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INFOCOM
2011
IEEE
8 years 1 months ago
WiZi-Cloud: Application-transparent dual ZigBee-WiFi radios for low power internet access
Abstract—The high density of WiFi Access Points and large unlicensed RF bandwidth over which they operate makes them good candidates to alleviate cellular network’s limitations...
Tao Jin, Guevara Noubir, Bo Sheng
TON
2010
163views more  TON 2010»
8 years 4 months ago
Usage Patterns in an Urban WiFi Network
While WiFi was initially designed as a local-area access network, mesh networking technologies have led to increasingly expansive deployments of WiFi networks. In urban environment...
Mikhail Afanasyev, Tsuwei Chen, Geoffrey M. Voelke...
SENSYS
2010
ACM
8 years 8 months ago
Surviving wi-fi interference in low power ZigBee networks
Frequency overlap across wireless networks with different radio technologies can cause severe interference and reduce communication reliability. The circumstances are particularly...
Chieh-Jan Mike Liang, Bodhi Priyantha, Jie Liu, An...
SECON
2010
IEEE
8 years 8 months ago
Coexistence-Aware Scheduling for Wireless System-on-a-Chip Devices
Abstract--Today's mobile devices support many wireless technologies to achieve ubiquitous connectivity. Economic and energy constraints, however, drive the industry to impleme...
Lei Yang, Vinod Kone, Xue Yang, York Liu, Ben Y. Z...
IMC
2010
ACM
8 years 8 months ago
Performance comparison of 3G and metro-scale WiFi for vehicular network access
We perform a head-to-head comparison of the performance characteristics of a 3G network operated by a nation-wide provider and a metro-scale WiFi network operated by a commercial ...
Pralhad Deshpande, Xiaoxiao Hou, Samir R. Das
ICRA
2010
IEEE
467views Robotics» more  ICRA 2010»
8 years 8 months ago
WiFi localization and navigation for autonomous indoor mobile robots
— Building upon previous work that demonstrates the effectiveness of WiFi localization information per se, in this paper we contribute a mobile robot that autonomously navigates ...
Joydeep Biswas, Manuela M. Veloso
SIGCOMM
2010
ACM
8 years 10 months ago
Mobile data offloading: how much can WiFi deliver?
This is a quantitative study on the performance of 3G mobile data offloading through WiFi networks. We recruited about 100 iPhone users from a metropolitan area and collected stat...
Kyunghan Lee, Injong Rhee, Joohyun Lee, Yung Yi, S...
MOBICOM
2010
ACM
8 years 10 months ago
ZiFi: wireless LAN discovery via ZigBee interference signatures
WiFi networks have enjoyed an unprecedent penetration rate in recent years. However, due to the limited coverage, existing WiFi infrastructure only provides intermittent connectiv...
Ruogu Zhou, Yongping Xiong, Guoliang Xing, Limin S...
CONEXT
2009
ACM
8 years 11 months ago
Cool-Tether: energy efficient on-the-fly wifi hot-spots using mobile phones
We consider the problem of providing ubiquitous yet affordable Internet connectivity to devices at home, at work, and on the move. In this context, we take advantage of two signif...
Ashish Sharma, Vishnu Navda, Ramachandran Ramjee, ...
MOBISYS
2010
ACM
9 years 14 days ago
Augmenting mobile 3G using WiFi
We investigate if WiFi access can be used to augment 3G capacity in mobile environments. We first conduct a detailed study of 3G and WiFi access from moving vehicles, in three dif...
Aruna Balasubramanian, Ratul Mahajan, Arun Venkata...
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