439 search results - page 71 / 88 » Channel Modeling of Wireless Networks in Tunnels |
JSW
2008
13 years 8 months ago
2008
In a mobile computing system, users carrying portable devices can access database services from any location without requiring a fixed position in the networking environment. Some ...
PEWASUN
2005
ACM
14 years 2 months ago
2005
ACM
An experimental study of MANET using 802.11b has shown that there exist several configurations where this standard does not guarantee fairness for the channel access. In this pap...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
Abstract— We investigate the secure connectivity of wireless sensor networks under the pairwise key distribution scheme of Chan et al.. Unlike recent work which was carried out u...
MSWIM
2005
ACM
14 years 2 months ago
2005
ACM
The increase of IEEE 802.11’s bandwidth led to a deployment of many multimedia applications over wireless networks. Nevertheless, these applications impose stringent constraints...
MSWIM
2009
ACM
14 years 1 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...