Implementation of spectrum sensing techniques for cognitive radio systems [PDF]
, 2011 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This work presents a method for real-time detection of secondary users at the cognitive wireless technologies base stations.
Radhi, Nazar Mortada
core
Distributed Spectrum Management in Cognitive Radio Networks by Consensus-Based Reinforcement Learning [PDF]
, 2021 In this paper, we propose a new algorithm for distributed spectrum sensing and channel selection in cognitive radio networks based on consensus. The algorithm operates within a multi-agent reinforcement learning scheme.
Dejan Dašić +5 more
core +1 more source
Designable van der Waals Crystal for Artificial Neuronal Cell Mimicking
Advanced Materials, EarlyView.Designable van der Waals crystal has been demonstrated for device‐scale neuronal cell mimicking. The structural similarity between ion‐channel in biological membranes and layered vdW lattices is realized with nano‐crystallization via Ar + H2S plasma sulfurization.
Jinhyoung Lee +23 more
wiley +1 more source
Securing Cognitive Wireless Sensor Networks: A Survey [PDF]
, 2014 Wireless sensor networks (WSNs) have gained a lot of attention recently due to the potential they provide for developing a plethora of cost-efficient applications. Although research on WSNs has been performed for more than a decade, only recently has the
Fragkiadakis, Alexandros +8 more
core +1 more source
Grounding Large Language Models for Robot Task Planning Using Closed‐Loop State Feedback
Advanced Robotics Research, EarlyView.BrainBody‐Large Language Model (LLM) introduces a hierarchical, feedback‐driven planning framework where two LLMs coordinate high‐level reasoning and low‐level control for robotic tasks. By grounding decisions in real‐time state feedback, it reduces hallucinations and improves task reliability.
Vineet Bhat +4 more
wiley +1 more source
Energy-Aware Approaches in Cognitive Radio Sensor Networks
Telemática, 2020 Wireless Sensor Networks (WSN) constitute a new application field that has attracted great interest among researchers in recent years [1]. Due to the expansion of WSN scenarios running in Industrial, Scientific, and Medical (ISM) bands, a new challenge ...
Karel Toledo de la Garza
doaj
Sustainability Enhancement Multihop Clustering in Cognitive Radio Sensor Networks
International Journal of Distributed Sensor Networks, 2015 A cognitive radio based hybrid data-type clustering (CR-HDC) algorithm is proposed to maximize network energy efficiency of cognitive radio (CR) sensor networks (CRSNs).
Jong-Hong Park +2 more
doaj +1 more source
A Radio Environment Maps Estimation Algorithm based on the Pixel Regression Framework for Underlay Cognitive Radio Networks Using Incomplete Training Data [PDF]
, 2020 In the underlay cognitive radio networks, the radio environment maps (REMs) estimation is the main challenge in sensing the idle wireless spectrum resources.
Ying Xu, Lei Xue, Zunyang Liu, Xu Han
core +1 more source
Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots
Advanced Robotics Research, EarlyView.Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley +1 more source
A Power Spectrum Maps Estimation Algorithm Based on Generative Adversarial Networks for Underlay Cognitive Radio Networks [PDF]
, 2020 In the underlay cognitive radio networks, the main challenge in detecting the idle radio resources is to estimate the power spectrum maps (PSMs), where the radio propagation characteristics are hard to obtain.
Ying Xu, Lei Xue, Fucai Shao, Xu Han
core +1 more source