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2008 International Symposium on High Capacity Optical Networks and Enabling Technologies最新文献

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Similarity Level Method Based Static Software Birthmarks 基于相似水平方法的静态软件胎记
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810236
Y. Mahmood, Z. Pervez, S. Sarwar, H. F. Ahmed
{"title":"Similarity Level Method Based Static Software Birthmarks","authors":"Y. Mahmood, Z. Pervez, S. Sarwar, H. F. Ahmed","doi":"10.1109/HONET.2008.4810236","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810236","url":null,"abstract":"It is almost imperative to live without software fabricated after undergoing time and resource intensive processes of software engineering. After software is developed it is subjected to customers with granted rights for use but constrained with modifying, sharing or selling the software. Violation of the said constraints leads to critical issue of software piracy. Software birthmarking is one of the most effective techniques to minimize the software piracy. It finds intrinsic properties in the software program to detect copy of software. In this paper we have proposed a ' method based similarity level' software birthmark technique. It finds the intrinsic properties in the method of software program by locating the attributes of the code elements in the method and relation among code elements. The proposed approach not only identifies similarity of the program but detects program modification as well. Moreover, our technique can spot out method and class theft by fulfilling the credibility and resilience properties of birthmarks.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116871792","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
Emerging Technologies for Healthcare 医疗保健领域的新兴技术
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810201
M. Ilyas
{"title":"Emerging Technologies for Healthcare","authors":"M. Ilyas","doi":"10.1109/HONET.2008.4810201","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810201","url":null,"abstract":"The paper discusses integrating of current and emerging technologies with healthcare. These technologies can be used for prevention of diseases, enhancing healthcare access, efficient and accurate diagnostics, effective healthcare delivery, rehabilitation, healthcare information management, improving quality of life at all ages and many other features. In this paper, we discuss several aspects of healthcare and technologies including: ldr development of products/devices for improving the quality of life of individuals with disabilities and help in their rehabilitation ldr development of products/processes that will allow remote monitoring of patients, remote diagnostics, provide a mechanism for healthcare professionals to collaborate in a distributed environment, and deliver treatment ldr using RFID and wireless sensor networks in tracking patients ldr developing methods, mechanisms, and processes, for preventing diseases and injuries for all age groups.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125464813","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
Bandwidth Enhancement Technique using Series-Shunt Bootstrapping for Front-End Optical Wireless Receiver 前端无线光接收机串联分流引导增强带宽技术
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810208
A. Ramli, S. M. Idrus, A. Supa’at, S. S. Rais
{"title":"Bandwidth Enhancement Technique using Series-Shunt Bootstrapping for Front-End Optical Wireless Receiver","authors":"A. Ramli, S. M. Idrus, A. Supa’at, S. S. Rais","doi":"10.1109/HONET.2008.4810208","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810208","url":null,"abstract":"The performance of receiver system for the optical wireless communication is greatly determined by the performance of the front-end. However, large detection area required in optical wireless application produces high detector capacitance hence limits the bandwidth performance of the system. Thus, techniques to reduce effective detector capacitance are required to increase the receiver sensitivity, bandwidth and noise performance. A lot of papers have been previously reported successful techniques to enhance the bandwidth by employing bootstrapping technique. This paper introduces a series-shunt bootstrapping technique which exploits a series-shunt positive capacitive feedback. The modeling of the circuit is done by utilizing MATLAB. This technique boosts the bandwidth up to 1.04 GHz.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116691038","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
Millimeter-Wave Carrier Generation System for Radio over Fiber 光纤无线电毫米波载波产生系统
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810219
N. Mohamed, S. M. Idrus, A. .. Mohammad, H. Harun
{"title":"Millimeter-Wave Carrier Generation System for Radio over Fiber","authors":"N. Mohamed, S. M. Idrus, A. .. Mohammad, H. Harun","doi":"10.1109/HONET.2008.4810219","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810219","url":null,"abstract":"Due to the huge demand for the mm-wave band in future communication system applications, many researchers are investigating and continue working on the generation of millimeter-wave (mm-wave) signal for radio over fiber (RoF). RoF is an expanding technology that applicable in high channel capacity, wider service coverage and broadband mm-wave access system. However, the limited availability of the RF bands require utilization of the mm-wave frequency bands to meet the obligation for higher signal bandwidth and overcome the frequency congestion in the future RoF-based optical-wireless access networks. Broadband wireless communication has introduced great interest in mm-wave bands due to its wide transmission bandwidth and also the opportunity of frequency reuse. This paper mainly focuses on the mm-wave carrier generation techniques for radio over fiber including: optical heterodyning, external modulation, optical transceiver, and up- and down-conversion.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117024466","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
Heuristic Surveillance of Targets in Sensor Networks 传感器网络中目标的启发式监视
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810207
S. Kamel, A. Rahbar
{"title":"Heuristic Surveillance of Targets in Sensor Networks","authors":"S. Kamel, A. Rahbar","doi":"10.1109/HONET.2008.4810207","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810207","url":null,"abstract":"A surveillance system is a sort of wireless sensor network to monitor targets, where a scheduling is required for monitoring period of each sensor in order to control the power consumption of sensors. In this network, a base station makes scheduling matrices regarding to network specifications, then sends these matrices to sensors in the network. Then, the sensors act based on these scheduling matrices. Since making the scheduling matrices needs a higher complexity, a heuristic method is presented in this paper in order to reduce the complexity and to provide the scheduling matrices without affecting the network performance remarkably. By this heuristic method, scheduling matrices that have little effect on coverage of time in system are eliminated.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126335291","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
Usage Pattern Based Prefetching For Mechanical Mass Storage 基于使用模式的机械大容量存储预取
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810223
S. Sarwar, Y. Mahmood, H. F. Ahmed, Raihan-Ur-Rasool, H. Takahashi
{"title":"Usage Pattern Based Prefetching For Mechanical Mass Storage","authors":"S. Sarwar, Y. Mahmood, H. F. Ahmed, Raihan-Ur-Rasool, H. Takahashi","doi":"10.1109/HONET.2008.4810223","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810223","url":null,"abstract":"Cache being the fastest medium in memory hierarchy has a vital role to play in concealing delays and access latencies during 10 operations and hence in improving system response time. One of the most substantial approaches to fully exploit the significance of cache memory is data prefetching, where we envisage future requests of users and take data to memory in advance. Current prefetching techniques, performing limited prefetching, are based upon locality of reference principle (situation specific); Markov series (slow for practical implementation) or dual data caching (quite burdensome for programmer) with biased cache replacement policies. So we present a novel 'usage pattern based' approach for predictive prefetching; employing proven neural networks to broaden the scope of prefetching at user level. The efficacy of approach is revealed by its accuracy and minimal resource usage as affirmed by preliminary results.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132532874","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
Optimal Confinement Loss Reduction in Photonic Crystal Fiber with Flattened Dispersion 平坦色散光子晶体光纤的最优约束损耗降低
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810247
M. Pourmahayabadi, S. Nejad, Emails Pmahyabadi, Sahrammnajuslacli, Vi Xs, Vi Xhj, Vi
{"title":"Optimal Confinement Loss Reduction in Photonic Crystal Fiber with Flattened Dispersion","authors":"M. Pourmahayabadi, S. Nejad, Emails Pmahyabadi, Sahrammnajuslacli, Vi Xs, Vi Xhj, Vi","doi":"10.1109/HONET.2008.4810247","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810247","url":null,"abstract":"In this paper, a modified designing method about PCFs with large modal area, low confinement loss and flattened dispersion in a wide wavelength range is proposed. All air holes are arranged in the section according to triangular regulation and with identical spacing. The thirteen air holes which arranged in the snowflake shape in the middle of the section are replaced with high index inclusions that are smaller than the other air holes of the outer cladding which form the core region. So, a hybrid photonic crystal fiber in which a guided mode is confined simultaneously by modified total internal reflection from an array of air holes and anti-resonant reflection from the high-index inclusions is presented. We consider simulating PCF using the FDTD technique by imposing PML for boundary condition treatment in the longitudinal dimension, thereby reducing the problem to two dimensions. Desired dispersion character and low confinement loss can be realized in our designed PCFs with special section structure by optimizing the match of the spacing and air hole size in core and cladding regions and controlling the core-cladding refractive index difference.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133623159","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
Analysis of Super-Gaussian Ultra-Short Pulse Propagation in Nonlinear Optical Fibers 超高斯超短脉冲在非线性光纤中的传输分析
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810224
E. Rahimi, S. Nejad
{"title":"Analysis of Super-Gaussian Ultra-Short Pulse Propagation in Nonlinear Optical Fibers","authors":"E. Rahimi, S. Nejad","doi":"10.1109/HONET.2008.4810224","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810224","url":null,"abstract":"In today's overwhelming world of data, ultra-wideband communication systems are the inevitable parts of the communication society that has faced scientists with challenging and new problems. Appearance of nonlinear effects in optical fiber communication systems due to wideband data transmissions with the aid of ultra-short pulses has recently attracted a lot of publicity. In this paper, a thorough study of nonlinear effects both in time and frequency domain has been carried out to analyze the propagation of super-Gaussian ultra-short pulses in nonlinear optical fibers. The results show different behavior of nonlinear optical fibers at specific lengths, frequency and levels of nonlinearity. Moreover, with the aid of negative third order dispersion parameter, the frequency shift in the output profile has been successfully compensated.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116448114","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
Links Lifetime Estimation Based on Nodes Affinity in Wireless Ad-hoc Networks 无线Ad-hoc网络中基于节点亲和力的链路寿命估计
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810206
E. Natsheh, T. Wan
{"title":"Links Lifetime Estimation Based on Nodes Affinity in Wireless Ad-hoc Networks","authors":"E. Natsheh, T. Wan","doi":"10.1109/HONET.2008.4810206","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810206","url":null,"abstract":"In most of the ad-hoc routing protocols, a static link lifetime (LL) is used for a newly discovered neighbors. Though this works well for networks with fixed infrastructures, it is inadequate for ad-hoc networks due to nodes mobility and frequent breaks of links. To overcome this problem, routing protocols with estimated LL using nodes affinity were introduced. However, these protocols also used the static estimated LL during the connection time. In contrast to that, in this paper two methods are presented to estimate LL based on nodes affinity and then continually update those values depending on changes of the affinity. In the first method, linear function is used to map the relationship between the signal strength fluctuation and LL. In the second method, fuzzy logic system is used to map this relationship in a nonlinear fashion. Significance of the proposed methods is validated using simulation. Results indicate that fuzzy method provides the most efficient and robust LL values for routing protocols.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128573926","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 Prioritized Routing Algorithm for Multi-Domain Optical Networks Supporting Advance Reservation 支持提前预约的多域光网络优先路由算法
2008 International Symposium on High Capacity Optical Networks and Enabling Technologies Pub Date : 2008-11-01 DOI: 10.1109/HONET.2008.4810237
C. Xie, N. Ghani
{"title":"A Prioritized Routing Algorithm for Multi-Domain Optical Networks Supporting Advance Reservation","authors":"C. Xie, N. Ghani","doi":"10.1109/HONET.2008.4810237","DOIUrl":"https://doi.org/10.1109/HONET.2008.4810237","url":null,"abstract":"Numerous \"on-demand\" immediate request (IR) schemes have been developed for provisioning connection requests in optical networks. Lately more complicated advance reservation (AR) schemes are also being investigated by the research community. However, implementing AR across multiple network domains is a very challenging problem owing to key challenges in the area of limited inter-domain visibility, wavelength conversion limitations, signaling concerns, etc. To address this problem area, in this paper we propose a prioritized routing algorithm to handle both IR and AR requests. With the priority added, we argued that preemption of IR requests in the advent of AR ones is not always justified. Future direction and simulation setting are also discussed.","PeriodicalId":433243,"journal":{"name":"2008 International Symposium on High Capacity Optical Networks and Enabling Technologies","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127092187","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
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