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TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services最新文献

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Studio and Laboratory Center for Implementing of the Multimedia Technologies in Educational Process 多媒体技术在教学过程中实施的工作室和实验室中心
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572163
MileB . Petrovic, P. Spalevic, A. D. Stojkovic, H. Z. Popovic
{"title":"Studio and Laboratory Center for Implementing of the Multimedia Technologies in Educational Process","authors":"MileB . Petrovic, P. Spalevic, A. D. Stojkovic, H. Z. Popovic","doi":"10.1109/TELSKS.2005.1572163","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572163","url":null,"abstract":"In this paper an advanced multimedia educational system designed and realised in Belgrade High School of Electrical Engineering is presented. The audio, video and animation studios with the departments for linear and nonlinear montage and multimedia laboratory are included in this system. The system is used for educational purposes in the field of audio, video and new computer technologies","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132548890","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
CAD of Chebyshev-type microstrip feeding structure of linear antenna array 线性天线阵列切比舍夫型微带馈电结构的CAD
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572144
A. Abdalla, K. Omran
{"title":"CAD of Chebyshev-type microstrip feeding structure of linear antenna array","authors":"A. Abdalla, K. Omran","doi":"10.1109/TELSKS.2005.1572144","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572144","url":null,"abstract":"The results of the modeling of electrical behavior of Chebyshev-type feeding structure, fabricated in integrated microstrip line based technology have been presented and concluded. Analytical results have been verified experimentally of considered structure fabricated on RT-Duroid substrate material with thickness h=1.27 mm and electric permittivity /spl epsi//sub r/=10.2 at midband frequency F=1.06 GHz. The achievements of this study demonstrate the accuracy of applied simulation tools as well as the potential utility of analyzed structure as multielement antenna feeder.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123558640","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
Analysis of the Interference Environment Generated by Mobile Earth Stations Operating in Frequency Bands Shared with the Fixed Service 移动地面站在与固定业务共用频段工作时产生的干扰环境分析
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572177
M. Koletta, V. Milas, P. Constantinou
{"title":"Analysis of the Interference Environment Generated by Mobile Earth Stations Operating in Frequency Bands Shared with the Fixed Service","authors":"M. Koletta, V. Milas, P. Constantinou","doi":"10.1109/TELSKS.2005.1572177","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572177","url":null,"abstract":"This paper examines the construction of the coordination contour for mobile (except aeronautical mobile) earth stations operating in frequency bands shared with the terrestrial services. The method used today by the national administrations for calculating the coordination contour around these stations is vague and leads to unnecessarily large coordination areas. A new method of developing the coordination contour is proposed for this type of stations. It is shown that the adoption of the method by the national administrations contributes considerably to the development and wide use of mobile earth stations and eases the harmonic coexistence of this service with the terrestrial services","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121818081","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
Analysis of some methods for maintaining accuracy in implementation of FFT on fixed point DSP 分析了在定点DSP上实现FFT时保持精度的几种方法
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572089
Ž. Lukač, M. Temerinac
{"title":"Analysis of some methods for maintaining accuracy in implementation of FFT on fixed point DSP","authors":"Ž. Lukač, M. Temerinac","doi":"10.1109/TELSKS.2005.1572089","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572089","url":null,"abstract":"This paper presents some methods for maintaining accuracy in implementation of fast Fourier transform on fixed point DSPs and analysis of their performance. Methods analysed in this paper differs by the way how overflow of mathematical operation results (complex addition and complex multiplication) is prevented. Depending of capabilities of specific fixed point DSP suitable method can be chosen.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122276767","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
Cascaded multiplierless realizations of low sensitivities allpass based fractional delay filters 低灵敏度全通分数阶延迟滤波器的级联无乘法器实现
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572074
K. Ivanova, V. Anzova, G. Stoyanov
{"title":"Cascaded multiplierless realizations of low sensitivities allpass based fractional delay filters","authors":"K. Ivanova, V. Anzova, G. Stoyanov","doi":"10.1109/TELSKS.2005.1572074","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572074","url":null,"abstract":"A new method of design of fractional delay IIR filters based on cascade realization of allpass structures is proposed in this paper. Closed-form design expressions are derived and the sensitivity of the individual sections is minimized. The advantages of the method are demonstrated by comparative study. Efficient multiplierless implementations are discussed and the robustness in limited wordlength environment is firmly demonstrated.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126135841","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: 4
Critical Rain Intensity for Millimeter Wave Radio Link IP Network with Partial Mesh Topology 部分网状拓扑下毫米波无线链路IP网络的临界雨强
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572152
D. Peric, M. Perić
{"title":"Critical Rain Intensity for Millimeter Wave Radio Link IP Network with Partial Mesh Topology","authors":"D. Peric, M. Perić","doi":"10.1109/TELSKS.2005.1572152","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572152","url":null,"abstract":"In this paper we described the algorithm and software for determining maximum rain intensity in the center of the rain cell, for which an IP network with millimeter wave links graph remains fully connected. Model of convective rain cell was assumed with Gaussian distribution that is moving due to influence of wind. Another problems that arise from use of real routing protocols in this network are discussed","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114680059","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
Performance analysis of spatial diversity schemes on an 802.11a PHY platform 802.11a PHY平台上空间分集方案的性能分析
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572072
L. Chira, T. Palade, R. Dumitrean, E. Puschita
{"title":"Performance analysis of spatial diversity schemes on an 802.11a PHY platform","authors":"L. Chira, T. Palade, R. Dumitrean, E. Puschita","doi":"10.1109/TELSKS.2005.1572072","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572072","url":null,"abstract":"Simulations performed on an 802.11a a PHY platform have proven the necessity of introducing some spatial diversity schemes on the transmission chain. Basic antenna diversity designs - ThC, SDC, MRC and EGC -have been tested. They clearly improve bit rate and packet error rate performance, and EGC provides higher antenna diversity gain then SDC. MRC realizes the highest antenna diversity gain compared to the other techniques.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129866069","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
A Multicast Routing Protocol for Multi-Hop Wireless Networks: ODMRP 多跳无线网络的组播路由协议:ODMRP
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572176
D. Galatchi, R. Zoican
{"title":"A Multicast Routing Protocol for Multi-Hop Wireless Networks: ODMRP","authors":"D. Galatchi, R. Zoican","doi":"10.1109/TELSKS.2005.1572176","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572176","url":null,"abstract":"One of the major strengths of ODMRP is its unicast routing capability. Not only can ODMRP coexist with any unicast routing protocol, it can function as both multicast and unicast. Thus. ODMRP can run without any underlying unicast protocol. Other ad hoc multicast protocols such as AMRoute, CAMP, RBM, and LAM must be run on top of a unicast routing protocol. CAMP, RBM and LAM in particular only work with certain underlying unicast protocols. In this paper we propose a on demand routing protocol which uses the mobility information obtained from the mobile hosts to predict topological changes. The scheme performs rerouting for a real time flow before a path becomes invalid. This is done using a mechanism we refer to as \"multi-hop handover\". Our goal is to minimize disruptions of real time sessions due to mobility","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130221968","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
FER and channel interleavers in 3G (WCDMA) systems using turbo-coding 使用涡轮编码的3G (WCDMA)系统中的FER和信道交织器
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572138
D. Drajić
{"title":"FER and channel interleavers in 3G (WCDMA) systems using turbo-coding","authors":"D. Drajić","doi":"10.1109/TELSKS.2005.1572138","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572138","url":null,"abstract":"In this paper the interleaving gain, due to the channel interleavers, corresponding to BER (bit error rate) and FER (frame error rate) in an advanced 3G (WCDMA) receiver, using chip level equalizer and turbo coding, is analyzed by simulation. The waterfall region is considered. The conventional RAKE receiver is used as a reference. MAI (multiple access interference), usually modelled as an additive white Gaussian noise, is simulated by generating signals of other users strictly according to the standards. The simulation results for both receivers (RAKE and advanced one) show that channel interleaves enhance performance considerably.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125834625","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
Electromagnetic structures containing negative refractive index metamaterials 含有负折射率超材料的电磁结构
TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services Pub Date : 2005-09-28 DOI: 10.1109/TELSKS.2005.1572082
Z. Jakšić, N. Dalarsson, M. Maksimović
{"title":"Electromagnetic structures containing negative refractive index metamaterials","authors":"Z. Jakšić, N. Dalarsson, M. Maksimović","doi":"10.1109/TELSKS.2005.1572082","DOIUrl":"https://doi.org/10.1109/TELSKS.2005.1572082","url":null,"abstract":"We review different structures for microwave and optical range containing 'left-handed' metamaterials - artificial composites with simultaneously negative effective permittivity and permeability. Special attention is dedicated to their fundamentals, design strategies and main applications which include subwavelength resonant cavities, superlenses, etc.","PeriodicalId":422115,"journal":{"name":"TELSIKS 2005 - 2005 uth International Conference on Telecommunication in ModernSatellite, Cable and Broadcasting Services","volume":"80 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120838020","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: 8
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