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Hybrid analog and digital BeamForming (HBF) is one of the enabling transceiver technologies for millimeter Wave (mmWave) Multiple Input Multiple Output (MIMO) systems. This technology offers highly directional communication, which is able…

信息论 · 计算机科学 2021-01-19 George C. Alexandropoulos , Ioanna Vinieratou , Mattia Rebato , Luca Rose , Michele Zorzi

Millimeter Waves (mmWave) systems have the potential of enabling multi-gigabit-per-second communications in future Intelligent Transportation Systems (ITSs). Unfortunately, because of the increased vehicular mobility, they require frequent…

网络与互联网体系结构 · 计算机科学 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

This study examines analog beamforming designs utilizing multi-panel arrays for millimeter-wave (mmWave) communication systems under stochastic path blockages where each panel is an integrated circuit that includes power amplifiers, a…

信号处理 · 电气工程与系统科学 2025-03-10 Kanta Terui , Kabuto Arai , Koji Ishibashi

Large antenna arrays and millimeter-wave (mmWave) frequencies have been attracting growing attention as possible candidates to meet the high requirements of future 5G mobile networks. In view of the large path loss attenuation in these…

网络与互联网体系结构 · 计算机科学 2018-02-06 Mattia Rebato , Laura Resteghini , Christian Mazzucco , Michele Zorzi

The capability of smarter networked devices to dynamically select appropriate radio connectivity options is especially important in the emerging millimeter-wave (mmWave) systems to mitigate abrupt link blockage in complex environments. To…

网络与互联网体系结构 · 计算机科学 2024-10-30 Vitaly Petrov , Dmitri Moltchanov , Sergey Andreev , Robert W. Heath

The key obstacle to achieving the full potential of the millimeter wave (mmWave) band has been the poor propagation characteristics of wireless signals in this band. One approach to overcome this issue is to use antennas that can support…

信号处理 · 电气工程与系统科学 2017-10-25 Mojtaba Ahmadi Almasi , Hani Mehrpouyan , Vida Vakilian , Nader Behdad , Hamid Jafarkhani

Communication and video capture from unmanned aerial vehicles (UAVs) offer significant potential for assisting first responders in remote public safety settings. In such uses, millimeter wave (mmWave) wireless links can provide high…

信号处理 · 电气工程与系统科学 2020-05-15 William Xia , Michele Polese , Marco Mezzavilla , Giuseppe Loianno , Sundeep Rangan , Michele Zorzi

The millimeter-wave (mmWave) communication technology, which employs large-scale antenna arrays, enables inherent sensing capabilities. Simultaneous localization and mapping (SLAM) can utilize channel multipath angle estimates to realize…

信息论 · 计算机科学 2023-07-18 Hang Que , Jie Yang , Chao-Kai Wen , Shuqiang Xia , Xiao Li , Shi Jin

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

Accurately aligning millimeter-wave (mmWave) and terahertz (THz) narrow beams is essential to satisfy reliability and high data rates of 5G and beyond wireless communication systems. However, achieving this objective is difficult,…

信息论 · 计算机科学 2023-08-22 Tawfik Osman , Gouranga Charan , Ahmed Alkhateeb

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

In this paper, we propose a new beam allocation strategy aiming to maximize the average successful tracking probability (ASTP) of time-varying millimeter-wave MIMO systems. In contrast to most existing works that employ one…

信号处理 · 电气工程与系统科学 2019-07-02 Deyou Zhang , Ang Li , He Chen , Ning Wei , Ming Ding , Yonghui Li , Branka Vucetic

The surge in mobile broadband data demands is expected to surpass the available spectrum capacity below 6 GHz. This expectation has prompted the exploration of millimeter wave (mm-wave) frequency bands as a candidate technology for next…

信息论 · 计算机科学 2017-12-21 Yahia Shabara , C. Emre Koksal , Eylem Ekici

The large spectrum available in the millimeter-Wave (mmWave) band has emerged as a promising solution for meeting the huge capacity requirements of the 5th generation (5G) wireless networks. However, to fully harness the potential of mmWave…

信息论 · 计算机科学 2018-03-28 Mojtaba Ahmadi Almasi , Hani Mehrpouyan , Vida Vakilian , Nader Behdad , Hamid Jafarkhani

The best beam steering directions are estimated through beam training, which is one of the most important and challenging tasks in millimeter-wave and sub-terahertz communications. Novel array architectures and signal processing techniques…

信号处理 · 电气工程与系统科学 2020-07-20 Veljko Boljanovic , Han Yan , Chung-Ching Lin , Soumen Mohapatra , Deukhyoun Heo , Subhanshu Gupta , Danijela Cabric

Millimeter wave (mmWave) bands are considered a powerful key enabler for next generation (5G) mobile networks by providing multi-Gbps data rates. However, their severe pathloss and sensitivity to blockage present challenges in practical…

信息论 · 计算机科学 2020-01-17 Xiaoshen Song , Giuseppe Caire

Integrating efficient connectivity, positioning and sensing functionalities into 5G New Radio (NR) and beyond mobile cellular systems is one timely research paradigm, especially at mm-wave and sub-THz bands. In this article, we address the…

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

Beam training of 802.11 ad is a technology that helps accelerate the analog weighting vector (AWV) selection process under the constraint of the existing code-book for AWV. However, 5G milli-meter wave (mmWave)…

信息论 · 计算机科学 2022-11-30 Lyutianyang Zhang , Sumit Roy

5G millimeter wave (mmWave) technology is envisioned to be an integral part of next-generation vehicle-to-everything (V2X) networks and autonomous vehicles due to its broad bandwidth, wide field of view sensing, and precise localization…

信号处理 · 电气工程与系统科学 2018-08-06 Chethan Kumar Anjinappa , Ismail Guvenc