LZn uses a spectral intersection driven synchronization scheme to achieve robust LoRa frame detection under collisions and ultra-low SNR, improving sensitivity by up to 10 dB and real-world decoding by up to 3.46x versus prior collision-tolerant methods.
A maximum-likelihood-based two-user receiver for lora chirp spread-spectrum modulation
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LZn : Robust LoRa Frame Synchronization Under Frame Collisions and Ultra-Low SNR Conditions
LZn uses a spectral intersection driven synchronization scheme to achieve robust LoRa frame detection under collisions and ultra-low SNR, improving sensitivity by up to 10 dB and real-world decoding by up to 3.46x versus prior collision-tolerant methods.