This document announces a call for papers for the IEEE PIMRC 2015 conference in Hong Kong from August 30 to September 2, 2015. It will include technical sessions, tutorials, workshops, and panels on wireless communications, networks, services, and applications. The deadline for paper submissions is April 30, 2015. It also provides details on one of the tutorials that will be presented on advanced air interface techniques for 5G networks. The tutorial will discuss key 5G technologies including distributed antenna systems, massive MIMO, millimeter wave communications, and small cell networks. It will analyze the technical aspects and challenges of 5G and present emerging research opportunities in this area. The tutorial presenters and their brief biographies are also included.