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Network densification and heterogenisation through the deployment of small cellular access points (picocells and femtocells) are seen as key mechanisms in handling the exponential increase in cellular data traffic. Modelling such networks…

网络与互联网体系结构 · 计算机科学 2017-05-11 Pete Pratt , Carl P. Dettmann , Orestis Georgiou

Mobile sensing data has become a popular data source for geo-spatial analysis, however, mapping it accurately to other sources of information such as statistical data remains a challenge. Popular mapping approaches such as point allocation…

计算机与社会 · 计算机科学 2020-11-12 Till Koebe

Spatial information from cell-surface receptors is crucial for processes that require signal processing and sensing of the environment. Here, we investigate the optimal placement of such receptors through a theoretical model that minimizes…

生物物理 · 物理学 2025-04-17 Albert Alonso , Robert G. Endres , Julius B. Kirkegaard

Cross-View Geo-Localization tackles the challenge of image geo-localization in GNSS-denied environments, including disaster response scenarios, urban canyons, and dense forests, by matching street-view query images with geo-tagged…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Panwang Xia , Lei Yu , Yi Wan , Qiong Wu , Peiqi Chen , Liheng Zhong , Yongxiang Yao , Dong Wei , Xinyi Liu , Lixiang Ru , Yingying Zhang , Jiangwei Lao , Jingdong Chen , Ming Yang , Yongjun Zhang

This paper has been withdrawn by the authors. Mobility profile building became extensively examined area in Location based services (LBS) through extraction of significant locations. Mobility traces are recorded under three reference…

网络与互联网体系结构 · 计算机科学 2013-10-28 Shafqat Ali Shad , Enhong Chen , Tengfei Bao

Robust pedestrian safety is crucial to the next-generation of intelligent transportation systems. Such systems rely on active pedestrian localization and predictive collision alerts. Pedestrian localization can be supported by…

机器人学 · 计算机科学 2026-05-19 Joshua Varughese , Joseba Gorospe , Novel Certad , Cristina Olaverri-Monreal

We present \emph{SmartLoc}, a localization system to estimate the location and the traveling distance by leveraging the lower-power inertial sensors embedded in smartphones as a supplementary to GPS. To minimize the negative impact of…

网络与互联网体系结构 · 计算机科学 2013-10-31 Cheng Bo , Xiang-Yang Li , Taeho Jung , Xufei Mao

Scattered trees outside of dense, closed-canopy forests are very important for carbon sequestration, supporting livelihoods, maintaining ecosystem integrity, and climate change adaptation and mitigation. In contrast to trees inside of…

计算机视觉与模式识别 · 计算机科学 2021-02-03 John Brandt , Fred Stolle

Tea chrysanthemum detection at its flowering stage is one of the key components for selective chrysanthemum harvesting robot development. However, it is a challenge to detect flowering chrysanthemums under unstructured field environments…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Chao Qi , Junfeng Gao , Simon Pearson , Helen Harman , Kunjie Chen , Lei Shu

This paper introduces a novel framework for high-accuracy outdoor user equipment (UE) positioning that applies a conditional generative diffusion model directly to high-dimensional massive MIMO channel state information (CSI). Traditional…

网络与互联网体系结构 · 计算机科学 2025-10-17 Taekyun Lee , Tommaso Balercia , Heasung Kim , Hyeji Kim , Jeffrey G. Andrews

Despite coverage enhancement in rural areas is one of the main requirements in next generations of wireless networks (i.e., 5G and 6G), the low expected profit prevents telecommunication providers from investing in such sparsely populated…

网络与互联网体系结构 · 计算机科学 2021-11-23 Maurilio Matracia , Mustafa A. Kishk , Mohamed-Slim Alouini

In this paper, we propose a unified localization framework (called UNILocPro) that integrates model-based localization and channel charting (CC) for mixed line-of-sight (LoS)/non-line-of-sight (NLoS) scenarios. Specifically, based on…

信号处理 · 电气工程与系统科学 2025-11-03 Yuhao Zhang , Guangjin Pan , Musa Furkan Keskin , Ossi Kaltiokallio , Mikko Valkama , Henk Wymeersch

Small cell network (SCN) offers, for the first time, a low-cost and scalable mechanism to meet the forecast data-traffic demand. In this paper, we propose a non-uniform SCN deployment scheme. The small cell base stations (BSs) in this…

信息论 · 计算机科学 2014-01-09 He Wang , Xiangyun Zhou , Mark C. Reed

The unrelenting increase in the population of mobile users and their traffic demands drive cellular network operators to densify their network infrastructure. Network densification shrinks the footprint of base stations (BSs) and reduces…

信息论 · 计算机科学 2016-07-22 Hazem Ibrahim , Hesham ElSawy , Uyen T. Nguyen , Mohamed-Slim Alouini

Most wireless terrestrial networks are designed based on the assumption that the nodes are deployed on a two-dimensional (2D) plane. However, this 2D assumption is not valid in underwater, atmospheric, or space communications. In fact,…

网络与互联网体系结构 · 计算机科学 2007-05-23 S. M. Nazrul Alam , Zygmunt J. Haas

The intense demands for higher data rates and ubiquitous network coverage have raised the stakes on developing new network topology and architecture to meet these ever-increasing demands in a cost-effective manner. The telecommunication…

网络与互联网体系结构 · 计算机科学 2018-04-30 Wei Wang , Lin Yang , Qian Zhang , Tao Jiang

Many of modern location-based services are often based on an area or place as opposed to an accurate determination of the precise location. Geo-fencing approach is based on the observation that users move from one place to another and then…

网络与互联网体系结构 · 计算机科学 2013-03-26 Dmitry Namiot , Manfred Sneps-Sneppe

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems, which exploit many geographically distributed access points to coherently serve user equipments via spatial multiplexing on the same time-frequency resource, has become a…

信息论 · 计算机科学 2023-06-14 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Bo Ai , Mérouane Debbah , Khaled B. Letaief

Next generation cellular networks will implement radio sensing functions alongside customary communications, thereby enabling unprecedented worldwide sensing coverage outdoors. Deep learning has revolutionised computer vision but has had…

机器学习 · 计算机科学 2023-03-30 Mohammed Alloulah , Maximilian Arnold

Imagine a coverage area with many wireless access points that cooperate to jointly serve the users, instead of creating autonomous cells. Such a cell-free network operation can potentially resolve many of the interference issues that appear…

信息论 · 计算机科学 2020-05-11 Emil Björnson , Luca Sanguinetti