2017 5th International Conference on Wireless and Optical Communications (ICWOC 2017) will be held during July 7-9, 2017 in Singapore, and it is sponsored by ACM Singapore Chapter and University of Electronics Science and Technology of China, and hosted at the Nanyang Executive Centre (NEC) in Nanyang Technological University. ICWOC provides a professional, direct and effective communication platform for the front-line researchers who work on Wireless and Optical Communications. The Proceedings of this conference are published in the SPIE Digital Library along with nearly 300,000 papers from other outstanding conferences and articles from SPIE Journals, which will be included in the SPIE Digital Library.