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2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)最新文献

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Energy efficiency utilizing lookup table in wireless sensor networks 无线传感器网络中利用查找表的能源效率
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704939
B. Smidling, N. Zogović
{"title":"Energy efficiency utilizing lookup table in wireless sensor networks","authors":"B. Smidling, N. Zogović","doi":"10.1109/TELSKS.2013.6704939","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704939","url":null,"abstract":"In this paper we present a method for calculation of minimal energy parameters in packet transmission using lookup table. The parameters are transmission power and packet length. The proposed solution depends on careful selection of transmission energy points to be pre-calculated to achieve accuracy greater than 99.9%. This way, energy minimum can be found almost instantaneous with as little as 7700B of memory space usage. From the perspective of wireless sensor network nodes, methods utilizing lookup tables can reduce time needed for obtaining solution considerably, compared to numerical methods, since it is faster to locate data in table than to calculate it, especially when complex calculations are required.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125163015","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
Lossy transmision with arbitrary gradient permittivity and permeability and constant impedance throughout the structure 损耗传输具有任意梯度介电常数和磁导率和恒定的阻抗贯穿整个结构
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704886
M. Dalarsson, M. Norgren, T. Asenov, N. Dončov
{"title":"Lossy transmision with arbitrary gradient permittivity and permeability and constant impedance throughout the structure","authors":"M. Dalarsson, M. Norgren, T. Asenov, N. Dončov","doi":"10.1109/TELSKS.2013.6704886","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704886","url":null,"abstract":"We present a remarkably simple exact analytical solution for the electromagnetic field distribution across an infinite metamaterial composite with an arbitrary graded variation of complex effective permittivity and permeability for the case of constant impedance across the structure. Arbitrary temporal dispersion and losses are allowed and the model is generally applicable to different inhomogeneous and anisotropic media simultaneously containing positive and negative refractive index constituents, as long as the effective medium approximation remains valid. The analytical solution is validated by a dispersive numerical model of lossy metamaterials that uses a transmission line matrix method based on Z-transforms, where a close agreement between the analytic and numerical results is obtained.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127095180","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
Covered coupled microstrip lines with ground planes of finite width 具有有限宽度接地面的覆盖耦合微带线
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704889
M. Perić, S. Ilic, S. Aleksic, N. Raicevic, A. Vučković
{"title":"Covered coupled microstrip lines with ground planes of finite width","authors":"M. Perić, S. Ilic, S. Aleksic, N. Raicevic, A. Vučković","doi":"10.1109/TELSKS.2013.6704889","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704889","url":null,"abstract":"Hybrid boundary element method (HBEM), developed at the Faculty of Electronic Engineering of Niš, is used to determine characteristic parameters of a covered coupled microstrip lines with ground planes of finite width. This method is based on the combination of equivalent electrodes method (EEM) and boundary element method (BEM). All results for the characteristic impedance of observed microstrip line are compared with corresponding ones obtained by the finite element method. Even and odd modes are taken into account.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127683359","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
Approximation of the optimal compressor function combining different spline functions in segments 分段组合不同样条函数的最优压缩函数逼近
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704436
L. Velimirović, Z. Perić, M. Stankovic
{"title":"Approximation of the optimal compressor function combining different spline functions in segments","authors":"L. Velimirović, Z. Perić, M. Stankovic","doi":"10.1109/TELSKS.2013.6704436","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704436","url":null,"abstract":"In this paper the companding quantizer design using the approximative spline functions of the first and the second degree is done. The spline function of the first degree and the second degree is used for the approximation of the optimal compressor function. In order to reduce realization complexity of the designed model, in this paper it is proposed that the optimal compressor function in different segments is approximated by different spline functions, which means that the approximation of the optimal compressor function is done by combining the spline function of the first degree and the second degree. Comprehensive analysis of the results obtained for the proposed companding quantizer for the number of segments 2L = 4 i 2L = 8 is done.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124481010","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
Link adaptation as a technique to achieve information-theoretic limits in MIMO systems? 链路自适应作为一种技术来实现MIMO系统中的信息理论限制?
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704920
D. Drajic, P. Ivaniš
{"title":"Link adaptation as a technique to achieve information-theoretic limits in MIMO systems?","authors":"D. Drajic, P. Ivaniš","doi":"10.1109/TELSKS.2013.6704920","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704920","url":null,"abstract":"In this paper, we consider multiple-input-multiple-output (MIMO) systems based on multichannel beamforming (MB). We first consider capacity of the wireless communication systems for different modulation techniques and decision rules, and its extension for the open-loop and closed-loop MIMO systems. Eigenchannel power allocation and joint turbo coding and adaptive modulation are considered as a promising link adaptation techniques that should maximize achievable throughputs in considered MIMO systems.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121525746","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
Outage probability approximations for dual-hop amplify-and-forward MIMO relay systems in rayleigh fading 瑞利衰落下双跳放大前向MIMO中继系统的中断概率逼近
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704921
Jovan D. Stosic, Z. Hadzi-Velkov
{"title":"Outage probability approximations for dual-hop amplify-and-forward MIMO relay systems in rayleigh fading","authors":"Jovan D. Stosic, Z. Hadzi-Velkov","doi":"10.1109/TELSKS.2013.6704921","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704921","url":null,"abstract":"In this paper we present tight approximations of the outage probability (OP) for the entire signal-to-noise ratio (SNR) range of practical interest for an amplify and forward (AF) relaying system with channel state information (CSI) at the relay and destination, which employs multiple antennas at the nodes and orthogonal space-time block coding (OSTBC) transmission over a flat Rayleigh fading. In the AF relay, the incoming signal is decoupled, amplified and forwarded to the destination. The results for the outage probability obtained by the approximations are compared with exact results of the outage probability obtained by numeric inversion of the Laplace transform of the Moment Generating Function (MGF) and with the results obtained by the Monte Carlo simulations. The comparison shows close matching of the results.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115061744","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
Network selection in heterogeneous environment: A step toward always best connected and served 异构环境下的网络选择:迈向始终最佳连接和服务的一步
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704898
K. Rao, Z. Bojkovic, B. Bakmaz
{"title":"Network selection in heterogeneous environment: A step toward always best connected and served","authors":"K. Rao, Z. Bojkovic, B. Bakmaz","doi":"10.1109/TELSKS.2013.6704898","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704898","url":null,"abstract":"Service delivery in a heterogeneous wireless environment requires the selection of an optimal access network. In order for users to be always connected through the optimal available network, it is necessary to develop an adequate technique for its selection. This paper deals with network selection concept as a perspective approach to the always best connected and served paradigm in heterogeneous wireless environment. It provides a survey on fundamental aspects of network selection process and mainly focuses on decision making mechanisms. After presenting the related standards, the perspective vertical handover approaches from the open literature are analyzed and compared. The paper concludes with a case study related to the influence of traffic conditions on network selection, which reveals the advantages of the always best connected and served concept.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123223995","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: 17
A tri-band bandpass filter with asymmetric tri-mode resonator 非对称三模谐振器的三带带通滤波器
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704932
S. Birgermajer, N. Janković, V. Crnojević-Bengin
{"title":"A tri-band bandpass filter with asymmetric tri-mode resonator","authors":"S. Birgermajer, N. Janković, V. Crnojević-Bengin","doi":"10.1109/TELSKS.2013.6704932","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704932","url":null,"abstract":"In this paper we propose a compact tri-mode asymmetric resonator that consists of a single-mode and a dual-mode resonator. The behaviour of the proposed configuration is analyzed in detail. To demonstrate the potential of the proposed resonator, tri-band bandpass filter operating at 2.4/3.5/5.2 GHz has been designed, fabricated and measured. The filter is characterized by good performances and very compact size of only 0.24λg × 0.115λg.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127245097","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
ANN applications in detection of precipitation based on the received signal level of commercial microwave links 基于商用微波链路接收信号电平的人工神经网络在降水检测中的应用
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704402
V. Dordevic, O. Pronić-Rančić, Z. Marinković, M. Milijić, V. Markovic, U. Siart, C. Chwala, H. Kunstmann
{"title":"ANN applications in detection of precipitation based on the received signal level of commercial microwave links","authors":"V. Dordevic, O. Pronić-Rančić, Z. Marinković, M. Milijić, V. Markovic, U. Siart, C. Chwala, H. Kunstmann","doi":"10.1109/TELSKS.2013.6704402","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704402","url":null,"abstract":"Detection of precipitation based on the received signal level of commercial microwave links has been increasingly used in the mountain areas where meteorological radars have limited ranges, and placing rain gauges is impossible due to terrain morphology. In this paper, focused time-delay neural networks were trained and tested, to detect the appearance of precipitation based on the data of the link received signal level. For training and testing the networks the results of the detection of precipitation using one of the previously proposed methods have been used. After choosing the network with the best characteristics for the final model, the detailed testing was done with the data obtained on the same link, which were not used for model development. The results show that the proposed method based on neural networks can be efficiently used instead of the previously proposed method (significantly shorter time of the data processing was achieved by using a neural networks).","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125690128","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
Real-time implementation of target tracking system for air surveillance radar applications 实时实现的目标跟踪系统在空中监视雷达中的应用
2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Pub Date : 2013-10-01 DOI: 10.1109/TELSKS.2013.6704440
M. Jevtić, K. Markovic, D. Mikluc, B. Misic, Tanja Pajić
{"title":"Real-time implementation of target tracking system for air surveillance radar applications","authors":"M. Jevtić, K. Markovic, D. Mikluc, B. Misic, Tanja Pajić","doi":"10.1109/TELSKS.2013.6704440","DOIUrl":"https://doi.org/10.1109/TELSKS.2013.6704440","url":null,"abstract":"This paper presents a single-sensor multiple-target tracking system applicable with air surveillance radars. We describe the development process along with key details of system's design and implementation, including heuristic process of choosing system parameters to meet tracking performance requirements. In addition, we provide evaluation of system's real-time performance on general purpose computers.","PeriodicalId":144044,"journal":{"name":"2013 11th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services (TELSIKS)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114384100","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
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