This open access book includes original, peer-reviewed research papers from the 2024 International Conference on Wireless Communications, Networking and Applications (WCNA 2024), held in Shenzhen, Guangdong, China, from December 20 to 22, 2024. The topics covered include but are not limited to: Wireless Communications; Devices, Tools, and Techniques for WSN and Other Wireless Networks; Wireless Sensor Networks; Internet of Things (IoT); AI; Signal Processing; and Sustainable Pervasive WSN Applications.