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MOBISYS
2015
ACM
8 years 7 months ago
RollingLight: Enabling Line-of-Sight Light-to-Camera Communications
Recent literatures have demonstrated the feasibility and applicability of light-to-camera communications. They either use this new technology to realize specific applications, e....
Hui-Yu Lee, Hao-Min Lin, Yu-Lin Wei, Hsin-I. Wu, H...
MOBISYS
2015
ACM
8 years 7 months ago
Early Implementation Experience with Wearable Cognitive Assistance Applications
A cognitive assistance application combines a wearable device such as Google Glass with cloudlet processing to provide step-by-step guidance on a complex task. In this paper, we f...
Zhuo Chen, Lu Jiang, Wenlu Hu, Kiryong Ha, Brandon...
MOBISYS
2015
ACM
8 years 7 months ago
BearLoc: A Composable Distributed Framework for Indoor Localization Systems
Many indoor localization algorithms have been proposed to enable location-based applications in indoor environments. However, these systems are monolithic and not componentbased. ...
Kaifei Chen, Siyuan He, Bei Di Chen, John Kolb, Ra...
MOBISYS
2015
ACM
8 years 7 months ago
Reducing Smartphone Application Delay through Read/Write Isolation
The smartphone has become an important part of our daily lives. However, the user experience is still far from being optimal. In particular, despite the rapid hardware upgrades, c...
David T. Nguyen, Gang Zhou, Guoliang Xing, Xin Qi,...
MOBIHOC
2015
ACM
8 years 7 months ago
An Online Approach to Dynamic Channel Access and Transmission Scheduling
Making judicious channel access and transmission scheduling decisions is essential for improving performance (delay, throughput, etc.) as well as energy and spectral efficiency i...
Yang Liu 0018, Mingyan Liu
MOBIHOC
2015
ACM
8 years 7 months ago
Cross-Cell DoF Distribution: Combating Channel Hardening Effect in Multi-Cell MU-MIMO Networks
Equipped with the multi-user MIMO (MU-MIMO) technology, a WiFi access point (AP) with M antennas can achieve M degreesof-freedom (DoF) in theory. Existing MU-MIMO protocols strive...
Xiufeng Xie, Xinyu Zhang, Eugene Chai
MOBIHOC
2015
ACM
8 years 7 months ago
On the Decomposition of Cell Phone Activity Patterns and their Connection with Urban Ecology
The goal of this paper is to infer features of urban ecology (i.e., social and economic activities, and social interaction) from spatiotemporal cell phone activity data. We presen...
Blerim Cici, Minas Gjoka, Athina Markopoulou, Cart...
MOBIHOC
2015
ACM
8 years 7 months ago
Poster: Roadside Unit Caching Mechanism for Multi-Service Providers
Roadside units (RSUs) with caching abilities are becoming an important part for the future transportation system, enabling both Internet accesses and local caching services for ve...
Zhiwen Hu, Zijie Zheng, Tao Wang, Lingyang Song
MOBIHOC
2015
ACM
8 years 7 months ago
Signpost: Scalable MU-MIMO Signaling with Zero CSI Feedback
Poor scalability is a long standing problem in multi-user MIMO (MU-MIMO) networks: in order to select concurrent uplink users with strong channel orthogonality and thus high total...
Anfu Zhou, Teng Wei, Xinyu Zhang, Min Liu, Zhongch...
MOBIHOC
2015
ACM
8 years 7 months ago
Distributed Time-Sensitive Task Selection in Mobile Crowdsensing
With the rich set of embedded sensors installed in smartphones and the large number of mobile users, we witness the emergence of many innovative commercial mobile crowdsensing app...
Man Hon Cheung, Richard Southwell, Fen Hou, Jianwe...