| Chapter | Topic | Practical Skill | | :--- | :--- | :--- | | 1 | History & Spectrum Regulation | Understanding why you need a license for ham radio but not for Wi-Fi. | | 2 | Transmission Lines & Impedance Matching | Why a 50-ohm cable is standard. | | 3 | Antenna Fundamentals | Building a simple quarter-wave ground plane antenna. | | 4 | Analog Modulation (AM/FM) | Understanding an old car radio's tuner. | | 5 | Digital Modulation (ASK, FSK, PSK) | Decoding a garage door remote signal. | | 6 | Channel Coding & Error Correction | Why scratched CDs still play music. | | 7 | Spread Spectrum (FHSS, DSSS) | How Bluetooth avoids Wi-Fi interference. | | 8 | Modern Systems (OFDM, MIMO) | The secret sauce of 802.11ac and 5G NR. |
: Multipath occurs when signals arrive at the receiver via multiple paths, causing interference. Fading is the variation in signal strength due to this interference. Wireless Communication From The Ground Up Pdf
: Low-power protocols like LoRaWAN, Zigbee, and Bluetooth Low Energy (BLE) designed for sensors that need to run for years on a single battery. Why Look for a "From the Ground Up" PDF? | Chapter | Topic | Practical Skill |