Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733556
A. Povalac, T. Mikulášek, F. Záplata
The paper focuses on design and validation of an active RFID platform, devoted to vehicle identification and authorization for the fueling in gas stations. The system is built on ANT communication protocol, which is intended for extremely low power consumption. The explosive environment of a filling station places special requirements on involved electronic devices – the preferred way is a hermetic sealing of the complete device in an epoxy resin.
{"title":"Ultra-Low Power Identification in Explosive Environments","authors":"A. Povalac, T. Mikulášek, F. Záplata","doi":"10.1109/RADIOELEK.2019.8733556","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733556","url":null,"abstract":"The paper focuses on design and validation of an active RFID platform, devoted to vehicle identification and authorization for the fueling in gas stations. The system is built on ANT communication protocol, which is intended for extremely low power consumption. The explosive environment of a filling station places special requirements on involved electronic devices – the preferred way is a hermetic sealing of the complete device in an epoxy resin.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125563745","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733412
S. Kunze, M. Schiefer, A. Weinberger
In this paper a GNU Radio implementation for a signal processing block that allows synchronizing a software defined radio receiver to frequency hopping spread spectrum (FHSS) signals is proposed. The receiver requires no knowledge of the hopping pattern or the dwell time of the FHSS signal. These parameters are re-engineered by the proposed block before the receiver is synchronized to the hopping signal. The implementation is independent of the modulation scheme that is applied to the individual channels. As part of a research project, the signal processing block is implemented with the intention of analyzing the radio communication of civilian drones. However, the concept presented in this paper can also be applied for other use cases.
{"title":"A GNU Radio Implementation for Frequency Hopping Spread Spectrum Receiver Synchronization","authors":"S. Kunze, M. Schiefer, A. Weinberger","doi":"10.1109/RADIOELEK.2019.8733412","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733412","url":null,"abstract":"In this paper a GNU Radio implementation for a signal processing block that allows synchronizing a software defined radio receiver to frequency hopping spread spectrum (FHSS) signals is proposed. The receiver requires no knowledge of the hopping pattern or the dwell time of the FHSS signal. These parameters are re-engineered by the proposed block before the receiver is synchronized to the hopping signal. The implementation is independent of the modulation scheme that is applied to the individual channels. As part of a research project, the signal processing block is implemented with the intention of analyzing the radio communication of civilian drones. However, the concept presented in this paper can also be applied for other use cases.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"2004 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114191145","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733507
S. Kunze, A. Weinberger, R. Poeschl
Civilian unmanned aerial systems can pose a serious threat to the civilian population. For this reason, the development of an assistance system to counter these threats is the scope of an ongoing research project. Its goal is to detect inbound drones and to provide the user with a comprehensive situation analysis and risk assessment. The focus of this paper is a software defined radio based implementation of a radio frequency analysis, which is capable of eavesdropping on the drone’s radio signals, in order to gather information for the assistance system. In the paper the implementation for one exemplary drone system, based on the Pixhawk autopilot and the MAVLink communication protocol, is proposed and the results of the initial tests are presented.
{"title":"A Software Defined Radio Based Implementation for the Radio Frequency Analysis of Signals from Unmanned Aerial Systems","authors":"S. Kunze, A. Weinberger, R. Poeschl","doi":"10.1109/RADIOELEK.2019.8733507","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733507","url":null,"abstract":"Civilian unmanned aerial systems can pose a serious threat to the civilian population. For this reason, the development of an assistance system to counter these threats is the scope of an ongoing research project. Its goal is to detect inbound drones and to provide the user with a comprehensive situation analysis and risk assessment. The focus of this paper is a software defined radio based implementation of a radio frequency analysis, which is capable of eavesdropping on the drone’s radio signals, in order to gather information for the assistance system. In the paper the implementation for one exemplary drone system, based on the Pixhawk autopilot and the MAVLink communication protocol, is proposed and the results of the initial tests are presented.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121694862","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733467
M. Pecovský, P. Galajda, M. Sokol, S. Slovák
This paper deals with the design of an integrated active filter for M-sequence UWB radars compliant with ECC frequency band for UWB devices. The main goals of the design are low-cost ASIC technology, minimized chip area occupation and low power consumption. For the design based on a simple unconventional negative feedback approach, the schematic and layout design phases are described. The proposed circuit is verified by pre-layout as well as post-layout simulations. The achieved results show that the approach proposed in this paper could allow the tunable bandpass filter to be integrated into the M-sequence radar system on chip and therefore reduce the number of required external components in the final application.
{"title":"Integrated Active Filter for M-Sequence UWB Radar","authors":"M. Pecovský, P. Galajda, M. Sokol, S. Slovák","doi":"10.1109/RADIOELEK.2019.8733467","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733467","url":null,"abstract":"This paper deals with the design of an integrated active filter for M-sequence UWB radars compliant with ECC frequency band for UWB devices. The main goals of the design are low-cost ASIC technology, minimized chip area occupation and low power consumption. For the design based on a simple unconventional negative feedback approach, the schematic and layout design phases are described. The proposed circuit is verified by pre-layout as well as post-layout simulations. The achieved results show that the approach proposed in this paper could allow the tunable bandpass filter to be integrated into the M-sequence radar system on chip and therefore reduce the number of required external components in the final application.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121414244","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733465
Janosch Ortmann
This paper presents a new perspective of matching a specific GHz-multiple-input-multiple-output (MIMO) multi-wire transmission line (MWTL) with a source and load impedance network. Impedance matching depends on the frequency region of interest, the impedance network configuration (NC), and the user-defined transmission mode. A cost function is used as an optimization criterion, which takes these dependencies into account. The NC is composed of differential and single-end port impedances. The port creation process is realised by the newly introduced port transformation matrices. Local optimization of the cost function is performed by variation of the complex-valued port impedances using an extended gradient descent algorithm.
{"title":"Maximizing GHz-MIMO Data Throughput by Optimization of Multi-Wire Transmission Line Port Impedances","authors":"Janosch Ortmann","doi":"10.1109/RADIOELEK.2019.8733465","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733465","url":null,"abstract":"This paper presents a new perspective of matching a specific GHz-multiple-input-multiple-output (MIMO) multi-wire transmission line (MWTL) with a source and load impedance network. Impedance matching depends on the frequency region of interest, the impedance network configuration (NC), and the user-defined transmission mode. A cost function is used as an optimization criterion, which takes these dependencies into account. The NC is composed of differential and single-end port impedances. The port creation process is realised by the newly introduced port transformation matrices. Local optimization of the cost function is performed by variation of the complex-valued port impedances using an extended gradient descent algorithm.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116136435","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733447
Jan Merta, J. Fikejz
This article deals with the use of machine learning to detect sudden water leakage. A smart water meter, which enables monitoring the water consumption of the observed object, is used as the source of input data. Based on these data and their analysis, a symbolic regression, which must know not only the input parameters but also the structure of the model, was finally used to build the model. After finding a suitable function and standard deviation from the model, it is possible to set the required sensitivity and thereby detect anomalous states of water consumption in monitored time windows. Since the smart water meter also has a ball valve, if a sudden water leakage is detected, the water meter can autonomously close the main supply and thus avoid extensive damage.
{"title":"Utilization of Machine Learning to Detect Sudden Water Leakage for Smart Water Meter","authors":"Jan Merta, J. Fikejz","doi":"10.1109/RADIOELEK.2019.8733447","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733447","url":null,"abstract":"This article deals with the use of machine learning to detect sudden water leakage. A smart water meter, which enables monitoring the water consumption of the observed object, is used as the source of input data. Based on these data and their analysis, a symbolic regression, which must know not only the input parameters but also the structure of the model, was finally used to build the model. After finding a suitable function and standard deviation from the model, it is possible to set the required sensitivity and thereby detect anomalous states of water consumption in monitored time windows. Since the smart water meter also has a ball valve, if a sudden water leakage is detected, the water meter can autonomously close the main supply and thus avoid extensive damage.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115810603","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733479
P. Doležel, Dominik Stursa, Daniel Honc
Pest birds are considered as a special kind of vermin, since, in most of countries, their legal position does not enable their direct extermination. Therefore, in order to protect the agricultural areas indirectly from pest birds, the robust and highly selective pest bird sensor is necessary to design. In this contribution, the pest bird detection unit, based on a convolutional neural network, is presented. The convolutional neural network itself is used for the decision making about the pest bird occurrence, while sound recordings are used as input data. The testings, presented at the end of the contribution, proved a very high accuracy of the detection unit, with the results indispensably improved in comparison to previously presented approaches.
{"title":"Convolutional Neural Network for Sound Processing - Study of Deployed Application","authors":"P. Doležel, Dominik Stursa, Daniel Honc","doi":"10.1109/RADIOELEK.2019.8733479","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733479","url":null,"abstract":"Pest birds are considered as a special kind of vermin, since, in most of countries, their legal position does not enable their direct extermination. Therefore, in order to protect the agricultural areas indirectly from pest birds, the robust and highly selective pest bird sensor is necessary to design. In this contribution, the pest bird detection unit, based on a convolutional neural network, is presented. The convolutional neural network itself is used for the decision making about the pest bird occurrence, while sound recordings are used as input data. The testings, presented at the end of the contribution, proved a very high accuracy of the detection unit, with the results indispensably improved in comparison to previously presented approaches.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122329796","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733444
Sunil Dutt, J. Pidanic, Z. Nemec, Sukumar Nandi, G. Trivedi
Over the past decade, process parameter variations have been one of the key design challenges. At circuit level of abstraction, process parameter variations cause deviation in the design specifications which threaten the parametric yield, resulting cost implication on the semiconductor industry. Post-silicon tuning, such as Adaptive Body Bias (ABB) and Dynamic Voltage Scaling (DVS) are the most commonly used techniques to mitigate the impacts of process parameter variations. However, since process parameter variations are getting aggravated with continued CMOS technology scaling, the achievable performance by ABB or DVS alone is becoming limited. In this paper, we first examine the effect of process parameter variations on parametric yield loss. Further, we propose a framework that integrates ABB and DVS techniques to effectively mitigate the impacts of process parameter variations even for sub-45nm CMOS technology. We test the proposed approach w.r.t. Hybrid Redundant Multiply-and-Accumulate (HR-MAC) unit, however the proposed approach can be utilized for any digital circuit.
{"title":"Integrated ABB and DVS: A Post-silicon Tuning Approach for Parametric Yield Enhancement in Sub-45nm CMOS Technology","authors":"Sunil Dutt, J. Pidanic, Z. Nemec, Sukumar Nandi, G. Trivedi","doi":"10.1109/RADIOELEK.2019.8733444","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733444","url":null,"abstract":"Over the past decade, process parameter variations have been one of the key design challenges. At circuit level of abstraction, process parameter variations cause deviation in the design specifications which threaten the parametric yield, resulting cost implication on the semiconductor industry. Post-silicon tuning, such as Adaptive Body Bias (ABB) and Dynamic Voltage Scaling (DVS) are the most commonly used techniques to mitigate the impacts of process parameter variations. However, since process parameter variations are getting aggravated with continued CMOS technology scaling, the achievable performance by ABB or DVS alone is becoming limited. In this paper, we first examine the effect of process parameter variations on parametric yield loss. Further, we propose a framework that integrates ABB and DVS techniques to effectively mitigate the impacts of process parameter variations even for sub-45nm CMOS technology. We test the proposed approach w.r.t. Hybrid Redundant Multiply-and-Accumulate (HR-MAC) unit, however the proposed approach can be utilized for any digital circuit.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127162277","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733449
L. Rejfek, O. Fiser, P. Chmelar, K. Pitaš, P. Bezousek, Phuong T. Tran, Đồng Sĩ Thiên Châu
In this paper, FMICW radars and processing of the signals from these systems are described. Main part of the paper is a system for automatic analysis of the signals. An algorithm is applied on the two-dimensional Fast Fourier Transform. In paper, the complication caused by the signal processing and their removal are described.
{"title":"Automatic Analysis of the Signals from the FMICW Radars","authors":"L. Rejfek, O. Fiser, P. Chmelar, K. Pitaš, P. Bezousek, Phuong T. Tran, Đồng Sĩ Thiên Châu","doi":"10.1109/RADIOELEK.2019.8733449","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733449","url":null,"abstract":"In this paper, FMICW radars and processing of the signals from these systems are described. Main part of the paper is a system for automatic analysis of the signals. An algorithm is applied on the two-dimensional Fast Fourier Transform. In paper, the complication caused by the signal processing and their removal are described.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130656211","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}
Pub Date : 2019-04-01DOI: 10.1109/RADIOELEK.2019.8733463
Siniša Lacković, M. Jukl, Fran Pregernik
This paper briefly presents the Radar Workstation Simulator and its benefits for further development of the Cabinet Variant of Surveillance Radar System installed at the Zagreb University of Applied Sciences. The purpose of development and a brief overview of the possibilities of the Radar Workstation is described. With further upgrades, Radar Workstation should become a standalone instrument that gives the user the ability to manage the instrument as a commanding operational center.
{"title":"Radar Workstation Simulator - Indispensable Part of the Digital Simulator of Radar Targets and Clutter","authors":"Siniša Lacković, M. Jukl, Fran Pregernik","doi":"10.1109/RADIOELEK.2019.8733463","DOIUrl":"https://doi.org/10.1109/RADIOELEK.2019.8733463","url":null,"abstract":"This paper briefly presents the Radar Workstation Simulator and its benefits for further development of the Cabinet Variant of Surveillance Radar System installed at the Zagreb University of Applied Sciences. The purpose of development and a brief overview of the possibilities of the Radar Workstation is described. With further upgrades, Radar Workstation should become a standalone instrument that gives the user the ability to manage the instrument as a commanding operational center.","PeriodicalId":336454,"journal":{"name":"2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA)","volume":"58 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124336357","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}
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