This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.
Vadim Yanitskiy gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/7004 fake_trx/burst_fwd.py: FIX: apply TA value correctly If field randomization is disabled, Timing Advance value indicated by MS would be ignored. Let's fix this by separating the TA calculation code. Change-Id: If43d5823fc33efc2f1649ea941ab6f619bb6f5e7 --- M src/target/fake_trx/burst_fwd.py 1 file changed, 6 insertions(+), 4 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/04/7004/1 diff --git a/src/target/fake_trx/burst_fwd.py b/src/target/fake_trx/burst_fwd.py index d059e13..9f0f84f 100644 --- a/src/target/fake_trx/burst_fwd.py +++ b/src/target/fake_trx/burst_fwd.py @@ -70,6 +70,11 @@ self.bts_link = bts_link self.bb_link = bb_link + # Converts TA value from symbols to + # units of 1/256 of GSM symbol periods + def calc_ta256(self): + return self.ta * 256 + # Calculates a random ToA value for Downlink bursts def calc_dl_toa256(self): # Check if randomization is required @@ -97,10 +102,6 @@ # Generate a random ToA value toa256 = random.randint(toa256_min, toa256_max) - - # Apply TA value indicated by MS - ta256 = self.ta * 256 - toa256 -= ta256 return toa256 @@ -149,6 +150,7 @@ msg_trx2l1.rssi = self.calc_dl_rssi() else: msg_trx2l1.toa256 = self.calc_ul_toa256() + msg_trx2l1.toa256 -= self.calc_ta256() msg_trx2l1.rssi = self.calc_ul_rssi() return msg_trx2l1 -- To view, visit https://gerrit.osmocom.org/7004 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: If43d5823fc33efc2f1649ea941ab6f619bb6f5e7 Gerrit-PatchSet: 1 Gerrit-Project: osmocom-bb Gerrit-Branch: fixeria/trx Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>