Ultracompact 160-GHz FMCW Radar MMIC With Fully Integrated Offset Synthesizer

Hitzler, Martin; Saulig, Stefan; Boehm, Linus; Mayer, Winfried; Winkler, Wolfgang; Uddin, Nasir; Waldschmidt, Christian

doi:10.1109/tmtt.2017.2653111

Cited by 54 publications

(31 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The MMIC used for the multi-channel imaging radar is described in [7]. The architecture is optimized for low PN in a single channel radar measurement.…”

Section: A Rf System Architecturementioning

confidence: 99%

“…By additionally integrating antennas on-chip (AoC), lossy and complicated high-frequency transitions to PCB antennas are avoided. In the past years several single channel radar systems fully integrated on an MMIC with AoCs were presented [2]- [7]. This work was funded by the Deutsche Forschungsgemeinschaft (DFG, Germany Research Foundation) -Project number: 317632307.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

High-Resolution 160-GHz Imaging MIMO Radar Using MMICs With On-Chip Frequency Synthesizers

Dürr

Schwarz

Häfner

et al. 2019

IEEE Trans. Microwave Theory Techn.

Self Cite

View full text Add to dashboard Cite

A high-resolution frequency modulated continuous wave imaging radar for short-range applications is presented. A range resolution of about 1 cm is achieved with a bandwidth of up to 16 GHz around 160 GHz. In order to overcome losses and large tolerances on a printed circuit board (PCB), 8 coherently coupled monolithic microwave integrated circuits (MMIC) are used, each with one transmit and receive antenna on-chip and each representing a single channel radar system. The signals on the PCB are below 12 GHz, which facilitates fabrication and enables a design with low-cost substrates. The MMIC comprises a phase noise optimized architecture with a fully integrated on-chip frequency synthesizer. Due to partly uncorrelated phase noise between the frequency synthesizer components, the noise level is increased in bistatic radar measurements between two different MMICs, which is explained by a thorough phase noise analysis. Time-division multiplexing is used to realize a multiple-input multiple-output system with a virtual array of 64 elements and an angular resolution better than 1.5 • for the designed array. The positioning tolerances of the MMICs are included into the design resulting in a robust array design. The high-resolution radar performance is proven by imaging radar measurements of two exemplary scenarios.

show abstract

“…The MMIC used for the multi-channel imaging radar is described in [7]. The architecture is optimized for low PN in a single channel radar measurement.…”

Section: A Rf System Architecturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High-Resolution 160-GHz Imaging MIMO Radar Using MMICs With On-Chip Frequency Synthesizers

Dürr

Schwarz

Häfner

et al. 2019

IEEE Trans. Microwave Theory Techn.

Self Cite

View full text Add to dashboard Cite

show abstract

“…. According to (1), the beam direction is frequency dependent and can be changed with the periodicity d of the perturbations. With increasing frequency, the beam moves from backward direction to forward direction.…”

Section: Antenna Fundamentalsmentioning

confidence: 99%

“…Frequencies above 100 GHz have attracted strong interest in the last years for radar applications [1] as well as for highspeed data communication [2]. For these frequencies antenna design becomes a challenging topic.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A flexible dielectric leaky-wave antenna at 160 GHz

Geiger¹,

Hitzler²,

Waldschmidt³

2017

2017 47th European Microwave Conference (EuMC)

Self Cite

View full text Add to dashboard Cite

Abstract-Flexible antennas provide the opportunity to place them on bent or moving surfaces. For leaky-wave antennas the mechanical flexibility offers a second possibility to modify the beam direction besides the frequency scanning property. This paper presents a leaky-wave antenna with a tapered metalized grating on flexible high density polyethylene in the frequency range from 140 GHz to 175 GHz. The high efficiency antenna was investigated with numerical calculations and a full wave simulation. The fabricated antenna has a scanning range of 20• and the measured gain is between 16.5 dBi and 17.5 dBi. A bend in the antenna structure affects its properties and increases the sidelobe level and the angular width.

show abstract

Machine Learning‐Based Solution for Thermomechanical Analysis of MMIC Packaging

Kang

Lee

Kim

et al. 2022

Adv Materials Technologies

View full text Add to dashboard Cite

Thermo-mechanical analysis of monolithic microwave integrated circuit (MMIC) packaging is essential to guarantee the reliability of radio frequency/microwave applications. However, a method for fast and accurate analysis of MMIC packaging structures has not been developed. Here, we demonstrate a machine learning (ML)-based solution for thermo-mechanical analysis of MMIC packaging. This MLbased solution analyzes temperature and thermal stresses considering 13 design parameters categorized into material properties, geometric characteristics, and thermal boundary conditions. Finite element simulation with the Monte Carlo method is utilized to prepare 40,000 data samples for supervised learning and validation of the ML solution, and a laser-assisted thermal experiment veri es the accuracy of the simulation. After data preparation, regression tree ensemble and arti cial neural network (ANN) learning models are investigated. The results indicate that the ANN models accurately predict the temperature and thermal stresses, showing a 1.69 % minimum error. Finally, the developed ML solution is deployed as a web application format for facile approaches. We believe that this study will provide a guideline for developing ML-based solutions in chip packaging design technology.

show abstract

Ultracompact 160-GHz FMCW Radar MMIC With Fully Integrated Offset Synthesizer

Cited by 54 publications

References 22 publications

High-Resolution 160-GHz Imaging MIMO Radar Using MMICs With On-Chip Frequency Synthesizers

High-Resolution 160-GHz Imaging MIMO Radar Using MMICs With On-Chip Frequency Synthesizers

A flexible dielectric leaky-wave antenna at 160 GHz

Machine Learning‐Based Solution for Thermomechanical Analysis of MMIC Packaging

Contact Info

Product

Resources

About