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Course 313 Details

 
Course 313: Theory Basis of GPS, DGPS and Navigation/Communications Systems (0.6 CEUs)  On-Site Only
Instructors: Dr. Stephen Heppe, Telenergy, Inc.

Description

This 1-day course in modern communications theory provides provide a technical summary of the key theories and techniques which underpin all modern radio and data communications systems -- including the GPS and augmented GPS navigation systems.

Objectives

The course is structured along the lines of a master’s-level curriculum in modern communications theory, with each hour summarizing the key concepts in a typical graduate-level course. Taken together, the six segments provide a technical summary of the key theories and techniques which underpin all modern radio and data communications systems -- including the GPS and augmented GPS navigation systems.

Prerequisites

An understanding of basic engineering terms and concepts is desirable. Most mathematical concepts are presented graphically, but some derivations are performed. Non-technical attendees will gain an understanding of the sub-domains and disciplines of modern communications theory. This course can be paired with courses on receiver design, jamming, modern GNSS signals, and unmanned aircraft.

Who Should Attend?

This course is for technical and scientific professionals and managers.

Materials You Will Keep

  • A color electronic copy of all course notes will be provided on a USB Drive or CD-ROM. Bringing a laptop to this class is highly recommended; power access will be provided.
  • A black and white hard copy of the course notes will also be provided.

Course Outline      PDF Course Outline      To On-Site Information

Day 1, Morning

Fundamentals
● Domain of communications engineering
● Estimation problems vs. detection problems
● Layered hierarchy of communication systems
● Fundamentals of probability theory, transformation of random variables, and Bayes' theorem
 
Communications Theory I
● Survey of popular modulation techniques for communications and navigation systems
● Geometric representation of signals
● Receiver design and optimum decision rules
● The Maximum A Posteriori (MAP) detector
● Calculation of bit error rate and examples
 
Communications Theory II
● Fourier analysis: time domain and frequency domain representation of signals
● Spread spectrum techniques and applications to navigation
● Interference analysis of overlapping signals
● BOC and MBOC codes

Day 1, Afternoon

Coding Theory and Information Theory
● Historical perspective
● Correction and detection of errors
● Information content of signals
● Source coding and data compression
● Duality between source coding and channel coding
 
Message Formatting and Network Transport Considerations
● Network and transport layer features 
● Case studies: GPS, WAAS, and the Internet
● Security and authentication considerations
● Network delays and queueing theory
 
Link Budget Analysis and Case Studies
● Link budget shell
● Impact of waveform, coding, diversity, and error sources
● Co-channel interference and adjacent channel interference
● Case studies: GPS and WAAS
● Summary and review
 

 
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