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pespin gerrit-no-reply at lists.osmocom.orgpespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/15970 ) Change subject: rsl: Assign recv pwr to lchan's max ms power ...................................................................... Patch Set 1: (1 comment) https://gerrit.osmocom.org/c/osmo-bts/+/15970/1//COMMIT_MSG Commit Message: https://gerrit.osmocom.org/c/osmo-bts/+/15970/1//COMMIT_MSG@7 PS1, Line 7: rsl: Assign recv pwr to lchan's max ms power > Maybe I lack the background here, but why does it help to use the receive power as ms max power? So […] It's explained in the spec explained above: "Based on the measurements performed on the uplink, TRX then attempts to keep the power control parameters within the limits set by the MS POWER CONTROL message" In our case the BSC is not managing the power loop, but the BTS does it (because we don't implement that in BSC, and we tell the BTs to do it by sending the "MS Power Parameters" IE in "MS Power Control" and "Channel Activate" messages in RSL. So based on signal strength rceived from the MS, the BTS freely decides to adjust the "MS Power" over time in downlink L1 SACCH header sent to the MS. Still, it should attatch to restrictions told by the BSC. The BSC can for instance request a smaller output power due to policy configuration (VTY "ms max power") or because it detected the MS is not capable of more power (thanks to power class available from MS classmark1 and 2). -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/15970 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: I0583eef477c33279ee5bfcda80141f365413a276 Gerrit-Change-Number: 15970 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: dexter <pmaier at sysmocom.de> Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-Comment-Date: Wed, 06 Nov 2019 12:02:17 +0000 Gerrit-HasComments: Yes Gerrit-Has-Labels: No 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/20191106/bb204039/attachment.htm>