CN107094149A - A kind of digital communication multi-protocol conversion device and its application method - Google Patents
A kind of digital communication multi-protocol conversion device and its application method Download PDFInfo
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- CN107094149A CN107094149A CN201710357871.2A CN201710357871A CN107094149A CN 107094149 A CN107094149 A CN 107094149A CN 201710357871 A CN201710357871 A CN 201710357871A CN 107094149 A CN107094149 A CN 107094149A
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- 230000006854 communication Effects 0.000 title claims abstract description 262
- 238000004891 communication Methods 0.000 title claims abstract description 258
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims description 21
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000010295 mobile communication Methods 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 29
- 101000804902 Drosophila melanogaster Xaa-Pro aminopeptidase ApepP Proteins 0.000 claims description 20
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention relates to a kind of digital communication multi-protocol conversion device, the digital communication multi-protocol conversion device includes：Central processing unit, power supply module, memory module, bluetooth module and Sub G FSK communication modules, central processing unit is connected with power supply module, memory module, bluetooth module and Sub G FSK communication modules respectively, bluetooth module is connected with Bluetooth antenna, and Sub G FSK communication modules are connected with Sub G FSK communication antennas.The present invention can realize at a distance, the communication without carrier network, while meeting the communication requirement of word, voice, picture and video.The communication requirement that the scenes such as bad snow mountain, forest, grassland, desert, oil field, mine meet people can be covered in operator's signal, in addition, when carrier infrastructure is by destroying, digital communication multi-protocol conversion device is compact portable, and the communication requirement of the disaster relief can be met rapidly.
Description
Technical field
The present invention relates to digital communicating field, and in particular to a kind of digital communication multi-protocol conversion device and its user
Method.
Background technology
Current communication equipment has terminal device and the network equipment etc..Common terminal device includes mobile phone, PC, flat board
Etc., terminal typically has human-computer interaction interface.By taking our conventional mobile phones as an example, mobile phone has screen and a variety of APP for people to use,
Mobile phone also has the communication module of various standardization, and GPS module can obtain GPS position information；4G modules can connect operator
Base station obtains Internet resources；WiFi module can access AP, can also equally obtain Internet resources；Also bluetooth module,
Bluetooth earphone, Baffle Box of Bluetooth etc. can be connected.PC computers have Ethernet or wireless network card to access internet.
The equipment that the network equipment is responsible for protocol conversion and message forwarding, such as wireless access point AP, when our mobile phone
When accessing AP by WiFi, AP is responsible for the mobile phone to the air message between AP to be converted into AP to the network switch having report from a liner
Text.In addition, interchanger, router, repeater, base station, etc. be all the network equipment, the forwarding of main responsible information.
Current several main wireless communication technologys include：It is wireless mobile telecommunication technology, wireless LAN communication technology, individual
People's wireless LAN communication technology and intercom wireless communication technology, wireless mobile telecommunication technology include GSM, GPRS, 3G, 4G,
It is the mobile communication technology of current most main flow, mobile phone passes through intelligent acess core by the frequency of mandate, access base station, base station
Net.The distance of mobile phone and base station can reach more than ten kilometers.Mobile phone, base station, core network system, BOSS systems etc. need operation
Business builds and operations infrastructure, and user is also required to expense using network, and technical standard has standard consortium to dominate.WLAN
The communication technology, is called and makees WiFi technology, and in ISM band work, the extension accessed as wired network can solve nothing closely
Line communicates, and AP completes protocol conversion as gateway, and technical standard, which is formulated, the formulation of IEEE802.11 working groups.Individual radio local
Network Communication technology, in ISM band work, mainly using Bluetooth technology, realizes short-range be wirelessly transferred.Intercom radio communication
Technology, using common frequency band 433Mhz, realizes the radio communication of long range, but can only carry out voice communication, it is impossible to passed
Defeated text, picture, video.
But, every kind of wireless communication technology has the application scenarios of oneself, and difference can only be used for different application scene
Technology.Wireless mobile telecommunication technology can realize long range, large-scale radio communication, but have to be by Operator Core Network
Network, communication needs expense.Wireless LAN communication technology can only realize short-range radio communication, typically in family, job note
Position is used.Two people transmit substantial amounts of file in the case of no network (or being not desired to use network) can use bluetooth skill
Art.In the suburb without carrier network, oil field, mine, intercom wireless communication technology can meet voice communication, have the disadvantage
Can only voice communication, it is impossible to carry out the transmission of word, picture etc..
The content of the invention
It is an object of the invention to provide a kind of long range, the network without operator, while word, figure can be carried out
The digital communication multi-protocol conversion device and its application method of the transmission such as piece, voice, should to solve existing wireless communications technology
The problem of user's communication requirement can not being met with scene is single.
To achieve the above object, the invention discloses a kind of digital communication multi-protocol conversion device, the digital communication is more
Protocol conversion apparatus includes：Central processing unit, power supply module, memory module, bluetooth module and Sub-G FSK communication modules, institute
Central processing unit is stated to communicate with the power supply module, the memory module, the bluetooth module and the Sub-G FSK respectively mould
Block is connected, and the central processing unit is connected to the memory module by Serial Peripheral Interface (SPI) respectively and the Sub-G FSK are logical
Believe the Serial Peripheral Interface (SPI) in module, the bluetooth module is connected with Bluetooth antenna, and the Sub-G FSK communication modules are connected with
Sub-G FSK communication antennas.
Above-mentioned a kind of digital communication multi-protocol conversion device disclosed by the invention, the digital communication multi-protocol conversion device
Also include：Locating module, sensor assembly, display screen and audio-frequency module, it is the locating module, the sensor assembly, described
Display screen and the audio-frequency module are respectively connecting to the central processing unit, and the locating module includes GPS locator and/or north
Struggle against locator, and the sensor assembly includes baroceptor, acceleration transducer and gravity sensor.
A kind of above-mentioned digital communication multi-protocol conversion device disclosed by the invention, the power supply module includes：Chargeable electricity
Pond and charhing unit, the rechargeable battery are connected to the central processing unit, and the charhing unit is connected to described chargeable
Battery, the charhing unit is provided with USB charging inlets.
A kind of above-mentioned digital communication multi-protocol conversion device disclosed by the invention, the Sub-G FSK communication modules include
First transceiver, sending controling circuit and front-end module, the first transceiver by Serial Peripheral Interface (SPI) be connected to it is described in
Serial Peripheral Interface (SPI) on central processor, the transmission line of the first transceiver is connected to described after the sending controling circuit
Front-end module, the sending controling circuit is by being wired to the central processing unit, the reception line of the first transceiver
Be connected directly to the front-end module, be connected with power supply electric wire between the first transceiver and the front-end module, it is described before
The first Sub-G FSK communication antennas of first transceiver are connected with end module.
A kind of above-mentioned digital communication multi-protocol conversion device disclosed by the invention, the Sub-G FSK communication modules are also wrapped
Second transceiver is included, the serial peripheral that the second transceiver is connected on the central processing unit by Serial Peripheral Interface (SPI) connects
Mouthful, the transmission line of the second transceiver is connected to the front-end module, second transmitting-receiving after the sending controling circuit
The reception line of device is connected directly to the 2nd Sub-G that second transceiver is connected with the front-end module, the front-end module
FSK communication antennas.
Above-mentioned a kind of digital communication multi-protocol conversion device disclosed by the invention, the transmission line of the second transceiver is through institute
State and share a transmission line after sending controling circuit with first transceiver.
The invention also discloses a kind of application method of digital communication multi-protocol conversion device, the application method includes：
Central processing unit, for management and dispatching memory module, bluetooth module, locating module, sensor assembly, display screen, audio-frequency module
With Sub-G FSK communication modules；Power supply module, for directly being powered to central processing unit, and be respectively by central processing unit
Memory module, bluetooth module, Sub-G FSK communication modules, locating module, sensor assembly, display screen and audio-frequency module are powered；
Memory module, the storage of storage and system operation and upgraded version for message information；Bluetooth module, for being connected to shifting
Mobile communication terminal carries out personal id information by digital communication client end AP P or digital communication client application plug-in unit or communication is believed
The reception and transmission of breath；Locating module, for obtaining position location, in communication process, movement is reported by bluetooth module
The digital communication client end AP P or digital communication client application plug-in unit of communication terminal, and/or pass through Sub-G FSK communication moulds
Block is sent；Sensor assembly, the information for obtaining user's surrounding enviroment, and mobile communication end is reported by bluetooth
The digital communication client end AP P or digital communication client application plug-in unit at end；Display screen, for display device working condition and
Data message；Audio-frequency module, is conversed and by Sub-G FSK communication modules general for sending voice prompt and confession user
Conversation voice, which takes place frequently, to be seen off；With Sub-G FSK communication modules, for the digital communication of long range, other digital communications are received many
The information that protocol conversion apparatus is sended over, the information that mobile communication terminal Bluetooth is transmitted and locating module, sensor die
The information that block and audio-frequency module are transmitted is sent.
A kind of above-mentioned application method of digital communication multi-protocol conversion device disclosed by the invention, the Sub-G FSK lead to
Module is believed using first transceiver and second transceiver as main transceiver and accessory transceiver, the first transceiver and institute
State second transceiver to send to enter row information by respective transmission line respectively, the first transceiver and the second transceiver
Received respectively by respective reception line to enter row information.
Above-mentioned a kind of application method of digital communication multi-protocol conversion device disclosed by the invention, by sending controling circuit control
Make the information transmission that the first transceiver and the first transceiver are carried out by respective transmission line respectively.
Above-mentioned a kind of application method of digital communication multi-protocol conversion device disclosed by the invention, by front-end module to from
The information of the first transceiver and the first transceiver is amplified.
The invention has the advantages that：
The present invention can realize at a distance, the communication without carrier network, while meeting word, voice, picture and regarding
The communication requirement of frequency.The scenes such as bad snow mountain, forest, grassland, desert, oil field, mine can be covered in operator's signal to expire
The communication requirement of sufficient people, in addition, when carrier infrastructure is by destroying, digital communication multi-protocol conversion device is compact just
Take, the communication requirement of the disaster relief can be met rapidly.
Brief description of the drawings
Fig. 1 is a kind of MANET schematic diagram of digital communication system disclosed by the invention.
Fig. 2 is a kind of structure chart of digital communication system disclosed by the invention.
Fig. 3 is a kind of circuit diagram of the digital communication multi-protocol conversion device of digital communication system disclosed by the invention.
Fig. 4 is a kind of schematic flow sheet of digital communication method disclosed by the invention.
Fig. 5 is a kind of communication process schematic diagram of digital communication method disclosed by the invention.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
With reference to Fig. 1, a kind of digital communication multi-protocol conversion device disclosed by the invention is used cooperatively with mobile communication terminal
A kind of digital communication system can be formed, it includes：Sender's mobile communication terminal 01, sender's digital communication multiprotocol conversion
Device 02, recipient's mobile communication terminal 03 and recipient's digital communication multi-protocol conversion device 04, wherein, above-mentioned digital communication
It is sender's mobile communication terminal 01 when multi-protocol conversion device is as sender, is recipient's movement during as recipient
Communication terminal 03, both of which has digital communication client end AP P or digital communication client application plug-in unit, with reference to Fig. 2 and 3, on
Digital communication multi-protocol conversion device is stated no matter as sender's digital communication multi-protocol conversion device 02 or as recipient
Digital communication multi-protocol conversion device 04, it includes：Central processing unit 05, power supply module 06, memory module 07, bluetooth module
08th, Sub-G FSK communication modules 09, locating module 10, sensor assembly 11, display screen 12 and audio-frequency module 13, center processing
Device 05 respectively with power supply module 06, memory module 07, bluetooth module 08, Sub-G FSK communication modules 09, locating module 10, pass
Sensor module 11, display screen 12 and audio-frequency module 13 are connected, and central processing unit 05 is connected to by Serial Peripheral Interface (SPI) respectively to be deposited
The Serial Peripheral Interface (SPI) in module 07 and Sub-G FSK communication modules 09 is stored up, bluetooth module 08 is connected with Bluetooth antenna 14, Sub-
G FSK communication modules 09 are connected with Sub-G FSK communication antennas 15, and locating module 10 includes GPS locator and/or the Big Dipper is positioned
Device, sensor assembly 11 includes baroceptor, acceleration transducer and gravity sensor, and power supply module 06 includes：It is chargeable
Battery 16 and charhing unit 17, rechargeable battery 16 are connected to central processing unit 05, and charhing unit 17 is connected to rechargeable battery
16, charhing unit 16 is provided with USB charging inlets 18.
Further, with reference to Fig. 3, Sub-G FSK communication modules 09 include first transceiver 19, second transceiver 20, hair
Control circuit 21 and front-end module 22 are sent, first transceiver 19 and second transceiver 20 are connected to center by Serial Peripheral Interface (SPI)
The transmission line TX of Serial Peripheral Interface (SPI) on processor 05, first transceiver 19 and second transceiver 20 is through sending controling circuit 21
After be connected to front-end module 22, sending controling circuit 21 is by being wired to central processing unit 05, first transceiver 19 and
The reception line TX of two transceivers 20 is connected directly to front-end module 22, is connected between the first transceiver 19 and front-end module 20
There are the first Sub-G FSK communication antennas 24 that first transceiver 19 is connected with power supply electric wire 23, front-end module and the second transmitting-receiving
2nd Sub-G FSK communication antennas 25 of device 20, the transmission line TX of second transceiver 20 is after sending controling circuit 22 with first
Shared one of transceiver 19 sends line TX.
With reference to Fig. 3, being assisted sender's digital communication multi-protocol conversion device 02 as described above and recipient's digital communication more
The view application method of conversion equipment 04 includes：Central processing unit 05, for management and dispatching memory module 07, bluetooth module 08, Sub-G
FSK communication modules 09, locating module 10, sensor assembly 11, display screen 12 and audio-frequency module 13；Power supply module 06, for straight
Connect to central processing unit 05 and power, and be respectively memory module 07, bluetooth module 08, Sub-G FSK by central processing unit 05
Communication module 09, locating module 10, sensor assembly 11, display screen 12 and audio-frequency module 13 are powered；Memory module 07, for reporting
The storage of the storage of literary information and system operation and upgraded version；Bluetooth module 08, for being connected to mobile communication terminal 03
By digital communication client end AP P or digital communication client application plug-in unit carry out personal id information or the communication information reception and
Send；Locating module 10, for obtaining position location, in communication process, reports mobile communication whole by bluetooth module 08
The digital communication client end AP P or digital communication client application plug-in unit at end 03, and/or pass through Sub-G FSK communication modules 09
Send；Sensor assembly 11, the information for obtaining user's surrounding enviroment, and mobile communication end is reported by bluetooth
The digital communication client end AP P or digital communication client application plug-in unit at end 03；Display screen 12, the work shape for display device
State and data message；Audio-frequency module 13, for sending voice prompt and supplying user to be conversed and communicated by Sub-G FSK
Module 09, which takes place frequently conversation voice, to be seen off；With Sub-G FSK communication modules 09, for the digital communication of long range, receive and send
The information that square digital communication multi-protocol conversion device 02 is sended over, the information that the bluetooth of mobile communication terminal 03 is transmitted and fixed
The information that position module 10, sensor assembly 11 and the power supply of audio-frequency module 13 are transmitted is sent.
Above-mentioned Sub-G FSK communication modules 09 using first transceiver 19 and second transceiver 20 as main transceiver and
Accessory transceiver, first transceiver 19 and second transceiver 20 enter row information transmission by respective transmission line TX respectively, the
One transceiver 19 and second transceiver 20 enter row information reception by respective reception line RX respectively, by sending controling circuit 22
First transceiver 19 and second transceiver 20 is controlled to be sent respectively by the respective transmission line TX information carried out, by front-end module
22 pairs of information from first transceiver 19 and second transceiver 20 are amplified.
With reference to Fig. 1, digital communication multi-protocol conversion device is used as mobile communication terminal (mobile phone, computer or tablet personal computer)
Accessory is, it is necessary to which mobile communication terminal installs digital communication client end AP P or digital communication client application plug-in unit.Digital communication visitor
Family end APP or digital communication client application plug-in management mobile communication terminal bluetooth equipment, find digital communication multi-protocols
Conversion equipment, sets up connection, so, mobile communication terminal can both send information by digital communication multi-protocol conversion device,
Can also receive information, when sending information, mobile communication terminal and digital communication multi-protocol conversion device are sender's movement
Communication terminal and sender's digital communication multi-protocol conversion device, during receive information, are assisted more mobile communication terminal and digital communication
It is recipient's mobile communication terminal and recipient's digital communication multi-protocol conversion device to discuss conversion equipment.Multiple mobile communication are whole
End forms digital communication system as described above by respective digital communication multi-protocol conversion device MANET respectively.
Digital communication multi-protocol conversion device is a multi-protocols, multi-radio equipment, 2.4G bluetooth can be believed
Breath, is changed by internal agreement, is converted into 433Mhz frequency range fsk signals and transfers out, and reaches transmission purpose at a distance, equally
The signals of the free UHF band receptions of 433Mhz can also be converted into Bluetooth information and be sent to mobile communication terminal.Mobile communication is whole
The digital communication client end AP P or digital communication client application plug-in unit combination digital communication multi-protocol conversion device at end, can be with
Realize remote word, voice, picture and video communication in the case of without carrier network.
With reference to Fig. 1, in a kind of above-mentioned digital communication system, sender's mobile communication terminal 01 and recipient's mobile communication are whole
End 03 is respectively connecting to sender's digital communication multi-protocol conversion device 02 by bluetooth and recipient's digital communication multi-protocols turn
Changing device 04, between sender's mobile communication terminal 01 and sender's digital communication multi-protocol conversion device 02 and recipient
Personal id information or logical is carried out by bluetooth between mobile communication terminal 03 and recipient's digital communication multi-protocol conversion device 04
The reception and transmission of letter information, in sender's digital communication multi-protocol conversion device 02 and recipient's digital communication multiprotocol conversion
Personal information broadcasting packet or communication information report are carried out with Sub-G frequency ranges by Sub-G FSK communication modules 09 between device 04
Literary sends and receives, and sender's mobile communication terminal 01 and recipient's mobile communication terminal 03 use digital communication protocol in nothing
Other side is found in the case of carrier network and is communicated.
With reference to Fig. 4, the digital communication method of digital communication system disclosed above includes：Sender's mobile communication terminal 01
Start respective digital communication client end AP P or digital communication client application plug-in unit with recipient's mobile communication terminal 03；It is logical
Bluetooth connection is crossed to respective digital communication multi-protocol conversion device；It is logical in mobile communication terminal and respective numeral by bluetooth
The reception and transmission of personal id information or the communication information are carried out between letter multi-protocol conversion device；Sender and the numeral of recipient
Communicate multi-protocol conversion device between by Sub-G FSK communication modules with Sub-G frequency ranges carry out personal information broadcasting packet or
Communication information message sends and receives；Other side is found in the case of without carrier network with use digital communication protocol and is carried out
Communication.Neighbouring mobile communication terminal is sent and connect by digital communication client end AP P or digital communication client application plug-in unit
Receive personal id information；The digital communication client end AP P or digital communication client application plug-in unit of each mobile communication terminal have
The id information list of people near one is shown；With the wherein side in the id information list of neighbouring people or multi-party foundation
Correspondence simultaneously sends and receives the communication information according to personal id information.
Specifically, neighbouring mobile communication terminal is inserted by digital communication client end AP P or digital communication client application
Part broadcasts oneself id information；Digital communication multi-protocol conversion device receives the indigo plant for the mobile communication terminal broadcast being connected with oneself
The personal id information of tooth transmission；Remove the Bluetooth protocol coding head in the personal id information of Bluetooth transmission；Extract personal id information and lead to
Cross digital communication protocol and be converted to personal information broadcasting packet；Personal information broadcasting packet is existed by Sub-G FSK communication modules
Sub-G frequency ranges are released；So, neighbouring mobile communication terminal passes through digital communication client end AP P or digital communication client
Application plug-in is held to send personal id information.Neighbouring digital communication multi-protocol conversion device receives personal information broadcasting packet；Carry
Take out personal id information and be packaged into Bluetooth format again；It is sent to the movement with the digital communication multi-protocol conversion device bluetooth connection
Communication terminal；Shown in the digital communication client end AP P or digital communication client application plug-in unit of mobile communication terminal attached
The id information list of near people；So, neighbouring mobile communication terminal passes through digital communication client end AP P or digital communication client
Application plug-in is held to receive personal id information.
In addition, with reference to Figure 4 and 5, the process communicated using digital communication protocol in the case of without carrier network
Including：When sender sets up correspondence with recipient, sender and recipient obtain communication by AES encryption agreement and added respectively
The communication decrypting key of key and communication decrypting key, the Traffic encryption key(TEK) of described sender and the recipient are close each other
Key pair；Digital communication client end AP P or digital communication client application plug-in unit editor circle that sender passes through mobile communication terminal
Face is generated the communication information and the communication information is encrypted using Traffic encryption key(TEK)；Pass through digital communication client end AP P or number
Communication information affix id information, wherein id information are included id information and the reception of sender by word communication customer end application plug-in
The id information of side；The digital communication multiprotocol conversion that the communication information for being attached with id information is sent to sender is filled by bluetooth
Put；The digital communication multi-protocol conversion device of sender removes the Bluetooth protocol coding head in the communication information that Bluetooth transmission is come；
The communication information is put into Sub-G FSK transmit queues；Judge whether there is communication letter to be sent in Sub-G FSK transmit queues
Cease message；When there is no communication information message to be sent in Sub-G FSK transmit queues, judge that communication channel RSSI value is
It is no to be less than default Tidle threshold；It is logical by digital communication protocol when communication channel RSSI value is less than default Tidle threshold
Letter information is converted to communication information message after adding lead code and synchronization character；Communication information message passes through Sub-G FSK communication moulds
Block is sent in Sub-G frequency ranges；The digital communication multi-protocol conversion device of recipient receives communication information message and utilizes logical
Letter decryption key decryption extracts the communication information；Decrypt the communication information extracted and be packaged into Bluetooth format；It is packaged into bluetooth lattice
The communication information of formula is sent to recipient's mobile communication terminal；Recipient's mobile communication terminal passes through recipient digital communication client
End APP or digital communication client application plug-in unit show the communication information and show the communication information according to the id information of sender
Sender.
With reference to table 1 below, the personal information broadcasting packet and communication information report being converted into by the digital communication protocol
Text includes purpose id information, 8 words of the lead code of 5 bytes, the synchronization character of 2 bytes, 8 bytes successively from front to back
The specific communication information that section source id information, the type of message and Payload of 1 byte are carried, wherein, wrapped in the source id information
Include the id information of single recipient in id information containing sender, the purpose id information or broadcast special purpose ID
At least two kinds different bytes in information, the id information of recipient, broadcasting special purpose id information has 8 identical words
Section.Type of message includes personal information broadcasting packet, text communication infomational message, voice communication infomational message, communicating pictures letter
Cease message, video communication infomational message, GPS position information message or sensor information message.
Table 1：Personal information broadcasting packet and communication information sequence of message composition table
| 5 | 2 | 8 | 8 | 1 | …… |
| Lead code | Synchronization character | Purpose id information | Source id information | Type of message | payload |
In addition, digital communication client application plug-in download as described above is attached to mobile communication terminal or directly built-in
In the operating system of mobile communication terminal.The personal id information is by digital communication client end AP P or digital communication visitor
Family end application plug-in is registered to digital communications services device and generated, and Payload when type of message is personal information broadcasting packet takes
The specific communication information of band includes personal log-on message, such as pet name.
Present invention uses or the implicit basic concepts used in digital communication, they are respectively：
Sub-G FSK communication modules：The module communicated using FSK modulation mode in 1Ghz implemented below, below 1Ghz's
Communications band, referred to as Sub-G communicate, and feature is long transmission distance, mainly include 150-151Mhz frequency ranges, 400-480Mhz frequencies
Section, 868-925Mhz frequency ranges, each state has free frequency band to use, such as conventional intercom is operated in 433Mhz frequency ranges,
Sub-G FSK, refer to below 1Ghz FSK (frequency modulation technology) modulation technique；
Sub-G frequency ranges：Below 1Ghz communications band, referred to as Sub-G frequency ranges, feature is long transmission distance, is mainly included
150-151Mhz frequency ranges, 400-480Mhz frequency ranges, 868-925Mhz frequency ranges, each state has free frequency band to use, such as commonly uses
Intercom be operated in 433Mhz frequency ranges；
AES (Advanced Encryption Standard) cryptographic protocol：Advanced Encryption Standard, in the world disclosed one
Plant encryption method and standard；
RSSI (Received Signal Strength Indication) value：The signal strength indication value of reception；
Payload：Message content payload, the effective information of communications；
FSK (Frequency-shift keying) signal：The signal that shift keying modulation mode is generated.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of digital communication multi-protocol conversion device, it is characterised in that the digital communication multi-protocol conversion device includes：In
Central processor, power supply module, memory module, bluetooth module and Sub-G FSK communication modules, the central processing unit respectively with institute
State power supply module, the memory module, the bluetooth module and Sub-G FSK communication modules connection, the center processing
The serial peripheral that device is connected in the memory module and the Sub-G FSK communication modules by Serial Peripheral Interface (SPI) respectively connects
Mouthful, the bluetooth module is connected with Bluetooth antenna, and the Sub-G FSK communication modules are connected with Sub-G FSK communication antennas.
2. a kind of digital communication multi-protocol conversion device as claimed in claim 1, it is characterised in that assisted the digital communication more
View conversion equipment also includes：Locating module, sensor assembly, display screen and audio-frequency module, the locating module, the sensor
Module, the display screen and the audio-frequency module are respectively connecting to the central processing unit, and the locating module includes GPS location
Device and/or Big Dipper locator, the sensor assembly include baroceptor, acceleration transducer and gravity sensor.
3. a kind of digital communication multi-protocol conversion device as claimed in claim 1, it is characterised in that the power supply module bag
Include：Rechargeable battery and charhing unit, the rechargeable battery are connected to the central processing unit, and the charhing unit is connected to
The rechargeable battery, the charhing unit is provided with USB charging inlets.
4. a kind of digital communication multi-protocol conversion device as claimed in claim 1, it is characterised in that the Sub-G FSK lead to
Believe that module includes first transceiver, sending controling circuit and front-end module, the first transceiver is connected by Serial Peripheral Interface (SPI)
The Serial Peripheral Interface (SPI) on the central processing unit is connected to, the transmission line of the first transceiver is after the sending controling circuit
The front-end module is connected to, the sending controling circuit is by being wired to the central processing unit, first transmitting-receiving
The reception line of device is connected directly to the front-end module, and power supply electricity is connected between the first transceiver and the front-end module
The first Sub-G FSK communication antennas of first transceiver are connected with line, the front-end module.
5. a kind of digital communication multi-protocol conversion device as claimed in claim 4, it is characterised in that the Sub-G FSK lead to
Believe that module also includes second transceiver, the second transceiver is connected on the central processing unit by Serial Peripheral Interface (SPI)
Serial Peripheral Interface (SPI), the transmission line of the second transceiver is connected to the front-end module, institute after the sending controling circuit
The reception line for stating second transceiver is connected directly to the of second transceiver is connected with the front-end module, the front-end module
Two Sub-G FSK communication antennas.
6. a kind of digital communication multi-protocol conversion device as claimed in claim 5, it is characterised in that the second transceiver
Send line and share a transmission line with first transceiver after the sending controling circuit.
7. a kind of application method of digital communication multi-protocol conversion device, it is characterised in that the application method includes：
Central processing unit, for management and dispatching memory module, bluetooth module, locating module, sensor assembly, display screen, audio
Module and Sub-G FSK communication modules；
Power supply module, is respectively memory module, bluetooth mould for directly being powered to central processing unit, and by central processing unit
Block, Sub-G FSK communication modules, locating module, sensor assembly, display screen and audio-frequency module are powered；
Memory module, the storage of storage and system operation and upgraded version for message information；
Bluetooth module, digital communication client end AP P or digital communication client application are passed through for being connected to mobile communication terminal
Plug-in unit carries out the reception and transmission of personal id information or the communication information；
Locating module, for obtaining position location, in communication process, the number of mobile communication terminal is reported by bluetooth module
Word communication customer end APP or digital communication client application plug-in unit, and/or sent by Sub-G FSK communication modules；
Sensor assembly, the information for obtaining user's surrounding enviroment, and report by bluetooth the number of mobile communication terminal
Word communication customer end APP or digital communication client application plug-in unit；
Display screen, working condition and data message for display device；
Audio-frequency module, for sending voice prompt and supplying user to be conversed and will be conversed by Sub-G FSK communication modules
Audio is sent；With
Sub-G FSK communication modules, for the digital communication of long range, receive other digital communication multi-protocol conversion devices and send
The information come over, the information that mobile communication terminal Bluetooth is transmitted and locating module, sensor assembly and audio-frequency module are transmitted
Information send.
8. a kind of application method of digital communication multi-protocol conversion device as claimed in claim 7, it is characterised in that described
Sub-G FSK communication modules are using first transceiver and second transceiver as main transceiver and accessory transceiver, and described
One transceiver and the second transceiver are sent by respective transmission line to enter row information respectively, the first transceiver and institute
Second transceiver is stated to receive to enter row information by respective reception line respectively.
9. a kind of application method of digital communication multi-protocol conversion device as claimed in claim 8, it is characterised in that by sending
The information for controlling circuit to control the first transceiver and the first transceiver to be carried out respectively by respective transmission line is sent.
10. a kind of application method of digital communication multi-protocol conversion device as claimed in claim 8, it is characterised in that by preceding
End module is amplified to the information from the first transceiver and the first transceiver.
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