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Title: Fast estimation of BER in PAR-limited DMT systems using noise injection method
Authors: Farhang-Boroujeny, B.
Yan, W. 
Attallah, S.
Keywords: Bit-error rate (BER)
Clipping noise
Discrete multitone (DMT)
Fast estimation
Issue Date: Feb-2003
Citation: Farhang-Boroujeny, B., Yan, W., Attallah, S. (2003-02). Fast estimation of BER in PAR-limited DMT systems using noise injection method. IEEE Transactions on Communications 51 (2) : 170-174. ScholarBank@NUS Repository.
Abstract: High peak-to-average power ratio is a major problem that is inherent in all multicarrier communication systems. Clipping the high-peak power samples introduces (extra) clipping noise, which degrades the system performance in terms of bit-error rate (BER). Measuring BER usually requires a very long simulation time, as clipping occurs very rarely. In this letter, we propose a method called clipping noise injection, which allows estimating BER (due to clipping) in discrete multitone-based systems in a fast and quite precise way. Savings of as great as 90% or more are observed in some simulations that are reported in this letter. Higher savings are expected when lower BER cases have to be studied.
Source Title: IEEE Transactions on Communications
ISSN: 00906778
DOI: 10.1109/TCOMM.2003.809225
Appears in Collections:Staff Publications

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