2008 International Conference on Signal Processing, Communications and Networking最新文献_第9页

Three-Tier Grid Architecture with Policy-Based Resource Selection in Grid 网格中基于策略资源选择的三层网格体系结构

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447166

P. Varalakshmi, S. Selvi, P. Kanchana, S. Waziah

{"title":"Three-Tier Grid Architecture with Policy-Based Resource Selection in Grid","authors":"P. Varalakshmi, S. Selvi, P. Kanchana, S. Waziah","doi":"10.1109/ICSCN.2008.4447166","DOIUrl":"https://doi.org/10.1109/ICSCN.2008.4447166","url":null,"abstract":"Trust management for the selection of resources is a key issue in a grid environment. In most of the trust-based systems, intermediaries, known as brokers, are responsible for the selection of Service Providers (SPs) for consumer requests. In such models, the intermediaries gain monetary benefit for each of the transactions made through them. This may lead to favoritism & bias in the selection of suitable SPs. This challenge may be overcome by the proposed three-tier framework where the Regional Resource Administrators (RRAs), resource brokers and the SPs are arranged into three-tiers. An RRA selects a 'suitable' SP for a consumer request, based on the trust-indices and Quality of Services of the SPs nominated by various brokers. RRAs derive their compensation from registration, renewal, and audit charges paid by the broker community, not from individual transactions. RRAs serve the consumer community in a manner similar to DNS, in an 'unbiased' and 'trustworthy' manner. In this paper, our proposed architecture not only supports a choice of SP based on reputation (trust-index) but also on credentials (policy). Thereby the consumer is assigned with a trustworthy SP and the transaction is free from runtime failure as the policies have been matched with. The concept of de-registration has been introduced in two scenarios, the SPs may deregister themselves by choice and the other is the RRAs force brokers to deregister. In this model, the trust-indices of each of the entities (consumers, SPs and brokers) arc computed based on the feedback provided by other entities after each transaction. These trust-indices of brokers, consumers and SPs are updated dynamically at the RRA's and the broker's sites respectively, to ensure trustworthy services and to quicken the selection of 'suitable' SPs. Our model shows a marked improvement in job-success-rate for various percentages of malicious entities.","PeriodicalId":158011,"journal":{"name":"2008 International Conference on Signal Processing, Communications and Networking","volume":"314 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124451591","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

Dynamic Online Routing in Optical WDM Networks 光WDM网络中的动态在线路由

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447234

S. Gandhi, V. Vaidehi

引用次数: 0

Highly Resilient Network Elements 高弹性网元

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447200

Pathangi N, Janardhanan Gnana, Hari Sekar

引用次数: 0

Base Station Selection Strategy in Multihop Cellular Networks: A New Approach 多跳蜂窝网络中基站选择策略的一种新方法

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447227

N. V. Marathe, Uday B. Desai, S. Merchant, Bombay Powai

{"title":"Base Station Selection Strategy in Multihop Cellular Networks: A New Approach","authors":"N. V. Marathe, Uday B. Desai, S. Merchant, Bombay Powai","doi":"10.1109/ICSCN.2008.4447227","DOIUrl":"https://doi.org/10.1109/ICSCN.2008.4447227","url":null,"abstract":"Multihop cellular networks (MCN) have been proposed for quite a long time as of now. The major improvements these networks offer over the conventional cellular networks are increase in capacity and coverage area. However the congestion near the base station (BS) happens to be the bottleneck even in the approach of MCN. Therefore approach to reduce this congestion is a potential area of further research in this field. Our proposed architecture is one such attempt in this direction. In the proposed scheme instead of a single cell covered by a particular base station the entire coverage area of the cellular network consisting of many cells is considered as a whole and an attempt has been made to find out the direct links between the source and the destination of a connection without approaching any of the base stations. Since in MCN any mobile terminal (MT) can communicate with another MT directly; much importance should not be attached to the parent or associated base station. Rather the any suitable base station should be the last hop in this network only when an attempt to find out the direct links between the source and the destination of a connection fails. This failure may either because the path is too long or either of source and destination is outside the network. Out of the cluster of parent BS and six neighbouring BSs one base station is to be selected depending upon the distance and the channel occupancy. This approach distributes the traffic load almost uniformly over the entire region and overcomes the problem of localized congestion in an effective manner.","PeriodicalId":158011,"journal":{"name":"2008 International Conference on Signal Processing, Communications and Networking","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121060207","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

Effect of Stimulus Parameters, Age and Gender on Cubic Difference Distortion Product Otoacoustic Emission Measurement for Hearing Screening and Diagnosis 刺激参数、年龄和性别对听力筛查与诊断中立方差分失真积耳声发射测量的影响

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447191

Sukesh Kumar

{"title":"Effect of Stimulus Parameters, Age and Gender on Cubic Difference Distortion Product Otoacoustic Emission Measurement for Hearing Screening and Diagnosis","authors":"Sukesh Kumar","doi":"10.1109/ICSCN.2008.4447191","DOIUrl":"https://doi.org/10.1109/ICSCN.2008.4447191","url":null,"abstract":"Distortion product otoacoustic emissions (DPOAEs) are a series of combination tones generated in the ear when stimulated with two pure tones of frequency f1 and f2 (in audio range). The most prominent distortion product is the cubic difference tone at 2f1-f2. Maximum level of the DPOAE signals are observed when the frequency ratio f2/f1 is chosen to be 1.22. The objective of this study is to determine the DPOAE response characteristics from normal and hearing impaired subjects and to find the influence of stimulus parameters, age and gender on cubic difference DPOAE responses. The DSP platform controls the microphone/speaker system which generates the acoustical stimuli for presentation to the ear canal and collects the acoustic responses recorded in the ear canal. The signal processing problem involves estimation of the weak DPOAE response under two strong stimuli and background noise. A total of 43 DPOAE responses from neonatal to adult subjects (both male and female) are analyzed. The DPOAE data of both adults and children are compared with individual pure tone audiometric data to investigate how DPOAE responses differentiated ears with normal hearing from impaired ears. DPOAE responses are analyzed under different stimulus parameters. Both age and gender difference affects DPOAE response. DPOAE assessment provides detailed frequency specific information on cochlear function. This property of DPOAEs is used for clinical applications to find hearing impairments and hearing screening.","PeriodicalId":158011,"journal":{"name":"2008 International Conference on Signal Processing, Communications and Networking","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123604029","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 Cross-Layer TCP Protocol with Adaptive Modulation for MANETs 面向manet的自适应调制跨层TCP协议

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447232

Selvam A, Kathiravan K, Reshmi R

引用次数: 5

Neural Oscillator for Rhythmic Motion Control of Biped Robot 双足机器人节律运动控制的神经振荡器

2008 International Conference on Signal Processing, Communications and Networking Pub Date : 2008-02-07 DOI: 10.1109/ICSCN.2008.4447236

C. Calderon, M. R. Elara, Changjiu Zhou, Lingyun Hu, B. Iniya

引用次数: 2