Sciweavers

1661 search results - page 318 / 333
» State-Driven Energy Optimization in Wireless Sensor Networks
Sort
View
ADHOC
2011
13 years 2 months ago
Design and analysis of a propagation delay tolerant ALOHA protocol for underwater networks
Acoustic underwater wireless sensor networks (UWSN) have recently gained attention as a topic of research. Such networks are characterized by increased uncertainty in medium acces...
Joon Ahn, Affan A. Syed, Bhaskar Krishnamachari, J...
INFOCOM
2010
IEEE
13 years 6 months ago
Spatio-Temporal Fusion for Small-scale Primary Detection in Cognitive Radio Networks
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices—such as wireless microphones (WMs)— is a challenging, but very important, problem that has n...
Alexander W. Min, Xinyu Zhang, Kang G. Shin
MOBISYS
2004
ACM
14 years 7 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
SECON
2007
IEEE
14 years 2 months ago
Experimental Investigation of IEEE 802.15.4 Transmission Power Control and Interference Minimization
Abstract—Although the characteristics of RF transmissions are physically well understood at the lowest levels of communication design, accurately incorporating power and interfer...
Steven Myers, Seapahn Megerian, Suman Banerjee, Mi...
TWC
2010
13 years 2 months ago
Distributed consensus-based demodulation: algorithms and error analysis
This paper deals with distributed demodulation of space-time transmissions of a common message from a multiantenna access point (AP) to a wireless sensor network. Based on local me...
Hao Zhu, Alfonso Cano, Georgios B. Giannakis