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We consider a single-anchor multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) system with imperfectly synchronized transmitter (Tx) and receiver (Rx) clocks, where the Rx estimates its position based on…

Performance of data forwarding in Delay Tolerant Networks (DTNs) benefits considerably if one can make use of human mobility in terms of social structures. However, it is difficult and time-consuming to calculate the centrality and…

分布式、并行与集群计算 · 计算机科学 2014-06-30 Peiyan Yuan , Huadong Ma , Shaojie Tang

The nature of pre-determined and on-demand mobile network fabrics can be exploited for real time Position Location and Tracking (PL&T) of radios and sensors (nodes) for Global Positioning System (GPS) denied or GPS-free systems. This issue…

网络与互联网体系结构 · 计算机科学 2012-03-21 Shakhakarmi Niraj , Dhadesugoor R. Vaman

Network Key Performance Indicators (KPIs) are a fundamental component of mobile cellular network monitoring and optimization. Their massive volume, resulting from fine-grained measurements collected across many cells over long time…

网络与互联网体系结构 · 计算机科学 2026-02-02 Andrea Pimpinella , Fabio Palmese , Alessandro E. C. Redondi

Unmanned Aerial Vehicles (UAVs) are increasingly used as cost-effective and flexible Wi-Fi Access Points (APs) and cellular Base Stations (BSs) to enhance Quality of Service (QoS). In disaster management scenarios, UAV-based networks…

网络与互联网体系结构 · 计算机科学 2024-06-04 Kamran Shafafi , André Coelho , Rui Campos , Manuel Ricardo

Focusing on the increasing market of the sensors and actuators networks, the IEEE 802.11ah Task Group is currently working on the standardization of a new amendment. This new amendment will operate at the sub-1GHz band, ensure transmission…

网络与互联网体系结构 · 计算机科学 2013-12-31 Toni Adame , Albert Bel , Boris Bellalta , Jaume Barcelo , Javier Gonzalez , Miquel Oliver

In next-generation vehicular environments, precise localization is crucial for facilitating advanced applications such as autonomous driving. As automation levels escalate, the demand rises for enhanced accuracy, reliability, energy…

信号处理 · 电气工程与系统科学 2024-04-23 Marina Lotti , Nicolò Decarli , Gianni Pasolini , Davide Dardari

In an advanced metering infrastructure (AMI), data acquisition points (DAPs) are responsible for collecting traffic from several smart meters and automated devices and transmitting them to the utility control center. Although the problem of…

网络与互联网体系结构 · 计算机科学 2018-08-21 Fariba Aalamifar , Lutz Lampe

Source localization plays a key role in many applications including radar, wireless and underwater communications. Among various localization methods, the most popular ones are Time-Of-Arrival (TOA), Time-Difference-Of-Arrival (TDOA), and…

信号处理 · 电气工程与系统科学 2022-03-07 Nitesh Sahu , Linlong Wu , Prabhu Babu , Bhavani Shankar M. R. , Björn Ottersten

In this work, we present a novel traffic prediction and fast uplink framework for IoT networks controlled by binary Markovian events. First, we apply the forward algorithm with hidden Markov models (HMM) in order to schedule the available…

网络与互联网体系结构 · 计算机科学 2022-09-14 Eslam Eldeeb , Mohammad Shehab , Anders E. Kalor , Petar Popovski , Hirley Alves

Networks, threat models, and malicious actors are advancing quickly. With the increased deployment of the 5G networks, the security issues of the attached 5G physical devices have also increased. Therefore, artificial intelligence based…

密码学与安全 · 计算机科学 2024-01-18 Humera Ghani , Shahram Salekzamankhani , Bal Virdee

In this paper, we present optimization approaches for Access Point (AP) location and frequency assignment, two major planning tasks in deploying Wi-Fi networks. Since APs are relatively cheap, the major concern is network performance. We…

最优化与控制 · 数学 2011-01-27 Sandro Bosio , Di Yuan

Emergence of new types of services has led to various traffic and diverse delay requirements in fifth generation (5G) wireless networks. Meeting diverse delay requirements is one of the most critical goals for the design of 5G wireless…

信息论 · 计算机科学 2017-03-27 Yi Zhong , Tony Q. S. Quek , Xiaohu Ge

Mobility support in future networks will be predominately based on micro mobility protocols. Current proposed schemes such as Hierarchical Mobile IPv6 (HMIPv6) and more importantly Proxy Mobile IPv6 (PMIPv6) provide localized mobility…

网络与互联网体系结构 · 计算机科学 2015-01-22 Esmat Mirzamany , Vasilis Friderikos

Integrated satellite-terrestrial communications networks aim to exploit both the satellite and the ground mobile communications, thus providing genuine ubiquitous coverage. For 5G integrated low earth orbit (LEO) satellite communication…

信息论 · 计算机科学 2021-05-11 Wenjin Wang , Tingting Chen , Rui Ding , Gonzalo Seco-Granados , Li You , Xiqi Gao

Reliable and accurate localization of mobile objects is essential for many applications in wireless networks. In range-based localization, the position of the object can be inferred using the distance measurements from wireless signals…

信息论 · 计算机科学 2013-09-19 Yuan Shen , Wenhan Dai , Moe Z. Win

This paper investigates the hybrid source localization problem using the four radio measurements - time of arrival (TOA), time difference of arrival (TDOA), received signal strength (RSS), and angle of arrival (AOA). First, after invoking…

信号处理 · 电气工程与系统科学 2025-10-07 Kuntal Panwar , Prabhu Babu , R. Jyothi

Unmanned Aerial Vehicles (UAVs) are suited as cost-effective and adaptable platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs). Implementing aerial networks in disaster management scenarios and crowded areas…

网络与互联网体系结构 · 计算机科学 2024-12-16 Kamran Shafafi , Manuel Ricardo , Rui Campos

Millimeter-wave (mmWave) communication is a promising solution for achieving high data rate and low latency in 5G wireless cellular networks. Since directional beamforming and antenna arrays are exploited in the mmWave networks, accurate…

信息论 · 计算机科学 2020-11-26 Jiajun He , Young Jin Chun

Random access schemes in modern wireless communications are generally based on the framed-ALOHA (f-ALOHA), which can be optimized by flexibly organizing devices' transmission and re-transmission. However, this optimization is generally…

网络与互联网体系结构 · 计算机科学 2020-02-19 Nan Jiang , Yansha Deng , Arumugam Nallanathan