CN109683177A - Intelligent wearable device and intelligent wearable device communication means - Google Patents
Intelligent wearable device and intelligent wearable device communication means Download PDFInfo
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- CN109683177A CN109683177A CN201910067023.7A CN201910067023A CN109683177A CN 109683177 A CN109683177 A CN 109683177A CN 201910067023 A CN201910067023 A CN 201910067023A CN 109683177 A CN109683177 A CN 109683177A
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- 238000004891 communication Methods 0.000 title claims abstract description 128
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- 238000007906 compression Methods 0.000 claims description 8
- 230000036760 body temperature Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000009432 framing Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
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Classifications
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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
- G01S19/17—Emergency applications
-
- 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
- G01S19/02—Details of the space or ground control segments
-
- 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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/27—Acquisition or tracking or demodulation of signals transmitted by the system creating, predicting or correcting ephemeris or almanac data within the receiver
-
- 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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
-
- 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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention is related to a kind of intelligent wearable device and intelligent wearable device communication means, wherein intelligent wearable device includes: data acquisition module, for obtaining data information；Satellite communication module is connected to the data acquisition module, for being connected to satellite, to realize that the intelligent wearable device and third-party data transmit by satellite.The collected data information of intelligent wearable device is sent to satellite by satellite communication module by intelligent wearable device and intelligence wearable device communication means of the invention, the data that the intelligent wearable device is got can be uploaded in the network for acquisition in the world, make up existing intelligent wearable device uses blind area, it solves the information transmission problem of intelligent wearable device from far-off regions for outdoor subscriber, can be used to send emergency relief signal.
Description
Technical field
The present invention relates to intelligent wearable device field, in particular to a kind of intelligent wearable device and intelligent wearable device
Communication means.
Background technique
Using the transponder for the geostationary orbit satellite for being located at the equatorial plane when satellite retransmission technique, ground is generated upper
Row signal carries out transparent forwarding, is broadcast to ground receiver terminals equipment by point-to-point, point-to-points, point-to-area form, realizes
The functions such as communication, ranging, navigation, time service.
Current intelligent wearable device generally as intelligent platform extension, such as Apple Watch or Huawei
Watch, by near-field communication module and agreement such as bluetooth etc. with have platform that terrestrial cellular networks communicate (iPhone,
Apple Computers, Huawei's mobile phone, Huawei's computer etc.) connection in advance, and then the data in intelligent wearable device are sent out or
It is purely by way of the extension of platform or the interactive device with platform.
In recent years, with the popularization of Nano SIM card and eSIM card, the intelligent wearable device in part can be independently of ground
Cellular network is communicated, but use scope is still limited by ground network coverage area.Intelligent wearable device can not be made
With range further expansion.
It is carried out in the world in use, the intelligent main use demand of wearable device is obtained from own geographical location,
Inquire height above sea level, guide inquiry, temperature inquiry, wearer's rate pressure body temperature etc..And intermittent status information is needed to inform
Third party or once be in an emergency call for help when, it is existing intelligence wearable device be not possible to realize is connect by satellite
Enter to be communicated.It, immediately can be to being reported from the background or as intelligent wearable device once exceeds default zone of action.
Current intelligent wearable device, such as personnel activity's range monitoring device in smartwatch, motion bracelet or region
Deng by built-in GPS, Beidou, GLONASS or Galileo module, to realize the function for passively receiving itself geographical location information
Can, and actively issue the content including self geographical position information when having access to terrestrial cellular networks, it accuses
Know third party.But it is built in the area of not terrestrial cellular networks, such as ocean, desert, the two poles of the earth, depopulated zone or terrestrial cellular networks
If infull place, intelligent wearable device can not be communicated actively, to can not send the various information itself obtained
To third party.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent wearable device and intelligent wearable device communication means, Ke Yigen
According to needs, required information is sent to third party from anywhere in the whole world.
In order to solve the above technical problems, the present invention provides a kind of intelligent wearable devices, comprising: data acquisition module,
For obtaining data information；Satellite communication module is connected to the data acquisition module, for being connected to satellite, by defending
Star realizes that the intelligent wearable device and third-party data transmit.
Optionally, the data acquisition module includes: information input unit, for can actively wear to the intelligence for user
It wears and inputs data information to be transmitted in equipment；Positioning unit, for getting the current location information of user；Sensing unit,
It is surveyed including Temperature Humidity Sensor, baroceptor, gyroscope, acceleration, magnetometer, survey meter of blood pressure, cardiotach ometer and body temperature
At least one of instrument is measured, for measuring the data information of user's local environment, the data information of user movement state, Yi Jiyong
The physical condition information at family.
Optionally, further include a control module, be connected to the data acquisition module and the satellite communication module, use
In the data information that the processing data acquisition module is got, so as to satellite communication module transmission.
Optionally, the whole network satellite ephemeris, the satellite communication module further include: defend are prestored in the satellite communication module
Star communication antenna, for realizing the transmission of data information to be transmitted, and for receiving the satellite-signal from satellite, and
For capturing the downlink signal from satellite；Computing unit, for being defended according to the current location information and described the whole network of user
Star is gone through, and the transit time of satellite is calculated, and for the downlink signal according to satellite, gets corresponding code phase, carrier frequency
Rate and Doppler shift；Transmit-Receive Unit is connected to the satellite communication antena and the computing unit, for according to the calculating
Unit calculates resulting satellite transit time, and control antenna carries out the transmission of data information, and control antenna is received from satellite
Satellite-signal, and control downlink signal of the antenna trapping from satellite；Local carrier and pseudo-code copied cells are connected to described
Satellite communication antena, for replicating the carrier wave and pseudo-code of downlink signal, and for generating when capturing the downlink signal of satellite and
Change carrier wave and code phase, realizes to the carrier wave of downlink signal and the two-dimensional search of code phase；Decoding unit is connected to described defend
Star communication antenna, the computing unit and local carrier and pseudo-code copied cells, for using the carrier wave of duplication and the puppet of duplication
Code, is decoded the satellite-signal received；The decoding unit includes: tracker, is connected to the satellite communication antena
With the local carrier and pseudo-code copied cells, the carrier frequency one of the satellite-signal for making the carrier wave of duplication and receiving
It causes, and for keeping the pseudo-code of duplication consistent with the phase of the pseudo-code of the satellite-signal received；Frequency mixer, be connected to it is described with
Track device and the satellite communication antena, the carrier frequency after tracking for exporting the tracker are mixed with satellite-signal,
The satellite-signal is transported to base band；Multiplier is connected to the frequency mixer and the tracker, is used for the tracker
Pseudo-code after the tracking of output is multiplied with the satellite-signal after base band is transported to, to realize the removing of pseudo-code, output satellite signal
Numeric data code；Doppler shift compensating unit is connected to the decoding unit and computing unit, for according to Doppler's frequency
Partially, it treats the decoded satellite-signal from satellite and carries out Doppler effect correction.
Optionally, further include a ground communication module, be connected to the data acquisition module and the control module, be used for
It is connected to ground network, to realize that the intelligent wearable device and third-party data transmit by ground network；The control
Molding block includes: whether to judge the ground communication module to the control of the ground communication module and the satellite communication module
Ground network is had access to, and whether can be carried out data transmission by ground network and third party, if cannot, described in control
Satellite communication module is carried out data transmission by satellite and third party.
In order to solve the above technical problems, the present invention also provides a kind of intelligent wearable device communication means, including it is following
Step: the data information of intelligent wearable device to be transmitted is obtained；The data information of the intelligent wearable device is sent
To satellite, realize that the intelligent wearable device and third-party data transmit by satellite.
Optionally, the data information for obtaining intelligent wearable device includes: user is actively to the intelligent wearable device
Middle input data information to be transmitted；Obtain the current location information of user；The environmental information of environment, user where obtaining user
Movement state information and user physical condition information.
Optionally, the data information of intelligent wearable device is obtained further include: the voice messaging that compression user is actively entered,
And message sink coding is carried out to the text information that user is actively entered；By the source of data information, user is actively entered respectively
Environmental information, the movement state information of user and the body of user of environment where information, the current location information of user, user
Body status information adds different frame heads, and framing respectively, with to be transmitted.
Optionally, when the data information of the intelligent wearable device being sent to satellite, comprising the following steps: according to institute
It states the whole network satellite ephemeris and calculates the transit time for obtaining satellite；In the transit time of satellite, data information to be transmitted is sent out
Give satellite.
Optionally, further comprising the steps of: the satellite-signal received is decoded, comprising: to capture the downlink of satellite
Signal；Get the carrier wave and pseudo-code of the downlink signal；Replicate the carrier wave and pseudo-code of the downlink signal；It receives and comes from satellite
Satellite-signal；Keep duplication carrier wave it is consistent with the carrier frequency of received satellite-signal, and keep duplication pseudo-code and
The phase of the pseudo-code of received satellite-signal is consistent；The carrier wave of duplication is mixed with received satellite-signal, the satellite is believed
Number it is transported to base band；The pseudo-code of duplication is multiplied with the satellite-signal after base band is transported to, to realize that the removing of pseudo-code, output are defended
The numeric data code of star signal.
Intelligent wearable device of the invention and intelligent wearable device communication means collect intelligent wearable device
Data information satellite is sent to by satellite communication module, the intelligent wearable device can be obtained in the world
To data be uploaded in the network for acquisition, make up existing intelligent wearable device uses blind area, is outdoor subscriber solution
It has determined the information transmission problem of intelligent wearable device from far-off regions, can be used to send emergency relief signal.
Detailed description of the invention
Fig. 1 is the structural relation signal of each module of the intelligent wearable device in a kind of specific embodiment of the invention
Figure.
Fig. 2 is that the structure of the data acquisition module of the intelligent wearable device in a kind of specific embodiment of the invention is closed
It is schematic diagram.
Fig. 3 is that the structure of the satellite communication module of the intelligent wearable device in a kind of specific embodiment of the invention is closed
It is schematic diagram.
Fig. 4 is that the structural relation of the decoding unit of the intelligent wearable device in a kind of specific embodiment of the invention is shown
It is intended to.
Fig. 5 is the data acquisition module and control mould of the intelligent wearable device in a kind of specific embodiment of the invention
The connection relationship diagram of block, satellite communication module and ground communication module.
Fig. 6 is to judge that satellite communication module carries out the carrier wave process synchronous with code in a kind of specific embodiment of the invention
Schematic diagram.
Fig. 7 is the step schematic diagram of intelligent wearable device communication means in a kind of specific embodiment of the invention.
Specific embodiment
Below in conjunction with can to a kind of intelligent wearable device proposed by the present invention and intelligence in the drawings and specific embodiments
Wearable device communication means is described in further detail.
The study found that satellite after in-orbit adjustment early period, has been able to user to the ground at present carries out related service, mention
It is acquired for low speed narrow band data.Such as " Xiang cloud " satellite constellation starting star " Jiading No.1 " satellite launch goes up to the air, China is autonomous
The low rail Internet of Things communication network development formally start.Low rail Internet of Things communication network satellite representated by " Jiading No.1 ", have compared with
Low flight track, world communication distance is short, while having biggish satellite antenna gain, and working frequency is lower, this makes intelligence
Wearable device, can be with minimum transmission power and satellite in the case where ensureing that equipment of itself transmitting antenna meets communication requirement
Direct communication is carried out, the whole world will be met and quasi real time covered, to make intelligent wearable device can be in global anywhere and satellite
It is communicated.
Referring to Fig. 1, the structure of each module for the intelligent wearable device in a kind of specific embodiment of the invention
Relation schematic diagram.
In this specific embodiment, the intelligent wearable device includes: data acquisition module 101, for obtaining number
It is believed that breath；One satellite communication module 102 is provided, the data acquisition module 101 is connected to, for being connected to satellite, to pass through
Satellite realizes that the intelligent wearable device and third-party data transmit.Due to being provided with satellite communication module 102, energy
It is enough to send the collected data information of intelligent wearable device to third party in the world, it is wearable to make up existing intelligence
Equipment uses blind area, therefore uses meaning with very strong.
In a specific embodiment, satellite refers to low rail Internet of Things communication network satellite, has lower flight rail
Road, shorter world communication distance and biggish satellite antenna gain and lower working frequency.In a kind of specific embodiment party
In formula, lower flight track refers to satellite away from 1000~5000km of ground, and biggish satellite antenna gain refers to satellite antenna
Gain is greater than 10dB, and lower working frequency refers to VHF (Very high frequency, very high frequency(VHF), frequency range 30MHz
To 300MHz) or UHF, (Ultra High Frequency, superfrequency, frequency range are work of the 300MHz to 3000MHz) frequency range
Working frequency.Low rail Internet of Things communication network satellite is connected to using satellite communication module 102, it is ensured that the intelligence is wearable to be set
It is standby that data information can be sent to by satellite communication module 102 by satellite with lower power consumption.In fact, if the intelligence
Wearable device, which can have, provides bigger power consumption, flight track, world communication distance, satellite antenna gain and the work of satellite
The requirement of working frequency can suitably relax.
Further referring to Fig. 2 and Fig. 5, wherein Fig. 2 is that the intelligence in a kind of specific embodiment of the invention is wearable
The structural relation schematic diagram of the data acquisition module of equipment, Fig. 5 are that the intelligence in a kind of specific embodiment of the invention can be worn
Wear the data acquisition module and control module, the connection relationship diagram of satellite communication module and ground communication module of equipment.?
In the specific embodiment, the data acquisition module 101 includes: information input unit 201, is used for for user actively to described
Data information to be transmitted is inputted in intelligent wearable device.The meaning of setting information input unit 201 is that user can incite somebody to action
Information needed is input in intelligent wearable device, and is sent by intelligent wearable device, the information for inputting user
It can be acquired in third party.When user faces a danger, user can to the intelligence by the information input unit 201
Addition describes the data information of number in danger, personnel status etc. in wearable device, and can be by the intelligent wearable device
The data information for describing number in danger, personnel status etc. is sent to third party, it is very practical in order to which third party sues and labours.
In a specific embodiment, the information input unit 201 includes touch display screen, keyboard 502, microphone
501, at least one of I/O equipment such as camera.In specific embodiment shown in Fig. 5, the information input unit 201
Including microphone 501 and keyboard 502.In fact, further include a display screen 511 in specific embodiment shown in Fig. 5, connection
To the control module 103, the data got for showing the data acquisition module 101 are read for user.
In a specific embodiment, using the information input unit 201, user can be wearable to the intelligence
At least one of inputting word information, pictorial information or voice messaging in equipment.It should be noted that in transmission user's input
Voice messaging or pictorial information when, need first to carry out high compression ratio compression to voice messaging and pictorial information, in order to carry out
Data transmission.When transmitting the text information of user's input, then message sink coding can be carried out to text information, transmitted out again later
It goes, without carrying out compression processing.
In a specific embodiment, the data acquisition module 101 further includes sensing unit 203, and the sensing is single
Member 203 includes Temperature Humidity Sensor 506, baroceptor, gyroscope 503, acceleration, magnetometer 504, survey meter of blood pressure, the heart
At least one of rate meter 507 and body temperature measuring instrument 509, for measuring data information, the user movement of user's local environment
The data information of state and the physical condition information of user.In fact, for measuring the physical condition information for getting user
Sensor can also include heat consumption detector, glucometer and blood oxygen saturation measuring instrument, so as to user
Physical condition comprehensively detected.
In a specific embodiment, in order to balance the function and portability of the intelligent wearable device, it will right
The function of the intelligence wearable device is cut out.In a specific embodiment, the intelligence maximized after cutting out is implemented
The measurement of the velocity and acceleration of the body temperature to user, heart rate and user movement at least may be implemented in energy wearable device.Such as
Fig. 5, the sensing unit include gyroscope 503, magnetometer 504, accelerometer 505, Temperature Humidity Sensor 506, cardiotach ometer 507
With body temperature measuring instrument 509.
It should be noted that when, using gyroscope 503, accelerometer 505 and when magnetometer 504, need to gyroscope
503, the data that accelerometer 505, magnetometer 504 acquire are calculated, are converted, be converted into the movement velocity of user, acceleration,
The direction of motion.
In a specific embodiment, the intelligent wearable device further includes a control module 103.The control mould
Block 103 is connected to the data acquisition module 101 and the satellite communication module 102, for handling the data acquisition mould
The data information that block 101 is got, so as to the satellite communication module 102 transmission.The sensing unit 203 passes through the intelligence
General-purpose interface 510 built in wearable device is connected to the control module 103 with bus form.In 103 pairs of institutes of control module
The data information that sensing unit 203 and information input unit 201 are got is stated handle and then by the display screen
511 are shown, or are sent by the satellite communication module 102.
In a specific embodiment, the data acquisition module 101 further includes positioning unit 202, for getting
The current location information of user.In a specific embodiment, the positioning unit 202 includes 508 He of GNSS positioning chip
At least one of indoor positioning chip.
In a specific embodiment, when the positioning unit 202 includes GNSS positioning chip 508, the GNSS
Positioning chip 508 is connected to the control module 103 also by the general-purpose interface 510.Due to the GNSS positioning chip 508
The location information got includes searching sing data, dilution of precision, signal quality etc., is if desired all transmitted, then accounted for very much
With bandwidth, it is therefore desirable to carry out integration processing using the location information that control module 103 exports GNSS positioning chip 508, sieve
Select Partial key message, such as longitude, latitude, height, time etc..Additionally, due to the output frequency of GNSS positioning chip 508
It is higher, during integration processing, the data exported to GNSS positioning chip 508 is needed to extract.
In a specific embodiment, the information input unit 201, positioning unit 202 and sensing unit 203 connect
To the control module 103, so that the control module 103 processing comes from the information input unit 201, positioning unit 202
With the data information of sensing unit 203.In a specific embodiment, processing of the control module 103 to data information
It adds different frame heads respectively including the type by data information, and framing is carried out to the data information for being added to frame head, and
High compression ratio compression is carried out to voice messaging and pictorial information, message sink coding is carried out to the text information of user's input.In one kind
In specific embodiment, the current location information of the information, user that are actively entered by user, the environment of user place environment are believed
Breath, the movement state information of user and the physical condition information of user add different frame head logarithms it is believed that the type of breath is divided
Class adds different frame heads.
In a specific embodiment, the intelligent wearable device further includes a memory module, the memory module
It is connected to the control module 103, is added to frame head, the data information that completes framing can be stored in the memory module
In, it is taken to the satellite communication module 102.In a specific embodiment, the memory module includes flash card, storage
Amount is 512MB.Indeed, it is possible to which the specific structure of memory module and the amount of storage of the memory module is set as needed.
Such as in a specific embodiment, if required amount of storage is smaller, it might even be possible to using RAM (the Random access of 1MB
Memory, random access memory) to store the data after framing.
In a specific embodiment, the whole network satellite ephemeris is prestored in the satellite communication module 102.Satellite ephemeris
It is the expression formula for describing space flight body position and speed.Satellite ephemeris is between six orbit parameters of Kepler's law
Mathematical relationship come parameters such as the time, coordinate, orientation, the speed that determine flying body, there is high precision, being capable of the used time
Between past of three-dimensional description satellite, the present and the future, so that it is in place to get the excessively current intelligent wearable device institute of Satellite Road
The time set, the i.e. transit time of satellite, in order to the intelligent wearable device by the satellite communication module 102 to defending
Star sends data information.
It is that the satellite of the intelligent wearable device in a kind of specific embodiment of the invention is logical further referring to Fig. 3
Believe the structural relation schematic diagram of module.
In this specific embodiment, the satellite communication module 102 further includes satellite communication antena 301, for realizing
The transmission of data information to be transmitted, and for receiving the satellite-signal from satellite, and for capturing from satellite
Downlink signal.In a specific embodiment, the table of the intelligent wearable device is arranged in the satellite communication antena 301
Face.In a specific embodiment, the satellite communication antena 301 includes whip antenna.It is more preferably embodied in one kind
In mode, the whip antenna is drawing and pulling type whip antenna, to be stored when without satellite communication.
In this specific embodiment, the shell of the intelligent wearable device is provided with a containing cavities, the containing cavities
Do not shown in figure.When using the drawing and pulling type whip antenna, the drawing and pulling type whip antenna is stretched out of containing cavities
Out.When not using the drawing and pulling type whip antenna, the drawing and pulling type whip antenna is received into the containing cavities, is made described
The not exposed outer surface with the intelligent wearable device of drawing and pulling type whip antenna, will not influence the intelligent wearable device
Appearance.
In a specific embodiment, when sending data information using whip antenna, since satellite communication usually makes
The wave bands such as L (1~2GHz), C (1~2GHz), Ku (12~18GHz), S (2~4GHz), Ka (27~40GHz), whiplike day
The length of line needs the wavelength for the signal to be sent with it to match.In a specific embodiment, the whip antenna
Length is quarter-wave or half wavelength.
In a specific embodiment, the satellite communication module 102 further includes computing unit 303, for according to
The current location information at family and the whole network satellite ephemeris calculate the transit time of satellite, and for the downlink according to satellite
Signal gets corresponding code phase, carrier frequency and Doppler shift.
In a specific embodiment, in the satellite communication module 102 first according to current time and current location
Information determines the satellite that passes by that may currently exist, and calculates the transit time for the satellite that passes by one by one, and in each satellite that passes by
Transit time in search pass by the downlink signal of satellite, until getting the code phase and carrier wave of the pseudo-code of the satellite that passes by
Until frequency.In a specific embodiment, the satellite communication module 102 includes a local carrier and pseudo-code copied cells
305, it is connected to the satellite communication antena 301, for replicating the carrier wave and pseudo-code of downlink signal, and in capture satellite
When downlink signal, carrier wave and code phase are generated and changed, is realized to the carrier wave of downlink signal and the two-dimensional search of code phase.When this
When the carrier frequency and code phase alignment of the frequency of carrier wave and the code phase of pseudo-code and downlink signal that ground generates, pseudo-code correlation
Reach peak value, indicates the downlink signal acquisition success of satellite.
Further referring to Fig. 6, to judge that satellite communication module carries out carrier wave in a kind of specific embodiment of the invention
The process schematic synchronous with code.In this specific embodiment, one is generated using local carrier and pseudo-code copied cells 305 to carry
Wave and pseudo-code, and make locally generated carrier wave INCOIt is multiplied with the intermediate-freuqncy signal of the input in Fig. 6, obtains Im, the intermediate-freuqncy signal is
For downlink signal；Locally generated carrier wave INCOThe quadrature carrier Q obtained after 90 ° of phase transformations occursNCOAlso believe with the intermediate frequency of input
Number be multiplied, obtain Qm.Obtaining ImAnd QmAfterwards, respectively using low-pass filter LPF to ImAnd QmIt is filtered, obtains the I of low frequencyLWith
QL.By the I of low frequencyLAnd QLIt is added, obtains s (t)=IL+jQL.And then FFT Fourier transformation is carried out to s (t), S (f) is obtained, and will
S (f) is multiplied with C ' (f), and locally generated pseudo-code c (t) carries out FFT Fourier transformation and obtains C (f), and after taking conjugation to C (f)
Get C ' (f).The result being multiplied with C ' (f) to S (f) later carries out fast reverse Fourier transformation IFFT, and to IFFT after
Result carry out Threshold detection.If the carrier frequency of the frequency of locally generated carrier wave and the code phase of pseudo-code and downlink signal and
Code phase alignment, then the result after IFFT reaches peak value, is bound to be more than threshold value, at this point, the downlink signal of satellite is captured as
Function.
In a specific embodiment, when the result after IFFT being compared with threshold value, need first to IFFT after
Result modulus, and to modulus result square, later again compared with threshold value.If the value after square is more than thresholding, under showing
The success of row signal capture.If being not above thresholding, shows downlink signal capture failure, need to adjust locally generated carrier wave
Frequency, and repeat the above process, if adjusting locally generated pseudo-code sequence, and repeat the above process still without being more than thresholding,
Until capture.
In a specific embodiment, if the relative motion of the satellite between low-orbit satellite, with user of passing by
All there is Doppler shift in fast speed, carrier wave and code phase, therefore, in a specific embodiment, the satellite communication
Module 102 also calculates the Doppler shift for obtaining the low-orbit satellite by the computing unit 303, so as to receiving
Satellite-signal carries out Doppler shift compensation.In a specific embodiment, the satellite communication module 102 further includes more than one
General Le frequency offset compensation element 304, is connected to the decoding unit 306 and computing unit 303, for according to Doppler's frequency
Partially, it treats decoded satellite-signal and carries out Doppler effect correction.The Doppler shift compensating unit 304 treats decoded satellite letter
Number carry out Doppler effect correction, be that satellite-signal to be decoded is subtracted into the frequency of Doppler shift to realize.In fact, can also
As needed, progress Doppler shift compensation with other methods is adopted.
In a specific embodiment, the satellite communication module 102 further includes a Transmit-Receive Unit 302, is connected to institute
Satellite communication antena 301 and the computing unit 303 are stated, is passed by for calculating resulting satellite according to the computing unit 303
Time, control antenna carry out the transmission of data information, and control antenna receives the satellite-signal from satellite, and control antenna is caught
Obtain the downlink signal from satellite.In a specific embodiment, described to defend after the transit time for getting the satellite
Star communication module 102 can upload ready data information in corresponding transit time.
In a specific embodiment, it when the Transmit-Receive Unit 302 controls antenna to satellite launch data-signal, uses
Burst communication mode, in a very short period of time FastData information to satellite.Letter is advantageous in that using burst communication mode
It number is not easy to be trapped and interfere, there is higher safety.
It is that the satellite of the intelligent wearable device in a kind of specific embodiment of the invention is logical further referring to Fig. 4
Believe the structural relation schematic diagram of module.In this specific embodiment, the satellite communication module 102 further includes a decoding unit
306, the satellite communication antena 301, the computing unit 303 and local carrier and pseudo-code copied cells 305 are connected to, are used for
Using the carrier wave of duplication and the pseudo-code of duplication, the satellite-signal received is decoded.In a specific embodiment, institute
Stating decoding unit 306 includes tracker 401, is connected to the satellite communication antena 301 and replicates with the local carrier and pseudo-code
Unit 305, for make duplication carrier wave it is consistent with the carrier frequency of the satellite-signal received, and for make replicate pseudo-code
It is consistent with the phase of the pseudo-code of the satellite-signal received.
In a specific embodiment, the tracker 401 includes carrier wave ring and phaselocked loop, is respectively used to locking duplication
Carrier wave frequency, keep the frequency of the carrier wave of duplication consistent with the carrier frequency of the satellite-signal received, and for locking
The code phase of the pseudo-code of duplication keeps the code phase of the pseudo-code of local replica consistent with the code phase of the satellite-signal received.
In a specific embodiment, the noise bandwidth of phaselocked loop can be chosen as needed.In a kind of specific embodiment party
In formula, wider noise bandwidth can be chosen, preferable dynamic property be exchanged for the precision of carrier-phase measurement, to have
The robustness of the interference such as higher tolerance radio frequency, multipath and ionospheric storm, and the lower signal of signal-to-noise ratio can be tracked, it reduces
To the susceptibility of data bit jump.In fact, relatively narrow noise bandwidth can also be selected as needed, to obtain accurate carrier wave
Phase measurement.
In consistent, local replica the pseudo-code of the frequency for the carrier wave that ensure that local replica and the carrier frequency of satellite-signal
After code phase is consistent with the code phase of satellite-signal, that is, the carrier wave of the duplication and the phaselocked loop of duplication can be used, to what is received
The numeric data code of satellite-signal is removed, comprising: is mixed the carrier wave of duplication and the satellite-signal received, is realized the stripping of carrier wave
From base band will be changed under the satellite-signal received；The pseudo-code of duplication is multiplied with the satellite-signal received, to realize pseudo-code
Removing and signal despreading, output data code.
Therefore, in this specific embodiment, the decoding unit 306 further includes frequency mixer 402, is connected to the tracking
Device 401 and the satellite communication antena 301, the carrier frequency and satellite letter after tracking for exporting the tracker 401
Number mixing, the satellite-signal is transported to base band.
In this specific embodiment, the decoding unit 306 further includes multiplier 403, is connected to the frequency mixer 402
With the tracker 401, pseudo-code after tracking for exporting the tracker 401 and the satellite-signal being transported to after base band
It is multiplied, to realize the removing of pseudo-code, the numeric data code of output satellite signal.
In a specific embodiment, the intelligent wearable device further includes a ground communication module 104, is connected to
The data acquisition module 101 and the control module 103, for being connected to ground network, to realize institute by ground network
It states intelligent wearable device and third-party data is transmitted.In a specific embodiment, the ground network includes bluetooth
Network, near-field communication network, ZigBee-network, Wifi route network, infrared network, 6G network, 5G network, 4G network, 3G net
At least one of network, 2G network, NB-IOT network and LoRa network.The ground communication module 104 include bluetooth unit,
NFC unit, ZigBee unit, Wifi unit, infrared unit, 6G network unit, 5G network unit, 4G network unit, 3G network
At least one of unit, 2G network unit, NB-IOT network unit and LoRa network unit.
The control module 103 includes: to the control of the ground communication module 104 and the satellite communication module 102
Judge whether the ground communication module 104 has access to ground network, and whether can by ground network and third party into
The transmission of row data, if cannot, it controls the satellite communication module 102 and is carried out data transmission by satellite and third party.One
In kind specific embodiment, the ground communication module 104 includes a terrestrial communication antenna, for receiving the ground of ground network
The network information, and message is sent into the ground network.
In a specific embodiment, when judging whether the ground communication module 104 has access to ground network,
It can be realized by judging the signal strength of the ground network.Specifically, with the signal power or letter of ground network signal
The form of ratio of making an uproar assesses the signal strength of the ground network.In a specific embodiment, if the letter of ground network signal
Number power or signal-to-noise ratio are less than a preset threshold value, then the control module 103 determines presently described ground communication module 104
Ground network can not be accessed.
In a specific embodiment, if the intelligence wearable device is to be linked into ground base net by other equipment
Network, such as Intelligent bracelet connect mobile phone by Bluetooth protocol, and are further connected to internet by mobile phone, such as 2G, 3G, 4G
Deng, should not be according to the connection of the ground communication module 104 and other equipment then in the signal strength for judging ground network
Whether determine that can the ground communication module 104 be connected to ground network, but should be according to the ground communication module
Can 104 be connected to internet to judge be connected to ground network.
In a specific embodiment, the intelligent wearable device further includes electric power supporting module 105, including electricity
Source is connected to the data acquisition module 101, the satellite communication module 102 and ground communication module 104, for being described
Data acquisition module 101 and the satellite communication module 102 and ground communication module 104 provide electric power support.A kind of specific
In embodiment, the electricity of the power supply should can satisfy the intelligent wearable device and be sent out by satellite communication antena 301
Penetrate the requirement of data information.
In a specific embodiment, the intelligent wearable device further includes shell, specifically, be guard shield,
Such as waterproof and dustproof can play protective action to the intelligent wearable device.The intelligence wearable device further includes wearing
Wear auxiliary member.The shape for dressing auxiliary member is related to the intelligent type of wearable device.It is intelligence in the intelligent wearable device
When energy wrist-watch etc. is worn to the intelligent wearable device on arm, then the wearing auxiliary member includes watchband.
Referring to Fig. 7, to show the step of intelligent wearable device communication means in a kind of specific embodiment of the invention
It is intended to.
In this specific embodiment, the intelligent wearable device communication means is the following steps are included: S71 acquisition is to be passed
The data information of defeated intelligent wearable device；The data information of the intelligent wearable device is sent to satellite by S72, is passed through
Satellite realizes that the intelligent wearable device and third-party data transmit.
In a specific embodiment, satellite refers to low rail Internet of Things communication network satellite, has lower flight rail
Road, shorter world communication distance and biggish satellite antenna gain and lower working frequency.In a kind of specific embodiment party
In formula, lower flight track refers to satellite away from 1000~5000km of ground.It is connected to by low rail Internet of Things communication network satellite
Internet, it is ensured that data information can be sent to satellite with lower power consumption by the intelligence wearable device.It is practical
On, if the intelligence wearable device, which can have, provides bigger power consumption, flight track, the world communication distance, star of satellite
The requirement for carrying antenna gain and working frequency can suitably relax.
The collected data information of intelligent wearable device is sent to by the specific embodiment by satellite communication module
The data that the intelligent wearable device is got can be uploaded in the network for acquisition by satellite in the world,
Make up existing intelligent wearable device uses blind area, solves the information of intelligent wearable device from far-off regions for outdoor subscriber
Transmission problem can be used to send emergency relief signal.
In a specific embodiment, the data information for obtaining intelligent wearable device includes: user is actively to described
Data information to be transmitted is inputted in intelligent wearable device；Obtain the current location information of user；Environment where obtaining user
Environmental information, the movement state information of user and the physical condition information of user.
In a specific embodiment, the data information of intelligent wearable device is obtained further include: compression user is actively
The voice messaging of input, and message sink coding is carried out to the text information that user is actively entered；It is right respectively by the source of data information
The current location information of information, user that user is actively entered, the environmental information of user place environment, the motion state of user letter
The physical condition information of breath and user add different frame heads, and framing respectively, with to be transmitted.
In a specific embodiment, when the data information of the intelligent wearable device being sent to satellite, including
Following steps: the transit time for obtaining satellite is calculated according to the whole network satellite ephemeris；It, will be to be passed in the transit time of satellite
Defeated data information is sent to satellite.
In a specific embodiment, the intelligent wearable device communication means is further comprising the steps of: to reception
To satellite-signal be decoded, comprising: capture the downlink signal of satellite；Get the carrier wave and pseudo-code of the downlink signal；
Replicate the carrier wave and pseudo-code of the downlink signal；Receive the satellite-signal from satellite；The carrier wave of duplication is kept to defend with received
The carrier frequency of star signal is consistent, and keeps the pseudo-code of duplication consistent with the phase of the pseudo-code of received satellite-signal；It will answer
The carrier wave of system is mixed with received satellite-signal, and the satellite-signal is transported to base band；By the pseudo-code of duplication and it is transported to base
Satellite-signal after band is multiplied, to realize the removing of pseudo-code, the numeric data code of output satellite signal.
In a specific embodiment, the intelligent wearable device communication means is further comprising the steps of: from described
The Doppler shift of the carrier wave of the satellite is got in the downlink signal of satellite；It is right according to the Doppler shift of the satellite
Satellite-signal to be decoded carries out Doppler shift compensation.
In a specific embodiment, the intelligent wearable device communication means is further comprising the steps of: judging institute
State whether intelligent wearable device has access to ground network, if cannot, it controls the intelligent wearable device and passes through satellite
Carry out data transmission with third party.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of intelligence wearable device characterized by comprising
Data acquisition module, for obtaining data information；
Satellite communication module is connected to the data acquisition module, for being connected to satellite, to realize the intelligence by satellite
Wearable device and third-party data are transmitted.
2. intelligence wearable device according to claim 1, which is characterized in that the data acquisition module includes:
Information input unit, for actively inputting data information to be transmitted into the intelligent wearable device for user；
Positioning unit, for getting the current location information of user；
Sensing unit, including Temperature Humidity Sensor, baroceptor, gyroscope, acceleration, magnetometer, survey meter of blood pressure, heart rate
At least one of meter and body temperature measuring instrument, for measuring the data information of user's local environment, the number of user movement state
It is believed that the physical condition information of breath and user.
3. intelligence wearable device according to claim 2, which is characterized in that further include a control module, be connected to institute
Data acquisition module and the satellite communication module are stated, the data information got for handling the data acquisition module,
So as to satellite communication module transmission.
4. intelligence wearable device according to claim 2, which is characterized in that prestored in the satellite communication module complete
Net satellite ephemeris, the satellite communication module further include:
Satellite communication antena, for realizing the transmission of data information to be transmitted, and for receiving the satellite letter from satellite
Number, and for capturing the downlink signal from satellite；
Computing unit calculates when passing by of satellite for the current location information and the whole network satellite ephemeris according to user
Between, and for the downlink signal according to satellite, get corresponding code phase, carrier frequency and Doppler shift；
Transmit-Receive Unit is connected to the satellite communication antena and the computing unit, for calculating institute according to the computing unit
The satellite transit time obtained, control antenna carry out the transmission of data information, and control antenna receives the satellite-signal from satellite, with
And control downlink signal of the antenna trapping from satellite；
Local carrier and pseudo-code copied cells, are connected to the satellite communication antena, for replicating the carrier wave and puppet of downlink signal
Code, and for when capturing the downlink signal of satellite, generating and variation carrier wave and code phase, realize to the carrier wave of downlink signal and
The two-dimensional search of code phase；
Decoding unit is connected to the satellite communication antena, the computing unit and local carrier and pseudo-code copied cells, is used for
Using the carrier wave of duplication and the pseudo-code of duplication, the satellite-signal received is decoded；
The decoding unit includes:
Tracker is connected to the satellite communication antena and the local carrier and pseudo-code copied cells, for making the load of duplication
Wave is consistent with the carrier frequency of the satellite-signal received, and the puppet for making the pseudo-code of duplication with the satellite-signal received
The phase of code is consistent；
Frequency mixer is connected to the tracker and the satellite communication antena, after the tracking for exporting the tracker
Carrier frequency is mixed with satellite-signal, and the satellite-signal is transported to base band；
Multiplier is connected to the frequency mixer and the tracker, the pseudo-code after tracking for exporting the tracker with
Satellite-signal after being transported to base band is multiplied, to realize the removing of pseudo-code, the numeric data code of output satellite signal；
Doppler shift compensating unit is connected to the decoding unit and computing unit, is used for according to the Doppler shift, right
Satellite-signal from satellite to be decoded carries out Doppler effect correction.
5. intelligence wearable device according to claim 3, which is characterized in that it further include a ground communication module, connection
To the data acquisition module and the control module, for being connected to ground network, to realize the intelligence by ground network
It can wearable device and the transmission of third-party data；
The control module includes: to the control of the ground communication module and the satellite communication module
Judge whether the ground communication module has access to ground network, and whether can by ground network and third party into
The transmission of row data, if cannot, it controls the satellite communication module and is carried out data transmission by satellite and third party.
6. a kind of intelligence wearable device communication means, which comprises the following steps:
Obtain the data information of intelligent wearable device to be transmitted；
The data information of the intelligent wearable device is sent to satellite, by satellite realize the intelligent wearable device with
Third-party data transmission.
7. intelligence wearable device communication means according to claim 6, which is characterized in that obtain intelligent wearable device
Data information include:
User actively inputs data information to be transmitted into the intelligent wearable device；
Obtain the current location information of user；
Environmental information, the movement state information of user and the physical condition information of user of environment where obtaining user.
8. intelligence wearable device communication means according to claim 7, which is characterized in that obtain intelligent wearable device
Data information further include:
The voice messaging that compression user is actively entered, and message sink coding is carried out to the text information that user is actively entered；
By the source of data information, environment where the current location information of the information, user that are actively entered respectively to user, user
Environmental information, the movement state information of user and the physical condition information of user add different frame heads, and framing respectively, with to
Transmission.
9. intelligence wearable device communication means according to claim 6, which is characterized in that set the intelligence is wearable
When standby data information is sent to satellite, comprising the following steps:
The transit time for obtaining satellite is calculated according to the whole network satellite ephemeris；
In the transit time of satellite, data information to be transmitted is sent to satellite.
10. intelligence wearable device communication means according to claim 6, which is characterized in that further comprising the steps of:
The satellite-signal received is decoded, comprising:
Capture the downlink signal of satellite；
Get the carrier wave and pseudo-code of the downlink signal；
Replicate the carrier wave and pseudo-code of the downlink signal；
Receive the satellite-signal from satellite；
It keeps the carrier wave of duplication consistent with the carrier frequency of received satellite-signal, and the pseudo-code of duplication is kept to defend with received
The phase of the pseudo-code of star signal is consistent；
The carrier wave of duplication is mixed with received satellite-signal, the satellite-signal is transported to base band；
The pseudo-code of duplication is multiplied with the satellite-signal after base band is transported to, to realize the removing of pseudo-code, output satellite signal
Numeric data code.
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Application publication date: 20190426 |