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Re: Does anybody have Octave code to draw Rayleigh fading envelope?


From: Steve Thompson
Subject: Re: Does anybody have Octave code to draw Rayleigh fading envelope?
Date: Thu, 2 Oct 2008 07:33:59 -0700

Is this what you mean?

  envelope_variance = 1;
  r = linspace (0, 3, 100);
  rayleigh_pdf = 2 * r / envelope_variance ...
    .* exp (-r.^2 / envelope_variance);
  plot (r, rayleigh_pdf)

http://en.wikipedia.org/wiki/Rayleigh_fading

???

Steve

On Wed, Oct 1, 2008 at 8:29 PM, Illidan Modeler
<address@hidden> wrote:
> Thanks for your reply.
>
> There are a number of papers and scripts that deal with BER-SNR curve.
> But I need to compute amplitude-time curve, as given in a paper by J.
> I. Smith in 1975, with the title "a computer generated multipath
> fading simulation". This
> paper even gives listing of source code. But it's not Matlab/Octave
> code (seems like Fortran that I don't read).
>
> On Thu, Oct 2, 2008 at 5:22 AM, David Bateman <address@hidden> wrote:
>> Illidan Modeler wrote:
>>>
>>> Hi List,
>>>
>>> I did get from mathworks.com some pieces of code . Those code snippets
>>> only draw BER curve. But I need to draw the envelope. Would anybody
>>> share that kind of code?
>>>
>>
>> What do you mean by "the envelope"? The only things that makes sense in the
>> context you discuss are BER/PER/FER against one of SNR/EbNo/Range....
>>
>> D.
>>
>> --
>> David Bateman                                address@hidden
>> 35 rue Gambetta                              +33 1 46 04 02 18 (Home)
>> 92100 Boulogne-Billancourt FRANCE            +33 6 72 01 06 33 (Mob)
>>
>
>
>
> --
> Northern Capital, the Republic of Pandaria
> http://illidan.cublog.cn
>
>
>
> --
> Northern Capital, the Republic of Pandaria
> http://illidan.cublog.cn
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