6G survey on challenges, requirements, applications, key enabling technologies, use cases, AI integration issues and security aspects
Fifth-generation (5G) wireless networks will likely offer high data rates, increased reliability,
and low delay for mobile, personal, and local area networks. Along with the rapid growth of …
and low delay for mobile, personal, and local area networks. Along with the rapid growth of …
On challenges of sixth-generation (6G) wireless networks: A comprehensive survey of requirements, applications, and security issues
Abstract Fifth-generation (5G) wireless networks are likely to offer high data rates, increased
reliability, and low delay for mobile, personal, and local area networks. Along with the rapid …
reliability, and low delay for mobile, personal, and local area networks. Along with the rapid …
Linearity and efficiency in 5G transmitters: New techniques for analyzing efficiency, linearity, and linearization in a 5G active antenna transmitter context
Every new generation of mobile systems should provide higher capacity, serve more users,
be more energy efficient, and have lower cost. Radio-access hardware constitutes a major …
be more energy efficient, and have lower cost. Radio-access hardware constitutes a major …
Full-angle digital predistortion of 5G millimeter-wave massive MIMO transmitters
In this paper, a full-angle digital predistortion (DPD) technique is proposed to linearize fifth-
generation (5G) millimeter-wave (mmWave) massive multiple-input-multipleoutput (mMIMO) …
generation (5G) millimeter-wave (mmWave) massive multiple-input-multipleoutput (mMIMO) …
Piecewise digital predistortion for mmWave active antenna arrays: Algorithms and measurements
In this article, we describe a novel framework for digital predistortion (DPD)-based
linearization of strongly nonlinear millimeter-wave active antenna arrays. Specifically, we …
linearization of strongly nonlinear millimeter-wave active antenna arrays. Specifically, we …
Digital predistortion of millimeter-wave RF beamforming arrays using low number of steering angle-dependent coefficient sets
This paper proposes a single-input single-output (SISO) digital predistortion (DPD) model for
linearizing millimeter-wave (mm-wave) RF beamforming arrays. It starts with a dual-input …
linearizing millimeter-wave (mm-wave) RF beamforming arrays. It starts with a dual-input …
Digital predistortion of 5G massive MIMO wireless transmitters based on indirect identification of power amplifier behavior with OTA tests
In this article, we present a novel digital predistortion (DPD) architecture for multiple-input-
multiple-output (MIMO) transmitters using a real-time single-channel over-the-air (OTA) data …
multiple-output (MIMO) transmitters using a real-time single-channel over-the-air (OTA) data …
A reconfigurable hybrid series/parallel Doherty power amplifier with antenna VSWR resilient performance for MIMO arrays
Antenna load impedance variations typically cause significant power amplifier (PA)
performance degradation, including output power, large-signal linearity, and peak/average …
performance degradation, including output power, large-signal linearity, and peak/average …
Linearization for hybrid beamforming array utilizing embedded over-the-air diversity feedbacks
In this article, a modified beam-oriented digital predistortion (BO-DPD) utilizing the over-the-
air diversity feedbacks (OTA DFBs) is proposed for linearizing the hybrid beamforming (HBF) …
air diversity feedbacks (OTA DFBs) is proposed for linearizing the hybrid beamforming (HBF) …
Digital predistortion of phased-array transmitter with shared feedback and far-field calibration
Digital predistortion (DPD) of a phased array requires that multiple transmit paths must be
measured by a feedback (FB) receiver (Rx). In this article, we propose an FB concept for …
measured by a feedback (FB) receiver (Rx). In this article, we propose an FB concept for …