FFT Based Multiband Spectrum Sensing in SIMO In-band Full-Duplex Cognitive Radio Networks

The presented file represents matlab code for FFT Based Multiband Spectrum Sensing in SIMO In-band Full-Duplex Cognitive Radio Networks. Basically the plot shows the probability of detection versus probability of false alarm with constant window lengths in time domain and frequency domain respectively. The modulation scheme used is BPSK OFDM. The far end ie. desired channels are modeled as multipath Rayleigh fading with 3 channel taps each.本次提供的文件为针对单输入多输出（Single-Input Multiple-Output, SIMO）带内全双工认知无线电网络中基于快速傅里叶变换（Fast Fourier Transform, FFT）的多频段频谱感知的Matlab代码。该绘图展示了检测概率与虚警概率的对应关系，其时域与频域窗口长度均采用固定取值。本次所用调制方案为二进制相移键控（Binary Phase Shift Keying, BPSK）与正交频分复用（Orthogonal Frequency Division Multiplexing, OFDM）的组合调制体制。远端，即期望信道，被建模为多径瑞利衰落信道，每条信道均包含3个抽头。

搜集汇总

背景与挑战

背景概述

该数据集包含用于SIMO带内全双工认知无线电网络中基于FFT多频带频谱感知的MATLAB代码，发布于2019年。其核心内容是通过时域和频域恒定窗口长度下的检测概率与虚警概率关系图，评估BPSK OFDM调制在多径瑞利衰落信道中的性能，适用于代码复用研究。