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2020 IEEE Latin-American Conference on Communications (LATINCOM)最新文献

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On the Performance of Visible Light Communications in Underground Mines 地下矿山可见光通信性能研究
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282338
Pablo Palacios Játiva, César A. Azurdia-Meza, Milton Román Cañizares, Iván Sánchez, D. Iturralde
{"title":"On the Performance of Visible Light Communications in Underground Mines","authors":"Pablo Palacios Játiva, César A. Azurdia-Meza, Milton Román Cañizares, Iván Sánchez, D. Iturralde","doi":"10.1109/LATINCOM50620.2020.9282338","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282338","url":null,"abstract":"Underground mining is an industry worldwide known for its hostile work environment; therefore, a proper communication system is essential to preserve the miners' safety and efficiency in their work. However, the irregular characteristics of the tunnels and the interference that occurs in underground mines (UM) makes it difficult to implement traditional communication systems, such as those based on radio frequency (RF). Therefore, a practical and viable solution is to complement RF systems with infrastructure based on visible light communication (VLC) systems. This emerging technology can provide robust communication and continuous lighting in harsh environments. Nevertheless, to date, specific VLC systems for UM have not been widely developed or studied, although there is extensive literature on VLC applications in other non-hostile environments. In this paper, a study on the special physical characteristics and external factors of UM that affect the performance of VLC systems applied to these environments is presented. Particular factors considered include orientation of light-emitting diodes (LEDs) and photo-diodes (PDs), non-uniform walls, shadowing produced by heavy machinery, and scattering produced by dust particles. The impulse response of the optical UM channel and the received power distribution in the underground mining scenario are presented. Numerical results through simulations show and validate the adverse effect of the UM features on the VLC channel.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130490037","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
Performance Evaluation of PTP Synchronization Networks for 5G Front/Mid-Haul Transport 面向5G前/中程传输的PTP同步网络性能评估
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282341
Espedito Zaccaro, L. Ronchetti, A. Lometti, Sebastian Troia, S. Bregni
{"title":"Performance Evaluation of PTP Synchronization Networks for 5G Front/Mid-Haul Transport","authors":"Espedito Zaccaro, L. Ronchetti, A. Lometti, Sebastian Troia, S. Bregni","doi":"10.1109/LATINCOM50620.2020.9282341","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282341","url":null,"abstract":"New mobile 5G networks development is focused on guaranteeing reliable low-latency services to a large number of connected devices. To achieve these goals, 5G Radio Access Techniques (RAT) require unprecedentedly accurate time synchronization of network elements. Therefore, synchronization performance evaluation is essential in system design. We evaluated the performance of time synchronization networks for 5G Front/Mid-Haul Transport systems. In the time domain, we simulated clock systems as defined by ITU-T in the Full Timing Support architecture, where frequency and time synchronization are achieved via Synchronous Ethernet (SyncE) and IEEE 1588 / Precision Time Protocol (PTP), respectively. Clock models have been coded in Simulink modules, which can be combined to simulate various network topologies. In this paper, we present simulations of clocks and ring synchronization networks for 5G Front/Mid-Haul, considering generated noise and rearrangements after link failures. Experimental measurements on real equipment were carried out, to tune model parameters and for comparison with simulation results.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129348448","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
DFT and ANN based channel estimation techniques combined to 3-tap equalization for a proposed FBMC scattered pilot frame model 基于DFT和神经网络的信道估计技术与三分岔均衡相结合，提出了一种FBMC分散导频帧模型
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282300
Jefferson Jesus Hengles Almeida, C. Akamine, P. B. Lopes
{"title":"DFT and ANN based channel estimation techniques combined to 3-tap equalization for a proposed FBMC scattered pilot frame model","authors":"Jefferson Jesus Hengles Almeida, C. Akamine, P. B. Lopes","doi":"10.1109/LATINCOM50620.2020.9282300","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282300","url":null,"abstract":"This work presents a Filter Bank Multi Carrier (FBMC) based digital TV frame model combined to novel 3-tap Artificial Neural Network (ANN) and statistical Discrete Fourier Transform (DFT) channel estimation techniques. This arrangement improves the spectral efficiency and robustness of the transmission of data by avoiding the use of Cyclic Prefix (CP). The results show that pilot aided FBMC frame can be employed in digital TV applications. The Bit Error Rate (BER) curves demonstrate that ANN and DFT with statistical threshold 3-tap methods enhance the performance in multipath scenarios in comparison to traditional techniques.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123606727","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
Outdoor-to-Indoor Propagation at sub-6 GHz band: Measurements and Analysis in Multi-Storey Environment 6ghz以下的室内外传播:多层环境下的测量与分析
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282337
Kelvin Arana, Luis E. Morales, M. Arias
{"title":"Outdoor-to-Indoor Propagation at sub-6 GHz band: Measurements and Analysis in Multi-Storey Environment","authors":"Kelvin Arana, Luis E. Morales, M. Arias","doi":"10.1109/LATINCOM50620.2020.9282337","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282337","url":null,"abstract":"This paper presents the results from a sub-6 GHz measurement campaign performed at 5.84 GHz to investigate outdoor-to-indoor (O2I) propagation for a multi-storey building. We use the measurement samples and the close-in (CI) model, to characterize the large scale propagation parameters. Our results show that the floor attenuation factor (FAF) path loss increases at average of 2.93 dB per building floor. At LOS conditions path loss exponent (PLE) was 1.02 and for the five floors, the average PLE was 1.59. We verified the accuracy of the CI model using the FAF and the empirical reference values with an average error of 1.19 dB compared to 6.64 dB theoretical data calculated. From the statistical analysis, we showed that the received power cumulative density function follows a Gaussian distribution. Our measurement analysis proves the feasibility of using the 5.84 GHz frequency as a tolerable industry path loss average of 110.76 dB for the O2I multi-storey environment.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122994647","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
Cybersecurity as Information Retrieval Dimension for Cloud-based Edge-powered IoT Search 网络安全作为基于云的边缘物联网搜索的信息检索维度
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282336
Cristyan Manta-Caro, J. M. Fernández-Luna, Wilmar Jaimes Fernández
{"title":"Cybersecurity as Information Retrieval Dimension for Cloud-based Edge-powered IoT Search","authors":"Cristyan Manta-Caro, J. M. Fernández-Luna, Wilmar Jaimes Fernández","doi":"10.1109/LATINCOM50620.2020.9282336","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282336","url":null,"abstract":"The Internet of Things is a novel and promising paradigm already being part of some of our daily activities. At the end of this year, the Internet will connect about 7 billion smart things. They are part of solutions ranging from Smart Cities to telemetry collection for Industrial applications generating a colossal amount of real-time streaming data. Cloud-based services have also being evolved from pure IaaS providing Virtual Machines to sophisticated PaaS, SaaS, and FaaS designed explicitly for Big Data, Analytics and IoT, they all exhibiting serverless architectures. Moreover, Information Retrieval (IR) is becoming a crucial application layer on top of IoT application for searching and retrieving relevant data on the real-time streaming collections, on sensors, or things. In the last years, a significant set of approaches have been explored IoT, Big Data, and IoT Search Engines. However, the cybersecurity has not been meticulously researched. Neither for IoT nor IR, as a critical component at searching on the IoT. In this paper, we present an approach to consider cybersecurity as an IR dimension for cloud-based edge-powered searching over IoT from a theoretical perspective, we compare through a compact survey the related works and finalise with a multi-perspective discussion to embrace cybersecurity in the IoT/IoTSE architectures.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116038958","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
Maximizing the Transmission Rate in Optical Systems using Swarm Intelligence 利用群智能实现光学系统传输速率最大化
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282307
Felipe C. N. O. Lima, E. Barboza, J. Martins-Filho, C. J. A. B. Filho
{"title":"Maximizing the Transmission Rate in Optical Systems using Swarm Intelligence","authors":"Felipe C. N. O. Lima, E. Barboza, J. Martins-Filho, C. J. A. B. Filho","doi":"10.1109/LATINCOM50620.2020.9282307","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282307","url":null,"abstract":"Optical networks are currently the only technology capable of providing extremely high data transmission rates. Because of this, systems must be increasingly efficient and immune to failures. One of the ways to improve network efficiency is to use dynamic systems. One of the solutions is the use of ACOP (Adaptive Control of Operating Point) techniques, which consists of autonomously choosing the best operating point for optical amplifiers on the link, thus providing the best configuration in terms of QoT (Quality of transmission). Unlike the previous works that focused on optimizing QoT and OSNR (Optical Signal-To-Noise Ratio), our proposal is focused on maximizing the transmission rate. In this paper, we deploy a global optimizer, called Particle Swarm Optimization, to solve the ACOP problem and choose the best configuration for an optical link concerning the transmission rate. We showed that our proposal outperforms the previous ACOP approaches found in the literature for a set of link scenarios concerning the transmission rate.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125998348","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
A Spectral Efficiency Enhancement for Chirp Spread Spectrum Downlink Communications 提高啁啾扩频下行通信的频谱效率
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282266
D. C. Araújo, G. Ferré, C. Cavalcante, I. Guerreiro
{"title":"A Spectral Efficiency Enhancement for Chirp Spread Spectrum Downlink Communications","authors":"D. C. Araújo, G. Ferré, C. Cavalcante, I. Guerreiro","doi":"10.1109/LATINCOM50620.2020.9282266","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282266","url":null,"abstract":"The objective of the paper is to propose a transmitter/receiver system that increases the spectral efficiency in the context of CSS-type downlink communications. For this purpose, we propose to transmit simultaneously on the same time/frequency resources signals intended for several receivers. By controlling the level of interference between the different users and the properties of quasi-orthogonality between up and down chirps, we show that each receiver can correctly demodulate the symbols intended for it.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"206 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123229329","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
Space-time-color coding for QuadLED Color Shift Keying Modulation for Visible Light Communications 可见光通信中四极led色移键控调制的空时色编码
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282313
I. S. C. Rodrigues, L. Ximenes
{"title":"Space-time-color coding for QuadLED Color Shift Keying Modulation for Visible Light Communications","authors":"I. S. C. Rodrigues, L. Ximenes","doi":"10.1109/LATINCOM50620.2020.9282313","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282313","url":null,"abstract":"This paper proposes a novel coding scheme to Visible Light Communications (VLC) systems by using color diversity in addition to the expected diversity gains. This scheme alleviates the impact of monochromatic degradation of the visible light channel while still providing the regular space and time diversity gains. This scheme can be used in a single-input and single-output (SISO) system as well as in multiple-input and multiple-output (MIMO) systems and can be expanded to higher order color shift keying (CSK) modulations. Simulations were made to compare the performance of the proposed scheme to the traditional QuadLED (QLED) CSK system without any coding for SISO and MIMO systems. The results show that gains of up to 13dB can be achieved by this coding scheme under strong monochromatic channel degradation.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128116317","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
Improving DDoS Detection in IoT Networks Through Analysis of Network Traffic Characteristics 通过分析网络流量特征，提高物联网DDoS检测能力
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282265
Wanderson L. Costa, M. M. Silveira, Thelmo P. de Araujo, R. Gomes
{"title":"Improving DDoS Detection in IoT Networks Through Analysis of Network Traffic Characteristics","authors":"Wanderson L. Costa, M. M. Silveira, Thelmo P. de Araujo, R. Gomes","doi":"10.1109/LATINCOM50620.2020.9282265","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282265","url":null,"abstract":"The evolution of devices allowed the evolution of service provision, applying new technologies based on the Internet of Things (IoT). Most of IoT devices have security vulnerabilities, making them susceptible to Distributed Denial of Service (DDoS) attacks. Thus, it is necessary to apply solutions that can detect it in IoT networks based on data about the network traffic. However, there is no standard of the most suitable traffic characteristics for DDoS detection, since the use of inappropriate characteristics harms the detection. Within this context, this paper presents an analysis of the most important traffic characteristics for detecting DDoS in IoT networks, in order to support a detection mechanism based on Machine Learning (ML). Experiments using a real dataset suggest that the proposed mechanism has an accuracy close to 99% when the most suitable characteristics are selected.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123367710","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
Patcher: Towards Fault - Tolerant Probing Planning for In-band Network Telemetry 带内网络遥测的容错探测规划
2020 IEEE Latin-American Conference on Communications (LATINCOM) Pub Date : 2020-11-18 DOI: 10.1109/LATINCOM50620.2020.9282348
A. G. Castro, V. H. Lopes, F. Vogt, F. Rossi, A. Lorenzon, M. C. Luizelli
{"title":"Patcher: Towards Fault - Tolerant Probing Planning for In-band Network Telemetry","authors":"A. G. Castro, V. H. Lopes, F. Vogt, F. Rossi, A. Lorenzon, M. C. Luizelli","doi":"10.1109/LATINCOM50620.2020.9282348","DOIUrl":"https://doi.org/10.1109/LATINCOM50620.2020.9282348","url":null,"abstract":"In-band Network Telemetry (INT) is a recent network monitoring approach. Despite the existence of a few initiatives to orchestrate the collection of in-band network statistics, little has yet been done to coordinate active INT probes to collect network information efficiently while considering the possibility of device failures (e.g., power failure, hardware failure). In this paper, we introduce Patcher - fault-tolerant probing planning for INT. It reconstructs probing cycles affected by failure nodes and optimizes them while ensuring all non-affected links/statistics are still being traversed/collected. Results show that Patcher reduces the number of probe cycles needed up to 5.5x compared to a state-of-the-art solution, while not increasing the INT collectors' load.","PeriodicalId":309189,"journal":{"name":"2020 IEEE Latin-American Conference on Communications (LATINCOM)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124456430","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: 2
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