Bug 1300

Summary:	HalfDuplexIdalPhy does not tell SpectrumInterference when AbortRx happens
Product:	ns-3	Reporter:	Nicola Baldo <nicola>
Component:	spectrum	Assignee:	Nicola Baldo <nicola>
Status:	RESOLVED FIXED
Severity:	normal	CC:	andreev, ns-bugs
Priority:	P5
Version:	ns-3-dev
Hardware:	All
OS:	All
Attachments:	Proposed fix

Description Nicola Baldo 2011-11-21 12:25:17 UTC

On 11/18/2011 05:22 PM, Kirill And wrote:
> Hi all!
> 
> 
> I have observed the following:
> 
> HalfDuplexIdalPhy does not tell anything to SpectrumInterference when
> AbortRx happens.
> 
> After this the following may happen:
> 1. SpectrumInterference is still in RX state
> 2. The next time ConditionallyEvaluateChunk is invoked,
> m_allSignals, m_rxSignal are not meaningful, and the following line
> in SpectrumInterference::ConditionallyEvaluateChunk () method:
>         SpectrumValue sinr = (*m_rxSignal) / ((*m_allSignals) -
> (*m_rxSignal) + (*m_noise));
> may give a strange result.
> 
> Am I right?
> 
> Maybe add m_interference.AbortRx () each time we really abort receiving a
> signal?
>

Comment 1 Nicola Baldo 2011-11-21 12:41:14 UTC


Hi Kirill, 

I agree with your proposal of adding a SpectrumInterference::AbortRx () method. Could you please provide a patch?

Comment 2 Kirill Andreev 2011-11-21 15:12:20 UTC

Created attachment 1272 [details]
Proposed fix

Sorry that did not send with my first mail.

Comment 3 Nicola Baldo 2011-11-22 10:27:03 UTC

Thanks Kirill! I agree with the proposed patch. Feel free to push it at your earliest convenience.

Comment 4 Kirill Andreev 2011-11-23 11:11:57 UTC

Fixed. Changeset 967156fc3b7f