Instructor: Professor Irving Kalet

The goal of this course is to introduce the participant to those digital modulation methods and multiple access techniques presently in use in mobile wireless (e.g.,5G-NR), broadband wireless(e.g.,Wi-Fi6), cable, satellite, deep-space and wireline (and power-line) communications, as well as to those techniques, which are being considered for future or next generation systems, e.g., 6G, and Wi-Fi 7.

Modern digital modulation and multiple access techniques are basic building blocks of the physical (or radio) interface of all digital communication systems. We will describe many of these techniques during the course including those methods, which are being used in the newest systems including the Fifth Generation (5G-NR) cellular system, as well as ideas for modulations for 6G.

Objective:

• Learning about OFDM -based systems including OFDM, OFDMA, S-OFDMA, and SC-FDMA, which are integral parts of 5G-NR, 4G-LTE and the IEEE 802.11 (Wi-Fi) systems.
• Emphasis on the new modulation standard for the physical interface of 5G-NR. This OFDM standard is based on scalable subcarrier spacing.
• Discuss other modulations, such as “Faster Than Nyquist” (FTN) signaling, which are being considered for advanced wireless systems. Many of the modulations have been combined with MIMO, Massive MIMO, and BLAST, to improve spectral efficiency.
• Describe the use of constant-envelope CPM modulations (e.g., GMSK), especially for present and future broadband wireless communications and space communications. All of the modulations have been, and will be, utilized in mobile and broadband wireless systems, as well as in xDSL systems, to greatly improve both bandwidth and power efficiency.
• Discussion of one of the most important topics in communications, Shannon Information Theory.

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