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22 Threads found on edaboard.com: Cdma Performance
Hi i am doing a project in MC-cdma in Matlab.I have used the following code.However i am confused as to how many cyclic prefix bits are to be ber doesnot show any significant inprovement by changing the bits.Can anyone point out where i am going wrong?? clc; clear all; M=10^3;%no of data bits N=128;%no of subcarriers/no of codes cp=2
which type in Ocdma there are 1-D, 2-D ,,,
Hi guys! We are just starting on this thing of multiuser communications, and we have some doubts about the BER performance,it´s about 0.5 and doesn´t improve while we increase the Eb/No from bertool as is expected, we are so out of clues here so if you could help us we´ll be very pleased! here I attach the .mdl file, my email es hernandella
could you please send me matlab codes for signal to noise ratio performance of least mean square based rake receiver of a cdma my email is( carcosq@gmail.com) Thank you.
Is it better to leave working on MC-DS-cdma and work on IDMA the newer topic??Does IDMA have beter performance ??Does MC-DS-cdma have new ideas to improve its performance??
hiiiii friends, i am very new to this forum and i will be very happy if anybody help me out in getting a MATLAB Code for multi-user detection in cdma or DS-cdma with their performance curves coding and all ..... Please help me . i need this urgently
Hi, Can cdma provide a better performance under Rayleigh Fading channel as compared to a singlr carrier system if i am using an correlated receiver (not like a RAKE receiver) ?
I Need MATLAB code for performance analysis of Multi- tone cdma using OFDM-QPSK......plz anyone help for me..................
Hi all, I am Iraqi PhD student in Malaysia now, in UKM , I hope to get the help to build a MC-cdma simulator using ns-2 , or matlab, and monitor the performance at various types of TCP on this simulator. Realy, I want to examine the performance of different types of TCP, such as, Reno, Tahoe, Snoop, Freeze, M-TCP, I-TCP,Vegas, and (...)
Hi, i m trying to simulate DS-cdma BER performance using MATLAB for multiusers. My problem is that "pskmod" function only accepts positive values from 0-M and in DS-cdma when adding different spreaded codes i get some negative values that cant be given to "pskmod" e.g. " -1 1 1 -1 1 -1 -1..." So, how can i pass the spreaded code
read a book. Any book on cdma. Just read its first page
hello, i just started my research on resource optimization for cooperative communication, i just want to know about OFDMA, does it suffer from Interference, what are the types of interference that affects the OFDMA performance. In cdma for example, the received signal can be written as y=ax+∑bz+n, where ∑bz represent the inte
I have this question: In the book "Introduction to cdma Wireless Communications" by: Mosa Ali Abu-Rgheff, page 108 the following example; Example 2.11 A convolutional encoder that provides the best error performance in satellite communication systems has the following parameters: G = R = 1/2 K = 7 Determine the structure of
i'm doing cdma simulation,but i need help in rake receiver code . send about rake code through my email
i do my Msc thesis in beamforming in cdma, but suggest u to work in OFDM, MIMO and STC. What is STC ?
hi guys i need simulation in matlab for cdma...ds-cdma and mc-cdma..all sort of simulations related to them...like BER plots,performance in fading channels, AWGN channel and in different you know where i can find them or if anyone has got them, could you please kindly upload them
Hi, I am looking for some material on synchronization of BTS and other components in a cdma network, and intend to investigate how timing misalignment can degrade this network's performance. Can any body provide ANY material related to this?! Regards
SOME ONE PLEASE REPLY URGENTLY......... Hello, I am trying to do a project on ?MULTIUSER DETECTION FOR DS-cdma UWB SYSTEM? in which I am going to compare performance of ?matched filter?, ?RAKE receiver? and ?MMSE receiver?, which are the cdma receivers. Our goal is to examine the performance for the following (...)
Hello, I am trying to do a project on ?MULTIUSER DETECTION FOR DS-cdma UWB SYSTEM? in which I am going to compare performance of ?matched filter?, ?RAKE receiver? and ?MMSE receiver?, which are the cdma receivers. Our goal is to examine the performance for the following scenarios: a) Multipath channel, no interferers (...)
Hello, I am trying to do a project on ?MULTIUSER DETECTION FOR DS-cdma UWB SYSTEM? in which I am going to compare performance of ?matched filter?, ?RAKE receiver? and ?MMSE receiver?, which are the cdma receivers. Our goal is to examine the performance for the following scenarios: a) Multipath channel, no interferers (...)


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