121 search results - page 15 / 25 » Cognitive Wireless Mesh Networks with Dynamic Spectrum Acces... |
WIOPT
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
WIOPT
2010
IEEE
14 years 8 months ago
2010
IEEE
We consider the problem of providing opportunistic spectrum access to secondary users in wireless cellular networks. From the standpoint of spectrum license holders, achieving ben...
TON
2012
13 years 3 days ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
WIOPT
2011
IEEE
14 years 1 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
75
Voted
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
—At present wireless devices are able to select their working frequency only to a limited extend although several measurements have shown that the current spectrum regulations ar...