23 search results - page 3 / 5 » Modeling and analysis of interference in Listen-Before-Talk ... |
JNW
2008
13 years 7 months ago
2008
In this paper we analyse the performance of a relay based UMTS system in an urban environment using multiple hops on multiple frequency bands. Measurement based path loss, fading a...
MSWIM
2009
ACM
14 years 3 days 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 ...
GLOBECOM
2008
IEEE
14 years 1 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...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— We propose and analyze a novel decentralized mechanism that motivates otherwise non-cooperative stations to participate as relays in cooperative ARQ protocol. Cooperation incen...
SMA
1993
ACM
13 years 11 months ago
1993
ACM
Form features present a rather attractive building block in computer-aided design environments for a variety of applications, providing the embodiment of engineering semantics in ...