Calibration of 5G Millimeter-Wave Active Antenna Array Platform With Search-Based Optimization Method
Array calibration becomes challenging when not only the main lobe gain but also the side lobes become important for interference mitigation from […]
Technology-Dependent Capacity Analysis for 6G RF Front Ends With D-Band Implementation Using 22-nm CMOS SOI
This article presents a system-level analysis of the maximum achievable data rate in a phased array wireless link limited by the RF […]
Chip-to-chip interfaces for large-scale highly configurable mmWave phased arrays
This article presents a chip-to-chip (C2C) interface for constructing reconfigurable phased arrays to be used in fifth-generation (5G)/sixth-generation (6G) wireless systems. The […]
Low-Complexity Dynamic Directional Modulation: Vulnerability and Information Leakage
In this article, the privacy of wireless transmissions is improved through an efficient technique termed dynamic directional modulation (DDM) and is subsequently […]
Hardware Aspects of Sub-THz Antennas and Reconfigurable Intelligent Surfaces for 6G Communications
The need for unrestricted, high-quality, and high-speed communications in planned sixth generation (6G) wireless systems drives the development and research towards the […]
A Wideband IF Receiver Chip for Flexibly Scalable mmWave Subarray Combining and Interference Rejection
Large-scale multibeam phased array systems suffer from interbeam interference (IBI) that should be canceled either in the analog or digital domain. In […]
Predistortion-Based Linearization for 5G and Beyond Millimeter-Wave Transceiver Systems
The next-generation (5G/6G) wireless communication aims to leapfrog the currently occupied sub-6 GHz spectrum to the wideband millimeter-wave (MMW) spectrum. However MMW […]
Combined Sidelobe Reduction and Omnidirectional Linearization of Phased Array by Using Tapered Power Amplifier Biasing and Digital Predistortion
Power amplifier (PA) efficiency and linearity are among the key drivers to reduce energy consumption while enabling high data rates in the […]
Improving Analog Zero-Forcing Null Depth with N-bit Vector Modulators in Multi-beam Phased Array Systems
Multiantenna systems can increase the spatial reuse of the wireless spectrum by nulling the interfering directions. However, the efficiency of the spatial […]
5G mmW Link Range Uncertainties from RF System Calculations and OTA measurements
Phased arrays in 5G millimeter wave (mmW) communication are used at both link ends to separate users and to enhance the link […]