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monitoring list list Zabbix Software Information Perfect Kolab News Evaluating Free Software Groupware: Kolab
local Groundstation dashboard
http:your-ip/dashboard
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Quellen/Source:
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- wikipedia: SNR or S/N | Signal-to-noise ratio
- a Homepage (2018): Spreading Factor, Bandwidth, Coding Rate and Bit Rate in LoRa (English)
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http:your-ip/dashboard
| Modem Configuration | ||||
| example output | ||||
| Listening to | Norbi | |||
| Modulation | LoRa | |||
| Frequency | 436.70 | 436.7MHz | ||
| Spreading Factor | 10 | Spreading Factor (SF) decides on how many chirps, the carrier of the data, are sent per second. The network decides the spreading factor (graded between 7-12) based on the environmental conditions between the communication device and the gateway. This assumes that the Adaptive Data Rate functionality is switched on, which is recommended for all but the continuously moving devices. | ||
| Coding Rate | 5 | ![\displaystyle R_b = SF \frac{\big[\frac{4}{4+CR}\big]}{\big[\frac{2^{SF}}{BW}\big]}](https://s0.wp.com/latex.php?latex=%5Cdisplaystyle+R_b+%3D+SF+%5Cfrac%7B%5Cbig%5B%5Cfrac%7B4%7D%7B4%2BCR%7D%5Cbig%5D%7D%7B%5Cbig%5B%5Cfrac%7B2%5E%7BSF%7D%7D%7BBW%7D%5Cbig%5D%7D+&bg=ffffff&fg=000000&s=0&c=20201002) |
LoRa modulation also adds a forward error correction (FEC) in every data transmission. This implementation is done by encoding 4-bit data with redundancies into 5-bit, 6-bit, 7-bit, or even 8-bit. Using this redundancy will allow the LoRa signal to endure short interferences. The Coding Rate (CR) value need to be adjusted according to conditions of the channel used for data transmission. If there are too many interference in the channel, then it’s recommended to increase the value of CR. However, the rise in CR value will also increase the duration for the transmission | |
| Bandwidth | 250 |  |
Bandwidth is the frequency range of the chirp signal used to carry the baseband data. In Figure 1, the Bandwidth can be seen from the width of frequency used between  to  . Aside from that, Bandwidth can also represent chip rate from LoRa signal modulation |
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| Last Packet Received | ||||
| Received at | 3:04:05 | |||
| Signal RSSI | -115.25 | |||
| Signal SNR | -12.25 | |||
| Frequency error | 13876.85 |
Quellen/Source:
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- wikipedia: SNR or S/N | Signal-to-noise ratio
- a Homepage (2018): Spreading Factor, Bandwidth, Coding Rate and Bit Rate in LoRa (English)
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RSS Feed
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Krita-Team arbeitet an KI-gestützter Fast-Sketch-Funktion
Krita-Team arbeitet an KI-gestützter Fast-Sketch-Funktion
Die Entwickler des Mal- und Zeichenprogramms Krita haben die erste Version eines neuen Plugins veröffentlicht, das aus einem Entwurf eine erste Tuschezeichnung erstellt.
Source: Linux-Magazin
Created on: 20.12.2024 | 14:51
Linux-Magazin | 20.12.2024 | 14:51 -
heise meets … Strafverteidiger spart mit KI bis zu 60 Minuten täglich
heise meets … Strafverteidiger spart mit KI bis zu 60 Minuten täglich
Rechtsanwalt Florian Schoenrock gibt zu, KI im Arbeitsalltag einzusetzen. Für die Auswertung umfangreicher TKÜ-Daten sei sie inzwischen ein Muss.
Source: heise Security
Created on: 20.12.2024 | 13:10
heise Security | 20.12.2024 | 13:10 -
IPFire 2.29 Core Update 190 härtet Remote Access
IPFire 2.29 Core Update 190 härtet Remote Access
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Source: Linux-Magazin
Created on: 20.12.2024 | 12:06
Linux-Magazin | 20.12.2024 | 12:06 -
Fortinet Wireless Manager: Informationen zu kritischer Lücke zurückgehalten
Fortinet Wireless Manager: Informationen zu kritischer Lücke zurückgehalten
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Source: heise Security
Created on: 20.12.2024 | 11:25
heise Security | 20.12.2024 | 11:25 -
Fortinet Wireless Manager: Informationen zu kritischer Lücke zurückgehalten
Fortinet Wireless Manager: Informationen zu kritischer Lücke zurückgehalten
Angreifer konnten Fortinet Wireless Manager attackieren und Admins-Sessions kapern. Das Netzwerkmanagementool war über mehrere Monate verwundbar.
Source: Security-Alert Meldungen
Created on: 20.12.2024 | 11:25
Security-Alert Meldungen | 20.12.2024 | 11:25 -
Proxmox Datacenter Manager - First Alpha Release
Proxmox Datacenter Manager - First Alpha Release
Source: Announcements
Created on: 19.12.2024 | 14:44
Announcements | 19.12.2024 | 14:44 -
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In aktuellen Versionen von BeyondTrust Privileged Remote Access und Remote Support haben die Entwickler eine gefährliche Schwachstelle geschlossen.
Source: Security-Alert Meldungen
Created on: 19.12.2024 | 11:21
Security-Alert Meldungen | 19.12.2024 | 11:21 -
Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability
Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability
<p>A vulnerability in the packet processing functionality of Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to exhaust resources on an affected device. </p> <p>This vulnerability is due to insufficient management of resources when handling certain types of[…]
Source: Cisco Security Advisory
Created on: 12.12.2024 | 21:27
Cisco Security Advisory | 12.12.2024 | 21:27 -
Cisco NX-OS Software Image Verification Bypass Vulnerability
Cisco NX-OS Software Image Verification Bypass Vulnerability
<p>A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification.</p> <p>This vulnerability is due to[…]
Source: Cisco Security Advisory
Created on: 12.12.2024 | 01:28
Cisco Security Advisory | 12.12.2024 | 01:28 -
Proxmox Backup Server 3.3 released!
Proxmox Backup Server 3.3 released!
Source: Announcements
Created on: 28.11.2024 | 13:58
Announcements | 28.11.2024 | 13:58
neusten Links
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