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Bit Error Rate Related Problem

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This is the region where the BER for BPSK modulation changes from from very high ber (>0.1) to very low ber (<10^-4) 3. Setting the state of the rand() or randn() enables one to do so. I determine two waveforms, Tb and BW, then I'm trying to draw the plot of Pe versus BW. However reducing the bandwidth limits the data throughput that can be achieved. http://sovidi.com/bit-error/bit-error-rate-ber-related-problem.php

The bit error ratio (also BER) is the number of bit errors divided by the total number of transferred bits during a studied time interval. Internet applications - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ... TQ so much if you can help me. I'm very new at digital communication, so I'm sorry for these bad questions Reply Krishna Sankar December 26, 2012 at 7:06 am @Ozgee: Replies: 1/ This simulation is doing bit error

Acceptable Bit Error Rate

Reply Krishna Sankar November 27, 2012 at 5:47 am @phani: sorry, do not know about ofdm-idma topic Reply Tony November 22, 2012 at 7:51 pm Dear Mr Krishna. For example, in the case of QPSK modulation and AWGN channel, the BER as function of the Eb/N0 is given by: BER = 1 2 erfc ⁡ ( E b / However, if you are getting zero BER for no noise case, it points to a scaling error. This pattern causes the repeater to consume the maximum amount of power.

find() finds the index of elements which are different between ip and ipHat size() counts the number of elements which are reported by find() 2. edge computing Edge computing is an IT architecture in which raw data is processed as near to the data source as possible instead of being sent over the Internet to a Generated Sun, 02 Oct 2016 12:58:53 GMT by s_hv977 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.9/ Connection Bit Error Rate Calculator This can be directly translated into the number of errors that occur in a string of a stated number of bits.

Linux Containers Project Linux Containers is a project created to provide a distro- and vendor-neutral environment for the development of Linux container technologies. Bit Error Rate Measurement I will appreciate if you reply me soon. Reply Amjad January 10, 2010 at 7:06 am Dear Krishna, Can you little bit tell me how to simulate the Uncoded BER and ergodic capacity for webb channel using QPPM modulation. On the popup, set “Activation Mode” to Single, and now you may choose how you will limit the accumulation in the “Period” section.

The system model is as shown in the Figure below. Bit Error Rate Tester Software Your cache administrator is webmaster. In the following is the decimal version of EbNo getting multiplied with n, mean of the Gaussian noise? (of course then added with s, -1 or 1, depending on what was Generated Sun, 02 Oct 2016 12:58:53 GMT by s_hv977 (squid/3.5.20) ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://0.0.0.8/ Connection

Bit Error Rate Measurement

Thanks Reply Krishna Sankar November 12, 2009 at 5:39 am @Egerue: Change Eb_N0_dB Reply Egerue Nnamdi November 9, 2009 at 2:29 am Hi Krishna. Your cache administrator is webmaster. Acceptable Bit Error Rate Figure: Simplified block diagram with BPSK transmitter-receiver Channel Model The transmitted waveform gets corrupted by noise , typically referred to as Additive White Gaussian Noise (AWGN). Bit Error Rate Pdf Do you have any suggests.

Actually, I want to describe the relationship between BER and transmission distance for BPSK in AWGN channel. http://sovidi.com/bit-error/bit-error-rate-and-data-rate-relation.php NNAMDI Reply Krishna Sankar November 12, 2009 at 5:33 am @Egerue: You are right. Retrieved 2015-02-16. ^ Digital Communications, John Proakis, Massoud Salehi, McGraw-Hill Education, Nov 6, 2007 ^ "Keyboards and Covert Channels" by Gaurav Shah, Andres Molina, and Matt Blaze (2006?) This article incorporatespublic For that first I am trying to get probability of error rate vs snr of different modulation techniques. Bit Error Rate Tester

Do not use this code, use C model to do the simulation (will be faster) Reply phani November 23, 2012 at 1:51 pm Hi Sir… Can you Provide the matlab Thanks, Yushi Chen Reply Krishna Sankar March 21, 2012 at 4:52 am @Fargo: Thanks. Reply Krishna Sankar November 2, 2012 at 7:03 am @BALA MURTHY: Please check out post @ http://www.dsplog.com/category/mimo Reply Manoj October 31, 2012 at 3:21 am I need this in matlab news These include the optical driver, receiver, connectors and the fibre itself.

BPSK, QPSK, etc.) offer lower data rates but are more robust. Bit Error Rate Testing SQL (Structured Query Language) SQL, short for Structured Query Language, is a programming language for relational databases. Eb_N0_dB = [-3:10]; theoryBer = 0.5*erfc(sqrt(10.^(Eb_N0_dB/10))); % theoretical ber close all; figure; semilogy(Eb_N0_dB,theoryBer,'b.-'); Reply student November 10, 2009 at 9:03 pm Hi Krishna, I was working on a IEEE paper

Reply Krishna Sankar March 30, 2010 at 4:33 am @rekha: The BER performance of OFDM in AWGN is comparable to the no OFDM case.

Examples of simple channel models used in information theory are: Binary symmetric channel (used in analysis of decoding error probability in case of non-bursty bit errors on the transmission channel) Additive So I should be very grateful if you can help me with this. By reducing the bandwidth the level of interference can be reduced. Bit Error Rate Tester Agilent Looking at the dimensions of the ratio Eb/No all the dimensions cancel out to give a dimensionless ratio.

Most useful when stressing the repeater’s ALBO feature. moyeen Reply Krishna Sankar May 24, 2011 at 5:32 am @moyeen: You can refer to the post on BER for 16QAM with Gray coding http://www.dsplog.com/2008/06/05/16qam-bit-error-gray-mapping/ Reply Moyeen May 5, 2011 As you can see in Figure 2, we injected an Error at time 4 seconds by hitting the “Error Add” button. http://sovidi.com/bit-error/bit-error-rate-calculation-problem.php Reply Krishna Sankar August 2, 2010 at 5:46 am @weather: Thanks for noticing the typo in the comment.

Reply Krishna Sankar January 3, 2012 at 4:37 am @Kabir: Sorry, I do not have all those codes handy Reply Thiyagi December 30, 2011 at 11:25 am Gud morning Mr.Krishna In fact sir Krishna Pillai want to make noise variance equal to 1 or 0dB. Gaussian : The values of the noise follows the Gaussian probability distribution function, with and .