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2007 IEEE International Conference on Portable Information Devices最新文献

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SleepAtHome - Portable Home Based System for Pediatric Sleep Apnoea Diagnosis 用于儿科睡眠呼吸暂停诊断的便携式家庭系统
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.62
J. M. Rodrigues, M. H. Estêvão, J. L. Malaquias, P. Santos, G. Gouveia, J. Simões
{"title":"SleepAtHome - Portable Home Based System for Pediatric Sleep Apnoea Diagnosis","authors":"J. M. Rodrigues, M. H. Estêvão, J. L. Malaquias, P. Santos, G. Gouveia, J. Simões","doi":"10.1109/PORTABLE.2007.62","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.62","url":null,"abstract":"Remote monitoring has the potential to greatly impact many aspects of medical care. Diagnostic techniques for sleep breathing disorders (SBD) in children are an example for this concept. One of the most common type of SBD in children is obstructive sleep apnoea (OSA). The gold standard method to diagnose OSA is polysomnography, but it must be performed in a special equipped medical facility. Another simpler way uses a portable monitoring system called oximetry, developed to ease sleep monitorization at home in an environment familiar to the patient. However oximetry may generate false negative results and it will be necessary to use Polysomnography for a more accurate study. Sleep studies with digital cameras using image processing, have been used to identify SBD [6]. This paper describes a portable system able to analyse audio and image recordings in acoplation with oximetry data. Its aim is to help medical teams diagnosing SBD, by improving oximetry efficiency.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130072624","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
LCD Display Strength: Why Edge Preparation Matters LCD显示强度:为什么边缘准备很重要
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.20
R. Huet, Ming Wu
{"title":"LCD Display Strength: Why Edge Preparation Matters","authors":"R. Huet, Ming Wu","doi":"10.1109/PORTABLE.2007.20","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.20","url":null,"abstract":"The structural strength of liquid crystal displays (LCD) is largely controlled by the quality of the glass edges, since most fractures originate at an edge. This paper reviews the failure mechanism of glass and the importance of edge preparation. Various edges preparation techniques are described and their effect on edge strength is discussed.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126642807","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
The Ejaki Project: A Quality of Service Regulator for Citizens Ejaki项目:公民服务质量监管机构
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.10
A. Alves, N. Figueiredo, H. Gomes, F. Camara Pereira, M. Marcelino, C. Bento
{"title":"The Ejaki Project: A Quality of Service Regulator for Citizens","authors":"A. Alves, N. Figueiredo, H. Gomes, F. Camara Pereira, M. Marcelino, C. Bento","doi":"10.1109/PORTABLE.2007.10","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.10","url":null,"abstract":"What is the meaning of \"place\"? How to provide a citizen with the right information anywhere, anytime? How to stimulate the growth of a user community, thus enriching the system's potential and the quality of the services provided? In this paper, we propose to contribute to these issues according to the artificial intelligence (AI), ubiquitous systems and community dynamics perspectives. The way we envisaged to achieve these goals was by a system which consists of a rated POI (point of interest) sharing platform accessible by several kind of mobile devices that we describe here.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"10 28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123104668","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
Portable SpO2 Monitor: A Fast Response Approach 便携式SpO2监测仪:一种快速响应方法
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.31
M. El-Khoury, J. Solà, V. Neuman, J. Krauss
{"title":"Portable SpO2 Monitor: A Fast Response Approach","authors":"M. El-Khoury, J. Solà, V. Neuman, J. Krauss","doi":"10.1109/PORTABLE.2007.31","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.31","url":null,"abstract":"Long-term monitoring of human vital signs is becoming one of the most important fields of applied research in biomedical engineering. In order to achieve weeks to months of monitoring, new strategies for sensing, conditioning, processing and communicating have to be developed. While it is relatively easy to monitor some medical parameters at rest, getting reliable measurements and diagnosis during periods of physical activity is very difficult. This is especially true in the case of non-invasive methods, where monitoring techniques are very sensitive to various artefacts appearing when the person is active. Successful results were obtained at the Swiss Center for Electronics and Microtechnology (CSEM) fusing data from different sensors. The key technology resides in sophisticated signal processing approaches for such multi-parameter systems, including advanced signal processing algorithms and low-power implementation on real-time platforms. CSEM has designed and developed a so-called opto-inertial sensing platform to continuously measure physiological signals, such as heart rate (HR), blood oxygenation levels by pulse oximetry (SpO2) and presently blood pressure (BP). This paper presents the essential issues in applying CSEM's opto-inertial sensing platform for the development of portable hemodynamic sensors.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126290548","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: 14
Benefits of Building Information System with Wireless Connected Mobile Device - PDPT Framework 采用无线连接移动设备- PDPT框架的建筑信息系统的好处
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.57
O. Krejcar
{"title":"Benefits of Building Information System with Wireless Connected Mobile Device - PDPT Framework","authors":"O. Krejcar","doi":"10.1109/PORTABLE.2007.57","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.57","url":null,"abstract":"The proliferation of mobile computing devices and local-area wireless networks has fostered a growing interest in location-aware systems and services. Additionally, the ability to let a mobile device determine its location in an indoor environment at a fine-grained level supports the creation of a new range of mobile control system applications. Main area of interest is in model of radio-frequency (RF) based system enhancement for locating and tracking users of our control system inside buildings. The framework described here joins the concepts of location and user tracking in an extended existing control system. The experimental framework prototype uses a WiFi network infrastructure to let a mobile device determine its indoor position as well as to deliver IP connectivity. User location is used to data pre-buffering and pushing information from server to user's PDA. Experiments show that location determination can be realized with a room level granularity.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116775412","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: 17
Contacter: An Enhanced Contact Application for Easy Update and Recovery of Contacts Using the Session Initiation Protocol (SIP) 联系人:增强的联系人应用程序，通过会话发起协议(SIP)轻松更新和恢复联系人
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.9
M. Matuszewski, O. Rantapuska, M. Garcia-Martin
{"title":"Contacter: An Enhanced Contact Application for Easy Update and Recovery of Contacts Using the Session Initiation Protocol (SIP)","authors":"M. Matuszewski, O. Rantapuska, M. Garcia-Martin","doi":"10.1109/PORTABLE.2007.9","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.9","url":null,"abstract":"This paper presents a peer-to-peer (P2P) application that extends functionality of Personal Information Manager (PIM) software installed in end user devices such as mobile phones. The application facilitates end-to-end connectivity by allowing devices to automatically request contact information from and update contact information stored in other devices. Utilizing automatic update of contact information the application also provides a method for recovery of lost contact information. The application utilizes the session initiation protocol (SIP) for establishing sessions between peer nodes making the system interoperable with IP multimedia subsystem (IMS) in cellular and fixed networks. The application can be used to support community services.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125614363","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
Computing Cryptographic Algorithms in Portable and Embedded Devices 便携式和嵌入式设备中的计算加密算法
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.47
A. Ramachandran, Z. Zhou, Dijiang Huang
{"title":"Computing Cryptographic Algorithms in Portable and Embedded Devices","authors":"A. Ramachandran, Z. Zhou, Dijiang Huang","doi":"10.1109/PORTABLE.2007.47","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.47","url":null,"abstract":"Elliptic curve cryptography (ECC) and Pairings get more research attentions for computational constraint devices such as Pocket PCs and wireless sensors. As a result, computational evaluations of various cryptographic algorithms are highly desired to guide researchers to design effective communication protocols. In order to achieve this goal, we conduct comparative performance evaluations for Pocket PC and wireless sensors to study the computational ability to process cryptographic functions, such as point multiplication, Pairings, AES, and hash functions. Our study shows that current Pocket PC level devices are capable to process computational intensive cryptographic functions, such as Parings. However, purely software cryptographic solutions require long time to process cryptographic algorithms and special optimization methods must be used to improve the computation performance.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134505485","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: 52
Syncables: A Framework to Support Seamless Data Migration Across Multiple Platforms Syncables:支持跨多个平台无缝数据迁移的框架
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.52
M. Tungare, P. Pyla, M. Sampat, Manuel A. Pérez-Quiñones
{"title":"Syncables: A Framework to Support Seamless Data Migration Across Multiple Platforms","authors":"M. Tungare, P. Pyla, M. Sampat, Manuel A. Pérez-Quiñones","doi":"10.1109/PORTABLE.2007.52","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.52","url":null,"abstract":"There is inadequate support for seamless task migration when users use multiple devices to perform a single task. In this paper we present the Syncables framework, a software framework designed to alleviate the problem associated with task migration. The Syncables framework can be used to migrate task data and state information across platforms. In the paper we describe the goals, design and an implementation of Syncables. We highlight features, such as a consistent naming scheme, ability for applications to define their own arbitrary Syncable types and use of transcoders and filters. Syncables will help us develop 'continuous user interfaces' that automatically bridge task disconnects.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"249 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114480115","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: 10
A Scientific Methodology for Investigation of a Lithium Ion Battery Failure 锂离子电池故障研究的科学方法
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.53
J. Mikołajczak, E. P., Troy Hayes, M. Megerle, Ming Wu
{"title":"A Scientific Methodology for Investigation of a Lithium Ion Battery Failure","authors":"J. Mikołajczak, E. P., Troy Hayes, M. Megerle, Ming Wu","doi":"10.1109/PORTABLE.2007.53","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.53","url":null,"abstract":"Lithium-ion (rechargeable) batteries of various capacities and form factors appear in increasing varieties of consumer products including laptop computers, cellular telephones, digital cameras, portable music players, mini DVD players, children's toys, and cordless power tools. On occasion, the batteries in these products fail in a manner that includes overheating, case rupture, and even flaming combustion. Exponent has developed a systematic approach to lithium-ion battery failure investigations that has proven useful in identifying the root cause(s) of these failures. This approach includes collecting information about the incident, dissecting the remains of the incident device and battery pack, conducting visual, X-ray, and scanning electron-microscope examinations of failed and exemplar cells, and electrical testing of charging and battery protection system components. In this paper, we discuss the general approach developed, and provide examples of its application.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"518 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134011425","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
Low-Power Sensor Stack Tunability for Multi-Radio Support 多无线电支持的低功耗传感器堆栈可调性
2007 IEEE International Conference on Portable Information Devices Pub Date : 2007-05-25 DOI: 10.1109/PORTABLE.2007.37
D. Guha, T. Srikanthan
{"title":"Low-Power Sensor Stack Tunability for Multi-Radio Support","authors":"D. Guha, T. Srikanthan","doi":"10.1109/PORTABLE.2007.37","DOIUrl":"https://doi.org/10.1109/PORTABLE.2007.37","url":null,"abstract":"The challenge in realizing a multi-radio stack in sensor node system architectures is optimization for radio protocol processing and low-power considerations. Since smart sensor node platforms typically would have computation blocks that can handle minimal instructions for handling data, the paradigm for extending the sensors' utilities and deployment scope necessitates multi-radio support on a single optimized stack. Our idea is to make an integrated stack tunable and optimized to the sensor node platform architecture. In this paper, we explore tunability of radio protocol stacks from the perspective of multi-radio support while keeping power consumption as a performance metric in sensor nodes. Our approach is based on a scheduler design based on traffic conditioning, along with a reconfigurable frame parser that helps in pre-processing of the radio protocol packets before they are scheduled according to a choice set of MAC and PHY units that form the vertical flow of protocol stack processing run-time. This is currently work-in-progress and we are developing our concepts and test prototype implementation.","PeriodicalId":426585,"journal":{"name":"2007 IEEE International Conference on Portable Information Devices","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132438188","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
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