CN101141543A - Device and method for facsimile machine to transmit data through satellite - Google Patents
Device and method for facsimile machine to transmit data through satellite Download PDFInfo
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- CN101141543A CN101141543A CNA2007101344868A CN200710134486A CN101141543A CN 101141543 A CN101141543 A CN 101141543A CN A2007101344868 A CNA2007101344868 A CN A2007101344868A CN 200710134486 A CN200710134486 A CN 200710134486A CN 101141543 A CN101141543 A CN 101141543A
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Abstract
The present invention relates to a data transmission device and method of a facsimile apparatus through a satellite, which comprises a main station unit, a satellite sending unit, and a data receiving unit. In the main station unit, a satellite receiving center is connected with a communication satellite through wireless transmission, a satellite receiving unit is connected with a VOIP gateway through network wire, and the VOIP gateway is connected with the telephone public network through telephone wire; in the satellite sending unit, a power amplifier is connected with a satellite modem through coaxial cable, the input terminal of the power amplifier is connected with an outdoor antenna, the satellite modem is connected with the VOIP gateway through network, and the VOIP gateway is connected with a first public network facsimile apparatus through telephone wire; in the data receiving unit, a second public network facsimile apparatus is connected with the telephone public network through telephone wire, wherein, the communication satellite is connected with the outdoor antenna in the satellite sending unit, and the main station is connected with the data receiving unit through a telephone signal wire.
Description
Technical field
The present invention relates to a kind of data transmission device and method, especially a kind of do not having under the situation of telephone public network, with remote data via satellite net pass the device and method at commanding in the rear center back.
Background technology
Because the many regional landline phone Internet resources of present stage China are not enough, can't support the facsimile transmission of data.Obviously existing terrestrial interconnection net can not support well that channel then can address the above problem just via satellite: distant-end node can be set up with the center and directly be connected, and large-capacity data directly transmission puts in place; Information uploadings such as the image in mutual, sound, literal, general landline phone net still can be supported well.The characteristics that have distance and covering face width based on satellite communication, it is vast in territory to be fit to very much China, underdeveloped remote districts of landline phone network particularly, These characteristics has remedied the cost problem of using the landline phone network on a large scale at a distance simultaneously, makes IP-based satellite transmits also can transmit all data simultaneously.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of facsimile machine apparatus for transmitting data and method via satellite, do not have at far-end under the situation of telephone network, the transfer of data of utilizing satellite to fax, the direct facsimile machine that is transferred to command centre via satellite.
Technical scheme: the present invention utilizes satellite-signal that data are sent to earth main website, and earth main website sends to the commanding in the rear center with this telephone signal again, and the rear fax receives.
Facsimile machine of the present invention apparatus for transmitting data via satellite comprises main station unit, satellite sending unit, Data Receiving unit; In main station unit, satellite receive center is connected with communications satellite by wireless transmission, and satellite receive center is connected with the VOIP gateway by netting twine, and the VOIP gateway is connected with telephone public network by telephone wire; In satellite sending unit, power amplifier is connected with satellite modem by coaxial cable, the input of power amplifier is connected with exterior aerial, and satellite modem is connected with the VOIP gateway by netting twine, and the VOIP gateway is connected with the first public network facsimile machine by telephone wire; In the Data Receiving unit, telephone public network is connected with the second public network facsimile machine by telephone wire; Wherein, communications satellite is connected with exterior aerial in the satellite sending unit by wireless transmission, telephone public network in the main station unit is connected with telephone public network in the Data Receiving unit by telephone wire, wherein satellite sending unit is carried out the satellite-signal transmission to main station unit, and main station unit links to each other with the Data Receiving unit by telephone wire.
The transmission data method that facsimile machine transmits data set via satellite adopts satellite transmits far-end facsimile signal, VOIP gateway by main station unit arrives telephone public network with transfer of data again, utilize the public network facsimile machine at Data Receiving center to carry out Data Receiving at last, concrete grammar is:
The first step: deployable antenna also makes antenna and satellite successful connection;
Second step: judge whether satellite signal quality can satisfy the transmission needs of video, audio frequency, under the 512K bandwidth situation, the passback quality reaches about 10dB, transmission quality can guarantee smoothness, and then signal quality is enough good, and the first public network facsimile machine by far-end carries out data acquisition, convert the signal that collects to digital signal through satellite modem, send on the satellite by electromagnetic mode, receiving center receives this signal via satellite, is forwarded to satellite receive center; If signal quality is good inadequately, then wait for operation;
The 3rd step: the first public network facsimile machine carries out remote dial, is undertaken by certain dialing sequence, hears that conversation voice gets final product; Otherwise wait for operation;
The 4th step: the Data Receiving center second public network facsimile machine provides the fax received signal after receiving that far-end is dialled the speech that cries;
The 5th step: the second public network facsimile machine at Data Receiving center carries out normal data and receives, until DTD.
The present invention communicates by letter via satellite, and adopts downlink channel direct construction network mode to reach the purpose of high speed data transfer.Data flow among the present invention, promptly the IP packet is converted to DVB-S via the main website end.
Standard (the standard of China Broadcast ﹠ Television trade information transmission, be Digital Video Broadcasting-Satellite, the digital broadcasting satellite system standard) data, after modulating, be sent to satellite with the electromagnetic wave form, by main station unit the electromagnetic wave denoising that receives is amplified then and be reduced into the initial IP packet, by VOIP the data session telephone public network is sent again.
Described main station unit comprises communications satellite, satellite receive center, VOIP gateway, telephone public network; Satellite receive center receives the Radio Satellite signal that sends from communications satellite, and satellite receive center is connected with netting twine with the VOIP gateway, and the VOIP gateway is connected with telephone public network by telephone wire.
Described satellite sending unit comprises the VOIP gateway, public network facsimile machine, satellite modem, exterior aerial, power amplifier; Back three is connected in series successively by the wire signal feeder line, and the VOIP gateway links to each other with modulator-demodulator by netting twine; The VOIP gateway is connected with facsimile machine by telephone wire.
Described Data Receiving unit comprises public network facsimile machine, telephone public network.
Beneficial effect: beneficial effect of the present invention specifically is included at far-end not to be had under the situation of telephone network, the transfer of data of utilizing satellite to fax, the direct facsimile machine that is transferred to command centre via satellite.The communication mode of world looped network makes phone and fax more complete, and is wider, freer.
Description of drawings
Fig. 1 is a structure drawing of device of the present invention.Wherein have: main station unit 1, communications satellite 11, satellite receive center 12, VOIP gateway 13, telephone public network 14; Satellite sending unit 2, exterior aerial 21, power amplifier 22, modulator-demodulator 23, VOIP gateway 24, the first public network facsimile machines 25; Data Receiving unit 3, telephone public network 31, the second public network facsimile machines 32.
Fig. 2 is the method flow diagram that facsimile machine of the present invention transmits data via satellite.
Embodiment:
This specific embodiment combination technology scheme and accompanying drawing describe in further detail practical application of the present invention.
As shown in Figure 1: this device comprises main station unit 1, satellite sending unit 2, Data Receiving unit 3; In main station unit 1, satellite receive center 12 is connected with communications satellite 11 by wireless transmission, and satellite receive center 12 is connected with VOIP gateway 13 by netting twine, and VOIP gateway 13 is connected with telephone public network 14 by telephone wire; In satellite sending unit 2, power amplifier 22 is connected with satellite modem 23 by coaxial cable, and the input of power amplifier 22 is connected with exterior aerial 21; In Data Receiving unit 3, telephone public network 31 is connected with the second public network facsimile machine 32 by telephone wire; Wherein, communications satellite 11 is connected with exterior aerial 21 in the satellite sending unit 2 by wireless transmission, and the telephone public network 14 in the main station unit 1 is connected with telephone public network 31 in the Data Receiving unit 3 by telephone wire.Wherein satellite sending unit 2 is carried out the satellite-signal transmission to main station unit 1, and main station unit 1 links to each other with Data Receiving unit 3 by telephone wire;
Practical application hardware environment of the present invention is as follows:
Main station unit 1 is specially: the A9780 main station unit of Alcatel company, adopt the electromagnetic wave of Ku wave band between this unit and the satellite, the agreement of abideing by DVB-S communicates, and uses the Internet between this unit and the message transmission center simultaneously, abides by ICP/IP protocol and communicates;
Communications satellite 11: No. four satellites in Asia;
The satellite-transmission gear that satellite receive center overlaps based on DVB-S at 12: one;
VOIP gateway 13: the high MG189 of section;
Satellite modem 21:EMS 4100;
1.2 meters antennas of exterior aerial 22:Andrew;
Power amplifier 23:zinwell 2W power amplifier;
Public network facsimile machine 25: Panasonic;
Its satellite transmission method is that transmitting terminal utilizes the VOIP gateway to utilize satellite transmission to arrive main station unit the data that receive, and main website utilizes the VOIP unit signal to be sent to the public network fax of appointment by telephone public network again.Make fax not have region, concrete grammar is:
The first step: deployable antenna also makes antenna and satellite successful connection;
Second step: judge whether satellite signal quality can satisfy the transmission needs of video, audio frequency, under the 512K bandwidth situation, the passback quality reaches about 10dB, transmission quality can guarantee smoothness, then signal quality is enough good, the first public network facsimile machine 25 by far-end carries out data acquisition, convert the signal that collects to digital signal through satellite modem 23, send on the satellite 11 by electromagnetic mode, receiving center 12 receives this signal via satellite, is forwarded to satellite receive center; If signal quality is good inadequately, then wait for operation;
The 3rd step: the first public network facsimile machine 25 carries out remote dial, is undertaken by certain dialing sequence, hears that conversation voice gets final product; Otherwise wait for operation;
The 4th step: the Data Receiving center second public network facsimile machine 32 provides the fax received signal after receiving that far-end is dialled the speech that cries;
The 5th step: the second public network facsimile machine 32 at Data Receiving center carries out normal data and receives, until DTD;
Claims (2)
1. facsimile machine apparatus for transmitting data and method via satellite is characterized in that this device comprises main station unit (1), satellite sending unit (2), Data Receiving unit (3); In main station unit (1), satellite receive center (12) is connected with communications satellite (11) by wireless transmission, and satellite receive center (12) is connected with VOIP gateway (13) by netting twine, and VOIP gateway (13) is connected with telephone public network (14) by telephone wire; In satellite sending unit (2), power amplifier (22) is connected with satellite modem (23) by coaxial cable, the input of power amplifier (22) is connected with exterior aerial (21), satellite modem (23) is connected with VOIP gateway (24) by netting twine, and VOIP gateway (24) is connected with the first public network facsimile machine (25) by telephone wire; In Data Receiving unit (3), telephone public network (31) is connected with the second public network facsimile machine (32) by telephone wire; Wherein, communications satellite (11) is connected with exterior aerial (21) in the satellite sending unit (2) by wireless transmission, telephone public network (14) in the main station unit (1) is connected with telephone public network (31) in Data Receiving unit (3) by telephone wire, wherein satellite sending unit (2) is carried out the satellite-signal transmission to main station unit (1), and main station unit (1) links to each other with Data Receiving unit (3) by telephone wire.
2. a facsimile machine as claimed in claim 1 transmits the transmission data method of data set via satellite, it is characterized in that adopting satellite transmits far-end facsimile signal, VOIP gateway by main station unit arrives telephone public network with transfer of data again, utilize the public network facsimile machine at Data Receiving center to carry out Data Receiving at last, concrete grammar is:
The first step: deployable antenna also makes antenna and satellite successful connection;
Second step: judge whether satellite signal quality can satisfy the transmission needs of video, audio frequency, under the 512K bandwidth situation, the passback quality reaches about 10dB, transmission quality can guarantee smoothness, then signal quality is enough good, the first public network facsimile machine (25) by far-end carries out data acquisition, convert the signal that collects to digital signal through satellite modem (23), send on the satellite (11) by electromagnetic mode, receiving center (12) receives this signal via satellite, is forwarded to satellite receive center; If signal quality is good inadequately, then wait for operation;
The 3rd step: the first public network facsimile machine (25) carries out remote dial, is undertaken by certain dialing sequence, hears that conversation voice gets final product; Otherwise wait for operation;
The 4th step: the Data Receiving center second public network facsimile machine (32) provides the fax received signal after receiving that far-end is dialled the speech that cries;
The 5th step: the second public network facsimile machine (32) at Data Receiving center carries out normal data and receives, until DTD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101344868A CN101141543A (en) | 2007-10-30 | 2007-10-30 | Device and method for facsimile machine to transmit data through satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101344868A CN101141543A (en) | 2007-10-30 | 2007-10-30 | Device and method for facsimile machine to transmit data through satellite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101141543A true CN101141543A (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101344868A Pending CN101141543A (en) | 2007-10-30 | 2007-10-30 | Device and method for facsimile machine to transmit data through satellite |
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| CN (1) | CN101141543A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970448A (en) * | 2012-11-01 | 2013-03-13 | 中国电子科技集团公司第五十四研究所 | Voice over internet protocol (VOIP) voice access method applicable to frequency division multiple access/demand assigned multiple access (FDMA/DAMA) satellite communication system |
-
2007
- 2007-10-30 CN CNA2007101344868A patent/CN101141543A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970448A (en) * | 2012-11-01 | 2013-03-13 | 中国电子科技集团公司第五十四研究所 | Voice over internet protocol (VOIP) voice access method applicable to frequency division multiple access/demand assigned multiple access (FDMA/DAMA) satellite communication system |
| CN102970448B (en) * | 2012-11-01 | 2014-10-15 | 中国电子科技集团公司第五十四研究所 | Voice over internet protocol (VOIP) voice access method applicable to frequency division multiple access/demand assigned multiple access (FDMA/DAMA) satellite communication system |
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