Detection Performance of Noncoherent Radar: MIMO Radar, Phased Array Radar, Directional MIMO Radar 


Vol. 36,  No. 12, pp. 1752-1757, Dec.  2011


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  Abstract

In a traditional phased array radar, closely spaced antenna elements transmit a scaled version of single waveform to maximize the signal energy. On the contrary, a multiple-input multiple-output (MIMO) radar consists of widely separated antennas and transmits an arbitrary waveform from each antenna element. These waveforms and spatial diversity enable superior capabilities compared with phased array radar. At high signal-to-noise ratio (SNR), the detection performance of the MIMO radar is better than the phased array radar due to the diversity gains. However, the phased array radar outperforms the MIMO radar at low SNR, due to the energy maximization. In this paper, we investigate the compromised scheme between the MIMO radar and the phased array radar. Employing the MIMO radar equipped with phased array elements, the compromised scheme achieves both array gain and diversity gain. Also, we compare the performance degradation when the steering direction is incorrect.

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  Cite this article

[IEEE Style]

C. An, J. Yang, U. Y. Pak, Y. Ryu, D. C. Han, D. K. Kim, "Detection Performance of Noncoherent Radar: MIMO Radar, Phased Array Radar, Directional MIMO Radar," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 12, pp. 1752-1757, 2011. DOI: .

[ACM Style]

Chan-ho An, Janghoon Yang, Ui Young Pak, Young-Jae Ryu, Duk Chan Han, and Dong Ku Kim. 2011. Detection Performance of Noncoherent Radar: MIMO Radar, Phased Array Radar, Directional MIMO Radar. The Journal of Korean Institute of Communications and Information Sciences, 36, 12, (2011), 1752-1757. DOI: .

[KICS Style]

Chan-ho An, Janghoon Yang, Ui Young Pak, Young-Jae Ryu, Duk Chan Han, Dong Ku Kim, "Detection Performance of Noncoherent Radar: MIMO Radar, Phased Array Radar, Directional MIMO Radar," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 12, pp. 1752-1757, 12. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880