Scalable Device-to-Device Communications For Frequency Reuse >> 1

Proximity based applications are becoming fast growing markets suggesting that Device-to-Device (D2D) communications is becoming an essential part of future mobile data networks. We present three solutions for coordinating the interferences that aim at maximizing the density of D2D links while considering different levels of complexity and available channel state information (CSI). We analyze the performance of D2D communications in multicell environments to gain valuable insights on important limiting factors of the system scalability and spectral efficiency. The results show that the proposed low complexity interference coordination schemes achieve high spectral efficiency and good scalability while assuring low outage probability to provide QoS for all users.