Bug 2495

Summary:	HtMcs configuration if 11ac standard is configured
Product:	ns-3	Reporter:	Tom Henderson <tomh>
Component:	wifi	Assignee:	sebastien.deronne
Status:	RESOLVED INVALID
Severity:	enhancement	CC:	ns-bugs
Priority:	P5
Version:	unspecified
Hardware:	All
OS:	All
Attachments:	test program

Description Tom Henderson 2016-09-08 14:27:36 UTC

This is a reminder to look into an issue reported by a user:

For ConstantRateWifiManager,saying HtMcs7 resulted in (MCS 7) VHT PPDUs if the
.SetStandard was VHT, rather than HT PPDUs.

Comment 1 Tom Henderson 2016-09-12 18:41:01 UTC

Created attachment 2578 [details]
test program

I'm not sure about the reported problem.  Attached program configures an 11ac BSS and sets the data rate to HtMcs7.  I observe single MPDUs as non-aggregate.  If I change to:
  StringValue DataRate = StringValue ("VhtMcs7");
I observe VHT single MPDUs within an A-MPDU.

Comment 2 sebastien.deronne 2016-10-02 11:13:14 UTC

Running the attached script with ns-3-dev works fine, I see HT PPDUs being sent as expected. Bug should be rejected...

Comment 3 sebastien.deronne 2016-10-02 11:17:28 UTC

(In reply to Tom Henderson from comment #1)
> Created attachment 2578 [details]
> test program
> 
> I'm not sure about the reported problem.  Attached program configures an
> 11ac BSS and sets the data rate to HtMcs7.  I observe single MPDUs as
> non-aggregate.  If I change to:
>   StringValue DataRate = StringValue ("VhtMcs7");
> I observe VHT single MPDUs within an A-MPDU.

This looks like the expected behavior, aggregation is not used since there is always maximum one packet in the queue during the simulation.

Comment 4 sebastien.deronne 2016-10-05 16:21:43 UTC

Bug rejected, script behaves as expected