Conceitos Básicos
Proposing a LR-FHSS transceiver design for Direct-to-Satellite IoT communication systems.
Resumo
This paper introduces a LR-FHSS transceiver design for the DtS-IoT system, focusing on architecture, synchronization, and implementation. It addresses challenges like Doppler effect, STO, CFO, and CCI with proposed solutions.
- Introduction to LR-FHSS technology for satellite IoT communications.
- Detailed system architecture including terminals, satellites, and gateways.
- Robust synchronization algorithm against channel impairments.
- Implementation details using ASIC chipset and FPGA testbeds.
- Performance verification of LR-FHSS transceiver in real satellite environments.
Estatísticas
"Considering the multiple low-Earth orbit (LEO) satellites, we developed the LR-FHSS transceiver to improve system efficiency."
"The laboratory test results reveal that the proposed LR-FHSS-based framework with the robust synchronization technique can provide wide coverage."
Citações
"LR-FHSS is well-suited for global coverage of DtS-IoT transmission."
"The proposed LR-FHSS transceiver design can provide robustness against the Doppler effect and CCI caused by LEO satellite channel environments."