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Ad hoc networks provide an on-demand, infrastructure-free means to communicate between soldiers in war zones, aid workers in disaster areas, or consumers in device-to-device (D2D) applications. Unfortunately, ad hoc networks are limited by…

信息论 · 计算机科学 2016-11-15 Andrew Thornburg , Tianyang Bai , Robert W. Heath

Location information offered by external positioning systems, e.g., satellite navigation, can be used as prior information in the process of beam alignment and channel parameter estimation for reconfigurable intelligent surface (RIS)-aided…

信号处理 · 电气工程与系统科学 2021-03-30 Jiguang He , Henk Wymeersch , Markku Juntti

Due to the rapid densification of small cells in 5G and beyond cellular networks, deploying wired high-bandwidth connections to every small cell base station is difficult, particularly in older metropolitan areas where infrastructure for…

网络与互联网体系结构 · 计算机科学 2020-10-27 Yuchen Liu , Qiang Hu , Douglas M. Blough

Millimeter-wave (mmWave) cellular systems are power-limited and susceptible to blockages. As a result, mmWave connectivity will be likely to be intermittent. One promising approach to increasing mmWave connectivity and range is to use…

信息论 · 计算机科学 2015-10-09 Ning Wei , Xingqin Lin , Zhongpei Zhang

The millimeter-wave (mmWave)-based Wi-Fi sensing technology has recently attracted extensive attention since it provides a possibility to realize higher sensing accuracy. However, current works mainly concentrate on sensing scenarios where…

信息论 · 计算机科学 2022-10-11 Shiwen He , Kangli Cai , Shiyue Huang , Zhenyu Anz , Wei Huang , Ning Gao

In this work, we present a framework analysis of millimeter waves (mmWaves) vehicular communications systems. Communications between vehicles take place through a cooperative relay which acts as an intermediary base station (BS). The relay…

信息论 · 计算机科学 2020-10-26 Elyes Balti , Brian K. Johnson

Many operators have been bullish on the role of millimeter-wave (mmWave) communications in fifth-generation (5G) mobile broadband because of its capability of delivering extreme data speeds and capacity. However, mmWave comes with…

信号处理 · 电气工程与系统科学 2021-03-18 Wan-Ting Shih , Chao-Kai Wen , Shang-Ho , Tsai , Shi Jin

Millimeter-wave (mmW) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) for its ability to provide high accuracy location, velocity, and angle estimates of objects,…

信号处理 · 电气工程与系统科学 2022-10-10 Xiangyu Gao , Guanbin Xing , Sumit Roy , Hui Liu

Future railway is expected to accommodate both train operation services and passenger broadband services. The millimeter wave (mmWave) communication is a promising technology in providing multi-gigabit data rates to onboard users. However,…

信息论 · 计算机科学 2020-07-03 Meilin Gao , Bo Ai , Yong Niu , Wen Wu , Peng Yang , Feng Lyu , Xuemin , Shen

In this paper, a novel proactive computing and mmWave communication for ultra-reliable and low latency wireless virtual reality (VR is proposed. By leveraging information about users' poses, proactive computing and caching are used to…

信息论 · 计算机科学 2018-12-11 Mohammed S. Elbamby , Cristina Perfecto , Mehdi Bennis , Klaus Doppler

We propose a novel integrated sensing and communication (ISAC) system that leverages sensing to assist communication, ensuring fast initial access, seamless user tracking, and uninterrupted communication for millimeter wave (mmWave)…

信号处理 · 电气工程与系统科学 2024-03-15 Gui Zhou , Moritz Garkisch , Zhendong Peng , Cunhua Pan , Robert Schober

Gesture recognition is a pivotal technology in the realm of intelligent education, and millimeter-wave (mmWave) signals possess advantages such as high resolution and strong penetration capability. This paper introduces a highly accurate…

人机交互 · 计算机科学 2023-09-19 Qun Fang , YiHui Yan , GuoQing Ma

This paper develops a stochastic geometry-based approach for the modeling and analysis of finite millimeter wave (mmWave) wireless networks where a random number of transmitters and receivers are randomly located inside a finite region. We…

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

Millimeter wave (mmWave) band, or high frequencies such as THz, has large undeveloped band of spectrum. However, wireless channels over the mmWave band usually have one or two paths only due to the severe attenuation. The channel property…

信息论 · 计算机科学 2020-04-14 Xi Yang , Chao-Kai Wen , Shi Jin

The millimeter wave (mmWave) has received considerable interest due to its expansive bandwidth and high frequency. However, a noteworthy challenge arises from its vulnerability to blockages, leading to reduced coverage and achievable rates.…

Next generation communication systems require accurate beam alignment to counteract the impairments that characterize propagation in high-frequency bands. The overhead of the pilot sequences required to select the best beam pair is…

信号处理 · 电气工程与系统科学 2024-02-27 Tien Ngoc Ha , Daniel Romero , Roberto López-Valcarce

This paper presents a robust beam alignment technique for millimeter-wave communications in low signal-to-noise ratio (SNR) environments. The core strategy of our technique is to repeatedly transmit the most probable beam candidates to…

信息论 · 计算机科学 2023-12-05 Jihun Park , Yongjeong Oh , Jaewon Yun , Seonjung Kim , Yo-Seb Jeon

Rapid beam alignment is required to support high gain millimeter wave (mmW) communication links between a base station (BS) and mobile users (MU). The standard IEEE 802.11ad protocol enables beam alignment at the BS and MU through a lengthy…

信号处理 · 电气工程与系统科学 2022-09-12 Akanksha Sneh , Soumya Jain , V Sri Sindhu , Shobha Sundar Ram , Sumit Darak

Integrated sensing and communication (ISAC) has emerged as a promising technology to facilitate high-rate communications and super-resolution sensing, particularly operating in the millimeter wave (mmWave) band. However, the vulnerability…