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- Predrag Ivanis, Dusan Drajic, Branka Vucetic
- IEEE Communications Letters
- 2008

In this letter, exact closed form expressions for the level crossing rate and the autocorrelation function are derived for maximum-ratio-combining with independent but unbalanced diversity branches. The novel expressions are given for Rayleigh propagation and an arbitrary number of diversity branches. The derived identities can be applied to isotropic as… (More)

- Predrag Ivanis, Dusan Drajic, Branka Vucetic
- IEEE Communications Letters
- 2007

In this paper, the second-order statistics of the signal to noise ratio (SNR) at the output of a multiple-inputmultipleoutput (MIMO) system employing maximal ratio combining (MRC) are analyzed. Exact expressions for the level crossing rate (LCR) and the average fade duration (AFD) are derived for the Rayleigh propagation and arbitrary channel matrix… (More)

- Predrag Ivanis, Dusan Drajic, Branka Vucetic
- IEEE Communications Letters
- 2007

- Predrag Ivanis, Dusan Drajic, Branka Vucetic
- VTC Spring
- 2007

- Predrag Ivanis, Vesna Blagojevic, Dusan Drajic, Branka Vucetic
- IEEE Trans. Vehicular Technology
- 2011

In this paper, the exact closed-form expressions for the level crossing rate (LCR) and the temporal autocorrelation function (ACF) of the signal-to-noise ratio (SNR), at the output of the spatially correlated multiple-input-multiple-output (MIMO) systems with orthogonal space-time block codes (OSTBCs), are derived. The expressions are derived for the case… (More)

- Predrag Ivanis, Vesna Blagojevic, Dusan Drajic, Branka Vucetic
- IET Communications
- 2011

In this study, exact closed-form expressions for the second-order statistics of the signal-to-noise ratio at a maximum ratio combiner (MRC) output for a Nakagami fading channel are derived. Using the joint characteristic function for the MRC output and its time derivative, the level crossing rate, average fading duration and autocorrelation function… (More)

- Dragana Bajic, Dusan Drajic
- IEEE Trans. Communications
- 1995

- Predrag Ivanis, Dusan Drajic, Branka Vucetic
- ICC
- 2007

The second-order statistics of the time varying signal to noise ratio at the output of a multiple-input-multiple-output (MIMO) system with maximal ratio combining (MRC) are analyzed. Exact closed-form expressions for the level crossing rate and the average fade duration are derived for the Ricean propagation and arbitrary channel matrix dimensions. Novel… (More)

- redrag N. Ivanis, Milena M. Stojnic, Dusan B. Drajic
- 2012

Using a finite state Markov channel model, we develop an analytical method for evaluation of the packet error structure in multiple-input multiple-output (MIMO) systems based on singular value decomposition (SVD). We consider dual-branch MIMO systems, with either two transmit and arbitrary number of receive antennas, or arbitrary number of transmit and two… (More)

- Savo Glisic, Georgije Lukatela, Grozdan V. Petrovic, Dusan Drajic
- IEEE Trans. Communications
- 1987