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Coded OFDM Waveforms for MIMO Radars

delete2021-09-01
delete16
delete
OA
AI
C
Christina Knill *
F
Felix Embacher
B
Benedikt Schweizer
S
Simon Stephany
C
Christian Waldschmidt
DOI：10.1109/TVT.2021.3073268delete
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摘要

摘要

En 中文
Emerging digital radar concepts such as orthogonal frequency-division multiplexing (OFDM) allow flexible signal generation. This opens up new opportunities in waveform design in a multiple-input multiple-output (MIMO) system such as introducing coding for signal multiplexing. In this article, coded MIMO OFDM waveforms are proposed and investigated that allow continuous and simultaneous wideband transmission for all transmitters of a multiple transmit and receive antenna array for spatial radar environment perception. Challenges for coded MIMO OFDM radar operation are derived, and three coded MIMO strategies are introduced and analyzed. Their potential is validated and compared to the standard subcarrier interleaving OFDM approach using simulations and measurements of an experimental 4 x 4 MIMO OFDM radar at 77GHz.
Keyword:
OFDM
MIMO
radar
coding
CDM
FDM
TDM
STC
interleaving
auto-correlation
cross-correlation
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对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

IEEE Transactions on Vehicular Technology 封面图
IEEE Transactions on Vehicular Technology
IF:
7.1
论文数:
1.8W
被引数:
6.6W

机构

U
ulm university
学者数:
1.9W
论文数: 1.4W
被引数: 57
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