IEICE TRANSACTIONS on Communications
Tx and Rx Modulation MIMO Radar System with Orthogonal Codes
Summary :
A transmitting and receiving modulation MIMO radar system is effective to obtaining 3D resolution without a 2D array and to simplification of the electronic circuits in Tx and Rx array. But the dynamic range of the conventional system is limited by the interchannel interference of the used preferred pair M-sequence codes for Tx and Rx modulation. This paper presents a TRM-MIMO radar system based on orthogonal coded theory. We derive a condition which the Tx and Rx codes doubly modulated at the Tx and Rx arrays should satisfy. The acquisition time and code length is theoretically discussed. The experiments are carried out in order to demonstrate the effectiveness of this method by using a developed TRM-MIMO radar system with Hadamard codes. As the result, it is found that the proposed orthogonal code modulation method achieves more than 20 dB improvement of the dynamic range which is limited due to the interchannel interference of a moving clutter in a conventional system with M-sequence codes. Moreover, 5 times faster acquisition time is achieved.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E94-B No.2 pp.546-553
- Publication Date
- 2011/02/01
- Publicized
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.E94.B.546
- Type of Manuscript
- PAPER
- Category
- Sensing
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Takashi MIWA, Yoshiyasu NAKANO, Yoshiki YAMAKOSHI, "Tx and Rx Modulation MIMO Radar System with Orthogonal Codes" in IEICE TRANSACTIONS on Communications,
vol. E94-B, no. 2, pp. 546-553, February 2011, doi: 10.1587/transcom.E94.B.546.
Abstract: A transmitting and receiving modulation MIMO radar system is effective to obtaining 3D resolution without a 2D array and to simplification of the electronic circuits in Tx and Rx array. But the dynamic range of the conventional system is limited by the interchannel interference of the used preferred pair M-sequence codes for Tx and Rx modulation. This paper presents a TRM-MIMO radar system based on orthogonal coded theory. We derive a condition which the Tx and Rx codes doubly modulated at the Tx and Rx arrays should satisfy. The acquisition time and code length is theoretically discussed. The experiments are carried out in order to demonstrate the effectiveness of this method by using a developed TRM-MIMO radar system with Hadamard codes. As the result, it is found that the proposed orthogonal code modulation method achieves more than 20 dB improvement of the dynamic range which is limited due to the interchannel interference of a moving clutter in a conventional system with M-sequence codes. Moreover, 5 times faster acquisition time is achieved.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E94.B.546/_p
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@ARTICLE{e94-b_2_546,
author={Takashi MIWA, Yoshiyasu NAKANO, Yoshiki YAMAKOSHI, },
journal={IEICE TRANSACTIONS on Communications},
title={Tx and Rx Modulation MIMO Radar System with Orthogonal Codes},
year={2011},
volume={E94-B},
number={2},
pages={546-553},
abstract={A transmitting and receiving modulation MIMO radar system is effective to obtaining 3D resolution without a 2D array and to simplification of the electronic circuits in Tx and Rx array. But the dynamic range of the conventional system is limited by the interchannel interference of the used preferred pair M-sequence codes for Tx and Rx modulation. This paper presents a TRM-MIMO radar system based on orthogonal coded theory. We derive a condition which the Tx and Rx codes doubly modulated at the Tx and Rx arrays should satisfy. The acquisition time and code length is theoretically discussed. The experiments are carried out in order to demonstrate the effectiveness of this method by using a developed TRM-MIMO radar system with Hadamard codes. As the result, it is found that the proposed orthogonal code modulation method achieves more than 20 dB improvement of the dynamic range which is limited due to the interchannel interference of a moving clutter in a conventional system with M-sequence codes. Moreover, 5 times faster acquisition time is achieved.},
keywords={},
doi={10.1587/transcom.E94.B.546},
ISSN={1745-1345},
month={February},}
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TY - JOUR
TI - Tx and Rx Modulation MIMO Radar System with Orthogonal Codes
T2 - IEICE TRANSACTIONS on Communications
SP - 546
EP - 553
AU - Takashi MIWA
AU - Yoshiyasu NAKANO
AU - Yoshiki YAMAKOSHI
PY - 2011
DO - 10.1587/transcom.E94.B.546
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E94-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 2011
AB - A transmitting and receiving modulation MIMO radar system is effective to obtaining 3D resolution without a 2D array and to simplification of the electronic circuits in Tx and Rx array. But the dynamic range of the conventional system is limited by the interchannel interference of the used preferred pair M-sequence codes for Tx and Rx modulation. This paper presents a TRM-MIMO radar system based on orthogonal coded theory. We derive a condition which the Tx and Rx codes doubly modulated at the Tx and Rx arrays should satisfy. The acquisition time and code length is theoretically discussed. The experiments are carried out in order to demonstrate the effectiveness of this method by using a developed TRM-MIMO radar system with Hadamard codes. As the result, it is found that the proposed orthogonal code modulation method achieves more than 20 dB improvement of the dynamic range which is limited due to the interchannel interference of a moving clutter in a conventional system with M-sequence codes. Moreover, 5 times faster acquisition time is achieved.
ER -
English
