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laforge gerrit-no-reply at lists.osmocom.orglaforge has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/24608 ) Change subject: hodec2: don't apply AFS bias to same-cell lchans ...................................................................... Patch Set 1: Code-Review+1 (1 comment) https://gerrit.osmocom.org/c/osmo-bsc/+/24608/1//COMMIT_MSG Commit Message: https://gerrit.osmocom.org/c/osmo-bsc/+/24608/1//COMMIT_MSG@12 PS1, Line 12: - same-cell lchans obviously have identical rxlev; > last two times i asked myself the same questions, the answer was that the BCCH is only transmitted o […] you are all correct: * different TRX (== ARFCN in non-hopping case) can experience [slightly] different path loss as their frequency differs slightly, and the cable losses and antenna gain are slightly frequency dependent. But I would expect this to be less than 2dB, which is in any case the tolerance for errors in the UE measurement process. * neighbor channel measurements are always performed on the BCCH carrier (FCCH + SCH detection, optionally also BCCH decoding). So you will never get a measurement for anything != the BCCH carrying TRX, which is TRX0 in our case * different ARFCN definitely experience different interference and hence differen RxQual. Hoewver, there is no RxQual reporting of neighbors. And even if there was, it would be on TRX0==BCCH and not on other channels. -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/24608 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I315f24123ae016887ab91666870ce252e096f90f Gerrit-Change-Number: 24608 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Hoernchen <ewild at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de> Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-CC: dexter <pmaier at sysmocom.de> Gerrit-CC: pespin <pespin at sysmocom.de> Gerrit-Comment-Date: Thu, 10 Jun 2021 12:30:32 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: Yes Comment-In-Reply-To: neels <nhofmeyr at sysmocom.de> Comment-In-Reply-To: pespin <pespin at sysmocom.de> Comment-In-Reply-To: dexter <pmaier at sysmocom.de> Gerrit-MessageType: comment -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210610/c38f1047/attachment.htm>