5G NR

PRACH Test Preambles Config Update for 38.141-2 v17.10.0

This update is based on 38.141-2 (v17.10.0) from Table A.6-3 to Table A.6-8.

The previous version supported Table A.6-1 and Table A.6-2, based on the Bandwidth setting. In this update, the Mode setting and L_RA setting (Table A.6-8 only) are added to the PRACH Test Preambles Config dialog.

All tables are shown below.

FR1 uses Table A.6-1, Table A.6-3, Table A.6-4, and Table A.6-5.

FR2 uses Table A.6-2, Table A.6-7, and Table A.6-8.

L_RA settings are coupled, based on Numerology and SCS for PRACH settings.

Table A.6-1 Test preambles for Normal Mode in FR1
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
A1, A2, A3, B4, C0, C2	1.25	13	22	32
	15	23	0	0
	30	46	0	0

Table A.6-2 Test preambles for Normal Mode in FR2
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
A1, A2, A3, B4, C0, C2	60	69	0	0
A1, A2, A3, B4, C0, C2	120	69	0	0

Table A.6-3 Test preambles for high speed train restricted set type A
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
0	1.25	15	384	0

Table A.6-4 Test preambles for high speed train restricted set type B
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
0	1.25	15	30	30

Table A.6-5 Test preambles for high speed train short formats in FR1
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
A2, B4, C2	15	23	0	0
A2, B4, C2	30	46	0	0

Table A.6-6 Test preambles for PRACH with L_RA=1151 and L_RA=571
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
A2, B4, C2	15	164	0	0
A2, B4, C2	30	190	0	0

Table A.6-7 Test preambles for high speed train short formats in FR2
Burst format	SCS (kHz)	Ncs	Logical sequence index	v
C2	120	0	0	0

Table A.6-8 Test preambles for PRACH with L_RA=139, L_RA=571, and L_RA=1151 for 120 kHz and 480 kHz SCS
Burst format	SCS (kHz)	L_RA	Ncs
A2, B4, C2	120	571	285
	120	1151	575
	480	139	69
	480	571	285