A 27-GHz Full-Duplex Receiver With a Three-Port Dual-Polarized Antenna and High IIP3 Low-Noise Amplifier for Mobile Phased Array Systems

IF 4.1 1区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Microwave Theory and Techniques Pub Date : 2025-02-19 DOI:10.1109/TMTT.2025.3539728

Jonghoon Myeong;Kyutae Park;Byung-Wook Min

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引用次数: 0

Abstract

This article proposes a full-duplex (FD) receiver (Rx) with highly isolated antennas and highly linear low-noise amplifier (LNA) for mobile phased array systems. The shared-aperture antennas constituting the array are dual-polarized, three-port structures with differential feeds for high isolation. In addition, the antennas are designed as stacked square patches to operate at the same frequency with a wideband. The chip is designed with a highly linear receiver so that the signal-to-noise distortion ratio (SNDR) does not deteriorate even when high self-interference (SI) is received in an FD system. The LNA is a highly linear amplifier using the source-sensed derivative superposition (SSDS) technique. In addition, the Rx uses a passive phase shifter and an attenuator for high linearity. The phase shifter is designed as a switched delay type, and the attenuator is designed with a distributed attenuator. For system analysis, the antenna is fabricated with a six-layer printed circuit board (PCB), and the chip is integrated with the flip-chip packaging in a 28-nm CMOS process and measured. The antennas are fabricated as single,

$1 \times 2$

, and

$1 \times 4$

arrays, achieving

$\gt -40$

dB of isolation at 25.5–27.3 GHz. The measured gain, noise figure (NF), input 1-dB compression point (IP1dB), and input third-order intercept point (IIP3) of single Rx channel are 11.8 dB, 5.5–7.6 dB, -11 dBm, and -1 dBm, respectively, with 42-mA current from the 1.8-V supply voltage. The experimental results show that sufficient antenna isolation and high-linearity receiver can be used in a mobile mm-Wave array with effective isotropically radiated power (EIRP) of 22 dBm and 1-GHz bandwidth without saturation and SNDR degradation.

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一种带三端口双极化天线和高IIP3低噪声放大器的27ghz全双工接收机

本文提出了一种具有高度隔离天线和高线性低噪声放大器的全双工接收机（Rx），用于移动相控阵系统。构成该阵列的共享孔径天线采用双极化、三端口结构，差分馈电以实现高隔离。此外，天线被设计成堆叠的方形贴片，以在宽带的同一频率下工作。该芯片设计了一个高度线性的接收器，因此即使在FD系统中接收到高自干扰（SI）时，信噪比（SNDR）也不会恶化。LNA是一种采用源感测导数叠加（SSDS）技术的高度线性放大器。此外，Rx使用无源移相器和衰减器来实现高线性度。移相器设计为开关延时型，衰减器设计为分布式衰减器。为了进行系统分析，采用六层印刷电路板（PCB）制作天线，并采用28纳米CMOS工艺将芯片与倒装封装集成并进行测量。该天线采用单阵列、1 \ × 2$和1 \ × 4$阵列制造，在25.5-27.3 GHz频段实现$ gt -40$ dB的隔离。在来自1.8 v电源电压的42 ma电流下，Rx单通道的测量增益、噪声系数（NF）、输入1dB压缩点（IP1dB）和输入3阶截距点（IIP3）分别为11.8 dB、5.5-7.6 dB、-11 dBm和-1 dBm。实验结果表明，在有效各向同性辐射功率（EIRP）为22 dBm、带宽为1 ghz的移动毫米波阵列中，具有足够的天线隔离度和高线性度接收器，且无饱和和SNDR退化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Microwave Theory and Techniques 工程技术-工程：电子与电气

CiteScore

8.60

自引率

18.60%

发文量

486

审稿时长

6 months

期刊介绍： The IEEE Transactions on Microwave Theory and Techniques focuses on that part of engineering and theory associated with microwave/millimeter-wave components, devices, circuits, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, and industrial, activities. Microwave theory and techniques relates to electromagnetic waves usually in the frequency region between a few MHz and a THz; other spectral regions and wave types are included within the scope of the Society whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.