[PATCH] osmo-gsm-manuals[master]: rtp-amr.adoc: New TCH/AHS downlink chapters

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Max gerrit-no-reply at lists.osmocom.org
Wed Nov 2 15:36:52 UTC 2016 

Review at  https://gerrit.osmocom.org/1189

rtp-amr.adoc: New TCH/AHS downlink chapters

Nutaq contributed the following chapters:
* TCH/AHS Downlink: FACCH/H During DTX Operation
* TCH/AHS Downlink: Inhibited SID_UPDATE
* TCH/AHS Downlink: Inhibited SID_FIRST_P1

Change-Id: I55d8e9f98694b39514d1f31c517a80050103fdd6
---
M OsmoBTS/abis/rtp-amr.adoc
1 file changed, 110 insertions(+), 6 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/89/1189/1

diff --git a/OsmoBTS/abis/rtp-amr.adoc b/OsmoBTS/abis/rtp-amr.adoc
index f9f20b0..ef00aeb 100644
--- a/OsmoBTS/abis/rtp-amr.adoc
+++ b/OsmoBTS/abis/rtp-amr.adoc
@@ -1076,18 +1076,122 @@
 
 	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1) MARKER=1"];
 	phy => bts	[label="PH-RTS.ind (TCH)"];
-	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_Onset", id="DLOS2"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_Onset"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N)"];
 	ms <= phy	[label="L1 burst (sub-block 3 of SID_ONSET + sub-block 1 of speech frame N)"];
 	ms <= phy	[label="L1 burst (sub-block 4 of SID_ONSET + sub-block 2 of speech frame N)"];
 	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1)"];
 	phy => bts	[label="PH-RTS.ind (TCH)"];
-	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N+1)"];
 	ms <= phy	[label="L1 burst (sub-block 3 of speech frame N + sub-block 1 of speech frame N+1)"];
 	ms <= phy	[label="L1 burst (sub-block 4 of speech frame N + sub-block 2 of speech frame N+1)"];
 }
 ----
 
-DLOS2:: The SID_ONSET and the first voice frame are sent in the same
-block of four radio busts.  Hence, the BTS must be able ot to send
-actual codec payload along with the GsmL1_TchPlType_Amr_Onset
-primitive.
+==== TCH/AHS Downlink: Inhibited SID_FIRST_P1
+
+The following procedure must be observed in case of a SID_FIRST must be inhibited.
+
+["mscgen"]
+----
+msc {
+	hscale = 2;
+	ms [label="MS"], phy [label="BTS-PHY"], bts [label="BTS"], mgw [label="MGW"];
+
+	...;
+	---		[label="Inhibited SID_FIRST_P1"];
+
+	bts <= mgw	[label="RTP (AMR FT=SID,Q=1)"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_SidFirstP1"];
+	ms <= phy	[label="L1 burst (sub-block 3 of speech frame N-1 + sub-block 1 of SID_FIRST_P1)"];
+	ms <= phy	[label="L1 burst (sub-block 4 of speech frame N-1 + sub-block 2 of SID_FIRST_P1)"];
+
+	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1) MARKER=1"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_SidFirstInh"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N)"];
+	ms <= phy	[label="L1 burst (block 1 of SID_FIRST_INH, sub-block 1 of speech frame N)"];
+	ms <= phy	[label="L1 burst (block 2 of SID_FIRST_INH, sub-block 2 of speech frame N)"];
+
+	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1)"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N+1)"];
+	ms <= phy	[label="L1 burst (sub-block 3 of speech frame N + sub-block 1 of speech frame N+1)"];
+	ms <= phy	[label="L1 burst (sub-block 4 of speech frame N + sub-block 2 of speech frame N+1)"];
+}
+----
+
+==== TCH/AHS Downlink: Inhibited SID_UPDATE
+
+The following procedure must be observed in case of a SID_UPDATE must be inhibited.
+
+["mscgen"]
+----
+msc {
+	hscale = 2;
+	ms [label="MS"], phy [label="BTS-PHY"], bts [label="BTS"], mgw [label="MGW"];
+
+	...;
+	---		[label="Inhibited SID_UPDATE"];
+
+	bts <= mgw	[label="RTP (AMR FT=SID,Q=1)"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	bts => phy	[label="PH-DATA.req GsmL1_TchPlType_Amr (SID_UPDATE)"];
+	ms <= phy	[label="L1 burst (sub-block 1+2 of SID_UPDATE)"];
+	ms <= phy	[label="L1 burst (sub-block 3+4 of SID_UPDATE)"];
+
+	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1) MARKER=1"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_SidUpdateInh"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N)"];
+	ms <= phy	[label="L1 burst (block 1 of SID_UPDATE_INH, sub-block 1 of speech frame N)"];
+	ms <= phy	[label="L1 burst (block 2 of SID_UPDATE_INH, sub-block 2 of speech frame N)"];
+
+	bts <= mgw	[label="RTP (AMR FT=0..7,Q=1)"];
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr (N+1)"];
+	ms <= phy	[label="L1 burst (sub-block 3 of speech frame N + sub-block 1 of speech frame N+1)"];
+	ms <= phy	[label="L1 burst (sub-block 4 of speech frame N + sub-block 2 of speech frame N+1)"];
+}
+----
+
+==== TCH/AHS Downlink: FACCH/H During DTX Operation
+
+The following procedure must be observed in case of a FACCH/H frame must be inserted during DTX operation.
+
+["mscgen"]
+----
+msc {
+	hscale = 2;
+	ms [label="MS"], phy [label="BTS-PHY"], bts [label="BTS"], mgw [label="MGW"];
+
+	...;
+	---		[label="FACCH/H During DTX Operation"];
+
+	bts <= mgw	[label="FACCH/H"];
+	phy => bts	[label="PH-RTS.ind (FACCH/H)"];
+	phy => bts	[label="PH-RTS.ind (TCH/H)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_Onset"];
+	phy <= bts	[label="PH-DATA.req FACCH/H"];
+	ms <= phy	[label="L1 burst (block 1 of SID_ONSET, sub-block 1 of FACCH/H frame)"];
+	ms <= phy	[label="L1 burst (block 2 of SID_ONSET, sub-block 2 of FACCH/H frame)"];
+
+	phy => bts	[label="PH-RTS.ind (TCH/H)"];
+	phy <= bts	[label="PH-EMPTY-FRAME.req"];
+	ms <= phy	[label="L1 burst (sub-block 3+4 of FACCH/H frame)"];
+	ms <= phy	[label="L1 burst (sub-block 5+6 of FACCH/H frame)"];
+
+	phy => bts	[label="PH-RTS.ind (FACCH/H)"];
+	phy => bts	[label="PH-RTS.ind (TCH/H)"];
+	phy <= bts	[label="PH-EMPTY-FRAME.req (FACCH/H)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_SidFirstP1"];
+	ms <= phy	[label="L1 burst (sub-block 7 of FACCH/H frame + sub-block 1 of SID_FIRST_P1)"];
+	ms <= phy	[label="L1 burst (sub-block 8 of FACCH/H frame + sub-block 2 of SID_FIRST_P1)"];
+
+	phy => bts	[label="PH-RTS.ind (TCH)"];
+	phy <= bts	[label="PH-DATA.req GsmL1_TchPlType_Amr_SidFirstP2"];
+	ms <= phy	[label="L1 burst (sub-block 3 of SID_FIRST_P1, sub-block 1 of SID_FIRST_P2)"];
+	ms <= phy	[label="L1 burst (sub-block 4 of SID_FIRST_P1, sub-block 2 of SID_FIRST_P2)"];
+}
+----

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I55d8e9f98694b39514d1f31c517a80050103fdd6
Gerrit-PatchSet: 1
Gerrit-Project: osmo-gsm-manuals
Gerrit-Branch: master
Gerrit-Owner: Max <msuraev at sysmocom.de>

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