477 search results - page 54 / 96 » PLL Based Time Synchronization in Wireless Sensor Networks |
120
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MOBIHOC
2000
ACM
15 years 6 months ago
2000
ACM
— We consider challenges associated with application domains in which a large number of distributed, networked sensors must perform a sensing task repeatedly over time. We addres...
112
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INFOCOM
2008
IEEE
15 years 8 months ago
2008
IEEE
— The relay node placement problem for wireless sensor networks is concerned with placing a minimum number of relay nodes into a wireless sensor network to meet certain connectiv...
117
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SAINT
2008
IEEE
15 years 8 months ago
2008
IEEE
In this paper we present an online algorithm that attacks the problem of placing relay nodes in regions where high localized congestion is detected. Congestion refers to the netwo...
138
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MOBICOM
2009
ACM
15 years 8 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
103
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GLOBECOM
2007
IEEE
15 years 8 months ago
2007
IEEE
– This paper describes a wireless sensor network for mine safety monitoring. Based on the characteristics of underground mine gallery and the requirements for mine safety monitor...