IQ-Imbalance Compensation for Wideband OFDM-Radar

被引：0

作者：

Schweizer, Benedikt ^{[1
]}

Knill, Christina ^{[1
]}

Schindler, Daniel ^{[2
]}

Waldschmidt, Christian ^{[1
]}

机构：

[1] Ulm Univ, Inst Microwave Engn, D-89081 Ulm, Germany

[2] Robert Bosch GmbH, Corp Sect Res & Adv Engn, Stuttgart, Germany

来源：

2020 14TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP 2020) | 2020年

关键词：

adaptive filtering; digital radar; digital signal processing; IQ-imbalance; OFDM radar;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Orthogonal frequency-division multiplexing is a promising modulation format for future automotive radar sensors. Although it benefits from a simple homodyne transceiver design, it requires quadrature signal generation and evaluation, which suffers from IQ-imbalance at transmitter and receiver. This paper describes the effects of IQ-imbalance on OFDM radars in general and demonstrates how digital signal processing techniques can be adopted to mitigate this impairment based on adaptive filtering. The effectiveness of the approach is demonstrated with simulations.

引用

页数：5

共 16 条

[1] Circularity-based I/Q imbalance compensation in wideband direct-conversion receivers
Anttila, Lauri
Valkama, Mikko
Renfors, Markku
[J]. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2008, 57 (04) : 2099 - 2113
[2] Baier A., 1990, INT ZUR SEM DIG COMM
[3] Bourdoux A., 2018, 15 EUR RAD C EURAD S
[4] Lee E.A., 1988, Digital Communication
[5] Classical and modern receiver architectures
Mirabbasi, S
Martin, K
[J]. IEEE COMMUNICATIONS MAGAZINE, 2000, 38 (11) : 132 - 139
[6] Moseley N. A., 2006, 17 ANN WORK CIRCUITS
[7] Mustosmäki A, 2011, WORK WEL EUR, P17
[8] tepped-Carrier OFDM-Radar Processing Scheme to Retrieve High-Resolution Range-Velocity Profile at Low Sampling Rate
Schweizer, Benedikt
Knill, Christina
Schindler, Daniel
Waldschmidt, Christian
[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2018, 66 (03) : 1610 - 1618
[9] Waveform Design and Signal Processing Aspects for Fusion of Wireless Communications and Radar Sensing
Sturm, Christian
Wiesbeck, Werner
[J]. PROCEEDINGS OF THE IEEE, 2011, 99 (07) : 1236 - 1259
[10] Tandur D., 2006, 14 EUR SIGN PROC C

← 1 2 →