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fixeria gerrit-no-reply at lists.osmocom.orgfixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/23744 ) Change subject: TRXD: rework description of the NOPE / IDLE frame indication ...................................................................... TRXD: rework description of the NOPE / IDLE frame indication * Add 'referred to as NOPE.ind', this is how we usueally call it; * Change 'IDLE / NOPE' to 'NOPE / IDLE', because: ** there can be 'IDLE TDMA frame', but not 'NOPE frame'; * Avoid using 'high' and 'low' terms for bit values. * Introduce and use macros for '0'B and '1'B. Change-Id: I72e0c785efb8a89b664486740ef312e77b81c01a Related: SYS#4895, OS#4941, OS#4006 --- M common/chapters/trx_if.adoc 1 file changed, 11 insertions(+), 6 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/44/23744/1 diff --git a/common/chapters/trx_if.adoc b/common/chapters/trx_if.adoc index a3a78ab..04da347 100644 --- a/common/chapters/trx_if.adoc +++ b/common/chapters/trx_if.adoc @@ -1,3 +1,7 @@ +// Common attributes (macros) used in this document +:bit-zero: '0\'B +:bit-one: '1\'B + [[trx_if]] == TRX Manager UDP socket interface @@ -504,7 +508,7 @@ +-----------------+---------------------------------------+ | 7 6 5 4 3 2 1 0 | bit numbers (value range) | +-----------------+---------------------------------------+ -| X . . . . . . . | IDLE / nope frame indication (0 or 1) | +| X . . . . . . . | NOPE / IDLE frame indication (0 or 1) | +-----------------+---------------------------------------+ | . X X X X . . . | Modulation, TS set number (see below) | +-----------------+---------------------------------------+ @@ -512,11 +516,12 @@ +-----------------+---------------------------------------+ ---- -IDLE / nope frame indication:: -The bit number 7 (MSB) is set to high when either nothing has been detected, so -the BTS scheduler keeps processing bursts without gaps, or during IDLE frames, -so the current noise levels can be delivered. Other bits are ignored, and should -be set to low (`0`) in this case. The field "Soft-bits" is omited. +NOPE / IDLE frame indication (referred to as NOPE.ind):: +The bit number 7 (MSB) shall be set to {bit-one} by the transceiver when either +nothing has been detected, so the BTS scheduler keeps processing bursts without +gaps, or during IDLE frames, so the current noise levels can be delivered. In +this case the remaining bits become meaningless and shall be set to {bit-zero}. +The payload (`Soft-bits` or `Hard-bits`) is omited. Modulation and TS set number:: GMSK has 4 sets of training sequences (see tables 5.2.3a-d), while 8-PSK (see -- To view, visit https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/23744 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-gsm-manuals Gerrit-Branch: master Gerrit-Change-Id: I72e0c785efb8a89b664486740ef312e77b81c01a Gerrit-Change-Number: 23744 Gerrit-PatchSet: 1 Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210414/6ae3331b/attachment.htm>