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2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)最新文献

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FFS-FR: Flash File System for Fast Recovery FFS-FR:快速恢复Flash文件系统
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261738
S. Jung, J. Baek, Dae-Wha Seo
{"title":"FFS-FR: Flash File System for Fast Recovery","authors":"S. Jung, J. Baek, Dae-Wha Seo","doi":"10.1109/ICUFN.2012.6261738","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261738","url":null,"abstract":"A Flash File System for Fast Recovery (FFS-FR) is proposed in this paper. It uses the links between inodes in a flash file system based on the CFFS (Core Flash File System). The FFS-FR is able to restore the consistency of the metadata quickly by reading only the inodes instead of reading the whole flash area. The experimental results show that the recovery time of the proposed technique is 450, 150, 450 times faster than that of the YAFFS, JFFS2 and CFFS respectively.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121830235","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
Quality of service concept for smart home services 优质服务理念为智能家居服务
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261708
Markus Hager, Peggy Begerow, P. Krasovsky, Karsten Renhak, J. Seitz
{"title":"Quality of service concept for smart home services","authors":"Markus Hager, Peggy Begerow, P. Krasovsky, Karsten Renhak, J. Seitz","doi":"10.1109/ICUFN.2012.6261708","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261708","url":null,"abstract":"Our paper proposes a new quality of service concept for smart home services. We assume that every flat in a house has its own smart computer to perform local services and acts as an interface for the different sensors and actors inside the flat. These smart computers are interconnected using a plain switched Ethernet infrastructure. A central server offers shared services for each user and a gateway realizes Internet access. Based on the defined priority of each service, we present a solution to prevent congestion situations inside the network based on a distributed traffic shaping scheme. Furthermore, the proposed system is not only applicable to the smart home services scenario, it could also be applied to handle similar problems within classic computer networks and many other fields.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116803438","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
Web-based refractive index sensing by using enhanced sensitivity range of LPG for biological solution 基于网络的利用LPG对生物溶液增强灵敏度范围的折射率传感
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261695
Y. Katsuyama, T. Kanamori, K. Kawanishi, O. Koyama
{"title":"Web-based refractive index sensing by using enhanced sensitivity range of LPG for biological solution","authors":"Y. Katsuyama, T. Kanamori, K. Kawanishi, O. Koyama","doi":"10.1109/ICUFN.2012.6261695","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261695","url":null,"abstract":"A new approach to refractive index sensing for biological solutions has been investigated for a web-based sensing system. The system was implemented such that the refractive index was sensed by an LPG-FBG hybrid sensor. The point was how the enhanced sensitivity range of LPG could be used. For the purpose, equations were newly derived, based on a nonlinear relationship between values of the refractive index and the resonant wavelength. The values calculated by the equations were in good agreement with experimental values sensed by the system, enabling the system to use the enhanced sensitivity range.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117154588","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
Group handover management in mobile femtocellular network deployment 移动飞蜂窝网络部署中的群切换管理
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261685
M. Z. Chowdhury, Sunghun Chae, Y. Jang
{"title":"Group handover management in mobile femtocellular network deployment","authors":"M. Z. Chowdhury, Sunghun Chae, Y. Jang","doi":"10.1109/ICUFN.2012.6261685","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261685","url":null,"abstract":"The mobile femtocell is the new paradigm for the femtocellular network deployment. It can enhance the service quality for the users inside the vehicles. The deployment of mobile femtocells generates lot of handover calls. Also, number of group handover scenarios are found in mobile femtocellular network deployment. In this paper, we focus on the resource management for the group handover in mobile femtocellular network deployment. We discuss a number of group handover scenarios. We propose a resource management scheme that contains bandwidth adaptation policy and dynamic bandwidth reservation policy. The simulation results show that the proposed bandwidth management scheme significantly reduces the handover call dropping probability without reducing the bandwidth utilization.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"10 14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122860815","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: 28
A burst overlapping and scheduling scheme (BOSS) in IEEE 802.16 OFDMA systems ieee802.16 OFDMA系统中的突发重叠和调度方案(BOSS)
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261732
Chi-Tao Chiang, K. Shih
{"title":"A burst overlapping and scheduling scheme (BOSS) in IEEE 802.16 OFDMA systems","authors":"Chi-Tao Chiang, K. Shih","doi":"10.1109/ICUFN.2012.6261732","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261732","url":null,"abstract":"Burst is an atomic bandwidth allocation unit in IEEE 802.16 OFDMA systems. Due to the satisfaction of the rectangular mapping constraint in the downlink allocations, bandwidth called OFDMA slots may be over-allocated, resulting in the wastage of the downlink bandwidth. In order to alleviate the wastage of downlink bandwidth, this paper proposes a Burst Overlapping and Scheduling Scheme, termed BOSS, for IEEE 802.16 OFDMA systems. The BOSS is to alleviate the number of over allocated OFDMA slots caused by the allocation constraint of downlink bandwidth by means of allowing two neighboring bursts to share these over allocated slots. Simulation results show that the proposed mechanism can increase not only the network throughput, but the subchannel utilization.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128345827","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
A study on interference analysis between DVB-T2 broadcasting service and TV White Space Device DVB-T2广播业务与电视空白空间设备的干扰分析研究
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261701
Joo-Pyoung Choi, H. Chang, Han Nah Choi, W. Lee
{"title":"A study on interference analysis between DVB-T2 broadcasting service and TV White Space Device","authors":"Joo-Pyoung Choi, H. Chang, Han Nah Choi, W. Lee","doi":"10.1109/ICUFN.2012.6261701","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261701","url":null,"abstract":"This paper is a study on radio interference undertaken to determine the possibility of coexistence for the European-enabled broadcast service DVB-T2 (Digital Video Broadcasting -Second Generation Terrestrial), a primary first user in TV white space, and IMT-Advanced LTE-based WSD (White Space Device) installed with spectrum cognitive function. To this end, a variety of transmission parameters were applied to both services, such as emission/blocking mask, antenna height and gains, transmission power and bandwidth, and channel models for communication link. In addition, analysis was performed on allowable transmission power and quantities of WSD capable of operating on DVB-T2 adjacent channels.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130354506","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
Delay-oriented data traffic migration in maritime mobile communication environments 海上移动通信环境中面向延迟的数据流量迁移
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261741
Liping Mu, A. Prinz
{"title":"Delay-oriented data traffic migration in maritime mobile communication environments","authors":"Liping Mu, A. Prinz","doi":"10.1109/ICUFN.2012.6261741","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261741","url":null,"abstract":"Maritime ship-to-shore communication has to satisfy different user requirements while suffering dynamic communication circumstances. Satellite networks are the primary means to communicate between ship and shore. The idea of compensating the deficiency of satellite communication with other terrestrial networks is not new. However, focus was often on how to keep users always best connected, without considering respective application needs or the potential disconnections. In this paper, we propose a delay-oriented satellite data traffic migration solution, exploiting the route repetitiveness and predictability of ships, leveraging the delay tolerance of many communication applications, with the support of delay tolerant networking architecture. We use model-checking techniques to support our claim that a delay-oriented data traffic migration approach can provide users with not only more reliable delivery but also preferred services based on some reasonable assumptions. Issues and suggestions related to implementing the DTN-based traffic migration are discussed additionally.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121682276","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
Standardisation policy regarding medical device interoperability - A proposal in France 关于医疗设备互操作性的标准化政策——法国的一项提案
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261751
K. Bourquard, D. Bergognon, Jean-Bernard Schroeder, N. Noury
{"title":"Standardisation policy regarding medical device interoperability - A proposal in France","authors":"K. Bourquard, D. Bergognon, Jean-Bernard Schroeder, N. Noury","doi":"10.1109/ICUFN.2012.6261751","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261751","url":null,"abstract":"The widespread of telemedicine introduce new challenges. Among these can be mentioned: Adapting health care supply to demographic trends as far as both patients and healthcare professionals are concerned; The people wish to remain independent and in good health for as long as possible; The increasing specialisation and complexity of medicine; The introduction of advanced technologies in home care medicine. From the standardisation viewpoint, a group of French experts have anticipated these concerns by getting under way and developing projects to define medical device communication in the home and by taking part in standardisation projects on the interoperability of data and systems for health.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"402 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124361296","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
Association rules application to identify customer purchase intention in a real-time marketing communication tool 关联规则应用于识别顾客购买意愿的实时营销传播工具
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261670
Jong Woo Kim, Song Han, Dong Sung Kim
{"title":"Association rules application to identify customer purchase intention in a real-time marketing communication tool","authors":"Jong Woo Kim, Song Han, Dong Sung Kim","doi":"10.1109/ICUFN.2012.6261670","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261670","url":null,"abstract":"To make real-time marketing tools for online storefronts, it is necessary to understand intentions of customers who are connecting on the storefronts. One of important customer intention may be whether a customer intends to purchase or not in the current session. In this paper, we propose customer purchase probability prediction method based on clickstream data using association rule generation techniques. Clickstream data is converted to session data, and the session data is used to generated association and disassociation rules using data mining tools. We propose a method to predict customer purchase probabilities based on the confidence values of the generated association rules. The usefulness of the proposed approach is demonstrated using a real internet bookstore clickstream data set.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124137588","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
Multi-cell shared multi-user MIMO relay with user pairing control 多小区共享多用户MIMO中继与用户配对控制
2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN) Pub Date : 2012-07-04 DOI: 10.1109/ICUFN.2012.6261729
T. Fujii, Yuto Houmura
{"title":"Multi-cell shared multi-user MIMO relay with user pairing control","authors":"T. Fujii, Yuto Houmura","doi":"10.1109/ICUFN.2012.6261729","DOIUrl":"https://doi.org/10.1109/ICUFN.2012.6261729","url":null,"abstract":"This paper proposes a user pairing control method for multi-cell shared multi-user MIMO relay (MC-MU-MIMO relay) to improve the throughput of cellular networks. MC-MU-MIMO relay system sets a multi-antenna relay station (RS) at the cell boundary and the RS is shared with adjacent cells. The proposed relay system can improve the throughput of cell boundary due to increasing signal to noise ratio and reducing adjacent cell interference. Since MC-MU-MIMO relay system transmits the data simultaneously toward multiple users located in adjacent cells, a user pairing control for simultaneous data transmission is important to improve the efficiency of channel. This paper proposes a user pairing control method with distributed ordering users for communication by considering the effectiveness of the relay. From computer simulations, we can confirm that the proposed method can improve the throughput performance without increasing the number of RSs.","PeriodicalId":334802,"journal":{"name":"2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121721513","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
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