38 search results - page 4 / 8 » Toward Optimal Utilization of Shared Random Access Channels |
78
Voted
TWC
2010
14 years 4 months ago
2010
Abstract--In this paper we investigate the opportunistic spectrum access in temporal domain where a secondary user shares a radio channel with a primary user during the OFF period ...
64
Voted
MONET
2006
14 years 9 months ago
2006
We study auction mechanisms for sharing spectrum among a group of users, subject to a constraint on the interference temperature at a measurement point. The users access the channe...
102
Voted
MOBIHOC
2012
ACM
13 years 2 days ago
2012
ACM
A key feature of wireless communications is the spatial reuse. However, the spatial aspect is not yet well understood for the purpose of designing efficient spectrum sharing mecha...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—This paper considers a slotted ALOHA random access system where users send packets to a common receiver with multipacket reception capability. A collection of m users access the...
111
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INFOCOM
2011
IEEE
14 years 1 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...