Changes between Version 20 and Version 21 of Tutorials/Wireless/mmwave Paam Link Rate

Timestamp:

Mar 25, 2024, 9:35:17 PM (8 months ago)

Author:

zhihuigao

Comment:

—

Tutorials/Wireless/mmwave Paam Link Rate

@@ -175 +175 @@
 Notice this program will **hang** there to indicate that the PAAM board is on, if you wish to turn off the ICs on the PAAM boards, please **press {{{CTRL+C}}} once**. 
 
-=== (Optional) CFO Calibration for PAAM boards ===
-**This section introduces how to calibrate the CFO between the PAAM boards. It is not a necessary step for users who wants to run this tutorial.** \\
-\\
-Since each 28 GHz PAAM board is driven by its own on-board phase lock loop (PLL), the CFO between two 28 GHz PAAM boards needs to be calibrated in order to establish a 28 GHz communication link. \\
-The following shows a coarse CFO calibration scheme: \\
-* In **terminal 1**, change the {{{cfoBS}}} value to be **0** in line 15 as:
-    {{{#!shell
-    vim PAAM_Control/main.py
-    }}}
-* Configure and bring up the PAAM board as described previously:
-    {{{#!shell
-    root@srv1-lg1:~/PAAM_Control# python3 main.py
-    }}}
-* In **terminal 2**, fix MATLAB licensing issue:
-    {{{#!shell
-    cd /usr/local/MATLAB/R2022b/bin
-    root@srv1-lg1:/usr/local/MATLAB/R2022b/bin# ./deactivate_matlab.sh
-    root@srv1-lg1:/usr/local/MATLAB/R2022b/bin# ./activate_matlab.sh
-    }}}
-  At the last step, MATLAB will ask for a username for the computer. Enter **root**.
-* In **terminal 2**, direct to the CFO calibration folder and run the CFO estimation pipeline in {{{MATLAB}}}:
-    {{{#!shell
-    cd 5G_Pipeline
-    root@srv1-lg1:~/5G_Pipeline# matlab
-    }}}
-  In the prompted {{{MATLAB}}} command line, type and run:
-    {{{#!shell
-    >>main
-    }}}
-* An example output would appear as:
-    {{{#!shell
-    CFO: 9.8310e+03
-    SNR: 22.5722
-    EVM: 12.7090
-    BER: 0
-    }}}
-* Back to **terminal 1**, turn off PAAM board by pressing **{{{CTRL+C}}} once**
-* Applied the above estimated CFO value to {{{cfoBS}}} in {{{5G_Pipeline/main.py}}} and restart the PAAM boards:
-    {{{#!shell
-    root@srv1-lg1:~/PAAM_Control# python3 main.py
-    }}}
-
-Based on the measurements we performed over 100+ times shown in the following probability density distributions of the estimated CFO values between the two PAAM boards, the CFO can be seen as a relatively constant value, hence, we pre-set the CFO to the PAAM board to be {{{97400}}}
-{{{#!td 
-|| [[Image(CFO_DL.png​, 400px)]] ||
-}}}
-{{{#!td 
-|| [[Image(CFO_UL.png, 400px)]] ||
-}}}
+
 
 === Experiment Execution ===