On the Inmarsat mobile satellite communication technology
With the International Maritime Satellite Organization (INternational MARitime SATellite organization; Inmarsat) in late 2003 by the signing of the Declaration, the global voice communications and digital information will be expected to upgrade to be delivered by satellite. The cooperation between the two means will be entering an era of living in vessels in the open sea, in the 30000? High-flying aircraft, or even any one of the world's human feet can tread upon the environment can be voice communications era. The future, by the International Maritime Satellite Organization-led broadband global area network system (broadband global area network system; BGAN) In addition to the European Space Agency's technical support, but also to the European Space Agency on the BGAN system, 50% of the funds sponsorship.
With the country's economic development, information communication technology has become to improve the management level, and enhance the efficiency of the basic conditions for effective face of China's vast economic imbalance caused by the small total area covered by regular communications, service area large differences affected by natural conditions a big problem, Mobile Satellite Communications With comprehensive coverage, the service was no difference, stable, and reliable communication quality advantages of a conventional communications network available to complement and extend the powerful, including Inmarsat mobile satellite communication system in the 20 years of operations for its reliable, safe, technologically advanced , cost-effective and reasonable global mobile satellite communications industry recognized best choice.
First of all, reliable communication is a basic requirement. Inmarsat Mobile Satellite Communications as IMO (International Maritime Organisation) designated for maritime distress and safety call for help in the communication system, factors known for its stable and reliable communication. The entire communications network to rely on five-synchronous orbit satellites, and is equipped with a backup satellite, to ensure 365 days, 24 hours / day business without disruption. Second, the security requirements. Inmarsat mobile satellite as an international business and public safety communications systems to provide users with reliable and transparent transmission channel, on the one hand to protect the smooth transmission of various information, on the other hand to meet the needs of the user encryption to ensure the freedom of uninterrupted communication. Inmarsat mobile satellite communications business continued to expand the basic reason is that its technology R & D achievement. It is always tracking new technologies combined with industry's need for dynamic new products and services, including Telecommunications Transplant operations, and the integration of 3G, broadband and other aspects of the business meeting to go in the mobile satellite communications industry, the first end. Furthermore, the system according to the amount of talk time or communications billing, no monthly fees, one-way charges, all charges fully in accordance with the level of peak transport industry operators vary the amount of "use more support and less with less support, do not expend "great to meet the economic emergency communication requirements.
Beijing Marine Communication and Navigation for Inmarsat in China's sole legitimate operators, construction and operation and maintenance only ground station in China – Beijing station, for up to 15 years of service to maintain the system's advanced technology, R & D value-added services to promote the Inmarsat mobile satellite system to become the largest user base in China, using the industry's most extensive, most system application integration for mobile satellite communication network, in the following areas have achieved good results.
First, the use of satellite Inmarsat-C System Broadcasting And navigation, telemetry and data acquisition, vehicle fleet management, remote tracking and Monitor Business
Inmarsat-C system is a pure data communication system, in addition to ordinary telex, data, text, fax, communication and positioning system, according to C double-entry feature, water conservancy, energy, transportation Logistics , Ocean transportation, fisheries, marine and weather information research industry to develop a variety of application integration system: With a good water Rain Fade telemetry capabilities necessary to develop CSCADA data acquisition systems used in water industry, widely used in measuring and reporting aspects of rivers, lakes, water levels a comprehensive alternative to the artificial water level measurements, be the first line of digital water products; used in the energy sector on oil, gas Pipeline Monitoring the situation to realize the whole network of regular inspections, traffic control, to ensure security along the state and Automation Control; used in the exploration industry to realize the danger zone no man's land and extract data at any time, to facilitate the data analysis made to ensure accuracy, but also to ensure the exploration staff Personal safety ; Developed CT rack moving target monitoring system, combined with electronic maps, GPS , GIS (geographic information system) capabilities, used in the logistics industry, to achieve seamless worldwide mobile communications and surveillance targeting the management teams of the business on the one hand to ensure contact with the company to help Drive To locate, understand the navigation information, the other companies can also extract the team at any time by time or location and vehicle trajectory, vehicle fleets to monitor the situation, the vehicle alarm or control vehicle, to ensure vehicle safety, the company can provide goods to customers case information inquiry services, and enhance grade; used in ocean shipping industry, has a fleet of distress and safety information systems and the necessary equipment for counter-terrorism system, but also can be fleet management and monitoring; using the integrated application systems and electronic charts in fisheries management department, on the implementation of monitoring fishing vessels fishing in the region, but also can make use of enhanced EGC (data broadcasting) functions released fish, ocean currents, weather information bulletin, to help fishermen raise income, the effective protection of life and safety; meteorological and marine surveys departments are using Inmarsat-C system and the corresponding analysis device integration, Data Collection and extraction to achieve.
Depending on company / sector circumstances, Beijing Marine Communication and Navigation Company to provide different solutions to achieve these system functions: for government departments, large vehicle fleet company monitoring center in the headquarters building, the electronic charts / maps and data monitoring information integration, and the Beijing ground station network line or Internet connection, providing proprietary software, instructions and bulletins issued, will feedback directly reflected in the electronic map, and appropriate (such as leaving the designated area, the direction is wrong, etc.) options (warning, alarm, control); also use MCN development CMail, C-SMS, C-IGW business of Email, Mobile SMS, phone fax forwarding designated to receive information on free way, etc.; for data acquisition, remote control software to increase the energy sector and provide data analysis device interface, can control the system and extract data analysis; and for small companies, Beijing Marine provide communication and navigation electronic map of the site has a vector, directly into the site
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