基于Matlab的蓝牙跳频扩频仿真

René Cortijo Leyva, Maryory Urdaneta Herrera, Freddy Merchan Pincay, Wilmer Albarracin Guarochico
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引用次数: 0

摘要

本研究的目的是基于MATLAB开发跳频扩频方案下调制蓝牙信号传输的图形界面仿真模型。设想通过图形化传输一定的信息来模拟跳频,用户可以以二进制格式输入要传输的信息,并为跳频序列选择在发送端和接收端必须相同的伪码类型,在接收端进行解调后读取该信息并获得原始报文。计划了三种不同的实践,并将其各自的过程指南作为教学材料加以阐述。第一节课的目的是让电信专业的学生熟悉跳频扩频仿真的图形界面,以及所需参数和技术条件的定义。第二个目标是发送和可视化信息,并可能改变载波跳变后的序列码。最后,通过第三种实践,可以分析跳频序列的伪代码的错误和同步失败。该应用程序是在MATLAB中开发的,可以处理矩阵计算,创建特定的函数,并开发易于操作的图形界面,用于模拟蓝牙信号在跳频扩频下的传输。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Frequency Hopping Spread Spectrum Simulation for Bluetooth Using Matlab
The present research was carried out with the purpose of developing a graphical interface simulation model for the transmission of modulated Bluetooth signal under the frequency hopping spread spectrum scheme, based on MATLAB. It was conceived to simulate frequency hopping by transmitting certain information graphically, in which the user can enter the information to be transmitted in binary format and choose the type of pseudo code for the hopping sequence that must be the same in both the transmitter and receiver to read the information and obtain the original message after performing the demodulation in the receiver. Three different practices were planned, and their respective procedure guides were elaborated as didactic material. The first one was intended to familiarize telecommunications students with the graphical interface of frequency hopping spread spectrum simulation with the definition of the required parameters and technical conditions. The second was aimed at sending and visualizing the information with the possibility of varying the sequence code that follows the carrier hopping. Finally, with the third practice it was possible to analyze the errors and synchronization failures of the pseudo code for the hopping sequence. The application was developed in MATLAB, which allowed handling matrix calculations, creation of specific functions and the development of a graphical interface easy to operate, for the simulation of Bluetooth signal transmission with frequency hopping spread spectrum.
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