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2013 21st Telecommunications Forum Telfor (TELFOR)最新文献

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Experimental investigation of 2D-WH/TS codes based on PS multi-color pulses 基于PS多色脉冲的2D-WH/TS编码实验研究
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-12-01 DOI: 10.1109/TELFOR.2013.6716197
S. Idris, T. Osadola, I. Glesk
{"title":"Experimental investigation of 2D-WH/TS codes based on PS multi-color pulses","authors":"S. Idris, T. Osadola, I. Glesk","doi":"10.1109/TELFOR.2013.6716197","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716197","url":null,"abstract":"Two-dimensional wavelength-hopping time-spreading (2D-WH/TS) codes have been used by number of research groups around the world in their research. Good understanding of 2D-WH/TS codes if they would be based on picosecond multi-color pulses is therefore very important. In this paper we report results of our extensive investigation which has been focused on such codes performance when they were implemented in an OCDMA testbed connecting University of Strathclyde with Glasgow University and running at the data rate of OC-48 (2.5Gb/s). We will show that to maintain desired BER very accurate dispersion management of the transmission link must be maintained at all times. If this requirement is even slightly violated a high penalty in the form of strong BER deterioration will be inflicted.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125934315","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 analyzes of dual-hop relay system over Ricean fading channels rice衰落信道双跳中继系统性能分析
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-12-01 DOI: 10.1109/TELFOR.2013.6716202
M. Ilic-Delibasic, M. Pejanović-Djurišić, R. Prasad
{"title":"Performance analyzes of dual-hop relay system over Ricean fading channels","authors":"M. Ilic-Delibasic, M. Pejanović-Djurišić, R. Prasad","doi":"10.1109/TELFOR.2013.6716202","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716202","url":null,"abstract":"In this paper we present analytical model for performance evaluation of dual hop amplify-and-forward relay transmission over non-identical Ricean fading channels on both hops. Probability density function (PDF) and moment generating function (MGF) of total received SNR (signal-to-noise ratio) are presented as fast converging sum. Furthermore, adequate semi-closed form expressions for average bit error rate (BER) and outage probability (OP) are derived. Numerical and simulation results confirm the validity of the proposed analytical model. Additionally, we analyzed the impact of unbalanced SNRs of the two hops on the error performance of the considered relay system.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133045632","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
Outage performance of cooperative relaying systems in interference-limited environment 有限干扰环境下协同继电系统的中断性能
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716232
A. Cvetkovic, G. Dordevic
{"title":"Outage performance of cooperative relaying systems in interference-limited environment","authors":"A. Cvetkovic, G. Dordevic","doi":"10.1109/TELFOR.2013.6716232","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716232","url":null,"abstract":"Cooperative relaying technology is often used as an efficient solution for improving the performance of wireless communications systems. This technology has advantage of extending the coverage and increasing throughput without using large power at the transmitter. In this paper, the outage performance of dual-hop links with partial relay selection and co-channel interferers at both relay and destination in Rayleigh fading channel is investigated. The amplify-and-forward relaying is employed with the channel state information (CSI)-assisted relays requiring the CSI from the previous hop and from all co-channel interferers at the relay. The relay selection is based only on the instantaneous signal to interference ratio from the first hop. We provide an exact closed-form expression for the outage probability of the observed system. The numerical results obtained by the analytical approach are verified by Monte-Carlo simulations. The presented results are the part of a PhD thesis.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"203 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114971134","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
Linux OS security problems in embedded systems application developmet Linux操作系统在嵌入式系统应用开发中的安全问题
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716407
Dejan Babic, Tomislav Sajdl, T. Andelic, Nikola Crvenkovic
{"title":"Linux OS security problems in embedded systems application developmet","authors":"Dejan Babic, Tomislav Sajdl, T. Andelic, Nikola Crvenkovic","doi":"10.1109/TELFOR.2013.6716407","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716407","url":null,"abstract":"This paper provides an overview of some guidance on how to develop software using GNU/Linux operating system, in order to realize a safe system. The aim is to keep the system secured from possible external attacks, so some principles are given that should be followed in order to keep the system more secure.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"14 37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123175769","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
Single-iteration algorithm for compressive sensing reconstruction 压缩感知重构的单迭代算法
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716264
S. Stankovic, I. Orović, L. Stanković
{"title":"Single-iteration algorithm for compressive sensing reconstruction","authors":"S. Stankovic, I. Orović, L. Stanković","doi":"10.1109/TELFOR.2013.6716264","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716264","url":null,"abstract":"In the light of popular compressive sensing concept, this paper proposes a single-iteration reconstruction algorithm for recovering sparse signals from its incomplete set of observations. Compressive sensing assumes that a signal which is sparse in certain transform domain can be randomly sampled in another (dense) domain, taking lower number of samples than required by the sampling theorem. Then, using the optimization algorithms, the entire signal information can be recovered. In our case, instead of using ℓ1-based methods or approximate greedy solutions, we propose a simple algorithm based on the analysis of noisy-effects that appear in the sparsity domain as a consequence of missing samples. The theory is proven on the examples.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125399676","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: 25
Variable sample rate acquisiton platform 可变采样率采集平台
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716262
Milan Z. Baltic, A. Rakic, M. Ponjavic
{"title":"Variable sample rate acquisiton platform","authors":"Milan Z. Baltic, A. Rakic, M. Ponjavic","doi":"10.1109/TELFOR.2013.6716262","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716262","url":null,"abstract":"This paper presents a solution for hardware platform for signal acquisition with variable sampling rate. The system is designed to work in noisy environment near power distribution grid with variable frequency.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125534121","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 loudness control for IP-based SPTS and MPTS streams 实时响度控制基于ip的SPTS和MPTS流
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716273
Roberto Drago, Trevor Spiteri, P. Micallef
{"title":"Real-time loudness control for IP-based SPTS and MPTS streams","authors":"Roberto Drago, Trevor Spiteri, P. Micallef","doi":"10.1109/TELFOR.2013.6716273","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716273","url":null,"abstract":"Loudness control is the process of analysing and manipulating the audio components within a digital stream with the aim of maintaining the average loudness as consistent as possible together with providing a better Quality of Experience. This research extends the ITU BS.1770 and the EBU R128 standards by performing corrections in real-time with tight input-to-output delays, close to 24ms, and low resource usage as confirmed by the subjective testing and quality assurance methods performed.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116071849","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
WIPL-D modeling of multilayer filter with interdigital feeders 带数字间馈线的多层滤波器的WIPL-D建模
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716376
Sava B. Grkovic, D. M. Miljanovic, S. Stefanovski, M. Potrebić, D. Tosic
{"title":"WIPL-D modeling of multilayer filter with interdigital feeders","authors":"Sava B. Grkovic, D. M. Miljanovic, S. Stefanovski, M. Potrebić, D. Tosic","doi":"10.1109/TELFOR.2013.6716376","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716376","url":null,"abstract":"This paper presents the design of multilayer filter with interdigital feeders. The filter is designed using microstrip technology. In this paper we present the results obtained in WIPL-D 3D EM Solver, compared with the results obtained by measuring on laboratory prototype and those obtained using software Zeland IE3D.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116102006","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
Multifractal and inverse multifractal analysis of multiview 3D video 多视点三维视频的多重分形与逆多重分形分析
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716339
Amela Zeković, I. Reljin
{"title":"Multifractal and inverse multifractal analysis of multiview 3D video","authors":"Amela Zeković, I. Reljin","doi":"10.1109/TELFOR.2013.6716339","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716339","url":null,"abstract":"In this paper, results of multifractal and inverse multifractal analysis of multiview 3D video are presented. Multifractal spectrum is determined by the histogram method for combined view of 3D video. Due to the advantages of the selected method for determining the spectrum, inverse multifractal analysis of the combined view was also possible. Discussion of the results obtained by the inverse multifractal analysis of 3D video is presented, taking into account whether the original frames belong to the left or the right view of multiview 3D video. In the analysis, publicly available multiview 3D video traces are used.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116245982","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
One proposal of solution for Personal Video Recorder 个人录像机的一种解决方案
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716401
Dusan Sijakov, Davor Sabo, Milena Mirković, Jan Zloh
{"title":"One proposal of solution for Personal Video Recorder","authors":"Dusan Sijakov, Davor Sabo, Milena Mirković, Jan Zloh","doi":"10.1109/TELFOR.2013.6716401","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716401","url":null,"abstract":"This paper presents the extension of an existing software with PVR application. The application is developed and tested on the satellite STB device with Neotion NP6 SoC and the Linux OS. Implemented functions are time-shift, recording of current viewed service, recording via timer and trick modes.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"2020 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114176249","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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