23 May 2014 CS-MIMO radars for through-the-wall imaging in an indoor multipath environment
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Abstract
Through-the-wall radar (TWR) systems are indispensable for situational awareness in a wide range of civilian and military applications. Multi-input multi-output (MIMO) TWR provides high spatial resolution for improved target detection in indoor environments. When combined with compressive sensing (CS), MIMO TWR enables good performance with a reduced number of samples, which, in turn, reduces the data acquisition time. Most of the existing MIMO TWR systems, either conventional or CS based, employ time-multiplexed transmitters. In this paper, we present a CS-MIMO TWR approach for the indoor environment under multipath propagation, in which the transmit antennas simultaneously emit different waveforms, thus allowing for further reduction of acquisition time as compared to time-multiplexed transmissions. Supporting simulation results are provided.
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Yao Yu, Yao Yu, Fauzia Ahmad, Fauzia Ahmad, Athina P. Petropulu, Athina P. Petropulu, Moeness G. Amin, Moeness G. Amin, } "CS-MIMO radars for through-the-wall imaging in an indoor multipath environment", Proc. SPIE 9109, Compressive Sensing III, 910906 (23 May 2014); doi: 10.1117/12.2057051; https://doi.org/10.1117/12.2057051
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