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Steepest descent opportunistic MIMO radar: spectrum sharing design

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Abstract

Opportunistic radar appeared recently as a solution for opening more spectrum for future radar applications. Opportunistic radar harnesses spectrum opportunities and transmits without causing intermittent interference to incumbent applications. We propose a multiple-input multiple-output (MIMO) radar pre-coder design that enables spectrum sharing with long-term-evolution (LTE) base stations. In the proposed design, pre-coder settings are configured continuously using a steepest descent (SD) approach given certain interference constraints. The presented designs have lower computational complexity compared to other designs proposed in literature. We construct the SD based MIMO radar and analyze its performance.

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Notes

  1. This work has been presented partially in WInnComm’16 conference [11].

  2. A similar concept in now available in the 32 GHz band.

  3. In this work, we consider a colocated MIMO radar in which the radar transmit and receive elements are close to one another.

  4. Biased estimators might result in lower estimation error than CRLB.

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Authors and Affiliations

  1. Electrical and Computer Engineering Department, The University of Arizona, 1234 E Speedway Blvd, Tucson, AZ, 85721, USA

    Mohammed Hirzallah & Tamal Bose

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  1. Mohammed Hirzallah
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  2. Tamal Bose
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Correspondence to Mohammed Hirzallah.

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Hirzallah, M., Bose, T. Steepest descent opportunistic MIMO radar: spectrum sharing design. Analog Integr Circ Sig Process 91, 227–237 (2017). https://doi.org/10.1007/s10470-017-0935-1

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