Chapter 13

Air Interface Physical Layer

Learning Objectives

After studying this chapter, you should be able to:

  • Describe the three major ways digital data can be encoded onto an analog signal

  • Determine performance of modulation schemes from Eb/N0 curves

  • Understand the distinction between PSK and differential PSK

  • Explain π/2-BPSK

  • Present an overview of the concept of multicarrier modulation

  • Understand the concepts of fast Fourier transform and inverse fast Fourier transform

  • Discuss the nature and importance of peak-to-average power ratio

  • Distinguish between OFDM, OFDMA, and SC-FDMA

  • Explain the term numerology in the context of 5G

This chapter continues the treatment of the air interface, with a look at the two most important aspects of the ...

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