Viktor Zaharov

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In this paper MIMO ad hoc wireless network performance in terms of signal-to-interference-plus-noise-ratio (SINR) for two physical layers models is considered. We analyze and discuss the performance of MIMO spatial multiplexing with dominant eigenvalue transmission, when the the beamforming weights are chosen as 1) dominant eigenvector, and 2) adaptive(More)
In this paper we consider MIMO system with Mt transmitting and Mr receiving antennas, when channel state information (CSI) is known on the transmitter side. In this case, the optimum multiple antenna transmission consists of allocating the transmitted power for each virtual sub-channel related to the corresponding eigenvalue of the propagation channel(More)
In this paper we consider MIMO system with Mt transmitting and Mr receiving antennas, when channel state information (CSI) is known on the transmitter side. The Reyleigh fading channel propagation condition is assumed. In this case, the optimum transmission consists of allocating the transmitted power for each virtual sub-channel related to the(More)
The smart antenna have to optimize reception and radiation patterns dynamically in response to the signal environment and the spatial beamformer has to maximize the signal/interference relation (SIR) continuously for each moving user. There is a growing need for the development of efficient algorithms for real-time optimization. Various algorithms can be(More)
The technology of smart antenna for mobile communications has received enormous interest worldwide in recent decade. A smart antenna forms a pattern that adapts to the current radio conditions improving the communication link. The principal reason for applying smart antennas is the possibility for a large increase in capacity and to introduce new services.(More)
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