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DOC: fix some images broken links and also align formatting

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Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
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Raphael Defosseux
2019-04-16 14:52:29 +02:00
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doc/RUNMODEM.md
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# Running OAI softmodem
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<a href="http://www.openairinterface.org/">
<img src="./images/oai_final_logo.png" alt="" border=3 height=50 width=150>
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<b><font size = "5">Running OAI Softmodem</font></b>
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After you have [built the softmodem executables](BUILD.md) you can set your default directory to the build directory `cmake_targets/lte_build_oai/build/` and start testing some use cases. Below, the description of the different oai functionalities should help you choose the oai configuration that suits your need.
## rf simulator
# RF Simulator
The rf simulator is a oai device replacing the radio heads (for example the USRP device). It allows connecting the oai UE and the oai eNodeB through a network interface carrying the time-domain samples, getting rid of over the air unpredictable perturbations. This is the ideal tool to check signal processing algorithms and protocols implementation.
The rf simulator is a oai device replacing the radio heads (for example the USRP device). It allows connecting the oai UE and the oai eNodeB through a network interface carrying the time-domain samples, getting rid of over the air unpredictable perturbations. This is the ideal tool to check signal processing algorithms and protocols implementation.
It is planned to enhance this simulator with the following functionalities:
@@ -14,15 +26,15 @@ It is planned to enhance this simulator with the following functionalities:
This is an easy use-case to setup and test, as no specific hardware is required. The [rfsimulator page](../targets/ARCH/rfsimulator/README.md ) contains the detailed documentation.
## l2 nfapi simulator
# L2 nFAPI Simulator
This simulator connects a eNodeB and UEs through a nfapi interface, short-cutting the L1 layer. The objective of this simulator is to allow multi UEs simulation, with a large number of UEs (ideally up to 255 ) .Here to ease the platform setup, UEs are simulated via a single `lte-uesoftmodem` instance. Today the CI tests just with one UE and architecture has to be reviewed to allow a number of UE above about 16. This work is on-going.
As for the rf simulator, no specific hardware is required. The [L2 nfapi simlator page](L2NFAPI.md) contains the detailed documentation.
As for the rf simulator, no specific hardware is required. The [L2 nfapi simlator page](L2NFAPI.md) contains the detailed documentation.
## l1 simulator
# L1 Simulator
The l1 simulator is using the ethernet fronthaul protocol, as used to connect a RRU and a RAU to connect UEs and a eNodeB. UEs are simulated in a single `lte-uesoftmodem` process, as for the nfapi simulator.
The L1 simulator is using the ethernet fronthaul protocol, as used to connect a RRU and a RAU to connect UEs and a eNodeB. UEs are simulated in a single `lte-uesoftmodem` process, as for the nfapi simulator.
The [L1 simulator page](L1SIM.md) contains the detailed documentation.
@@ -34,7 +46,7 @@ By default the noS1 mode is using linux tun interfaces to send or receive ip pac
noS1 code has been revisited, it has been tested with the rf simulator, and tun interfaces. More tests are on going and CI will soon include noS1 tests.
## Running with a true radio head
# Running with a true radio head
oai supports [number of deployment](FEATURE_SET.md) model, the following are tested in the CI: