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Optimal power allocation over parallel relay channels with orthogonal regenerative decode-and-forward strategy 基于正交再生译码转发策略的并联中继信道最优功率分配
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752481
M. Shaqfeh, H. Alnuweiri
{"title":"Optimal power allocation over parallel relay channels with orthogonal regenerative decode-and-forward strategy","authors":"M. Shaqfeh, H. Alnuweiri","doi":"10.1109/IEEEGCC.2011.5752481","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752481","url":null,"abstract":"We consider the problem of optimal power allocation over a family of parallel Gaussian relay channels, each with a different set of channels' power gains. The applied cooperative strategy is half-duplex regenerative decode-and-forward which is multiplexed orthogonally with a direct transmission link from the source node to the destination node. We assume the availability of channel-state-information of the three links in every channel realization. We obtain a characterization of the optimal solution which includes the power allocated for each channel realization as well as the power allocated to the source node and the relay node so that the long-term average total transmitted power constraint is maintained. The solution has a simple structure and can be applied practically in relay-assisted wireless systems.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133152020","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
ECG signal feature extraction and classification based on R peaks detection in the phase space 基于相空间R峰检测的心电信号特征提取与分类
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752545
Olga Malgina, J. Milenkovic, E. Plesnik, M. Zajc, J. Tasic
{"title":"ECG signal feature extraction and classification based on R peaks detection in the phase space","authors":"Olga Malgina, J. Milenkovic, E. Plesnik, M. Zajc, J. Tasic","doi":"10.1109/IEEEGCC.2011.5752545","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752545","url":null,"abstract":"The goal of this paper is to present a novel approach in the automatic diagnosis of ECG abnormalities based on detection of R peaks in the phase space. The features are extracted from detected R peaks using their geometric position on the phase curve. This paper is dealing with classification problem of normal and abnormal ECG signals. The proposed system has been validated with the data from the MIT-BIH database, in order to detect the cardiac arrhythmia. Support Vector Machine and K-Nearest Neighbour are used as classifiers. Results for both classifiers are similar. They are showing high accuracy in the experiment of classifying one test signal.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122401594","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
On the fairness of frequency domain resource allocation in Wireless Mesh Networks — A survey 无线Mesh网络频域资源分配公平性研究综述
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752583
I. Ahmed, Amr M. Mohamed, T. Fouly, Y. C. Hu
{"title":"On the fairness of frequency domain resource allocation in Wireless Mesh Networks — A survey","authors":"I. Ahmed, Amr M. Mohamed, T. Fouly, Y. C. Hu","doi":"10.1109/IEEEGCC.2011.5752583","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752583","url":null,"abstract":"This article presents a concise survey of fairness-aware frequency domain resource allocation techniques in Wireless Mesh Networks (WMNs). Wireless mesh networks have emerged as a key technology for next generation application specific multi-hop wireless networks. We analyze the state-of-the-art resource allocation schemes for WMNs, providing comprehensive taxonomy of the latest work and the future research trends in this field. In general, the resources that are available for WMNs include, time, frequency, space, relays, and power. An efficient utilization of these resources can make the network more robust, reliable, and fair. In this article we focus the frequency domain resource fairness techniques already presented, and then, provide a suboptimal fair resource allocation scheme that maximizes the sum throughput after guaranteing the Service-Level-Agreement (SLA) requirements.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124203534","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: 9
An optimum power flow tool for optimising the expansion plan of reactive power compensation 一种优化无功补偿扩展方案的最优潮流工具
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752514
K. Karoui, H. Crisciu, L. Platbrood
{"title":"An optimum power flow tool for optimising the expansion plan of reactive power compensation","authors":"K. Karoui, H. Crisciu, L. Platbrood","doi":"10.1109/IEEEGCC.2011.5752514","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752514","url":null,"abstract":"This paper describes the methodology to determine the optimum size and location of reactive compensation equipments. The proposed method is implemented with a new interior point optimum power flow program called IPSO (Integrated Power System Optimizer), developed by Tractebel Engineering. The proposed objective functions achieve the trade off between economic objectives (investment cost) and functional objectives (real power losses reduction or security level requirements). The discrete variables are first modelled as continuous quantities then rounded-off sequentially to obtain a applicable operating point. The efficiency of the proposed methodology has been proven on several studies in different Gulf countries (e.g. Oman, Dubai…).","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127810213","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
Efficient path planning for searching a 2-D grid-based environment map 二维网格环境地图搜索的有效路径规划
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752468
M. Marzouqi
{"title":"Efficient path planning for searching a 2-D grid-based environment map","authors":"M. Marzouqi","doi":"10.1109/IEEEGCC.2011.5752468","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752468","url":null,"abstract":"In this paper, the aim is to find the shortest path from which a mobile robot can view the whole environment. Available solutions are based on polygonal representations of the environment. This has limited a detailed modeling of the obstacles due to the representation complexity and modeling limitations forced by the proposed solutions. Such inaccuracy can be critical in search related tasks. This work presents a solution based on a grid-based representation of the environment which provides a detailed modeling for complex obstacle strewn environments. The presented approach provides a close to optimal short search path which the robot can traverse to incrementally view all free spaces. The approach has been implemented and tested on a simulated environment. A number of test cases are presented.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"207 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116125572","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
Evaluation of a combined CPV and TPV system under high DNI 高DNI条件下CPV和TPV组合系统的评价
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752487
A. Mokri, M. Emziane
{"title":"Evaluation of a combined CPV and TPV system under high DNI","authors":"A. Mokri, M. Emziane","doi":"10.1109/IEEEGCC.2011.5752487","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752487","url":null,"abstract":"Concentrating photovoltaic systems (CPV) are usually composed of a Fresnel lens, and a three-junction two-terminal monolithically stacked solar cell. Stacking the sub-cells and the substrate monolithically raises the issue of the lattice and current matching. This issue limits the choice the materials and imposes optimization constraints. These constraints of current and lattice matching also exist in two-junction monolithically stacked solar cells. As a solution, an optical system is designed to keep the two quantum receivers apart while keeping the feature of converting different bands of the solar spectrum. In this paper, the design of a CPV system is presented. The system has two quantum receivers: a low bandgap cell which is sensitive to infrared radiation and another cell that has a high efficiency in the visible range of the solar spectrum, in addition to other optical components. The design shows an optical efficiency of 86.68 % and an overall conversion efficiency of 27 % while involving a GaAs (1.42 eV) and Ge (0.667 eV) single-junction solar cells.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"164 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114149501","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
Characteristics and properties of United Arab Emirates fog events using meteosat second generation thermal and visible channels 利用气象卫星第二代热通道和可见光通道的阿拉伯联合酋长国雾事件的特征和性质
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752632
A. Bushahab, H. Ghedira, K. Mubarak, H. Al-Ahmad, A. Dawood
{"title":"Characteristics and properties of United Arab Emirates fog events using meteosat second generation thermal and visible channels","authors":"A. Bushahab, H. Ghedira, K. Mubarak, H. Al-Ahmad, A. Dawood","doi":"10.1109/IEEEGCC.2011.5752632","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752632","url":null,"abstract":"Satellite remote sensing is an important tool in the detection and short range forecasting (now-casting) of fog events. Fog over land develops primarily during the late-night and pre-dawn hours, infrared remote sensing is indispensable in observing fog formation, while visible imagery helps to monitor the extent and density of fog after sunrise. On average there are more than forty five fog occurrences in UAE per year. This paper describes the methods used by EIAST for using satellite remote sensing for detecting and now-casting fog events. The temperature difference between two infrared bands (11 μm and 4 μm) forms the basis for fog detection and classification [1].","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115135541","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
A single-phase current vector control for a DSTATCOM installed in distribution systems 用于配电系统中DSTATCOM的单相电流矢量控制
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752592
A. Elnahdy
{"title":"A single-phase current vector control for a DSTATCOM installed in distribution systems","authors":"A. Elnahdy","doi":"10.1109/IEEEGCC.2011.5752592","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752592","url":null,"abstract":"This paper demonstrates an effective control technique for a Distribution STATic COMpensator, (DSTATCOM), as a custom power conditioner to mitigate the current fluctuation and voltage flicker in industrial distribution systems. The proposed control is newly utilized for a single-phase DSTATCOM, and it depends on a current vector control technique for generating the required reactive power. It is known that the current vector control is commonly implemented on a three-phase system to operate the three-phase DSTATCOM. The novelty in this paper is articulated in the implementation of the current vector control on a single-phase circuit to operate a single-phase DSTATCOM. The presented ideas are conveyed and approved through simulation results using MATLAB/SIMULINK along with a real time-domain model of the arc furnace.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125431334","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
H∞ analysis for a class of Markov jump nonlinear systems 一类马尔可夫跳变非线性系统的H∞分析
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752611
A. Abolmasoumi, S. Delshad, H. Momeni
{"title":"H∞ analysis for a class of Markov jump nonlinear systems","authors":"A. Abolmasoumi, S. Delshad, H. Momeni","doi":"10.1109/IEEEGCC.2011.5752611","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752611","url":null,"abstract":"The problem of H-inf analysis for Markov jump nonlinear systems with Lipchitz type nonlinearity is considered. A sufficient condition for disturbance attenuation in terms of linear matrix inequalities is developed which ensures robust stochastic mean square stability. The design process assumes a prescribed level of disturbance attenuation and uses a mode based Lyapunov function. A numerical example is also provided to show the effectiveness of our approach.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126869647","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
Topology effect on the capacity of wireless mesh networks 拓扑结构对无线网状网络容量的影响
2011 IEEE GCC Conference and Exhibition (GCC) Pub Date : 2011-04-19 DOI: 10.1109/IEEEGCC.2011.5752530
Youssef Iraqi Khalifa
{"title":"Topology effect on the capacity of wireless mesh networks","authors":"Youssef Iraqi Khalifa","doi":"10.1109/IEEEGCC.2011.5752530","DOIUrl":"https://doi.org/10.1109/IEEEGCC.2011.5752530","url":null,"abstract":"The wireless backbone of the WMN poses several constraints on the amount of traffic that can be transferred through the network. In this paper we present an investigation of the WMNs topology effect on the capacity of these networks. Three different topology types were considered: square, triangle, and hexagon. These topology configurations can be used as a starting point in the initial design of a new WMN. The study shows that a triangle-based topology leads to higher capacity of the network. We also provide guidelines on when a new gateway should be introduced to increase the capacity of the network.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126978045","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
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