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[Author] Chao ZHANG(41hit)

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  • Fractional Pilot Reuse in Massive MIMO System

    Chao ZHANG  Lu MA  

     
    LETTER-Communication Theory and Signals

      Vol:
    E98-A No:11
      Page(s):
    2356-2359

    The pilot contamination is a serious problem which hinders the capacity increasing in the massive MIMO system. Similar to Fractional Frequency Reuse (FFR) in the OFDMA system, Fractional Pilot Reuse (FPR) is proposed for the massive MIMO system. The FPR can be further classified as the strict FPR and soft FPR. Meanwhile, the detailed FPR schemes with pilot assignment and the mathematical models are provided. With FPR, the capacity and the transmission quality can be improved with metrics such as the higher Signal to Interference and Noise Ratio (SINR) of the pilots, the higher coverage probability, and the higher system capacity.

41hit(41hit)