exploring_lora
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exploring_lora [2018/09/27 11:37] – samer | exploring_lora [2018/09/27 16:28] – [4.1. Time on Air] samer | ||
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==== -. Modifying the Radio Parameters ==== | ==== -. Modifying the Radio Parameters ==== | ||
- | Start by setting the central frequency of the LoRa modules. For this, open the '' | + | Start by setting the central frequency of your LoRa modules |
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+ | For this, open the '' | ||
<file cpp RH_RF95.cpp> | <file cpp RH_RF95.cpp> | ||
- | setFrequency(868.X); | + | setFrequency(86X.Y); |
</ | </ | ||
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setModemConfig(Bw125Cr45Sf128); | setModemConfig(Bw125Cr45Sf128); | ||
</ | </ | ||
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==== -. Running Basic Sketches ==== | ==== -. Running Basic Sketches ==== | ||
- | Download the {{ : | + | Download the {{ : |
[{{ : | [{{ : | ||
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In the remainder of this lab, you will conduct measurements to validate the obtained theoretical receiver sensitivity. | In the remainder of this lab, you will conduct measurements to validate the obtained theoretical receiver sensitivity. | ||
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===== -. Performance Evaluation ===== | ===== -. Performance Evaluation ===== | ||
In the following, you will design and implement a set of scenarios that enable to evaluate the performance of the LoRa modulation. As you will deal with scientific assessment, you are required to use scientific tools to show the results. You have the choice between [[http:// | In the following, you will design and implement a set of scenarios that enable to evaluate the performance of the LoRa modulation. As you will deal with scientific assessment, you are required to use scientific tools to show the results. You have the choice between [[http:// | ||
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==== -. Time on Air ==== | ==== -. 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:// | + | In this section, you will measure the Time on Air (ToA) under the three different radio configurations and for different message sizes. |
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+ | 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:// | ||
<WRAP center round help 100%> | <WRAP center round help 100%> | ||
* Draw a box plot of the ToA under the three different radio configurations and for three different message sizes. | * 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. |
</ | </ | ||
- | + | ==== -. Packet | |
- | ==== -. Packet | + | |
In this section, you will measure the Packet Error Rate (PER) under the three different radio configurations and for different transmission periods. For this, you can start by implementing a function on the client that measures the ratio of successfully delivered packets. | In this section, you will measure the Packet Error Rate (PER) under the three different radio configurations and for different transmission periods. For this, you can start by implementing a function on the client that measures the ratio of successfully delivered packets. |
exploring_lora.txt · Last modified: 2021/10/20 12:52 by samer