Browsing by Author "Wang, Teng"
Now showing items 1-11 of 11
-
Amping up, saving power
(2016-01-01)
Article
Open AccessFourth-generation (4G) communication systems based on orthogonal frequency division multiplexing (OFDM) and the proposed backwards compatible fifth-generation (5G) variants, like filter-bank multicarrier (FBMC), are based ... -
Comparison of model order reduction techniques for digital predistortion of power amplifiers
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Open AccessThis paper compares and discusses four techniques for model order reduction based on compressed sensing (CS), less relevant basis removal (LRBR), principal component analysis (PCA) and partial least squares (PLS). CS and ... -
Digital adaptive predistortion for Unmanned Aircraft Vehicles communications with under-sampling restoration method
(Universitat Politècnica de Catalunya, 2014-12-17)
Master thesis
Open AccessNowadays, the Unmanned Aerial Vehicle (UAV) become more and more popular in aerial photography, especially in mini and micro size UAV. The UAV used for aerial photography usually use a high power video transfer communication ... -
A fast engineering approach to high efficiency power amplifier linearization for avionics applications
(Universitat Politècnica de Catalunya, 2020-12-17)
Doctoral thesis
Open AccessThis PhD thesis provides a fast engineering approach to the design of digital predistortion (DPD) linearizers from several perspectives: i) enhancing the off-line training performance of open-loop DPD, ii) providing ... -
Ground deformation monitoring over Xinjiang coal fire area by an adaptive ERA5-corrected stacking-InSAR method
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-01)
Article
Open AccessUnderground coal fire is a global geological disaster that causes the loss of resources as well as environmental pollution. Xinjiang, China, is one of the regions suffering from serious underground coal fires. The accurate ... -
Machine-Learning assisted optimisation of free-parameters of a dual-input power amplifier for wideband applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-04-17)
Article
Open AccessThis paper presents an auto-tuning approach for dual-input power amplifiers using a combination of global optimisation search algorithms and adaptive linearisation in the optimisation of a multiple-input power amplifier. ... -
Mesh-Selecting for Computational Efficient PA Behavioral Modeling and DPD Linearization
(2021-01)
Article
Restricted access - publisher's policyThis letter proposes a mesh-selecting (MeS) method for complex-valued signals oriented at significantly reducing the training data required to extract the parameters of mathematical models for characterizing the nonlinear ... -
Multi-dimensional LUT-based digital predistorter for concurrent dual-band envelope tracking power amplifier linearization
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference lecture
Open AccessThis paper presents a multi lookup table (LUT) implementation scheme for the 3D distributed memory polynomial (3D-DMP) behavioral model used in Digital Predistortion (DPD) linearization for concurrent dual-band envelope ... -
Partial least squares identification of multi look-up table digital predistorters for concurrent dual-band envelope tracking power amplifiers
(IEEE Microwave Theory and Techniques Society, 2018-08-02)
Article
Open AccessThis paper presents a technique to estimate the coefficients of a multiple-look-up table (LUT) digital predistortion (DPD) architecture based on the partial least-squares (PLS) regression method. The proposed 3-D distributed ... -
Reducción de la frecuencia de muestreo en los conversores ADC y DAC usados en predistorsionadores digitales
(Unión Científica Internacional de Radio (URSI), 2015)
Conference report
Restricted access - publisher's policyWith the increasing demands for higher data rate, wider signal bandwidth is required, and this imposes high sampling rate converters in the communications equipment. This paper provides and analyzes experimental results ... -
Under-sampling effects and computational cost reduction in RF power amplifier Behavioral Modeling
(European Microwave Association (EuMA), 2015)
Conference report
Restricted access - publisher's policyThis paper presents a study oriented at reducing the computational complexity of least squares (LS) identification of the parameters describing power amplifier’s (PA) behavioral models. To reduce the dimensions of the ...
