Changes between Version 9 and Version 10 of Tutorials/Wireless/Spectrum Sensing

Timestamp:

Nov 7, 2019, 5:28:23 AM (4 years ago)

Author:

prasanthi

Comment:

—

Tutorials/Wireless/Spectrum Sensing

@@ -199 +199 @@
 
 ==== Prepare the application ====
-Download the application source code from the attachment section below. 
+* Download the application source code from the attachment section below. 
 {{{
 root@sdr2-s1-lg1:~# wget https://wiki.cosmos-lab.org/raw-attachment/wiki/tutorials/basic_usage/spectrum_view.tar.gz
@@ -207 +207 @@
 }}}
 
-Please refer to the README file in SPECTRUM_VIEW directory for instructions on compiling and running the application. Before compiling the application, install and compile a few dependencies.
+* Please refer to the README file in SPECTRUM_VIEW directory for instructions on compiling and running the application. Before compiling the application, install and compile a few dependencies.
 {{{
 root@sdr2-s1-lg1:~# apt update
@@ -225 +225 @@
 }}}
 ==== Setup SSH tunnel ====
-set up a tunnel from localhost:5002 to sdr2-lg1.sb1.cosmos-lab.org:9002. This will be used by the web app to connect to a server running on the Krypton's host. 
-
+* Set up SSH tunnel from your local port 5002 to sdr2-s1-lg1.bed.cosmos-lab.org:9002 (See [https://wiki.cosmos-lab.org/wiki/tutorials/ssh_tunnel])
+This will be used by the web app to connect to a server running on the Krypton's host. 
 
 ==== Run the experiment ====
 
-From within the ''SPECTRUM_VIEW'' directory make and run the application to read samples from the Krypton's radio. There are two channels inside the radio which are being read out but only the first channel is displayed. 
+* From within the ''SPECTRUM_VIEW'' directory make and run the application to read samples from the Krypton's radio. There are two channels inside the radio which are being read out but only the first channel is displayed. 
 {{{
 root@sdr2-s1-lg1:~/SPECTRUM_VIEW# ./app_read_sdr_samples
@@ -238 +238 @@
 }}}
 
-In short the application runs a server listening for commands. Just to briefly demonstrate some functionality, open the spectrum_view.html file in a Chrome browser. 
+In short the application runs a server listening for commands. 
+* Just to briefly demonstrate some functionality, open the spectrum_view.html file in a Chrome browser. 
 
 When the viewer is first opened, the page display should be similar to the following
@@ -245 +246 @@
 Ensure the localhost field is set to ''localhost:5002'' and the device type field is set to ''type=x300''.
 
-Click the ''connect'' button once and a "WebSocket Connection" statement should be output by the application.
-Now click on ''make'' to create a device handle. Finally click on ''submit'' to adjust the radio parameters and the ''Go'' button to display a short spectrum bandwidth.
+* Click the ''connect'' button once and a "WebSocket Connection" statement should be output by the application.
+Now click on ''connect'' again to create a device handle. Finally click on ''submit'' to adjust the radio parameters and the ''Halted'' button to display a spectrogram.
 
 Keep the default values for RATE, FREQ, GAIN and click on the HALTED button. This should display the spectrum if all went well.