发布求助
文献互助 智能选刊 最新文献

2009 Canadian Conference on Electrical and Computer Engineering最新文献

筛选
英文 中文
Microwave scatters evaluation for indoor/outdoor broadband coverage and data transmission 室内/室外宽带覆盖和数据传输的微波散射评估
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090293
M. Ghaddar, L. Talbi, J. LeBel
{"title":"Microwave scatters evaluation for indoor/outdoor broadband coverage and data transmission","authors":"M. Ghaddar, L. Talbi, J. LeBel","doi":"10.1109/CCECE.2009.5090293","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090293","url":null,"abstract":"This study focuses on the investigation of microwave scatter for data transmission relay to extend the signal coverage whether indoor or outdoor for non-line-of-sight (NLOS) applications. This provides an economic solution to improve broadband access to subscribers in remote places. A series of CW measurements over 29-30 GHz was conducted indoor at an intersection of two hallways in presence of a microwave scatterer such as flat surface metallic reflector. Also measurements were carried outdoor to target an office building in the campus of the CRC. Whether indoor or outdoor, Results show that microwave scatter provides better signal coverage and data throughput. Its strength depends strongly on the scatterer's type and surface. Results also indicate that, for systems operating at a short range, microwave scatter provides an alternative to LOS systems, cables or the use of retransmission systems. The measurement system involves a new evolutional method of providing phase coherence between transmitter and receiver where both transmitter and receiver are connected by means of a single-mode optical fiber cable.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130593423","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
A backstepping approach for the design of a nonlinear controller for a two-wheeled autonomous vehicle 基于回溯法的两轮自动驾驶车辆非线性控制器设计
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090207
F. Okou, D. Nganga-Kouya, M. Tarbouchi
{"title":"A backstepping approach for the design of a nonlinear controller for a two-wheeled autonomous vehicle","authors":"F. Okou, D. Nganga-Kouya, M. Tarbouchi","doi":"10.1109/CCECE.2009.5090207","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090207","url":null,"abstract":"This paper proposes an innovative approach for the design of a nonlinear controller to stabilize an autonomous mobile robot. The design approach combines a nonlinear control design method with a root-finding algorithm for nonlinear algebraic equations. For the design, the robot model is divided into two parts: a state space model with intermediate control inputs and algebraic nonlinear equations relating the true and the intermediate control inputs. First, a suitable change of variable is applied to the traditional robot dynamics to reveal the strict feedback structure of this state space model. Next, a three-step backstepping control design method is applied to obtain the intermediate control input expressions. Finally, the true control inputs are found by solving iteratively the nonlinear equations that relates intermediate and true control inputs. The proposed design strategy is tested in simulation. The results show that good tracking performances are achieved.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123848007","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
Artificial neural network application in analog layout placement design 人工神经网络在模拟版图布局设计中的应用
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090269
Rui He, Lihong Zhang
{"title":"Artificial neural network application in analog layout placement design","authors":"Rui He, Lihong Zhang","doi":"10.1109/CCECE.2009.5090269","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090269","url":null,"abstract":"In this paper, we propose a method using mean-field neural networks to solve the placement problem for the layout design of analog integrated circuits. By means of the energy function, our method can not only meet the basic requirements of placement, but also handle the symmetry and proximity constraints that are special for analog layouts. Compared with other work, our experimental results show this proposed optimization scheme can achieve more efficient performance and obtain optimal solutions.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123481254","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
Estimation of boundary properties using stochastic differential equations 用随机微分方程估计边界性质
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090159
Ashraf Atalla, A. Jeremic
{"title":"Estimation of boundary properties using stochastic differential equations","authors":"Ashraf Atalla, A. Jeremic","doi":"10.1109/CCECE.2009.5090159","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090159","url":null,"abstract":"Recently, Modeling and detection of different boundary properties are becoming and essential tools in many applications such as drug delivery and modeling of capillary walls. In this paper, we propose computationally efficient framework for estimating the boundary properties using stochastic differential equations. The main advantage of this technique lies in the fact that it accounts for random effects such as Brownian motion which are not accounted for in commonly used classical techniques based on Fick's law of diffusion. We model the dispersion of particles in the presence of absorbing/reflecting boundaries using Fokker-Planck equation. We then derive the inverse model for the estimation of the absorbing region. We demonstrate the applicability of our results using numerical examples.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"52 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120927109","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
QoS evaluation of a voice over IP network with video: A case study 具有视频的IP语音网络的QoS评价:一个案例研究
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090139
Nicholas J De Cristofaro, Geoff McGill, Afrim Sallahi, Matt Davis, A. Alsibai, M. St-Hilaire
{"title":"QoS evaluation of a voice over IP network with video: A case study","authors":"Nicholas J De Cristofaro, Geoff McGill, Afrim Sallahi, Matt Davis, A. Alsibai, M. St-Hilaire","doi":"10.1109/CCECE.2009.5090139","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090139","url":null,"abstract":"In this paper, we evaluate the effect of different queueing disciplines and different codecs on a voice over IP (VoIP) network with video (also known as video conference). A real network topology is implemented using Cisco equipment. Experimental results show that low latency queueing (LLQ) and AutoQoS can provide significant improvements over FIFO in terms of delay, jitter and reserved bandwidth for a VoIP call with video. As far as codecs are concerned, they are suitable for different scenarios. It's for certain that G.729 helps when low bandwidth is a must but, without any QoS parameters in place, codecs do not make a good enough difference for acceptable call quality on a congested network.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121167325","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
Face verification with changeable templates 可更改模板的人脸验证
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090086
Yongjin Wang, D. Hatzinakos
{"title":"Face verification with changeable templates","authors":"Yongjin Wang, D. Hatzinakos","doi":"10.1109/CCECE.2009.5090086","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090086","url":null,"abstract":"This paper presents a new method for addressing the challenging problem of generating changeable and privacy preserving templates for face based biometric verification systems. The proposed method transforms the extracted face feature vector by a random orthonormal matrix, and the sorted index numbers of the resulting feature vector in the transformed domain is stored as template for verification. A new matching algorithm is introduced for measuring the similarity between the template and the authenticating image. Two different application scenarios, user-independent and user-dependent transformations are discussed. A vector translation technique is introduced to enhance the changeability of the generated templates. Experimental results on a large face data set demonstrate that the proposed method may improve the verification performance, produce strong changeability, and protect the user's privacy.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114759888","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
A dynamic spectrum access scheme for cognitive radio networks 一种认知无线网络的动态频谱接入方案
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090174
Ke-Lin Du, M. Swamy, Q. Ni
{"title":"A dynamic spectrum access scheme for cognitive radio networks","authors":"Ke-Lin Du, M. Swamy, Q. Ni","doi":"10.1109/CCECE.2009.5090174","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090174","url":null,"abstract":"In this paper, the dynamic spectrum access problem for cognitive radio (CR) networks is formulated as maximizing the sum channel capacity while satisfying the power budgets of individual secondary user radios as well as the SINR constraints on both the secondary and primary users. By applying the Karush-Kuhn-Tucker theorem, we derive a water-filling soluton. An iterative water-filling algorithm is proposed for implementing joint channel and power allocation in a dynamically changing set of available channels. The proposed algorithm has a complexity that increases linearly with both the number of channels and the number of users.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114816256","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
Content based image retrieval using the knowledge of texture, color and binary tree structure 利用纹理、颜色和二叉树结构知识的基于内容的图像检索
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090280
Zahra Mansoori, M. Jamzad
{"title":"Content based image retrieval using the knowledge of texture, color and binary tree structure","authors":"Zahra Mansoori, M. Jamzad","doi":"10.1109/CCECE.2009.5090280","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090280","url":null,"abstract":"Content base image retrieval is an important research field with many applications. In this paper we presents a new approach for finding similar images to a given query, in a general-purpose image database using content-based image retrieval. Color and texture are used as basic features to describe images. In addition, a binary tree structure is used to describe higher level features of an image. It has been used to keep information about separate segments of the images. The performance of the proposed system has been compared with the SIMPLIcity system using COREL image database. Our experimental results showed that among 10 image categories available in COREL database, our system had a better performance (10% average) in four categories, equal performance in two and lower performance (7% average) for the remaining four categories.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127716952","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: 16
Path planning for multiple Unmanned Aerial Vehicles using genetic algorithms 基于遗传算法的多无人机路径规划
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090303
Howard Li, Y. Fu, Khalid Elgazzar, L. Paull
{"title":"Path planning for multiple Unmanned Aerial Vehicles using genetic algorithms","authors":"Howard Li, Y. Fu, Khalid Elgazzar, L. Paull","doi":"10.1109/CCECE.2009.5090303","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090303","url":null,"abstract":"In the future, autonomous Unmanned Aerial Vehicles (UAVs) need to work in teams to share information and coordinate activities. The private sector and government agencies have implemented UAVs for home-land security, reconnaissance, surveillance, data collection, urban planning, and geometrics engineering. Significant research is in progress to support the decision-making process for a Multi-Agent System (MAS) consisting of multiple UAVs. This paper investigates fundamental issues in path planning for multiple UAVs. MASs with multiple UAVs are typical distributed systems. We propose to use genetic algorithms to plan multiple paths for multiple UAVs. Simulation technologies have become important to the development of aerospace vehicles. In this research, we verify the proposed path planning approach using Matlab. Simulation results demonstrate that the proposed approach is able to plan multiple paths for UAVs successfully.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127770966","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
Implementation of coded cooperation using a kind of convolutional codes 用一种卷积码实现编码合作
2009 Canadian Conference on Electrical and Computer Engineering Pub Date : 2009-05-03 DOI: 10.1109/CCECE.2009.5090142
Linan Sun, Zhongzhao Zhang, X. Sha, Jing-ning Wang
{"title":"Implementation of coded cooperation using a kind of convolutional codes","authors":"Linan Sun, Zhongzhao Zhang, X. Sha, Jing-ning Wang","doi":"10.1109/CCECE.2009.5090142","DOIUrl":"https://doi.org/10.1109/CCECE.2009.5090142","url":null,"abstract":"User cooperative communication can bring spatial diversity, and improve cell boundary uplink quality. This paper gives a kind of convolutional codes suitable for user cooperation with lower complexity than Turbo codes and LDPC codes, and can guarantee good inter-user communication quality when cooperation succeeds, and also good uplink communication quality when cooperation defeats. Simulation results show that when we use 50% cooperation, under the condition that the two users have similar uplink quality and perfect inter-user channel, at BER=10−3, this kind of coded cooperation can provide almost 11 dB performance gains, compared with non-cooperation. Moreover, performance of user cooperation using this kind of convolutional codes is better than that using rate-compatible punctured convolutional codes.","PeriodicalId":153464,"journal":{"name":"2009 Canadian Conference on Electrical and Computer Engineering","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125646866","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信