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Networking, Systems, and Applications for Mobile Handhelds最新文献

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The Swiss Army smartphone: cloud-based delivery of USB services 瑞士陆军智能手机:基于云的USB服务交付
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043111
A. Hari, Manoj Jaitly, Yuh-Jye Chang, A. Francini
{"title":"The Swiss Army smartphone: cloud-based delivery of USB services","authors":"A. Hari, Manoj Jaitly, Yuh-Jye Chang, A. Francini","doi":"10.1145/2043106.2043111","DOIUrl":"https://doi.org/10.1145/2043106.2043111","url":null,"abstract":"A smartphone can be configured to look like any Universal Serial Bus (USB) peripheral and can be managed remotely through its wireless data connection. By virtue of these features, smartphones are ideal vehicles for the delivery of a variety of brand-new, USB-powered services that support the management and troubleshooting of mobile laptops. We provide examples of such USB services and describe a general architecture for their implementation. The services are easy to deploy, because they can be extended to remote laptops without prior installation of new software, and well-suited for delivery through virtualization in a cloud infrastructure. While our examples target mostly the enterprise, USB services, especially virtualized ones, can easily be tailored to suit a broad set of consumer applications.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126099539","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: 7
MARS: adaptive remote execution for multi-threaded mobile devices
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043107
Asaf Cidon, Tomer London, S. Katti, C. Kozyrakis, M. Rosenblum
{"title":"MARS: adaptive remote execution for multi-threaded mobile devices","authors":"Asaf Cidon, Tomer London, S. Katti, C. Kozyrakis, M. Rosenblum","doi":"10.1145/2043106.2043107","DOIUrl":"https://doi.org/10.1145/2043106.2043107","url":null,"abstract":"Mobile devices face a growing demand to support computationally intensive applications like 3D graphics and computer vision. However, these devices are inherently limited by processor power density and device battery life. Dynamic remote execution addresses this problem, by enabling mobile devices to opportunistically offload computations to a remote server. We envision remote execution as a new type of cloud-based heterogeneous computing resource, or a \"Cloud-on-Chip\", which would be managed as a system resource as if it were a local CPU, with a highly variable wireless interconnect. To realize this vision, we introduce MARS, the first adaptive, online and lightweight RPC-based remote execution scheduler supporting multi-threaded and multi-core systems. MARS uses a novel efficient offloading decision algorithm that takes into account the inherent trade-offs between communication and computation delays and power consumption. Due to its lightweight design, MARS runs on the device itself, instantly adapts its decisions to changing wireless resources, and supports any number of threads and cores. We evaluated MARS using a trace-based simulator driven by real world measurements on augmented reality, face recognition and video game applications. MARS achieves an average speedup of 57% and 33% higher energy savings over the best static client-server partitions.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126770618","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: 31
Examining storage performance on mobile devices 检查移动设备上的存储性能
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043112
Hyojun Kim, Nitin Agrawal, C. Ungureanu
{"title":"Examining storage performance on mobile devices","authors":"Hyojun Kim, Nitin Agrawal, C. Ungureanu","doi":"10.1145/2043106.2043112","DOIUrl":"https://doi.org/10.1145/2043106.2043112","url":null,"abstract":"Conventional wisdom holds that storage is not a big contributor to application performance or energy consumption on mobile devices. Flash storage (the type most commonly used today) draws little power, and its performance is thought to exceed that of the network subsystem. In this paper we present initial evidence to the contrary even for common applications such as web browsing or application install. We find that just by varying the underlying flash storage, performance of web browsing over WiFi can vary roughly by 500%, and of application install by 300%. With a faster network (setup over USB), storage is taxed even more and the performance variation rose to roughly 700% for web browsing! The performance variation can be attributed to the characteristics of the storage device, the workload pattern (random or sequential), and the operating system itself. We also find that lower storage performance leads to increased CPU consumption, thus having an indirect impact on energy.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124953611","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: 21
Avoiding nostril-cam and postage-stamp people in mobile video conferences 在移动视频会议中避免使用鼻孔摄像头和邮票
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043110
Mary G. Baker, R. Samadani, Ian N. Robinson, Mehmet Yilmaz, Kean Wong, M. Hornyak
{"title":"Avoiding nostril-cam and postage-stamp people in mobile video conferences","authors":"Mary G. Baker, R. Samadani, Ian N. Robinson, Mehmet Yilmaz, Kean Wong, M. Hornyak","doi":"10.1145/2043106.2043110","DOIUrl":"https://doi.org/10.1145/2043106.2043110","url":null,"abstract":"We would like to provide high-quality video conferencing so that people can communicate comfortably with each other anywhere, anytime. This is not a new goal, and there are now several applications such as Skype#8482; and FaceTime#8482; on mobile platforms that bring us closer to achieving anywhere, anytime video communications. Alas, these mobile conferences are often of poor quality due to the many challenges presented by mobile devices, such as constrained networks, limited processing power, small displays, and uncontrolled view angles and lighting. These challenges mean that simply porting existing desktop video conferencing solutions to portable devices does not provide the best user experience. Fortunately, these mobile devices also have many advantages that we can exploit to enable better-quality portable video conferences. In this paper we describe how we exploit the devices' mobility and embedded sensors to detect and fix two problems that are often ignored but that adversely affect user experience: bad view angles and too-tiny views of people and content, especially in multi-party conferences. Please note that what we describe is very much an experimental prototype and not a finished project.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124263520","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
Jupiter: transparent augmentation of smartphone capabilities through cloud computing 木星:通过云计算透明地增强智能手机的功能
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043108
Yao Guo, Lin Zhang, Junjun Kong, Jian Sun, Tao Feng, Xiangqun Chen
{"title":"Jupiter: transparent augmentation of smartphone capabilities through cloud computing","authors":"Yao Guo, Lin Zhang, Junjun Kong, Jian Sun, Tao Feng, Xiangqun Chen","doi":"10.1145/2043106.2043108","DOIUrl":"https://doi.org/10.1145/2043106.2043108","url":null,"abstract":"Smartphones have become more and more popular, however the storage and computation limitation remains a big obstacle. With cloud computing and data centers capable of providing almost unlimited storage space and computing capability, we believe that it is possible to augment the smartphone capabilities with the support of cloud computing. This paper proposes Jupiter, a framework to augment the smartphone capabilities with the support of cloud computing. Jupiter can provide transparent user experiences to mobile users in application management and data storage. With the help of virtual machine technology, Jupiter is also able to launch desktop applications on smartphones when necessary. We have implemented a prototype of Jupiter on Android phones and demonstrated its feasibility through a couple of case studies.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115617705","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: 20
Designing real-time multimedia applications on mobile devices 在移动设备上设计实时多媒体应用程序
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043109
Jiang Gao
{"title":"Designing real-time multimedia applications on mobile devices","authors":"Jiang Gao","doi":"10.1145/2043106.2043109","DOIUrl":"https://doi.org/10.1145/2043106.2043109","url":null,"abstract":"This paper explores the challenge of real-time image search and registration on mobile devices. We propose using the histogram of oriented gradients (HOG) features for characterizing image regions, and propose an algorithm based on the entropy of HOG to select \"good\" regions for image matching and registration. We also propose a novel implementation of a dual-mode mobile system based on a hybrid tracking and visual matching algorithm. We apply the algorithms to several mobile applications, including image matching for mobile visual search and panorama on mobile phones. The effectiveness of our approach is demonstrated on a large dataset.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123386945","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
Predicting handoffs in 3G networks 预测3G网络的切换
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043114
Umar Javed, Dongsu Han, R. Cáceres, Jeffrey Pang, S. Seshan, A. Varshavsky
{"title":"Predicting handoffs in 3G networks","authors":"Umar Javed, Dongsu Han, R. Cáceres, Jeffrey Pang, S. Seshan, A. Varshavsky","doi":"10.1145/2043106.2043114","DOIUrl":"https://doi.org/10.1145/2043106.2043114","url":null,"abstract":"Consumers all over the world are increasingly using their smartphones on the go and expect consistent, high quality connectivity at all times. A key network primitive that enables continuous connectivity in cellular networks is handoff. Although handoffs are necessary for mobile devices to maintain connectivity, they can also cause short-term disruptions in application performance. Thus, applications could benefit from the ability to predict impending handoffs with reasonable accuracy, and modify their behavior to counter the performance degradation that accompanies handoffs. In this paper, we study whether attributes relating to the cellular network conditions measured at handsets can accurately predict handoffs. In particular, we develop a machine learning framework to predict handoffs in the near future. An evaluation on handoff traces from a large US cellular carrier shows that our approach can achieve 80% accuracy -- 27% better than a naive predictor.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124525724","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: 30
The modeling and comparison of wireless network denial of service attacks 无线网络拒绝服务攻击的建模与比较
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043113
Martin Eian, S. F. Mjølsnes
{"title":"The modeling and comparison of wireless network denial of service attacks","authors":"Martin Eian, S. F. Mjølsnes","doi":"10.1145/2043106.2043113","DOIUrl":"https://doi.org/10.1145/2043106.2043113","url":null,"abstract":"Mobile handhelds with wireless access are used in numerous safety critical applications. The wireless network protocols in use are vulnerable to a wide array of denial of service attacks. We propose a formal method for modeling semantic denial of service attacks against wireless network protocols. We then use our proposed model to find a new deadlock vulnerability in IEEE 802.11. The history of published denial of service attacks against wireless protocols indicates that formal methods can contribute to the construction of robust protocols.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125373631","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: 23
Context-aware apps with the Zonezz platform 带有Zonezz平台的上下文感知应用程序
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2011-10-23 DOI: 10.1145/2043106.2043116
J. Roth
{"title":"Context-aware apps with the Zonezz platform","authors":"J. Roth","doi":"10.1145/2043106.2043116","DOIUrl":"https://doi.org/10.1145/2043106.2043116","url":null,"abstract":"Current smart phones can easily detect the geographic location, but very often applications are more interested in the meaning of the location for the user. In this paper we present the Zonezz platform that identifies meaningful locations such as 'home' or 'work'. It provides an easy to understand context model and fully runs on a mobile device without the need for a central service. Other apps can use this platform to create context-awareness. We show the benefits of this platform with the help of a context-aware calendar tool.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123304303","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: 7
Trust no one: a decentralized matching service for privacy in location based services 不相信任何人:在基于位置的服务中为隐私提供的去中心化匹配服务
Networking, Systems, and Applications for Mobile Handhelds Pub Date : 2010-08-30 DOI: 10.1145/1851322.1851336
S. Jaiswal, Animesh Nandi
{"title":"Trust no one: a decentralized matching service for privacy in location based services","authors":"S. Jaiswal, Animesh Nandi","doi":"10.1145/1851322.1851336","DOIUrl":"https://doi.org/10.1145/1851322.1851336","url":null,"abstract":"We propose a new approach to ensure privacy in location based services, without requiring any support from a \"trusted\" entity. We observe that users of location based services are sensitive about their i) location coordinates and ii) their interests and social relationships, as captured in their queries. We also observe there are entities that naturally have access to at least one of these pieces of information. The user and/or their mobile operator has access to their current location, and the LBS provider needs to know of the interests (in businesses, services and acquaintances) of a user. In this paper we consider whether it is possible for these entities to exchange information such that a user's queries to the LBS can be answered without i) any one entity coming to know of all sensitive information ii) a loss in the quality of service of the query, or an inordinate load on the user. Specifically, we outline the design of a decentralized matching service that takes encoded information from both the participating entities, and creates triggers when a user, and their objects of interest are in the vicinity of each other. Given that each component of the matching service has access to only a limited amount of encoded information, we argue that it will be impossible to recreate any sensitive user-specific information.","PeriodicalId":219018,"journal":{"name":"Networking, Systems, and Applications for Mobile Handhelds","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129767498","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: 29
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