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Holger Freyther holger at freyther.de> 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.