集成的THz/FSO通信:对实际限制,应用和挑战的审查
Jingtian Liu1, Xiongwei Yang1, Yi Wei1
1School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China.
Micromachines
|November 27, 2025
概括
集成的太赫兹 (THz) 和自由空间光学 (FSO) 通信系统为未来的网络提供高容量,可靠的传输. 结合THz和FSO可以提高性能,克服6G和空间-空气-地面集成网络的单个系统限制.
科学领域:
- 无线通信无线通信
- 光学通讯是指光学通讯.
- 网络工程 网络工程
背景情况:
- 未来的6G网络和太空-空-地面集成网络 (SAGIN) 需要高容量,长距离和超可靠的数据传输.
- 太赫兹 (THz) 和自由空间光学 (FSO) 通信系统是满足这些需求的关键候选者,因为它们的互补优势.
研究的目的:
- 提供综合THz和FSO通信系统的全面审查.
- 分析这些混合网络的通道建模,传输性能和系统架构方面的进展.
- 确定强大的综合通信基础设施的挑战和未来研究方向.
主要方法:
- 对THz和FSO通信的最新进展进行系统审查.
- 分析通道特征,包括衰减,流,指向错误和噪声.
- 在各种大气条件下THz和FSO性能的比较.
- 评估综合系统架构和自适应切换策略.
主要成果:
- THz通信提供了千米的Tbps速率,但受到分子吸收和天气的限制.
- FSO提供高带宽,但受到流引起的色影响,影响可靠性.
- 具有自适应开关的集成THz-FSO系统显示出增强的可靠性和频谱效率,实现无的Tbps数据速率.
- 持续存在的挑战包括硬件集成,算法优化和资源配置.
结论:
- 集成THz和FSO技术对于未来的高容量,可靠的通信网络至关重要.
- 在统一道建模,共享架构和智能切换算法方面需要进一步的研究.
- 开发强大的综合通信基础设施对于6G和SAGIN部署至关重要.
相关概念视频
Properties of the z-Transform I
593
The z-transform is a fundamental tool in digital signal processing, enabling the analysis of discrete-time systems through its various properties. It is an invaluable tool for analyzing discrete-time systems, offering a range of properties that simplify complex signal manipulations. One fundamental property is linearity. For any two discrete-time signals, the z-transform of their linear combination equals the same linear combination of their individual z-transforms. This property is essential...
593
Discrete-Time Fourier Series
640
The Discrete-Time Fourier Series (DTFS) is a fundamental concept in signal processing, serving as the discrete-time counterpart to the continuous-time Fourier series. It allows for the representation and analysis of discrete-time periodic signals in terms of their frequency components. Unlike its continuous counterpart, which utilizes integrals, the calculation of DTFS expansion coefficients involves summations due to the discrete nature of the signal.
For a discrete-time periodic signal x[n]...
For a discrete-time periodic signal x[n]...
640
Transmission Line Design Considerations
583
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
583
Relation of DFT to z-Transform
765
The Discrete Fourier Transform (DFT) is a crucial tool for analyzing the frequency content of discrete-time signals. It converts a sequence of N samples from the time domain into its corresponding sequence in the frequency domain, where each sample represents a specific frequency component.
To understand how the DFT works, it's helpful to consider the z-transform, which is a method for representing discrete sequences in the complex frequency domain. The z-transform involves summing the...
To understand how the DFT works, it's helpful to consider the z-transform, which is a method for representing discrete sequences in the complex frequency domain. The z-transform involves summing the...
765
Design Example
521
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...
521
Interference and Diffraction
51.6K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
51.6K


