CN202455352U - Satellite mobile communication device based on satellite switching - Google Patents
Satellite mobile communication device based on satellite switching Download PDFInfo
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- CN202455352U CN202455352U CN2011205616717U CN201120561671U CN202455352U CN 202455352 U CN202455352 U CN 202455352U CN 2011205616717 U CN2011205616717 U CN 2011205616717U CN 201120561671 U CN201120561671 U CN 201120561671U CN 202455352 U CN202455352 U CN 202455352U
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Abstract
The utility model provides a satellite mobile communication device based on satellite switching, which comprises an uplink radio frequency module, a channel extraction module, a demodulation model, a decoding module, a satellite switching module, a coding module, a modulation module, a channel packing module and a downlink radio frequency module; and the satellite switching module is used for analyzing the terminal voice signaling, and judging whether the voice conversation needs a ground relay or not, if needs, the terminal data is transmitted to a ground station through a feeder circuit, and if not, a communication process is automatically triggered to carry out the direct satellite switching. The device provided by the utility model can support the satellite switching of the conversation between satellite terminals, the communication jumping transmission between the satellite terminals is realized, and the communication process does not involve the ground station.
Description
Technical field
The utility model relates to the satellite mobile communication field, relates in particular to a kind of based on the cocommutative satellite mobile communication device of star.
Background technology
Existing satellite mobile communication technology is divided on ground forwarding and the star and exchanges dual mode.The mode of ground forwarding is fairly simple, but because the communication between the ICBM SHF satellite terminal need be transmitted by ground, has increased the jumping figure of communication, so communication delay is bigger; The cocommutative mode of star is that terminal signaling is resolved; Carry out directly exchange on the star according to the session needs; This mode can realize that a redirect of communicating by letter between the ICBM SHF satellite terminal sends out, and does not need ground to carry out relaying, though the complexity of system increases to some extent; But improved the flexibility of system greatly, reduced communication delay.
Switching technology is just simply resolved signal by ground station on the present star; To need the signal of terrestrial repetition to carry out accurate of relaying on the one hand; Controlling a redirect that realizes medium through the observing and controlling signaling on the other hand sends out; The decision entity that one redirect is sent out is still in ground station, and whole communication process still need rely on ground station.
The utility model content
In order to overcome the shortcoming of switching technology on the present star; The utility model provides a kind ofly based on the cocommutative satellite mobile communication device of star, this device comprises Switching Module, coding module, modulation module, combining channel module and downlink radio frequency module on up radio-frequency module, channel extraction module, demodulation module, decoder module, the star; Up radio-frequency module is responsible for receiving upward signal, and the input channel extraction module; The channel extraction module is responsible for from said upward signal, extracting terminal signaling, and the input demodulation module; Demodulation module is responsible for terminal signaling is carried out demodulation, and the input decoder module; Decoder module is responsible for the terminal signaling after the demodulation is decoded, and obtains terminal data and terminal signaling, and Switching Module on the input star; Switching Module is responsible for the terminal voice signaling is resolved on the star, judges whether voice conversation needs terrestrial repetition, and relaying then is transmitted to ground station with terminal data through feeder line if desired, otherwise triggers communication process automatically, carries out directly exchange on the star; Coding module is responsible for the terminal data that will send is encoded, and the input modulation module; Modulation module is responsible for the terminal signaling behind the coding is modulated, and input signal merges module; The combining channel module is responsible for the terminal signaling after the modulation is merged to downstream signal, and input downlink radio frequency module; The downlink radio frequency module is responsible for sending downstream signal.
Further, Switching Module also is responsible for said terminal signaling is carried out adaptive conversion on the star; The terminal short signaling is resolved, judge whether the terminal short business needs terrestrial repetition; The terminal data traffic signaling is resolved, judge whether the terminal data business needs terrestrial repetition.
The technical scheme that the utility model provides can be supported to exchange on the star of session between the ICBM SHF satellite terminal, realize that a redirect of communicating by letter between the ICBM SHF satellite terminal sends out, and communication process does not need ground station to participate in.
Description of drawings
Fig. 1 is the satellite mobile communication structure drawing of device of the utility model embodiment one;
Fig. 2 is the network structure of the basic satellite communication system of the utility model embodiment two employings;
Fig. 3 is the ICBM SHF satellite terminal register flow path sketch map of the utility model embodiment two;
Fig. 4 is the basic call flow sketch map of the satellite of the utility model embodiment two.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done detailed explanation.
Embodiment one
Present embodiment has adopted a kind of satellite mobile communication device; Its structural group prejudice Fig. 1 comprises Switching Module, coding module, modulation module, combining channel module, downlink radio frequency module on up radio-frequency module, channel extraction module, demodulation module, decoder module, the star.
Up radio-frequency module is responsible for receiving upward signal, and the input channel extraction module; The channel extraction module is responsible for from said upward signal, extracting terminal signaling, and the input demodulation module; Demodulation module is responsible for terminal signaling is carried out demodulation, and the input decoder module; Decoder module is responsible for the terminal signaling after the demodulation is decoded, and obtains terminal data and terminal signaling, and Switching Module on the input star; Switching Module is responsible for the terminal voice signaling is resolved on the star, judges whether voice conversation needs terrestrial repetition, and relaying then is transmitted to ground station with terminal data through feeder line if desired, otherwise triggers communication process automatically, carries out directly exchange on the star; Coding module is responsible for the terminal data that will send is encoded, and the input modulation module; Modulation module is responsible for the terminal signaling behind the coding is modulated, and input channel merges module; The combining channel module is responsible for the terminal signaling after the modulation is merged to downstream signal, and input downlink radio frequency module; The downlink radio frequency module is responsible for sending downstream signal.
Switching Module mainly is to have realized 3 layer protocol processing capacities on the present embodiment culminant star, is responsible for the various signalings of processing terminal, comprises OAM, signalings such as session, the mobile management of support terminal, basic service flow process.Be to reduce complexity, processing module can also be simplified adaptively to the signaling of ground communication network on the star, is used to support basic signaling to resolve and conversion.
In practical application, Switching Module can also like short message service, data service etc., all can be realized exchanging on these professional stars based on other new service processing function of protocol extension on the star of present embodiment.
Embodiment two
The utility model specific embodiment adopts basic satellite communication system as shown in Figure 2, is made up of satellite, ICBM SHF satellite terminal, gateway station and ground core network.Gateway station equipment is the ground communication network interface, and the ICBM SHF satellite terminal communication of network (PSTN, GSM etc.) earthward carries out relaying by gateway station.Communication between the ICBM SHF satellite terminal is undertaken exchanging on the star by the satellite mobile communication device.Introduce the register flow path and the call flow of the ICBM SHF satellite terminal of present embodiment below.
(1) ICBM SHF satellite terminal registration/cancellation
Registration/the logout flow path of ICBM SHF satellite terminal is seen Fig. 3, and its step is specially:
Step a: after the ICBM SHF satellite terminal start, send login request message;
Step b: the satellite mobile communication device is received login request message; (the satellite mobile communication device is safeguarded the list information at current register terminal to the ID of record ICBM SHF satellite terminal; Be used for the addressing at terminal); Then through feeding link with register command earthward gateway transmit, gateway station is sent to ground core network with this signaling;
Step c: authorizing procedure is optional, and the satellite mobile communication device is transmitted authentication message, does not control;
Steps d: gateway station returns registration reply message, and carries the service attribute data, and the satellite mobile communication device is resolved registration reply message, and preserves relevant business datum, transmits registration reply message then and gives ICBM SHF satellite terminal, and register flow path is accomplished.
During terminal log-down, the relevant terminal data of satellite mobile communication device deletion.
(2) ICBM SHF satellite terminal is conversed basically
The basic call flow of ICBM SHF satellite terminal is seen Fig. 4, and its step is specially:
Step 1: after the link establishment of eating dishes without rice or wine, ICBM SHF satellite terminal is initiated call request, sends setup requests Setup message;
Step 2: after the satellite mobile communication device is received message; The resolving called number judges whether the terminal voice conversation needs terrestrial repetition, if called number is ground network (PSTN; PLMN etc.) number section; This signaling of gateway forwards earthward then, subsequent session data are carried out link and are transmitted, and no longer participate in session control; Called number also belongs to the ICBM SHF satellite terminal section in the present embodiment, and then this session belongs between the ICBM SHF satellite terminal and communicates by letter, and can carry out exchanging on the star, and the satellite mobile communication device will be inquired about the current active terminal data, initiate paging then;
Step 3: after called ICBM SHF satellite terminal is received beep-page message, set up the link of eating dishes without rice or wine, send page response;
Step 4: the satellite mobile communication device is received the paging terminal response, sends call setup response Setup Ack message to the caller ICBM SHF satellite terminal;
Step 5: dialed terminal bell, send Alerting message, calling terminal is received after the message from trend user playing RBT;
Step 6: terminal called is answered session, sends conversation and sets up Connect message, and the satellite mobile communication device is transmitted this message;
Step 7: calling terminal returns conversation and sets up response ConnectAck message, gets into conversation, and the satellite mobile communication device carries out transparent forwarding to speech data;
Step 8: calling subscriber's on-hook, the caller ICBM SHF satellite terminal sends the call clearing request, and the satellite mobile communication device is transmitted message and is given callee side;
Step 9: terminal called returns the call clearing response message, removes the link of eating dishes without rice or wine.
In the step 2 of present embodiment, if relate to business such as short message, data, processing mode and voice in like manner, the satellite mobile communication device need judge equally whether these business need terrestrial repetition, does subsequent treatment again.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (1)
1. one kind based on the cocommutative satellite mobile communication device of star; It is characterized in that; Said device comprises Switching Module, coding module, modulation module, combining channel module, downlink radio frequency module on up radio-frequency module, channel extraction module, demodulation module, decoder module, the star
Up radio-frequency module is responsible for receiving upward signal, and the input channel extraction module;
The channel extraction module is responsible for from said upward signal, extracting terminal signaling, and the input demodulation module;
Demodulation module is responsible for terminal signaling is carried out demodulation, and the input decoder module;
Decoder module is responsible for the terminal signaling after the demodulation is decoded, and obtains terminal data and terminal signaling, and Switching Module on the input star;
Switching Module is responsible for the terminal voice signaling is resolved on the star, judges whether voice conversation needs terrestrial repetition, and relaying then is transmitted to ground station with terminal data through feeder line if desired, otherwise triggers communication process automatically, carries out directly exchange on the star;
Coding module is responsible for the terminal data that will send is encoded, and the input modulation module;
Modulation module is responsible for the terminal signaling behind the coding is modulated, and input channel merges module;
The combining channel module is responsible for the terminal signaling after the modulation is merged to downstream signal, and input downlink radio frequency module;
The downlink radio frequency module is responsible for sending downstream signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205616717U CN202455352U (en) | 2011-12-29 | 2011-12-29 | Satellite mobile communication device based on satellite switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205616717U CN202455352U (en) | 2011-12-29 | 2011-12-29 | Satellite mobile communication device based on satellite switching |
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| Publication Number | Publication Date |
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| CN202455352U true CN202455352U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205616717U Withdrawn - After Issue CN202455352U (en) | 2011-12-29 | 2011-12-29 | Satellite mobile communication device based on satellite switching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188010A (en) * | 2011-12-29 | 2013-07-03 | 北京信威通信技术股份有限公司 | Satellite mobile communication method and satellite mobile communication device based on satellite switch |
| CN104218986A (en) * | 2013-06-04 | 2014-12-17 | 北京信威通信技术股份有限公司 | Method and device for implementing satellite mobile communication group calling service |
| CN109818667A (en) * | 2018-12-26 | 2019-05-28 | 中国电子科技集团公司第二十研究所 | It is a kind of based on star upper signal channel exchange remote equipment enter network control method |
-
2011
- 2011-12-29 CN CN2011205616717U patent/CN202455352U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188010A (en) * | 2011-12-29 | 2013-07-03 | 北京信威通信技术股份有限公司 | Satellite mobile communication method and satellite mobile communication device based on satellite switch |
| CN103188010B (en) * | 2011-12-29 | 2016-09-28 | 北京信威通信技术股份有限公司 | A kind of satellite mobile communication method based on Onboard switching and device |
| CN104218986A (en) * | 2013-06-04 | 2014-12-17 | 北京信威通信技术股份有限公司 | Method and device for implementing satellite mobile communication group calling service |
| CN104218986B (en) * | 2013-06-04 | 2017-11-03 | 北京信威通信技术股份有限公司 | The implementation method and device of a kind of satellite mobile communication group-calling service |
| CN109818667A (en) * | 2018-12-26 | 2019-05-28 | 中国电子科技集团公司第二十研究所 | It is a kind of based on star upper signal channel exchange remote equipment enter network control method |
| CN109818667B (en) * | 2018-12-26 | 2021-05-04 | 中国电子科技集团公司第二十研究所 | Remote equipment network access control method based on-satellite channel exchange |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120926 Effective date of abandoning: 20160928 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |