Full-Duplex Wireless Communications: Challenges, Solutions, and Future Research Directions

The family of conventional half-duplex (HD) wireless systems relied on transmitting and receiving in different time slots or frequency subbands. Hence, the wireless research community aspires to conceive full-duplex (FD) operation for supporting concurrent transmission and reception in a single time/frequency channel, which would improve the attainable spectral efficiency by a factor of two. The main challenge encountered in implementing an FD wireless device is the large power difference between the self-interference (SI) imposed by the device’s own transmissions and the signal of interest received from a remote source. In this survey, we present a comprehensive list of the potential FD techniques and…

• NN
  National Natural Science Foundation of China

  Award: 61431001
• EA
  Engineering and Physical Sciences Research Council

  Awards: EP/N004558/1, EP/N004558/1
• ER
  European Research Council
• PF
  Program for New Century Excellent Talents in University

  Award: NECT-12-0774