439 search results - page 5 / 88 » Channel Modeling of Wireless Networks in Tunnels |
ICC
2009
IEEE
14 years 3 months ago
2009
IEEE
—This paper presents a theoretical estimation for idle channel time in a multi-hop environment. Idle channel time is the time proportion of a node during which the channel state ...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
One of the main issues in the design of sensor networks is energy efficient communication of time-critical data. Energy wastage can be caused by failed packet transmission attempts...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—This paper investigates the tradeoff between throughput and feedback delay of limited feedback beamforming in indoor wireless channels with a practical MIMO-OFDM prototype. Past...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
When multiple video sources are live-encoded and transmitted over a common wireless network, each stream needs to adapt its encoding parameters to wireless channel fluctuations, ...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Existing work on cross-layer optimization for wireless networks adopts simple physical-layer models, i.e., treating interference as noise. In this paper, we adopt a dete...