System Block Diagram

Principles of OFDM

This is lab 13 of 20 in the course

by Emona Tims

In this experiment, students are introduced to the basic principles of Orthogonal Frequency Division Multiplexing and will implement the IDFT function using a noncoherent demodulation for every subcarrier.

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LEARNING OBJECTIVES

After completing this lab, students will be able to:

Build an OFDM signal with 3 subcarriers
Recover the data using an Integrate & Dump process
Understand the meaning of orthogonality of subcarriers
Recognise the data carrying capacity of multiple channels
Describe the limitations due to PAPR

REQUIRED SKILLS

Basic proficiency using ELVIS III Instruments
Basic Circuits & Signals & Systems Knowledge
Introductory Communications Knowledge

Requirements

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. Learn more

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. Learn more

LabVIEW

LabVIEW is systems engineering software for applications that require test, measurement, and control with rapid access to hardware and data insights. Learn more

Resources

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