exploring_lora
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exploring_lora [2018/09/29 14:03] – [4. Performance Evaluation] samer | exploring_lora [2018/09/29 15:33] – samer | ||
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==== -. Time on Air ==== | ==== -. Time on Air ==== | ||
- | In this section, you will measure the Time on Air (ToA) as given by the time necessary to transmit a message on the radio interface. You will assess the impact of the spreading factor, bandwidth, coding rate, the message size on the ToA. | + | In this section, you will measure the Time on Air (ToA) as given by the time necessary to transmit a message on the radio interface. You will assess the impact of the spreading factor, bandwidth, coding rate, and the message size on the ToA. |
- | 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:// | + | For this, you will 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%> | ||
- | * Describe the scenarios you used for assessing the impact of radio parameters on the ToA. You can join commented extracts of your code. | + | * Describe the scenarios you used for assessing the impact of the different |
- | * Visualise the experimental results | + | * Join commented extracts of your code and raw data in attached files. |
- | * Analyze the obtained results and compare with the theoretical computations. You can superpose the theoretical results and the practical | + | * Visualise the experimental results |
+ | * Analyze the obtained results and compare with the theoretical computations. You can superpose the theoretical results and the experimental | ||
</ | </ | ||
- | ==== -. Packet Delivery Ratio ==== | ||
- | In this section, you will measure the Packet | + | ==== -. [Classroom activity] Collisions and Packet |
- | Only for this test, all groups are required to use the same frequency | + | In this section, you will measure the Packet Delivery Ratio (PDR) under different transmission periods. |
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+ | You will start by implementing a function on the server that measures the ratio of successfully delivered packets. | ||
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<WRAP center round help 100%> | <WRAP center round help 100%> | ||
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==== -. Coverage ==== | ==== -. Coverage ==== | ||
- | + | In this section, you will measure the coverage of LoRa devices under the three different radio configurations. For this, you will start by identifying a set of Test Points (TP). Then, you should implement a function that sends packets with different radio configurations. Note that the following functions in the Arduino sketch enable to modify //on the fly// the LoRa parameters: | |
- | In this section, you will measure the coverage of LoRa devices under the three different radio configurations. For this, you can start by identifying a set of Test Points (TP) on the campus. Then, you should implement a function that sends packets with different radio configurations. Note that the following functions in the Arduino sketch enable to modify //on the fly// the LoRa parameters: | + | |
<code c++> | <code c++> | ||
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* Give a statistical measure of the PER and the RSSI for each TP with each of the different radio configurations. | * Give a statistical measure of the PER and the RSSI for each TP with each of the different radio configurations. | ||
</ | </ | ||
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==== -. Path Loss ==== | ==== -. Path Loss ==== | ||
exploring_lora.txt · Last modified: 2021/10/20 12:52 by samer