87 search results - page 1 / 18 » On the use of compressive sampling for wide-band spectrum se... |
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
In this paper we consider the problem of sampling far below the Nyquist rate signals that are sparse linear superpositions of shifts of a known, potentially wide-band, pulse. This...
ISSPIT
2010
12 years 11 months ago
2010
In a scenario where a cognitive radio unit wishes to transmit, it needs to know over which frequency bands it can operate. It can obtain this knowledge by estimating the power spe...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
We present a compressive wide-band spectrum sensing scheme for cognitive radios. The received analog signal at the cognitive radio sensing receiver is transformed in to a digital ...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
A parallel structure to do spectrum sensing in Cognitive Radio (CR) at sub-Nyquist rate is proposed. The structure is based on Compressed Sensing (CS) that exploits the sparsity o...