exploring_lora
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exploring_lora [2018/09/27 17:00] – [2. Theoretical Study] samer | exploring_lora [2018/09/29 12:51] – [3.1. Modifying the Radio Parameters] samer | ||
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Download the following software on your PC: | Download the following software on your PC: | ||
- | * RadioHead: The Packet Radio library for embedded microprocessors can be downloaded from [[http://www.airspayce.com/mikem/ | + | * RadioHead: The Packet Radio library for embedded microprocessors can be downloaded from [[https://github.com/samerlahoud/ |
* Arduino IDE: Specific OS versions can be downloaded from [[https:// | * Arduino IDE: Specific OS versions can be downloaded from [[https:// | ||
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Note well the location of the library folder on your computer. In the following, you will be required to modify source files located in this folder. | Note well the location of the library folder on your computer. In the following, you will be required to modify source files located in this folder. | ||
</ | </ | ||
- | |||
==== -. Installation ==== | ==== -. Installation ==== | ||
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==== -. Modifying the Radio Parameters ==== | ==== -. Modifying the Radio Parameters ==== | ||
- | Start by setting | + | Download the {{ : |
^ Group Number | ^ Group Number | ||
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| | | | ||
- | For this, open the '' | + | Note that the radio parameters of your LoRa devices: Spreading Factor (SF), Bandwidth (Bw), and Coding Rate (CR) are configured |
- | + | ||
- | <file cpp RH_RF95.cpp> | + | |
- | setFrequency(86X.Y); | + | |
- | </ | + | |
- | + | ||
- | The typical configuration for LoRa modules consists of 125 kHz sub-channels, a coding rate of 4/5, and a spreading factor equal to 7. You can modify | + | |
- | + | ||
- | * Bw125Cr45Sf128 | + | |
- | * Bw125Cr48Sf4096 | + | |
- | * Bw31_25Cr48Sf512 | + | |
- | + | ||
- | Radio configuration is applied in '' | + | |
- | <file cpp RH_RF95.cpp> | + | |
- | setModemConfig(Bw125Cr45Sf128); | + | |
- | </ | + | |
==== -. Running Basic Sketches ==== | ==== -. Running Basic Sketches ==== | ||
- | Download the {{ : | + | Now you can compile and upload |
[{{ : | [{{ : | ||
[{{ : | [{{ : | ||
- | |||
- | In the remainder of this lab, you will conduct measurements to validate the obtained theoretical receiver sensitivity. | ||
===== -. 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:// |
exploring_lora.txt · Last modified: 2021/10/20 12:52 by samer