中文
相关论文

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

200 篇论文

The fundamental limits of single-anchor multi-antenna positioning are investigated. Exploiting the structure of the multiple input-multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) channel at millimeter-wave…

This paper tackles the challenge of wideband MIMO channel estimation within indoor millimeter-wave scenarios. Our proposed approach exploits the integrated sensing and communication paradigm, where sensing information aids in channel…

信号处理 · 电气工程与系统科学 2023-09-27 Silvia Mura , Marouan Mizmizi , Umberto Spagnolini , Athina Petropulu

Non-line-of-sight (NLOS) operation is one of the open issues to be solved for integrated sensing and communication (ISAC) systems to become a pillar of the future wireless infrastructure above 10 GHz. Existing NLOS countermeasures use…

信号处理 · 电气工程与系统科学 2024-10-04 Davide Tornielli Bellini , Dario Tagliaferri , Marouan Mizmizi , Stefano Tebaldini , Umberto Spagnolini

This study demonstrates the feasibility of point cloud-based proactive link quality prediction for millimeter-wave (mmWave) communications. Previous studies have proposed machine learning-based methods to predict received signal strength…

网络与互联网体系结构 · 计算机科学 2023-12-08 Shoki Ohta , Takayuki Nishio , Riichi Kudo , Kahoko Takahashi , Hisashi Nagata

Identifying line-of-sight (LOS) and non-LOS (NLOS) channel conditions can improve the performance of many wireless applications, such as signal strength-based localization algorithms. For this purpose, channel state information (CSI)…

网络与互联网体系结构 · 计算机科学 2017-12-12 Jeong-Sik Choi , Woong-Hee Lee , Jae-Hyun Lee , Jong-Ho Lee , Seong-Cheol Kim

Ensuring smooth mobility management while employing directional beamformed transmissions in 5G millimeter-wave networks calls for robust and accurate user equipment (UE) localization and tracking. In this article, we develop neural…

信号处理 · 电气工程与系统科学 2024-06-25 Roman Klus , Jukka Talvitie , Julia Vinogradova , Gabor Fodor , Johan Torsner , Mikko Valkama

Accurate precise positioning at millimeter wave frequencies is possible due to the large available bandwidth that permits precise on-the-fly time of flight measurements using conventional air interface standards. In addition, narrow antenna…

信息论 · 计算机科学 2019-08-27 Ojas Kanhere , Shihao Ju , Yunchou Xing , Theodore S. Rappaport

Non-line-of-sight (NLOS) imaging of objects not visible to either the camera or illumination source is a challenging task with vital applications including surveillance and robotics. Recent NLOS reconstruction advances have been achieved…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Sreenithy Chandran , Suren Jayasuriya

With the recent development of technology, wireless sensor networks (WSN) are becoming an important part of many applications. Knowing the exact location of each sensor in the network is very important issue. Therefore, the localization…

网络与互联网体系结构 · 计算机科学 2016-06-27 Biljana Risteska Stojkoska , Vesna Kirandziska

In wireless positioning systems, non-line-of-sight (NLOS) is a challenging problem. NLOS causes great ranging bias and location error, so NLOS mitigation is essential for high accuracy positioning. In this letter, we propose the…

系统与控制 · 电气工程与系统科学 2022-05-13 Ruixin Fan , Xin Du

Sensing in non-line-of-sight (NLOS) is one of the major challenges for integrated sensing and communication systems. Existing countermeasures for NLOS either use prior knowledge on the environment to characterize all the multiple bounces or…

信号处理 · 电气工程与系统科学 2025-11-20 Davide Tornielli Bellini , Dario Tagliaferri , Pietro Grassi , Davide Scazzoli , Stefano Tebaldini , Umberto Spagnolini

This paper presents a millimeter-wave (mmWave) wideband sliding correlator channel sounder with flexibility to operate at various transmission rates. The channel sounder can transmit and receive up to 1 GHz of RF null-to-null bandwidth…

信息论 · 计算机科学 2017-03-24 George R. MacCartney , Hangsong Yan , Shu Sun , Theodore S. Rappaport

Near-field (NF) communications is receiving renewed interest in the context of multiple-input multiple-output (MIMO) systems involving large physical apertures with respect to the signal wavelength. While line-of-sight (LOS) links are…

信号处理 · 电气工程与系统科学 2025-11-26 Mohamadreza Delbari , George C. Alexandropoulos , Robert Schober , H. Vincent Poor , Vahid Jamali

We present a novel sound localization algorithm for a non-line-of-sight (NLOS) sound source in indoor environments. Our approach exploits the diffraction properties of sound waves as they bend around a barrier or an obstacle in the scene.…

机器人学 · 计算机科学 2018-09-21 Inkyu An , Doheon Lee , Jung-woo Choi , Dinesh Manocha , Sung-eui Yoon

The integration of sensing capability in the design of wireless communication systems is foreseen as a key enabler for efficient radio resource management in next-generation networks. This paper focuses on millimeter-wave communications,…

信号处理 · 电气工程与系统科学 2023-07-03 Mohamed Sana , Hiba Dakdouk , Benoit Denis

Predictive millimeter-wave (mmWave) beamforming is a promising technique to enable low-latency and high-rate ground-air communications for cellular-connected unmanned aerial vehicles (UAVs). However, the high vulnerability of mmWave to…

信号处理 · 电气工程与系统科学 2024-04-19 Shiqi Zeng , Xiaoli Xu , Yong Zeng

The accuracy of smartphone-based positioning methods using WiFi usually suffers from ranging errors caused by non-line-of-sight (NLOS) conditions. Previous research usually exploits several statistical features from a long time series…

信号处理 · 电气工程与系统科学 2021-10-11 Yinhuan Dong , Tugrul Arslan

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…

To fully exploit the millimeter-wave bands for the fifth generation cellular systems, an accurate understanding of the channel propagation characteristics is required, and hence extensive measurement campaigns in different environments are…

信号处理 · 电气工程与系统科学 2019-10-22 Fatih Erden , Ozgur Ozdemir , Ismail Guvenc

Constrained environments, such as indoor and urban settings, present a significant challenge for accurate moving object positioning due to the diminished line-of-sight (LoS)communication with the wireless anchor used for positioning. The…

信号处理 · 电气工程与系统科学 2024-03-04 Qamar Bader , Sharief Saleh , Mohamed Elhabiby , Aboelmagd Noureldin