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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Singerl, P. Koeppl, H. |
| Copyright Year | 2005 |
| Description | Author affiliation: Graz Univ. of Technol., Austria (Singerl, P.) |
| Abstract | RF power amplifiers (PA) of wireless communication systems are usually driven in their nonlinear region to obtain a higher efficiency. The price paid for the increased efficiency is the distortion of the transmission signal. To fulfil a given spectral mask for the transmission signal and to avoid an unacceptable high bit-error rate on the receiver side, the amplifier must be linearized. It is well known that nonlinear system identification (PA or predistorter) can be accomplished on the Nyquist-rate regarding the input signal bandwidth. However for predistortion applications, systems operating on the output signal Nyquist-rate are required. In this paper we show how such predistortion systems can be obtained by a multi-dimensional Volterra kernel interpolation where the kernels are estimated on a Nyquist-rate regarding the input signal, without the demand for an expensive high sampling rate analog to digital converter (ADC). |
| Starting Page | 1533 |
| Ending Page | 1536 |
| File Size | 263604 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780391977 |
| DOI | 10.1109/MWSCAS.2005.1594406 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-08-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Kernel Interpolation Predistortion Radiofrequency identification Radio frequency High power amplifiers Radiofrequency amplifiers Wireless communication Nonlinear distortion Bit error rate |
| Content Type | Text |
| Resource Type | Article |
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