New modes, business forms and economy of the BDS applications are emerging, profoundly changing people's production and life. The BDS-based navigation services have been widely adopted by e-commerce enterprises, manufacturers of intelligent mobile terminals and location-based services providers, which have extensively entered into the fields of mass consumption, share economies, and those related to people's livelihood.
Since provision of services, BDS has been widely used in transportation, agriculture, forestry, fisheries, hydrological monitoring, meteorological forecasting, communication, power dispatching, disaster relief, public security and other fields, and has been serving national significant infrastructures, thereby resulting in remarkable economic and social benefits. As a temporal-spatial infrastructure of national significance, the BDS provides all-time, all-weather and high-accuracy positioning, navigation and timing services to global users. The initial motivation for the satellite system was for the military applications, but it has now progressed to more extensive civil applications such as the d isaster warning and emergency response, Land transportation, Mapping & surveying, Monitoring of the environment, Natural resources management, GNSS is used to control the computer networks, air traffic, power grids and more.The BeiDou Navigation Satellite System (BDS) has been independently constructed and operated by China with an eye on the needs of the country’s national security and economic and social development.
Global Navigation Satellite Systems will allow a GNSS user to utilize one instrument to receive signals from multiple systems of satellites, This will offer additional data in urban & mountainous regions, it offers greater accuracy in timing or position measurements, GNSS is a formidable instrument for time-stamping financial transactions, for conducting scientific research in meteorology, troposphere and geodesy. Satellite navigation can be used for providing position, navigation or for tracking the position of something fitted with the receiver (satellite tracking), The signals enable the electronic receiver to calculate the current local time to high precision, which allows time synchronization, Satellite navigation operate on any telephonic or internet reception, though these technologies can enhance the usefulness of the positioning information generated. The satellite positioning has become an essential service, Just think what would happen if GNSS signals were suddenly switched off, Truck and taxi drivers, ship and aircraft crews and millions of people around the world would suddenly be lost, financial and communication activities. Satellite navigation improves the traffic flow, vehicle efficiency, guides users, and it helps track parcels and shipments by providing added value logistic solutions, It can facilitate the civil protection operations in harsh environments, It can speed up the rescue operations and it offer critical tools to coastguard and border control authorities. The performance can be improved by regional satellite-based augmentation systems (SBAS), such as the European Geostationary Navigation Overlay Service (EGNOS), EGNOS improves the accuracy and reliability of GPS information by correcting signal measurement errors and by providing the information about the integrity of its signals.īy using this information, any receiver on or near the earth’s surface can calculate the exact position of the transmitting satellite and the distance between it and the receiver, Coordinating the current signal data from four or more satellites enables the receiver to determine its position.
Global Navigation Satellite Systems are used in all forms of transportation: space stations, aviation, maritime, rail, road & mass transit, Positioning, navigation and timing (PNT) play the critical role in telecommunications, land surveying, law enforcement, precision agriculture, mining, finance & scientific research.
GNSS is used to pinpoint the geographic location of the user’s receiver anywhere in the world, It has a high accuracy, It can function without interruption, It has the capacity to provide a threshold of confidence & in the event of an anomaly in the positioning data, an alarm. The satellite navigation or satnav system is the system that offers autonomous geo-spatial positioning, It helps small electronic receivers to determine their location (longitude, latitude, and altitude/elevation) to high precision using time signals transmitted along a line of sight by radio from the satellites.
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