diff --git a/doc/SW_archi.md b/doc/SW_archi.md
index 78004a5a74..7488aef33a 100644
--- a/doc/SW_archi.md
+++ b/doc/SW_archi.md
@@ -1,21 +1,3 @@
-
```mermaid
flowchart TB
@@ -83,7 +65,6 @@ end
```
This tuto for 5G gNB design, with Open Cells main
-{: .text-center}
# The main thread is in ru_thread()
The infinite loop:
@@ -97,10 +78,10 @@ The infinite loop:
(each sample has a incremental number representing a very accurate timing)
raw incoming data is in buffer called "rxdata"
We derivate frame number, slot number, ... from the RX timestamp
-{: .func2}
+
## gNB_top()
-only compute frame numbre, slot number, ...
-{: .func3}
+only compute frame number, slot number, ...
+
## ocp_rxtx()
main processing for both UL and DL
start by calling oai_subframe_ind() that trigger processing in pnf_p7_subframe_ind() purpose ???
@@ -110,90 +91,87 @@ but not actual coherency (see below handle_nr_rach() assumes data is up-to-date)
The first part (in NR_UL_indication, uses the data computed by the lower part (phy_procedures_gNB_uespec_RX), but for the **previous** slot
Then, phy_procedures_gNB_uespec_RX will hereafter replace the data for the next run
This is very tricky and not thread safe at all.
-{: .func3}
+
### NR_UL_indication()
This block processes data already decoded and stored in structures behind UL_INFO
-{: .func4}
+
* handle_nr_rach()
process data from RACH primary detection
if the input is a UE RACH detection
-{: .func4}
+
* nr_schedule_msg2()
-{: .func4}
+
* handle_nr_uci()
handles uplink control information, i.e., for the moment HARQ feedback.
-{: .func4}
+
* handle_nr_ulsch()
handles ulsch data prepared by nr_fill_indication()
-{: .func4}
+
* gNB_dlsch_ulsch_scheduler ()
the **scheduler** is called here, see dedicated chapter
-{: .func4}
+
* NR_Schedule_response()
process as per the scheduler decided
-{: .func4}
+
### L1_nr_prach_procedures()
????
-{: .func4}
### phy_procedures_gNB_uespec_RX()
* nr_decode_pucch0()
actual CCH channel decoding form rxdataF (rx data in frequency domain)
populates UL_INFO.uci_ind, actual uci data is in gNB->pucch
-{: .func4}
+
* nr_rx_pusch()
-{: .func4}
+
* extracts data from rxdataF (frequency transformed received data)
-{: .func4}
+
* nr_pusch_channel_estimation()
-{: .func4}
+
* nr_ulsch_extract_rbs_single()
-{: .func4}
+
* nr_scale_channel()
-{: .func4}
+
* nr_ulsch_channel_level()
-{: .func4}
+
* nr_ulsch_channel_compensation()
-{: .func4}
+
* nr_ulsch_compute_llr()
this function creates the "likelyhood ratios"
-{: .func4}
+
* nr_ulsch_procedures()
-{: .func4}
+
* actual ULsch decoding
-{: .func4}
+
* nr_ulsch_unscrambling()
- {: .func4}
+
* nr_ulsch_decoding()
- {: .func4}
+
* nr_fill_indication()
populate the data for the next call to "NR_UL_indication()"
it would be better to call **NR_UL_indication()** now instead of before (on previous slot)
-{: .func4}
+
### phy_procedures_gNB_TX()
* nr_common_signal_procedures()
generate common signals
-{: .func4}
+
* nr_generate_dci()
generate DCI: the scheduling informtion for each UE in both DL and UL
-{: .func4}
+
* nr_generate_pdsch()
generate DL shared channel (user data)
-{: .func4}
+
### nr_feptx_prec()
tx precoding
-{: .func3}
### nr_feptx0
do the inverse DFT
-{: .func3}
### tx_rf()
send radio signal samples to the RF board
the samples numbers are the future time for these samples emission on-air
-{: .func3}
+
# Scheduler
@@ -483,12 +461,5 @@ NGAP would be a itti thread as is S1AP (+twin thread SCTP that is almost void pr
About all messages are exchanged with RRC thread
-