CN106657699A - Satellite communication system for remote working area - Google Patents
Satellite communication system for remote working area Download PDFInfo
- Publication number
- CN106657699A CN106657699A CN201610882341.5A CN201610882341A CN106657699A CN 106657699 A CN106657699 A CN 106657699A CN 201610882341 A CN201610882341 A CN 201610882341A CN 106657699 A CN106657699 A CN 106657699A
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- China
- Prior art keywords
- satellite
- electrically
- satellite communication
- signal
- communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0024—Services and arrangements where telephone services are combined with data services
- H04M7/0051—Services and arrangements where telephone services are combined with data services where the data service is a multimedia messaging service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention discloses a satellite communication system for a remote working area in the technical field of communication, which is characterized in that a central processing unit is connected with a satellite signal receiving system in an electric input manner, the satellite signal receiving system is connected with a satellite communication antenna in an electric input manner, and the central processing unit is connected with a satellite signal transmitting system in an electric output manner. The satellite communication device for a remote working area is reasonable in architecture design, convenient to carry and erect, wide in communication coverage area because a satellite communication network is adopted, capable of performing communication between any two points as long as in a coverage range of communication satellites, and not easy to be influenced by land disasters. The satellite communication system is flexible in networking, convenient in function expansion, and capable of expanding a multichannel voice service and other service functional units and supporting two-way transmission of video. In addition, the satellite communication system adopts a transmitting power automatic gain control technology, and can automatically adjust the transmitting signal intensity thereof according to the intensity of signals received by an opposite terminal, so that the communication quality of the device is ensured.
Description
Technical field
The present invention relates to communication technical field, specially a kind of satellite communication system for remote working region.
Background technology
The application of radio network technique is increasingly extensive, the radio network technique that last century the fifties grow up and
The wireless local area network technology that the eighties are set up gradually changes the transmitting carrier of network, and this causes the application of wireless network
Field expands rapidly, and current wireless network mainly has wireless wide area network (WWAN), WLAN (WLAN), wireless MAN
And private wireless network (WPAN) these four types (WMAN).Its application mainly has：Petroleum industry, financial industry, exhibition
With meeting, diet, traffic for tourism service, mobile office system, contest score system, MCA, storage controlling, goods yard pipe
Reason, technical finesse of factory etc., with the increasingly extensive use of radio network technique, wireless campus, wireless medical, wireless hotel
Structure have become reality.For enterprise, although setting up wireless network direct profit can not be brought to increase, or even
Construction cost can also be increased, but the unrivaled portability of wireless network greatly reduces the communications cost of enterprise.Also it is raising
The operating efficiency of enterprise provides condition.At present wireless network is applied primarily in daily life mobile phone wireless online, electricity
Being wirelessly transferred between brain wireless networking and communication apparatus.In contrast application of the wireless network in campus is then more wide
It is general, but coverage rate of the current wireless network in remote districts is but very low, and geographical position from far-off regions is more remote, wireless network
Network cannot be completely covered, and people's communication that this is resulted in remote districts is relatively difficult, therefore how to solve remote districts
Communication issue, is our problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of satellite communication system for remote working region, to solve above-mentioned background
The remote districts proposed in technology, wireless communication is weak, the problem with extraneous communication difficult.
For achieving the above object, the present invention provides following technical scheme：A kind of satellite communication for remote working region
System, including CPU, the CPU is electrically input into connection satellite signal receiving system, the satellite letter
Number reception system is electrically input into connection satellite communication antena, and the CPU electrically exports connection satellite-signal transmitting system
System, the satellite-signal emission system electrically exports connection satellite communication antena, and the central authorities go out unit and are electrically bi-directionally connected friendship
Change planes, the switch electrically exports connection Video Decoder, the Video Decoder electrically exports connection video display unit,
The switch is electrically input into connection video encoder, and the video encoder is electrically input into connection video access unit, described
Switch is electrically bi-directionally connected respectively other service functional units, computer, INTERNET NEs and voice gateways, institute's predicate
Sound gateway is electrically bi-directionally connected respectively facsimile machine and telephone set.
Preferably, the satellite signal receiving system includes demodulator, and the demodulator is electrically input into connection LNB down coversions
Amplifier, the LNB down coversions amplifier is electrically input into connection signal receiver.
Preferably, the satellite-signal emission system includes modulator, and the modulator electrically exports connection BUC up-conversions
Amplifier, the BUC up-conversions amplifier electrically exports connection signal projector.
Preferably, the computer is desktop computer or portable computer, and the telephone set is fixed type telephone.
Compared with prior art, the invention has the beneficial effects as follows：This kind is used for the satellite communication apparatus of remote working region,
Rationally, portable sets up convenient architecture design.Using satellite communication network, communication coverage is wide, as long as being covered in telecommunication satellite
In the range of lid, communication is can be carried out between any 2 points, be difficult to be affected by Land disaster.Device networking flexibility, function
Extension convenience, expansible multi-path voice business and other service functional units, and video transmitted in both directions is supported, and using transmitting
Automatic power gain control technology, the signal strength that can be received according to opposite end, adjust automatically its own transmission signal strength signal intensity, from
And ensure the communication quality of device.
Description of the drawings
Fig. 1 is present system theory diagram；
Fig. 2 is satellite signal receiving system theory diagram of the present invention；
Fig. 3 is satellite-signal emission system theory diagram of the present invention.
In figure：1 CPU, 2 satellite signal receiving systems, 21 demodulators, 22LNB down coversion amplifiers, 23 letters
Number receiver, 3 satellite communication antenas, 4 satellite-signal emission systems, 41 modulators, 42BUC up-conversion amplifiers, 43 signals are sent out
Emitter, 5 switches, 6 Video Decoders, 7 video display units, 8 video encoders, 9 video access units, 10 other business work(
Can unit, 11 computers, 12INTERNET NEs, 13 voice gateways, 14 facsimile machines, 15 telephone sets.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of satellite communication system for remote working region
System, including CPU 1, electrically input connects satellite signal receiving system 2, the satellite to the CPU 1
Electrically input connects satellite communication antena 3 to receiving system 2, and the CPU 1 electrically exports connection satellite-signal
Emission system 4, electrically output connects satellite communication antena 3 to the satellite-signal emission system 4, and it is electrical that the central authorities go out unit 1
Switch 5 is bi-directionally connected, electrically output connects Video Decoder 6 to the switch 5, and electrically output connects the Video Decoder 6
Video display unit 7 is connect, electrically input connects video encoder 8 to the switch 5, and electrically input connects the video encoder 8
Video access unit 9 is connect, the switch 5 is electrically bi-directionally connected respectively other service functional units 10, computer 11, INTERNET
NE 12 and voice gateways 13, institute's voice gateway 13 is electrically bi-directionally connected respectively facsimile machine 14 and telephone set 15.
Wherein, the satellite signal receiving system 2 includes demodulator 21, and demodulator 21 can convert analog signals into number
Word signal, electrically input connects LNB down coversions amplifier 22 to the demodulator 21, and LNB down coversions amplifier 22 can be by satellite
Signal changes wave band through amplification and down coversion, and the LNB down coversions amplifier 22 is electrically input into connection signal receiver 23,
The satellite-signal emission system 4 includes modulator 41, and modulator 41 can convert digital signals into analog signal, the tune
Electrically output connects BUC up-conversions amplifier 42 to device processed 41, and BUC up-conversions amplifier 42 can amplify signal, be easy to signal
Transmission, electrically output connects signal projector 43 to the BUC up-conversions amplifier 42, and the computer 11 is for desktop computer or just
Formula computer is taken, the telephone set 15 is fixed type telephone.
Operation principle：Signal receiver 23 receives the signal that satellite communication antena 3 spreads out of, and signal transmission is become under LNB
Audio amplifier 22, LNB down coversions amplifier 22 amplifies satellite-signal and down coversion, and after conversion wave band demodulator 21 is passed to,
Demodulator 21 converts analog signals into data signal and passes to CPU 1, and CPU 1 gives signal transmission
Corresponding signal transmission is given other service functional units 10, computer 11, Video Decoder 6 and voice by switch 5, switch 5
Gateway 13 carries out data receiver, and voice gateways 13 are communicated signal transmission to facsimile machine 14 and telephone set 15, video decoding
Device 6 receive vision signal after, by vision signal decoding pass to video display unit 7 for show reception image, work as needs
When video is returned, video information is received by signal transmission to video encoder 8 by video access unit 9, video encoder 8 will
By signal transmission to switch 5 after data encoding, switch 5 is by signal transmission to CPU 1, CPU 1
By signal transmission to modulator 41, the data-signal after coding is converted into analog signal and passes to BUC up-conversions by modulator 41
Amplifier 42, signal is amplified and is changed by BUC up-conversions amplifier 42 pass to after wave band signal projector 43, signal transmitting
By signal transmission to satellite communication antena 3, satellite communication antena 3 goes out signal transmission to device 43.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of satellite communication system for remote working region, including CPU (1), it is characterised in that：It is described
CPU (1) electrically input connection satellite signal receiving system (2), the satellite signal receiving system (2) is electrically defeated
Enter to connect satellite communication antena (3), the CPU (1) electrically output connection satellite-signal emission system (4) is described
Satellite-signal emission system (4) electrically output connection satellite communication antena (3), the central authorities go out unit (1) and are electrically bi-directionally connected
Switch (5), the switch (5) electrically output connection Video Decoder (6), electrically output connects the Video Decoder (6)
Connect video display unit (7), the switch (5) electrically input connection video encoder (8), video encoder (8) electricity
Property input connection video access unit (9), the switch (5) be electrically bi-directionally connected respectively other service functional units (10),
Computer (11), INTERNET NEs (12) and voice gateways (13), institute's voice gateway (13) is electrically bi-directionally connected respectively
Facsimile machine (14) and telephone set (15).
2. a kind of satellite communication system for remote working region according to claim 1, it is characterised in that：It is described to defend
Star receiving system (2) includes demodulator (21), and electrically input connects LNB down coversion amplifiers to the demodulator (21)
(22), the LNB down coversions amplifier (22) electrically input connection signal receiver (23).
3. a kind of satellite communication system for remote working region according to claim 1, it is characterised in that：It is described to defend
Star signal transmitting system (4) includes modulator (41), and electrically output connects BUC up-conversion amplifiers to the modulator (41)
(42), the BUC up-conversions amplifier (42) electrically output connection signal projector (43).
4. a kind of satellite communication system for remote working region according to claim 1, it is characterised in that：The electricity
Brain (11) is desktop computer or portable computer, and the telephone set (15) is fixed type telephone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882341.5A CN106657699A (en) | 2016-10-10 | 2016-10-10 | Satellite communication system for remote working area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882341.5A CN106657699A (en) | 2016-10-10 | 2016-10-10 | Satellite communication system for remote working area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106657699A true CN106657699A (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882341.5A Pending CN106657699A (en) | 2016-10-10 | 2016-10-10 | Satellite communication system for remote working area |
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| Country | Link |
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| CN (1) | CN106657699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596386A (en) * | 2020-05-15 | 2020-08-28 | 中能化江苏地质矿产设计研究院有限公司 | Geological disaster remote sensing monitoring system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068346A (en) * | 2007-05-29 | 2007-11-07 | 南京中网通信有限公司 | Non-far end ground network video and audio frequency signal satellite direct broadcasting device and method |
| CN104360648A (en) * | 2014-10-10 | 2015-02-18 | 国家电网公司 | Satellite communication equipment used for remote control of grid infrastructure projects |
| US20150381268A1 (en) * | 2011-12-16 | 2015-12-31 | Hughes Network Systems, Llc | System and method for efficient retransmission over a satellite network |
-
2016
- 2016-10-10 CN CN201610882341.5A patent/CN106657699A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068346A (en) * | 2007-05-29 | 2007-11-07 | 南京中网通信有限公司 | Non-far end ground network video and audio frequency signal satellite direct broadcasting device and method |
| US20150381268A1 (en) * | 2011-12-16 | 2015-12-31 | Hughes Network Systems, Llc | System and method for efficient retransmission over a satellite network |
| CN104360648A (en) * | 2014-10-10 | 2015-02-18 | 国家电网公司 | Satellite communication equipment used for remote control of grid infrastructure projects |
Non-Patent Citations (1)
| Title |
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| 牛千等: "VSAT应急通讯系统在西北艰险地区地质调查中的应用", 《地质力学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596386A (en) * | 2020-05-15 | 2020-08-28 | 中能化江苏地质矿产设计研究院有限公司 | Geological disaster remote sensing monitoring system and method |
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Application publication date: 20170510 |