Sciweavers

106 search results - page 18 / 22
» Joint Source Channel Matching for a Wireless Communications ...
Sort
View
ADHOC
2006
184views more  ADHOC 2006»
14 years 9 months ago
Wireless underground sensor networks: Research challenges
This work introduces the concept of a Wireless Underground Sensor Network (WUSN). WUSNs can be used to monitor a variety of conditions, such as soil properties for agricultural ap...
Ian F. Akyildiz, Erich P. Stuntebeck
SECON
2010
IEEE
14 years 7 months ago
Secondis: An Adaptive Dissemination Protocol for Synchronizing Wireless Sensor Networks
Reliability and predictability of the timing behavior have shown to be major issues for wireless sensor network deployments. Real-time requirements presented by several application...
Federico Ferrari, Andreas Meier, Lothar Thiele
GLOBECOM
2007
IEEE
15 years 3 months ago
Resource Allocation for Amplify-and-Forward Relay Networks with Differential Modulation
— The optimum resource allocation is an important method to improve the error performance and energy efficiency of wireless relay networks. In this paper, we consider the resour...
Woong Cho, Liuqing Yang
VTC
2007
IEEE
192views Communications» more  VTC 2007»
15 years 3 months ago
Access Scheduling Based on Time Water-Filling for Next Generation Wireless LANs
Opportunistic user access scheduling enhances the capacity of wireless networks by exploiting the multi user diversity. When frame aggregation is used, opportunistic schemes are no...
Ertugrul Necdet Ciftcioglu, Özgür Gü...
GLOBECOM
2008
IEEE
15 years 3 months ago
Cross-Layer Design with Adaptive Modulation: Delay, Rate, and Energy Tradeoffs
— We present a crosslayer framework for optimizing the performance of wireless networks as measured by applications or upper layer protocols. The approach combines adaptive modul...
Daniel O'Neill, Andrea J. Goldsmith, Stephen P. Bo...