Transceiver Design and Performance Analysis for LR-FHSS-based Direct-to-Satellite IoT

Jinkyu Kang; Joon Gyu Ryu; Joonhyuk Kang; Seongah Jeong; Sooyeob Jung

Transceiver Design and Performance Analysis for LR-FHSS-based Direct-to-Satellite IoT

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arxiv 2305.13779 v2 pith:5BRLHNL5 submitted 2023-05-23 cs.AR eess.SP

Sooyeob Jung , Seongah Jeong , Jinkyu Kang , Joon Gyu Ryu , Joonhyuk Kang This is my paper

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keywords designtransceiveranalysisdirect-to-satellitedts-iothoppinglonglr-fhss

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This paper presents a novel transceiver design aimed at enabling Direct-to-Satellite Internet of Things (DtS-IoT) systems based on long range-frequency hopping spread spectrum (LR-FHSS). Our focus lies in developing an accurate transmission method through the analysis of the frame structure and key parameters outlined in Long Range Wide-Area Network (LoRaWAN) [1]. To address the Doppler effect in DtS-IoT networks and simultaneously receive numerous frequency hopping signals, a robust signal detector for the receiver is proposed. We verify the performance of the proposed LR-FHSS transceiver design through simulations conducted in a realistic satellite channel environment, assessing metrics such as miss detection probability and packet error probability.

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