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5G Fixed Wireless Access-Mobile Operator Perspective 5G固定无线接入-移动运营商视角
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/ICCOMM.2018.8430184
E. Oproiu, Iulian Gimiga, I. Marghescu
{"title":"5G Fixed Wireless Access-Mobile Operator Perspective","authors":"E. Oproiu, Iulian Gimiga, I. Marghescu","doi":"10.1109/ICCOMM.2018.8430184","DOIUrl":"https://doi.org/10.1109/ICCOMM.2018.8430184","url":null,"abstract":"Nowadays the demand of capacity, performance and reliability for telecommunications services is increasing a lot. The telecom operators are facing with the increasing traffic demand, new solutions in their network to accommodate the growth must be found. One solution could be the use of 5G Fixed Wireless Access to deliver to the customers a fast and affordable broadband service with a very high performance, more capacity for data traffic, greater download speeds and low latency. In this paper we will provide an overview of such a FWA solution; main advantages, technical characteristics, used spectrum, high level depiction of such system. For the creation of this we've analyzed existing studies and trials that have been performed on this solution, around the globe. Our interest in this solution is high mainly as we see this as an opportunity to achieve convergence fixed mobile in an easier way and secondly as this summer we will be part of the first multi-vendor 5G fixed wireless access customer trial in Europe, here in Romania. Orange Romania will collaborate with Orange Group, Samsung Electronics and Cisco on this 5G millimeter wave trial. The trial will be in the second half of 2018, across multiple homes in Romania.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116862283","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: 10
Improved Algorithm for Butt-Spliced Audio Edit Detection 一种改进的屁股拼接音频编辑检测算法
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/iccomm.2018.8484757
Mihai Belu, A. Ciobanu
{"title":"Improved Algorithm for Butt-Spliced Audio Edit Detection","authors":"Mihai Belu, A. Ciobanu","doi":"10.1109/iccomm.2018.8484757","DOIUrl":"https://doi.org/10.1109/iccomm.2018.8484757","url":null,"abstract":"This paper tackles the detection of cut/copy/paste simple edits performed on audio recordings. Starting from a baseline implementation, we extract more meaningful parameters based on which we derive statistical indicators to evaluate the detection performance of the butt-spliced edit detection method. The experimental tests performed in different recording conditions revealed improved detection rates with false positive rates close to zero.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117075892","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
Low-Cost S-Band FMCW Radar-Based Short-Range Displacement Sensor 低成本s波段FMCW雷达短距离位移传感器
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/iccomm.2018.8484782
Filip Rosu, A. Anghel
{"title":"Low-Cost S-Band FMCW Radar-Based Short-Range Displacement Sensor","authors":"Filip Rosu, A. Anghel","doi":"10.1109/iccomm.2018.8484782","DOIUrl":"https://doi.org/10.1109/iccomm.2018.8484782","url":null,"abstract":"The following paper presents a detailed design of a frequency-modulated continuous wave radar system operating in the S-band, which has a very low cost and can be used for millimetric displacement measurements at close ranges. The low cost has been achieved by excluding any monolithic microwave integrated circuits thus all of the system blocks were designed using discrete components. The market price of all semiconductor components used in this project: radio frequency (RF) transistors, diodes, operational amplifiers, and voltage regulators, is about 9 USD when buying them in minimum quantity. The discrete nature of the system makes it an excellent tutorial on FMCW radar design and RF circuit techniques.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117318799","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
Inter-Satellite Radio Frequency Ranging Techniques for OFDM Communication Systems OFDM通信系统的星间射频测距技术
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/iccomm.2018.8484801
Alexandru-Mihai Crisan
{"title":"Inter-Satellite Radio Frequency Ranging Techniques for OFDM Communication Systems","authors":"Alexandru-Mihai Crisan","doi":"10.1109/iccomm.2018.8484801","DOIUrl":"https://doi.org/10.1109/iccomm.2018.8484801","url":null,"abstract":"Precision formationg flying (PFF) is a solution for the deployment of large scientific instruments in future space missions. Using PFF, multiple satellites can be organized in dynamic formations that can accomodate various mission conditions and can be used to acquire high precision measurements. In such scenarios, precise knowledge of the satellite positioning in terms of distance and orientation is mandatory. This paper presents a comparison between two ranging techniques using a radio frequency inter-satellite link (ISL) based on Orthogonal Frequency-Division Multiplexing (OFDM). Both methods estimate the distance using the frequency-domain properties of an OFDM training symbol. The algorithms are evaluated under multipath and various SNR conditions using MATLAB simulations. The simulations show that the estimation accuracy is at centimeter level and that the distance estimations become biased in the presence of multipath.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122996345","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
Distinguished Guests, Ladies and Gentlemen 各位来宾，女士们，先生们
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/iccomm.2018.8484834
V. Croitoru, Loan Nicolaescu
{"title":"Distinguished Guests, Ladies and Gentlemen","authors":"V. Croitoru, Loan Nicolaescu","doi":"10.1109/iccomm.2018.8484834","DOIUrl":"https://doi.org/10.1109/iccomm.2018.8484834","url":null,"abstract":"This year, once again, I was granted by the Organising Committee with the honour to address you a warm welcome message for attendance to the 12th International Conference on Communications, COMM 2018, in Bucharest. Romania.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123217247","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
Forest Monitoring System Through Sound Recognition 基于声音识别的森林监测系统
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/ICCOMM.2018.8484773
E. Olteanu, Victor Suciu, Svetlana Segarceanu, Ioana Petre, Andrei Scheianu
{"title":"Forest Monitoring System Through Sound Recognition","authors":"E. Olteanu, Victor Suciu, Svetlana Segarceanu, Ioana Petre, Andrei Scheianu","doi":"10.1109/ICCOMM.2018.8484773","DOIUrl":"https://doi.org/10.1109/ICCOMM.2018.8484773","url":null,"abstract":"The surface of land covered by forests is in continuous decline, causing a significant problem for the environment and the population. Loss of forest space through illegal deforestation followed by natural disasters, such as fires, landslides or floods are all affecting our planet. In the past years, the statistics which have been made indicated substantial fall in forest areas. This problem has been raised not just in Romania, but also internationally and researchers are attempting in different ways to combat deforestation and prevent disasters induced by big losses of wood. This article proposes a forest monitoring process to prevent illegal logging. The goal of the system is to identify the possible dangers by continuously recording the noise in the forest, by processing segments of the recorded signals and decide upon the nature of each of these segments. The system will implement an algorithm able to isolate the audio signal corresponding to cutting wood material (for example, by using a saw, etc.). Eventually, the system will produce an alarm to register the specific time when the event was detected. Alarms will be transmitted in real time and will notify the authorities to take actions to prevent illegal deforestation.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122942596","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
Approach to Prevent SYN Flood DoS Attacks in Cloud 云环境下防止SYN Flood DoS攻击的方法
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/ICCOMM.2018.8484802
Raluca Oncioiu, E. Simion
{"title":"Approach to Prevent SYN Flood DoS Attacks in Cloud","authors":"Raluca Oncioiu, E. Simion","doi":"10.1109/ICCOMM.2018.8484802","DOIUrl":"https://doi.org/10.1109/ICCOMM.2018.8484802","url":null,"abstract":"Denial-of-service (DOS) attacks are the most frequent attacks in Cloud. Usually this type of attack consists in sending a large number of requests that will overwhelm the functioning of Cloud. DOS attack implies IP spoofing because each request needs to be different. So the server will consume its resources and it will not be able to reply to a legitimate connection request. SYN floods are the second most common type of DOS attack for Cloud in the last 3 years. SYN floods exploit the flaws in TCP three-way handshake procedures. The attacker sends multiple SYN requests from a spoofed IP address. The server will allocate all the resources needed without receiving any ACK from the attacker. We propose an approach of solving this type of attack for Big Data in Cloud while respecting the Service Level Agreement (SLA) and show that the improvement is considerable.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129676146","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
Transmitter Adaptation in Cognitive Radio Systems and Applications to Cognitive Radar 认知无线电系统中的发射机自适应及其在认知雷达中的应用
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/iccomm.2018.8484817
D. Popescu, O. Popescu
{"title":"Transmitter Adaptation in Cognitive Radio Systems and Applications to Cognitive Radar","authors":"D. Popescu, O. Popescu","doi":"10.1109/iccomm.2018.8484817","DOIUrl":"https://doi.org/10.1109/iccomm.2018.8484817","url":null,"abstract":"The paper presents transmitter adaptation through interference avoidance (IA) for enabling more efficient use of the frequency spectrum in emerging cognitive radio (CR) systems. IA is introduced in a general signal space framework as a procedure that mitigates interference and improves the signal-to-interference+noise ratio (SINR) at the intended receiver by distributing the transmitted signal energy over signal dimensions with minimum interference. Application of IA for transmitter adaptation is illustrated in the context of spectral shaping for OFDM-based CR systems as well as SINR-based waveform design for cognitive radar for estimating the characteristics of multiple mutually interfering targets.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128930842","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
B-Spline Functions for the Design of Crossover Digital Filters 用于交叉数字滤波器设计的b样条函数
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/ICCOMM.2018.8453644
L. Stanciu, V. Stanciu, R. Badea
{"title":"B-Spline Functions for the Design of Crossover Digital Filters","authors":"L. Stanciu, V. Stanciu, R. Badea","doi":"10.1109/ICCOMM.2018.8453644","DOIUrl":"https://doi.org/10.1109/ICCOMM.2018.8453644","url":null,"abstract":"A fast technique for designing of crossover digital filters is proposed. This technique is based on using the B - spline functions in the transition frequency band for designing the two channel crossover filters. The main advantage of the proposed design scheme is that it lowers the computational complexity when compared with other existing techniques. Some examples are included illustrating the resulting crossover filters closely satisfy the reduced overall distortion.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130077467","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
On the Development of Bluetooth Low Energy Devices 低功耗蓝牙设备的发展
2018 International Conference on Communications (COMM) Pub Date : 2018-06-01 DOI: 10.1109/ICCOMM.2018.8430155
S. Mischie
{"title":"On the Development of Bluetooth Low Energy Devices","authors":"S. Mischie","doi":"10.1109/ICCOMM.2018.8430155","DOIUrl":"https://doi.org/10.1109/ICCOMM.2018.8430155","url":null,"abstract":"This paper investigates the possibility to develop a Bluetooth Low Energy (BLE) device as part of Internet of Things chain. For this purpose, both the hardware and the software aspects are considered. Thus, the BLE software stack from Texas Instruments and the CC2541 platform were chosen. Considering the CC2541 Keyfob device which contains an accelerometer, new facilities are firstly introduced by modifying the existing embedded software. Then, a new hardware component is connected, and the necessary software components are included in order to use this new element. The two main applications that are employed to monitor the activity of the BLE devices are analyzed and a new one based on MATLAB is introduced to improve the facilities of the existing applications. Thus, using the ideas presented in this paper, new BLE devices can be developed.","PeriodicalId":158890,"journal":{"name":"2018 International Conference on Communications (COMM)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129972822","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: 5
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