منابع مشابه
An Energy-Efficient Localization Strategy for Smartphones
In recent years, smartphones have become prevalent. Much attention is being paid to developing and making use of mobile applications that require position information. The Global Positioning System (GPS) is a very popular localization technique used by these applications because of its high accuracy. However, GPS incurs an unacceptable energy consumption, which severely limits the use of smartp...
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Location based services are on the rise, many of which assume GPS based localization. Unfortunately, GPS incurs an unacceptable energy cost that can reduce the phone’s battery life to less than ten hours. Alternate localization technology, based on WiFi or GSM, improve battery life at the expense of localization accuracy. This paper quantifies this important tradeoff that underlies a wide range...
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Localization is one of the essential problems in wireless sensor networks (WSNs), since the locations of the sensor nodes are significant to both network operations and application level tasks. Although the Global Positioning System based localization techniques can be used to determine node locations within a few meters, the cost of Global Positioning System devices and non-availability of Glo...
متن کاملEnergy-efficient opportunistic localization with indoor wireless sensor networks
Localization challenges researchers for its contradictive goals, i.e., how to tackle the problem of minimizing energy consumption as well as maintaining localization precision, which are two essential trade-offs in wireless sensor network systems. In this paper, we propose an Energy-Efficient Opportunistic Localization (EEOL) scheme to satisfy the requirement of positional accuracy and power co...
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Location information is a key element of participatory sensing. Many mobile and sensing applications require location information to provide better recommendations, object search and trip planning. However, continuous GPS positioning consumes much energy, which may drain the battery of mobile devices quickly. Although WiFi and cell tower positioning are alternatives, they provide lower accuracy...
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ژورنال
عنوان ژورنال: ACM Transactions on Sensor Networks
سال: 2013
ISSN: 1550-4859,1550-4867
DOI: 10.1145/2422966.2422980