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SCIENCE CHINA Information Sciences, Volume 59, Issue 10: 102307(2016) https://doi.org/10.1007/s11432-015-5370-2

Performance of an M-QAM full-duplex wireless system with a nonlinear amplifier

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  • ReceivedOct 11, 2015
  • AcceptedNov 29, 2015
  • PublishedMar 4, 2016

Abstract

The effect of amplifier nonlinearity is analyzed for $M$-QAM full-duplex communications in additive white Gaussian noise channels. Two classical memoryless nonlinear amplifier models, i.e., a traveling-wave tube amplifier and a solid-state power amplifier, are considered. An analytical expression for the bit error ratio is derived using a characteristic function and numerical integration. Theoretical results show perfect agreement with those obtained by simulation. The analytical results could be used to evaluate the degradation in performance of an $M$-QAM full-duplex system caused by amplifier nonlinearity, and will be helpful in finding the optimal static operating point of an amplifier.


Funded by

National Natural Science Foundation of China(61101034)

National Natural Science Foundation of China(61531009)

National Natural Science Foundation of China(61301154)

National Major Projects(2012ZX03003010-003)

National Natural Science Foundation of China(U1035002/L05)

National High-Tech R&D Program of China(863)

National Major Projects(2014ZX03003001-002)

National Major Projects(2011ZX03001-006-01)

"source" : null , "contract" : "2014AA01A704"}]

National Natural Science Foundation of China(61001087)

National Natural Science Foundation of China(61271164)

National Natural Science Foundation of China(61471108)


Acknowledgment

Acknowledgments

This work was supported by National Natural Science Foundation of China (Grant Nos. 61531009, 61471108, U1035002/L05, 61001087, 61101034, 61271164, 61301154), National Major Projects (Grant Nos. 2014ZX03003001-002, 2012ZX03003010-003, 2011ZX03001-006-01), and National High-Tech R&D Program of China (863) (Grant No. 2014AA01A704).


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