719 search results - page 133 / 144 » Coverage problems in wireless sensor networks: designs and a... |
TWC
2008
13 years 8 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...
DATE
2010
IEEE
14 years 1 months ago
2010
IEEE
—In this paper we study the effectiveness of two power gating methods – transistor switches and MEMS switches – in reducing the power consumption of a design with a certain t...
WIOPT
2006
IEEE
14 years 2 months ago
2006
IEEE
— In this paper, a scheduling problem in wireless networks is considered when there simultaneously exist CBR (constant bit rate) users requiring exact minimum average throughput ...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
WIOPT
2011
IEEE
13 years 3 days ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...