Satellite Navigation Systems - Part I — Lesson 1

This lesson covers the concept of satellite navigation, an application of satellite communication. It explains the meaning of navigation and how it is done using satellites. The lesson also discusses the estimation of position, time, velocity, and the basic functions of a global navigation satellite system receiver. It further delves into the errors that can occur and how to mitigate them. The lesson also provides a brief description of existing satellite navigation systems. It uses the example of the Global Positioning System (GPS) to illustrate how satellite navigation works and the components involved in the process.

Video Highlights

00:19 - Introduction and what will be covered
01:17 - Definition of navigation and its parameters
02:27 - Satellite Navigation Systems
04:57 - Architectural components of Satellite Navigation System
05:36 - Space, control and user Segments
06:56 - Estimation of parameters
08:32 - Explanation of position estimation
16:16 - Code tx. and rx. - in satellite
22:16 - Linearization technique used in solving equations

Key Takeaways

- Satellite navigation is an application of satellite communication that helps in estimating position, time, and velocity.
- The Global Navigation Satellite System (GNSS) receiver plays a crucial role in satellite navigation.
- There are four global satellite navigation systems, with the most popular being the Global Positioning System (GPS).
- The architecture of a satellite navigation system comprises three main components: the space segment (satellites), the control segment (earth stations), and the user segment (receivers).
- The process of estimating position, velocity, and time involves complex calculations and the use of specific techniques like linearization.