Changes for page How to improve LoRaWAN distance
Last modified by Xiaoling on 2024/08/16 11:25
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. ting1 +XWiki.Edwin - Content
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... ... @@ -45,6 +45,7 @@ 45 45 |(% style="width:134px" %)**US915**|(% style="width:400px" %)20 or 22 dBm (depends on max output of module)|(% style="width:362px" %)SF=10|(% style="width:102px" %)125Khz 46 46 |(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz 47 47 48 + 48 48 == 2.2 Adaptive Data Rate (ADR) and set max distance == 49 49 50 50 ... ... @@ -83,10 +83,11 @@ 83 83 84 84 Below are the settings for longest distance transmission. ( will reduce battery life) 85 85 86 -* (% style="color:#037691" %)**AT+ADR=0** (% style="color:#037691" %)**(downlinkpayload: 2200FFFF)**87 -* (% style="color:#037691" %)**AT+DR=0** (% style="color:#037691" %)**(downlinkpayload: 220000FF)**88 -* (% style="color:#037691" %)**AT+TXP=0** (% style="color:#037691" %)** (downlinkpayload: 22000000)**87 +* (% style="color:#037691" %)**AT+ADR=0** (%%)~/~/ Disable ADR 88 +* (% style="color:#037691" %)**AT+DR= 0** (%%)~/~/ Use the smallest DR,the longest distance modulation 89 +* (% style="color:#037691" %)**AT+TXP=0** (%%) ~/~/ Use max power For EU868, max power can be is AT+TXP=50 89 89 91 + 90 90 == 2.5 Debug in Software == 91 91 92 92 Dragino can help client to debug the software for the distance issue. In the case , please send us below info: ... ... @@ -95,6 +95,7 @@ 95 95 ** RSSI, DataRate, FCNT, Frequency. 96 96 ** MIC command detail & Payload detail. 97 97 100 + 98 98 = 3. Analyze at the hardware side = 99 99 100 100 == 3.1 Check if the antenna path is good ~-~- For LSN50v2 series end node == ... ... @@ -129,6 +129,7 @@ 129 129 * High ISM band usage by other technologies. 130 130 * Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small. 131 131 135 + 132 132 == 4.2 Improve the Antenna == 133 133 134 134