针对一般化MIMO Y通道的防干扰方案
Karolina Lenarska1, Krzysztof Wesołowski1
1Institute of Radiocommunications, Poznan University of Technology, 60-965 Poznan, Poland.
Sensors (Basel, Switzerland)
|May 25, 2024
概括
本研究介绍了两个新的防干扰策略,用于多输入-多输出 (MIMO) Y通道中的信号空间对齐 (SSA). 这些方法有效地减轻干扰信号,增强无线网络安全.
科学领域:
- 无线通信网络是无线通信网络.
- 信号处理 信号处理
- 信息安全信息安全.
背景情况:
- 信号空间对齐 (SSA) 是在无线网络中管理干扰的关键技术.
- 针对干扰攻击的SSA的稳定性仍然是当前研究中未被充分探索的领域.
研究的目的:
- 在多输入多输出 (MIMO) Y通道中为SSA方案提出和评估新型防干扰策略.
- 提高无线通信的安全性和可靠性,防止干扰威胁.
主要方法:
- 开发了两种反干扰策略:对干扰信号的零空间投射和干扰估计/减法.
- 利用链接级模拟来评估在各种道条件下区块错误率 (BLER) 的性能.
主要成果:
- 两种拟议的策略都在缓解基于SSA的MIMO Y通道内的干扰信号方面表现出显著的效率.
- 零空间投影有效地消除了干扰信号,而减法方法最小化了接收的信号能量.
结论:
- 拟议的防干扰策略显著提高了基于SSA的MIMO Y通道对干扰攻击的弹性.
- 这些发现为提高现代无线通信系统的安全性提供了实际解决方案.
更多相关视频
09:01Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques
Published on: April 4, 2017
8.7K
09:36Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
Published on: June 25, 2021
3.0K
相关概念视频
The Maximum Power Transfer Theorem
602
Consider a linear AC Thevenin equivalent circuit connected to a load impedance.
The load connected draws the current, and the circuit delivers the power to the load. The alternating current flowing through the load is determined using the rectangular form of voltages, currents, network impedance, and load impedance. The average power delivered to the load is obtained from the product of the square of current and load resistance.
The load connected draws the current, and the circuit delivers the power to the load. The alternating current flowing through the load is determined using the rectangular form of voltages, currents, network impedance, and load impedance. The average power delivered to the load is obtained from the product of the square of current and load resistance.
602
Mesh Analysis for AC Circuits
370
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
370
Maximum Power Transfer
252
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...
252
Linear time-invariant Systems
249
A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
The input-output behavior of an LTI system can be fully defined by its response to an impulsive excitation at its input. Once this impulse response is known, the system's reaction to any other input can be...
The input-output behavior of an LTI system can be fully defined by its response to an impulsive excitation at its input. Once this impulse response is known, the system's reaction to any other input can be...
249
Basic Discrete Time Signals
204
The unit step sequence is defined as 1 for zero and positive values of the integer n. This sequence can be graphically displayed using a set of eight sample points, showing a step function starting from n=0 and remaining constant thereafter.
The unit impulse or sample sequence is mathematically expressed as zero for all n values except at n=0, where it is one. The unit impulse sequence, denoted by δ(n), is the first difference of the unit step sequence, while the unit step sequence u(n) is...
The unit impulse or sample sequence is mathematically expressed as zero for all n values except at n=0, where it is one. The unit impulse sequence, denoted by δ(n), is the first difference of the unit step sequence, while the unit step sequence u(n) is...
204
Even and Odd Signals
807
An even signal, whether in continuous-time or discrete-time, is defined by its symmetry with its time-reversed version. Mathematically, this is represented as
807
