Feedforward Interference Cancellation in Radio Receiver Front-Ends |
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Authors: | Ayazian S. Gharpurey R. |
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Affiliation: | Texas Univ., Austin; |
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Abstract: | An interference cancellation technique is described for improving the dynamic range of receivers. A feedforward approach is used to attenuate large interferers before the down-conversion mixer in a receiver. This is accomplished with no measurable impact on the in-band noise performance. Techniques to cancel interference within a narrowband and also in multiple bands are described. Simulation results and measurements from a discrete prototype system are used to validate the approach. |
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