CN206575417U - A kind of boat-carrying satellite mobile communication device - Google Patents
A kind of boat-carrying satellite mobile communication device Download PDFInfo
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- CN206575417U CN206575417U CN201720053528.4U CN201720053528U CN206575417U CN 206575417 U CN206575417 U CN 206575417U CN 201720053528 U CN201720053528 U CN 201720053528U CN 206575417 U CN206575417 U CN 206575417U
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- mobile communication
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Abstract
The utility model discloses the utility model discloses a kind of boat-carrying satellite mobile communication device, including for receiving/sending the antenna of signal；Radio frequency amplifier for the signal amplification to above-mentioned antenna reception/transmission；The central processing unit for the serial signal that radiofrequency signal and the above-mentioned radiofrequency signal of processing are obtained is obtained for handling above-mentioned radio frequency amplifier；Interface convertor for the serial line interface for transmitting above-mentioned serial signal to be converted into Ethernet interface；Power supply changeover device for input voltage to be converted into above-mentioned radio frequency amplifier, above-mentioned central processing unit and the corresponding operating voltage of above-mentioned interface convertor.It can be seen that, boat-carrying satellite mobile communication device disclosed in the utility model embodiment, in data processing and the cable cost changed when avoiding arrangement indoor and outdoors device, simultaneously, it is adapted to various boat-carrying mounting locations, the cost individually customized is reduced, so as to significantly reduce the cost of boat-carrying satellite communication apparatus.
Description
Technical field
The utility model is related to boat-carrying satellite communication technology field, more particularly to a kind of boat-carrying satellite mobile communication device.
Background technology
Current boat-carrying satellite mobile communication device, possesses satellite mobile communication ability, can be carried out with exterior terminal cascade
The business such as voice, video and IP data.Existing apparatus is made up of outdoor section and indoor section two parts.Wherein, outdoor section
It is made up of antenna and radio frequency amplifier, completes satellite-signal transmission-receiving function；Indoor section is by central processing unit and interface convertor
Composition, completes satellite-signal processing and business interface translation function.Antenna, radio frequency amplifier and central processing unit, which are constituted, to be based on
" it is logical No. one " satellite mobile communication function, interface conversion unit is responsible for Application of Interface, unrelated with satellite communication.Existing apparatus will
The part for being related to satellite communication has splitted into outdoor and indoor two parts, and the shortcoming so brought has：
1) complex interfaces of outdoor section and indoor section, it is indoor to there are four kinds of interfaces with outdoor：Radio frequency uplink and downlink are believed
Number, modulation control signal and antenna element power supply are fed using a radio-frequency cable at present.
2) outdoor section and indoor section are because using radio-frequency cable connection, long cable can introduce larger Insertion Loss simultaneously
Gain fluctuation is brought, communication quality is impacted, cable cost is also more considerable.
3) the indoor section major function of existing apparatus is to provide multiple interfaces adaptation and software application, such as believes satellite
Number it is converted into Ethernet or WIFI etc.；Presently commercially available router possesses multiple interfaces translation function, but input interface be usually with
Too network interface, due to there is the interface of satellite side, therefore it is incompatible with the universal product, cause to customize, cost increase.
In summary, the cost for how reducing boat-carrying satellite communication apparatus is that those skilled in the art need solution at present
Technical problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of boat-carrying satellite mobile communication device, can significantly drop
The cost of low boat-carrying satellite communication apparatus.Its concrete scheme is as follows：
A kind of boat-carrying satellite mobile communication device, including for receiving/sending the antenna of signal；For being connect to the antenna
Transmit/receive the radio frequency amplifier that the signal sent is amplified；Radiofrequency signal and processing institute are obtained for handling the radio frequency amplifier
State the central processing unit for the serial signal that radiofrequency signal is obtained；For by the serial line interface for transmitting the serial signal be converted into
The too interface convertor of network interface；For input voltage to be converted into the radio frequency amplifier, the central processing unit and described
The power supply changeover device of the corresponding operating voltage of interface convertor.
It is preferred that, the radio frequency amplifier includes low noise amplifier and power amplifier.
It is preferred that, the antenna includes antenna surface, feed, three-axle steady platform, antenna control unit, GPS/BD bimodulus and defended
Star locating module and inertial navigation module.
It is preferred that, the interface convertor includes two-way serial line interface and an Ethernet interface, wherein, the two-way string
Line interface is multiplexed the Ethernet interface.
It is preferred that, the central processing unit includes receiving end SAW filter, originator SAW filter, power management chip, height
Precision temperature compensating crystal oscillator, rf chip, baseband processing chip and micro-control unit.
It can be seen that, boat-carrying satellite mobile communication device disclosed in the utility model embodiment, it is to avoid arrangement indoor and outdoors
Cable cost during device in data processing and conversion, meanwhile, various boat-carrying mounting locations are adapted to, it is individually fixed to reduce
The cost of system, so as to significantly reduce the cost of boat-carrying satellite communication apparatus.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is a kind of structural representation of boat-carrying satellite mobile communication device disclosed in the utility model embodiment；
Fig. 2 illustrates for a kind of set location distribution of boat-carrying satellite mobile communication device disclosed in the utility model embodiment
Figure；
Fig. 3 is the fexible unit that a kind of boat-carrying satellite mobile communication device disclosed in the utility model embodiment is communicated
Schematic diagram；
Fig. 4 is a kind of structural representation of specific boat-carrying satellite mobile communication device disclosed in the utility model embodiment
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
It is shown in Figure 1 the utility model discloses a kind of boat-carrying satellite mobile communication device, including transmitted/received for connecing
The antenna 11 for the number of delivering letters；Radio frequency amplifier 12 for the signal amplification to above-mentioned antenna reception/transmission；For handling above-mentioned penetrate
Audio amplifier obtains radiofrequency signal and handles the central processing unit 13 for the serial signal that above-mentioned radiofrequency signal is obtained；For that will transmit
The serial line interface of above-mentioned serial signal is converted into the interface convertor 14 of Ethernet interface；It is above-mentioned for input voltage to be converted into
The power supply changeover device 15 of radio frequency amplifier, above-mentioned central processing unit and the corresponding operating voltage of above-mentioned interface convertor.
Shown in Figure 2, boat-carrying satellite mobile communication device is outdoor equipment 1, passes through the Ethernet of interface convertor 14
Interface is attached with common apparatus 2.
Shown in Figure 3, common apparatus 2 includes the terminal connected by wired or wireless route, including IP phone, desk-top
Computer, notebook computer and mobile phone.
It is shown in Figure 4 in a kind of specific embodiment, defended especially for the boat-carrying in " it is logical No. one " satellite
Star mobile communications device, using S band antennas, including include four array element helical antenna face 1A, feed 1B, 3 axis stabilized platforms 1C,
Antenna control unit (ACU) 1D, GPS/BD dual mode satellite locating module 1E and inertial navigation module (IMU) 1F；External interface has：Two
Radio frequency access interface, a serial line interface and+24V a power input interface, the antenna can be using S frequency range boat-carrying V025 types day
Line, naturally it is also possible to using the antenna of other models of said function.
In the utility model embodiment of the above-mentioned array element helical antenna of use S frequency ranges four, radio frequency amplifier includes low noise
Amplifier (LNA) 2A and power amplifier (PA) 2B, wherein, the signal that low noise amplifier (LNA) 2A receives antenna carries out low
Noise amplifies, it is ensured that system has sufficiently low G/T values；Power amplifier (PA) 2B carries out defeated after high-power amplification to radiofrequency signal
Go out to antenna, it is ensured that system has sufficiently high EIRP, the radio frequency amplifier can use NCE15M type RF receiving and transmission modules, certainly
The radio frequency amplifier of other models of said function can be used.
It should be noted that EIRP is a kind of important parameter in satellite communication and wireless network.Effective omnidirectional radiation work(
Rate, i.e. EIRP, are the radiant power of satellite repeater in the direction indicated.It is the logarithm of antenna gain and power amplifier power output
With unit is dBW.EIRP calculation formula is EIRP=P-Loss+G, and the P in formula is the power output of amplifier, and Loss is
Feeder loss between power amplifier output end and antenna feed, G is the transmission gain of satellite antenna.
It should be further stated that, G/T values are an important technology performance indications for reflecting ground station reception system.Its
Middle G is receiving antenna gain, and T is the equivalent noise temperature for representing reception system noiseproof feature.G/T values are bigger, illustrate earth station
The performance of reception system is better.
In the above-mentioned specific array element helical antenna of use S frequency ranges four, and radio frequency amplifier includes low noise amplifier and power is put
In the utility model embodiment of big device, the effect of central processing unit is to complete the signal transacting between radio frequency and base band, including
Receiving end SAW filter 3A, originator SAW filter 3B, power management chip 3C, high accuracy temperature compensating crystal oscillator (TCXO) 3D, radio frequency are received
Send out chip 3E, baseband processing chip 3F and micro-control unit (MCU) 3G.In actual implementation process, receiving end SAW filter is adopted
With FBF2185U30-P type SAW filters, originator SAW filter uses FBF1995U30-P type SAW filters.
Micro-control unit uses ARM chips STM32F103VET6TR.Power management chip uses LC1132.High-precision temperature compensating crystal oscillator is adopted
With TXM05F-C-HU-N@26M.Rf chip is internally integrated transmitting-receiving binary channels Up/Down Conversion device and two independent frequencies are comprehensive,
Effect is to complete the conversion between radiofrequency signal and intermediate-freuqncy signal, and in specific implementation process, rf chip can be used
MSR01A type rf chips.Baseband processing chip completes modulation /demodulation, satellite communication protocols stack translation function, interface conversion
Device uses MSC01A type baseband processing chips.Certainly, above-mentioned wave filter and chip can also use other to have identical function
Wave filter and chip.
In above-mentioned utility model embodiment, central processing unit by receiving end SAW filter, originator SAW filter, power supply
Managing chip, high-precision temperature compensating crystal oscillator, rf chip, baseband processing chip and micro-control unit comprehensive integration are at one eight
On layer 40mm × 50mm PCB, encapsulated with metallic shield, ultimately form 40mm × 50mm × 6mm module.
In the above-mentioned specific array element helical antenna of use S frequency ranges four, radio frequency amplifier includes low noise amplifier and power amplification
In the utility model embodiment of device, the effect of interface convertor is to complete the conversion between serial line interface and Ethernet interface,
, can parallel processing two-way serial signal, the same Ethernet interface all the way of multiplexing with dual serial interface.In specific implementation process
In, interface convertor can use USR-TCP232 type interface convertors, may also be certainly and use other quantity serial line interface and multiple
The interface convertor of Ethernet interface.
The effect of power supply changeover device is to provide D.C. regulated power supply for each component, inputs as+24V, is by transformation
Each assembly circuit provides operating voltage, in specific implementation process, can use 4NIC-TC75 type power modules.
It can be seen that, boat-carrying satellite mobile communication device disclosed in the utility model embodiment, it is to avoid arrangement indoor and outdoors
Cable cost during device in data processing and conversion, meanwhile, various boat-carrying mounting locations are adapted to, it is individually fixed to reduce
The cost of system.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or use the utility model.
A variety of modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (5)
1. a kind of boat-carrying satellite mobile communication device, it is characterised in that including the antenna for receiving/sending signal；For right
The radio frequency amplifier that the signal of the antenna reception/transmission is amplified；Radio frequency letter is obtained for handling the radio frequency amplifier
Number and handle the central processing unit of the serial signal that the radiofrequency signal is obtained；For the serial interface by the serial signal is transmitted
Mouth is converted into the interface convertor of Ethernet interface；For input voltage to be converted into the radio frequency amplifier, the centre
Manage device and the power supply changeover device of the corresponding operating voltage of the interface convertor；
Wherein, the interface convertor is USR-TCP232 type interface convertors.
2. boat-carrying satellite mobile communication device according to claim 1, it is characterised in that the radio frequency amplifier includes low
Make an uproar amplifier and power amplifier.
3. boat-carrying satellite mobile communication device according to claim 1, it is characterised in that the antenna include antenna surface,
Feed, three-axle steady platform, antenna control unit, GPS/BD dual mode satellites locating module and inertial navigation module.
4. boat-carrying satellite mobile communication device according to claim 1, it is characterised in that the interface convertor includes two
Road serial line interface and an Ethernet interface, wherein, the two-way serial line interface is multiplexed the Ethernet interface.
5. boat-carrying satellite mobile communication device according to claim 1, it is characterised in that the central processing unit includes receiving
Hold SAW filter, originator SAW filter, power management chip, high-precision temperature compensating crystal oscillator, rf chip, Base-Band Processing core
Piece and micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053528.4U CN206575417U (en) | 2017-01-17 | 2017-01-17 | A kind of boat-carrying satellite mobile communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053528.4U CN206575417U (en) | 2017-01-17 | 2017-01-17 | A kind of boat-carrying satellite mobile communication device |
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| Publication Number | Publication Date |
|---|---|
| CN206575417U true CN206575417U (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720053528.4U Active CN206575417U (en) | 2017-01-17 | 2017-01-17 | A kind of boat-carrying satellite mobile communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431584A (en) * | 2020-04-09 | 2020-07-17 | 中国电子科技集团公司第五十四研究所 | Satellite mobile communication terminal based on radio frequency transceiver chip module |
| CN113242079A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Terminal based on satellite broadband data communication |
-
2017
- 2017-01-17 CN CN201720053528.4U patent/CN206575417U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431584A (en) * | 2020-04-09 | 2020-07-17 | 中国电子科技集团公司第五十四研究所 | Satellite mobile communication terminal based on radio frequency transceiver chip module |
| CN111431584B (en) * | 2020-04-09 | 2022-05-27 | 中国电子科技集团公司第五十四研究所 | Satellite mobile communication terminal based on radio frequency transceiver chip module |
| CN113242079A (en) * | 2021-04-20 | 2021-08-10 | 中国电子科技集团公司第五十四研究所 | Terminal based on satellite broadband data communication |
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