Towards next generation in mobile and wireless communications and technologies for next decade, a new paradigm shift is required to deal with challenges on explosively growing requirements in user-centric mobile applications (instead of traditional carrier-centric), truly personal communications (instead of traditional cellular mobile services), convergence of multiple mobile devices (instead of just mobile phone), mobile data traffic volume (1000x), number of connected devices (10–100x), typical end user data rate (10–100x), and device/network lifetime (10x). In order to accommodate these emerging demands, next generation 5G mobile and wireless communication systems and applications need to be further evolved based on fundamental and innovative rethinking of the conventional mobile and wireless communications and technologies. Although the current 4G technologies have been successfully evolving to fulfill current demands up to now, satisfying all the new emerging requirements is still beyond their capacity. Hence, it is inevitable to face a wide variety of issues on new system concepts and technological enablers to break through the current limitations. We invite high quality original research papers describing recent and expected challenges or discoveries along with potential solutions for 5G mobile and wireless communications, technologies and welcome both theoretical and experimental papers.