Padding patch and moving forward with EGPRS support/merge

Holger Freyther holger at freyther.de
Fri Mar 4 17:04:31 UTC 2016


> On 03 Mar 2016, at 14:40, Jacob Erlbeck <jacob01 at gmx.net> wrote:
> 
> Hi,
> 
> On 02.03.2016 20:14, Holger Freyther wrote:
>> * Jacob has not implemented compressed bitmaps in the DL TBF handling.
> 
> More precisely, compressed bitmaps (decoding) are supported for DL TBFs
> only, since it is required to decode them DL Ack/Nack if the window size
> is increased which makes sense with multiple PDCH.
> 
>> The reason
>> is because we want to avoid bufferbloat our windows don't really get
> that big and
>> it seems we didn't need it yet.
> 
> The reason for not implementing them for UL TBF ACK yet was the fact
> that we only support single slot only in that direction and that the
> imposed restriction won't probably hurt in most cases. We can still send
> URBB even if the window size were larger than 96, so there are only some
> cases with long runs of NACKs and very few ACKs which might suffer from
> a slightly increased latency.
> 
>> Now that you have built a tree based encoder, it
>> might make sense to include the encoder, add tests for the encoding,
> reason/explain
>> the performance and then hook the encoding in the DL ACK handling.
> 
> -> UL TBF ACK handling

thanks for the correction.





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