelectricity, built in the intelligent chip
ZigBee RF crystal grain and MCU crystal grain, MCU crystal grain have been stored in DAWN system firmwares, and control device can be rapid group after being placed in chip
Net simultaneously transmits and receives signal.
Further, the intelligent chip includes RF crystal grain and MCU crystal grain, and the RF crystal grain includes data link layer
(MAC) and physical layer (PHY), the data link layer (MAC) include logical link control sublayer (LLC), media access control
Sublayer (MAC)；The MCU crystal grain includes user application layer (APL) and to apply professional etiquette, the application professional etiquette include that application support is sub
Layer (APS) and network layer (NWK).
Further, the physical layer (PHY) is powered with 16 channels, and 16 channels all use PSAi-IOT PAN
Algorithm, in each scan channel can go out each one's own positions PAN of connection equipment, the Router/ not being added
Device also can go for which PAN allows to be added by channel one by one；PAN determines by company according to customer account management, short address (Short
Address the algorithm for) having oneself facilitates identification and search.
Further, the modulation scheme of physical layer (PHY) radio communication service deviates four phase phase shift keys using half-sine wave
Control (Offset Quadrature Phase Shift Keying, O-QPSK) chip modulation scheme.Expanded using direct sequence formula
Frequency technology (Direct Sequence Spread Spectrum, DSSS) processing gain can effectively inhibit interference signal, subtract
Few dependence of the system to channel model, to quickly complete data transmission and to return to sleep pattern.
Further, MAC application layers (parts APS), each equipment uses CSMA-CA algorithms, " adding network "
When sending out beacon frame (Beacon), it can first read and receive signal strength instruction (Read on-Air RSSI), avoid dry around normal
Data transfer.
Further, MAC application layers (parts APS) have a response functions of retransmission, and each equipment is using avoiding with collision
Carrier sense multiple access mechanism (Carrier Sense Multiple Access with Collision Avoidance),
First monitor channel, can play the role of avoiding interference before so that node is sent
Further, the routing algorithm of Low rate wireless personal area network is adopted and builds table mode；Adjacent introductory path is built into table, is had certainly
The algorithm of oneself quick " building table/modification table/search " can be quickly no matter in how many Router/Device of same PAN
Reaction.
Further, DAWN grids route foundation, wireless signal intensity first connect and establish routing table；If
Signal strength is similar, just according to less preferential of network topology (Network Topology) structure level number；In addition in signal
The preferable device in position can be also connected directly on coordinator.The network topology (Network Topology) is supported star-like
(Star) or point-to-point (Pear-to-Pear) two kinds of network topology structures.
Four kinds of frame structures are defined for data transmission：Beacon frame, data frame, acknowledgement frame and MAC layer command frame.
Further, the intelligent chip design work radio band is divided into 16 channels in high frequency 2405Hz-2485Hz
(each channel width be 5MHz), transmission rate are 250Kps (bit rate), momentary data transfer rates and data throughout
Ratios can be minimized the duty ratio of equipment.
Define two kinds of equipment：Full-function device FFD (Full Function Device) and reduced function device
RFD(Reduced Function Device).FFD includes whole MAC services, and all three function may be implemented：PAN
(Private Area Network) coordinator, coordinator or network equipment.RFD includes the MAC service simplified, and is intelligently used as
The network equipment.
Further selection：
1, powerful wireless front end：
The RF transceiver of 2.4GHz IEEE 802.15.4-2006 standards.
High receiving sensitivity (- 95dBm) and interference free performance.
Programmable output power -35dBm~0dBm.
Suitable system configuration meets worldwide radio frequency regulation：ETSI EN300328 (European Union) and
EN300440 (Europe), FCC CFR47 (U.S.) and ARIB STD-T-66 (Japan).
2, low-power consumption：
Reception pattern RX：20.4mA
Sending mode TX is in 0dBm：23.2mA
Power consumption mode 1 (4s wake-ups)：5.4mA
Power consumption mode 2 (sleep timer operation)：2.0mA
Power consumption mode 3 (external interrupt)：3.7uA
Wide power voltage range (2~3.6V)
3, microcontroller：
PowerfulCortexTM- M0 kernels, core clock frequency are up to 42MHz.
The system built-in programmable flash memory of 128KB.
16KB RAM have the data holding ability under various power supply modes.
Support hardware debugging.
4, peripheral hardware：
4 powerful channel PWM.
IEEE 802.5.4MAC timers, general purpose timer (1 16 bit timing device, 28 bit timing devices).
32KHz sleep timers with capturing function.
Hardware supported CSMA/CA.
Support accurate digitlization RSSI/LQI.
Have battery monitor and temperature sensor interface.
5, peripheral hardware：
12 ADC with 8 tunnels input and configurable resolution ratio.
AES security protocol processors.
2 powerful universal synchronous serial ports (USART) for supporting a variety of serial communication protocols.
21 general purpose Is/O pins (19 × 4mA, 2 × 20mA), each pin has the function of response external interrupt source.
If necessary to external interrupt, interruption can be generated to I/O pins, while external break events also can be used to wake up suspend mode.
24 system WatchDog Timers.
The sequencing of above example is only for ease of description, can not represent the quality of embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of DAWN systems of intelligent radio regulation and control networking, abbreviation DAWN systems, which is characterized in that the DAWN systems, packet
Intelligent chip, intelligent object, intelligent coordinated device, intelligent gateway and associate device composition are included, wireless connection side is used between equipment
Formula is associated with；
The intelligent chip is the PSAi-IOT-01 intelligent chips that protactinium matches photoelectricity；
The intelligent chip includes RF crystal grain and MCU crystal grain, and the RF crystal grain includes data link layer (MAC) and physical layer
(PHY), the data link layer (MAC) includes logical link control sublayer (LLC), medium access control sublayer (MAC)；It is described
MCU crystal grain includes user application layer (APL) and applies professional etiquette, and the application professional etiquette includes application support sublayer (APS) and network
Layer (NWK).
2. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that the physical layer
(PHY) 16 channels are powered with, 16 channels all use the algorithm of PSAi-IOT PAN, can go out in each scan channel
Which PAN each one's own positions PAN of connection equipment, the Router/Device not being added also can go for by channel one by one
Allow to be added；PAN determines by company according to customer account management, the algorithm that short address (Short Address) has oneself, facilitate identification and
It searches.
3. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that the physics
Layer (PHY), the modulation scheme of physical layer (PHY) radio communication service, using half-sine wave quadrature phase shift keying (Offset
Quadrature Phase Shift Keying, O-QPSK) chip modulation scheme.Use direct sequence formula spread spectrum
(Direct Sequence Spread Spectrum, DSSS) processing gain can effectively inhibit interference signal, reduce system
Dependence to channel model, to quickly complete data transmission and to return to sleep pattern.
4. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that the MAC
Application layer, MAC application layers, each equipment use CSMA-CA algorithms, beacon frame (Beacon) are sent out " adding network "
When, it can first read and receive signal strength instruction (Read on-Air RSSI), avoid dry around normal data transfer.
5. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 4, which is characterized in that the MAC
Application layer, MAC application layers have response functions of retransmission, each equipment to use the carrier sense multiple access mechanism avoided with collision
(Carrier Sense Multiple Access with Collision Avoidance) first monitors letter before so that node is sent
Road can play the role of avoiding interference.
6. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that further include DAWN
Grid route foundation, wireless signal intensity first connect and establish routing table；If signal strength is similar, with regard to foundation
Less preferential of network topology (Network Topology) structure level number；In addition the preferable device of signal position also can be direct
It is connected on coordinator.The network topology (Network Topology) supports star-like (Star) or point-to-point (Pear-
To-Pear) two kinds of network topology structures.
Four kinds of frame structures are defined for data transmission：Beacon frame, data frame, acknowledgement frame and MAC layer command frame.
7. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that the intelligence core
Piece design work radio band is divided into 16 channels (each channel width is 5MHz), transmission speed in high frequency 2405Hz-2485Hz
Rate is 250Kps (bit rate), and the ratios of momentary data transfer rates and data throughout can be minimized the duty of equipment
Than.
8. a kind of DAWN systems of intelligent radio regulation and control networking according to claim 1, which is characterized in that further include two kinds
The equipment of type：Full-function device FFD (Full Function Device) and reduced function device RFD (Reduced
Function Device).FFD includes whole MAC services, and all three function may be implemented：PAN(Private Area
Network) coordinator, coordinator or the network equipment.RFD includes the MAC service simplified, and intelligence is used as the network equipment.
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Application publication date: 20180810 |