Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: MIMO OFDM Radar IRCI Free Range Reconstruction with Sufficient Cyclic
  Prefix   In this paper, we propose MIMO OFDM radar with sufficient cyclic prefix (CP),
where all OFDM pulses transmitted from different transmitters share the same
frequency band and are orthogonal to each other for every subcarrier in the
discrete frequency domain. The orthogonality is not affected by time delays
from transmitters. Thus, our proposed MIMO OFDM radar has the same range
resolution as single transmitter radar and achieves full spatial diversity.
Orthogonal designs are used to achieve this orthogonality across the
transmitters, with which it is only needed to design OFDM pulses for the first
transmitter. We also propose a joint pulse compression and pulse coherent
integration for range reconstruction. In order to achieve the optimal SNR for
the range reconstruction, we apply the paraunitary filterbank theory to design
the OFDM pulses. We then propose a modified iterative clipping and filtering
(MICF) algorithm for the designs of OFDM pulses jointly, when other important
factors, such as peak-to-average power ratio (PAPR) in time domain, are also
considered. With our proposed MIMO OFDM radar, there is no interference for the
range reconstruction not only across the transmitters but also across the range
cells in a swath called inter-range-cell interference (IRCI) free that is
similar to our previously proposed CP based OFDM radar for single transmitter.
Simulations are presented to illustrate our proposed theory and show that the
CP based MIMO OFDM radar outperforms the existing frequency-band shared MIMO
radar with polyphase codes and also frequency division MIMO radar.

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The categories of this paper are: astro-ph
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The categories of this paper are: q-fin
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The categories of this paper are: mtrl-th
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: cond-mat
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The categories of this paper are: adap-org
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The categories of this paper are: alg-geom
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: physics
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The categories of this paper are: nucl-ex
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The categories of this paper are: plasm-ph
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The categories of this paper are: math-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-th