Pilot Allocation and Receive Antenna Selection: A Markov Decision Theoretic Approach

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Provided by: CNRS
Topic: Mobility
Format: PDF
In this paper, the authors consider Antenna Selection (AS) for packet reception at a receiver equipped with multiple antenna elements but only a single radio frequency chain. The receiver makes its AS decisions based on noisy channel estimates obtained from the training symbols (pilots). The time-correlation of the wireless channel and the results of the link-layer error checks upon data packet reception provide additional information that can be exploited for AS. This information can also be used to optimally distribute pilots among the antenna elements, so that packet loss due to selection errors is minimized.
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