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--- exploring_lora [2018/09/27 15:45] – [3.2. Running Basic Sketches] samer
+++ exploring_lora [2018/09/27 16:35] – [4.1. Time on Air] samer
@@ Line 112: / Line 112: @@
 ==== -. Time on Air ====
-In this section, you will measure the Time on Air (ToA) under the three different radio configurations and for different message sizes. For this, you can start by implementing a function on the client that measures the time necessary for sending a message. For example, you can use the [[https://www.arduino.cc/en/Reference/Micros| micros()]] function available in the arduino libraries.
+In this section, you will measure the Time on Air (ToA) under the three different radio configurations and for different message sizes. The ToA is the time necessary to send a message on the radio interface.
+For this, you can start by implementing a function on the client that measures the time necessary for sending a message. For example, you can use the [[https://www.arduino.cc/en/Reference/Micros| micros()]] function available in the arduino libraries.
 <WRAP center round help 100%>
+  * Join commented extracts of your code and explain your approach for computing the ToA.
   * Draw a box plot of the ToA under the three different radio configurations and for three different message sizes.
-  * Analyze the obtained results and compare with the theoretical computations.
+  * Analyze the obtained results and compare with the theoretical computations. You can superpose the theoretical results and the practical ones on the same graph.
 </WRAP>
 ==== -. Packet Delivery Ratio ====