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MELOS : a low-cost and low-energy generic sensing attachment for mobile phones

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dc.contributor.author Bhardwaj, Abhishek
dc.contributor.author Arjunan, Pandarasamy
dc.contributor.author Singh, Amarjeet
dc.contributor.author Naik, Vinayak
dc.contributor.author Singh, Pushpendra
dc.date.accessioned 2012-03-26T10:12:23Z
dc.date.available 2012-03-26T10:12:23Z
dc.date.issued 2012-03-26T10:12:23Z
dc.identifier.uri https://repository.iiitd.edu.in/jspui/handle/123456789/25
dc.description.abstract Ubiquitous availability of cellular network and cheap mobile phones have made them promising sensing platforms for various application domains including healthcare, environment, and astronomy among others. However, existing mobile phone platforms, including even smartphones, provide limited in-built sensing capabilities and lack standard interfaces to connect external sensors. In this paper, we propose MELOS (Mobile Extension for LOw-energy Sensing) a lowcost mobile phone extension that works virtually with all the mobile phones, including low-cost phones since it interfaces with the phone over standard audio port and Bluetooth. The proposed platform augments mobile phones with additional sensing capabilities with minimal overhead in terms of energy consumption. MELOS provides capability to switch on-board modules off as per application requirements while keeping low power interface (audio) “always-on” (to keep the connection) thus resulting in significantly small active mode power consumption. Local storage capability on board ensures that the data is transferred over high bandwidth, high-power consuming Bluetooth interface in burst mode resulting in low energy consumption per byte of data transfer. Interface with a mobile phone ensures that the capabilities of the MELOS platform can be exploited remotely using the cellular connectivity. We prototype a sample application to monitor energy consumption of several electrical appliances and also demonstrate appliance control using a relay based circuit incorporated in MELOS. en_US
dc.language.iso en_US en_US
dc.relation.ispartofseries IIITD-TR-2011-004
dc.title MELOS : a low-cost and low-energy generic sensing attachment for mobile phones en_US
dc.type Technical Report en_US

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