Journal ArticleDOI
A robust digital baseband predistorter constructed using memory polynomials
Lei Ding,Guotong Zhou,Dennis R. Morgan,Zhengxiang Ma,J.S. Kenney,Jaehyeong Kim,C.R. Giardina +6 more
Reads0
Chats0
TLDR
A memory polynomial model for the predistorter is proposed and implemented using an indirect learning architecture and linearization performance is demonstrated on a three-carrier WCDMA signal.Abstract:
Power amplifiers (PAs) are inherently nonlinear devices and are used in virtually all communications systems. Digital baseband predistortion is a highly cost-effective way to linearize PAs, but most existing architectures assume that the PA has a memoryless nonlinearity. For wider bandwidth applications such as wideband code-division multiple access (WCDMA) or wideband orthogonal frequency-division multiplexing (W-OFDM), PA memory effects can no longer be ignored, and memoryless predistortion has limited effectiveness. In this paper, instead of focusing on a particular PA model and building a corresponding predistorter, we focus directly on the predistorter structure. In particular, we propose a memory polynomial model for the predistorter and implement it using an indirect learning architecture. Linearization performance is demonstrated on a three-carrier WCDMA signal.read more
Citations
More filters
Journal ArticleDOI
A Generalized Memory Polynomial Model for Digital Predistortion of RF Power Amplifiers
TL;DR: This paper relates the general Volterra representation to the classical Wiener, Hammerstein, Wiener-Hammerstein, and parallel Wiener structures, and describes some state-of-the-art predistortion models based on memory polynomials, and proposes a new generalizedMemory polynomial that achieves the best performance to date.
Journal ArticleDOI
Behavioral modeling and predistortion
TL;DR: A software digital predistortion solution that enables closed-loop wideband linearization was briefly presented with excellent linearization capabilities when amplifying a 12-carrier 60-MHZ wide WCDMA signal.
Journal ArticleDOI
Orthogonal polynomials for power amplifier modeling and predistorter design
TL;DR: A novel set of orthogonal polynomials is introduced, which can be used for PA as well as predistorter modeling and generally yield better PA modeling accuracy as wellAs predistortion linearization performance.
Journal ArticleDOI
A Survey on Multicarrier Communications: Prototype Filters, Lattice Structures, and Implementation Aspects
TL;DR: In this article, the authors present a unified review of waveform design options for multicarrier schemes, and pave the way for the evolution of the multic-carrier schemes from the current state of the art to future technologies.
Posted Content
A Survey on Multicarrier Communications: Prototype Filters, Lattice Structures, and Implementation Aspects
TL;DR: The goal of the present survey is to provide a unified review of waveform design options for multicarrier schemes to pave the way for the evolution of the multicarriers schemes from the current state of the art to future technologies.
References
More filters
Book
The Volterra and Wiener Theories of Nonlinear Systems
TL;DR: In this article, a complete and detailed development of the analysis, design and characterization of non-linear systems using the Volterra and Wiener theories, as well as gate functions, is presented.
Book
RF Power Amplifiers for Wireless Communications
TL;DR: In this paper, the authors present a power amplifier design for GHz frequency bands at GHz GHz frequency band with overdrive and overdrive-only overdrive modes, as well as a switch-mode Amplifier for RF applications.
Journal ArticleDOI
Digital predistortion of wideband signals based on power amplifier model with memory
Jungsang Kim,K. Konstantinou +1 more
TL;DR: In this paper, memory effects in the power amplifier limit the performance of digital predistortion for wideband signals, and novel algorithms that take into account such effects are proposed to solve the problem.
Book
Nonlinear microwave circuits
TL;DR: This classic text is an excellent resource and time-saver for engineers who need to tackle troublesome nonlinear components that remain in use despite recent advances in microwave technology.
Book
Principles of Digital Transmission: With Wireless Applications
Sergio Benedetto,Ezio Biglieri +1 more
TL;DR: Principal of Digital Transmission provides rigorous mathematical tools for the analysis and design of digital transmission systems and applies the fundamental tools of the discipline onto a number of systems, such as wireless data transmission systems.
Related Papers (5)
Digital predistortion of wideband signals based on power amplifier model with memory
Jungsang Kim,K. Konstantinou +1 more
A new Volterra predistorter based on the indirect learning architecture
Changsoo Eun,E.J. Powers +1 more