搜索资源列表
wirelesscomm
- In this project we analyze and design the minimum mean-square error (MMSE) multiuser receiver for uniformly quantized synchronous code division multiple access (CDMA) signals in additive white Gaussian noise (AWGN) channels.This project is mainly bas
GoldsequenceCDMAsimulation
- 写一个MATLAB程序，实现4个时间同步的CDMA用户的仿真，其中每个用户都使用长度为L=31的不同的Gold序列。每个用户都采用它们代表的Gold序列的二进制（+-1）调制。每个用户的接收端将这个复合的CDMA接收信号相关，而这个复合的信号都在它们各自的序列上受到AWGN的污损（基于按码片相加）。在N=10000信息比特下，仿真估值并画出作为SNR的函数的CDMA通信系统的差错概率。-Write a MATLAB program, the realization of the four t
SHIYAN_3
- 利用M函数仿真扩频通信系统。6个用户的CDMA的同步通信系统，每个用户利用L＝31的Gold码，进行扩频，信道为AWGN信道，接收端利用匹配滤波器进行检测。绘出当N＝10000个发射比特下，SNR＝0：15（dB）时的误码率曲线。 -M function simulation using Spread Spectrum Communication System. 6 simultaneous users of CDMA communication system, each user of t
DS-CDMA_with_BPSK_and_Walsh_code
- A simple program for simulation of CDMA system with Walsh-Hadamard Code. Result of this program is plot of BER vs SNR.
cdma
- cdma function used to evaluate snr versus diffrent parameters like no of users-cdma function used to evaluate snr versus diffrent parameters like no of users
cdma_in_matlb
- cdma function used to estimate snr vesus diffrent parametrs like fading and no of users
Asynchronous_CDMA
- This the simulink file that demonstrates the fundametal principle of operation behind asynchronous CDMA systems using Welsh codes. The system performance can be evaluated by changing the processing gain at the transmitter and by increasing or decreas
thesissim
- this a matlab code for cdma it is a calculation of ber,snr etc. -this is a matlab code for cdma it is a calculation of ber,snr etc.
MULTI
- its a matlab code to implement a matched filter for a single user and get a ber versus snr plot. uses 31 length 5 gold sequences for cdma.
batchprocessingalgorithem
- 这是一篇很好的有关信道估计的文章， 可以用来快速的了解信道估计的基本内容-and MAI induced by multiple-input, multiple-output channels. In particular, this article reviews the typical inverse filter criteria (IFC) based algorithm, super-exponential algorithm, and constant modulus a
AdifferentiallycoherentPNcodeacquisitionreceiverfo
- IEEE经典文章，CDMA PN序列差分捕获技术，文章内容详细，对学习和从事直接序列扩频同步捕获CDMA系统设计人员有很大帮助，推荐-New differentially coherent detectors for acquisition of direct sequence spread-spectrum signals are ntroduced. These detectors are alternatives to the noncoherent detectors that have
cdma
- 编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度-Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to comple
prg-cdma
- this code matlab calculte the BER vs SNR of multi user CDMA system using different detectors sush as MMSE and ZF in rayleigh channel model