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

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Millimeter wave (mmW) frequencies between 30 and 300 GHz are a new frontier for cellular communication that offers the promise of orders of magnitude greater bandwidths combined with further gains via beamforming and spatial multiplexing…

网络与互联网体系结构 · 计算机科学 2014-04-29 Sundeep Rangan , Theodore S. Rappaport , Elza Erkip

Non-line-of-sight (NLOS) imaging is based on capturing the multi-bounce indirect reflections from the hidden objects. Active NLOS imaging systems rely on the capture of the time of flight of light through the scene, and have shown great…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Jiayong Peng , Fangzhou Mu , Ji Hyun Nam , Siddeshwar Raghavan , Yin Li , Andreas Velten , Zhiwei Xiong

The availability of large unused spectrum at millimeter wave (mmWave) frequency bands has steered the future 5G research towards these bands. However, mmWave signals are attenuated severely in the non-lineof-sight (NLOS) scenarios, thereby…

信号处理 · 电气工程与系统科学 2018-11-20 Wahab Ali Gulzar Khawaja , Ozgur Ozdemir , Fatih Erden , Ismail Guvenc , Martins Ezuma , Yuichi Kakishima

In unmanned aerial vehicle (UAV) assisted millimeter wave (mmWave) communication, appropriate user-UAV association is crucial for improving system performance. In mmWave communication, user throughput largely depends on the line of sight…

网络与互联网体系结构 · 计算机科学 2025-05-26 Siddhanta Parial , Sasthi C. Ghosh , Anil K. Ghosh

Non-line-of-sight (NLOS) imaging is an emerging technique for detecting objects behind obstacles or around corners. Recent studies on passive NLOS mainly focus on steady-state measurement and reconstruction methods, which show limitations…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Conghe Wang , Yutong He , Xia Wang , Honghao Huang , Changda Yan , Xin Zhang , Hongwei Chen

We investigate the problem of wireless beam tracking on mmWave bands with the assistance of camera images. In particular, based on the user's beam indices used and camera images taken in the trajectory, we predict the optimal beam indices…

机器学习 · 计算机科学 2021-10-01 Yu Tian , Chenwei Wang

Accurate channel model and channel estimation are essential to empower extremely large-scale MIMO (XL-MIMO) in 6G networks with ultra-high spectral efficiency. With the sharp increase in the antenna array aperture of the XL-MIMO scenario,…

信息论 · 计算机科学 2023-04-25 Yu Lu , Linglong Dai

The fifth-generation (5G) wireless communication is useful for positioning due to its large bandwidth and low cost. However, the presence of obstacles that block the line-of-sight (LOS) path between devices would affect localization…

信号处理 · 电气工程与系统科学 2022-08-17 Jiankun Zhang , Hao Wang

This paper presents a method, namely mmTracking, for device trajectory tracking in a millimeter wave (mmWave) communication system. In mmTracking, the base station (BS) relies on one line-of-sight (LoS) path and at least two…

信号处理 · 电气工程与系统科学 2025-03-24 Cheng Lin , Chao Yu , Xiaowei Xu , Rui Wang

The rapid growth of global data traffic is accelerating the need for ultra-broadband communication technologies, particularly in cloud infrastructure and emerging 6G wireless systems. Optical computing and quantum information processing…

Ultra-wideband (UWB) is the state-of-the-art and most popular technology for wireless localization. Nevertheless, precise ranging and localization in non-line-of-sight (NLoS) conditions is still an open research topic. Indeed, multipath…

机器学习 · 计算机科学 2021-05-06 Simone Angarano , Vittorio Mazzia , Francesco Salvetti , Giovanni Fantin , Marcello Chiaberge

Exploiting the millimeter wave (mmWave) band has recently attracted considerable attention as a potential solution to widespread deployment of device-to-device (D2D) communication challenges, namely, spectrum scarcity and interference.…

信号处理 · 电气工程与系统科学 2019-06-17 Niloofar Bahadori , Nima Namvar , Brian Kelley , Abdollah Homaifar

The commercial availability of low-cost millimeter wave (mmWave) communication and radar devices is starting to improve the penetration of such technologies in consumer markets, paving the way for large-scale and dense deployments in…

网络与互联网体系结构 · 计算机科学 2022-05-26 Anish Shastri , Neharika Valecha , Enver Bashirov , Harsh Tataria , Michael Lentmaier , Fredrik Tufvesson , Michele Rossi , Paolo Casari

With the emergence of simultaneous localization and communication (SLAC), it becomes more and more attractive to perform angle of departure (AoD) estimation at the receiving Internet of Thing (IoT) user end for improved positioning…

信号处理 · 电气工程与系统科学 2025-04-22 Jiaying Li , Yuanwei Liu , Hong Xing

Accurate outdoor localization in Non-Line-of-Sight (NLoS) environments remains a critical challenge for wireless communication and sensing systems. Existing methods, including positioning based on the Global Navigation Satellite System…

系统与控制 · 电气工程与系统科学 2026-02-11 Jiajie Xu , Yifan Guo , Xiucheng Wang , Nan Cheng , Tingting Yang

In this paper, we study low-complexity algorithms for beam and channel tracking for millimeter-wave (mmWave) communications. In particular, the least mean squares (LMS) and bidirectional LMS (BiLMS) algorithms are derived for a mobile…

信息论 · 计算机科学 2018-12-21 Yavuz Yapici , Ismail Guvenc

Beamforming is an indispensable feature for millimeter wave (mmWave) wireless communications in order to compensate for the severe path loss incurred due to high frequency operation. In this paper, we introduce a novel framework to evaluate…

信息论 · 计算机科学 2017-11-27 Rakesh RT , Debarati Sen , Goutam Das

Wireless transfer of information is the basis of modern communication. It includes cellular, WiFi, Bluetooth and GPS systems, all of which use electromagnetic radio waves with frequencies ranging from typically 100 MHz to a few GHz.…

应用物理 · 物理学 2017-10-03 Joseph A Boales , Farrukh Mateen , Pritiraj Mohanty

Millimeter wave (mmWave) and sub-terahertz communication systems rely mainly on line-of-sight (LOS) links between the transmitters and receivers. The sensitivity of these high-frequency LOS links to blockages, however, challenges the…

信号处理 · 电气工程与系统科学 2021-11-30 Umut Demirhan , Ahmed Alkhateeb

Ultrawideband (UWB) technology has attracted a lot of attention for indoor and outdoor positioning systems due to its high accuracy and robustness in non-line-of-sight (NLOS) environments. However, UWB signals are affected by multipath…

信号处理 · 电气工程与系统科学 2023-08-16 Mohammed Dahiru Buhari , Tri Bagus Susilo , Irfan Khan , Bashir Olaniyi Sadiq