Matlab Simulation for Generation and Performance Analysis of Gold Codes in CDMAPseudo Noise (PN) codesIn communication, SS plays a vital role in practical application like mobile communication in CDMA because it has advantage like noise immunity. Spread spectrum technique may be a digital pass band...
system.Inthisdesign,eachmoduleintheCDMAsystemisdesignedbyMatlabsimulation software,whichincludesthegenerationofrandomsignals,thepseudorandomsequencecode (msequenceandtheGoldsequence),theQPSKmodulationanddemodulation,thefilter module,andthenthemoduleiscalledbythenumberofmainfunctions,thenthebiterrorrate ...
1.1 CDMA发展史 CDMA是码分多址的英文缩写(Code Division Multiple Access,它是在数字技术的分支--扩频通信技术上发展起来的一种崭新而成熟的无线通信技术。CDMA技术的原理基于扩频技术,即将需要传送的具有一定信号带宽的信息数据,用一个带宽远大于信号带宽的高速伪随机码进行调制,使原数据信号的带宽被扩展,再经载波调...
the main program (cdma_assignment) which is the simulation of any number of users and any number of bits for each user. The second and third files are the functions used in the main file, they are cdmat.m and cdmar.m these two files are the functions for the transmitter and receiver...
关键词:CDMA;扩频;matlab仿真 The analysis and simulation ofcommunicationsystem based on Matlab Abstract A technology in wireless communication was called Code Division Multiple Access(Referred to CDMA) and it is the Core technology in3G. CDMA technology was developed During World War II for the need...
基于MATLAB的直接序列扩频通信系统仿真. Contribute to highskyno1/2users-CDMA-simulation development by creating an account on GitHub.
Basic CDMA transmitter and receiver 2K Downloads CDMA 2.8K Downloads This is a General CDMA simulation 4.2K Downloads Categories Wireless Communications > LTE Toolbox > Test and Measurement Find more on Test and Measurement in Help Center and MATLAB Answers Tags Add Tags cdma orthogonal...
【Key words】Code Division Multiple Access,communication system,MATLAB,simulation 第一章 1.1 CDMA又称为码分多址,其前身是扩频通信技术。就是利用一个带宽很大的高速伪随机码序列,将占用一定带宽,且带宽远小于伪随机码序列的传送信息的信号带宽进行扩展。经过载波调制之后,再从发送端发送出去。接收端需要用一样的...
Then, the simulation model is established by learning the transmission principle of communication system, and the simulation analysis is carried out for different code types in the channel.Learn to use the simulation tool MATLAB, in different channels of communication system for Hamming code simulation...
Through the software simulation in the laboratory, I can finish the scheduled function and carry out the physical layer transmission of the data frame. Keywords cdma2000;communication system simulation; reverse transmission channel;MATLAB 目 录 摘要... I Abstract ......