exploring_lora
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exploring_lora [2018/09/27 10:33] – samer | exploring_lora [2018/09/27 11:56] – [3.1. Modifying the Radio Parameters] samer | ||
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* How LoRa is compatible with LPWAN requirements and constraints? | * How LoRa is compatible with LPWAN requirements and constraints? | ||
</ | </ | ||
- | ===== -. Hardware Platform | + | |
+ | ===== -. Setting the Lab ===== | ||
+ | |||
+ | ==== -. Hardware Platform ==== | ||
In order to design and implement experiments with LoRa, you will use the following devices: | In order to design and implement experiments with LoRa, you will use the following devices: | ||
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* Give an estimated cost of your platform. | * Give an estimated cost of your platform. | ||
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- | ===== -. Software Tools ===== | + | |
+ | ==== -. Software Tools ==== | ||
Download the following software on your PC: | Download the following software on your PC: | ||
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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 ==== | ||
Start by plugging the Dragino shields on the Arduino devices and mounting the antennas as shown in Fig. 1. | Start by plugging the Dragino shields on the Arduino devices and mounting the antennas as shown in Fig. 1. | ||
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</ | </ | ||
- | ===== -. Theoretical | + | ===== -. Theoretical |
In this section, you will perform a theoretical assessment of the performance of LoRa modulation. You will later compare this theoretical results to the experimental ones as in a typical scientific study. | In this section, you will perform a theoretical assessment of the performance of LoRa modulation. You will later compare this theoretical results to the experimental ones as in a typical scientific study. | ||
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</ | </ | ||
- | ===== -. Running | + | ===== -. Configuring and Running |
- | Start by setting the central frequency of the LoRa modules. For this, open the '' | + | |
+ | ==== -. Modifying the Radio Parameters ==== | ||
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+ | Start by setting the central frequency of the LoRa modules. For this, open the '' | ||
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+ | ^ Group Number | ||
+ | | 1 | ||
+ | | 2 | ||
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<file cpp RH_RF95.cpp> | <file cpp RH_RF95.cpp> | ||
setFrequency(868.X); | setFrequency(868.X); | ||
</ | </ | ||
- | |||
- | Download the {{ : | ||
- | |||
- | [{{ : | ||
- | [{{ : | ||
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- | ===== -. Modifying the Radio Parameters ===== | ||
The typical configuration for LoRa modules consists of 125 kHz sub-channels, | The typical configuration for LoRa modules consists of 125 kHz sub-channels, | ||
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setModemConfig(Bw125Cr45Sf128); | setModemConfig(Bw125Cr45Sf128); | ||
</ | </ | ||
+ | ==== -. Running Basic Sketches ==== | ||
+ | |||
+ | Download the {{ : | ||
+ | |||
+ | [{{ : | ||
+ | [{{ : | ||
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. |
exploring_lora.txt · Last modified: 2021/10/20 12:52 by samer