Pallav Sudarshan

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Multiple antenna transmitter and receiver architectures that combine antenna selection with RF pre-processing have been shown to significantly outperform conventional antenna selection with the same number of RF chains. Often, performance close to a full complexity architecture (with more RF chains) is also achieved. This paper studies the effect of(More)
We introduce two novel joint radio-frequency (RF)-baseband designs for receivers in a MIMO system with Nt transmit antennas, Nr receive antennas, but only L ¡ Nr RF chains at the receiver. The joint design introduces an RF pre-processing matrix that processes the signals from the different antennas, and is followed by selection (if necessary),(More)
For a multiple input multiple output system, antenna selection reduces complexity at the expense of performance. In this paper, we propose two novel RF pre-processing architectures that significantly improve the performance of antenna selection, which marginally increasing the complexity. These architectures introduce a RF pre-processing matrix, M, that(More)
The rapid developments in solar energy conversion technologies, researchers emerged with an idea of live evacuation of energy into the grid using PV modules. Standalone systems are designed for sensitive AC loads which require pure sine wave as input. According to the simulation results in Power SIM simulator, this paper proposes A Novel Transformer Less(More)
For MIMO systems, we introduce two novel architectures that significantly reduce the required number of expensive RF chains and still perform as well as a conventional full complexity solution for many cases of interest. The architectures we propose combine RF pre-processing-based soley on channel statistics and not instananeous channel state-with selection(More)
The use of multiple antennas at the transmitter and receiver can significantly improve the performance of a wireless communication system. In recent years, there has been a lot of interest in deriving efficient receiver architectures and designing signalling and coding schemes that maximize the performance gains of a multi-antenna system. In this(More)
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