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The next generations of vehicles will require data transmission rates in the order of terabytes per driving hour, to support advanced automotive services. This unprecedented amount of data to be exchanged goes beyond the capabilities of…

网络与互联网体系结构 · 计算机科学 2018-03-06 Marco Giordani , Mattia Rebato , Andrea Zanella , Michele Zorzi

Millimeter-wave communication is a challenge in the highly mobile vehicular context. Traditional beam training is inadequate in satisfying low overheads and latency. In this paper, we propose to combine machine learning tools and…

信息论 · 计算机科学 2018-05-24 Yuyang Wang , Murali Narasimha , Robert W. Heath

Millimeter wave (mmWave) cellular systems will enable gigabit-per-second data rates thanks to the large bandwidth available at mmWave frequencies. To realize sufficient link margin, mmWave systems will employ directional beamforming with…

信息论 · 计算机科学 2015-06-18 Ahmed Alkhateeb , Omar El Ayach , Geert Leus , Robert W. Heath

In this paper, we propose an efficient beam training technique for millimeter-wave (mmWave) communications. When some mobile users are under high mobility, the beam training should be performed frequently to ensure the accurate acquisition…

信息论 · 计算机科学 2018-10-09 Sun Hong Lim , Jisu Bae , Sunwoo Kim , Byonghyo Shim , Jun Won Choi

Millimeter-wave (mmwave) communication represents a potential solution to capacity shortage in vehicular networks. However, effective beam alignment between senders and receivers requires accurate knowledge of the vehicles' position for…

网络与互联网体系结构 · 计算机科学 2020-05-21 Zana Limani , Francesco Malandrino , Carla Fabiana Chiasserini , Alessandro Nordio

Huge overhead of beam training poses a significant challenge to mmWave communications. To address this issue, beam tracking has been widely investigated whereas existing methods are hard to handle serious multipath interference and…

信号处理 · 电气工程与系统科学 2021-02-09 Ke Ma , Dongxuan He , Hancun Sun , Zhaocheng Wang

The millimeter wave (mmWave) frequency band is seen as a key enabler of multi-gigabit wireless access in future cellular networks. In order to overcome the propagation challenges, mmWave systems use a large number of antenna elements both…

信息论 · 计算机科学 2015-07-14 Hossein Shokri-Ghadikolaei , Carlo Fischione , Gabor Fodor , Petar Popovski , Michele Zorzi

Millimeter wave (mmWave) communication is expected to play an important role in next generation cellular networks, aiming to cope with the bandwidth shortage affecting conventional wireless carriers. Using side-information has been proposed…

信号处理 · 电气工程与系统科学 2017-11-09 Flavio Maschietti , David Gesbert , Paul de Kerret

Millimeter-wave (mmWave) and terahertz (THz) communication systems require large antenna arrays and use narrow directive beams to ensure sufficient receive signal power. However, selecting the optimal beams for these large antenna arrays…

信息论 · 计算机科学 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

In this paper, we studied the problem of beam alignment for millimeter wave (mmWave) communications, in which we assume a hybrid analog and digital beamforming structure is employed at the transmitter (i.e. base station), and an…

信息论 · 计算机科学 2019-09-04 Xingjian Li , Jun Fang , Huiping Duan , Zhi Chen , Hongbin Li

Millimeter-wave (mmWave) communication is a promising solution to the high data rate demands in the upcoming 5G and beyond communication networks. When it comes to supporting seamless connectivity in mobile scenarios, resource and handover…

信号处理 · 电气工程与系统科学 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

Millimeter wave communication systems can leverage information from sensors to reduce the overhead associated with link configuration. LIDAR (light detection and ranging) is one sensor widely used in autonomous driving for high resolution…

信号处理 · 电气工程与系统科学 2020-01-14 Aldebaro Klautau , Nuria González-Prelcic , Robert W. Heath

The performance of millimeter-wave (mmWave) and sub-terahertz (sub-THz) communication systems is significantly impaired by sensitivity to sudden blockages. In this work, we employ machine learning (ML) and our physics-based simulation tool…

信号处理 · 电气工程与系统科学 2025-09-03 Roghieh Mahdavihaji , Alexandra Duel-Hallen , Hans Hallen

Millimeter-wave (mmWave) systems use directional beams to support high-rate data communications. Small misalignment between the transmit and receive beams (e.g., due to the mobility) can result in significant drop of the received signal…

信号处理 · 电气工程与系统科学 2018-02-13 Dalin Zhu , Junil Choi , Qian Cheng , Weimin Xiao , Robert W. Heath

The millimeter-wave (mmWave) frequencies have attracted considerable attention for fifth generation (5G) cellular communication as they offer orders of magnitude greater bandwidth than current cellular systems. However, the medium access…

网络与互联网体系结构 · 计算机科学 2016-08-23 Sourjya Dutta , Marco Mezzavilla , Russell Ford , Menglei Zhang , Sundeep Rangan , Michele Zorzi

Augmented and virtual reality systems (AR/VR) are rapidly becoming key components of the wireless landscape. For immersive AR/VR experience, these devices should be able to construct accurate depth perception of the surrounding environment.…

信号处理 · 电气工程与系统科学 2021-02-16 Abdelrahman Taha , Qi Qu , Sam Alex , Ping Wang , William L. Abbott , Ahmed Alkhateeb

Perfect alignment in chosen beam sectors at both transmit- and receive-nodes is required for beamforming in mmWave bands. Current 802.11ad WiFi and emerging 5G cellular standards spend up to several milliseconds exploring different sector…

信号处理 · 电气工程与系统科学 2021-02-16 Batool Salehi , Mauro Belgiovine , Sara Garcia Sanchez , Jennifer Dy , Stratis Ioannidis , Kaushik Chowdhury

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) technology is pivotal for next-generation wireless networks, enabling high-data-rate and low-latency applications such as autonomous vehicles and XR streaming. However, maintaining directional mmWave links in…

信号处理 · 电气工程与系统科学 2024-07-15 Ish Kumar Jain , Suriyaa MM , Dinesh Bharadia

Millimeter wave (mmWave) bands have been utilized for the fifth generation (5G) communication systems and will no doubt continue to be deployed for beyond 5G (B5G). However, the underlying channels are not fully investigated at…

信号处理 · 电气工程与系统科学 2020-07-29 Jie Huang , Cheng-Xiang Wang , Hengtai Chang , Jian Sun , Xiqi Gao