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Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference最新文献

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Framework for opportunistic routing in wireless sensor networks with application to multiple antennas in fading environments 无线传感器网络中的机会路由框架及其在衰落环境下多天线的应用
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475908
Benjamin R. Hamilton, M. Gidlund, Stephen Culver
{"title":"Framework for opportunistic routing in wireless sensor networks with application to multiple antennas in fading environments","authors":"Benjamin R. Hamilton, M. Gidlund, Stephen Culver","doi":"10.1109/MELCON.2010.5475908","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475908","url":null,"abstract":"In this article we present a framework for routing based on a distributed routing decision and adapt the framework on a multiple-input multiple-output (MIMO) system. Our proposed framework provides a cross-layer design where the routing decision is decided through silent negotiation between candidate relays. The proposed protocol divides the routing decision between transmitter and the receivers: the transmitter decides the direction and an angle spread to broadcast the packet; each receiver, without communicating each other, decides whether to start a timer whose duration depends on the strength of the channel state information. The node with the shortest timer transmits first and thus becomes the transmitter for the next hop. We verify the performance of the proposed framework by computer simulations.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129701522","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
An analysis of cross points in the low-degree polynomial gains of p-lag unbiased smoothing FIR filters p滞后无偏平滑FIR滤波器低次多项式增益中的交叉点分析
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475944
L. Morales-Mendoza, Y. Shmaliy, S. Pérez-Cáceres
{"title":"An analysis of cross points in the low-degree polynomial gains of p-lag unbiased smoothing FIR filters","authors":"L. Morales-Mendoza, Y. Shmaliy, S. Pérez-Cáceres","doi":"10.1109/MELCON.2010.5475944","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475944","url":null,"abstract":"We address an analysis of the low-degree polynomials gains of the p-lag unbiased smoothing FIR filters. It is shown that such a gain is uniquely specified for unbiased FIR filters depending on the number of system states. An important feature of the p-lag gain is that, at the cross points, it converges to the reduced degree gain. The cross points between the uniform, linear, quadratic, and cubic smoothing unbiased FIR filter gains have therefore been investigated in detail. At these points, a number of simulations have been provided and advantages demonstrated.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129843556","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
Channel equalization with cellular neural networks 用细胞神经网络实现信道均衡
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5476301
A. Özmen, B. Tander
{"title":"Channel equalization with cellular neural networks","authors":"A. Özmen, B. Tander","doi":"10.1109/MELCON.2010.5476301","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5476301","url":null,"abstract":"In this paper, a dynamic neural network structure called Cellular Neural Network (CNN) is employed for the equalization in digital communication. It is shown that, this nonlinear system is capable of suppressing the effect of intersymbol interference (ISI) and the noise at the channel. The architecture is a small-scaled, simple CNN containing 9 neurons, thus having only 19 weight coefficients. Proposed system is compared with linear transversal filters as well as with a Multilayer Perceptron (MLP) based equalizer.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128457802","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
A quality of service-aware routing scheme for multimedia streaming in wireless cabin environments 无线座舱环境下多媒体流的服务质量感知路由方案
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475921
K. Chetcuti, C. J. Debono
{"title":"A quality of service-aware routing scheme for multimedia streaming in wireless cabin environments","authors":"K. Chetcuti, C. J. Debono","doi":"10.1109/MELCON.2010.5475921","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475921","url":null,"abstract":"The advent of efficient video compression algorithms and the increase in the data-rate handling capabilities of wireless standards facilitate multimedia streaming over wireless networks. The Quality of Service (QoS) of this application heavily depends on the number of lost packets and the end-to-end delay. Various studies have proposed solutions and analysis on the bandwidth constraints, but too little effort has been directed towards the improvement in video quality by ensuring a higher success rate of the transmitted multimedia packets in adverse channel conditions. In this paper we propose such a solution in a wireless cabin environment. The algorithm determines the better channel conditions between direct routing from the server to the mobile station and one hop ad-hoc routing by analyzing the number of successfully transmitted packets. The selected solution is then used for transmission of subsequent multimedia packets until the performance degrades, reinitiating channel selection.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128492133","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
Thermal and electrical layout optimisation of multilayer structure solid-state devices based on the 2-D Fourier series 基于二维傅里叶级数的多层结构固态器件热、电布局优化
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475976
R. Marani, A. G. Perri
{"title":"Thermal and electrical layout optimisation of multilayer structure solid-state devices based on the 2-D Fourier series","authors":"R. Marani, A. G. Perri","doi":"10.1109/MELCON.2010.5475976","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475976","url":null,"abstract":"In this paper a 2-D Fourier transform-based analytical method for the thermal and electrical layout optimisation of multilayer structure solid-state devices is proposed. Compared with previous models presented in literature, it is general and can be easily applied to a large variety of integrated devices, provided that their structure can be represented as an arbitrary number of superimposed layers with a 2-D embedded thermal source, so as to include the effect of the package. The proposed method is independent of the specific physical properties of the layers, hence GaAs MESFETs and HEMTs as well as Silicon and Silicon-On-Insulator MOSFETs and heterostructure LASERs can be analysed. Moreover, it takes into account the dependence of the thermal conductivity of all the layers on the temperature; the heat equation is solved coupled with the device current-voltage relation in order to give physical consistence to the experimental evidence that a temperature increase causes a degradation of the electrical performances and that the electrical power is not uniformly distributed.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128698203","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
Improved control strategy to mitigate electromechanical wave propagation using PSS 改进的PSS控制策略以减缓机电波的传播
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5476344
Mahmoud N. Ali, J. Buisson, Y. Phulpin
{"title":"Improved control strategy to mitigate electromechanical wave propagation using PSS","authors":"Mahmoud N. Ali, J. Buisson, Y. Phulpin","doi":"10.1109/MELCON.2010.5476344","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5476344","url":null,"abstract":"This paper addresses the problem of electromechanical wave propagation in power systems. To mitigate this type of disturbance, this paper proposes a remote control strategy that could be applied to power system stabilizers. This strategy is based on wide-area measurements, and exploits the disturbance propagation speed to introduce an extra damping torque simul-taneously with the disturbance arrival. Simulation results show that the application of such strategy improves the power system dynamics.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130629746","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
Design and “inteligent” control of hybrid power system in telecommunication 电信混合电力系统的设计与“智能”控制
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5476226
Boban Panajotovic, B. Odadzic
{"title":"Design and “inteligent” control of hybrid power system in telecommunication","authors":"Boban Panajotovic, B. Odadzic","doi":"10.1109/MELCON.2010.5476226","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5476226","url":null,"abstract":"The basic requirements for telecommunication power systems are related to their safety, long life and uninterruptible power (voltage). Hybrid power system design for power feeding of telecommunication equipment has to fulfill same requirements. The subject of this paper is hybrid power system requirements, design, practical calculation and sizing of its major part: photovoltaic cell, wind turbine, diesel generators and storage battery. Focus of this paper is “inteligent” control based on weather condition and battery status in this kind of system and benefites as: fuel consumption and CO2 emmision reduction and logistic cost decreasing.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"13 11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128870824","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: 12
Direct determination of PE and PAE of an Active patch antenna 有源贴片天线的PE和PAE的直接测定
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475992
N. Ali, N. McEwan, E. Elkhazmi
{"title":"Direct determination of PE and PAE of an Active patch antenna","authors":"N. Ali, N. McEwan, E. Elkhazmi","doi":"10.1109/MELCON.2010.5475992","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475992","url":null,"abstract":"In this paper, the power added efficiency and/or the power efficiency of an active antenna was measured using a specially devised setup. This was based on previous work by the authors whereby the power input to a radiating element of an active patch antenna was measured using a small sensing patch. Combined with an estimate of patch radiation efficiency, the method also yields a measurement of total radiated power. Because of weakly frequency-dependant calibration factor, the method has advantages of convenience and can be integrated with modern computer based measurement systems.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125555931","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
Precoding for improved performance of Welch-bound signature sets 改进welch绑定签名集性能的预编码
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475978
E. Lehtonen, J. Paavola, A. Dudkov, Tero Hurnanen
{"title":"Precoding for improved performance of Welch-bound signature sets","authors":"E. Lehtonen, J. Paavola, A. Dudkov, Tero Hurnanen","doi":"10.1109/MELCON.2010.5475978","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475978","url":null,"abstract":"Welch-bound signature sets are optimal for oversaturated synchronous CDMA in terms of minimizing the multiple access interference. In this paper, precoding of the sum signal of Welch-bound signatures, in order to maximize the mean signal-to-interference ratio for conventional receivers, is analysed. The gain compared to normal sum signal is calculated, and also the effect on the energy of the sum signal is derived.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126650083","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 new UWB pulse generator for narrowband interference avoidance 一种新型窄带抗干扰超宽带脉冲发生器
Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference Pub Date : 2010-04-26 DOI: 10.1109/MELCON.2010.5475977
V. Mir-Moghtadaei, A. Jalili, A. Fotowat-Ahmady, A. Zeidaabadi Nezhad, H. Hedayati
{"title":"A new UWB pulse generator for narrowband interference avoidance","authors":"V. Mir-Moghtadaei, A. Jalili, A. Fotowat-Ahmady, A. Zeidaabadi Nezhad, H. Hedayati","doi":"10.1109/MELCON.2010.5475977","DOIUrl":"https://doi.org/10.1109/MELCON.2010.5475977","url":null,"abstract":"In this paper a new IR-UWB pulse generator circuit is proposed which is capable of solving the coexistence problem of narrowband and ultra wideband communication systems. This is done by creating a notch in the PSD of the generated UWB signal and adjusting its center frequency at the frequency of the narrowband interference. Using a triangular pulse generator, a triangular signal is generated and applied to the proposed circuit which consists of three main function blocks including quadratic, exponential and differentiator circuits. A differential pair MOS transistors in sub threshold region is utilized in order to realize the exponential block. The circuit is designed using a 0.18-mm RF CMOS technology. The notch is produced with the center frequency of 5GHz. Simulation results verify the effectiveness of the proposed pulse generation technique where simulated signals are in accordance with mathematical analyses. The resultant IR-UWB signal also satisfies the FCC mask requirements.","PeriodicalId":256057,"journal":{"name":"Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126374623","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: 11
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