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The speed at which millimeter-Wave (mmWave) channel estimation can be carried out is critical for the adoption of mmWave technologies. This is particularly crucial because mmWave transceivers are equipped with large antenna arrays to combat…

信息论 · 计算机科学 2021-04-12 Yahia Shabara , Eylem Ekici , C. Emre Koksal

With millimeter wave wireless communications, the resulting radiation reflects on most visible objects, creating rich multipath environments, namely in urban scenarios. The radiation captured by a listening device is thus shaped by the…

信号处理 · 电气工程与系统科学 2018-04-12 João Gante , Gabriel Falcão , Leonel Sousa

The availability of large bandwidth at millimeter wave (mmWave) frequencies is one of the major factors that rendered very high frequencies a promising candidate enabler for fifth generation (5G) mobile communication networks. To confront…

信息论 · 计算机科学 2016-10-04 George C. Alexandropoulos , Symeon Chouvardas

Millimeter wave (mmWave) localization algorithms exploit the quasi-optical propagation of mmWave signals, which yields sparse angular spectra at the receiver. Geometric approaches to angle-based localization typically require to know the…

网络与互联网体系结构 · 计算机科学 2022-05-23 Anish Shastri , Joan Palacios , Paolo Casari

The terahertz frequency band, ranging from 0.1 to 10 THz, offers extensive spectral resources for next-generation wireless communication systems. To compensate for the limited transmission power of terahertz transceivers and the significant…

应用物理 · 物理学 2025-03-31 Mingxiang Li , Josep M. Jornet , Daniel M. Mittleman , Chong Han

Wireless connectivity in airplanes is becoming more important, demanded, and common. One of the largest bottlenecks with the in-flight Internet is that the airplane is far away from both the satellites and the ground base stations during…

信号处理 · 电气工程与系统科学 2020-09-30 J. Kokkoniemi , J. M. Jornet , V. Petrov , E. Koucheryavy , M. Juntti

Terahertz (THz) communications have emerged as a key technology for escalating data rates in future generation wireless networks. However, severe propagation losses at THz frequencies pose significant challenges, which can be mitigated via…

Millimeter wave (mmWave) and massive MIMO systems are intrinsic components of 5G and beyond. These systems rely on using beamforming codebooks for both initial access and data transmission. Current beam codebooks, however, generally consist…

信号处理 · 电气工程与系统科学 2020-06-26 Muhammad Alrabeiah , Yu Zhang , Ahmed Alkhateeb

Millimeter-wave (mm-wave) communication is a key technology for future wireless networks. To combat significant path loss and exploit the abundant mm-wave spectrum, effective beamforming is crucial. Nevertheless, conventional fully digital…

信号处理 · 电气工程与系统科学 2019-12-05 Jun Zhang , Xianghao Yu , Khaled B. Letaief

Millimeter wave (mmWave) communication links for 5G cellular technology require high beamforming gain to overcome channel impairments and achieve high throughput. While much work has focused on estimating mmWave channels and designing…

信号处理 · 电气工程与系统科学 2020-01-08 Stephen G. Larew , David J. Love

With the fifth-generation (5G) mobile networks being actively standardized and deployed, many new vehicular communications technologies are developed to support and enrich various application scenarios. Unmanned aerial vehicle (UAV) enabled…

信号处理 · 电气工程与系统科学 2018-10-17 Yiming Huo , Xiaodai Dong

Using millimeter-wave (mmWave) bands is expected to provide high data rates through large licensed and unlicensed spectrum. Due to large path loss and sparse scattering propagation properties, proper beam alignment is important in mmWave…

信号处理 · 电气工程与系统科学 2022-06-28 Hyeongtaek Lee , Sucheol Kim , Junil Choi

With growing interest in mmWave connectivity for UAVs, a basic question is whether networks intended for terrestrial users can provide sufficient aerial coverage as well. To assess this possibility, the paper proposes a novel evaluation…

信号处理 · 电气工程与系统科学 2021-05-20 Seongjoon Kang , Marco Mezzavilla , Angel Lozano , Giovanni Geraci , William Xia , Sundeep Rangan , Vasilii Semkin , Giuseppe Loianno

Communication in Millimeter wave (mmWave) band relies on narrow beams due to directionality, high path loss, and shadowing. One can use beam alignment (BA) techniques to find and adjust the direction of these narrow beams. In this paper, BA…

信息论 · 计算机科学 2022-01-19 Abbas Khalili , Shahram Shahsavari , Mohammad A. Amir Khojastepour , Elza Erkip

Configuring millimeter wave links following a conventional beam training protocol, as the one proposed in the current cellular standard, introduces a large communication overhead, specially relevant in vehicular systems, where the channels…

信号处理 · 电气工程与系统科学 2022-01-14 Andrew Graff , Yun Chen , Nuria González-Prelcic , Takayuki Shimizu

The integration of unmanned aerial vehicles (UAVs) and millimeter wave (mmWave) wireless systems has been recently proposed to provide high data rate aerial links for next generation wireless networks. However, establishing UAV-based mmWave…

信号处理 · 电气工程与系统科学 2019-05-07 Mohammad Taghi Dabiri , Hossein Safi , Saeedeh Parsaeefard , Walid Saad

Recently, there has been considerable interest in new tiered network cellular architectures, which would likely use many more cell sites than found today. Two major challenges will be i) providing backhaul to all of these cells and ii)…

信息论 · 计算机科学 2016-11-15 Sooyoung Hur , Taejoon Kim , David J. Love , James V. Krogmeier , Timothy A. Thomas , Amitava Ghosh

The use of Millimeter-wave (mmWave) spectrum in cellular communications has recently attracted growing interest to support the expected massive increase in traffic demands. However, the high path-loss at mmWave frequencies poses severe…

信号处理 · 电气工程与系统科学 2019-07-08 Alberto Perez , Abdurrahman Fouda , Ahmed S. Ibrahim

Millimeter Wave (MmWave) communication is one of the key technology of the fifth generation (5G) wireless systems to achieve the expected 1000x data rate. With large bandwidth at mmWave band, the link capacity between users and base…

信号处理 · 电气工程与系统科学 2019-03-19 Mingjie Feng , Shiwen Mao

We survey the current state of millimeterwave (mmWave) radar applications in robotics with a focus on unique capabilities, and discuss future opportunities based on the state of the art. Frequency Modulated Continuous Wave (FMCW) mmWave…

机器人学 · 计算机科学 2024-10-29 Kyle Harlow , Hyesu Jang , Timothy D. Barfoot , Ayoung Kim , Christoffer Heckman
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