Change in osmo-gsm-manuals[master]: TRXD: reserve a combination for Access Bursts on PACCH

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fixeria gerrit-no-reply at lists.osmocom.org
Sat Feb 13 05:13:27 UTC 2021


fixeria has submitted this change. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/22617 )

Change subject: TRXD: reserve a combination for Access Bursts on PACCH
......................................................................

TRXD: reserve a combination for Access Bursts on PACCH

Change-Id: I84c68ab899aea2bbc013f98cb41082ab076308a5
Related: SYS#4895, OS#4941, OS#4006
---
M common/chapters/trx_if.adoc
1 file changed, 8 insertions(+), 1 deletion(-)

Approvals:
  Jenkins Builder: Verified
  fixeria: Looks good to me, approved
  pespin: Looks good to me, but someone else must approve
  laforge: Looks good to me, but someone else must approve



diff --git a/common/chapters/trx_if.adoc b/common/chapters/trx_if.adoc
index b223151..ce90948 100644
--- a/common/chapters/trx_if.adoc
+++ b/common/chapters/trx_if.adoc
@@ -482,7 +482,9 @@
 +-----------------+---------------------------------------+
 | . 0 1 0 X . . . | 8-PSK, 2 TS sets (0..1)               |
 +-----------------+---------------------------------------+
-| . 0 1 1 X . . . | RFU (Reserved for Future Use)         |
+| . 0 1 1 0 . . . | GMSK, Access Burst (see note)         |
++-----------------+---------------------------------------+
+| . 0 1 1 1 . . . | RFU (Reserved for Future Use)         |
 +-----------------+---------------------------------------+
 | . 1 0 0 X . . . | 16QAM, 2 TS sets (0..1)               |
 +-----------------+---------------------------------------+
@@ -492,6 +494,11 @@
 +-----------------+---------------------------------------+
 ----
 
+NOTE: A radio block on PDCH is carried by the sequence of four Normal Bursts.
+The one exception is a special radio block occasionally used on the Uplink
+consisting of a sequence of four Access Bursts (see 3GPP TS 44.060).  The
+transceiver shall use `0110` as the modulation type to indicate that.
+
 Training Sequence Code::
 The Training Sequence Code used to decode an Access or a Synchronization burst.
 This field hence doesn't apply for Normal bursts.

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Gerrit-Project: osmo-gsm-manuals
Gerrit-Branch: master
Gerrit-Change-Id: I84c68ab899aea2bbc013f98cb41082ab076308a5
Gerrit-Change-Number: 22617
Gerrit-PatchSet: 2
Gerrit-Owner: fixeria <vyanitskiy 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
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