Introduction to DSSS (Spread Spectrum)

In this lab, students will create a DSSS signal with a simple message and explore its characteristics in the frequency domain using the Emona Communications Board and NI ELVIS III Instrumentation. Students will also complete activities to understand how DSSS is recovered with a unique key, and why it is resistant to jamming and interference.
by Emona Tims
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This is lab 13 of 22 in the course, Communications Principles.

LEARNING OBJECTIVES


After completing this lab, students will be able to:
  1. Generate a real DSSS signal using a simple message.
  2. Describe the spectrum of a DSSS signal.
  3. Discuss the recovery of a DSSS signal: what works, what doesn’t.
  4. Discuss the resistance of DSSS to jamming signals.

REQUIRED SKILLS

  • Basic proficiency using ELVIS III Instruments
  • Basic Circuits Knowledge

Emona Communications Board for NI ELVIS III

Application board for the NI ELVIS III developed to teach introductory digital and analog communications topics using a completely hands-on approach.

NI ELVIS III

Engineering laboratory solution for project-based learning that combines instrumentation and embedded design with a web-driven experience, delivering a greater understanding of engineering fundamentals and system design.

Required Software

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Required Hardware

Purchase Engineering Education Products

INSTRUCTOR RESOURCES

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