相关实验视频
Updated: Jul 15, 2026

10:26
Fabrication and Characterization of Superconducting Resonators
Published on: May 21, 2016
11.4K
一个小型的八端口天线阵列,基于分环共振器,用于5G Sub-6 GHz手机应用
Jianlin Huang1, Lingrong Shen1, Shanshan Xiao1
1College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou 325035, China.
Sensors (Basel, Switzerland)
|December 23, 2023
概括
开发了一种小型的八端口多输入多输出 (MIMO) 天线阵列,用于5G sub-6 GHz手机. 这种紧的设计提供宽带操作和高性能,使其适合下一代移动设备.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
背景情况:
- 第五代 (5G) 移动通信系统需要用于6GHz以下频率的先进天线解决方案.
- 微型化和高性能是手机天线的关键设计约束.
研究的目的:
- 为5G sub-6 GHz手机应用提出一个小型的八端口多输入多输出 (MIMO) 天线阵列.
- 为了实现宽带操作和高隔离在一个紧的形式因素.
主要方法:
- 一个新的天线元件的设计,在一个金属框架上设有中国字符""形的散热器和三个分环共振器 (SRR).
- 分析天线性能,包括阻抗带宽,电流分布和单手持有的影响.
- 测量和计算关键性能指标,如总效率,隔离,外相关系数 (ECC) 和通道容量 (CC).
主要成果:
- 每个单独的天线元件的尺寸为6.8 × 7 × 1 mm3 (47.6 mm3).
- 实现了1.7 GHz (3.3-5 GHz) 的-10 dB阻抗带宽,覆盖了5G NR频段N77,N78和N79.
- 测量的总效率范围从40%到80%,隔离度要好于12 dB,ECC小于0.12,CC为35-38 bps/Hz.
结论:
- 拟议的微型八端口MIMO天线阵列是5G移动手机的可行解决方案.
- 该设计展示了宽带操作,有效使用金属框架和最小化间距,解决了5G应用的关键要求.
更多相关视频
10:28Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
Published on: March 23, 2017
7.8K
08:25Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
Published on: August 27, 2021
2.6K
相关概念视频
Parallel Resonance
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
Design Example
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...