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Conference Paper
SFO Correction Algorithm for Lora Signalling in Leo Satellite IoT Networks
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- Authors
- Gyeongrae Im, Pansoo Kim, Joon-Gyu Ryu
- Issue Date
- 2021-09
- Citation
- Ka and Broadband Communications Conference 2021, pp.1-8
- Language
- English
- Type
- Conference Paper
- Abstract
- LoRa waveform has great immunity to a large amount of frequency offset and has low sensitivity, making it a strong candidate for satellite IoT services. However, when sampling frequency offset (SFO) occurs between low-cost IoT transmitters and receivers, LoRa system performance degrades. In this paper, we introduce SFO in LoRa system. We propose the SFO detection and compensation algorithm for LoRa with high spreading factors (SFs). The simulation result shows that the validity of our proposal.
- KSP Keywords
- Compensation algorithm, Correction algorithm, IoT network, IoT services, LEO Satellite, Low sensitivity, Low-cost IoT, Sampling frequency offset, System performance