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- George P. Efthymoglou, Natalia Y. Ermolova, Valentine A. Aalo
- IET Communications
- 2010

In the present study, the performance of digital communication systems operating over a composite fading channel modelled by the generalised-K distribution is analysed and evaluated. Novelâ€¦ (More)

- Natalia Y. Ermolova
- IEEE Communications Letters
- 2008

In this letter, we prove that in contrast with earlier reported results the moment generating functions (MGFs) of the generalized eta - mu and re k - mu distributions are expressed in terms ofâ€¦ (More)

- Natalia Y. Ermolova, Boris Makarevitch
- 2007 IEEE 18th International Symposium onâ€¦
- 2007

In this paper, we consider the problem of adaptive resource allocation for OFDMA. Aiming at practical (low-complexity) algorithms we study disjoint subcarrier and power allocation. A number ofâ€¦ (More)

- Natalia Y. Ermolova, Sven-Gustav HÃ¤ggman
- 2004 12th European Signal Processing Conference
- 2004

Any signal-processing scheme requires evaluation of the performance. Very often in such applications the complementary error function (the Gaussian Q-function) occurs. In this paper, we present newâ€¦ (More)

- Natalia Y. Ermolova, Olav Tirkkonen
- IEEE Transactions on Wireless Communications
- 2011

In this paper, we analyze Î·-Î¼ fading radio channels with integer values of the parameter Î¼. We obtain expressions for the probability density function and outage probability in terms of elementaryâ€¦ (More)

- Natalia Y. Ermolova, Pertti Vainikainen
- IEEE Communications Letters
- 2003

The well-known relationship between the peak-to-average power ratio (PAPR) of a multicarrier signal and the autocorrelation coefficients of the generating sequence is discussed. We emphasise that lowâ€¦ (More)

- Natalia Y. Ermolova
- IEEE Communications Letters
- 2001

A method of spectral analysis for a nonlinear amplifier driven by a Gaussian signal is presented. The technique is based on the Taylor series expansion of the complex gain of an amplifier. Therefore,â€¦ (More)

- Natalia Y. Ermolova
- IET Communications
- 2009

- Natalia Y. Ermolova, Olav Tirkkonen
- IEEE Transactions on Wireless Communications
- 2014

In this paper, we present expressions for the cumulative distribution function (CDF) of a specially constructed random variable (RV) represented by the ratio of two generalized RVs. The obtainedâ€¦ (More)

- Natalia Y. Ermolova, Olav Tirkkonen
- IEEE Transactions on Wireless Communications
- 2011

In this letter, we derive expressions for the moment generating function (MGF), for the probability density and cumulative distribution functions, as well as for joint moments of the bivariate Î·-Î¼â€¦ (More)