The 7th International Conference on Adhoc, Mobile and Wireless Networks (AdHoc-NOW 2008) was held at INRIA Sophia Antipolis - M editerran ee, on the French Riviera, during September 10-12,2008. The six previous conferences intheserieswereheldinMorelia(2007), Ottawa(2006), Cancun(2005), Vanc- ver (2004), Montreal (2003) and Toronto (2002). The purpose of this conference is to provide a forum for researchers from academia/industry and practitioners to meetandexchangeideas regardingrecentdevelopmentsintheareasofad-hoc wireless networks. AdHoc-NOW 2008 received 110 submissions submitted by authors form the following 33 countries: Algeria, Australia, Austria, Belgium, Brazil, Canada, China, the Czech Republic, Denmark, Finland, France, Germany, Greece, India, Iran, Israel, Italy, Japan, Luxembourg, Macedonia, Norway, Pakistan, Poland, Slovakia, South Africa, South Korea, Sri Lanka, Sudan, Switzerland, Taiwan, Tunisia, the UK and the USA. Each paper was assigned to three members of the Technical Program Committee (TPC). Based on the reviews, we decided to accept 39 submissions as regular papers, 24 of them with 25 minutes' oral presentation time, and 15 as poster presentations. All of the accepted papers appear in this volume. We thank the three invited speakers at this conference, Srdjan Krco (Er- sson, Ireland), Xuemin (Sherman) Shen (University of Waterloo, Canada), and Stephan Olariu (Old Dominion University, USA) for accepting our invitation to share their insights on new developments in their research areas."