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AR# 39861

Logicore Peak Cancellation CFR (PC-CFR) v2.0 - I do not get the expected output for the PC-CFR when impulse is applied


I am using the PC-CFR v2.0 core to apply peak cancelation reduction on both I and Q channels. To test the core, I provide an impulse as an input. I expect CFR to be applied to both I and Q channels. However, I am observing that only the Q channel was reduced. The I channel is unaffected. Why is this?


Due to the nature behind CFR calculations, the core cannot apply CFR to an impulse response. The core will work correctly if the inputs to the core are more representative of real-time stimuli.

See the core's data sheet for more details.

For a detailed list of LogiCORE IP Peak Cancelation Crest Factor Reduction - Release Notes and Known Issues, see (Xilinx Answer 33760).

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
33760 LogiCORE IP Peak Cancellation CFR(PC-CFR) - Release Notes and Known Issues N/A N/A
AR# 39861
Date Created 01/18/2012
Last Updated 12/15/2012
Status Active
Type General Article
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