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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/25607 ) Change subject: Fix MEAS parsing, as Ericsson RBS reports TA shifted by 2 bits. ...................................................................... Fix MEAS parsing, as Ericsson RBS reports TA shifted by 2 bits. This fixes call setup issues when more than ~1km from the tower. NOTE: We use the last reported TA from the UE in the CHANnel ACTIVation. When the UE is more than 1km from the tower, (unshifted) TA in the measurement report can be 8 or greater. Once we send TA of 8 in the CHAN ACTIV message, the lchan is unrecoverable. Change-Id: I1c9bd5bf2fd126e62bcbec419f3499d2e0465559 --- M src/osmo-bsc/abis_rsl.c 1 file changed, 3 insertions(+), 2 deletions(-) Approvals: laforge: Looks good to me, approved pespin: Looks good to me, but someone else must approve Jenkins Builder: Verified diff --git a/src/osmo-bsc/abis_rsl.c b/src/osmo-bsc/abis_rsl.c index c7399eb..fb8e386 100644 --- a/src/osmo-bsc/abis_rsl.c +++ b/src/osmo-bsc/abis_rsl.c @@ -1319,9 +1319,10 @@ if (val[0] & 0x04) mr->flags |= MEAS_REP_F_FPC; mr->ms_l1.ta = val[1]; - /* BS11 and Nokia reports TA shifted by 2 bits */ + /* BS11, Nokia and RBS report TA shifted by 2 bits */ if (msg->lchan->ts->trx->bts->type == GSM_BTS_TYPE_BS11 - || msg->lchan->ts->trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE) + || msg->lchan->ts->trx->bts->type == GSM_BTS_TYPE_NOKIA_SITE + || msg->lchan->ts->trx->bts->type == GSM_BTS_TYPE_RBS2000) mr->ms_l1.ta >>= 2; /* store TA for handover decision, and for intra-cell re-assignment */ mr->lchan->last_ta = mr->ms_l1.ta; -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/25607 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I1c9bd5bf2fd126e62bcbec419f3499d2e0465559 Gerrit-Change-Number: 25607 Gerrit-PatchSet: 2 Gerrit-Owner: keith <keith at rhizomatica.org> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210928/c3cf6687/attachment.htm>