Adaptive blind postdistortion and equalization of system impairments for a single-channel concurrent dual-band receiver
Y Liu - IEEE Transactions on Microwave Theory and …, 2016 - ieeexplore.ieee.org
Concurrent dual-band receivers use fewer RF components to flexibly receive signals in the
dual bands. To further reduce the number of components, a compact concurrent dual-band …
dual bands. To further reduce the number of components, a compact concurrent dual-band …
MIMO subband volterra digital predistortion for concurrent aggregated carrier communications
This paper presents a multiple-input multiple-output (MIMO) nonlinear mitigation technique
for closely spaced concurrent aggregated carrier systems. The transmitter architecture …
for closely spaced concurrent aggregated carrier systems. The transmitter architecture …
[PDF][PDF] 功放数字预失真线性化技术发展趋势与挑战
刘昕， 陈文华， 吴汇波， 冯正和 - Inform, 2022 - scis.scichina.com
摘要射频功率放大器是发射机的核心器件之一, 它在提供高效率的同时也成为了发射机非线性
失真的主要来源. 因此, 发射机往往采用额外的功放线性化技术以兼顾效率和线性度, 其中 …
失真的主要来源. 因此, 发射机往往采用额外的功放线性化技术以兼顾效率和线性度, 其中 …
Vector-switched digital predistortion for concurrent dual-band transmitters with hybrid time-division multiplexing scheme
D Zhang, X Wu, L Jin, X Pan - Microelectronics Journal, 2024 - Elsevier
In a concurrent dual-band digital predistortion (DPD) system, due to the large number of two-
dimensional (2D) polynomial-based model coefficients and the existence of cross …
dimensional (2D) polynomial-based model coefficients and the existence of cross …
Bandwidth-efficient blind nonlinear compensation of RF receiver employing folded-spectrum sub-nyquist sampling technique
K Kimura, Y Yamao - IEICE Transactions on Communications, 2019 - search.ieice.org
Blind nonlinear compensation for RF receivers is an important research topic in 5G mobile
communication, in which higher level modulation schemes are employed more often to …
communication, in which higher level modulation schemes are employed more often to …
Mathematical Model and Reference Frequency Optimization for Digital Dual-Band Pulsewidth Modulation
Z Chen, J Yang, X Zhang, J Bai, T Feng… - 2020 IEEE MTT-S …, 2020 - ieeexplore.ieee.org
In all-digital transmitter (ADT), pulsewidth modulation (PWM) is a popular pulse coding
technique. This paper makes research on the PWM technique for dual-band ADT. Firstly, the …
technique. This paper makes research on the PWM technique for dual-band ADT. Firstly, the …
[图书][B] Multiband RF Circuits and Techniques for Wireless Transmitters
This book introduces systematic design methods for passive and active RF circuits and
techniques, including state-of-the-art digital enhancement techniques. As the very first book …
techniques, including state-of-the-art digital enhancement techniques. As the very first book …
Bandwidth compressed waveform and system design for wireless and optical communications: Theory and practice
T Xu - 2017 - discovery.ucl.ac.uk
This thesis addresses theoretical and practical challenges of spectrally efficient frequency
division multiplexing (SEFDM) systems in both wireless and optical domains. SEFDM …
division multiplexing (SEFDM) systems in both wireless and optical domains. SEFDM …
Flexible digital predistortion for future spectrally-agile waveforms and 5G radio systems
In this article, we focus on the RF and digital front-end design and implementation
challenges associated with future 5G radio access systems with special emphasis on …
challenges associated with future 5G radio access systems with special emphasis on …
2-D orthogonal polynomial model for concurrent dual-band digital predistortion based on complex Gaussian assumption
X Wu, L Chen - AEU-International Journal of Electronics and …, 2021 - Elsevier
Abstract Two-dimensional (2-D) polynomial models are widely used in digital predistortion
(DPD) design for dual-band power amplifier (PA) linearization. However, the conventional …
(DPD) design for dual-band power amplifier (PA) linearization. However, the conventional …