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1		-Challenge to make a LoRaWAN Repeater

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1		-Main.WebHome

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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
2		-{{toc/}}
3		-{{/box}}
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5		-= Definition for LoRaWAN Repeater =
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7		-A requirement for LoRaWAN repeater is as below:
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9		-[[image:image-20220514080812-1.png||height="540" width="806"]]
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11		-= Uplink Data Challenge =
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13		-When there are uplink data from End Node, Repeater needs to get these packets and uplink to LoRaWAN Gateway. Then LoRaWAN Gateway uplinks the data to LoRaWAN Server. There will have below influence & Requirements:
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15		-* A repeater is normally made by LoRaWAN Gateway which has 8 x RX channels and 1 x TX channel, When the repeater sends a packet to LoRaWAN gateway, it will use the TX channel. During TX time, RX channel will be disabled, the TX time is short but still has some influence on the capacity for end nodes.
16		-* 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.
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19		-= Downlink Data Challeng =
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21		-LoRaWAN Downlink has strict timing as below:
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23		-[[image:image-20220514082420-2.png||height="691" width="733"]]
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