67 search results - page 11 / 14 » On the Energy Efficiency of Hybrid-ARQ Protocols in Fading C... |
CORR
2010
Springer
13 years 4 months ago
2010
Springer
Abstract--We consider cooperative spectrum sensing for cognitive radios. We develop an energy efficient detector with low detection delay using sequential hypothesis testing. Seque...
TWC
2008
13 years 7 months ago
2008
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
SENSYS
2010
ACM
13 years 5 months ago
2010
ACM
We present A-MAC, a receiver-initiated link layer for low-power wireless networks that supports several services under a unified architecture, and does so more efficiently and sca...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
WCNC
2008
IEEE
14 years 1 months ago
2008
IEEE
—High node mobility and transient connectivity in Vehicular Ad Hoc NETworks have introduced numerous challenges in the design of efficient communication protocols for these netwo...