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A Novel Decoding Algorithm of Superposition Modulation for Cooperative IoT System | IEEE Conference Publication | IEEE Xplore

A Novel Decoding Algorithm of Superposition Modulation for Cooperative IoT System


Abstract:

In this paper, we propose a novel decoding strategy for superposition modulation (SM) for cooperative IoT system. Unlike the conventional method where the SIC (successive...Show More

Abstract:

In this paper, we propose a novel decoding strategy for superposition modulation (SM) for cooperative IoT system. Unlike the conventional method where the SIC (successive interference cancellation) decoding is applied, whose performance degrades when the decoder fails to detect the main signal, we propose a novel decoding algorithm which derive the LLR (log likelihood ratio) directly from the received signal. The new decoding scheme performs well even when the main signal detection fails and outperforms conventional SIC based decoding method by more than 2 dB in the fading environment.
Date of Conference: 04-06 January 2020
Date Added to IEEE Xplore: 23 March 2020
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Conference Location: Las Vegas, NV, USA

References

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