Interference Measurements in the European 868 MHz ISM Band with Focus on LoRa and SigFox

Publikation: Forskning - peer reviewKonferenceartikel i proceeding

Abstrakt

In this measurement study the signal activity and power levels are measured in the European Industrial, Scientific, and Medical band 863-870 MHz in the city of Aalborg, Denmark. The target is to determine if there is any interference, which may impact deployment of Internet of Things devices. The focus is on the Low Power Wide Area technologies LoRa and SigFox.

The measurements show that there is a 22-33 % probability of interfering signals above -105 dBm within the mandatory LoRa and SigFox 868.0-868.6 MHz band in a shopping area and a business park in downtown Aalborg, which thus limits the potential coverage and capacity of LoRa and SigFox. However, the probability of interference is less than 3 % in the three other measurement locations in Aalborg. Finally, a hospital and an industrial area are shown to experience high activity in the RFID subband 865-868 MHz, while the wireless audio band 863-865 MHz has less activity.
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Detaljer

In this measurement study the signal activity and power levels are measured in the European Industrial, Scientific, and Medical band 863-870 MHz in the city of Aalborg, Denmark. The target is to determine if there is any interference, which may impact deployment of Internet of Things devices. The focus is on the Low Power Wide Area technologies LoRa and SigFox.

The measurements show that there is a 22-33 % probability of interfering signals above -105 dBm within the mandatory LoRa and SigFox 868.0-868.6 MHz band in a shopping area and a business park in downtown Aalborg, which thus limits the potential coverage and capacity of LoRa and SigFox. However, the probability of interference is less than 3 % in the three other measurement locations in Aalborg. Finally, a hospital and an industrial area are shown to experience high activity in the RFID subband 865-868 MHz, while the wireless audio band 863-865 MHz has less activity.
OriginalsprogEngelsk
Titel2017 IEEE Wireless Communications and Networking Conference (WCNC)
Antal sider6
UdgiverIEEE
Publikationsdatomar. 2017
ISBN (elektronisk)978-1-5090-4183-1
DOI
StatusUdgivet - mar. 2017
Begivenhed - San Francisco, USA

Konference

Konference2017 IEEE Wireless Communications and Networking Conference, WCNC 2017
LandUSA
BySan Francisco
Periode19/03/201722/03/2017

Kort

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