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Proceedings of the 20th annual international conference on Mobile computing and networking最新文献

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Poster: retrofitting computer vision libraries for concurrent support on mobile devices 海报:改进计算机视觉库以支持移动设备上的并发支持
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2642891
R. Likamwa, E. Reyes, Lin Zhong
{"title":"Poster: retrofitting computer vision libraries for concurrent support on mobile devices","authors":"R. Likamwa, E. Reyes, Lin Zhong","doi":"10.1145/2639108.2642891","DOIUrl":"https://doi.org/10.1145/2639108.2642891","url":null,"abstract":"While computer vision algorithms and libraries have enabled and accelerated the adoption of vision processing into mobile and wearable applications, vision is a resource-hungry operation, and is thus not efficient enough to run on multiple applications simultaneously. However, we observe that many vision algorithms share identical sets of frames and features to perform their analyses, computed from the same library calls. Leveraging this observation, we design a split-process architecture to retrofit existing vision libraries to allow applications to transparently share the computational, memory, and energy overhead of vision processing.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125905573","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
Demo: instant phone attitude estimation and its applications 演示:即时电话姿态估计及其应用
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2641738
Pengfei Zhou, Weiming Chan, Shiqi Jiang, J. Ou, Mo Li, G. Shen
{"title":"Demo: instant phone attitude estimation and its applications","authors":"Pengfei Zhou, Weiming Chan, Shiqi Jiang, J. Ou, Mo Li, G. Shen","doi":"10.1145/2639108.2641738","DOIUrl":"https://doi.org/10.1145/2639108.2641738","url":null,"abstract":"The phone attitude is an essential input to many smartphone applications. Based on in-depth understanding of the nature of the MEMS gyroscope and other IMU sensors, we propose A3 - an accurate and automatic attitude detector for commodity smartphones. In the demo, we show the performance of our attitude tracking algorithm and its usability in attitude-based mobile applications.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123779235","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
Tagoram: real-time tracking of mobile RFID tags to high precision using COTS devices Tagoram:使用COTS设备对移动RFID标签进行高精度实时跟踪
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2639111
Lei Yang, Yekui Chen, Xiangyang Li, Chaowei Xiao, Mo Li, Yunhao Liu
{"title":"Tagoram: real-time tracking of mobile RFID tags to high precision using COTS devices","authors":"Lei Yang, Yekui Chen, Xiangyang Li, Chaowei Xiao, Mo Li, Yunhao Liu","doi":"10.1145/2639108.2639111","DOIUrl":"https://doi.org/10.1145/2639108.2639111","url":null,"abstract":"In many applications, we have to identify an object and then locate the object to within high precision (centimeter- or millimeter-level). Legacy systems that can provide such accuracy are either expensive or suffering from performance degradation resulting from various impacts, e.g., occlusion for computer vision based approaches. In this work, we present an RFID-based system, Tagoram, for object localization and tracking using COTS RFID tags and readers. Tracking mobile RFID tags in real time has been a daunting task, especially challenging for achieving high precision. Our system achieves these three goals by leveraging the phase value of the backscattered signal, provided by the COTS RFID readers, to estimate the location of the object. In Tagoram, we exploit the tag's mobility to build a virtual antenna array by using readings from a few physical antennas over a time window. To illustrate the basic idea of our system, we firstly focus on a simple scenario where the tag is moving along a fixed track known to the system. We propose Differential Augmented Hologram (DAH) which will facilitate the instant tracking of the mobile RFID tag to a high precision. We then devise a comprehensive solution to accurately recover the tag's moving trajectories and its locations, relaxing the assumption of knowing tag's track function in advance. We have implemented the Tagoram system using COTS RFID tags and readers. The system has been tested extensively in the lab environment and used for more than a year in real airline applications. For lab environment, we can track the mobile tags in real time with a millimeter accuracy to a median of 5mm and 7.29mm using linear and circular track respectively. In our year- long large scale baggage sortation systems deployed in two airports, our results from real deployments show that Tagoram can achieve a centimeter-level accuracy to a median of 6.35cm in these real deployments.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"657 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126766283","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: 689
Demo: an open-source development platform for long-range UHF-connected wifi hotspots Demo:远程超高频wifi热点的开源开发平台
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2641753
Ryan E. Guerra, Narendra Anand, E. Knightly
{"title":"Demo: an open-source development platform for long-range UHF-connected wifi hotspots","authors":"Ryan E. Guerra, Narendra Anand, E. Knightly","doi":"10.1145/2639108.2641753","DOIUrl":"https://doi.org/10.1145/2639108.2641753","url":null,"abstract":"We present a real-time software-defined radio (SDR) platform for prototyping and measuring the performance of broadband UHF radio networks operating over long distances with point-to-multipoint (PTMP) non-line-of-sight (NLOS) networks. Enabled by the Wideband UHF Radio Card (WURC), a custom high-power and frequency-flexible radio transceiver daughter-card for FPGA-based digital basebands, the 802.11 DCF-like MAC and PHY implementation is completely open source. We demonstrate a long-range PTMP NLOS network bonding several of the white space television channels available in Maui, Hawaii. Off-the-shelf client devices can use this network via 802.11a/g links implemented with the same SDR framework. The multi-carrier channel estimates and real-time MAC statistics of connected nodes in UHF and 2.4 GHz are recorded and displayed in real-time, demonstrating an unprecedented amount of flexibility in unlicensed frequency bands, enabling real-time TV-band cognitive networks and small-cell research deployments. A demonstration video is available at the following link: http://youtu.be/dTOJHRICklQ","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122902089","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
Applying the lessons learnt for navigating the future: a conversation with the pioneers 运用经验教训驾驭未来:与先驱者的对话
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2641728
P. Bahl, L. Kleinrock, R. Katz, I. Chlamtac
{"title":"Applying the lessons learnt for navigating the future: a conversation with the pioneers","authors":"P. Bahl, L. Kleinrock, R. Katz, I. Chlamtac","doi":"10.1145/2639108.2641728","DOIUrl":"https://doi.org/10.1145/2639108.2641728","url":null,"abstract":"The great French writer, historian and philosopher Voltaire once asked, \"Is there anyone so wise as to learn by the experience of others?\" In celebration of the 20th MobiCom conference, join us for a thought provoking discussion between pioneers of our field on the lessons they have learned over their illustrious career paths that accelerated the pace of technology adoption and enabled world-wide societal impact. Learn from our heroes as they share with us gems of wisdom on how to choose a great problem, what to avoid and how to be successful as you build your own remarkable careers.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129410824","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
Tackling societal grand challenges using mobile computing 使用移动计算解决社会重大挑战
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2641729
L. Subramanian, S. Biswas, G. Borriello, P. Dutta, D. Katabi, R. Katz
{"title":"Tackling societal grand challenges using mobile computing","authors":"L. Subramanian, S. Biswas, G. Borriello, P. Dutta, D. Katabi, R. Katz","doi":"10.1145/2639108.2641729","DOIUrl":"https://doi.org/10.1145/2639108.2641729","url":null,"abstract":"Mobile computing has deeply influenced the lives of almost every human in the world on a daily basis. In celebration of the 20th anniversary of Mobicom, Mobicom 2014 features an exciting panel on the topic of tackling societal grand challenges using mobile computing. The panel features five excellent researchers who have had a tremendous impact on the field of mobile computing over the years and whose research work has directly addressed pressing societal problems. The panel discussion will feature an in-depth discussion of the grand challenges that we face in society today and the role of mobile computing as a frontier platform for addressing these challenges. The panel will cover both a retrospective and futuristic perspective where the retrospective aspects highlight the diverse contributions of the panelists and the futuristic aspects will feature of a discussion of their individual views of what are the next big societal problems that Mobicom as a community should tackle.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129333807","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
A case for enhancing dual radio repeater performance through striping, aggregation, and channel sharing 通过分条、聚合和信道共享增强双无线电中继器性能的案例
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2639133
Sayandeep Sen, Michael Griepentrog, Jongwon Yoon, Suman Banerjee
{"title":"A case for enhancing dual radio repeater performance through striping, aggregation, and channel sharing","authors":"Sayandeep Sen, Michael Griepentrog, Jongwon Yoon, Suman Banerjee","doi":"10.1145/2639108.2639133","DOIUrl":"https://doi.org/10.1145/2639108.2639133","url":null,"abstract":"The work in this paper is a systematic research and engineering effort in exploring the design space of multi-interface wireless repeater systems. We present the design, implementation and evaluation of a wireless repeater system, Multifacet, which opportunistically utilizes multiple interfaces to enhance capacity. The system is designed to be transparent to application endpoints and does not need any end application modifications for adoption. Multifacet incorporates several techniques to achieve efficient bandwidth utilization across multiple interfaces -- (a) coordinated channel sharing, (b) a simplified backpressure based striping technique, (c) a single link abstraction, and (d) the ability to seamlessly migrate a client to the optimal channel. Multifacet is implemented on off-the-shelf dual band wireless repeater and demonstrates high speeds (337 Mbps) operation. On average, Multifacet performs 50% better than traditional AP/repeater setups, and in the best case, more than 2x better.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130551628","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
Cutting the cord: a robust wireless facilities network for data centers 切断电缆:数据中心的强大无线设施网络
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2639140
Yibo Zhu, Xia Zhou, Zengbin Zhang, Lin Zhou, Amin Vahdat, Ben Y. Zhao, Haitao Zheng
{"title":"Cutting the cord: a robust wireless facilities network for data centers","authors":"Yibo Zhu, Xia Zhou, Zengbin Zhang, Lin Zhou, Amin Vahdat, Ben Y. Zhao, Haitao Zheng","doi":"10.1145/2639108.2639140","DOIUrl":"https://doi.org/10.1145/2639108.2639140","url":null,"abstract":"Today's network control and management traffic are limited by their reliance on existing data networks. Fate sharing in this context is highly undesirable, since control traffic has very different availability and traffic delivery requirements. In this paper, we explore the feasibility of building a dedicated wireless facilities network for data centers. We propose Angora, a low-latency facilities network using low-cost, 60GHz beamforming radios that provides robust paths decoupled from the wired network, and flexibility to adapt to workloads and network dynamics. We describe our solutions to address challenges in link coordination, link interference and network failures. Our testbed measurements and simulation results show that Angora enables large number of low-latency control paths to run concurrently, while providing low latency end-to-end message delivery with high tolerance for radio and rack failures.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126392504","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: 79
Demo: co-primary spectrum sharing with inter-operator D2D trial 演示:共主频谱共享与运营商间D2D试验
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2641749
Markku Jokinen, Marko Mäkeläinen, T. Hänninen
{"title":"Demo: co-primary spectrum sharing with inter-operator D2D trial","authors":"Markku Jokinen, Marko Mäkeläinen, T. Hänninen","doi":"10.1145/2639108.2641749","DOIUrl":"https://doi.org/10.1145/2639108.2641749","url":null,"abstract":"A co-primary spectrum sharing trial is presented in this paper. It is presenting a flexible way to share resources between multiple operators in order to increase spectral efficiency. In this trial the differences in traffic patterns of the mobile network operators are exploited to ease up the peak traffic demands of particular operator. This shared recourse is also usable for inter-operator D2D communication, when two users of different operators want to communicate and operators need to negotiate resource allocation for this communication link. We will also introduce Wireless Open Access Research Platform as our choice for the implementation of this trial.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"12 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131452403","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
Poster: ColPhone: a smartphone is just a piece of the puzzle 海报:ColPhone:智能手机只是拼图的一部分
Proceedings of the 20th annual international conference on Mobile computing and networking Pub Date : 2014-09-07 DOI: 10.1145/2639108.2642906
Ahmed Salem, T. Nadeem
{"title":"Poster: ColPhone: a smartphone is just a piece of the puzzle","authors":"Ahmed Salem, T. Nadeem","doi":"10.1145/2639108.2642906","DOIUrl":"https://doi.org/10.1145/2639108.2642906","url":null,"abstract":"Smartphones have created a strong tie with human beings. It is likely to have plenty of smartphones in the same proximity. However, users are limited with the capabilities of a single device. In this work we propose ColPhone a framework that facilitates collaboration between smartdevices in the vicinity to share their resources providing users hardware upgrade for their devices. Further, we implemented an application (3D Story Teller) on top of ColPhone, and measured the impact of collaboration on smartphone's power consumption.","PeriodicalId":331897,"journal":{"name":"Proceedings of the 20th annual international conference on Mobile computing and networking","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132458476","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
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