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Interleaved Chirp Spreading LoRa-Based Modulation With Continuous Phase

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  • NETL
  • NSTL
  • IEEE
Exploration for new dimensions to convey information is a non-trivial task for resource-limited communications. Interleaved Chirp Spreading LoRa (ICS-LoRa) constitutes a new multi-dimensional space from the interleaved versions of LoRa waveforms to convey extra bits. Nevertheless, it destroys the phase continuity of LoRa waveforms and degrades the spectral localization, offsetting the benefit from the increased symbol payload size. This letter fully elaborates the potential of the interleaving dimension and proposes a continuous phase ICS-LoRa scheme, which is proven to be more efficient in data rate improvement than ICS-LoRa. Furthermore, a low-complexity design from the proposed scheme is provided for implementation simplicity.

SymbolsModulationLoRaCodesPhase modulationLocation awarenessBandwidthPayloadsDemodulationChirp

Lei Wang、Michael M. Wang

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School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China

School of Information Science and Engineering, Southeast University, Nanjing, China

2025

10.1109/LCOMM.2024.3482276

IEEE communications letters

IEEE communications letters

ISSN：
年,卷(期)：2025.29(5)
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