openairinterface5g/doc/kpi.md

Key Performance Indicators for the OpenAirInterface Code Base

This document summarizes the main throughput KPIs

1. nr-softmodem Performance in oai-gNB and oai-gNB-du Modes for FR1 bands

Test Profile

The following results apply to the TDD configuration below:

Parameter	Value
Band	n78/n77
SCS	30 kHz
DL test TDD Pattern	DDDSU, 2.5ms 10D2U
UL test TDD Pattern	DDSUU, 2.5ms, 64D4U

KPI

Configuration: DDDSU, mixed slot 6D4U

Bandwidth MHz/PRB	Layers	DL Throughput (Mbps)	UL Throughput (Mbps)
20(51)	1	72	39
	2	143	65
	4	258	X
40(106)	1	152	81
	2	304	154
	4	550	X
60(162)	1	233	123
	2	466	175
	4	730	X
80(217)	1	310	80
	2	622	140
	4	x	X
100(273)	1	X	X
	2	X	X
	4	1400	X

2. nr-softmodem Performance in oai-gNB and oai-gNB-du Modes for FR2 bands

Test Profile

The following results apply to the TDD configuration below:

Parameter	Value
Band	257
SCS	120 kHz
DL test TDD Pattern	DDDSU, 0.625ms, 10D2U
UL test TDD Pattern	DDDSU, 0.625ms, 64D4U

KPI

Radio Unit: MicroAmp

Bandwidth MHz/PRB	Layers	DL Throughput (Mbps)	UL Throughput (Mbps)
200(132)	1	500	86
	2	890	x

Round trip time (measured using ping): 4.526 ms

With ulsch_max_frame_inactivity= 0;

3. Performance Metrics for OAI Block Tests

3.1 Physical Simulators (physims)

For execution details, see physical-simulators.md.

Results:

3.2 phytest

Needs to update

4. nr-uesoftmodem

Test Profile

The following results apply to the TDD configuration below:

Parameter	Value
Band	n78/n77
SCS	30 kHz
QAM	64

The UE was in SISO mode.

Testbed Architecture:

UE <--> Over the Air 1.5m to 2m distance <--> USRP/RU <--> gNB/DU server

Platform	UE-Radio	Bandwidth	DL Throughput	UL Throughput
Jetson Orin	B210	10 MHz	12 Mbps	7.5 Mbps
Jetson Orin	B210	20 MHz	20 Mbps	9.5 Mbps
Jetson Orin	B210	30 MHz	61 Mbps	33 Mbps
Jetson Orin	B210	40 MHz	69 Mbps	46 Mbps
DGX Spark	B210	40 MHz	86 Mbps	46 Mbps
DGX Spark	N310/x410	100 MHz	231 Mbps	118 Mbps