maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix utf-ascii problem and clamp text to 80 columns

Browse Source
This commit is contained in:
Cedric Roux
2026-01-05 16:11:12 +01:00
parent 9b0bb594f0
commit a1712ce774
1 changed files with 19 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
doc/handover-tutorial.md
+19 -13
View File
@@ -209,8 +209,8 @@ instead of waiting for UE measurement report.)
Our CI setup consists of: Our CI setup consists of:
- 2 USRPs B210 that are synchronized by connecting them to an Octoclock over - 2 USRPs B210 that are synchronized by connecting them to an Octoclock over
10MHz refrence and a PPS signal. The RU hosts are synchronized via NTP. 10MHz refrence and a PPS signal. The RU hosts are synchronized via NTP.
- Mini-Circuits RC4DAT-6G-60 programmable attenuator. To control the digital attenuator, - Mini-Circuits RC4DAT-6G-60 programmable attenuator. To control the digital
a Python script was developed `ci-scripts/attenuatorctl.py`. attenuator, a Python script was developed `ci-scripts/attenuatorctl.py`.
- Quectel RM520 as a UE. - Quectel RM520 as a UE.
- The setup is run using Docker `ci-scripts/yaml_files/5g_sa_f1_b210_ho`. - The setup is run using Docker `ci-scripts/yaml_files/5g_sa_f1_b210_ho`.
@@ -328,7 +328,8 @@ nr_measurement_configuration = {
}; };
``` ```
`@include` this configuration file inside the gNB section of CU file as shown below. `@include` this configuration file inside the gNB section of CU file as shown
below.
``` ```
plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1, sd = 0xffffff })}); plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1, sd = 0xffffff })});
@@ -390,7 +391,7 @@ are as follows:
on UTC time or a timer-based solution, which can also be applied jointly (or on UTC time or a timer-based solution, which can also be applied jointly (or
not) with another trigger as the measurement-based trigger. The timer-based not) with another trigger as the measurement-based trigger. The timer-based
handover trigger considers the deterministic satellite movement to predict handover trigger considers the deterministic satellite movement to predict
the time duration for which the satellite’s footprint covers a certain zone. the time duration for which the satellite's footprint covers a certain zone.
- **Timing advance value-based triggering**: This method uses the timing - **Timing advance value-based triggering**: This method uses the timing
advance value (independently or jointly with another trigger) to trigger a advance value (independently or jointly with another trigger) to trigger a
@@ -432,14 +433,14 @@ We assume:
* Two independent gNBs connected to the same 5GC via N2 interface. * Two independent gNBs connected to the same 5GC via N2 interface.
* A UE initially connected to gNB-PCI0, which will be handed over to gNB-PCI1. * A UE initially connected to gNB-PCI0, which will be handed over to gNB-PCI1.
* Handover is triggered by either a decision based measurement event (e.g. A3) or * Handover is triggered by either a decision based measurement event (e.g. A3)
telnet command. or telnet command.
## Steps to run N2 handover with OAI UE ## Steps to run N2 handover with OAI UE
**Note for same-machine setup:** When running both gNBs on the same machine, **Note for same-machine setup:** When running both gNBs on the same machine,
you need to assign a unique IP address to the second gNB to avoid network conflicts. you need to assign a unique IP address to the second gNB to avoid network
For example: conflicts. For example:
```sh ```sh
sudo ip addr add 192.168.71.180/24 dev rfsim5g-public sudo ip addr add 192.168.71.180/24 dev rfsim5g-public
@@ -490,15 +491,20 @@ From gNB-PCI0, trigger handover on target gNB with PCI 1 for UE ID 1:
```sh ```sh
echo ci trigger_n2_ho 1,1 | nc 127.0.0.1 9090 && echo echo ci trigger_n2_ho 1,1 | nc 127.0.0.1 9090 && echo
``` ```
where the input parameters correspond to the PCI of the neighbour cell and the RRC ID of the UE. where the input parameters correspond to the PCI of the neighbor cell and the
RRC ID of the UE.
This will initiate the N2 handover on the source gNB. This will initiate the N2 handover on the source gNB.
## Neighbour list and measurement configuration ## Neighbour list and measurement configuration
Make sure the configuration file contains a neighbour list and measurement configuration, e.g. [neighbour-config-rfsim.conf](../../ci-scripts/conf_files/neighbour-config.conf). Make sure the configuration file contains a neighbour list and measurement
This configuration can also be present in a different file and included in the gNB configuration file with `@include "neighbour-config-rfsim.conf"`. configuration, e.g. [neighbour-config-rfsim.conf](../../ci-scripts/conf_files/neighbour-config.conf).
This configuration can also be present in a different file and included in the
gNB configuration file with `@include "neighbour-config-rfsim.conf"`.
For each gNB there is a `neighbour_cell_configuration` linked to its serving cell ID. For each gNB there is a `neighbour_cell_configuration` linked to its serving
cell ID.
See the example above for `neighbour-config-ho.conf`. The same configuration is for both F1 and N2 handover. See the example above for `neighbour-config-ho.conf`. The same configuration
is for both F1 and N2 handover.