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Wi-Fi systems based on the family of IEEE 802.11 standards that operate in unlicenced bands are the most popular wireless interfaces that use Listen Before Talk (LBT) methodology for channel access. Distinctive feature of majority of…

Signal Processing · Electrical Eng. & Systems 2021-03-30 Vukan Ninkovic , Dejan Vukobratovic , Aleksandar Valka , Dejan Dumic

The ever-increasing need for spectrum for mobile broadband systems has led to the recent allocation of spectral resources for International Mobile Telecommunication (IMT) services in the upper mid band (6.425 - 7.125 GHz) at the World Radio…

Security threats such as jamming and route manipulation can have significant consequences on the performance of modern wireless networks. To increase the efficacy and stealthiness of such threats, a number of extremely challenging,…

Networking and Internet Architecture · Computer Science 2017-08-23 Liyang Zhang , Francesco Restuccia , Tommaso Melodia , Scott M. Pudlewski

In this paper, we present a low-complexity algorithm for detection in high-rate, non-orthogonal space-time block coded (STBC) large-MIMO systems that achieve high spectral efficiencies of the order of tens of bps/Hz. We also present a…

Information Theory · Computer Science 2015-05-13 Saif K. Mohammed , Ahmed Zaki , A. Chockalingam , B. Sundar Rajan

With the increasingly complex and changeable electromagnetic environment, wireless communication systems are facing jamming and abnormal signal injection, which significantly affects the normal operation of a communication system. In…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Tingyan Kuang , Huichao Chen , Lu Han , Rong He , Wei Wang , Guoru Ding

Prior works have explored multi-armed bandit (MAB) algorithms for the selection of optimal beams for millimeter-wave (mmW) communications between base station and mobile users. However, when the number of beams is large, the existing MAB…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Akanksha Sneh , Shobha Sundar Ram , Sumit J Darak , Aakanksha Tewari

As a promising key technology of 6th generation (6G) mobile communication system, integrated sensing and communication (ISAC) technology aims to make full use of spectrum resources to enable the functional integration of communication and…

Signal Processing · Electrical Eng. & Systems 2024-04-22 Haotian Liu , Zhiqing Wei , Fengyun Li , Yuewei Lin , Hanyang Qu , Huici Wu , Zhiyong Feng

Passive monitoring utilizing distributed wireless sniffers is an effective technique to monitor activities in wireless infrastructure networks for fault diagnosis, resource management and critical path analysis. In this paper, we introduce…

Networking and Internet Architecture · Computer Science 2013-02-01 Huy Nguyen , Gabriel Scalosub , Rong Zheng

Rate control at the MAC-layer is one of the fundamental building blocks in many wireless networks. Over the past two decades around thirty mechanisms have been proposed in the literature. Among them, there are mechanisms that make rate…

Networking and Internet Architecture · Computer Science 2018-07-10 Wei Yin , Peizhao Hu , Jadwiga Indulska , Marius Portmann , Ying Mao

For systems and devices, such as cognitive radio and networks, that need to be aware of available frequency bands, spectrum sensing has an important role. A major challenge in this area is the requirement of a high sampling rate in the…

Information Theory · Computer Science 2014-08-21 M. R. Avendi , K. Haghighi , A. Panahi , M. Viberg

Integrated sensing and communication is a key feature in next-generation wireless networks, enabling joint data transmission and environmental radar sensing on shared spectrum. In multi-user scenarios, simultaneous transmissions cause…

Signal Processing · Electrical Eng. & Systems 2026-01-30 Laurits Randers , Martin Voigt Vejling , Petar Popovski

Optimal MIMO detection has been one of the most challenging and computationally inefficient tasks in wireless systems. We show that the new analog computing techniques like Coherent Ising Machines (CIM) are promising candidates for…

Networking and Internet Architecture · Computer Science 2024-09-06 Abhishek Kumar Singh , Kyle Jamieson , Davide Venturelli , Peter McMahon

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

Wireless Sensor Network (WSN) is an attractive choice for a variety of applications as no wired infrastructure is needed. Other wireless networks are not as energy constrained as WSNs, because they may be plugged into the mains supply or…

Information Theory · Computer Science 2013-09-12 Eleazar Chukwuka , Kamran Arshad

Energy conservation has been an important area of interest in Wireless Sensor networks (WSNs). Medium Access Control (MAC) protocols play an important role in energy conservation. In this paper, we describe CSMA based MAC protocols for WSN…

Networking and Internet Architecture · Computer Science 2012-05-09 Himanshu singh , Bhaskar Biswas

Growing number of wireless devices and networks has increased the demand for the scarce resource, radio spectrum. Next generation communication technologies, such as Cognitive Radio provides a promising solution to efficiently utilize radio…

Signal Processing · Electrical Eng. & Systems 2018-05-23 Adnan Quadri

In this paper, we consider the channel allocation problem for throughput maximization in cognitive radio networks with hardware-constrained secondary users. Specifically, we assume that secondary users exploit spectrum holes on a set of…

Networking and Internet Architecture · Computer Science 2014-04-09 Le Thanh Tan , Long Bao Le

Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generation (5G) of wireless communication systems features native…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Leatile Marata , Onel Luis Alcaraz López , Eduardo Noboro Tominaga , Hirley Alves

The last decade, (2012 - 2022), saw an unprecedented advance in machine learning (ML) techniques, particularly deep learning (DL). As a result of the proven capabilities of DL, a large amount of work has been presented and studied in almost…

Networking and Internet Architecture · Computer Science 2023-02-28 Mostafa Hussien , Islam A. T. F. Taj-Eddin , Mohammed F. A. Ahmed , Ali Ranjha , Kim Khoa Nguyen , Mohamed Cheriet

The large number of sensors and actuators that make up the Internet of Things obliges these systems to use diverse technologies and protocols. This means that IoT networks are more heterogeneous than traditional networks. This gives rise to…