This book constitutes the refereed post-conference proceedings of the 17th EAI International Conference on Cognitive Radio Oriented Wireless Networks and Wireless Internet, CrownCom 2026, held in Shenzhen, China, on March 28, 2026.

The 40 full papers presented in this volume were carefully reviewed and selected from 148 submissions. They are organised into the following topics: Emotion Recognition; Deep Learning; Machine Learning; Wireless Network Optimization; Mobile Communication; Image Processing; Object Detection; Internet of Things and Localization Algorithm.