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searchwing-pi-datarate [2019/12/23 17:31] wf68spef [Julian tests] |
searchwing-pi-datarate [2020/01/08 21:41] beckmanf [Julian tests] added channel remark |
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| The transfer times for the 100MB were 30s, 24s, 25s, 26s. This corresponds to a transfer rate of 30 MBit/s. Some times for the 1MB file were: 0.2 0.2 0.2 0.9 0.3 0.7 0.7 0.2 -> There is heavy congestion on channel 1. | The transfer times for the 100MB were 30s, 24s, 25s, 26s. This corresponds to a transfer rate of 30 MBit/s. Some times for the 1MB file were: 0.2 0.2 0.2 0.9 0.3 0.7 0.7 0.2 -> There is heavy congestion on channel 1. | ||
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| + | Based on the 0.2s for the 1 MB File, this translates to **5 MB/s = 40 MBit/s** rate for an undisturbed channel for a transfer via http. This is again exactly the achieved iperf rate as shown above. | ||
| ==== Julian tests ==== | ==== Julian tests ==== | ||
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| * Placement: Pi Zero and Laptop placed 10cm above router. | * Placement: Pi Zero and Laptop placed 10cm above router. | ||
| * data ammount: 540 MByte | * data ammount: 540 MByte | ||
| + | * ** Laptop and Raspberry Pi share the same Wifi channel => Each packet goes from Pi to AP and from AP to Laptop. => Congestion on the Wifi Channel. ** | ||
| === wget === | === wget === | ||