This book constitutes the refereed proceedings of the 9th International Conference on Ad Hoc
Networks AdHocNets 2017 held in Niagara Falls Ontario USA in September 2017. The 19 full
papers were selected from 30 submissions and cover a variety of network paradigms including
mobile ad hoc networks (MANETs) sensor networks vehicular networks underwater networks
airborne networks underground networks personal area networks device-to-device (D2D)
communications in 5G cellular networks and home networks. The papers present a wide range of
applications in civilian commercial and military areas.