As the Internet of Things (IoT) rapidly evolves, it fosters numerous innovative applications that connect low-data-rate, low-power devices. Traditional wireless technologies struggle to meet these connectivity needs, leading to the exploration of Low-Power Wide Area Networks (LPWAN) for long-distance communication. This book addresses critical challenges in LPWAN technologies for large-scale deployments, including transmission conflicts, weak signals, and interference from diverse protocols. We present a novel collision decoding mechanism that enhances network throughput, a weak signal...