CN109698926A - A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal - Google Patents
A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal Download PDFInfo
- Publication number
- CN109698926A CN109698926A CN201910054024.8A CN201910054024A CN109698926A CN 109698926 A CN109698926 A CN 109698926A CN 201910054024 A CN201910054024 A CN 201910054024A CN 109698926 A CN109698926 A CN 109698926A
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- Prior art keywords
- satellite
- mobile phone
- cell phone
- audio
- video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18558—Arrangements for managing communications, i.e. for setting up, maintaining or releasing a call between stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses the satellite communication terminals that voice and video telephone is realized using mobile phone terminal, it include: satellite antenna, satellite channel plate, ARM processing board, primary control program, Wi-Fi module and cell phone application, the satellite channel plate is connect by SPI physical bus with the ARM processing board, the primary control program is placed in ARM processing board and runs, and the Wi-Fi module is connect by usb bus with the ARM processing board；The satellite communication terminal further includes that the satellite network used is realized in cooperation, is provided with the control centre being used cooperatively in the satellite network；The cell phone application includes caller cell phone application and called mobile phone APP, and the caller cell phone application and the called mobile phone APP realize audio video transmission by satellite communication terminal.The present invention has the characteristics that using easy, equipment cost is low, easily scalable.
Description
Technical field
The present invention relates to a kind of satellite communication terminals that voice and video telephone is realized using mobile phone terminal, belong to satellite communication skill
Art field.
Background technique
Communication technology of satellite is a kind of important wireless communication means, has wide coverage, communications cost and apart from nothing
The advantages that closing, being seamlessly connected convenient for the whole world.The call of the audio/video between two o'clock is provided for satellite terminal user, is most common
A kind of application form.Point-to-point audio/video communication is realized using satellite resource, according to equipment form, using distinct methods.Its
In, (1) is for handheld satellite communication terminal: directly include in terminal: audio-video collection, player module, such as microphone, camera shooting
Head, loudspeaker, screen；Terminal be done directly audio-video collection, coding, transmission, broadcasting overall process；Its advantage is that: integrated level
It is high, easy to use；The disadvantage is that: terminal is complicated, lower (high-speed needs bigger antenna, cannot achieve at high cost, transmission rate
It is hand-held).(2) for portable or rack satellite communication terminal: communication terminal itself does not include at (or part includes) audio-video
Equipment is managed, terminal provides hardware interface can external dedicated or general audio-video collection/playback equipment；Disadvantage: using wired connection,
Flexibility is low；External equipment higher cost.(3) other schemes: there are also IP link is established between ICBM SHF satellite terminal, external audio-video is set
The standby network interface by terminal transmits audio, video data；Disadvantage: it uses more complex (needing to carry out relevant network parameter configuration), IP
Link can bring the additional occupancy to bandwidth resources.It is solved for this reason, it may be necessary to design corresponding technical solution and give.
Summary of the invention
The present invention be directed to the shortcomings of the prior art, provide a kind of defending using mobile phone terminal realization voice and video telephone
Star communication terminal has the characteristics that meet actual operation requirements using easy, equipment cost is low, easily scalable.
To solve the above problems, the technical solution used in the present invention is as follows:
A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal, comprising: satellite antenna, satellite channel
Plate, ARM processing board, primary control program, Wi-Fi module and cell phone application, the satellite channel plate by SPI physical bus with it is described
The connection of ARM processing board, the primary control program are placed in ARM processing board and run, and the Wi-Fi module passes through usb bus and ARM
Processing board connection；
The satellite communication terminal further includes that the satellite network used is realized in cooperation, is provided with and is used cooperatively in the satellite network
Control centre；
The cell phone application includes caller cell phone application and called mobile phone APP, the caller cell phone application and the called mobile phone
APP realizes audio video transmission by satellite communication terminal.
As an improvement of the above technical solution, the cell phone application includes mobile microphone and camera acquisition, by mobile phone
APP carries out AMR-WB audio coding and H.264 Video coding, and the audio, video data after coding is sent out by established TCP channel
Give primary control program.
As an improvement of the above technical solution, the primary control program unpacks to audio, video data, adds frame head processing
To adapt to satellite channel transmission, data frame passes through the satellite after spi bus send and is modulated into satellite-signal to satellite channel plate
Antenna is sent.
As an improvement of the above technical solution, the satellite antenna of receiving end receives the signal from satellite network, passes through
Channel board is demodulated to obtain data frame, is sent by spi bus to primary control program and is parsed and organized packet, and audio-video number is obtained
According to.
As an improvement of the above technical solution, the primary control program sends the data to mobile phone by TCP audio-video channel
APP；The cell phone application carries out after decoding accordingly audio, video data, is carried out by the loudspeaker and screen of the cell phone application
It plays.
Compared with prior art, implementation result of the invention is as follows by the present invention:
(1) present invention completes the functions such as dialing control, audio-video collection, compressed encoding using mobile phone terminal, instead of defending
Built in hardware or dedicated peripheral hardware in star communication terminal.
(2) it improves equipment easy applied performance, realize device fabrication low cost, and the upgrading for being easy to apply.
Detailed description of the invention
Fig. 1 is the satellite communication terminal structural schematic diagram of the present invention that voice and video telephone is realized using mobile phone terminal.
Specific embodiment
Illustrate the contents of the present invention below in conjunction with specific embodiments.
Realize that the satellite communication terminal structure of voice and video telephone is shown using mobile phone terminal to be of the present invention as shown in Figure 1:
It is intended to.
A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal of the present invention, comprising: satellite antenna,
Satellite channel plate, ARM processing board, primary control program, Wi-Fi module, cell phone application, the satellite channel plate 2 are defended for modulation /demodulation
Star signal is connect by SPI physical bus with ARM processing board 3；Primary control program 4 is run in the ARM processing board 3；The master control
Program 4 completes the control of communication process, and handles control instruction and audio, video data from mobile phone terminal APP；The Wi-Fi
Module is connect by usb bus with ARM processing board 3, for providing mobile phone terminal access hot spot；The cell phone application 6, operation
In user mobile phone, the operation such as dialing is provided, is answered for user, and carry out the audio-video collection in communication process, encoding and decoding, broadcasting
Equal work.
The working principle of the satellite communication terminal that voice and video telephone is realized using mobile phone terminal is as follows:
Calling procedure: for user mobile phone by Wi-Fi connection satellite communication terminal, user is soft by the APP for running on mobile phone
Part, input called number dial.APP software sends call request to satellite communication terminal, and satellite communication terminal is received
After call request, calling link setup signaling is sent by satellite channel plate and is passed through after satellite channel plate carries out signal modulation to signaling
Antenna is sent to the control centre of satellite network, and wait it is called answer, control centre's allocation of communication channels, satellite communication terminal connects
After receiving channel distribution signaling, link setup success message is sent to cell phone application by Wi-Fi module, after receiving link setup success message,
Cell phone application opens mobile phone terminal audio-video collection and playback equipment, is established by the main control software of Wi-Fi and satellite communication terminal
Then audio-video TCP transmission channel starts the transmission of audio, video data.
Audio video transmission process is as follows: audio-video carries out AMR- by cell phone application after mobile microphone, camera acquisition
WB audio coding and H.264 Video coding, it is soft that audio, video data after coding by established TCP channel is sent to master control
Part, main control software the processing such as are unpacked, add frame head to audio, video data to adapt to satellite channel transmission, and data frame is through SPI
Bus is sent be modulated into satellite-signal to channel board after, sent by satellite antenna；Receiving end satellite antenna is received from satellite
Signal is demodulated to obtain data frame by channel board, is sent by spi bus to main control software and is parsed and organized packet, obtains sound
Video data；Main control software sends the data to cell phone application by TCP audio-video channel；Cell phone application to audio, video data into
After the corresponding decoding of row, played out by mobile phone speaker and screen.
Detailed process is as follows for the call of sound (depending on) frequency:
(1) after ICBM SHF satellite terminal booting, start Wi-Fi module, provide the Wi-Fi heat of access for external equipment (such as mobile phone)
Point；
(2) Wi-Fi Hotspot that user's operation mobile phone connection ICBM SHF satellite terminal provides；
(3) calling subscriber opens dedicated APP, the main control software that APP passes through TCP connection to ICBM SHF satellite terminal；
(4) calling subscriber inputs called number, carries out dial-up operation, and APP sends link setup request to main control software；
(5) main control software carries out the link setup dial-up operation of satellite network, completes the link setup process of calling and called ICBM SHF satellite terminal；
(6) after satellite network link establishment, main control software is to the established message of calling and called APP transmission link；And in network
Two TCP ports are opened and monitored on interface, wait the audio, video data to be received from APP；
(7) APP is received after message has been established in link, is opened the audio-videos such as the camera, microphone, loudspeaker of mobile phone and is adopted
Collection, playback equipment；
(8) audio of APP connection ICBM SHF satellite terminal, video TCP port establish the network company for being used for transmission audio, video data
It connects；
(9) APP starts the acquisition of audio-video, compression, and audio, video data is sent to by established network connection
ICBM SHF satellite terminal.
(10) it after originator ICBM SHF satellite terminal such as is unpacked to audio, video data, adds frame head at the processing, send to satellite channel
Plate is sent after carrying out signal modulation by satellite antenna；
(11) the satellite channel plate of receiving end ICBM SHF satellite terminal, to from satellite antenna signal demodulation after send to main control software into
Row processing；Main control software parses data frame, packages to data, and reduction obtains original audio, video data；Main control software is then
According to the type of data, is connected respectively by established audio-video network, send the data to APP；
(12) it after APP is decoded the audio, video data received, is played out by the loudspeaker of mobile phone, screen.
Actual production and application has been put into the product that this programme is protected at present, especially in technical field of satellite communication
On application achieve certain success, it is clear that it is beneficial for having confirmed the technical solution of the product, is to meet society need
, it is also suitable for batch production and popularization and use.
The foregoing is a detailed description of the present invention in conjunction with specific embodiments, and it cannot be said that the present invention is specifically real
It applies and is only limitted to these explanations.For those skilled in the art to which the present invention belongs, before not departing from present inventive concept
It puts, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the scope of protection of the invention.
Claims (5)
1. it is a kind of using mobile phone terminal realize voice and video telephone satellite communication terminal, it is characterised in that: include: satellite antenna,
Satellite channel plate, ARM processing board, primary control program, Wi-Fi module and cell phone application, the satellite channel plate are total by SPI physics
Line is connect with the ARM processing board, and the primary control program is placed in ARM processing board and runs, and the Wi-Fi module passes through USB
Bus is connect with the ARM processing board；
The satellite communication terminal further includes that the satellite network used is realized in cooperation, is provided with the control being used cooperatively in the satellite network
Center processed；
The cell phone application includes caller cell phone application and called mobile phone APP, the caller cell phone application and the called mobile phone APP
Audio video transmission is realized by satellite communication terminal.
2. the satellite communication terminal of voice and video telephone is realized using mobile phone terminal according to claim 1, it is characterised in that: institute
Stating cell phone application includes mobile microphone and camera acquisition, carries out AMR-WB audio coding by cell phone application and H.264 video is compiled
Yard, the audio, video data after coding is sent to primary control program by established TCP channel.
3. the satellite communication terminal of voice and video telephone is realized using mobile phone terminal according to claim 2, it is characterised in that: institute
It states primary control program to unpack to audio, video data, add frame head processing to adapt to satellite channel transmission, data frame is through spi bus
It send and is sent after being modulated into satellite-signal to satellite channel plate by the satellite antenna.
4. the satellite communication terminal of voice and video telephone is realized using mobile phone terminal according to claim 3, it is characterised in that: connect
The satellite antenna of receiving end receives the signal from satellite network, is demodulated to obtain data frame by channel board, passes through spi bus
It send to primary control program and is parsed and organized packet, obtain audio, video data.
5. the satellite communication terminal of voice and video telephone is realized using mobile phone terminal according to claim 4, it is characterised in that: institute
Primary control program is stated by TCP audio-video channel, sends the data to cell phone application；The cell phone application carries out phase to audio, video data
After the decoding answered, played out by the loudspeaker and screen of the cell phone application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054024.8A CN109698926A (en) | 2019-01-21 | 2019-01-21 | A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054024.8A CN109698926A (en) | 2019-01-21 | 2019-01-21 | A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal |
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| CN109698926A true CN109698926A (en) | 2019-04-30 |
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| CN201910054024.8A Pending CN109698926A (en) | 2019-01-21 | 2019-01-21 | A kind of satellite communication terminal for realizing voice and video telephone using mobile phone terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224744A (en) * | 2019-06-24 | 2019-09-10 | 深圳星联天通科技有限公司 | A kind of system and method for realizing satellite communication hot spot |
| CN113037357A (en) * | 2021-02-24 | 2021-06-25 | 亚太卫星宽带通信（深圳）有限公司 | Method for dialing mobile phone by using high-throughput GEO satellite communication network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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