CN2755626Y - Automatic scale and clock synchronizing system for maneuvering satellite station - Google Patents
Automatic scale and clock synchronizing system for maneuvering satellite station Download PDFInfo
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- CN2755626Y CN2755626Y CNU2004200586950U CN200420058695U CN2755626Y CN 2755626 Y CN2755626 Y CN 2755626Y CN U2004200586950 U CNU2004200586950 U CN U2004200586950U CN 200420058695 U CN200420058695 U CN 200420058695U CN 2755626 Y CN2755626 Y CN 2755626Y
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Abstract
The utility model relates to an automatic scale and clock synchronizing system for a maneuvering satellite station, which can be used for emergency communication sites and comprises a GPS receiving module, a data format processing and central processing unit, a codec converter which converts the latitude and longitude signals with fixed data formats into the signals which can be read by a satellite end station and can be used for calculating delaying synchronization signals, an ether information transceiver which is connected between the codec converter and the satellite end station, packs a parameter desired by calculating the delaying synchronization signal by conversion into one part of an information stream for the starting detection of the satellite and converts the packed information stream into an information stream of an IP data packet to be transferred to the satellite end station, and the satellite end station. When the maneuvering satellite station of the VSAT emergency communication is arranged under any environment, the utility model does not need to be under any other information communication method to finish the processes of the coordinate calibration of latitude and longitude between a network management center and a far end satellite station and the calibration of the synchronous clock information, and thus the problem of the necessary parameter setting in the installation of a VSAT satellite station is automatically realized.
Description
Technical field
The utility model is applied to the VSAT satellite communication field.
Background technology
The land station of the VSAT system of all TDM/TDMA systems must keep accurate the whole network clock synchronization with network management center in satellite communication, could guarantee that based on the system of TDM/TDMA all land stations of the whole network can operate as normal like this, and since the satellite ground station of diverse geographic location apart from the space length difference of geo-synchronous orbit satellite, wave beam arrives the required asynchronism(-nization) of satellite repeater, therefore produce the propagation delay time error, have only network management center to know that far-end land station specifically adorns the time delay error corrected parameter that just can calculate this station after the station location (longitude and latitude), thus round-off error; And the on-the-spot ICBM SHF satellite terminal in dress station could keep clock synchronization to make the satellite station operate as normal after also must importing this time delay error corrected parameter.Stand the exchange of these parameters for the fixing VSAT that uses can be by other multiple exchange waies (as phone, mobile phone, investigate longitude and latitude etc. in advance), but the difficulty of the motor driven satellite communication stations that began more and more uses in recent years being set up this information interchange is increasing, especially the emergency communication class business of disaster region, not only to frequently change site, motor-driven station, and also must set up communication port under many circumstances as first means of communication, it almost is impossible will setting up the VSAT satellite communication as first means of communication (because the global satellite mobile phone in area all can't be connected after a lot of calamity) under the condition of no any communication and information interchange supplementary means.
The utility model content
Motor driven satellite station auto-scaling described in the utility model and clock synchro system, the technical matters in the time of can solving motor driven TDM/TDMA satellite communication earth station automatically with network management center's maintenance clock synchronization.
Motor driven satellite station auto-scaling described in the utility model and clock synchro system comprise:
The GPS receiver module;
Longitude and latitude signal to the output of GPS receiver module carries out the unit of data layout processing and the central processing unit of system's control;
The longitude and latitude conversion of signals that will have a fixed data form becomes and can be read by satellite end station, and can be used for the encoding and decoding conversion device of calculation delay synchronizing signal;
Be connected between encoding and decoding conversion device and the satellite end station, the parameter that the calculation delay synchronizing information is required is packaged into the part that information flow is detected in the satellite start by conversion, the information flow that is converted to the IP packet is sent to the ether data collector at satellite end station;
Utilize the start detecting packets of information exchanged form of VSAT satellite system to realize auto-scaling and the synchronous satellite end station of clock.
Described a kind of motor driven satellite station auto-scaling and clock synchro system, the data layout processing unit is the serial data transceiver.
Described a kind of motor driven satellite station auto-scaling and clock synchro system are separated between scrambler and the GPS receiver module and are connected with buffer.
Described a kind of motor driven satellite station auto-scaling and clock synchro system, the IP address of native system are that the IP address of satellite station adds 1, and in the same network segment.
Advantage of the present utility model and positive effect are: can be under the situation without any other supplementary communication means, the VSAT satellite station is set up emergent scene as first means of communication write to each other, really play effect motor-driven and emergency communication use satellite link with the external world.Can be in time when the VSAT satellite station of any field condition fitting machine dynamic formula emergency communication, accurately, automatically and network management center set up clock synchronization, use this device and can realize fully that the motor driven satellite station sets up the emergency communication channel as first means of communication.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
Embodiment
The technical scheme that its technical matters that solves the utility model adopts is: at the scene at first the GPS receiver module in the use device record local longitude and latitude and an encoding and decoding conversion device being comprised with fixing data layout input the utility model system in, the parameter that the longitude and latitude data-switching is become can be used for the calculation delay synchronizing information in converter is read by satellite end station, and the content that is packaged into satellite link detecting packets of information mails to central station.Because all satellite stations can externally send one group of detecting information automatically after star is finished, if this group information spinner is used for system's networking application, the VSAT of central station and far-end station needs the good identical time delay error corrected parameter of input in advance under the normal condition, like this after central station is received detecting information via satellite link check with long-range VSAT satellite end station and confirm time delay error information, synchronous clock and set up the proper communication link.Adjust good synchronization delayed time information having used just can in packet, beam back after the parameter that can calculate synchronization delayed time is received by network management center behind the converter of the present utility model, thereby finish the automatic foundation of whole clock synchronization with far-end satellite station confirmation.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a schematic diagram of the present utility model.The utility model is a combination product, and it comprises two parts: GPS module and terminal server.Wherein the GPS module is selected GARMIN15L OEM plate for use, and terminal server is selected MOXA DE-311 or CanHigher NC-601A type for use.Comprise in the terminal server with a RS-232 serial line interface, be connected with the serial line interface of GPS module, the GPS module is by terminal server power supply power supply (referring to Fig. 1).The utility model comprises the GPS receiver module; Longitude and latitude signal to the output of GPS receiver module carries out the unit of data layout processing and the central processing unit of system's control; The longitude and latitude conversion of signals that will have a fixed data form becomes and can be read by satellite end station, and can be used for the encoding and decoding conversion device of calculation delay synchronizing signal; Be connected in the ether data collector between encoding and decoding conversion device and the satellite end station.
Data layout processing unit wherein is the serial data transceiver, is connected with buffer separating between scrambler and the GPS receiver module.
This device can be used on the motor driven satellite station auto-scaling and the clock synchro system at emergency communication scene, utilize the start detecting packets of information exchanged form realization auto-scaling and the clock of VSAT satellite system synchronous by information translation, make the motor driven satellite station can not rely on first communication port foundation that any out of Memory exchange way realizes any emergent scene.
Satellite station is set to the navigation pattern, satellite station is connected by Ethernet switch with this device, and be the IP cyclic address change of satellite station with the IP address setting of this device, connect the GPS receiving antenna to this device; Set up satellite antenna and aim at employed satellite, open all devices power supply, this device was through 1 to 8 minute initialization and position fixing process, and satellite station is automatic and network management center is synchronous, and sets up satellite communication link.
Operation instruction:
One, the configuration at mobile-satellite station
1.Telnet enter satellite station
2. input is opened the Move Mode of satellite station to issue orders:
save-ml
3. whether the Move Mode at verifying satellites station is opened:
pconf
The value of MaritimeEnabled should be 1
4. import the IP address and the mask of satellite station.This IP address and mask must be satellite station IP address allocated and masks for this reason in NMS:
setipaddr<ip?address><subnet?mask>
5. verify the IP address and the mask of input:
setipaddr
6. restart satellite station:
hw
7. in NMS, the latitude and the longitude of this satellite station is made as 0
Two, the setting of this device:
Integrated GPS module in this device.
Attention: the IP address that the IP address of this device is necessary for satellite station adds 1, and in the same network segment (default ip address of this device is 192.168.127.254/24).
1.Telnet advance this device
2. show: (1:ansi/vt100,2:vt52): 1 carriage return enters setup menu to Console terminal type
3. select ServerConfig, IP address, mask and gateway are set, ESC withdraws from
4. select OP_mode, operator scheme is selected TCP Server, selects Select for more setting, and TCPPort uses 3001, and ESC withdraws from
5. select Serialport, speed selects 4800, and None is selected in verification, and data bit selects 8, and position of rest selects 1, and Flow Control selects None, and Uart FIFO selects Disable, and ESC withdraws from
6. select Restart, restart this device
7.Telnet advance this device
8. select Monitor, confirm that the value of Rx Char Count is increasing
Annotate: other parameters except that the IP address have disposed to be finished, and generally need not change; Other parameter configuration in the satellite station are identical with the fixed station configuration.
During use the gps antenna cable is connected on this device, gps antenna is put into outdoor nothing blocks a day vacancy.Power up for the first time, GPS needs 45 seconds to 5 minutes initialization time.
Telnet enters satellite station, input command: gps, should be able to see local latitude and longitude value, and show that satellite station has got access to positional information from this device, need not do any change satellite station on the NMS of main website can be synchronous with main website.
Claims (4)
1, a kind of motor driven satellite station auto-scaling and clock synchro system is characterized in that it comprises:
The GPS receiver module;
Longitude and latitude signal to the output of GPS receiver module carries out the unit of data layout processing and the central processing unit of system's control;
The longitude and latitude conversion of signals that will have a fixed data form becomes and can be read by satellite end station, and can be used for the encoding and decoding conversion device of calculation delay synchronizing signal;
Be connected between encoding and decoding conversion device and the satellite end station, the parameter that the calculation delay synchronizing information is required is packaged into the part that information flow is detected in the satellite start by conversion, the information flow that is converted to the IP packet is sent to the ether data collector at satellite end station;
Utilize the start detecting packets of information exchanged form of VSAT satellite system to realize auto-scaling and the synchronous satellite end station of clock.
2, a kind of motor driven satellite station auto-scaling as claimed in claim 1 and clock synchro system is characterized in that the data layout processing unit is the serial data transceiver.
3, a kind of motor driven satellite station auto-scaling as claimed in claim 1 and clock synchro system is characterized in that separating between scrambler and the GPS receiver module and are connected with buffer.
4, a kind of motor driven satellite station auto-scaling as claimed in claim 1 and clock synchro system, the IP address that it is characterized in that native system is that the IP address of satellite station adds 1, and in the same network segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200586950U CN2755626Y (en) | 2004-12-16 | 2004-12-16 | Automatic scale and clock synchronizing system for maneuvering satellite station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200586950U CN2755626Y (en) | 2004-12-16 | 2004-12-16 | Automatic scale and clock synchronizing system for maneuvering satellite station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755626Y true CN2755626Y (en) | 2006-02-01 |
Family
ID=35929253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200586950U Expired - Fee Related CN2755626Y (en) | 2004-12-16 | 2004-12-16 | Automatic scale and clock synchronizing system for maneuvering satellite station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755626Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131421B (en) * | 2006-08-25 | 2011-12-28 | 佛山市顺德区顺达电脑厂有限公司 | Ephemeris data processing method |
| CN103125086A (en) * | 2010-09-29 | 2013-05-29 | 西门子公司 | Precise time synchronisation of network subscribers |
| CN105334728A (en) * | 2015-11-21 | 2016-02-17 | 广西南宁至简至凡科技咨询有限公司 | GPS based clock system for realizing high-precision synchronization of circuit system |
| CN109839648A (en) * | 2019-01-21 | 2019-06-04 | 中国电子科技集团公司第二十八研究所 | A kind of Beidou positioning device based on network transmission |
-
2004
- 2004-12-16 CN CNU2004200586950U patent/CN2755626Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131421B (en) * | 2006-08-25 | 2011-12-28 | 佛山市顺德区顺达电脑厂有限公司 | Ephemeris data processing method |
| CN103125086A (en) * | 2010-09-29 | 2013-05-29 | 西门子公司 | Precise time synchronisation of network subscribers |
| CN105334728A (en) * | 2015-11-21 | 2016-02-17 | 广西南宁至简至凡科技咨询有限公司 | GPS based clock system for realizing high-precision synchronization of circuit system |
| CN109839648A (en) * | 2019-01-21 | 2019-06-04 | 中国电子科技集团公司第二十八研究所 | A kind of Beidou positioning device based on network transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |