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2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)最新文献

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Mobile WiMAX performance measurements with focus on different QoS targets 关注不同QoS目标的移动WiMAX性能测量
2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN) Pub Date : 2011-11-15 DOI: 10.1109/LANMAN.2011.6076942
Christoph Ide, Bjoern Dusza, C. Wietfeld
{"title":"Mobile WiMAX performance measurements with focus on different QoS targets","authors":"Christoph Ide, Bjoern Dusza, C. Wietfeld","doi":"10.1109/LANMAN.2011.6076942","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076942","url":null,"abstract":"The performance evaluation of mobile communication systems for time varying environments poses a major challenge. To address this issue, in this paper we propose an approach which extends a common laboratory environment by a fading channel emulator. Hereby, we analyze OFDM based links under complex and realistic radio channel conditions including upper layer protocols. By means of this setup, the influence of velocity on the data rate and Packet Error Rate (PER) of a Mobile WiMAX system is investigated for various Signal to Noise Ratios (SNR) assuming vehicular and pedestrian channel models defined by the ITU. As a result, we analyzed the performance of Mobile WiMAX for Adaptive Modulation and Coding (AMC) dependent on the QoS target, the channel model, the user velocity and the SNR. Hereby, we assumed two partially contrary QoS targets, high data rate and target PER.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123008058","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
Performance comparison of forecasting models applied to LAN/MAN traffic prediction 应用于局域网/城域网流量预测的预测模型性能比较
2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN) Pub Date : 2011-11-15 DOI: 10.1109/LANMAN.2011.6076943
Rivalino Matias, Ana M. M. Carvalho, Valiana A. Teodoro, Daniel Tes, Lucio Borges de Araujo
{"title":"Performance comparison of forecasting models applied to LAN/MAN traffic prediction","authors":"Rivalino Matias, Ana M. M. Carvalho, Valiana A. Teodoro, Daniel Tes, Lucio Borges de Araujo","doi":"10.1109/LANMAN.2011.6076943","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076943","url":null,"abstract":"The literature of network traffic analysis has successfully investigated several sophisticated models to be used in computer network traffic forecasting. Although these models have shown very good results in many controlled studies, the complexity of their implementation may be an important factor for preventing their large adoption in real production environment. We advocate that simpler forecasting models can also show very good accuracy — similar to the complex ones — for real scenarios of LAN/MAN network traffic, and being less intricate to implement and deploy in practical network management applications. In this paper we investigate the goodness of fit of nine classic forecast models applied to IP traffic samples drawn from real networks. The obtained results support our hypothesis given that the simpler investigated models demonstrate prediction accuracy very close to the advanced models for the studied scenarios.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132599996","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
Forthroid on Android: A QR-code based information access system for smart phones Forthroid on Android:一种基于二维码的智能手机信息访问系统
2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN) Pub Date : 2011-11-15 DOI: 10.1109/LANMAN.2011.6076933
Anastasios Alexandridis, Paulos Charonyktakis, Antonis Makrogiannakis, Artemis Papakonstantinou, M. Papadopouli
{"title":"Forthroid on Android: A QR-code based information access system for smart phones","authors":"Anastasios Alexandridis, Paulos Charonyktakis, Antonis Makrogiannakis, Artemis Papakonstantinou, M. Papadopouli","doi":"10.1109/LANMAN.2011.6076933","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076933","url":null,"abstract":"The Forthroid is a location-based system that “augments” physical objects with multimedia information and enables users to receive information about physical objects or request services related to physical objects. It employs computer-vision techniques and Quick Response codes (QR-codes). We have implemented a prototype on Android platforms and evaluated its performance with systems metrics and subjective tests. We discuss our findings and challenges in prototyping on Android OS. The analysis indicates that the network and the server are the main sources of delay, while the CPU load may vary depending on the specific Forthroid operation. The preliminary subjective test results suggest that users tolerate these delays and the offered services can be particularly useful.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133300457","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
Femtocell-assisted location authentication femtocell辅助定位认证
2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN) Pub Date : 2011-10-01 DOI: 10.1109/LANMAN.2011.6076931
R. Netravali, Jack Brassil
{"title":"Femtocell-assisted location authentication","authors":"R. Netravali, Jack Brassil","doi":"10.1109/LANMAN.2011.6076931","DOIUrl":"https://doi.org/10.1109/LANMAN.2011.6076931","url":null,"abstract":"Location-based applications (e.g., foursquare, Groupon) rely on each client's assertion of his or her location (e.g., uploaded GPS coordinates). Yet these service providers seek methods to authenticate the location of clients to enhance targeted service delivery and support their advertisers. We propose an intelligent infrastructure-based solution that provides spontaneous, transaction-oriented, collusion-resistant mobile device location authentication to a remote party via an integrated 802.11× wireless access point and 3G femtocell access system.","PeriodicalId":340032,"journal":{"name":"2011 18th IEEE Workshop on Local & Metropolitan Area Networks (LANMAN)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125030950","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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