Changes for page Challenge to make a LoRaWAN Repeater
Last modified by Edwin Chen on 2024/02/21 09:45
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... ... @@ -18,7 +18,6 @@ 18 18 * Repeater software should be changed so it can send out the received packet from the End node and send out a packet that the LoRaWAN gateway can receive. 19 19 20 20 21 - 22 22 = Downlink Data Challeng = 23 23 24 24 LoRaWAN Downlink has strict timing as below. The downlink packet must arrive end node exactly within the RX window with the correct Frequency & DR. If the downlink packet doesn't arrive within the RX window, the end node will not able to get the downlink so it fails on OTAA process and accept normal downlinks for network control. ... ... @@ -36,11 +36,9 @@ 36 36 ** The second packet sends as usual so the nearby end node can receive it. 37 37 38 38 39 - 40 40 = Channel Challenge = 41 41 42 42 Due to IQ invert and Channels asymmetric (Uplink and Downlink use different channels in US915, AU915 etc.) Two repeaters are required: one for Uplink and one for Downlink, 43 43 44 44 45 - 46 46