The course briefly reviews amplitude modulation (AM) and frequency modulation (FM), which are essential in understanding IQ modulation used in virtually all modern radios (WiFi, OFDM, CDMA, TDMA, 4g, 5g, etc.). Building on these fundamentals, the course examines the industry’s digital wireless standards, including but not limited to IS-136, IS-95, Bluetooth, 4G, 5G, 802.11(a, g, n), and long term evolution (LTE).
It is equally important to understand antennas in any radio system. You will learn about trade-off considerations of antennas for cellphones, Bluetooth, and WiFi. The course discusses trade-offs of antenna size versus range on various configurations, including dipoles, dish, beams, phase arrays, and slotted antennas. The course will cover practical designs used in the Apple iPhone and Samsung Galaxy and analyze these designs. Instruction emphasizes an intuitive understanding of the fundamentals, rather than complex mathematics.
At the conclusion of the course, you should be able to
- Describe legacy receiver and transmitter architectures
- Explain classical AM and FM modulation both from a receiver and transmitter
- Discuss contemporary digital modulation techniques such as QAM, TDMA, CDMA, GSM, and OFDM
- Demonstrate Phase Lock Loops: how they work and how they are used in today’s radios
- Describe in detail modern antennas used in cell phones, wifi etc. design of multi band single feed antennas
- Evaluate transmission standards
Skills Needed: A general background in electrical engineering and networking.
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