CN108616857A - A kind of anti-interference Beidou communication equipment and system of the communication of fusion public network - Google Patents
A kind of anti-interference Beidou communication equipment and system of the communication of fusion public network Download PDFInfo
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- CN108616857A CN108616857A CN201810404691.XA CN201810404691A CN108616857A CN 108616857 A CN108616857 A CN 108616857A CN 201810404691 A CN201810404691 A CN 201810404691A CN 108616857 A CN108616857 A CN 108616857A
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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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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- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of the antijam communication equipment and system of the communication of fusion public network, and equipment includes short-range wireless communication module, public network communication module, Beidou communication module and processor；The short-range wireless communication module for establishing the connection with transmitting terminal to be communicated, and receives the first signal of communication that the transmitting terminal is sent；The processor, for receiving the first signal of communication that the short-range wireless communication module is sent and detecting current public network signal intensity by the public network communication module, and when the public network signal intensity is more than preset threshold value, first signal of communication is sent to the public network communication module, when the public network signal intensity is less than or equal to the threshold value, first signal of communication is sent to the Beidou communication module.The present invention can realize the unremitting network communication in the whole nation in 24 hours, ensure that public network signals are non-serviceable also can timely be communicated in remote districts, natural calamity scene and off-lying sea etc..
Description
Technical field
The present invention relates to field of communication technology more particularly to it is a kind of fusion public network communication anti-interference Beidou communication equipment and
System.
Background technology
The development of wireless communication technique brings great convenience to people’s lives, especially public network signal (2G/3G/
4G) the continuous increase of the promotion of speed and covering surface so that people can be carried out communicating in real time in most places.
Currently, public network signal (2G/3G/4G) has covered most areas, but some are regional, for example, mountain area,
Off-lying sea, desert etc. still can not be covered due to geographical location, cause these area carry out outdoor study or
When travelling occurs dangerous, distress signal can not be sent out in time.In addition, under the influence of the Nature disaster such as earthquake, public network
Communication base station can be destroyed, and cause public network communication that can not carry out, this can also increase the difficulty of rescue, cause in time to be unfolded
Rescue.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of anti-interference Beidou communication equipment of fusion public network communication
And system, it can realize the unremitting network communication in the whole nation in 24 hours, ensure in remote districts or at natural calamity scene
It can timely be communicated.
An embodiment of the present invention provides a kind of anti-interference Beidou communication equipment of fusion public network communication, including short-distance radio are logical
Believe module, public network communication module, Beidou communication module and processor；The processor respectively with the short-distance wireless communication mould
Block, public network communication module, the connection of Beidou communication module；Wherein：
The short-range wireless communication module for establishing the connection with transmitting terminal to be communicated, and receives the transmitting terminal
The first signal of communication sent based on the connection；
The processor, for receiving the first signal of communication and pass through described that the short-range wireless communication module is sent
Public network communication module detects current public network signal intensity, and when the public network signal intensity is more than preset threshold value, by institute
It states the first signal of communication and is sent to the public network communication module, it, will when the public network signal intensity is less than or equal to the threshold value
First signal of communication is sent to the Beidou communication module；
The public network communication module, for first signal of communication received to be sent to public network communication system；
The Beidou communication module, for first signal of communication received to be sent to the satellite currently tracked.
Preferably, the short-range wireless communication module is the Internet of Things communication modules such as WiFi module or bluetooth module；Institute
It states public network communication module and includes at least one of：2G modules, 3G module, 4G modules.
Preferably, the public network communication module is connected to the processor by USB high-speed serial bus；The short distance without
Line communication module is connected to the processor by SDIO universal serial bus；The Beidou communication module is synchronized always by general serial
Line is connected to the processor.
Preferably, the satellite communication module includes：Transmitting antenna, reception antenna, radio frequency frequency conversion chip, analog-to-digital conversion mould
Block, RDSS baseband chips and client identification module；The radio frequency frequency conversion chip and the transmitting antenna, the reception antenna with
And the analog-to-digital conversion module connection；The RDSS baseband chips and the analog-to-digital conversion module, client identification module and institute
State processor connection.
Preferably, the satellite communication module further includes power amplifier and low-noise amplifier；The power amplification
Device is set between the transmitting antenna and the radio frequency frequency conversion chip；The low-noise amplifier is set to the reception antenna
Between the radio frequency frequency conversion chip.
Preferably, the reception antenna, the second signal of communication for receiving the satellite launch currently tracked, and will be described
Second signal of communication is sent to the radio frequency frequency conversion chip；
The radio frequency frequency conversion chip, for being sent to analog-to-digital conversion module after being filtered to second signal of communication；
The analog-to-digital conversion module, the second signal of communication for that will simulate be converted to be sent to after digital signal it is described
RDSS baseband chips are handled, and are sent to the processor after treatment.
Preferably, the RDSS baseband chips, for being handled second signal of communication using narrow the relevant technologies；
Wherein, reception bandwidth is determined by signal modulation mode and signal trace method, and according to reception bandwidth selection signal sample frequency
And operation of receiver frequency；
The quantization digit of the analog-to-digital conversion module selects the intermediate-freuqncy signal of 2 bit quantizations.
Preferably, the RDSS baseband chips are additionally operable to：
Satellite is captured and is tracked, and correlator channel is distributed for the second signal of communication of the satellite launch of tracking；
Parameter is configured to the correlator channel of distribution so that correlator channel specific aim handles appointing system and specified satellite
Signal of communication；Wherein, the parameter of configuration includes pseudo-code sequence, PN-code capture, pseudo- code frequency, pseudo-code first phase, correlator branch
Spacing, local carrier frequency；
According to the capture control of formulation and track loop scheme optimization acquisition probability and false-alarm probability；Wherein, according to noise
Lever selection thresholding increases capture to the part false-alarm state and confirms when being judged in part false-alarm state according to thresholding,
Confirm to be currently false-alarm state if pre-determined number repeatedly between trapped state and tracking mode if state, control is transferred to new
Acquiring satellite.
The embodiment of the present invention additionally provides a kind of anti-interference Beidou communication system of fusion public network communication, including：Public network is logical
Letter system, big-dipper satellite command dispatching system, public network server system and such as above-mentioned communication equipment；
Wherein, the communication equipment, the first signal of communication sent for receiving transmitting terminal to be communicated, and according to current
The public network signal intensity detected, the satellite that first signal of communication is sent to public network communication system or currently tracked；
The public network communication system, for after receiving the first signal of communication, being led to described first by wireless network
Letter signal is sent to the public network server system；
The big-dipper satellite command dispatching system, for receiving the first signal of communication forwarded by the satellite, and by institute
It states the first signal of communication and is sent to the public network server system；
The public network server system for being demodulated to first signal of communication, and is sent to corresponding purpose
Receiving terminal.
Preferably, the public network server system is additionally operable to receive the second signal of communication that the purpose receiving terminal is sent,
And second signal of communication is sent to by public network communication system or the Big Dipper according to the communication mode of first signal of communication
Satellite Command dispatches system；Wherein, when first signal of communication is by public network communications system transmission, described second is communicated
Signal is sent to public network communication system；When first signal of communication is transmitted by big-dipper satellite command dispatching system, by institute
It states the second signal of communication and is sent to big-dipper satellite command dispatching system；
The public network communication system is additionally operable to second signal of communication received being sent to the communication equipment；
The big-dipper satellite command dispatching system is additionally operable to second signal of communication received being sent to current tracking
Satellite；
The communication equipment is additionally operable to receive the second signal of communication of the satellite launch of basis, and described second is communicated
Signal is sent to the transmitting terminal.
Communication equipment provided in this embodiment and system are passed by detecting current public network signal intensity intelligence switch data
The first signal of communication of transmitting terminal is transmitted in defeated channel when public network signal is weaker by the communication port of Beidou communication module, when
Public network signal seamlessly switches to the signal transmission that public network communication module carries out high-speed high capacity after restoring, to realize 24 hours entirely
The unremitting network communication of state ensures also can timely to be communicated in remote districts or at natural calamity scene.
Description of the drawings
In order to illustrate more clearly of technical scheme of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural representation of the anti-interference Beidou communication equipment for the fusion public network communication that first embodiment of the invention provides
Figure.
Fig. 2 is the structural schematic diagram of the Beidou communication module of Fig. 1.
Fig. 3 is the structural schematic diagram of the radio frequency frequency conversion chip of Fig. 2.
Fig. 4 is the structural representation of the anti-interference Beidou communication system for the fusion public network communication that second embodiment of the invention provides
Figure.
Fig. 5 is the structural schematic diagram of the public network communication system of Fig. 4.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, first embodiment of the invention provides a kind of anti-interference Beidou communication equipment of fusion public network communication,
Including short-range wireless communication module 10, public network communication module 20, Beidou communication module 30 and processor 40；The processor 40
It is connect respectively with the short-range wireless communication module 10, public network communication module 20, Beidou communication module 30；Wherein:
The short-range wireless communication module 10 for establishing the connection with transmitting terminal to be communicated, and receives the transmission
The first signal of communication that end group is sent in the connection.
In the present embodiment, the transmitting terminal may be, for example, the mobile phone of user, can not have operating system (function machine),
There can also be operating system, such as can be Saipan system, android system, IOS systems, the present invention is not specifically limited.
In the present embodiment, the short-range wireless communication module 10 includes but not limited to the objects such as WiFi module, bluetooth module
Combined network communication means, preferably WiFi module.
For WiFi module, the communication equipment opens a hot spot by the WiFi module 10, and the transmitting terminal can
The hot spot is connected to establish the connection with the communication equipment, upon establishment of a connection, the transmitting terminal i.e. transmittable first communicates
Signal gives the WiFi module.
It should be noted that the short-range wireless communication module includes antenna, it is used for receiving and transmitting signal, for WiFi modules,
Its working frequency range can be 2.4G and/or 5.8GHz.
The processor 40, for receiving the first signal of communication and pass through that the short-range wireless communication module 10 is sent
The public network communication module 20 detects current public network signal intensity, and is more than preset threshold value in the public network signal intensity
When, first signal of communication is sent to the public network communication module 20, is less than or equal in the public network signal intensity described
When threshold value, first signal of communication is sent to the Beidou communication module 30.
In the present embodiment, the processor 40 can be that high-performance STMicw Electronics (STMicroelectronics) is micro-
Control unit can be measured in real time public network signal intensity, when the public network signal intensity that the processor 40 detects is big
When preset threshold value, then show that the public network signal intensity of current location is stronger, can directly by public network communication module 20 come
Transmit first signal of communication；Then first signal of communication is sent to the public network communication module by the processor 40
20, first signal of communication is transmitted by the public network communication module 20 by public network communication system, corresponding to be sent to
Purpose receiving terminal.
When the public network signal intensity that the processor 40 can't detect public network signal intensity or detect is less than or equal to institute
When stating threshold value, then show that the public network signal intensity of current location is weaker, then the processor 40 sends out first signal of communication
Give the Beidou communication module 30, first signal of communication is sent to defending of currently tracking by the Beidou communication module 30
Star is sent to corresponding big-dipper satellite command dispatching system by the satellite, then is sent out by the big-dipper satellite command dispatching system
Give corresponding purpose receiving terminal.
It should be noted that in the present embodiment, the public network communication module 20 includes at least one of：2G moulds
Block, 3G module, 4G modules.It can only include single module, can also be integrated by multimode, the present invention is not specifically limited.
It should be noted that the public network communication module 20 is connect by USB high-speed serial bus with the processor 40；
The short-range wireless communication module 10 is connect by SDIO universal serial bus with the processor 40；The Beidou communication module 30 is logical
General serial synchronous bus is crossed to connect with the processor 40.
It should be noted that the communication equipment further includes the ROM and RAM being connected to the processor, at offer
Manage memory space when 40 operation of device.
In conclusion communication equipment provided in this embodiment, is intelligently cut by the current public network signal intensity detected
Data transmission channel is changed, transmit transmitting terminal by the communication port of Beidou communication module 30 when public network signal is weaker first is led to
Believe signal, public network communication module 20 is seamlessly switched to after public network signal restores to realize the signal transmission of high-speed high capacity, from
And realize the unremitting network communication in the whole nation in 24 hours, ensure in remote districts or can also carry out at natural calamity scene and
When communication.
Preferably, in another embodiment, as shown in Fig. 2, the satellite communication module 30 includes：Transmitting antenna 31,
Reception antenna 32, radio frequency frequency conversion chip 33, analog-to-digital conversion module 34, RDSS baseband chips 35 and client identification module (SIM)
36；The radio frequency frequency conversion chip 33 connects with the transmitting antenna 31, the reception antenna 32 and the analog-to-digital conversion module 34
It connects；The RDSS baseband chips 35 are connect with the analog-to-digital conversion module 34, client identification module 36 and the processor 40.
Preferably, in another embodiment, the satellite communication module 30 further includes power amplifier 37 and low noise
Acoustic amplifier 38；The power amplifier 37 is set between the transmitting antenna 31 and the radio frequency frequency conversion chip 33；It is described
Low-noise amplifier 38 is set between the reception antenna 32 and the radio frequency frequency conversion chip 33.
In the present embodiment, the RDSS baseband chips 35 have digital quadrature demodulation, obtain orthogonal double channels base band
Semiotic function, fast Acquisition function send base band data generation and transmission timing control function, protocol processes function.It can be with
Extraction positioning, timing and the communication information, and have the function of fast Acquisition；Each receiving channel completes 1 wave beam QPSK modulation letter
Number pseudo-code essence with, carrier auxiliary, pseudo range measurement and despread-and-demodulation, Q branch GOLD code first phase automatic pre-sets, carrier-to-noise ratio estimation,
And the Viterbi decoding of two branches of I, Q.
In the present embodiment, when carrying out the reception of the second signal of communication, the second signal of communication that satellite is sent passes through reception
The reception of antenna 32 and the low-noise amplifier 38 are sent to radio frequency frequency conversion chip 33 after amplifying, by the radio frequency frequency conversion chip 33
Wave beam filtering is carried out, is converted into handling by RDSS baseband chips 35 after digital signal by analog-to-digital conversion module 34, be then forwarded to
The processor 40.Wherein, the wave beam work principle of filter of the radio frequency frequency conversion chip 33 is as shown in Figure 3.
When carrying out signal transmission, then the first signal of communication negative direction of transmission is transmitted, pass sequentially through RDSS baseband chips
35 processing, analog-to-digital conversion module 34 convert, radio frequency frequency conversion chip 33 recombination encryption, then by power amplification circuit 37 amplify after by sending out
It penetrates antenna 31 and is sent to satellite, the satellite reception after receiving first signal of communication, defend by the Big Dipper for being sent to ground
Star command system is received by the big-dipper satellite command system and is sent to public network server system.
Transmitting-receiving of the signal of communication by public network communication module or Beidou communication module is realized in above-described embodiment, but right
For Beidou communication module, due to 2G public network signals, RDSS satellite-signals, RNSS satellite-signals all in 1561.098~
The adjacent frequency bands of 1793.068M interfere so quickly detection frequency band signals solution is needed to face frequency.In addition, Bluetooth signal, WIFI believe
Number and 4G signals can to Big Dipper RDSS-S signals generate interference, if not anti-adjacent frequency measure, attached in WIFI module, bluetooth module
Nearly Big Dipper signal receiving quality can be deteriorated.
For this purpose, in an alternative embodiment of the invention, using following means and being interfered to solve to face frequency：
1, RDSS baseband chips 35 use narrow the relevant technologies, and reception bandwidth is by signal modulation mode and signal trace method
It determines, according to receiver bandwidth selection signal sample frequency and operation of receiver frequency.
Wherein, basic signal modulation mode includes：Amplitude modulation, frequency modulation and phase modulation.Signal trace method include carrier frequency tracking,
Code tracking etc..
2, the selection of quantization digit：The selection of quantization digit will consider correlator resource consumption and gain loss.This
Embodiment is preferably 2 bit quantization intermediate-freuqncy signals, the gain loss brought about 0.5dB.
3, the Combined design of channel measurement：Channel measurement is mainly the synchronized sampling of pseudorange and carrier phase measurement.For
Pseudo range measurement is generally measured by fractional phase, chip count, epoch count etc..When correlator channel handles unlike signal
When, the number of chips of an epoch is variation, and correlator channel will can adapt to such situation, wherein correlator channel
Parameter is configured by the processor 40.
The Combined design of correlator channel is the hardware foundation of RDSS baseband chips processing Combined design, further, it is also possible to
It configures correlator channel to handle the signal of different system by increasing software, be realized based on this to unlike signal
Acquisition and tracking, and the text of different system is pocessed in software section.
For this purpose, by design software, the RDSS baseband chips 35 are additionally operable to：
Satellite is captured and is tracked, and correlator channel is distributed for the second signal of communication of the satellite launch of tracking.
What it is due to satellite launch is spread spectrum bpsk signal, and purpose receiving terminal is only despread, demodulation can just revert to base band
Signal, and these work are completed it is necessary to use correlator.Correlator be using the carrier frequency that locally reappears and C/A codes with it is defeated
The digital intermediate frequency that enters carries out relevant treatment, removes carrier frequency and C/A code signals, obtains for calculating pseudorange and navigation message
Various measurement data and status data.
In the present embodiment, a satellite occupies a correlator channel, is commonly designed middle correlator channel number and is more than in fact
Border number of satellite, when satellite exits visual range, the corresponding elevation angle reduces, and carrier-to-noise ratio reduces, when more than tracking threshold, phase
It closes device channel and no longer tracks the satellite, be in idle state, capture engine is waited for capture new satellite.The RDSS baseband chips
It capture engine is set captures the correlator channel for transferring to one of them idle after new satellite-signal and track.
Parameter is configured to the correlator channel of distribution so that correlator channel specific aim handles appointing system and specified satellite
Signal of communication；Wherein, the parameter of configuration includes pseudo-code sequence, PN-code capture, pseudo- code frequency, pseudo-code first phase, correlator branch
Spacing, local carrier frequency.
According to Combined design thought, correlator channel can handle the signal of each system, but before correlator channel work
The design parameter that channel is set by software is needed, its signal that can be directed to certain system satellite is enabled to work.Main configuration
Parameter includes pseudo-code sequence, PN-code capture, pseudo- code frequency, pseudo-code first phase, correlator branch spacing, local carrier frequency etc., with
And follow-up text handles and measures some corresponding parameters.
Optimization capture control and track loop scheme, to optimize acquisition probability and false-alarm probability；Wherein, according to noise level
Thresholding is selected, when in part false-alarm state, capture is increased to the part false-alarm state and is confirmed, if state is in capture shape
Pre-determined number then confirms to be currently false-alarm state repeatedly between state and tracking mode, and control is transferred to new acquiring satellite.
Capture control and track loop processing are generally realized in interrupt service routine.The communication equipment of Combined design can be located
Multiple signals are managed, then the execution efficiency for capturing control and track loop subprogram is main problem, needs to carry out program circuit
With the optimization of code.
In addition, capture control strategy influence acquisition probability and false-alarm probability (during false-alarm probability refers to radar detection,
Using Threshold detection method when generally existing due to noise and fluctuating, not actually exist target and be but judged as there be the general of target
Rate).Specifically, if false-alarm, it will result in engine acquisition success but correlator channel do not track, repeatedly in capture and tracking
Between convert.If missing inspection, capture is will result in less than satellite.The present embodiment uses following solution, according to noise electricity
Flat selection thresholding, when in part false-alarm state, increasing capture verification step and flow to false-alarm, if in capture and tracking
Between be taken as false-alarm 3 times repeatedly, be transferred to new acquiring satellite.
Referring to Fig. 4, second embodiment of the invention additionally provides a kind of anti-interference Beidou communication system of fusion public network communication
System, including：Public network communication system 100, big-dipper satellite command dispatching system 200, public network server system 300 and above-mentioned logical
Believe equipment 400；
Wherein, the communication equipment 400, the first signal of communication sent for receiving transmitting terminal to be communicated, and according to
First signal of communication is sent to public network communication system 100 or current tracking by currently detected public network signal intensity
Satellite；
The public network communication system 100, for after receiving the first signal of communication, by wireless network by described first
Signal of communication is sent to the public network server system 300；
The structure of the public network communication system 100 is as shown in Figure 5：Wherein,
MS：Mobile station (being the communication equipment 400 in the present embodiment)
BSS：Base station sub-system module
BTS：Base transceiver station
BSC：Base station controller
NSS：Network subsystem module
OMC：Operation maintenance center
MSC：Mobile switching centre
VLR：Roaming subscriber location reservoir (can be described in detail) below
HLR：Local user position reservoir (can be described in detail) below
AUC：Authentication Center
EIR：Device flag reservoir
OSS：Operations support systems (are also Operation Support System)
One MS, which calls another MS (purpose receiving terminal), asks the signaling basic procedure whole process that foundation communicates from MS
Starting MS first to BTS request channels will be in random access channel (RACH) to BSS channel request messages, to apply
One dedicated channel (SDCCH), after BSC distributes corresponding channel success for it, by vertical in access grant channel (AGCH)
The dedicated channel that i.e. assignment messages notice MS distributes for it, subsequent MS will send a layer three in the SDCCH for its distribution and disappear
Breath --- CM business request informations, CM types of service are that mobile initiation calls within the message, and the message is by transmission transparent BSS
After receiving CM business request informations to MSC, MSC, the access industry of this MS is handled by handling access request message informing VLR
Business request, (simultaneously as having used SCCP between the bsc and the msc has Connection Service, to establish SCCP connections, MSC will also be to
BSC returns connection confirmation message), after receiving service access request, VLR will first look at whether the MS in the database has authentication three
Otherwise ginseng group, asks authentication parameter, from HLR/ if so, by directly authentication order is issued to MSC to corresponding HLR/AUC
AUC obtains three ginseng groups, then issues authentication order to MSC again.After MSC receives the authentication order of VLR transmissions, by BSS to MS
Authentication request is issued, authentication parameter is contained in the order, after MS receives authentication request, utilizes the IMSI and authentication in SIM card
Algorithm obtains authenticating result, is sent to MSC by authentication response message, MSC is by authenticating result loopback VLR, by VLR verifications MS
The authenticating result of report and from HLR obtain authentication parameter in as a result, if the two is inconsistent, refuse this access request, this
Secondary call failure；If the two unanimously if the authentication is passed, after the authentication is passed, VLR will first to MSC issue encryption order, then
This time access request has obtained and has passed through the notice MSC MS, and MSC notifies that MS service requests are passed through by BSS, and then MSC is to MS
Encryption order is issued, which includes encryption mode, and MS is received after this order and complete encryption, and loopback encryption completion message arrives
This MS completes the work of entire access phase.
The big-dipper satellite command dispatching system 200, for receiving the first signal of communication forwarded by the satellite, and will
First signal of communication is sent to the public network server system 300.
The public network server system 300 for being demodulated to first signal of communication, and is sent to corresponding mesh
Receiving terminal.
In the present embodiment, the public network server system 300 is managed collectively public network communication system 100 and big-dipper satellite
The encryption data that command dispatching system 200 is transmitted is sent to corresponding purpose receiving terminal by demodulation；Similarly processing intent receives
It is transmitted by public network communication system and big-dipper satellite command dispatching system 200 after data and re-encrypted caused by end.
It should be noted that when receiving：
The public network server system 300 is additionally operable to receive the second signal of communication that the purpose receiving terminal is sent, and root
Second signal of communication is sent to public network communication system 100 according to the communication mode of first signal of communication or the Big Dipper is defended
Star command dispatching system 200；Wherein, when first signal of communication is by public network communications system transmission, described second is led to
Letter signal is sent to public network communication system 100；When first signal of communication is transmitted by big-dipper satellite command dispatching system 200
When, second signal of communication is sent to big-dipper satellite command dispatching system 200；
The public network communication system 100 is additionally operable to second signal of communication received being sent to the communication equipment
400；
The big-dipper satellite command dispatching system 200 is additionally operable to second signal of communication received being sent to currently
The satellite of tracking；
The communication equipment 400 is additionally operable to receive the second signal of communication of the satellite launch of basis, and described second is led to
Letter signal is sent to the transmitting terminal.
Communication system provided in this embodiment is led to by detecting current public network signal intensity intelligence switch data and transmitting
Road is transmitted the first signal of communication of transmitting terminal by the communication port of Beidou communication module when public network signal is weaker, works as public network
Signal seamlessly switches to the signal transmission that public network communication module carries out high-speed high capacity after restoring, to realize 24 hours national nothings
Intermittent network communication ensures also can timely to be communicated in remote districts or at natural calamity scene.
Illustratively, the above-mentioned computer program referred to can be divided into one or more module/units, one
Or multiple module/units are stored in the memory, and executed by the processor, to complete the present invention.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function.
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory can be used for storing the computer program and/or module, and the processor is by running or executing
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
The various functions of dynamic Hash calculation node towards block chain.The memory can include mainly storing program area and storage number
According to area, wherein storing program area can storage program area, (for example sound plays work(to the application program needed at least one function
Energy, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as audio data,
Phone directory etc.) etc..In addition, memory may include high-speed random access memory, can also include nonvolatile memory, example
Such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
The present invention realizes all or part of flow in above-described embodiment method, can also be instructed by computer program
Relevant hardware is completed, and the computer program can be stored in a computer readable storage medium, the computer program
When being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer
Program code, the computer program code can be source code form, object identification code form, executable file or certain centres
Form etc..The computer-readable medium may include：Can carry the computer program code any entity or device,
Recording medium, USB flash disk, mobile hard disk, magnetic disc, CD, computer storage, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software
Distribution medium etc..It should be noted that the content that the computer-readable medium includes can be according to making laws in jurisdiction
Requirement with patent practice carries out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, computer
Readable medium does not include electric carrier signal and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relation between module indicates there is communication connection between them, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, you can to understand
And implement.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of anti-interference Beidou communication equipment of fusion public network communication, which is characterized in that including short-range wireless communication module, public affairs
Network Communication module, Beidou communication module and processor；The processor is logical with the short-range wireless communication module, public network respectively
Believe module, the connection of Beidou communication module；Wherein：
The short-range wireless communication module for establishing the connection with transmitting terminal to be communicated, and receives the transmitting terminal and is based on
The first signal of communication that the connection is sent；
The processor, for receiving the first signal of communication that the short-range wireless communication module is sent and by the public network
Communication module detects current public network signal intensity, and when the public network signal intensity is more than preset threshold value, by described the
One signal of communication is sent to the public network communication module, will be described when the public network signal intensity is less than or equal to the threshold value
First signal of communication is sent to the Beidou communication module；
The public network communication module, for first signal of communication received to be sent to public network communication system, to pass through
It states public network communication system and is sent to purpose receiving terminal；
The Beidou communication module, for first signal of communication received to be sent to the satellite currently tracked, to pass through
The satellite is transmitted to purpose receiving terminal.
2. the anti-interference Beidou communication equipment of fusion public network communication according to claim 1, which is characterized in that the short distance
Wireless communication module includes but not limited to WiFi module, bluetooth module；The public network communication module include at least it is following wherein it
One：2G modules, 3G module, 4G modules.
3. the anti-interference Beidou communication equipment of fusion public network communication according to claim 1, which is characterized in that the public network
Communication module is connected to the processor by USB high-speed serial bus；The short-range wireless communication module is serial by SDIO
Bus is connected to the processor；The Beidou communication module is connected to the processor by general serial synchronous bus.
4. the anti-interference Beidou communication equipment of fusion public network communication according to claim 1, which is characterized in that the satellite
Communication module includes：Transmitting antenna, reception antenna, radio frequency frequency conversion chip, analog-to-digital conversion module, RDSS baseband chips and client
Identification module；The radio frequency frequency conversion chip is connect with the transmitting antenna, the reception antenna and the analog-to-digital conversion module；
The RDSS baseband chips are connect with the analog-to-digital conversion module, client identification module and the processor.
5. the anti-interference Beidou communication equipment of fusion public network communication according to claim 4, which is characterized in that the satellite
Communication module further includes power amplifier and low-noise amplifier；The power amplifier is set to the transmitting antenna and institute
It states between radio frequency frequency conversion chip；The low-noise amplifier is set between the reception antenna and the radio frequency frequency conversion chip.
6. the anti-interference Beidou communication equipment of fusion public network communication according to claim 4, which is characterized in that
The reception antenna, the second signal of communication for receiving the satellite launch currently tracked, and second communication is believed
Number it is sent to the radio frequency frequency conversion chip；
The radio frequency frequency conversion chip, for being sent to analog-to-digital conversion module after being filtered to second signal of communication；
The analog-to-digital conversion module, the second signal of communication for that will simulate are sent to the RDSS bases after being converted to digital signal
Microarray strip is handled, and is sent to the processor after treatment.
7. the anti-interference Beidou communication equipment of fusion public network communication according to claim 6, which is characterized in that
The RDSS baseband chips, for being handled second signal of communication using narrow the relevant technologies；Wherein, band is received
Width determines by signal modulation mode and signal trace method, and according to reception bandwidth selection signal sample frequency and receiver work
Working frequency；
The quantization digit of the analog-to-digital conversion module selects the intermediate-freuqncy signal of 2 bit quantizations.
8. the anti-interference Beidou communication equipment of fusion public network communication according to claim 6, which is characterized in that
The RDSS baseband chips are used for：
Satellite is captured and is tracked, and correlator channel is distributed for the second signal of communication of the satellite launch of tracking；
Parameter is configured to the correlator channel of distribution so that correlator channel specific aim handles the logical of appointing system and specified satellite
Believe signal；Wherein, the parameter of configuration include pseudo-code sequence, PN-code capture, pseudo- code frequency, pseudo-code first phase, correlator branch spacing,
Local carrier frequency；
According to the capture control of formulation and track loop scheme optimization acquisition probability and false-alarm probability；Wherein, according to noise level
Thresholding is selected, when being judged in part false-alarm state according to thresholding, capture is increased to the part false-alarm state and is confirmed, if
Pre-determined number then confirms to be currently false-alarm state to state repeatedly between trapped state and tracking mode, and control is transferred to new satellite
Capture.
9. a kind of anti-interference Beidou communication system of fusion public network communication, which is characterized in that including：Public network communication system, the Big Dipper
Satellite Command scheduling system, public network server system and the fusion public network as described in claim 1 to 8 any one communicate
Anti-interference Beidou communication equipment；
Wherein, the communication equipment, the first signal of communication sent for receiving transmitting terminal to be communicated, and according to current detection
The public network signal intensity arrived, the satellite that first signal of communication is sent to public network communication system or currently tracked；
The public network communication system, for after receiving the first signal of communication, being believed first communication by wireless network
Number it is sent to the public network server system；
The big-dipper satellite command dispatching system, for receiving the first signal of communication forwarded by the satellite, and by described
One signal of communication is sent to the public network server system；
The public network server system for being demodulated to first signal of communication, and is sent to corresponding purpose and receives
End.
10. the anti-interference Beidou communication system of fusion public network communication according to claim 9, which is characterized in that
The public network server system is additionally operable to receive the second signal of communication that the purpose receiving terminal is sent, and according to described
Second signal of communication is sent to public network communication system to the communication mode of first signal of communication or big-dipper satellite commander adjusts
Degree system；Wherein, when first signal of communication is by public network communications system transmission, second signal of communication is sent to
Public network communication system；When first signal of communication is transmitted by big-dipper satellite command dispatching system, described second is communicated
Signal is sent to big-dipper satellite command dispatching system；
The public network communication system is additionally operable to second signal of communication received being sent to the communication equipment；
The big-dipper satellite command dispatching system is additionally operable to second signal of communication received being sent to defending of currently tracking
Star；
The communication equipment is additionally operable to receive the second signal of communication of the satellite launch of basis, and by second signal of communication
It is sent to the transmitting terminal.
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| CN117877343A (en) * | 2023-06-02 | 2024-04-12 | 广东精天防务科技有限公司 | Parachute simulated training information processing system and parachute simulated training system |
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