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Merge branch 'doc-kpi' into 'develop'

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Draft: doc(kpi): kpi for openairinterface code base

See merge request oai/openairinterface5g!4057
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Sagar Arora
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# 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](./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 |