集成传感,通信和同时无线信息和电力传输系统的波形设计
Qilong Miao1, Weimin Shi2, Chenfei Xie3
1School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.
Sensors (Basel, Switzerland)
|July 13, 2024
概括
本研究介绍了一种新的集成系统,用于传感,通信和功率传输,使用循环前直角时间频率空间 (CP-OTFS) 信号. 拟议的系统在高速场景中提高了性能,超过了传统方法.
科学领域:
- 无线通信工程 无线通信工程
- 信号处理 信号处理
- 综合传感和通信系统
背景情况:
- 下一代通信系统需要集成的传感,通信和功率传输 (PT) 能力.
- 现有的系统,如集成传感和通信系统 (ISACS),同时无线信息和功率传输 (SWIPT) 和正交时频空间 (OTFS) 提供了部分解决方案.
- 高速场景对当前的通信技术带来了挑战.
研究的目的:
- 提出一个新的框架,用于集成的同时无线传感,通信和功率传输 (ISWSCPTS).
- 在ISWSCPTS框架内增强传感能力.
- 在通信和PT的服务质量 (QoS) 约束下优化系统性能.
主要方法:
- 基于OTFS的ISWSCPTS框架的周期前 (CP) 的开发.
- 关于基于CP-OTFS匹配过器 (MF) 的目标检测和参数估计 (MF-TDaPE) 算法的建议.
- 介绍CP-OTFS模糊函数塑造 (AFS) 算法用于波形设计.
- 应用半确定的放松 (SDR) 束形设计 (SDR-BD) 算法,在 QoS 约束下最大限度地提高传感性能.
主要成果:
- 与正角频率分割多重复合 (OFDM) 相比,ISWSCPTS在高速场景中表现出优越的参数估计性能.
- 使用CP-OTFS AFS设计的波形表现出增强的干扰弹性.
- SDR-BD算法有效地平衡了系统的整体性能,包括传感,通信和功率传输.
结论:
- 拟议的基于CP-OTFS的ISWSCPTS框架有效地整合了传感,通信和功率传输.
- 开发的算法 (MF-TDaPE,CP-OTFS AFS,SDR-BD) 显著提高了传感能力和整体系统性能.
- 这种综合方法为未来的高速无线通信系统提供了有希望的解决方案.
相关概念视频
Maximum Power Transfer
250
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
250
Design Example
324
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...
324
Transmission Line Design Considerations
133
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...
133
Standing Electromagnetic Waves
1.5K
Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
1.5K
Energy and Power of a Wave
3.6K
The total energy associated with a wavelength is the sum of the potential energy and the kinetic energy. The average rate of energy transfer associated with a wave is called its power, which is total energy divided by the time it takes to transfer the energy. For a sinusoidal wave, energy and power are proportional to the square of both the amplitude and the angular frequency.
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
Waves can also be concentrated or spread out, as characterized by the intensity of the wave. Intensity is directly...
3.6K
Electromagnetic Waves
8.6K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
8.6K


