Course Name: Satellite Communications

Course Code: S2293062

Semester: 5

Credit: 3

Program: Electronics

Course Module: Optional Courses (Communications)

Responsible: Jinsheng Yang

E-mail: jsyang@tju.edu.cn

Department:School of Electrical and Information Engineering, Tianjin University

TimeAllocation(1 credit hour = 45 minutes)

Course Description

It includes interference and propagation link analysis, earth station and satellite technology, antenna, RF/microwave transceiver and architecture, modulation and coding, multiple access techniques, as well as advanced technologies such as multi-beam, inter satellite link, and regenerative satellite transponders.

Prerequisite

Digital Communications, Electromagnetism and Antennas.

Course Objectives

This module provides students with an understanding of the fundamentals and design of satellite communication systems. On completion of the module, students should be able to describe and analyze the RF and baseband subsystems, calculate satellite link budget, understand the requirements and operation of satellite communications systems, and appreciate the design issues and relative strength of various types of satellite systems.

Course Syllabus

1. Introduction to satellite system

   1. Orbital Mechanics

   2. Linking by satellite

   3. Available technologies (C, Ku, K-bands)

   4. Geosynchronous orbits and LEO's (Low Earth Orbits)

   5. Satellite design

   6. Transponder design

2. Satellite propagation and transmission equations

   1. Uplink characterization

   2. Transponder characterization

   3. Downlink characterization

   4. Atmospheric effects

3. Earth station design

   1. Uplink amplifiers, frequency converters, modulators

   2. Downlink amplifiers, frequency converters, demodulators

   3. Antennas

4. Analog modulation techniques

5. Digital modulation techniques

6. Satellite networks

   1. FDMA, TDMA, CDMA, and packet

   2. Inter-satellite communications

   3. Performance evaluation

7. Navigation by satellite

   1. Time Difference of Arrival Techniques

   2. GPS Systems

   3. Limitations to Accuracy

Textbooks & References

• Pratt, Bostian, Allnut.Satellite Communications (2nd ed). John Wiley, 2002. (Required)

Capability Tasks

CT1: To understand basic science, and to have analytical ability and the ability to integrate related knowledge.

CT2: To apply relevant professional knowledge to the field of science and technology: understanding of the basic concepts and its connotation, application of different methods and concepts which have been learned, capability of judging the scope and limitations of such applications.

CT3: To grasp methodologies and engineering tools: identifying, utilizing and solving problems. Even if the students are not familiar with the content, they can turn to computer tools for systematic analysis.

CT4: To carry out experiments in research environment with the abilities to utilize tools, especially for data collection and processing.

CT10: To have the capacity to work in international environment; the capability to master one or more foreign languages and be open to foreign cultures; be able to acclimatize themselves to the international language environment.

Achievements

• To master techniques for mobile communications. - Level: M

• To master the modeling of spacecraft RF links. - Level: M

• To understand the mechanism of antennas. - Level: M

Students: Electronics, Year 3