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Content Provider | IET Digital Library |
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Author | Zhang, Qian Chen, Wenhua Feng, Zhenghe |
Abstract | A reduced look-up-tables (LUTs) implementation of digital predistortion (DPD) for concurrent dual-band power amplifiers (PAs) is proposed. In the proposed method, the dual-band output is captured jointly with reduced sampling rate, then the PA characteristics of the lower band and the upper band are identified with a group of shared model coefficients, thus DPD can be implemented with shared LUTs for the two bands, which results in reducing the LUTs by 50% comparing with those traditional dual-band DPD techniques implemented with individual LUTs for each band. Experimental results show that the proposed method can achieve better than −48.2 dBc adjacent channel power ration performance with reduced LUTs. |
Starting Page | 802 |
Ending Page | 804 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 53 |
e-ISSN | 1350911X |
Issue Number | Issue 12, Jun (2017) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/53/12 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2017.0787 |
Journal | Electronics Letters |
Publisher Date | 2017-05-09 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Adjacent Channel Power Ration Performance Amplifiers Concurrent Dual-band Digital Predistortion Concurrent Dual-band Power Amplifier Dual-band DPD Technique PA Characteristic Power Amplifier Reduced Look-up-table Reduced LUT Reduced Sampling Rate Shared Model Coefficient Table Lookup |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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