This book constitutes the proceedings of the 7th International Conference on Wireless and Satellite Services, Wi SATS 2015, heldin Bradford, UK, in July 2015. The conference was formerly known as the International Conference on Personal Satellite Services (PSATS) mainly coveringtopics in the satellite domain. As the scope of the conference widened toinclude wireless systems, the conference was renamed to Wi SATS.The 29 revised papers were presented at theconference in three technical sessions and one special session on Network Codingfor Satellites . Wi SATS 2015 also hosted two workshops along with the mainconference: The first workshop, Communication Applications in Smart Grid (CASG2015), focused on the merging area of using communication technology within theelectricity power grid for smart monitoring and control. The second workshop, Advanced Next-Generation Broadband Satellite Systems (BSS 2015), focused on theuse of satellite systems for providing next-generation broadbandservices.