2010 National Conference on Communications (NCC) 2010
DOI: 10.1109/ncc.2010.5430231
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A low complexity active interference cancellation method for OFDM based cognitive radios

Abstract: Abstract-We propose a low complexity active interference cancellation method applicable for OFDM based cognitive radios. The motivation for the new method comes from existing techniques proposed in the literature.We compare the performance of the new method with existing technique by using simulation results to highlight the interference suppression performance, power efficiency, and complexity.

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Cited by 3 publications
(1 citation statement)
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“…In order to reduce the complexity of AIC, an improved AIC technique is proposed in [4] based on the statistical relation among values of subcarriers used for reducing interference. In [5], another low complexity AIC approach is introduced which finds the cancellation carrier values iteratively whereas in [6], a matrix pre-nullifying method is used to reduce the complexity of AIC. Furthermore, in [4], another modification to the AIC method is proposed to overcome the problem of non-flat spectrum at the primary band by using a minmax optimization.…”
Section: Introductionmentioning
confidence: 99%
“…In order to reduce the complexity of AIC, an improved AIC technique is proposed in [4] based on the statistical relation among values of subcarriers used for reducing interference. In [5], another low complexity AIC approach is introduced which finds the cancellation carrier values iteratively whereas in [6], a matrix pre-nullifying method is used to reduce the complexity of AIC. Furthermore, in [4], another modification to the AIC method is proposed to overcome the problem of non-flat spectrum at the primary band by using a minmax optimization.…”
Section: Introductionmentioning
confidence: 99%