Pilot Allocation for Multi-Cell TDD Massive MIMO Systems

  title={Pilot Allocation for Multi-Cell TDD Massive MIMO Systems},
  author={Wanming Hao and Osamu Muta and Haris Gacanin and Hiroshi Furukawa},
  journal={2017 IEEE 86th Vehicular Technology Conference (VTC-Fall)},
Pilot contamination due to the pilot reuse in adjacent cells is a serious problem in time-division duplex (TDD) massive multi-input multiple-output (MIMO) system. Therefore, the pilot allocation is significant for improving the performance of the system. In this paper, we formulate the pilot allocation optimization problem for maximizing uplink sum rate of the system. To reduce the required complexity for finding the optimum pilot allocation, we propose a low-complexity pilot allocation… CONTINUE READING
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