Collaborative spectrum sensing

Author: ddwj

August undefined, 2024

WebNov 1, 2024 · Collaborative spectrum sensing (CSS) is a promising approach to improve the detection performance of SUs, where multiple SUs form a group and share … WebApr 15, 2024 · Spectrum sensing is of crucial importance in cognitive radio (CR) networks. In this paper, a reliable spectrum sensing scheme is proposed, which uses K …

Collaborative spectrum sensing for opportunistic access …

WebApr 14, 2024 · IET Collaborative Intelligent Manufacturing; IET Communications; IET Computer Vision; IET Computers & Digital Techniques ... For solving the optimal sensing policy, a model-augmented deep reinforcement learning algorithm is proposed, which enjoys high learning stability and efficiency, compared to conventional reinforcement learning … Webplied for the collaborative spectrum sensing and censoring. It is shown how the diversity addition principles are applied for distributed detection algorithms, called hereafter as SIMO radar or distributed SIMO radar, implementing Majority Addition (MA) approach and Weighted Majority Addition (WMA) principle. dog pink leash

Spectrum Sharing in the Sky and Space: A Survey

WebSpectrum sensing is the key technology of cognitive radio. In this article, we apply blockchain technology in spectrum sensing process and propose a related algorithm based on reputation. WebCollaborative spectrum sensing has become increasingly popular in cognitive radio networks to enable unlicensed secondary users to coexist with the licensed primary users and share spectrum without interference. Despite its promise in performance enhancement, collaborative sensing is still facing a lot of security challenges. ... WebCollaborative spectrum sensing has become increasingly popular in cognitive radio networks to enable unlicensed secondary users to coexist with the licensed primary … dog platform for motorcycle

Location Privacy Preservation in Collaborative Spectrum Sensing

Sensor Selection Based on Dempster-Shafer Evidence Theory …

WebNov 1, 2009 · Therefore, collaborative spectrum sensing can alleviate the problem of corrupted detection by exploiting the built-in spatial diversity to reduce the probability of interfering with primary users. Since collaborative sensing is generally coordinated over a control channel, efficient cooperation schemes should be investigated to reduce … WebSpectrum Sensing Based on Spectral Correlation. Chad M. Spooner, Richard B. Nicholls, in Cognitive Radio Technology (Second Edition), 2009. ... Ghasemi and Sousa (2007) mentioned the effectiveness of collaborative sensing in multi-user CRNs. In multi-user CRNs, the CR users can achieve the desired performance through collaborative … failing societyWebFeb 23, 2016 · ABSTRACT This research focuses on the problem of information acquisition in the context of spectrum sensing and utilization where a (set of) decision maker(s), by carefully controlling a sequence of actions with uncertain outcomes, dynamically refines his/her belief about stochastically time-varying parameters of interest such as spectrum … failings of the federalist era

"WebCognitive radio (CR) is a future technology capable of solving the spectrum scarcity problem. In a cognitive radio network (CRN), the unlicensed CR users use the unused licensed band of primary users (PUs) while a PU is not active. The available sensing methods to detect the spectrum are matched lter detector, energy detector (ED), and ... " - Collaborative spectrum sensing

Collaborative spectrum sensing

WebJun 14, 2016 · Collaborative spectrum sensing [14,15,16,17,18] (CSS), where local secondary users sense and then send sensing information to the fusion center where the final decision is made, has been studied … WebFeb 23, 2016 · ABSTRACT This research focuses on the problem of information acquisition in the context of spectrum sensing and utilization where a (set of) decision maker(s), by …

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WebIn this paper, in order to tackle major challenges of spectrum exploration & allocation in Cognitive Radio (CR) networks, we apply the general framework of Decision Fusion (DF) to wideband collaborative spectrum se… WebIn this paper, in order to tackle major challenges of spectrum exploration & allocation in Cognitive Radio (CR) networks, we apply the general framework of Decision Fusion (DF) …

Webplied for the collaborative spectrum sensing and censoring. It is shown how the diversity addition principles are applied for distributed detection algorithms, called hereafter as … WebBy definition; LiDAR is a remote sensing technology that deploys laser pulses to measure elevations of ground, infrastructures and forests It operates in the Ultraviolet, visible and …

WebMay 2, 2016 · Collaborative spectrum sensing (CSS) has been suggested to overcome the destructive effect of multipath fading, shadowing, and receiver uncertainty. But, in practice, the reliability of the CSS can be severely decreased by spectrum sensing data falsification (SSDF) attacks. In an SSDF attack, some malicious users intentionally report … WebMay 5, 2024 · Abstract: In this paper, in order to tackle major challenges of spectrum exploration & allocation in Cognitive Radio (CR) networks, we apply the general framework of Decision Fusion (DF) to wideband collaborative spectrum sensing based on Orthogonal Frequency Division Multiplexing (OFDM) reporting. At the transmitter side, …

WebOct 22, 2024 · In , an objection based collaborative spectrum sensing method was proposed to increase the energy efficiency by reducing the number of reporting secondary SUs. In this method all the SUs will sense the channel, but only one SU will report the sensing result to the FC and broadcast the same message to other SUs.

WebJul 1, 2015 · Collaborative spectrum sensing is used by Secondary Users (SUs) in Cognitive Radio Networks to improve spectrum detection performance. To study its performance, Normal Collaborative Spectrum Sensing (NCSS) based on coalitional games is designed and implemented in Wireless Open-Access Research Platform. The … dog plaid shirtWebTo tackle this issue, we propose a new collaborative sensing (CS) scheme which can enhance sensing accuracy effectively by coordinating multiple SUs to participate in … dog play and stay resortWebAbstract: Collaborative Spectrum Sensing (CSS) is considered as a powerful way to improve the utilization of the spectrum resources. However, the open characteristic of Cognitive Radio Sensor Networks (CRSNs) suffer various security threats, such as Spectrum Sensing Data Falsification (SSDF) attack, the defending of this kind of attack … dog plastic bonesWebDec 12, 2024 · Collaborative Spectrum Sensing Performance Based on Reputation Update The proposed algorithm in this paper is also allowed to set a suitable reputation … failing someones probation acasWebSep 5, 2024 · The working process of the centralized collaborative spectrum sensing network is as follows: each user uses the sensing channel to sense a master together. When the sensing is over, the secondary user will transmit all sensing information to the fusion station, and finally the fusion station makes a decision and judges whether the … failing social securityWebOct 30, 2024 · A Secure Collaborative Spectrum Sensing Strategy in Cyber-Physical Systems Abstract: Cyber-physical systems (CPS) have the great potential to … failings of the soham murdersWebDec 26, 2013 · Existing collaborative sensing schemes [18, 59, 61, 74, 82] also show that the performance of spectrum sensing can be improved when more SUs are involved in the collaboration since the spatial diversity can be better exploited with larger amounts of sensing data. Thus, there is strong motivation for multiple SPs to acquire the spectrum ... dog play biting each other