2006 International Conference on Computer Engineering and Systems最新文献_第6页

Modified Motion Vector Searches for H.264/AVC 改进的运动矢量搜索H.264/AVC

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320470

S.T. Samant, M. El-Sharkawy, M. Rizkalla, P. Salama

引用次数: 5

PSOSA: An Optimized Particle Swarm Technique for Solving the Urban Planning Problem PSOSA:一种求解城市规划问题的优化粒子群技术

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320481

W. Al-Hassan, M. Fayek, S. Shaheen

引用次数: 50

Modulation and Coding Techniques for Infrared Wireless Local Area Networks 红外无线局域网的调制与编码技术

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320414

T. Gulliver

{"title":"Modulation and Coding Techniques for Infrared Wireless Local Area Networks","authors":"T. Gulliver","doi":"10.1109/ICCES.2006.320414","DOIUrl":"https://doi.org/10.1109/ICCES.2006.320414","url":null,"abstract":"Because of low-cost optical devices and virtually unlimited bandwidth, optical wireless communications (OWC) for indoor wireless local area networks (WLANs) has become an attractive alternative to radio frequency systems. Since optical signals cannot penetrate through walls or other opaque barriers, the security of infrared WLANs is very high and there is no interference between rooms. This makes cell planning easier, and the potential capacity of an optical-based network in a building is extremely high. However, an optical link is susceptible to path loss and multipath dispersion. In addition, the average transmit power is constrained by eye-safety regulations and power consumption concerns. Modulation, equalization and error-control coding techniques are considered to overcome these drawbacks, especially the effects of multipath dispersion. Pulse-position modulation (PPM) has been employed for IrDA and IEEE802.11 standards because it offers high power efficiency. We introduce a combination of pulse-amplitude modulation (PAM) and differential pulse-position modulation (DPPM), named differential amplitude pulse-position modulation (DAPPM), in order to gain a better compromise between power and bandwidth efficiency. Since these modulation schemes over an ISI channel can be represented by a trellis diagram, their channel capacity is determined using a method for calculating the capacity of a Markov process channel. Although maximum-likelihood sequence detection (MLSD) is the optimal soft decision decoder (SDD) for DPPM systems, its complexity is extremely high. We examine SDDs which are less complex than MLSD, but have performance close to that with MLSD.","PeriodicalId":261853,"journal":{"name":"2006 International Conference on Computer Engineering and Systems","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124688296","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

A Novel Scalable Network Simulator Architecture (SNSA): Analysis, Design, and Implementation 一种新型可扩展网络模拟器体系结构(SNSA):分析、设计与实现

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320445

O. S. Essa

引用次数: 0

Comparison Analysis of AC Voltage Controllers Based on Experimental and Simulated Application Studies 基于实验与仿真应用研究的交流电压控制器的比较分析

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320429

H. Ashour, Rania. A. Ibrahim

{"title":"Comparison Analysis of AC Voltage Controllers Based on Experimental and Simulated Application Studies","authors":"H. Ashour, Rania. A. Ibrahim","doi":"10.1109/ICCES.2006.320429","DOIUrl":"https://doi.org/10.1109/ICCES.2006.320429","url":null,"abstract":"This paper introduces a detailed comparison between possible connections of AC voltage controllers. For each configuration, the experimental setup is implemented and the corresponding simulation program is presented using Simulink under Matlab. The simulated and experimental instantaneous voltage and current waveforms in case of resistive and inductive loads are matched well, validating the simulation comparison for analysis. The comparison analysis includes the required number of devices and isolated gate signals, which determines the complexity and the size, hence the overall cost. Also harmonic spectrum, total harmonic distortion, effective rms value, dc offset and the control range are compared to specify the performance. The implementation of a fixed-capacitor thyristor controlled reactor (FC-TCR) and three phase induction motor starters (SOFT STARTER) as two application case studies of AC voltage regulators has been discussed. Experimental and simulation results have been obtained and well correlated, showing the effectiveness of such configurations in the fields of control of reactive power flow and in the field of controlling the starting performance of three phase induction motor","PeriodicalId":261853,"journal":{"name":"2006 International Conference on Computer Engineering and Systems","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128464189","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: 19

Scheduling In High-Level Synthesis Using A Hybrid Constraint Logic Programming /Integer Programming Approach 基于混合约束逻辑规划/整数规划方法的高级综合调度

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320436

M. M. Ahmed, H. L. Abdel-Malek

引用次数: 1

A Comparative Study of Lossless Audio Coding Schemes 无损音频编码方案的比较研究

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320460

H. Elsayed, M. Alghoniemy, M. El-Banna

引用次数: 1

Enhanced SVM versus Several Approaches in SAR Target Recognition 增强支持向量机与几种SAR目标识别方法的比较

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320459

S. Eldawlatly, Hossam Osman, Hussein I. Shahein

引用次数: 6

Evolutionary Synthesis of Synchronous Finite State Machines 同步有限状态机的进化综合

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320419

N. Nedjah, L. Mourelle

引用次数: 21

Network Dependability, Fault-tolerance, Reliability, Security, Survivability: A Framework for Comparative Analysis 网络可靠性、容错性、可靠性、安全性、生存性:一个比较分析的框架

2006 International Conference on Computer Engineering and Systems Pub Date : 2006-11-01 DOI: 10.1109/ICCES.2006.320462

M. Al-Kuwaiti, N. Kyriakopoulos, S. Hussein

引用次数: 9