12 search results - page 1 / 3 » Enabling Secondary Spectrum Markets Using Ad Hoc and Mesh Ne... |
JCM
2006
13 years 4 months ago
2006
JSAC
2011
12 years 11 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
MOBIHOC
2009
ACM
13 years 11 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
JSAC
2008
13 years 4 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
MOBIHOC
2005
ACM
14 years 4 months ago
2005
ACM
This paper proposes a new principle for designing MAC protocols for spread spectrum based ad hoc networks ? inducing spatial clustering in contending transmitters/receivers. We fi...