相关实验视频
Updated: Jun 3, 2025

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.8K
2公里不压缩的高清视频无线传输100 GHz基于全光学频率上下转换
Shuang Gao1, Yutong Jiang1, Zhuoxin Li1
1National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China.
Micromachines
|January 8, 2025
概括
一个全光学接收器使6G通信的毫米波无线传输速度更快,在200米以上实现11.318 Gbps的速度. 这超过了纯电动接收器的性能,在15分钟内限制在3.125 Gbps.
科学领域:
- 无线通信系统无线通信系统
- 光学工程是指光学工程.
- 信号处理 信号处理
背景情况:
- 毫米波 (mmWave) 系统是未来6G通信的关键,因为它们的带宽很大.
- 现有的接收器技术在实现6G所需的高数据速率和扩展覆盖范围方面存在局限性.
研究的目的:
- 为了实验性地比较全光和全电接收器的性能,用于毫米波通信.
- 为了证明使用全光收发器实现高速远程数据传输的可行性.
主要方法:
- 在发射器上利用光子学辅助的异质击来产生毫米波.
- 采用基于雪崩光二极管 (APD) 的全光学接收器和基于信封检测的全电接收器.
- 在15米的无线链路上进行了实验,并证明了200米和2公里的实时高清视频传输.
主要成果:
- 全光收发器在200米的距离内以11.318Gbps的速度实现了无错误传输,而没有时钟恢复.
- 纯电动接收器仅限于3.125Gbps的15米的无错传输.
- 使用全光学系统在200米和2公里的实时未压缩的高清视频传输证明了这一点.
结论:
- 全光接收器架构在毫米波系统的数据速率和传输距离方面明显优于全电接收器.
- 拟议的全光学系统对于未来的6G应用要求超宽带,高容量和广泛覆盖的有希望的解决方案.
- 这项研究验证了光子解决方案在下一代高速无线通信中的潜力.
相关概念视频
Propagation Speed of Electromagnetic Waves
3.3K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.3K
Energy Stored In A Coaxial Cable
1.4K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.4K
IR Frequency Region: X–H Stretching
908
In IR spectroscopy, signals produced by the X−H bonds (such as C−H, O−H, or N−H) can be observed in the frequency range of 2700–4000 cm–1. The C−H stretching vibration forms sharp bands in the region 2850–3000 cm–1. The presence of the O−H stretching vibration leads to the forming of an absorption band in the frequency range 3650–3200 cm−1. At the same time, N−H stretching can be confirmed by absorption bands in...
908
Electronic Distance Measuring Instruments
26
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short...
26

