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2015 23rd Telecommunications Forum Telfor (TELFOR)最新文献

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Porting operating system Firefox OS for the MIPS32 architecture 为MIPS32架构移植操作系统Firefox OS
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2016-01-11 DOI: 10.1109/TELFOR.2015.7377604
Jelisavcic Milan, V. Nikola, Trsic Lazar, M. Dusan
{"title":"Porting operating system Firefox OS for the MIPS32 architecture","authors":"Jelisavcic Milan, V. Nikola, Trsic Lazar, M. Dusan","doi":"10.1109/TELFOR.2015.7377604","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377604","url":null,"abstract":"The paper gives a summary view of techniques used to port the operating system Firefox OS to 32-bit MIPS platform. MIPS is a highly energy-efficient processor, with average performance and a low price range, and as such is suitable for use on mobile devices. Overview of platform's capabilities and reasons for porting of the operating system are given, followed by technical requirements for porting Firefox OS to the new architecture. Paper ends with results of comparative tests, performed on ARM and MIPS platforms.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127471293","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
Electrode structure for both poling and driving of the electro-optic polymer in an analog-to-digital converter based on an optical deflector 基于光偏转器的模数转换器中电光聚合物的极化和驱动电极结构
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-24 DOI: 10.1109/TELFOR.2015.7377531
Massinissa Hadjloum, M. El Gibari, Hongwu Li, A. Daryoush
{"title":"Electrode structure for both poling and driving of the electro-optic polymer in an analog-to-digital converter based on an optical deflector","authors":"Massinissa Hadjloum, M. El Gibari, Hongwu Li, A. Daryoush","doi":"10.1109/TELFOR.2015.7377531","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377531","url":null,"abstract":"Full optimization design of an electro-optic (E-O) deflector for a 44 giga-sample-per-second all-optical analog-to-digital converter application is reported in this paper. The E-O polymer based deflector is used for a spatial sampling of a radio frequency (RF) voltage applied through in-plane lateral configuration electrodes. The traditional poling configuration, in the metal-contact technique, by sandwiching the waveguide between a ground plane and a full plate top electrode is not adapted for chromophore orientation in lateral direction. We propose to build one set of electrodes, for both poling and driving the E-O polymer based optical deflector, by adding DC contacts for each strips via low-pass filter to avoid narrowing of the RF bandwidth. The DC poling contacts introduce only 1 dB additional insertion losses and reduce the bandwidth from 25.5 down to 21.6 GHz while the E-O effect should be increased due to the optimal chromophores orientation.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117035168","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
Tuning of microwave and optical properties of the electro-optic polymer PMMA-DR1 by loading with SiC nanoparticles for optimization of photonic microwave components 通过加载SiC纳米粒子对电光聚合物PMMA-DR1的微波和光学性能进行调谐，以优化光子微波元件
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-24 DOI: 10.1109/TELFOR.2015.7377523
D. Palessonga, M. El Gibari, S. Ginestar, H. Terrisse, B. Guiffard, A. Kassiba, H. W. Li
{"title":"Tuning of microwave and optical properties of the electro-optic polymer PMMA-DR1 by loading with SiC nanoparticles for optimization of photonic microwave components","authors":"D. Palessonga, M. El Gibari, S. Ginestar, H. Terrisse, B. Guiffard, A. Kassiba, H. W. Li","doi":"10.1109/TELFOR.2015.7377523","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377523","url":null,"abstract":"We report on a study of the influence of the Silicon Carbide (SiC) nanoparticles on the microwave and optical properties of electro-optic (EO) polymers. EO polymers are known as much more promising than the popular inorganic EO crystal Lithium Niobate (LiNbO3). Indeed, EO polymers can have larger EO coefficients and permit broader component bandwidths due to a better velocity matching between lightwave and microwave signal. In this study, we use a classical EO polymer constituted of poly(methyl methacrylate) (PMMA) used as host polymer matrix in which Disperse Red 1 (DR1) EO dyes have been dispersed. The obtained results show that both the dielectric constant and the refractive index of PMMA-DR1 films may be continuously tuned by incorporating SiC nanoparticles. Therefore, one can increase component bandwidths by optimizing phase velocity matching between lightwave and microwave signal and improve optical mode coupling.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123500827","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
Dynamic channel assignment algorithms for supporting QoS based services in wireless cellular environments 支持无线蜂窝环境中基于QoS的服务的动态信道分配算法
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-20 DOI: 10.1109/TELFOR.2015.7377567
P. Papazoglou, Dimitrios Alexios Karras, R. C. Papademetriou
{"title":"Dynamic channel assignment algorithms for supporting QoS based services in wireless cellular environments","authors":"P. Papazoglou, Dimitrios Alexios Karras, R. C. Papademetriou","doi":"10.1109/TELFOR.2015.7377567","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377567","url":null,"abstract":"The number of users employing multimedia services in cellular networks has been increased dramatically in the last decade. Multimedia services are more demanding compared to traditional voice services in terms of bandwidth availability and integrity. The capacity and the bandwidth reservation on demand according to QoS requirements are key concepts in mobile cellular communications. The available frequency spectrum is limited and the demand for enhanced mobile user facilities is increasing day by day, hence the channels must be reused as much as possible to increase the system capacity. Existing and proposed channel assignment strategies have to be transformed to support efficiently the new demanding multimedia services. Through this paper we present a review of the most known channel assignment strategies, as well as their QoS aspects and we propose new DCA variations and a channel architecture adapted to QoS requirements for supporting multimedia services. We also present some strategies, models and conclusions for algorithm evaluation based on experimental results.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129761423","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
Android system for identification of objects based on QR code 基于二维码的安卓物体识别系统
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377616
D. Jagodić, D. Vujičić, S. Randic
{"title":"Android system for identification of objects based on QR code","authors":"D. Jagodić, D. Vujičić, S. Randic","doi":"10.1109/TELFOR.2015.7377616","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377616","url":null,"abstract":"This paper shows an Android-based system for identification of objects based on reading of QR codes. The system is developed to facilitate identification of various items that exist in already created inventory. The designed system is composed of a database, Web service for intermediary access to the database via Web, and the client Android application, that can be run on mobile phones or tablet computers. It is shown how this system can be used for cataloguing the computer equipment, but the usage of the system is not limited solely to this.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116938464","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: 14
An affine combination of adaptive filters for sparse impulse response identification 稀疏脉冲响应识别的仿射组合自适应滤波器
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377491
Maksim Butsenko, T. Trump
{"title":"An affine combination of adaptive filters for sparse impulse response identification","authors":"Maksim Butsenko, T. Trump","doi":"10.1109/TELFOR.2015.7377491","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377491","url":null,"abstract":"In this paper we present an affine combination strategy for two adaptive filters. One filter is designed to handle sparse impulse responses and the other one performs better if impulse response is dispersive. Filter outputs are combined using an adaptive mixing parameter and the resulting output shows better performance than each of the combining filters separately. We also demonstrate that affine combination results in faster convergence than convex combination of two adaptive filters.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117204373","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
Digital beam former for multibeam multistatic radar receiver 用于多波束多基地雷达接收机的数字波束形成器
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377457
Z. Golubičić
{"title":"Digital beam former for multibeam multistatic radar receiver","authors":"Z. Golubičić","doi":"10.1109/TELFOR.2015.7377457","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377457","url":null,"abstract":"This paper presents new digital multibeam former. Digital multibeam former is capable to synthesize few hundred of beams simultaneously. This concept permits antenna array receiver to receive signals in wide solid angle with the antenna gain corresponding antenna aperture. Target application of the multibeam antenna is the multistatic radar receiver. Methods for parallel and serial beam forming are established. As the optimum modulation for minimizing FPGA (Field Programmable Gate Array) logic resources BPSK (Binary Phase Shift Keying) modulation is selected.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121361020","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
One solution for rendering translucent 2D UI elements in 3D space 一个在3D空间中渲染半透明2D UI元素的解决方案
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377584
Nenad Jovanovic, Goran Stupar, N. Teslic, M. Bjelica
{"title":"One solution for rendering translucent 2D UI elements in 3D space","authors":"Nenad Jovanovic, Goran Stupar, N. Teslic, M. Bjelica","doi":"10.1109/TELFOR.2015.7377584","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377584","url":null,"abstract":"This paper describes a rendering system designed to render translucent 2D UI elements (e.g. images and text) in 3D space. Significant part of the implemented system and algorithm is dedicated to rendering of composite 2D elements consisting of multiple simple elements in the same plane in 3D space. The described approach was incorporated in a UI development framework which is used by several real world applications developed for consumer electronics devices.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125913365","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
Review of results of interlaboratory comparisons of national accredited laboratorys in the free field noise level measurements 审查国家认可实验室在自由场噪声水平测量中的实验室间比较结果
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377564
Danica C. Boljevic, Aleksandar Milenković, Damir M. Savkovic
{"title":"Review of results of interlaboratory comparisons of national accredited laboratorys in the free field noise level measurements","authors":"Danica C. Boljevic, Aleksandar Milenković, Damir M. Savkovic","doi":"10.1109/TELFOR.2015.7377564","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377564","url":null,"abstract":"Interlaboratory comparisons in the field of enviromental noise level measurements were organized by IMS Institute in Belgrade in August this year as a part of the standard noise monitoring according to of the method given in the standard (SRPS) ISO 1996-2 which corresponded to the measurements of the noise level in free field. The interlaboratory comparison was attended by seven accredited laboratories, from wich four were foreign and three laboratories were from Serbia.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"239 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123443994","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
Porting luajit compiler to MIPS32 architecture without FPU 将luajit编译器移植到没有FPU的MIPS32架构
2015 23rd Telecommunications Forum Telfor (TELFOR) Pub Date : 2015-11-01 DOI: 10.1109/TELFOR.2015.7377597
D. Kovacevic, Stefan Pejic, Petar Jovanovic, N. Teslic
{"title":"Porting luajit compiler to MIPS32 architecture without FPU","authors":"D. Kovacevic, Stefan Pejic, Petar Jovanovic, N. Teslic","doi":"10.1109/TELFOR.2015.7377597","DOIUrl":"https://doi.org/10.1109/TELFOR.2015.7377597","url":null,"abstract":"This paper describes porting LuaJIT compiler to MIPS32 architecture without floating-point unit (FPU). Porting is done by adding software implementation of floating-point arithmetic. It also includes enabling dual number mode for LuaJIT on MIPS32 architecture.","PeriodicalId":130784,"journal":{"name":"2015 23rd Telecommunications Forum Telfor (TELFOR)","volume":"501 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123565697","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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