Skip to Content

Changes for page LoRaWAN Capacity

Last modified by Xiaoling on 2023/04/14 11:38
From version 1.1
edited by Edwin Chen
on 2022/06/01 11:20
Change comment: There is no comment for this version
To version 2.1
edited by Edwin Chen
on 2022/06/02 16:33
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -25,7 +25,6 @@
25 25  * DownLink Traffic
26 26  ** several per day for each sensor, Unless end-node sends CONFIRMED UPLINK, in this case, each uplink message will require one downlink message from the server.
27 27  
28 -
29 29  == Capacity for Gateway ==
30 30  
31 31  A general LoRaWAN gateway such as LPS8N uses a multi-channel LoRaWAN Concentrator. which supports 10 rx channels and 1 tx channel.
... ... @@ -45,7 +45,6 @@
45 45  
46 46  * TX channel frequency is flexible and defined by each downstream from LoRaWAN Server. Please notice when the gateway is in TX mode, RX won't be able to receive packets. So If there are too many downstream in the network. RX capacity will be highly effected.
47 47  
48 -
49 49  == Conclusion ==
50 50  
51 51  When we check the capacity for the LoRaWAN network, we need to check how the sensor work. We can't simply say how many nodes the gateway can support because nodes' uplink frequency is very important.
... ... @@ -55,6 +55,9 @@
55 55  but for a high-frequency application, for example, a tracker sends a message every 3 second, you wil then see packet loss for dozens of units.
56 56  
57 57  
56 +Accordiing to the tech spec, simply add Gateways, listening the same frequencies can't improve a lot the capacity.
57 +
58 +
58 58  Above is a simple calculation with rough idea. For more precise, please check this [[LoRaWAN Capacitor White Paper>>https://blog.semtech.com/understanding-the-lorawan-capacity-whitepaper]]
59 59  
60 60