Abstract:
Evolution of devices has lead mobile generations into revolution. User's demands like gaming, advertisement, content sharing, and downloading speed insist cellular operators to move on new research paradigm that can fulfil these requirements. These demands of users have put cellular operators to pacify the demands in cellular traffic over coming years. Hence, to cope with mentioned problems researchers left with reduction of cell size. The most reasonable method is via Pico cells which demands installation of new base stations. To preclude this overhead cost cellular offloading of data becomes a solution. In such a scenario, Device-to-device (D2D) communication gained its popularity which is offloading of cellular traffic whenever the users are in proximity. Moreover, advantages like spectral efficiency, Quality of Service and cell edge performance have attracted the man more. In this paper, we briefly describe the concept of D2D and different scenario's in which D2D can work. Then, we move towards its hurdles and challenges which are interference management, resource utilization, power control, and mode selection. However, most of the paper is contributed towards interference types, management issues and techniques used by different researchers.
