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35 lines
1.4 KiB
35 lines
1.4 KiB
* Change functions with 100 parameters to get a struct as param
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* Move move into the TBF class
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* tbf/llc window code appears to be duplicated and nested in other
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methods. This needs to be cleaned.
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* Possible race condition:
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When scheduling a Downlink Assignment on the UL-TBF we need to make
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sure that the assignment is sent _before_ the final ack. With my fairness
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changes it gets more likely that this event is trigerred.
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* Optimize:
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After receiving an ACK/NACK.. schedule another one if the window
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is kind of stalled anyway. This way we avoid resending frames that
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might have already arrived. It could increase the throughput..
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Do not re-transmit after we got ack/nacked and where in the resending
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mode... and increase the window.
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<0004> tbf.cpp:907 - Sending new block at BSN 111
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...
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tbf.cpp:858 - Restarting at BSN 48, because all window is stalled.
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...
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tbf.cpp:1383 - V(B): (V(A)=59)"NNAAAAAAANAAAAANNAAAAAAAAAAAAAAAAAAAXXXXXXXXXXXXXXXXX"(V(S)-1=111) A=Acked N=Nacked U=Unacked X=Resend-Unacked I=Invalid
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.. retransmitting the nacked.. and then the ones that migh have
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already arrived
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<0004> tbf.cpp:834 TBF(TFI=0 TLLI=0xd7b78810 DIR=DL) downlink (V(A)==59 .. V(S)==112)
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<0004> tbf.cpp:840 - Resending BSN 111
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Figure out scheduling issue. Why do we reach the 20 re-transmits and
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stil haven't received the ACK/NACK? was it scheduled? The whole
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scheduler could be re-worked to be more determestic.. and answer
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questions like if it has been sent or not
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