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2021 International Conference on Advanced Technologies for Communications (ATC)最新文献

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Low-Latency and Secure Computation Offloading Assisted by Hybrid Relay-Reflecting Intelligent Surface 基于混合中继反射智能表面的低延迟安全计算卸载
2021 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2021-09-03 DOI: 10.1109/atc52653.2021.9598322
K. Ngo, N. Nguyen, T. Dinh, Trong-Minh Hoang, M. Juntti
{"title":"Low-Latency and Secure Computation Offloading Assisted by Hybrid Relay-Reflecting Intelligent Surface","authors":"K. Ngo, N. Nguyen, T. Dinh, Trong-Minh Hoang, M. Juntti","doi":"10.1109/atc52653.2021.9598322","DOIUrl":"https://doi.org/10.1109/atc52653.2021.9598322","url":null,"abstract":"Recently, the hybrid relay-reflecting intelligent surface (HRRIS) has been introduced as a spectral- and energy-efficient architecture to assist wireless communication systems. In the HRRIS, a single or few active relay elements are deployed along with a large number of passive reflecting elements, allowing it to not only reflect but also amplify the incident signals. In this work, we investigate the potential of the HRRIS in aiding the computation offloading in a single-user mobile edge computing system. The objective is to minimize the offloading latency while ensuring the secrecy of user data against a malicious eavesdropper. We develop efficient solutions to this latency minimization problem based on alternating optimization. Through numerical results, we show that the deployment of the HRRIS can result in a considerable reduction in latency. Furthermore, the latency reduction gain offered by the HRRIS is much more significant than that of the conventional reconfigurable intelligent surface (RIS).","PeriodicalId":196900,"journal":{"name":"2021 International Conference on Advanced Technologies for Communications (ATC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115862983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Average Transmission Rate and Outage Performance of Relay-Assisted Satellite Hybrid FSO/RF Systems 中继辅助卫星FSO/RF混合系统的平均传输速率和中断性能
2021 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2021-07-17 DOI: 10.36227/techrxiv.14971587
Thang V. Nguyen, Hoang D. Le, N. Dang, A. Pham
{"title":"Average Transmission Rate and Outage Performance of Relay-Assisted Satellite Hybrid FSO/RF Systems","authors":"Thang V. Nguyen, Hoang D. Le, N. Dang, A. Pham","doi":"10.36227/techrxiv.14971587","DOIUrl":"https://doi.org/10.36227/techrxiv.14971587","url":null,"abstract":"This paper proposes a rate adaptation design for high altitude platform (HAP)-aided relaying satellite hybrid free-space optical/radio-frequency (FSO/RF) systems. The design allows switching between two links gradually to reduce the frequent link switching in error-prone environments of conventional fixed-rate hybrid FSO/RF systems. System performance metrics, including average transmission rate and outage probability, are analytically studied under the presence of clouds and fading of FSO and RF channels modeled respectively by Gamma-Gamma and Rician distributions. The numerical results quantitatively highlight the effectiveness of our proposed systems over the conventional ones. Moreover, Monte-Carlo simulations are also performed to validate the accuracy of the analytical model.","PeriodicalId":196900,"journal":{"name":"2021 International Conference on Advanced Technologies for Communications (ATC)","volume":"2 4 Suppl 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116774637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An Efficient Shock Advice Algorithm based on K-Nearest Neighbors for Automated External Defibrillators 基于k近邻的自动体外除颤器冲击建议算法
2021 International Conference on Advanced Technologies for Communications (ATC) Pub Date : 2021-06-30 DOI: 10.1109/atc52653.2021.9598311
D. Hai, N. Tuan, Nguyen Thi Thu Hang, L. Châu
{"title":"An Efficient Shock Advice Algorithm based on K-Nearest Neighbors for Automated External Defibrillators","authors":"D. Hai, N. Tuan, Nguyen Thi Thu Hang, L. Châu","doi":"10.1109/atc52653.2021.9598311","DOIUrl":"https://doi.org/10.1109/atc52653.2021.9598311","url":null,"abstract":"Shockable rhythms, namely ventricular fibrillation, and ventricular tachycardia, are the main cause of sudden cardiac arrests (SCA), which can be detected quickly by the automated external defibrillator (AED) devices. In this paper, a simple and efficient shock advice algorithm is developed, and it can be practically applied in AED. The proposed algorithm consists of K-nearest neighbor classifier and an optimal set of 36 features, which are extracted from original ECG and shockable, non-shockable signals using modified variational mode decomposition (MVMD) technique. Cross validation procedure and sequential forward feature selection are carefully applied to select an optimal set from entire feature space. The performance results show that the MVMD is the key element for SCA detection performance, and the proposed algorithm is computationally efficient while featuring greater detection performance compared to previous publications.","PeriodicalId":196900,"journal":{"name":"2021 International Conference on Advanced Technologies for Communications (ATC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115322629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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