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相关论文: LPD-Aware Uplink CSI-based 5G NR Downlink Synchron…

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Communication technologies play a crucial role in battlefields. They are an inalienable part of any tactical response, whether at the battlefront or inland. Such scenarios require that the communication technologies be versatile, scalable,…

信号处理 · 电气工程与系统科学 2024-06-17 Akshay Jain , Karthik Upadhya , Mikko A. Uusitalo , Harish Viswanathan

In December 2017, the Third Generation Partnership Project (3GPP) released the first set of specifications for 5G New Radio (NR), which is currently the most widely accepted 5G cellular standard. 5G NR is expected to replace LTE and…

网络与互联网体系结构 · 计算机科学 2018-04-10 Marc Lichtman , Raghunandan M. Rao , Vuk Marojevic , Jeffrey H. Reed , Roger Piqueras Jover

The 5th generation (5G) new radio (NR) is designed to support a wide range of use cases, requirements, and services from enhanced mobile broadband (eMBB) to ultra-reliable low-latency communications (URLLC). NR signals are designed to meet…

信息论 · 计算机科学 2020-10-20 Mohammad Mozaffari , Y. -P. Eric Wang , Kittipong Kittichokechai

5G NR sidelink communication enables new possibilities for direct device-to-device interactions, supporting applications from vehicle-to-everything (V2X) systems to public safety, industrial automation, and drone networks. However, these…

密码学与安全 · 计算机科学 2025-02-25 Evangelos Bitsikas , Aanjhan Ranganathan

We consider the problem of hiding wireless communications from an eavesdropper that employs a deep learning (DL) classifier to detect whether any transmission of interest is present or not. There exists one transmitter that transmits to its…

信号处理 · 电气工程与系统科学 2020-05-18 Brian Kim , Yalin E. Sagduyu , Kemal Davaslioglu , Tugba Erpek , Sennur Ulukus

This paper investigates security vulnerabilities and countermeasures for the 3rd Generation Partnership Project (3GPP) Fifth Generation New Radio (5G-NR) Time Difference of Arrival (TDoA)-based unmanned aerial vehicle (UAV) localization in…

信号处理 · 电气工程与系统科学 2025-11-17 Zexin Fang , Bin Han , Zhu Han , Yufei Zhao , Yong Liang Guan , Hans D. Schotten

We analyze the secrecy outage probability in the downlink for wireless networks with spatially (Poisson) distributed eavesdroppers (EDs) under the assumption that the base station employs transmit antenna selection (TAS) to enhance secrecy…

信息论 · 计算机科学 2017-01-05 Gaojie Chen , Justin P. Coon , Marco Di Renzo

This letter studies parallel independent Gaussian channels with uncertain eavesdropper channel state information (CSI). Firstly, we evaluate the probability of zero secrecy rate in this system for (i) given instantaneous channel conditions…

信息论 · 计算机科学 2016-02-23 Siddhartha Sarma , Kundan Kandhway , Joy Kuri

New Radio (NR) is a new radio air interface developed by the 3rd Generation Partnership Project (3GPP) for the fifth generation (5G) mobile communications system. With great flexibility, scalability, and efficiency, 5G is expected to…

网络与互联网体系结构 · 计算机科学 2019-10-07 Kazuki Takeda , Huilin Xu , Taehyoung Kim , Karol Schober , Xingqin Lin

In this paper, we investigate the physical layer security in downlink of Power Domain Non Orthogonal Multiple Access based heterogeneous cellular network in presence of multiple eavesdroppers. Our aim is to maximize the sum secrecy rate of…

密码学与安全 · 计算机科学 2018-06-07 Moslem Forouzesh , Paeiz Azmi , Nader Mokari , Kai Kit Wong

In cellular systems, confidentiality of uplink transmission with respect to eavesdropping terminals can be ensured by creating intentional inteference via scheduling of concurrent downlink transmissions. In this paper, this basic idea is…

信息论 · 计算机科学 2008-05-06 Petar Popovski , Osvaldo Simeone

5G New Radio (NR) is an emerging radio access technology, which is planned to succeed 4G Long Term Evolution (LTE) as global standard of cellular communications in the upcoming years. This paper considers a digital signal processing model…

网络与互联网体系结构 · 计算机科学 2019-08-14 Grzegorz Cisek , Tomasz P. Zielinski

This paper analyzes two-tier heterogeneous cellular network with decoupled downlink and uplink access. The basic performance benefits of uplink/downlink decoupling have been recently introduced. Here we provide a more elaborate treatment of…

信息论 · 计算机科学 2014-12-05 Katerina Smiljkovikj , Liljana Gavrilovska , Petar Popovski

5G Standalone deployments can exhibit uplink misbehavior from user equipment that remains fully compliant with standard control plane procedures. Manipulations such as transmit power inflation, gradual timing drift, and short off grant…

密码学与安全 · 计算机科学 2025-12-01 Daniyal Ganiuly , Nurzhau Bolatbek , Assel Smaiyl

Surveillance performance is studied for a wireless eavesdropping system, where a full-duplex legitimate monitor eavesdrops a suspicious link efficiently with the artificial noise (AN) assistance. Different from the existing work in the…

信号处理 · 电气工程与系统科学 2020-02-19 Zihao Cheng , Jiangbo Si , Zan Li , Danyang Wang , Naofal Al-Dhahir

As 5G networks become more mainstream, privacy has come to the forefront of end users. More scrutiny has been shown to previous generation cellular technologies such as 3G and 4G on how they handle sensitive metadata transmitted from an end…

密码学与安全 · 计算机科学 2023-12-29 Abshir Ali , Guanqun Song , Ting Zhu

In 5G communication, arrays are used for both positioning and communication. As the arrays become larger, the far-field assumption is increasingly being violated and curvature of the wavefront should be taken into account. We explicitly…

信号处理 · 电气工程与系统科学 2020-02-03 Henk Wymeersch

Providing high-capacity radio connectivity for high-speed trains (HSTs) is one of the most important use cases of emerging 5G New Radio (NR) networks. In this article, we show that 5G NR technology can also facilitate high-accuracy…

网络与互联网体系结构 · 计算机科学 2019-05-07 Jukka Talvitie , Toni Levanen , Mike Koivisto , Tero Ihalainen , Kari Pajukoski , Mikko Valkama

Channel state information (CSI) at the transmitter is of importance to the performance of physical layer security based on multi-antenna networks. Specifically, CSI is not only beneficial to improve the capacity of the legitimate channel,…

信息论 · 计算机科学 2016-11-17 Xiaoming Chen , Rui Yin

Reliable low-latency communication is a key requirement for mission-critical and mobile autonomous systems, including teleoperation, autonomous navigation, and real-time uplink-dominant telemetry applications. While commercial 5G networks…

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