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laforge gerrit-no-reply at lists.osmocom.orglaforge has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/21184 ) Change subject: rsl.adoc: update documentation for RSL_IE_OSMO_REP_ACCH_CAP ...................................................................... rsl.adoc: update documentation for RSL_IE_OSMO_REP_ACCH_CAP The recently added IE (RSL_IE_OSMO_REP_ACCH_CAP) has been extended with more options, update the documentation as well. Change-Id: I3d95da588e863185bb62e92898c285d52bce9af4 Related: SYS#5114, OS#4796, OS#4794, OS#4795 --- M doc/manuals/abis/rsl.adoc 1 file changed, 20 insertions(+), 4 deletions(-) Approvals: Jenkins Builder: Verified pespin: Looks good to me, but someone else must approve fixeria: Looks good to me, approved diff --git a/doc/manuals/abis/rsl.adoc b/doc/manuals/abis/rsl.adoc index 8843a74..35fda31 100644 --- a/doc/manuals/abis/rsl.adoc +++ b/doc/manuals/abis/rsl.adoc @@ -958,10 +958,26 @@ ==== RSL_IE_OSMO_REP_ACCH_CAP This is a one byte length TLV IE that is used to enable or disable repeated ACCH -capabilities on the BTS side during Channel Activation and Mode Modify. If the -IE is present and its value byte is set to 0x01, then the BTS will enable -repeated ACCH capabilities, otherwise the channel is activated without repeated -ACCH capabilities present. +capabilities on the BTS side during Channel Activation and Mode Modify. + +The IE contains a bitfield in the lower nibble in order to set the ACCH repetition +policy for each of the two channel types individually. Depending on the state of the +bits (see table below) the ACCH repetition mode is either enabled or disabled completely. + +The lower 3 bit of the higher nibble are used to signal an RXQUAL threshold to set the +BER on which UL-SACCH or DL-FACCH repetition shall be turned on. If the field is set +to 0, then UL-SACCH and DL-FACCH will be always on. DL-FACCH will also be turned on +automatically as soon as the MS requests a DL-SACCH repetition. + +If the IE is not present, then ACCH repetition completely is disabled. + +[options="header"] +|=== +| *bit* | 7 | 6 - 4 | 3 | 2 | 1 | 0 +| byte at offset 0 | 0 | RXQUAL | UL-SACCH | DL-SACCH | DL-FACCH/ALL | DL-FACCH/CMD +|=== + +(Bits 7 is reserved for future use and must be set to zero.) === A-bis RSL Initialization / BTS bring-up -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/21184 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: I3d95da588e863185bb62e92898c285d52bce9af4 Gerrit-Change-Number: 21184 Gerrit-PatchSet: 5 Gerrit-Owner: dexter <pmaier at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de> 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/20201201/1bf8dd7a/attachment.htm>