A 140GHz Two-Channel CMOS Transmitter Using Low-Cost Packaging Technologies

Simsek, Arda; Ahmed, Ahmed S. H.; Farid, Ali A.; Soylu, Utku; Rodwell, M.J.W.

doi:10.1109/wcncw48565.2020.9124890

Cited by 11 publications

(4 citation statements)

References 10 publications

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“…Commercial adaptation of experimental solutions proposed in [257]- [259] can possibly accelerate the process. Another experimental demonstration in [260] consists of transceiver arrays with 8 parallel channels at 140 GHz that can be used either in digital MIMO configuration or in hybrid beamforming architecture in conjunction with an analog antenna array. • Capability to handle large BW of the order of several GHz or maybe even THz.…”

Section: A Challenges In Channel Soundingmentioning

confidence: 99%

THz Channel Sounding and Modeling Techniques: An Overview

Ghosh

Kim

2023

IEEE Access

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As the world warms up to the idea of millimeter wave (mmWave) communication and fifth generation (5G) mobile networks, realization slowly dawns that the data rate, latency, throughput, and other performance metrics that are used to assess a new wireless communication technology will not be enough to support the demands of envisioned futuristic applications. Thus there is an eagerness to further climb up the frequency ladder to use the large swathes of available spectrum in the 0.1 − 10 THz band which is expected to act as the key technology enabler to fulfill the requirements of the sixth generation (6G) wireless communication and possibly even beyond. Channel measurement and modeling are crucial to the design and deployment of future wireless communication systems and researchers across the world are putting their best foot forward to accelerate the process. The present article presents comprehensive assimilation of research efforts in the context of THz channel sounding. A detailed overview of the current channel sounding techniques is first introduced followed by their relevance to THz band channel measurement. An in-house novel channel sounder developed for THz band measurement is also briefly introduced in this context. The paper next provides elaborate dissemination of various measurement campaigns in the band of interest followed by the modeling techniques that are available in the literature and are being adopted for the THz band. Post the description of different challenges and future research directions in the context of sounding, measurement, and modeling the article is concluded.

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Section: A Challenges In Channel Soundingmentioning

confidence: 99%

THz Channel Sounding and Modeling Techniques: An Overview

Ghosh

Kim

2023

IEEE Access

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“…Typical wires have a diameter between 10-75 µm and high-power applications may deploy several parallel wirebonds. In the standard routine of wirebonds, the wire is almost perpendicular to the pads at one of the ends which leads to extra length of the wire and introduces large values of self-inductance [44], [45], [46]. The self-inductance associated with the wirebonds can range from few hundred pH to few nH, which translates to substantial reactance at higher frequencies.…”

Section: A Wirebond Connectivity Between Chip and Antennamentioning

confidence: 99%

Broadband Antenna Design for Terahertz Communication Systems

Maktoomi¹,

Saadat²,

Momeni

et al. 2023

IEEE Access

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This paper provides an overview of broadband terahertz antenna elements and arrays for integrated communication systems. The fundamental challenges of integrated on-chip and off-chip antenna design, the trade-offs between performance metrics, and the impact of interface between the chip and off-chip antennas are studied in detail. The limitations and benefits of various interface technologies are discussed. The deployment of printed circuit boards (PCB) and flexible printed circuits (FPC) technologies for implementation of efficient broadband antennas is compared against on-chip counterparts. As a proof of concept, an off-chip antenna for the 91-134 GHz is presented.

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“…‚ Beamforming antenna arrays: These can be either fixed or dynamic, and can be built either with traditional metals or by leveraging new nanomaterials. For example, on the one hand, metallic antenna arrays utilized in conjunction with electronic front-ends have been demonstrated at frequencies under 300 GHz [44], [80], [81] with up to 16 controllable elements. On the other hand, in conjunction with plasmonic front-ends, very large graphene-based plasmonic antenna arrays with up to 1,024 elements have been proposed [70], [71], [82].…”

Section: Intelligent Antenna Systems In Transmission Reception and Re...mentioning

confidence: 99%

“…To both increase the transmission power as well as to enable mobile THz networking, electronic arrays are being intensively explored. For example, transceiver arrays with 8 parallel channels at 140 GHz have been experimentally demonstrated [44], [45]. Each channel can be utilized to drive independent on-chip antennas in a fully digital MIMO approach or in conjunction with analog antenna arrays to implement hybrid beamforming architectures (Sec.…”

mentioning

confidence: 99%

TeraHertz Band Communication: An Old Problem Revisited and Research Directions for the Next Decade

Akyildiz¹,

Han²,

Hu³

et al. 2021

Preprint

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TeraHertz (THz) band communications are envisioned as a key technology for 6G and Beyond. As a fundamental wireless infrastructure, THz communication can boost abundant promising applications. In 2014, our team published two comprehensive roadmaps for the development and progress of THz communication networks [1], [2], which helped the research community to start research on this subject afterwards. In particular, this topic became very important and appealing to the research community due to 6G wireless systems design and development in recent years. Many papers are getting published covering different aspects of wireless systems using the THz band. With this paper, our aim is looking back to the last decade and revisiting the old problems and pointing out what has been achieved in the research community so far. Furthermore, in this paper still to be investigated new research challenges for the THz band communication systems are presented by covering diverse subtopics such as from perspectives of devices, channel behavior, communication and networking problems, physical testbeds and demonstration systems. The key aspects presented in this paper will enable THz communications as a pillar of 6G and Beyond wireless systems in the next decade.

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A 140GHz Two-Channel CMOS Transmitter Using Low-Cost Packaging Technologies

Cited by 11 publications

References 10 publications

THz Channel Sounding and Modeling Techniques: An Overview

THz Channel Sounding and Modeling Techniques: An Overview

Broadband Antenna Design for Terahertz Communication Systems

TeraHertz Band Communication: An Old Problem Revisited and Research Directions for the Next Decade

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