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相关论文: On Secure Mixed RF-FSO Systems With TAS and Imperf…

200 篇论文

In this paper, a secure spatial modulation (SM) system with artificial noise (AN)-aided is investigated. To achieve higher secrecy rate (SR) in such a system, two high-performance schemes of transmit antenna selection (TAS), leakage-based…

信息论 · 计算机科学 2018-01-16 Feng Shu , Zhengwang Wang , Riqing Chen , Yongpeng Wu , Jiangzhou Wang

We investigate the secrecy performance of an underlay small-cell cognitive radio network under unreliable backhaul connections. The small-cell network shares the same spectrum with the primary network, ensuring that a desired outage…

信号处理 · 电气工程与系统科学 2021-03-09 Jinghua Zhang , Chinmoy Kundu , Octavia A. Dobre , Emi Garcia-Palacios , Nguyen-Son Vo

In this paper, we analyze the performance of a reconfigurable intelligent surface (RIS)-assisted multi-hop transmission by employing multiple RIS units to enable favorable communication for a mixed free-space optical (FSO) and…

信息论 · 计算机科学 2023-07-18 Vinay Kumar Chapala , S. M. Zafaruddin

This paper studies the performance of multi-hop and mesh networks composed of millimeter wave (MMW)-based radio frequency (RF) and free-space optical (FSO) links. The results are obtained in cases with and without hybrid automatic repeat…

信息论 · 计算机科学 2017-03-29 Behrooz Makki , Tommy Svensson , Maite Brandt-Pearce , Mohamed-Slim Alouini

In this paper, we study the secure transmission in multihop wireless networks with randomize-and-forward (RaF) relaying, in the presence of randomly distributed eavesdroppers. By considering adaptive encoder with on-off transmission (OFT)…

信息论 · 计算机科学 2017-10-31 Jianping Yao , Yuan Liu

Cooperative relaying improves the performance of wireless networks by forming a network of multiple independent virtual sources transmitting the same information as the source node. However, interference induced in the network reduces the…

信息论 · 计算机科学 2012-10-22 Bappi Barua , Mehran Abolhasan , Daniel Franklin , Farzad Safaei

This paper considers secure communication in buffer-aided cooperative wireless networks in the presence of one eavesdropper, which can intercept the data transmission from both the source and relay nodes. A new max-ratio relaying protocol…

信息论 · 计算机科学 2020-05-18 Jiayu Zhou , Deli Qiao , Haifeng Qian

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

Relay systems improve both coverage and system capacity. Towards this direction, full-duplex (FD) technology, being able to boost the spectral efficiency by transmitting and receiving simultaneously on the same frequency and time resources,…

信息论 · 计算机科学 2018-06-15 Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

This paper investigates performance of a relay assisted hybrid Free Space Optical / Radio Frequency (FSO/RF) communication system. The proposed structure is particularly recommended anywhere that direct RF communication between mobile users…

信号处理 · 电气工程与系统科学 2019-05-22 Mohammad Ali Amirabadi

In this paper, we investigate the secrecy performance of underlay cognitive small-cell radio network with unreliable backhaul connections. The secondary cognitive small-cell transmitters are connected to macro base station by wireless…

信号处理 · 电气工程与系统科学 2021-03-11 Jinghua Zhang , Chinmoy Kundu , Emi Garcia-Palacios

In this paper, we consider a large scale multiple input multiple output (LS-MIMO) relaying system, where an information source sends the message to its intended destination aided by an LS-MIMO relay, while a passive eavesdropper tries to…

信息论 · 计算机科学 2015-05-13 Xiaoming Chen , Lei Lei , Huazi Zhang , Chau Yuen

In this paper, we investigate physical-layer security for a heterogeneous cellular network consisting of a macro cell and a small cell in the presence of a passive eavesdropper that intends to tap both the macro-cell and small-cell…

信息论 · 计算机科学 2019-01-30 Yulong Zou , Tong Wu , Ming Sun , Jia Zhu , Mujun Qian , Chen Liu

In this letter, we analyze the secrecy outage probability (SOP) over fluctuating two-ray fading channels but with a different definition from the one adopted in [5]. Following the new defined SOP, we derive an analytical closed-form…

信号处理 · 电气工程与系统科学 2019-05-30 Hui Zhao , Liang Yang , Gaofeng Pan , Mohamed-Slim Alouini

This paper investigates the system outage performance of a simultaneous wireless information and power transfer (SWIPT) based two-way decode-and-forward (DF) relay network, where potential hardware impairments (HIs) in all transceivers are…

信息论 · 计算机科学 2021-10-19 Guangyue Lu , Zhipeng Liu , Yinghui Ye , Xiaoli Chu

In this paper, a communication network using single carrier with cyclic prefix modulation over frequency selective channels is considered, where an access point provides connectivity to a legitimate destination through multiple transmitters…

信号处理 · 电气工程与系统科学 2021-02-18 Shashi Bhushan Kotwal , Chinmoy Kundu , Sudhakar Modem , Ankit Dubey , Mark F. Flanagan

This paper investigates the impact of realistic propagation conditions on the achievable secrecy performance of multiple-input multiple-output systems in the presence of an eavesdropper. Specifically, we concentrate on the $\kappa$-$\mu$…

This paper investigates a two-way relay nonorthogonal multiple access (TWR-NOMA) system, where two groups of NOMA users exchange messages with the aid of one half-duplex (HD) decode-and-forward (DF) relay. Since the…

信息论 · 计算机科学 2018-01-26 Xinwei Yue , Yuanwei Liu , Shaoli Kang , Arumugam Nallanathan , Yue Chen

This paper studies the secrecy performance of multiple-input multiple-output (MIMO) wiretap channels, also termed as multiple-input multiple-output multiple-eavesdropper (MIMOME) channels, under transmit antenna selection (TAS) and…

信号处理 · 电气工程与系统科学 2019-04-30 Chongjun Ouyang , Zeliang Ou , Lu Zhang , Hongwen Yang , Xin Zhang

Two-hop security communication with an eavesdropper in wireless environment is a hot research direction. The basic idea is that the destination, simultaneously with the source, sends a jamming signal to interfere the eavesdropper near to or…

信息论 · 计算机科学 2013-10-03 Zhen Qu , Shengli Zhang , Mingjun Dai , Hui Wang