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This paper proposes a new channel access procedure to mitigate the channel access contention in next generation of Wireless Local-Area Networks (WLANs) by allowing cooperation among devices belonging to same network, while maintaining high…

Networking and Internet Architecture · Computer Science 2024-10-01 Qing Xia , Salvatore Talarico

In this work, we investigate the physical layer security (PLS) of ambient backscatter communication non-orthogonal multiple access (AmBC-NOMA) networks where non-colluding eavesdroppers (Eves) are randomly distributed. In the proposed…

Systems and Control · Electrical Eng. & Systems 2024-12-10 Xinyue Pei , Xingwei Wang , Min Huang , Yingyang Chen , Xiaofan Li , Theodoros A. Tsiftsis

Security in the Internet of Things (IoT) requires ways to regularly update firmware in the field. These demands ever increase with new, agile concepts such as security as code and should be considered a regular operation. Hosting massive…

Networking and Internet Architecture · Computer Science 2021-09-06 Cenk Gündoğan , Christian Amsüss , Thomas C. Schmidt , Matthias Wählisch

This paper presents a novel pre-shared key (PSK) agreement scheme to establish a secure connection between a Wi-Fi client and access point (AP) without prior knowledge of a password. The standard IEEE 802.11 security method, Robust Security…

Networking and Internet Architecture · Computer Science 2017-11-30 Seokseong Jeon , Chansu Yu , Young-Joo Suh

Secure communication over a memoryless wiretap channel in the presence of a passive eavesdropper is considered. Traditional information-theoretic security methods require an advantage for the main channel over the eavesdropper channel to…

Cryptography and Security · Computer Science 2013-11-18 Azadeh Sheikholeslami , Dennis Goeckel , Hossein Pishro-Nik

The broadcasting nature of the wireless medium makes exposure to eavesdroppers a potential threat. Physical Layer Security (PLS) has been widely recognized as a promising security measure complementary to encryption. It has recently been…

Networking and Internet Architecture · Computer Science 2022-06-15 Sayed Amir Hoseini , Parastoo Sadeghi , Faycal Bouhafs , Neda Aboutorab , Frank den Hartog

Protecting secure random key from eavesdropping in quantum key distribution protocols has been well developed. In this letter, we further study how to detect and eliminate eavesdropping on the random base string in such protocols. The…

Quantum Physics · Physics 2007-06-27 Kai Wen , Fu Guo Deng , Gui Lu Long

We present an approach to random access that is based on three elements: physical-layer network coding, signature codes and tree splitting. Upon occurrence of a collision, physical-layer network coding enables the receiver to decode the sum…

Information Theory · Computer Science 2014-09-25 Jasper Goseling , Cedomir Stefanovic , Petar Popovski

The dynamic establishment of shared information (e.g. secret key) between two entities is particularly important in networks with no pre-determined structure such as wireless sensor networks (and in general wireless mobile ad-hoc networks).…

Cryptography and Security · Computer Science 2008-12-18 V. Liagkou , E. Makri , P. Spirakis , Y. C. Stamatiou

In this letter, the use of intelligent reflecting surface (IRS) to enhance the physical layer security of downlink wireless communication is investigated. Assuming a single-antenna legitimate user and a multi-antenna eavesdropper, we…

Signal Processing · Electrical Eng. & Systems 2020-12-07 Keming Feng , Xiao Li , Yu Han , Shi Jin , Yijian Chen

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

Wireless information surveillance, by which suspicious wireless communications are closely monitored by legitimate agencies, is an integral part of national security. To enhance the information surveillance capability, we propose in this…

Information Theory · Computer Science 2016-12-21 Yong Zeng , Rui Zhang

Driven by the ever-increasing requirements of ultra-high spectral efficiency, ultra-low latency, and massive connectivity, the forefront of wireless research calls for the design of advanced next generation multiple access schemes to…

Information Theory · Computer Science 2024-05-22 Lu Lv , Dongyang Xu , Rose Qingyang Hu , Yinghui Ye , Long Yang , Xianfu Lei , Xianbin Wang , Dong In Kim , Arumugam Nallanathan

Secure group communication in heterogeneous environment is gaining popularity due to the advent of wireless and ubiquitous computing. Although a number of protocols for group key agreement have been proposed, most of them are not applicable…

Cryptography and Security · Computer Science 2009-08-19 Mounita Saha , Dipanwita Roy Chowdhury

We propose a low-complexity near-optimal wavelength allocation technique for quantum key distribution access networks that rely on wavelength division multiple access. Such networks would allow users to send quantum and classical signals…

Quantum Physics · Physics 2022-10-25 Sima Bahrani , Osama Elmabrok , Guillermo Currás-Lorenzo , Mohsen Razavi

Packet switching revolutionized the Internet by allowing the efficient use of network resources for data transmission. In a previous work, we introduced packet switching in quantum networks as a path to the Quantum Internet and presented a…

Quantum Physics · Physics 2023-02-28 Reem Mandil , Stephen DiAdamo , Bing Qi , Alireza Shabani

Wireless communication systems, such as wireless sensor networks and RFIDs, are increasingly adopted to transfer potential highly sensitive information. Since the wireless medium has a sharing nature, adversaries have a chance to eavesdrop…

Cryptography and Security · Computer Science 2017-10-27 Jialin Wan , Siyao Cheng , Shanshan Han , Jianzhong Li

Backscatter wireless communication is an emerging technique widely used in low-cost and low-power wireless systems, especially in passive radio frequency identification (RFID) systems. Recently, the requirement of high data rates, data…

Information Theory · Computer Science 2016-11-15 Qian Yang , Hui-Ming Wang , Yi Zhang , Zhu Han

A general proof of the security against eavesdropping of a previously introduced protocol for two-party quantum key distribution based on entanglement swapping [Phys. Rev. A {\bf 61}, 052312 (2000)] is provided. In addition, the protocol is…

Quantum Physics · Physics 2007-05-23 Adan Cabello

Due to the broadcast nature of radio propagation, the wireless transmission can be readily overheard by unauthorized users for interception purposes and is thus highly vulnerable to eavesdropping attacks. To this end, physical-layer…

Information Theory · Computer Science 2016-11-15 Yulong Zou , Jia Zhu , Xianbin Wang , Victor C. M. Leung