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This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

Information Theory · Computer Science 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

Physical-layer Network Coding (PNC) can significantly improve the throughput of wireless two way relay channel (TWRC) by allowing the two end nodes to transmit messages to the relay simultaneously. To achieve reliable communication, channel…

Networking and Internet Architecture · Computer Science 2016-11-15 Shengli Zhang , Soung-Chang Liew

In this paper, a reconfigurable intelligent surface (RIS)-aided underlay cognitive radio network is investigated. An RIS is utilized to improve the secondary network (SN) reliability and robustness while simultaneously increasing the…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Majid H. Khoshafa , Telex M. N. Ngatchede , Mohamed H. Ahmed

An ad hoc network is a self-organizing network with help of Access Point (AP) of wireless links connecting nodes to another. The nodes can communicate without infrastructure network. They form an random topology (BSS/ESS), where the nodes…

Cryptography and Security · Computer Science 2013-07-17 K. Karnavel , A. Baladhandayutham

Secured communication in ad hoc wireless networks is primarily important, because the communication signals are openly available as they propagate through air and are more susceptible to attacks ranging from passive eavesdropping to active…

Networking and Internet Architecture · Computer Science 2010-07-15 S. Sumathy , B. Upendra Kumar

This paper investigates on the problem of combining routing scheme and physical layer security in multihop wireless networks with cooperative diversity. We propose an ad-hoc natured hop-by-hop best secure relay selection in a multihop…

Information Theory · Computer Science 2018-07-20 Anish Prasad Shrestha , Kyung Sup Kwak

Network slicing over space division multiplexed elastic optical networks (SDM EONs) enables efficient multiservice provisioning on a shared optical substrate. However, embedding such slices requires coordinated spectrum and compute resource…

Networking and Internet Architecture · Computer Science 2026-04-15 Divya Khanure , Riti Gour , Congzhou Li , Jason P. Jue

In this paper, we study the problem of secure routing in a multihop wireless ad-hoc network in the presence of randomly distributed eavesdroppers. Specifically, the locations of the eavesdroppers are modeled as a homogeneous Poisson point…

Information Theory · Computer Science 2016-11-17 Jianping Yao , Suili Feng , Xiangyun Zhou , Yuan Liu

Advances in manufacturing technologies have enabled System-on-Chip (SoC) designers to integrate an increasing number of cores on a single SoC. Increasing SoC complexity coupled with tight time-to-market deadlines has led to increased…

Cryptography and Security · Computer Science 2023-02-14 Subodha Charles , Prabhat Mishra

Network coding is known as a promising approach to improve wireless network performance. How to discover the coding opportunity in relay nodes is really important for it. There are more coding chances, there are more times it can improve…

Networking and Internet Architecture · Computer Science 2012-05-30 Yunlong Zhao , Zhao Dong , Masayuki Iwai , Kaoru Sezaki , Yoshito Tobe

There is a rich recent literature on how to assist secure communication between a single transmitter and receiver at the physical layer of wireless networks through techniques such as cooperative jamming. In this paper, we consider how…

Networking and Internet Architecture · Computer Science 2013-04-10 Majid Ghaderi , Dennis Goeckel , Ariel Orda , Mostafa Dehghan

Multi-access edge computing (MEC) has been regarded as a promising technique for enhancing computation capabilities for wireless networks. In this paper, we study physical layer security in an MEC system where multiple users offload partial…

Information Theory · Computer Science 2021-07-06 Yating Wen , Tong-Xing Zheng , Yongxia Tong , Hao-Wen Liu , Xin Chen , Pengcheng Mu , Hui-Ming Wang

Caching aims to store data locally in some nodes within the network to be able to retrieve the contents in shorter time periods. However, caching in the network did not always consider secure storage (due to the compromise between time…

Information Theory · Computer Science 2017-09-04 Mohsen Karimzadeh Kiskani , Hamid Sadjadpour

In 5G networks, slicing allows partitioning of network resources to meet stringent end-to-end service requirements across multiple network segments, from access to transport. These requirements are shaping technical evolution in each of…

Networking and Internet Architecture · Computer Science 2019-06-26 Nashid Shahriar , Sepehr Taeb , Shihabur Rahman Chowdhury , Mubeen Zulfiqar , Massimo Tornatore , Raouf Boutaba , Jeebak Mitra , Mahdi Hemmati

Random Linear Network Coding (RLNC) is a transmission scheme that opts for linear combinations of the transmitted packets at a subset of the intermediate nodes. This scheme is usually considered when Network Coding (NC) is desired over…

Information Theory · Computer Science 2023-04-27 Amine Brahimi , Fatiha Merazka

Near-field spherical wavefronts enable spotlight-like beam focusing to mitigate unintended energy leakage, creating new opportunities for physical-layer security (PLS). However, under hybrid analog-digital (HAD) antenna architectures,…

Information Theory · Computer Science 2025-12-05 Jiasi Zhou , Huiyun Xia , Chuan Wu , Chintha Tellambura

Ensuring Network-on-Chip (NoC) security is crucial to design trustworthy NoC-based System-on-Chip (SoC) architectures. While there are various threats that exploit on-chip communication vulnerabilities, eavesdropping attacks via malicious…

Cryptography and Security · Computer Science 2026-01-21 Hansika Weerasena , Matthew Randall , Prabhat Mishra

This paper studies the problem of transmitting multiple independent layered video streams over single-hop wireless networks using network coding (NC). We combine feedback-free random linear NC (RLNC) with unequal error protection (UEP) and…

Information Theory · Computer Science 2014-09-04 Mohammad Esmaeilzadeh , Neda Aboutorab

The shift to smart grids has made electrical power systems more vulnerable to sophisticated cyber threats. To protect these systems, holistic security measures that encompass preventive, detective, and reactive components are required, even…

Cryptography and Security · Computer Science 2024-12-09 Omer Sen , Mehdi Akbari Gurabi , Milan Deruelle , Andreas Ulbig , Stefan Decker

We consider the problem of secure communication with multi-antenna transmission in fading channels. The transmitter simultaneously transmits an information bearing signal to the intended receiver and artificial noise to the eavesdroppers.…

Information Theory · Computer Science 2010-07-01 Xiangyun Zhou , Matthew R. McKay