Telecommunications Sensors

Download GPS, GLONASS, Galileo, and BeiDou for Mobile Devices: From by Dr Ivan G. Petrovski PDF

Posted On April 11, 2017 at 1:30 pm by / Comments Off on Download GPS, GLONASS, Galileo, and BeiDou for Mobile Devices: From by Dr Ivan G. Petrovski PDF

By Dr Ivan G. Petrovski

Wake up to hurry on all current GNSS with this sensible consultant. masking every thing from GPS, GLONASS, Galileo, and BeiDou orbits and indications to multi-GNSS receiver layout, AGPS, RTK, and VRS, you are going to comprehend the entire international variety of cellular positioning platforms. step by step algorithms and sensible equipment give you the instruments you want to enhance present cellular platforms, while insurance of innovative concepts, resembling the moment positioning strategy, supplies a head-start in unlocking the possibility of destiny cellular positioning. even if you're an engineer or company supervisor operating within the cellular gadget undefined, a pupil or researcher, this is often your perfect advisor to GNSS.

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Extra info for GPS, GLONASS, Galileo, and BeiDou for Mobile Devices: From Instant to Precise Positioning

Example text

Week: __ // GPS week (0000–1024), every seven days since August 22, 1999. 4 Algorithm for satellite position calculation using standard Keplerian parameters By knowing the Keplerian parameters, one can calculate a satellite’s position at any epoch. Such parameters, for example, are transmitted as almanac data from the GPS, Galileo, and BeiDou satellites. The algorithm is basically the same for these systems [10], [11], [12]. Keplerian parameters are given in a different form for GLONASS. 3 as standard.

The functions of the ground segment can be summarized as follows. (1) (2) (3) (4) (5) (6) To establish a coordinate frame, from which satellite and user positions are calculated. To establish a time scale, which, along with the coordinate frame, defines the complete four-dimensional space-time continuum, from which satellite and user positions are calculated. To collect satellite measurements. To calculate satellite orbits. To monitor the satellite signal. To upload information on satellite orbits and health to the satellites.

The SBAS include the American Wide Area Augmentation System (WAAS), the European Global Navigation Overlay System (EGNOS), the Japanese Multi-functional Satellite Augmentation System (MSAS), and the Russian Luch. BeiDou has combined satellites on MEO and GEO. This is similar to considering GPS and WAAS, GLONASS and Luch, or Galileo and EGNOS as being two parts of one country’s satellite system. Russia is going to introduce regional satellite systems with three satellites in GEO. The GEO satellites are called Luch (meaning “Beam” in Russian).

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