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相关论文: An NLoS-based Enhanced Sensing Method for MmWave C…

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The accuracy of traditional localization methods significantly degrades when the direct path between the wireless transmitter and the target is blocked or non-penetrable. This paper proposes N2LoS, a novel approach for precise…

信号处理 · 电气工程与系统科学 2025-05-14 Zhenguo Shi , Yihe Yan , Yanxiang Wang , Wen Hu , Chun Tung Chou

In this work, we propose a novel approach for high accuracy user localization by merging tools from both millimeter wave (mmWave) imaging and communications. The key idea of the proposed solution is to leverage mmWave imaging to construct a…

信息论 · 计算机科学 2018-11-20 Mohammed Aladsani , Ahmed Alkhateeb , Georgios C. Trichopoulos

One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

信号处理 · 电气工程与系统科学 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

The millimeter wave (mmWave) bands have attracted considerable attention for high precision localization applications due to the ability to capture high angular and temporal resolution measurements. This paper explores mmWave-based…

Wireless positioning in Non-Line-of-Sight (NLoS) scenarios presents significant challenges due to multipath effects that lead to biased measurements and reduced positioning accuracy. This paper revisits electromagnetic field theory related…

信号处理 · 电气工程与系统科学 2025-04-04 Gaurav Duggal , R. Michael Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

One rarely addressed direction in the context of Integrated Sensing and Communication (ISAC) is non-line-of-sight (NLOS) sensing, with the potential to enable use cases like intrusion detection and to increase the value that wireless…

信号处理 · 电气工程与系统科学 2024-08-01 Paolo Tosi , Marcus Henninger , Lucas Giroto de Oliveira , Silvio Mandelli

The future 5G networks are expected to use millimeter wave (mmWave) frequency bands to take advantage of large unused spectrum. However, due to the high path loss at mmWave frequencies, coverage of mmWave signals can get severely reduced,…

信号处理 · 电气工程与系统科学 2019-05-14 Wahab Khawaja , Ozgur Ozdemir , Yavuz Yapici , Fatih Erden , Martins Ezuma , Ismail Guvenc

Device-free Wi-Fi sensing has numerous benefits in practical settings, as it eliminates the requirement for dedicated sensing devices and can be accomplished using current low-cost Wi-Fi devices. With the development of Wi-Fi standards,…

信号处理 · 电气工程与系统科学 2025-06-16 Wenbo Ding , Yang Li , Dongsheng Wang , Bin Zhao , Yunrong Zhu , Yibo Zhang , Yumeng Miao

One primary focus of next generation wireless communication networks is the millimeterwave (mmWave) spectrum, typically considered in the 30 GHz to 300 GHz frequency range. Despite their promise of high data rates, mmWaves suffer from…

网络与互联网体系结构 · 计算机科学 2025-07-01 Shawon Mitra , Subhojit Sarkar , Sasthi C. Ghosh

Millimeter wave (mmWave) communications which essentially employ directional antennas find applications spanning from indoor short range wireless personal area networks to outdoor cellular networks. A thorough understanding of mmWave signal…

信息论 · 计算机科学 2018-04-10 Rakesh R. T. , Debarati Sen , Goutam Das

This paper introduces an identification method that determines whether a millimeter-wave wireless transmission using directional antennas is being established over a line-of-sight (LOS) or a non-line-of-sight (NLOS) cluster for indoor…

信号处理 · 电气工程与系统科学 2024-02-27 Pengfei Lyu , Aziz Benlarbi-Delaï , Zhuoxiang Ren , Julien Sarrazin

Short range channels commonly arise in millimeter wave (mmWave) wearable settings, where the length of the antenna arrays can be comparable to the distance between the radios. Conventional mmWave MIMO channel estimation techniques based on…

信号处理 · 电气工程与系统科学 2019-06-24 Jarkko Kaleva , Nitin Jonathan Myers , Antti Tölli , Robert W. Heath

In future wireless communication systems, millimeter waves (mmWaves) will play an important role in meeting high data rates. However, due to their short wavelengths, these mmWaves present high propagation losses and are highly attenuated by…

网络与互联网体系结构 · 计算机科学 2025-01-16 Mbissane Dieng , Gheorghe Zaharia , Ghaïs El Zein , Raphaël Gillard , Renaud Loison

Pedestrians Localization in Non-Line-of-Sight (NLoS) regions within urban environments poses a significant challenge for autonomous driving systems. While mmWave radar has demonstrated potential for detecting objects in such scenarios, the…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Byeonggyu Park , Hee-Yeun Kim , Byonghyok Choi , Hansang Cho , Byungkwan Kim , Soomok Lee , Mingu Jeon , Seong-Woo Kim

An unknown-position sensor can be localized if there are three or more anchors making time-of-arrival (TOA) measurements of a signal from it. However, the location errors can be very large due to the fact that some of the measurements are…

信息论 · 计算机科学 2016-11-17 Hongyang Chen , Kenneth W. K. Lui , Zizhuo Wang , H. C. So , H. Vincent Poor

mm-waves are envisaged as key enabler for 5G and 6G wireless communications, thanks to the wider bandwidth and to the possibility of implementing large-scale antenna arrays and new advanced transmission techniques, such as massive MIMO and…

信号处理 · 电气工程与系统科学 2022-10-14 Leonardo Possenti , Marina Barbiroli , Enrico M. Vitucci , Franco Fuschini , Mattia Fosci , Vittorio Degli-Esposti

We consider channel/subspace tracking systems for temporally correlated millimeter wave (e.g., E-band) multiple-input multiple-output (MIMO) channels. Our focus is given to the tracking algorithm in the non-line-of-sight (NLoS) environment,…

信息论 · 计算机科学 2014-12-16 Jiguang He , Taejoon Kim , Hadi Ghauch , Kunpeng Liu , Guangjian Wang

The intrinsic geometric connections between millimeter-wave (mmWave) signals and the propagation environment can be leveraged for simultaneous localization and mapping (SLAM) in 5G and beyond networks. However, estimated channel parameters…

信号处理 · 电气工程与系统科学 2024-04-17 Ossi Kaltiokallio , Elizaveta Rastorgueva-Foi , Jukka Talvitie , Yu Ge , Henk Wymeersch , Mikko Valkama

High-rank line-of-sight (LOS) MIMO systems have attracted considerable attention for millimeter wave and THz communications. The small wavelengths in these frequencies enable spatial multiplexing with massive data rates at long distances.…

信号处理 · 电气工程与系统科学 2023-04-18 Yaqi Hu , Mingsheng Yin , Sundeep Rangan , Marco Mezzavilla

Millimeter-Wave (mmWave) (30-300 GHz) and D band (110-170 GHz) frequencies are poised to play a pivotal role in the advancement of sixth-generation (6G) systems and beyond with increased demand for greater bandwidth and capacity. This paper…

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