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Related papers: Protocol-independent critical node detection

200 papers

A new prototype wireless data acquisition system has been developed with the intended application to read-out instrumentation systems having a large number of channels. In addition such system could be deployed in smaller detectors…

Instrumentation and Detectors · Physics 2013-10-07 P. De Lurgio , Z. Djurcic , G. Drake , R. Hashemian , A. Kreps , M. Oberling , T. Pearson , H. Sahoo

Semantic communication is a new paradigm that exploits deep learning models to enable end-to-end communications processes, and recent studies have shown that it can achieve better noise resiliency compared with traditional communication…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Wenyu Zhang , Kaiyuan Bai , Sherali Zeadally , Haijun Zhang , Hua Shao , Hui Ma , Victor C. M. Leung

Joint communication and sensing (JCAS) networks are envisioned as a key enabler for a variety of applications which demand reliable wireless connectivity along with accurate and robust sensing capability. When sensing and communication…

Systems and Control · Electrical Eng. & Systems 2024-01-26 Navid Keshtiarast , Pradyumna Kumar Bishoyi , Marina Petrova

The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast channel, even without any network interference, it is known that…

Information Theory · Computer Science 2016-11-17 Marios Kountouris , Jeffrey G. Andrews

We investigate the secure connectivity of wireless sensor networks under the pairwise key distribution scheme of Chan et al.. Unlike recent work which was carried out under the assumption of full visibility, here we assume a (simplified)…

Information Theory · Computer Science 2013-04-03 Osman Yagan , Armand M. Makowski

Hidden nodes in a wireless network refer to nodes that are out of range of other nodes or a collection of nodes. We will discuss a few problems introduced by the RTS/CTS mechanism of collision avoidance and focus on the virtual jamming…

Networking and Internet Architecture · Computer Science 2010-03-23 Viral V. Kapadia , Sudarshan N. Patel , Rutvij H. Jhaveri

A noisy CDMA downlink channel operating under a strict complexity constraint on the receiver is introduced. According to this constraint, detected bits, obtained by performing hard decisions directly on the channel's matched filter output,…

Information Theory · Computer Science 2007-07-13 Ori Shental , Ido Kanter , Anthony J. Weiss

In this paper we expose a dynamic traffic-classification scheme to support multimedia applications such as voice and broadband video transmissions over IEEE 802.11 Wireless Local Area Networks (WLANs). Obviously, over a Wi-Fi link and to…

Networking and Internet Architecture · Computer Science 2011-03-18 Ahmed Riadh Rebai , Said Hanafi

Carrier Sense Multiple Access (CSMA) is widely used as a Medium Access Control (MAC) in wireless networks due to its simplicity and distributed nature. This motivated researchers to find CSMA schemes that achieve throughput optimality. In…

Information Theory · Computer Science 2019-08-13 Ali Maatouk , Mohamad Assaad , Anthony Ephremides

This paper focuses on the design of medium access control protocols for cognitive radio networks. The scenario in which a single cognitive user wishes to opportunistically exploit the availability of empty frequency bands within parts of…

Information Theory · Computer Science 2008-02-20 Lifeng Lai , Hesham El Gamal , Hai Jiang , H. Vincent Poor

The problem of Carrier Sense Multiple Access (CSMA) with multi-packet reception (MPR) is studied. Most prior work has focused on the homogeneous case, where all the mobile users are assumed to have identical packet arrival rates and…

Information Theory · Computer Science 2016-09-09 Shwan Ashrafi , Chen Feng , Sumit Roy

Ever since the feasibility of in-band full-duplex (FD) at the Physical (PHY) layer has been established, several studies have emerged investigating protocol aspects of enabling FD operation in various legacy wireless technologies. Recently,…

Networking and Internet Architecture · Computer Science 2019-05-23 Adnan Aijaz , Parag Kulkarni

In this paper, a new detection algorithm is proposed for turbo coded Code Division Multiple Access (CDMA) signals in detect and forward cooperative channels. Use of user cooperation makes much improvement in the performance of CDMA systems.…

Signal Processing · Electrical Eng. & Systems 2018-03-13 Ebrahim Karami

This paper applies Information Theoretic analysis to packet-based random multiple access communication systems. A new channel coding approach is proposed for coding within each data packet with built-in support for bursty traffic…

Information Theory · Computer Science 2016-11-17 Jie Luo , Anthony Ephremides

With the wide spread of Internet services, developers and users need a greater understanding of the technology of networking. Acquiring a clear understanding of communication protocols is an important step in understanding how a network…

Networking and Internet Architecture · Computer Science 2012-10-09 Sabah Al-Fedaghi

Due to the exponential increase in wireless devices and a diversification of network services, unprecedented challenges, such as managing heterogeneous data traffic and massive access demands, have arisen in next-generation wireless…

Networking and Internet Architecture · Computer Science 2024-12-17 Zhizhen Li , Xuanhao Luo , Mingzhe Chen , Chenhan Xu , Shiwen Mao , Yuchen Liu

This paper focuses on achieving optimal multi-user channel access in distributed networks using a reconfigurable intelligent surface (RIS). The network includes wireless channels with direct links between users and RIS links connecting…

Information Theory · Computer Science 2023-09-25 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

This paper is focused on the cross-layer design problem of joint multiuser detection and power control for energy-efficiency optimization in a wireless data network through a game-theoretic approach. Building on work of Meshkati, et al.,…

Information Theory · Computer Science 2015-03-13 Stefano Buzzi , Valeria Massaro , H. Vincent Poor

In this paper, we consider a massive uncoordinated non-orthogonal multiple access (NOMA) scheme where devices have strict latency requirements and no retransmission opportunities are available. Each device chooses a pilot sequence from a…

Information Theory · Computer Science 2017-07-25 Rana Abbas , Mahyar Shirvanimoghaddam , Yonghui Li , Branka Vucetic

The model order of a wireless channel plays an important role for a variety of applications in communications engineering, e.g., it represents the number of resolvable incident wavefronts with non-negligible power incident from a…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Michael Baur , Michael Würth , Michael Koller , Vlad-Costin Andrei , Wolfgang Utschick