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Wireless sensor networks (WSNs) have enabled continuous monitoring of an area of interest (body, room, region, etc.) while eliminating expensive wired infrastructure. Typically in such applications, wireless sensor nodes report the sensed…

网络与互联网体系结构 · 计算机科学 2016-07-25 Chayan Sarkar , Vijay S. Rao , R. Venkatesha Prasad

Spatial consistency was proposed in the 3GPP TR 38.901 channel model to ensure that closely spaced mobile terminals have similar channels. Future extensions of this model might incorporate mobility at both ends of the link. This requires…

信号处理 · 电气工程与系统科学 2019-07-01 Stephan Jaeckel , Leszek Raschkowski , Frank Burkhardt , Lars Thiele

This work considers the three-dimensional (3-D) positioning problem in a Terahertz (THz) system enabled by a modular extra-large (XL) array with sub-connected architecture. Our purpose is to estimate the Cartesian Coordinates of multiple…

信号处理 · 电气工程与系统科学 2025-04-21 Yang Zhang , Ruidong Li , Cunhua Pan , Hong Ren , Tuo Wu , Changhong Wang

Wireless channel modeling plays a pivotal role in designing, analyzing, and optimizing wireless communication systems. Nevertheless, developing an effective channel modeling approach has been a long-standing challenge. This issue has been…

网络与互联网体系结构 · 计算机科学 2025-03-25 Chaozheng Wen , Jingwen Tong , Yingdong Hu , Zehong Lin , Jun Zhang

This paper examines the spatial coverage optimization problem for multiple sensors in a known convex environment, where the coverage service of each sensor is heterogeneous and anisotropic. We introduce the Stein Coverage algorithm, a…

多智能体系统 · 计算机科学 2023-12-13 Donipolo Ghimire , Solmaz S. Kia

Wireless sensor networks (WSNs) became one of the high technology domains during the last ten years. Real-time applications for them make it necessary to provide the guaranteed Quality of Service (QoS). The main contributions of this paper…

网络与互联网体系结构 · 计算机科学 2011-09-06 Lianming Zhang , Jianping Yu , Xiaoheng Deng

In this paper, a learning-aided content-based wireless image transmission scheme is proposed, where a multi-antenna-aided source wishes to securely deliver an image to a legitimate destination in the presence of randomly distributed…

信息论 · 计算机科学 2021-04-20 Mehdi Letafati , Hamid Behroozi , Babak Hossein Khalaj , Eduard A. Jorswieck

Depth Completion can produce a dense depth map from a sparse input and provide a more complete 3D description of the environment. Despite great progress made in depth completion, the sparsity of the input and low density of the ground truth…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Jiaqi Gu , Zhiyu Xiang , Yuwen Ye , Lingxuan Wang

Reconstructing 3D vehicles from noisy and sparse partial point clouds is of great significance to autonomous driving. Most existing 3D reconstruction methods cannot be directly applied to this problem because they are elaborately designed…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Yibo Liu , Kelly Zhu , Guile Wu , Yuan Ren , Bingbing Liu , Yang Liu , Jinjun Shan

Although monitoring and covering are fundamental goals of a wireless sensor network (WSN), the accidental death of sensors or the running out of their energy would result in holes in the WSN. Such holes have the potential to disrupt the…

计算几何 · 计算机科学 2021-06-22 Mansoor Davoodi , Esmaeil Delfaraz , Sajjad Ghobadi , Mahtab Masoori

A novel solution is proposed to undertake a frequent task in wireless networks, which is to let all nodes broadcast information to and receive information from their respective one-hop neighboring nodes. The contribution is two-fold. First,…

信息论 · 计算机科学 2015-03-17 Lei Zhang , Dongning Guo

Unpaired 3D object completion aims to predict a complete 3D shape from an incomplete input without knowing the correspondence between the complete and incomplete shapes. In this paper, we propose the novel KTNet to solve this task from the…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Zhen Cao , Wenxiao Zhang , Xin Wen , Zhen Dong , Yu-shen Liu , Xiongwu Xiao , Bisheng Yang

Advancements in 6G wireless technology have elevated the importance of beamforming, especially for attaining ultra-high data rates via millimeter-wave (mmWave) frequency deployment. Although promising, mmWave bands require substantial beam…

网络与互联网体系结构 · 计算机科学 2024-07-31 Avi Deb Raha , Kitae Kim , Apurba Adhikary , Mrityunjoy Gain , Zhu Han , Choong Seon Hong

This paper develops a tractable framework for exploiting the potential benefits of physical layer security in three-tier wireless sensor networks using stochastic geometry. In such networks, the sensing data from the remote sensors are…

信息论 · 计算机科学 2016-01-12 Yansha Deng , Lifeng Wang , Maged Elkashlan , Arumugam Nallanathan , Ranjan K. Mallik

We study the heterogeneous wireless sensor networks (WSNs) and propose the necessary condition of the optimal sensor deployment. Similar to that in homogeneous WSNs, the necessary condition implies that every sensor node location should…

网络与互联网体系结构 · 计算机科学 2016-03-29 Jun Guo , Hamid Jafarkhani

Detecting 3D keypoints from point clouds is important for shape reconstruction, while this work investigates the dual question: can shape reconstruction benefit 3D keypoint detection? Existing methods either seek salient features according…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Chengliang Zhong , Peixing You , Xiaoxue Chen , Hao Zhao , Fuchun Sun , Guyue Zhou , Xiaodong Mu , Chuang Gan , Wenbing Huang

An effective approach for energy conservation in wireless sensor networks is scheduling sleep intervals for extraneous nodes while the remaining nodes stay active to provide continuous service. For the sensor network to operate successfully…

人工智能 · 计算机科学 2010-11-09 Seyed Hossein Khasteh , Saeid Bagheri Shouraki , Ali Akbar Kiaei

Coverage problems are central in optimization and have a wide range of applications in data mining and machine learning. While several distributed algorithms have been developed for coverage problems, the existing methods suffer from…

数据结构与算法 · 计算机科学 2017-03-13 MohammadHossein Bateni , Hossein Esfandiari , Vahab Mirrokni

As wireless sensor networks grow larger, more complex and their role more significant, it becomes necessary to have an insight into the network traffic. For this purpose, sniffers play an irreplaceable role. Since a sniffer is a device of…

网络与互联网体系结构 · 计算机科学 2021-01-20 Jelena Kovač , Jovan Crnogorac , Enis Kočan , Malisa Vucinic

Target coverage problem in wireless sensor networks is concerned with maximizing the lifetime of the network while continuously monitoring a set of targets. A sensor covers targets which are within the sensing range. For a set of sensors…

网络与互联网体系结构 · 计算机科学 2011-03-25 Manju , Arun K. Pujari