CN104168056B - A kind of satellite communication terminal based on Andriod operating systems - Google Patents

A kind of satellite communication terminal based on Andriod operating systems Download PDF

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Publication number
CN104168056B
CN104168056B CN201410440559.6A CN201410440559A CN104168056B CN 104168056 B CN104168056 B CN 104168056B CN 201410440559 A CN201410440559 A CN 201410440559A CN 104168056 B CN104168056 B CN 104168056B
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China
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signal
satellite communication
used
communication terminal
unit
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CN201410440559.6A
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Chinese (zh)
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CN104168056A (en
Inventor
甘兵
刘丹
矿小兵
雒祖宇
赵为民
奉鸣
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四川灵通电讯有限公司
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Priority to CN201410440559.6A priority Critical patent/CN104168056B/en
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Abstract

The invention discloses a kind of satellite communication terminal based on Andriod operating systems, including:Microprocessor unit, signal adjustment unit, signal transmitting and receiving unit, power module, software systems.The good user interaction characteristics of Android operation system are made full use of in the present invention, it is applied to handheld satellite communication terminal, satellite communication terminal is enable to conveniently realize the communications such as voice, short message, picture, video, it is and high, simpler convenient for portable, operation with integrated level, the advantages that service fulfillment is quick is popularized satellite communication using with realistic meaning.

Description

A kind of satellite communication terminal based on Andriod operating systems

Technical field

The present invention relates to satellite communication fields, and in particular to a kind of satellite communication terminal based on Andriod operating systems.

Background technology

Android operation system is a now very popular mobile phone operating system, is developed based on Linux platform Mobile phone operating system is mainly used for portable equipment, is made of four layers of operating system, middleware, user interface and application software. It is the first real open and complete mobile software made for mobile terminal.Android operation system provides desktop, contact Numerous core applications such as people, phone, browser give the very high degree of freedom of user, have very the user interface of hommization and Very strong user's interaction capabilities, are liked by people very much.

One of the major way of satellite communication as modern communications extensively should in fields such as aviation, navigation, field emergencies With pith of the satellite communication terminal as satellite communication system, with the continuous development of science and technology, people are to satellite communication end Using the hommization of function, intelligence and its operating performance also proposed higher requirement at end.

Invention content

The present invention has designed and developed a kind of satellite communication terminal based on Andriod operating systems.It is fully sharp in the present invention With the good user interaction characteristics of Android operation system, it is applied to handheld satellite communication terminal, makes satellite communication whole End can conveniently realize the communications such as voice, short message, picture, video, and with integrated level it is high, convenient for portable, operation is simpler, industry The advantages that quick, is opened in business, satellite communication is popularized using with realistic meaning.

Technical solution provided by the invention is:

A kind of satellite communication terminal based on Andriod operating systems, which is characterized in that including:

Microprocessor unit, is integrated with MPU+DSP processor chips thereon, and the MPU+DSP processor chips are used for logical Letter ICBM SHF satellite terminal is controlled and data processing;

Signal adjustment unit is made of communication interface and modem module,

The communication interface is used to the signal of microprocessor unit be converted into baseband signal,

The modem module is made of modulation and demodulation two parts, and the modulating part is used to handle communication interface Baseband signal afterwards is converted into intermediate-freuqncy signal and is sent to Transmit-Receive Unit;The demodulation part is the inverse process of modulating part;

Signal transmitting and receiving unit is made of transmitter, receiver, duplexer, satellite communication antena,

The transmitter is used to intermediate-freuqncy signal being converted into radiofrequency signal, and be sent to satellite communication antena,

The receiver is used to the radiofrequency signal received from satellite communication antena being converted into intermediate-freuqncy signal, and be sent to Modem module,

The duplexer, can to ensure that satellite communication terminal sends and receives branch for receiving and transmitting signal to be isolated It works normally simultaneously;

Power module is made of DC/DC circuits, the DC/DC circuits respectively with microprocessor unit, modulation /demodulation list Member, Transmit-Receive Unit connection, for direct current to be adjusted to fit to the electricity of microprocessor unit, modem module, Transmit-Receive Unit Pressure;

Software systems, the software systems are based on Andriod operating system Embedded Software Platforms, and the software systems Infrastructure service, human-computer interaction, communications setting three zones module are provided.

Preferably, LCD multi-point touch panels, FLASH flash memories are also associated in the MPU+DSP processor chips, in DDR It deposits, audio treatment unit, the audio treatment unit is connect with loud speaker, microphone.

Preferably, the communication interface is made of level translator.

Preferably, the transmitter is mainly made of upconverter and power amplifier, and the upconverter is used for will The intermediate-freuqncy signal received is converted into radiofrequency signal, and the power amplifier is used to radiofrequency signal being amplified to certain level.

Preferably, the receiver is mainly made of low-converter and low-noise amplifier, the low-noise amplifier For the radiofrequency signal of the satellite communication antena received from noise to be amplified, the low-converter is used to believe radio frequency Number it is converted into intermediate-freuqncy signal.

Preferably, battery is connected on the power module, the battery is high power battery, for ensureing that satellite leads to Letter terminal realizes long-term call in the wild.

Preferably, the infrastructure service function module provides voice communication, short message, picture transmission, video playing, promptly Emergency, GPS positioning function.

Preferably, the human-computer interaction function module provides equipment state, system navigation hint/ask for instructions, user's memorandum Record, automatic star-seeking seek star function manually, and the star function of seeking manually mainly includes to satellite longitude, earth station longitude and latitude, thresholding The setting of allowance, human-computer interaction interface are a very important component parts in system, it includes machine by exporting or showing Show that equipment provides a large amount of relevant information and prompting to people, asks for instructions, it can also be related to machine input by input equipment Reach user's expected effects after information, display of star parameter etc. is sought in such as prompting, target location setting manually.

Preferably, the communications setting function module provide device parameter be equipped with, add and subtract disturb, channel coding/decoding function, The effect that the plus-minus is disturbed is to make signal spectrum structure more excellent, and the channel coding/decoding effect rearranges letter according to certain rule Number member or addition auxiliary code prevent symbol transmission process toe from malfunctioning, and have error-detection error-correction ability, it is reliable to improve signal transmission Property.

A kind of satellite communication terminal based on Android operation system of the present invention, microprocessor unit use MPU + DSP integrated chips realize hardware structure design, and MPU and DSP are integrated in a chip, are responsible for master control and data processing, chip Integrated level is high, makes hardware design succinct, Overall Power Consumption is relatively low;Data transmission and processing speed improve, and Service control is more convenient.

A kind of satellite communication terminal based on Android operation system of the present invention, using Android operation system Embedded Software Platform makes full use of Android operation system interface development convenient, open, versatility and favorable expandability, collection It is strong into processing capacity, the advantages of conducive to human-computer interaction, it is applied to handheld satellite communication terminal, data are stored in On FLASH flash memories (such as EEPROM), user is inputted by membrane keyboard, the man-machine friendship that LCD multiple point touchings display screen is realized Mutual and relevant information display enables satellite communication terminal to facilitate and realizes the communications such as voice, short message, picture, video, and with collection Into degree it is high, convenient for portable, operation is simpler, service fulfillment is quick the advantages that, satellite communication is popularized using having realistic meaning.

Description of the drawings

Fig. 1 is a kind of structure diagram of the satellite communication terminal based on Android operation system of the present invention.

Specific embodiment

The present invention is described in further detail below in conjunction with the accompanying drawings, to enable those skilled in the art with reference to specification text Word can be implemented according to this.

As shown in Figure 1, the present invention provides a kind of satellite communication terminal based on Andriod operating systems, including:

Microprocessor unit 10, is integrated with 11 chip of MPU+DSP processors thereon, and 11 chip of MPU+DSP processors is used In being controlled communication satellite terminal and data processing;

Signal adjustment unit 20 is made of communication interface 21 and modem module 22,

The communication interface 21 is used to the signal of microprocessor unit be converted into baseband signal,

The modem module 22 is made of modulation and demodulation two parts, and the modulating part is used for communication interface 21 Baseband signal that treated is converted into intermediate-freuqncy signal and is sent to Transmit-Receive Unit;The demodulation part is the inverse mistake of modulating part Journey;

Signal transmitting and receiving unit 30 is made of transmitter 31, receiver 32, duplexer 33, satellite communication antena 34,

The transmitter 31 is used to intermediate-freuqncy signal being converted into radiofrequency signal, and be sent to satellite communication antena 34,

The receiver 32 is used to the radiofrequency signal received from satellite communication antena 34 being converted into intermediate-freuqncy signal, concurrently Modem module 20 is sent to,

The duplexer 33 is for being isolated receiving and transmitting signal, to ensure that satellite communication terminal sends and receives branch all It can work normally simultaneously;

Power module 40 is made of DC/DC circuit (not shown), the DC/DC circuits (not shown) respectively with micro- place Reason device unit 10, modem module 20, Transmit-Receive Unit 30 connect, for direct current to be adjusted to fit microprocessor unit 10th, the voltage of modem module 20, Transmit-Receive Unit 30;

Software systems, the software systems are based on Andriod operating system Embedded Software Platforms, and the software systems Infrastructure service, human-computer interaction, communications setting three zones module are provided.

LCD multi-point touch panels 12, FLASH flash memories 13, DDR memories are also associated on 11 chip of MPU+DSP processors 14th, audio treatment unit 15, the audio treatment unit 15 are connect with loud speaker 16, microphone 17.

The communication interface 21 is made of level translator (not shown).

The transmitter 31 is mainly made of upconverter 31 (a) and power amplifier 31 (b), the upconverter 31 (a) for the intermediate-freuqncy signal received to be converted into radiofrequency signal, the power amplifier 31 (b) is for radiofrequency signal to be amplified To certain level.

The receiver main 32 is made of low-converter 32 (a) and low-noise amplifier 32 (b), the low noise amplification Device 32 (b) is for the radiofrequency signal of the satellite communication antena received from noise 34 to be amplified, the low-converter 32 (a) for radiofrequency signal to be converted into intermediate-freuqncy signal.

Battery 41 is connected on the power module 40, the battery is high power battery, for ensureing satellite communication end Long-term call is realized in the wild in end.

The infrastructure service function module provides voice communication, short message, picture transmission, video playing, emergency help, GPS Positioning function.

The human-computer interaction function module provides equipment state, system navigation hint/ask for instructions, user's memorandum, automatic seeking Star seeks star function manually, and the star function of seeking manually mainly includes setting satellite longitude, earth station longitude and latitude, thresholding allowance Put, human-computer interaction interface is a very important component part in system, it include machine by export or show equipment to People provide a large amount of relevant information and prompting, ask for instructions, can also afterwards be reached for information about to machine input by input equipment To user's expected effects, display of star parameter etc. is sought in such as prompting, target location setting manually.

The communications setting function module provide device parameter be equipped with, add and subtract disturb, channel coding/decoding function, the plus-minus disturbs Effect be to make signal spectrum structure more excellent, channel coding/decoding effect rearranges signal element according to certain rule or adds Entering auxiliary code prevents symbol transmission process toe from malfunctioning, and has error-detection error-correction ability, improves signal transmission reliability.

Embodiment 1

Transmission data, 11 integrated chip of MPU+DSP processors receive letter input by user by LCD multi-point touch panels 12 Breath, communication interface 21 receive the signal of MPU+DSP processors 11, and the signal received is converted into baseband signal and is sent to tune Modulates baseband signals are sent to transmitter 31 by demodulating unit 22 processed, modulating part into intermediate-freuqncy signal, and frequency converter 31 (a) will receive To intermediate-freuqncy signal be converted into radiofrequency signal, radiofrequency signal is amplified to certain level, passes through duplexer by power amplifier 31 (b) 33 pairs of receiving and transmitting signals are sent to satellite communication antena 34 after being isolated, radiofrequency signal is sent to satellite by satellite communication antena 34 On, complete the transmission of data.

Embodiment 2

Data are received, satellite communication antena 34 receives radiofrequency signal from satellite, sent after being isolated by duplexer 33 To low-noise amplifier 32 (b), low-noise amplifier 32 (b) believes the radio frequency of the satellite communication antena 34 received from noise It number is amplified, and amplified signal is sent to low-converter 32 (a), radiofrequency signal is converted into intermediate frequency by low-converter 32 (a) Signal is sent to modem module 22, and the intermediate-freuqncy signal received is converted into base by the demodulation part in modem module 22 Band signal, communication interface 21 converts baseband signals into the signal that 11 integrated chip of MPU+DSP processors can identify, then passes through LCD multi-point touch panels show correlation.

A kind of satellite communication terminal based on Android operation system of the present invention, microprocessor unit use MPU + DSP integrated chips realize hardware structure design, and MPU and DSP are integrated in a chip, are responsible for master control and data processing, chip Integrated level is high, makes hardware design succinct, Overall Power Consumption is relatively low;Data transmission and processing speed improve, and Service control is more convenient.

A kind of satellite communication terminal based on Android operation system of the present invention, using Android operation system Embedded Software Platform makes full use of Android operation system interface development convenient, open, versatility and favorable expandability, collection It is strong into processing capacity, the advantages of conducive to human-computer interaction, it is applied to handheld satellite communication terminal, data are stored in On FLASH flash memories (such as EEPROM), user is inputted by membrane keyboard, the man-machine friendship that LCD multiple point touchings display screen is realized Mutual and relevant information display enables satellite communication terminal to facilitate and realizes the communications such as voice, short message, picture, video, and with collection Into degree it is high, convenient for portable, operation is simpler, service fulfillment is quick the advantages that, satellite communication is popularized using having realistic meaning.

Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited In specific details and legend shown and described herein.

Claims (3)

1. a kind of satellite communication terminal based on Andriod operating systems, which is characterized in that including:
Microprocessor unit, is integrated with MPU+DSP processor chips thereon, and the MPU+DSP processor chips are used to defend communication Star terminal is controlled and data processing;
Signal adjustment unit is made of communication interface and modem module,
The communication interface is used to the signal of microprocessor unit be converted into baseband signal,
The modem module is made of modulation and demodulation two parts, and the modulating part is for by communication interface, treated Baseband signal is converted into intermediate-freuqncy signal and is sent to Transmit-Receive Unit;The demodulation part is the inverse process of modulating part;
Signal transmitting and receiving unit is made of transmitter, receiver, duplexer, satellite communication antena,
The transmitter is used to intermediate-freuqncy signal being converted into radiofrequency signal, and be sent to satellite communication antena,
The receiver is used to the radiofrequency signal received from satellite communication antena being converted into intermediate-freuqncy signal, and be sent to modulation Demodulating unit,
The duplexer is used to that receiving and transmitting signal to be isolated;
Power module is made of DC/DC circuits, the DC/DC circuits respectively with microprocessor unit, modem module, Transmit-Receive Unit connects, for direct current to be adjusted to fit to the voltage of microprocessor unit, modem module, Transmit-Receive Unit;
Software systems, the software systems are based on Andriod operating system Embedded Software Platforms, and the software systems provide Infrastructure service, human-computer interaction, communications setting three zones module;
Wherein, the infrastructure service function module provides voice communication, short message, picture transmission, video playing, emergency help, GPS Positioning function;
The human-computer interaction function module provides equipment state, system navigation hint/ask for instructions, user's memorandum, automatic star-seeking, hand It moves and seeks star function, it is described to seek star function manually mainly including the setting to satellite longitude, earth station longitude and latitude, thresholding allowance;
The communications setting function module provide device parameter be equipped with, add and subtract disturb, channel coding/decoding function;
The communication interface is made of level translator;
LCD multi-point touch panels, FLASH flash memories, DDR memories, audio frequency process list are also associated in the MPU+DSP processor chips Member, the audio treatment unit are connect with loud speaker, microphone;
Battery is connected on the power module.
2. the satellite communication terminal as described in claim 1 based on Andriod operating systems, which is characterized in that the transmitting Owner will be made of upconverter and power amplifier, and the upconverter is used to the intermediate-freuqncy signal received being converted into radio frequency Signal, the power amplifier are used to radiofrequency signal being amplified to certain level.
3. the satellite communication terminal as described in claim 1 based on Andriod operating systems, which is characterized in that the reception Owner will be made of low-converter and low-noise amplifier, and the low-noise amplifier is used for the satellite that will be received from noise The radiofrequency signal of communication antenna is amplified, and the low-converter is used to radiofrequency signal being converted into intermediate-freuqncy signal.
CN201410440559.6A 2014-09-01 2014-09-01 A kind of satellite communication terminal based on Andriod operating systems CN104168056B (en)

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CN108200230B (en) * 2017-12-26 2019-12-13 成都傅立叶电子科技有限公司 mobile phone satellite communication method based on STM32 platform
CN109361761A (en) * 2018-11-23 2019-02-19 南京朝焱智能科技有限公司 A kind of Internet of Things communication terminal operating system

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