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The extension of existing end-user mobility dataset based on generative adversarial networks 基于生成对抗网络的现有终端用户移动性数据集的扩展
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092404
Marek Ruzicka, Marcel Volosin, J. Gazda, T. Maksymyuk
{"title":"The extension of existing end-user mobility dataset based on generative adversarial networks","authors":"Marek Ruzicka, Marcel Volosin, J. Gazda, T. Maksymyuk","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092404","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092404","url":null,"abstract":"The end-user mobility patterns play an key role in the process of 5G network design. Massive increase of the RAN infastructure complexity creates additional requirements on precise network planning and overall orchestration of the network as such. The possible solution to enhance the statistics feeding the network planning process is to generate massive dataset of the end-user mobility patterns. Unfortunately, we are still constrained with few number of commercialy available datasets, far from the sample statistics needed for machine learning training purposes. Our solution to overcome this problem is to generate additional end user traffic statistics by using generative adversial networks approach. Given the existing sample-constrained end user mobility datasets, GAN network learns to generate new data with the same statistics as the training set. Thus, by leveraging this approach we are able to generate theoretically unlimited samples of realistic end user mobility trajectories. This artificial data jointly with existing limited datasets have the potential to be used for the training blocks of machine learning within the process of the network planning optimization.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116716472","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: 3
Comparative Review of Approximate Multipliers 近似乘数的比较回顾
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092370
Sushree Sila P. Goswami, Bikram Paul, Sunil Dutt, G. Trivedi
{"title":"Comparative Review of Approximate Multipliers","authors":"Sushree Sila P. Goswami, Bikram Paul, Sunil Dutt, G. Trivedi","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092370","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092370","url":null,"abstract":"In the digital signal processing (DSP) system, multiplier is a significant arithmetic module. It contributes mainly in the power consumption and speed, and efficient multipliers are the need of the hour. Approximate computing has added a unique dimension in the area of digital design by reducing area, power and delay. The demand of efficient approximate multipliers is enhancing due to the high speed and fault tolerance as well as its power efficiency. This paper presents comparison of few recent approximate multiplier designs. Experimental results based on the accuracy and circuit parameters are presented. The accuracy parameters are amplitude data accuracy (ACC_amp), information data accuracy (ACC_inf), error rate (ER) and mean error distance (MED). The circuit parameters are delay, power consumption, area. Based on these parameters, the best design in terms of power consumption and area is datapath complexity reduction approximate multiplier which exhibits 58% less power and 61% less area as compared to broken array multiplier.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126984720","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: 3
Design of Efficient AES Architecture for Secure ECG Signal Transmission for Low-power IoT Applications 用于低功耗物联网应用的安全心电信号传输的高效AES架构设计
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092417
Meenali Janveja, Bikram Paul, G. Trivedi, Gonella Vijayakanthi, Astha Agrawal, J. Pidanic, Z. Nemec
{"title":"Design of Efficient AES Architecture for Secure ECG Signal Transmission for Low-power IoT Applications","authors":"Meenali Janveja, Bikram Paul, G. Trivedi, Gonella Vijayakanthi, Astha Agrawal, J. Pidanic, Z. Nemec","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092417","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092417","url":null,"abstract":"Cryptography has an important role in securing information which has gained prominence due to the digitization. Exchange of sensitive personal data such as medical information tends to take place frequently throughout the globe; therefore, protecting data from unauthorized adversary access is imperative. Advanced encryption standard (AES) algorithm is one of the algorithms which is broadly employed because of its exemplary security and usage in extensive applications. This research proposes a modified folded pipelined architecture of an AES algorithm for resources constraint applications. The folding transformation controls the circuit functionalities by time-multiplexing operations to a single functional unit and reduces its area considerably. The proposed architecture is implemented using fewer resources, hence, improves area and the power requirements as compared to the conventional algorithm. The work presented in this paper is applicable for encrypting and decrypting personalized Electrocardiograph (ECG) signals for secure transmission. The architecture proposed in this paper reduces the area requirements by 83% and power by 96.8% enabling its hardware implementation more efficient than the conventional AES. Due to its low power and area requirements, the architecture presented in this paper can be used for portable Internet of things (IoT) applications as well.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"60 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129299640","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
Design of a Linear Antenna Array: Variable Number of Dimensions Approach 线性天线阵列的设计:变维数法
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092422
P. Kadlec, M. Capek, J. Rýmus, M. Marek, M. Štumpf, L. Jelínek, M. Mašek, P. Kotalík
{"title":"Design of a Linear Antenna Array: Variable Number of Dimensions Approach","authors":"P. Kadlec, M. Capek, J. Rýmus, M. Marek, M. Štumpf, L. Jelínek, M. Mašek, P. Kotalík","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092422","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092422","url":null,"abstract":"A linear antenna array design is usually formulated as a binary optimization task. A global optimization algorithm is then used to turn on/off a fixed number of elements positioned on a uniform grid. This paper introduces a new formulation of the problem: the optimizer searches for distances between individual elements and their total amount at the same time. Such a formulation has to be solved using the optimization with a variable number of dimensions that enables to work with decision space vectors having different lengths. Here, the Particle Swarm Optimization algorithm is used to solve different formulations of the linear antenna array design problem. The “uniform grid” formulation is compared with the “variable number of dimensions” formulation on several optimization tasks encompassing the minimization of selected antenna parameters: the Side-Lobe Level, the First Null Beam Width and the number of used (active) elements.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114440717","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
Coveer
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/radioelektronika49387.2020.9092435
{"title":"Coveer","authors":"","doi":"10.1109/radioelektronika49387.2020.9092435","DOIUrl":"https://doi.org/10.1109/radioelektronika49387.2020.9092435","url":null,"abstract":"","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122018346","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
QoE on H.264 and H.265: Crowdsourcing versus Laboratory Testing H.264和H.265的QoE:众包与实验室测试
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092424
M. Uhrina, J. Bienik, Tomas Mizdos
{"title":"QoE on H.264 and H.265: Crowdsourcing versus Laboratory Testing","authors":"M. Uhrina, J. Bienik, Tomas Mizdos","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092424","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092424","url":null,"abstract":"Crowdsourcing as one of the newest approaches in the field of Quality of Experience (QoE) has become more and more popular. Even though many papers deal with exploring the quality, most of them use objective or subjective laboratory methods. Publications comparing the quality of any codecs using crowdsourcing method are very rare. Although some of them utilize this approach, they use one of the web-based crowdsourcing frameworks with paid crowdworkers. In this paper we decided to present our own developed web-based crowdsourcing framework and use it as unpaid approach for evaluating two well-known compression standards - H.264 and H.265 and for comparing the results getting from testing via this crowdsourcing framework with results which we got from laboratory testing. These results showed that the subjective quality testing via unpaid crowdsourcing approach can be used as a replacement to the subjective laboratory testing, especially in cases where not very sophisticated evaluation is required.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121340943","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: 3
On rainfall type classification to improve rain attenuation prediction 降雨类型分类改进降雨衰减预测
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092381
K. Pitaš, O. Fiser
{"title":"On rainfall type classification to improve rain attenuation prediction","authors":"K. Pitaš, O. Fiser","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092381","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092381","url":null,"abstract":"In this contribution the one year period of the rain rate measurement in the Czech Republic was analyzed. The measurement was located at the experimental site of the Institute of Atmospheric Physics in the town of Hradec Králové. The measurement was performed by a tipping-bucket rain gauge of high resolution of 0.03 mm of rain amount per one tip and by 2D-videodistrometer from Joaneum Research. This study is focused on rain type classification from which the more precise rain attenuation on microwave link can be predicted. Beside description of simple methods using cheap rain amount and rain rate measurement three methods of sophisticated classification (Tokay-Short, Testud and Waldvogel methods) are described and compared using one year Czech distrometer data.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116210427","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
Performance Comparison of FFT and DHT Hybrid PLC-VLC Systems Based on DCO-OFDM in Impulsive Noise 脉冲噪声下基于DCO-OFDM的FFT与DHT混合PLC-VLC系统性能比较
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092383
Irvine Mapfumo, T. Shongwe
{"title":"Performance Comparison of FFT and DHT Hybrid PLC-VLC Systems Based on DCO-OFDM in Impulsive Noise","authors":"Irvine Mapfumo, T. Shongwe","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092383","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092383","url":null,"abstract":"To enhance the transmission capacity of communication systems, Power Line Communication (PLC) and Visible Light Communication (VLC) can be cascaded to form a hybrid PLC-VLC system. In this paper, we propose a DC biased Optical Orthogonal Frequency Division Multiplexing (DCO-OFDM) system that utilizes the Discrete Hartley Transform (DHT) instead of the traditional Fast Fourier Transform (FFT) for a hybrid PLC-VLC system. Simulation results show that the DHT based DCO-OFDM system performs virtually identical to the FFT based DCO-OFDM system. The proposed system is simple in design, has less computational complexity and improves spectral efficiency.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"311 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116341356","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
LTE and LoRa in the 2.4 GHz Band: Adjacent Channel Interference Issues 2.4 GHz频段的LTE和LoRa:相邻信道干扰问题
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092382
L. Polak, Jiří Miloš
{"title":"LTE and LoRa in the 2.4 GHz Band: Adjacent Channel Interference Issues","authors":"L. Polak, Jiří Miloš","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092382","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092382","url":null,"abstract":"In 2017, the Semtech company has released the SX1281 transceiver with the aim to provide Long-Range (LoRa) wireless data link in the 2.4 GHz Industrial, Scientific and Medical (ISM) radio frequency (RF) band. In the future, massive utilization of a LoRa-based technology can cause an origin of new unwanted coexistence scenarios in this license-free RF band. This paper focuses on the adjacent channel interference issues that can occur between Long Term Evolution (LTE) and LoRa systems in the 2.4 GHz band. The influence of LoRa signal on the LTE one is explored on physical (PHY) layer level. An automated laboratory measurement setup is employed to measure and calculate protection ratio for different LTE system configurations. Results show that LoRa with different system parameters influences the performance of LTE in different way.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"51 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127393456","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: 9
Low-Leakage ESD Structures in 130nm CMOS Technology 130nm CMOS技术中的低漏ESD结构
2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA) Pub Date : 2020-04-01 DOI: 10.1109/RADIOELEKTRONIKA49387.2020.9092357
L. Nagy, A. Chvála, V. Stopjaková
{"title":"Low-Leakage ESD Structures in 130nm CMOS Technology","authors":"L. Nagy, A. Chvála, V. Stopjaková","doi":"10.1109/RADIOELEKTRONIKA49387.2020.9092357","DOIUrl":"https://doi.org/10.1109/RADIOELEKTRONIKA49387.2020.9092357","url":null,"abstract":"The paper addresses a non-standard ESD protection structures developed in general purpose 130 nm CMOS technology and modeled in VerilogA language for transistor-level circuit simulators. ESD structures represent an additional load to the on-chip circuits and can exhibit quite significant portion of the overall power consumption in low-voltage and low-power circuit designs. We describe and discuss the properties of ESD structures designed with minimized leakage current as the main design constraint, while still maintaining their protection capabilities. The other ESD structure discussed in this article was designed for negative voltage levels, which brings completely new possibilities in terms of the power supply voltage range and circuit design. The accuracy of developed VerilogA models is compared to experimental data obtained by laboratory measurement at room temperature and compact models provided by the foundry.","PeriodicalId":131117,"journal":{"name":"2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"432 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132300285","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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