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相关论文: Secrecy Performance of Body-Centric Communications…

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This paper focuses on the asymptotic analysis of a class of nonlinear one-bit precoding schemes under Rayleigh fading channels. The considered scheme employs a convex-relaxation-then-quantization (CRQ) approach to the well-known minimum…

信息论 · 计算机科学 2026-01-21 Zheyu Wu , Junjie Ma , Ya-Feng Liu , Bruno Clerckx

This paper presents two different low-complexity methods for obtaining the secrecy capacity of multiple-input multiple-output (MIMO) wiretap channel subject to a sum power constraint (SPC). The challenges in deriving computationally…

信息论 · 计算机科学 2021-02-23 Anshu Mukherjee , Björn Ottersten , Le Nam Tran

In this letter, we introduce the performance of maximal ratio combining (MRC) with weighting errors for physical layer security. We assume both legitimate user and eavesdropper each equipped with multiple antennas employ non ideal MRC. The…

信息论 · 计算机科学 2013-11-12 Anish Prasad Shrestha , Kyung Sup Kwak

With the evolution of integrated sensing and communication (ISAC) technology, a growing number of devices go beyond conventional communication functions with sensing abilities. Therefore, future networks are divinable to encounter new…

信号处理 · 电气工程与系统科学 2024-04-09 Teng Ma , Yue Xiao , Xia Lei , Ming Xiao

In this paper, the physical layer security of a dual-hop unmanned aerial vehicle-based wireless network, subject to imperfect channel state information (CSI) and mobility effects, is analyzed. Specifically, a source node $(S)$ communicates…

信息论 · 计算机科学 2022-05-17 Elmehdi Illi , Marwa K. Qaraqe , F. El Bouanani , Saif M. Al-Kuwari

Approximate Symbol error rate (SER), outage probability and rate expressions are derived for receive diversity system employing optimum combining when both the desired and the interfering signals are subjected to Rician fading, for the…

信号处理 · 电气工程与系统科学 2019-05-10 Muralikrishnan Srinivasan , Sheetal Kalyani

Wyner's wiretap channel is extended to parallel broadcast channels and fading channels with multiple receivers. In the first part of the paper, we consider the setup of parallel broadcast channels with one sender, multiple intended…

信息论 · 计算机科学 2007-07-13 Ashish Khisti , Aslan Tchamkerten , Gregory Wornell

As a revolutionary technology, reconfigurable intelligent surface (RIS) has been deemed as an indispensable part of the 6th generation communications due to its inherent ability to regulate the wireless channels. However, passive RIS (PRIS)…

信息论 · 计算机科学 2024-03-19 Xuehua Li , Yingjie Pei , Xinwei Yue , Yuanwei Liu , Zhiguo Ding

In this letter, the secrecy performance of a mixed free space optics (FSO) and radio frequency (RF) system is analyzed from physical layer security (PHY) perspective. In this scenario, one or more eavesdroppers are trying to intercept the…

信号处理 · 电气工程与系统科学 2019-07-09 Dipti R. Pattanayak , Vivek K. Dwivedi , Vikram Karwal , Imran Shafique Ansari , Hongjiang Lei , Mohamed-Slim Alouini

In this paper, we investigate the performance of physical-layer security of a pinching-antenna system on a lossless dielectric waveguide. In particular, the system uses a single pinching-antenna to convey confidential information from a…

信息论 · 计算机科学 2025-03-25 Osamah S. Badarneh , Hugerles S. Silva , Yazan H. Al Badarneh

We study the secrecy capacity of a helper-assisted Gaussian wiretap channel with a source, a legitimate receiver, an eavesdropper and an external helper, where each terminal is equipped with multiple antennas. Determining the secrecy…

信息论 · 计算机科学 2015-09-16 Lingxiang Li , Zhi Chen , Jun Fang , and Athina P. Petropulu

In this correspondence, we study the secure multiantenna transmission with artificial noise (AN) under imperfect channel state information in the presence of spatially randomly distributed eavesdroppers. We derive the optimal solutions of…

信息论 · 计算机科学 2016-01-07 Tong-Xing Zheng , Hui-Ming Wang

We analyze physical-layer security based on the premise that the coding mechanism for secrecy over noisy channels is tied to the notion of channel resolvability. Instead of considering capacity-based constructions, which associate to each…

信息论 · 计算机科学 2013-09-09 Matthieu R. Bloch , J. Nicholas Laneman

In this paper, we consider the physical layer security of an RIS-assisted multiple-antenna communication system with randomly located eavesdroppers. The exact distributions of the received signal-to-noise-ratios (SNRs) at the legitimate…

信息论 · 计算机科学 2024-03-25 Wei Shi , Jindan Xu , Wei Xu , Chau Yuen , A. Lee Swindlehurst , Xiaohu You , Chunming Zhao

In this paper, we study a dual-hop mixed power line communication and radio-frequency communication (PLC/RF) system, where the connection between the PLC link and the RF link is made by a decode-and-forward (DF) or amplify-and-forward (AF)…

信息论 · 计算机科学 2020-11-19 Liang Yang , Xiaoqin Yan , Sai Li , Daniel Benevides da Costa , Mohamed-Slim Alouini

This paper studies the problem of secure communication over the broadcast channel with receiver side information under the lens of individual secrecy constraints. That is, the transmitter wants to send two independent messages to two…

信息论 · 计算机科学 2015-02-26 Yanling Chen , O. Ozan Koyluoglu , Aydin Sezgin

This paper investigates the characteristics of energy detection (ED) over composite $\kappa$-$\mu$ shadowed fading channels in ultra machine-type communication (mMTC) networks. We have derived the closed-form expressions of the probability…

信号处理 · 电气工程与系统科学 2025-09-01 He Huang , Zeping Sui , Zilong Liu , Wei Huang , Md. Noor-A-Rahim , Haishi Wang , Zhiheng Hu

In this paper, we investigate secure transmission in a massive multiple-input multiple-output (MIMO) system adopting low-resolution digital-to-analog converters (DACs). Artificial noise (AN) is deliberately transmitted simultaneously with…

信息论 · 计算机科学 2019-01-30 Jindan Xu , Wei Xu , Jun Zhu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

Spatial Poisson Point Process (PPP) network, whose Base Stations (BS)s are distributed according to a Poisson distribution, is currently used as a accurate model to analyse the performance of a cellular network. Most current work on…

信息论 · 计算机科学 2016-07-13 Sinh Cong Lam , Kumbesan Sandrasegaran

The practical deployment of massive multiple-input multiple-output (MIMO) in future fifth generation (5G) wireless communication systems is challenging due to its high hardware cost and power consumption. One promising solution to address…

信息论 · 计算机科学 2017-03-13 Jiayi Zhang , Linglong Dai , Ziyan He , Shi Jin , Xu Li