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相关论文: Generalized Interference Alignment --- Part II: Ap…

200 篇论文

Interference alignment(IA) is mostly achieved by coding interference over multiple dimensions. Intuitively, the more interfering signals that need to be aligned, the larger the number of dimensions needed to align them. This dimensionality…

信息论 · 计算机科学 2016-01-19 Zainalabedin Samadi , Vahid Tabatabavakili , Farzan Haddadi

In this paper, we quantify the physical layer security of a dual-hop regenerative relaying-based wireless communication system assisted by reconfigurable intelligent surfaces (RISs). In particular, the setup consists of a source node…

信息论 · 计算机科学 2022-08-04 Elmehdi Illi , Marwa K. Qaraqe , Faissal El Bouanani , Saif M. Al-Kuwari

Emerging wireless services with extremely high data rate requirements, such as real-time extended reality applications, mandate novel solutions to further increase the capacity of future wireless networks. In this regard, leveraging large…

信号处理 · 电气工程与系统科学 2020-03-11 Reza Barazideh , Omid Semiari , Solmaz Niknam , Balasubramaniam Natarajan

This paper investigates physical layer security (PLS) in wireless interference networks. Specifically, we consider confidential transmission from a legitimate transmitter (Alice) to a legitimate receiver (Bob), in the presence of…

信息论 · 计算机科学 2023-06-01 Lin Hu , Jiabing Fan , Hong Wen , Jie Tang , Qianbin Chen

We present a mathematical model for communication subject to both network interference and noise. We introduce a framework where the interferers are scattered according to a spatial Poisson process, and are operating asynchronously in a…

信息论 · 计算机科学 2016-11-17 Pedro C. Pinto , Moe Z. Win

As a revolutionary wireless transmission strategy, interference alignment (IA) can improve the capacity of the cell-edge users. However, the acquisition of the global channel state information (CSI) for IA leads to unacceptable overhead in…

信息论 · 计算机科学 2017-06-19 Jianpeng Ma , Shun Zhang , Hongyan Li , Nan Zhao , Victor C. M. Leung

This paper designs a graph neural network (GNN) to improve bandwidth allocations for multiple legitimate wireless users transmitting to a base station in the presence of an eavesdropper. To improve the privacy and prevent eavesdropping…

信息论 · 计算机科学 2023-12-27 Xin Hao , Phee Lep Yeoh , Yuhong Liu , Changyang She , Branka Vucetic , Yonghui Li

An information-theoretic confidential communication is achievable if the eavesdropper has a degraded channel compared to the legitimate receiver. In wireless channels, beamforming and artificial noise can enable such confidentiality.…

信息论 · 计算机科学 2023-12-25 Stefan Roth , Aydin Sezgin

This paper studies the intercept behavior of an industrial wireless sensor network (WSN) consisting of a sink node and multiple sensors in the presence of an eavesdropping attacker, where the sensors transmit their sensed information to the…

信息论 · 计算机科学 2015-02-03 Yulong Zou , Gongpu Wang

Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology which can reflect the incident signal by intelligently configuring the reflection elements, thus changing the signal…

信息论 · 计算机科学 2024-05-07 Jintao Luo , Sixing Yin

In order to explore how blind interference alignment (BIA) schemes may take advantage of side-information in computation tasks, we study the degrees of freedom (DoF) of a $K$ user wireless network setting that arises in full-duplex wireless…

信息论 · 计算机科学 2025-09-26 Yuxiang Lu , Syed A. Jafar

Information theoretic secrecy is combined with cryptographic secrecy to create a secret-key exchange protocol for wireless networks. A network of transmitters, which already have cryptographically secured channels between them, cooperate to…

密码学与安全 · 计算机科学 2016-11-15 Toni Draganov Stojanovski , Ninoslav Marina

In this paper, we consider the use of artificial noise for secure communications. We propose the notion of practical secrecy as a new design criterion based on the behavior of the eavesdropper's error probability $P_E$, as the…

信息论 · 计算机科学 2013-06-06 Shuiyin Liu , Yi Hong , Emanuele Viterbo

In this paper, intelligent reflecting surfaces (IRSs) are employed to enhance the physical layer security in a challenging radio environment. In particular, a multi-antenna access point (AP) has to serve multiple single-antenna legitimate…

信息论 · 计算机科学 2020-04-21 Xianghao Yu , Dongfang Xu , Ying Sun , Derrick Wing Kwan Ng , Robert Schober

Interference limits performance in wireless networks, and cooperation among receivers or transmitters can help mitigate interference by forming distributed MIMO systems. Earlier work shows how limited receiver cooperation helps mitigate…

信息论 · 计算机科学 2010-05-03 I-Hsiang Wang , David N. C. Tse

Interference is a major issue that limits the performance in wireless networks, and cooperation among receivers can help mitigate interference by forming distributed MIMO systems. The rate at which receivers cooperate, however, is limited…

信息论 · 计算机科学 2009-08-20 I-Hsiang Wang , David N. C. Tse

We study a distributed machine learning problem carried out by an edge server and multiple agents in a wireless network. The objective is to minimize a global function that is a sum of the agents' local loss functions. And the optimization…

信息论 · 计算机科学 2021-12-03 Howard H. Yang , Zihan Chen , Tony Q. S. Quek , H. Vincent Poor

Covert communication can prevent an adversary from knowing that a wireless transmission has occurred. In additive white Gaussian noise (AWGN) channels, a square root law is found that Alice can reliably and covertly transmit…

密码学与安全 · 计算机科学 2019-09-30 Zhihong Liu , Jiajia Liu , Yong Zeng , Jianfeng Ma

LoRa is a chirp spread-spectrum modulation developed for the Internet of Things. In this work, we examine the performance of LoRa in the presence of both additive white Gaussian noise and interference from another LoRa user. To this end, we…

信号处理 · 电气工程与系统科学 2019-12-04 Orion Afisiadis , Matthieu Cotting , Andreas Burg , Alexios Balatsoukas-Stimming

This paper is concerned with the general multiple access wiretap channel and the existence of codes that accomplish reliability and strong secrecy. Information leakage to the eavesdropper is assessed by the variational distance metric,…

信息论 · 计算机科学 2020-03-10 Manos Athanasakos , Nicholas Kalouptsidis