From ede6098381ed8d2130defe76d829a1230d3297e8 Mon Sep 17 00:00:00 2001 From: Vadim Yanitskiy Date: Mon, 11 Jan 2021 02:33:25 +0100 Subject: TRXD: reserve a combination for Access Bursts on PACCH Change-Id: I84c68ab899aea2bbc013f98cb41082ab076308a5 Related: SYS#4895, OS#4941, OS#4006 --- common/chapters/trx_if.adoc | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) 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 @@ also have several synchronization sequences. +-----------------+---------------------------------------+ | . 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 @@ also have several synchronization sequences. +-----------------+---------------------------------------+ ---- +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. -- cgit v1.2.3