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MOBICOM
2010
ACM
13 years 4 months ago
Hermes: data transmission over unknown voice channels
While the cellular revolution has made voice connectivity ubiquitous in the developing world, data services are largely absent or are prohibitively expensive. In this paper, we pr...
Aditya Dhananjay, Ashlesh Sharma, Michael Paik, Ja...
MOBICOM
2010
ACM
13 years 4 months ago
Did you see Bob?: human localization using mobile phones
Finding a person in a public place, such as in a library, conference hotel, or shopping mall, can be difficult. The difficulty arises from not knowing where the person may be at t...
Ionut Constandache, Xuan Bao, Martin Azizyan, Romi...
MOBICOM
2010
ACM
13 years 4 months ago
Side channel: bits over interference
Interference is a critical issue in wireless communications. In a typical multiple-user environment, different users may severely interfere with each other. Coordination among use...
Kaishun Wu, Haoyu Tan, Yunhuai Liu, Jin Zhang, Qia...
MOBICOM
2010
ACM
13 years 4 months ago
CSMA/CN: carrier sense multiple access with collision notification
A wireless transmitter learns of a packet loss, infers collision, only after completing the entire transmission. If the transmitter could detect the collision early (such as with ...
Souvik Sen, Romit Roy Choudhury, Srihari Nelakudit...
MOBICOM
2010
ACM
13 years 4 months ago
Differential forms for target tracking and aggregate queries in distributed networks
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
Rik Sarkar, Jie Gao