fixeria has uploaded this change for review.
doc: add PDCH timing diagram illustrating UL/DL delay
Change-Id: I7d01c833b6b746d74e6ecd8c65c929a320a95d17
---
A doc/pdch_timing.txt
1 file changed, 24 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-gprs refs/changes/73/33673/1
diff --git a/doc/pdch_timing.txt b/doc/pdch_timing.txt
new file mode 100644
index 0000000..ade646a
--- /dev/null
+++ b/doc/pdch_timing.txt
@@ -0,0 +1,15 @@
+Assuming that PDCH is on TS1
+
+ | DL burst 1/4 | DL burst 2/4 | DL burst 3/4 | DL burst 4/4, our USF!
+ | | | |
+ |<----@------(Fn=0)------------>|<----@------(Fn=1)------------>|<----@------(Fn=2)------------>|<----@------(Fn=3)------------>|
+DL | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+UL | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
+ |<----@------(Fn=0)------------>|<----@------(Fn=1)------------>|<----@------(Fn=2)------------>|<----@------(Fn=3)------------>|<----@------(Fn=4)------------>|
+ | | | | | | |
+ | UL burst 1/4 | UL burst 2/4 | UL burst 3/4 | | UL burst 4/4 | | UL burst 1/4, Tx time!
+ | |
+ | |
+ |<------------------------------------->|
+ 10 * 0.577 ms = 5.77 ms
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