[Ns-developers] 802.11 CW growth

[Basim Javed]

hi

the code generate correct iterations:
 newCW = min(maxCW, 2 * (oldCW + 1) - 1) // = min(maxCW, 2 * oldCW + 1)

so make it
cw = 2*cw + 1;

regards

On Mon, Feb 23, 2009 at 11:14 AM, Timo Bingmann
<timo.bingmann at student.kit.edu> wrote:
> Hello guys,
>
> >From dcf-manager.cc:
> void
> DcfState::UpdateFailedCw (void)
> {
>  uint32_t cw = m_cw;
>  cw *= 2;
>  cw = std::min (m_cwMax, cw);
>  m_cw = cw;
> }
>
> Am I mistaken or is there a +1 missing here?
> I believe newCW = min(maxCW, 2 * (oldCW + 1) - 1)
> = min(maxCW, 2 * oldCW + 1)
>
> The usual CW sequence should be 7, 15, 31, 63, ...
>
> Greetings
> Timo
>
>