35 search results - page 5 / 7 » Vandermonde Frequency Division Multiplexing for Cognitive Ra... |
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
VTC
2006
IEEE
13 years 11 months ago
2006
IEEE
— This paper introduces a resource allocation strategy which focuses on minimizing power consumption in Orthogonal Frequency Division Multiplexing(OFDM) systems. In case of multi...
ICC
2008
IEEE
14 years 7 days ago
2008
IEEE
Abstract—Establishing a radio link in cell-based mobile communication systems involves searching and synchronizing the downlink known pattern of sequences associated with the bas...
JSAC
2007
13 years 5 months ago
2007
— In this paper, a distributive non-cooperative game is proposed to perform sub-channel assignment, adaptive modulation, and power control for multi-cell multi-user Orthogonal Fr...