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    This study introduces a molecule shift keying (MoSK) system for molecular communication (MC). An imperfect transmitter releases mixed molecules, causing inter-symbol interference (ISI), but a novel receiver design improves performance with increased energy cost.

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    Area of Science:

    • Biotechnology
    • Information Theory
    • Chemical Engineering

    Background:

    • Molecular communication (MC) utilizes molecules for information transmission.
    • Realistic MC systems face challenges like imperfect molecule reservoirs and inter-symbol interference (ISI).

    Purpose of the Study:

    • To address ISI in a realistic molecule shift keying (MoSK) scenario with imperfect molecule reservoirs.
    • To propose and evaluate a novel receiver detection method for enhanced MoSK performance.

    Main Methods:

    • Analysis of receiver properties for imperfect MoSK transmitters.
    • Development of a molecule ratio-based detection scheme.
    • Theoretical analysis and simulations to validate performance.

    Main Results:

    • The proposed MoSK system's performance improves with increased energy cost.
    • The receiver design effectively mitigates inter-symbol interference (ISI).
    • The molecule ratio-based detection scheme demonstrates good performance.

    Conclusions:

    • The developed detection method offers a viable solution for mitigating ISI in realistic MoSK systems.
    • Energy investment is crucial for optimizing performance in imperfect molecular communication transmitters.