CN1725877A - Three-mode switch technology of mobile phone short message and data system of inmarsat-D+ Inmarsat-D+ system and GSM and CDMA - Google Patents
Three-mode switch technology of mobile phone short message and data system of inmarsat-D+ Inmarsat-D+ system and GSM and CDMA Download PDFInfo
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- CN1725877A CN1725877A CN 200410069377 CN200410069377A CN1725877A CN 1725877 A CN1725877 A CN 1725877A CN 200410069377 CN200410069377 CN 200410069377 CN 200410069377 A CN200410069377 A CN 200410069377A CN 1725877 A CN1725877 A CN 1725877A
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- inmarsat
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Abstract
A switching over technique of three modes can realize communication mode of interflow for mobile phone short message and data between Inmarsat - D + system and GSM as well as CDMA to let Inmarsat - D + satellite terminal switch over freely in range covered by GSM and CDMA and to let it switch over automatically to Inmarsat - D + system at place beyond range covered by GSM and CDMA and simultaneously seamless cover for short message cover range of GSM and CDMA can be achieved through Inmarsat - D + system .
Description
Technical field
The invention belongs to communication technical field, disclose the SMS of a kind of Inmarsat-D+ system and GSM and CDMA and three cross cuttings of data system and changed technology, the SMS of Inmarsat-D+ system and GSM and CDMA and the communication mode of data interchange have been realized, the D+ ICBM SHF satellite terminal is switched in GSM and cdma system coverage freely, outside GSM and cdma system coverage, automatically switched to the Inmarsat-D+ system.
Background technology
The Inmarsat-D+ system is based on the numeric messaging system of the seamless covering of marine satellite, support the bidirectional information and the data, services of low rate, the Inmarsat-D+ ICBM SHF satellite terminal is passed through terminal adapter, the transducer that can connect various interface, sensor acquisition to data can pass to control centre in real time, realize remote data acquisition and unattended operation data acquisition, the built-in GPS receiver of Inmarsat-D+ ICBM SHF satellite terminal can be reported its residing position at any time.But because Inmarsat-D+ system user group is highly professional, its powerful advantages is difficult to popularize, and range of application is restricted.And on the other hand, along with GSM and perfect day by day network advantage and the digitizing technique advantage of cdma communication system network, make the SMS of Inmarsat-D+ system and GSM and CDMA and the communication mode of data interchange become possibility, can form mutual supplement with each other's advantages, both can reduce the operation cost of Inmarsat-D+ system, reduced the user's communications expense, again the customer group of Inmarsat-D+ system and GSM and CDMA is joined together, make Inmarsat-D+ system applies scope more extensive, utilize more fully with universal; Simultaneously, the note coverage of GSM and CDMA is realized seamless covering by the Inmarsat-D+ system, and increased a new function, also enlarged application.
Summary of the invention
The three mould switch technologies that the purpose of this invention is to provide SMS and the data system of a kind of Inmarsat-D+ system and GSM and CDMA, adopt the Inmarsat-D+ system by Inmarsat-D+ ground control centre and GSM and cdma system networking, the Inmarsat-D+ system is combined with SMS and the data system of GSM and CDMA, can receive and dispatch note and data mutually, realize mutual supplement with each other's advantages.By the following examples this invention is described further.
Specific embodiment
This technology implementation example is to realize like this, adopt the Inmarsat-D+ system by D+ ground control centre and GSM and cdma system networking, both there were through transmission route and corresponding interface equipment in the Inmarsat-D+ system by Inmarsat-D+ system ground control centre and GSM and cdma system, made the Inmarsat-D+ system realize resource-sharing by Inmarsat-D+ ground control centre and GSM and cdma system in allowed band; On the other hand, each one of module can inserting SIM card and UIM card is installed in the Inmarsat-D+ ICBM SHF satellite terminal, make telephone terminal and the shared a set of equipment of Inmarsat-D+ ICBM SHF satellite terminal of common GSM and cdma system, portion adopts double-channel and level comparison techniques received signal intensity is carried out automatically relatively or to select within it, by setting a threshold value, the automatic switchover that realizes GSM and cdma system and Inmarsat-D+ system with communicate by letter, also can in GSM and cdma system and Inmarsat-D+ system, select by manual intervention.When intercoming mutually by GSM or cdma system network between the D+ ICBM SHF satellite terminal in GSM or cdma system coverage, the D+ ICBM SHF satellite terminal also can intercom mutually with the telephone terminal of GSM or cdma system; When D+ ICBM SHF satellite terminal beyond GSM or cdma system coverage can be by satellite, Inmarsat-D+ system ground control centre, GSM or the cdma system of Inmarsat-D+ system, also can intercom mutually with the telephone terminal of other D+ ICBM SHF satellite terminal and GSM or cdma system, to guarantee that its note is transmitted and the continuity of data communication, the seamless link that really reaches network covers.
Claims (4)
1, three cross cuttings of the SMS of Inmarsat-D+ system and GSM and CDMA and data system change technology, comprise Inmarsat-D+ system, D+ ICBM SHF satellite terminal, GSM﹠amp; Parts such as the SMS of CDMA and data system.It is characterized in that the D+ terminal can be received and dispatched SMS and the data system of Inmarsat-D+ system and GSM and CDMA;
2, three cross cuttings of the SMS of Inmarsat-D+ system as claimed in claim 1 and GSM and CDMA and data system change technology, it is characterized in that, the Inmarsat-D+ system terminal is inner to adopt channel and level comparison techniques received signal intensity is carried out automatically relatively or to select, by setting a threshold value, the automatic switchover that realizes GSM and cdma system and Inmarsat-D+ system with communicate by letter, also can in GSM and cdma system and Inmarsat-D+ system, select by manual intervention;
3, three cross cuttings of the SMS of Inmarsat-D+ system as claimed in claim 1 and GSM and CDMA and data system change technology, it is characterized in that the SMS of Inmarsat-D+ system and GSM and CDMA and data system should have the interface of interconnected route and response;
4, three cross cuttings of the SMS of Inmarsat-D+ system as claimed in claim 1 and GSM and CDMA and data system change technology, it is characterized in that, the D+ system terminal has transmitting-receiving Inmarsat-D+ system and GSM﹠amp; The note of three kinds of forms of CDMA and the function of data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410069377 CN1725877A (en) | 2004-07-21 | 2004-07-21 | Three-mode switch technology of mobile phone short message and data system of inmarsat-D+ Inmarsat-D+ system and GSM and CDMA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410069377 CN1725877A (en) | 2004-07-21 | 2004-07-21 | Three-mode switch technology of mobile phone short message and data system of inmarsat-D+ Inmarsat-D+ system and GSM and CDMA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1725877A true CN1725877A (en) | 2006-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410069377 Pending CN1725877A (en) | 2004-07-21 | 2004-07-21 | Three-mode switch technology of mobile phone short message and data system of inmarsat-D+ Inmarsat-D+ system and GSM and CDMA |
Country Status (1)
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| CN (1) | CN1725877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469880A (en) * | 2014-11-14 | 2015-03-25 | 北京国交信通科技发展公司 | Satellite route judgment method and system |
-
2004
- 2004-07-21 CN CN 200410069377 patent/CN1725877A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469880A (en) * | 2014-11-14 | 2015-03-25 | 北京国交信通科技发展公司 | Satellite route judgment method and system |
| CN104469880B (en) * | 2014-11-14 | 2018-07-13 | 北京国交信通科技发展有限公司 | A kind of Satellite Road is by decision method and system |
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| DD01 | Delivery of document by public notice |
Addressee: You Yunzhen Document name: Written notice of preliminary examination of application for patent for invention Addressee: You Yunzhen Document name: Notice of conformity |
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| C06 | Publication | ||
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: You Yunzhen Document name: Notification before expiration of term |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |