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We consider the problem of Spectrum Sensing in Cognitive Radio Systems. We have developed a distributed algorithm that the Secondary users can run to sense the channel cooperatively. It is based on sequential detection algorithms which…

Information Theory · Computer Science 2008-09-19 Vinod Sharma , ArunKumar Jayaprakasam

Efficient utilization of licensed spectrum in the cognitive radio network is challenging due to lack of coordination among the Secondary Users (SUs). Distributed algorithms proposed in the literature aim to maximize the network throughput…

Signal Processing · Electrical Eng. & Systems 2018-11-19 Suneet Sawant , Rohit Kumar , Manjesh K. Hanawal , Sumit J. Darak

In this paper, a new cooperation structure for spectrum sensing in cognitive radio networks is proposed which outperforms the existing commonly-used ones in terms of energy efficiency. The efficiency is achieved in the proposed design by…

Information Theory · Computer Science 2015-09-11 Younes Abdi , Tapani Ristaniemi

In this paper, a cooperative spectrum sensing scheme based on compressive sensing is proposed. In this scheme, secondary users (SUs) are organized in clusters. In each cluster, SUs forward their compressed signals to the cluster head. Then,…

Information Theory · Computer Science 2019-12-12 Fatima Salahdine , Elias Ghribi , Naima Kaabouch

This paper considers a cognitive radio network in which each secondary user selects a primary user to assist in order to get a chance of accessing the primary user channel. Thus, each group of secondary users assisting the same primary user…

Computer Science and Game Theory · Computer Science 2014-09-22 Nof Abuzainab , Sai Rakshit Vinnakota , Corinne Touati

A key feature of federated learning (FL) is to preserve the data privacy of end users. However, there still exist potential privacy leakage in exchanging gradients under FL. As a result, recent research often explores the differential…

Cryptography and Security · Computer Science 2024-03-20 Yuntao Wang , Zhou Su , Yanghe Pan , Tom H Luan , Ruidong Li , Shui Yu

With the rapid growth of sensor technology, smartphone sensing has become an effective approach to improve the quality of smartphone applications. However, due to time-varying wireless channels and lack of incentives for the users to…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-02 Boya Di , Tianyu Wang , Lingyang Song , Zhu Han

Small cell base stations (SBSs) endowed with cloud-like computing capabilities are considered as a key enabler of edge computing (EC), which provides ultra-low latency and location-awareness for a variety of emerging mobile applications and…

Computer Science and Game Theory · Computer Science 2017-05-15 Lixing Chen , Jie Xu

In this paper, we propose a semi-distributed cooperative spectrum sen sing (SDCSS) and channel access framework for multi-channel cognitive radio networks (CRNs). In particular, we c onsider a SDCSS scheme where secondary users (SUs)…

Networking and Internet Architecture · Computer Science 2014-06-19 Le Thanh Tan , Long Bao Le

Machine Learning in coalition settings requires combining insights available from data assets and knowledge repositories distributed across multiple coalition partners. In tactical environments, this requires sharing the assets, knowledge…

Machine Learning · Computer Science 2019-10-16 D. Verma , S. Calo , S. Witherspoon , E. Bertino , A. Abu Jabal , A. Swami , G. Cirincione , S. Julier , G. White , G. de Mel , G. Pearson

The issue of group-blind multiuser detection in MAC channel among wireless nodes in the environment of multiple networks coexisting and sharing spectrum is addressed under the Framework of coalitional game. We investigate the performance…

Computer Science and Game Theory · Computer Science 2008-12-04 Cuilian Li , Zhen Yang

Federations among sets of Cloud Providers (CPs), whereby a set of CPs agree to mutually use their own resources to run the VMs of other CPs, are considered a promising solution to the problem of reducing the energy cost. In this paper, we…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-02-23 Marco Guazzone , Cosimo Anglano , Matteo Sereno

Federated learning is a setting where agents, each with access to their own data source, combine models from local data to create a global model. If agents are drawing their data from different distributions, though, federated learning…

Computer Science and Game Theory · Computer Science 2020-12-18 Kate Donahue , Jon Kleinberg

Cooperative spectrum sensing (CSS) is a promising approach to improve the detection of primary users (PUs) using multiple sensors. However, there are several challenges for existing combination methods, i.e., performance degradation and…

Signal Processing · Electrical Eng. & Systems 2024-09-30 Peng Yi , Yang Cao , Xin Kang , Ying-Chang Liang

Collaborative Perception (CP) has been a promising solution to address occlusions in the traffic environment by sharing sensor data among collaborative vehicles (CoV) via vehicle-to-everything (V2X) network. With limited wireless bandwidth,…

Robotics · Computer Science 2024-07-02 Yukuan Jia , Yuxuan Sun , Ruiqing Mao , Zhaojun Nan , Sheng Zhou , Zhisheng Niu

This paper considers the cooperation between a cognitive system and a primary system where multiple cognitive base stations (CBSs) relay the primary user's (PU) signals in exchange for more opportunity to transmit their own signals. The…

Information Theory · Computer Science 2015-06-04 Gan Zheng , S. H. Song , Kai-Kit Wong , Bjorn Ottersten

In this work, we take the initiative in studying the information-theoretic tradeoff between communication and quickest change detection (QCD) under an integrated sensing and communication setting. We formally establish a joint communication…

Information Theory · Computer Science 2024-10-11 Daewon Seo , Sung Hoon Lim

In Cognitive Radio (CR) networks, multiple secondary network users (SUs) attempt to communicate over wide potential spectrum without causing significant interference to the Primary Users (PUs). A spectrum sensing algorithm is a critical…

Networking and Internet Architecture · Computer Science 2013-04-04 Yuan Lu , Alexandra Duel-Hallen

Federated Learning (FL), a privacy-oriented distributed ML paradigm, is being gaining great interest in Internet of Things because of its capability to protect participants data privacy. Studies have been conducted to address challenges…

Cryptography and Security · Computer Science 2023-06-08 Jianhua Wang , Xiaolin Chang , Jelena Mišić , Vojislav B. Mišić , Lin Li , Yingying Yao

In this paper, we investigate the performance of conventional cooperative sensing (CCS) and superior selective reporting (SSR)-based cooperative sensing in an energy harvesting-enabled heterogeneous cognitive radio network (HCRN). In…