Distribution of the ICI term in phase noise impaired OFDM systems

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Uittreksel

Orthogonality between the subcarriers of an orthogonal frequency division multiplexing (OFDM) system is affected by phase noise, which causes inter-carrier interference (ICI). The distribution of this interference term is studied in this paper. The distribution of the ICI for large number of carriers is derived and it is shown that the complex Gaussian approximation, generally applied in previous literature, is not valid and that the ICI term exhibits thicker tails. An analysis of the tail probabilities confirms these finding and shows that bit-error probabilities are severely underestimated when the Gaussian approximation for the ICI term is used, leading to too optimistic design criteria. Results from a simulation study confirm the analytical findings and show the validity of the limit distribution, obtained under the assumption of a large number of subcarriers, already for a modest number of subcarriers
Originele taal-2Engels
Pagina's (van-tot)1488-1500
Aantal pagina's13
TijdschriftIEEE Transactions on Wireless Communications
Volume6
Nummer van het tijdschrift4
DOI's
StatusGepubliceerd - 2007

Vingerafdruk

Intercarrier Interference
Phase Noise
Phase noise
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Gaussian Approximation
Term
Complex Approximation
Tail Probability
Limit Distribution
Error Probability
Orthogonality
Tail
Interference
Simulation Study
Valid
Error probability

Citeer dit

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title = "Distribution of the ICI term in phase noise impaired OFDM systems",
abstract = "Orthogonality between the subcarriers of an orthogonal frequency division multiplexing (OFDM) system is affected by phase noise, which causes inter-carrier interference (ICI). The distribution of this interference term is studied in this paper. The distribution of the ICI for large number of carriers is derived and it is shown that the complex Gaussian approximation, generally applied in previous literature, is not valid and that the ICI term exhibits thicker tails. An analysis of the tail probabilities confirms these finding and shows that bit-error probabilities are severely underestimated when the Gaussian approximation for the ICI term is used, leading to too optimistic design criteria. Results from a simulation study confirm the analytical findings and show the validity of the limit distribution, obtained under the assumption of a large number of subcarriers, already for a modest number of subcarriers",
author = "T.C.W. Schenk and {Hofstad, van der}, R.W. and E. Fledderus and P.F.M. Smulders",
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Distribution of the ICI term in phase noise impaired OFDM systems. / Schenk, T.C.W.; Hofstad, van der, R.W.; Fledderus, E.; Smulders, P.F.M.

In: IEEE Transactions on Wireless Communications, Vol. 6, Nr. 4, 2007, blz. 1488-1500.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Distribution of the ICI term in phase noise impaired OFDM systems

AU - Schenk, T.C.W.

AU - Hofstad, van der, R.W.

AU - Fledderus, E.

AU - Smulders, P.F.M.

PY - 2007

Y1 - 2007

N2 - Orthogonality between the subcarriers of an orthogonal frequency division multiplexing (OFDM) system is affected by phase noise, which causes inter-carrier interference (ICI). The distribution of this interference term is studied in this paper. The distribution of the ICI for large number of carriers is derived and it is shown that the complex Gaussian approximation, generally applied in previous literature, is not valid and that the ICI term exhibits thicker tails. An analysis of the tail probabilities confirms these finding and shows that bit-error probabilities are severely underestimated when the Gaussian approximation for the ICI term is used, leading to too optimistic design criteria. Results from a simulation study confirm the analytical findings and show the validity of the limit distribution, obtained under the assumption of a large number of subcarriers, already for a modest number of subcarriers

AB - Orthogonality between the subcarriers of an orthogonal frequency division multiplexing (OFDM) system is affected by phase noise, which causes inter-carrier interference (ICI). The distribution of this interference term is studied in this paper. The distribution of the ICI for large number of carriers is derived and it is shown that the complex Gaussian approximation, generally applied in previous literature, is not valid and that the ICI term exhibits thicker tails. An analysis of the tail probabilities confirms these finding and shows that bit-error probabilities are severely underestimated when the Gaussian approximation for the ICI term is used, leading to too optimistic design criteria. Results from a simulation study confirm the analytical findings and show the validity of the limit distribution, obtained under the assumption of a large number of subcarriers, already for a modest number of subcarriers

U2 - 10.1109/TWC.2007.348345

DO - 10.1109/TWC.2007.348345

M3 - Article

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JO - IEEE Transactions on Wireless Communications

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