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  5. Simplified online coefficients updating for digital predistortion of wideband/multi-band RF power amplifiers
 
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Simplified online coefficients updating for digital predistortion of wideband/multi-band RF power amplifiers

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Download Yan_Guo_APMC_2015.pdf215.38 KB
Author(s)
Guo, Yan 
Yu, Chao 
Zhu, Anding 
Uri
http://hdl.handle.net/10197/10241
Date Issued
09 December 2015
Date Available
01T10:00:38Z May 2019
Abstract
In this paper, a simplified online coefficients updating technique is proposed to realize real-time timing of digital predistortion (DPD) for RF power amplifiers (PAs), particularly focusing on wideband and concurrent multi-band scenarios. It is achieved by equally weighting the memory terms in conventional DPD models that leads to a significant reduction of numerical calculation complexity in the coefficients updating process and thus saves time and power during real system operation. To validate the proposed method, both wideband LTE- A (100 MHz) and concurrent dual-band (20 MHz + 20 MHz) cases have been tested. Experimental results show that the proposed method can achieve excellent performance with significant reduction of system complexity compared to the conventional approaches.
Sponsorship
Science Foundation Ireland
Type of Material
Conference Publication
Publisher
IEEE
Copyright (Published Version)
2015 IEEE
Keywords
  • Digital predistortion...

  • Dual-band

  • Model extraction

  • On-line updating

  • Power amplifier

  • Wideband

DOI
10.1109/apmc.2015.7411574
Language
English
Status of Item
Not peer reviewed
Part of
2015 Asia-Pacific Microwave Conference (APMC2015) Proceedings
Description
The 2015 Asia-Pacific Microwave Conference (APMC2015), Nanjing, China, 6-9 December 2015
ISBN
9781479987658
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Electrical and Electronic Engineering Research Collection
Scopus© citations
2
Acquisition Date
Feb 5, 2023
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Views
718
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Downloads
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