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Clock Synchronization for Mobile Molecular Communication Systems.

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    Clock synchronization in molecular communication (MC) is crucial for nanodevices. This study introduces new methods for mobile MC systems, accounting for molecule synthesis time and receiver movement, improving information exchange reliability.

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    Area of Science:

    • Biomedical Engineering
    • Nanotechnology
    • Communication Systems

    Background:

    • Molecular communication (MC) enables information exchange at nano/micro-scales using molecules.
    • Clock synchronization is vital for MC systems but often assumes fixed components.
    • Mobile transmitters and receivers are common in real-world MC applications.

    Purpose of the Study:

    • To develop and evaluate clock synchronization schemes for mobile MC systems.
    • To address challenges posed by mobile components and molecule synthesis time.
    • To enhance the reliability of information exchange in dynamic nano/micro-environments.

    Main Methods:

    • Proposed two novel clock synchronization schemes: least square and peak time methods.
    • Incorporated molecule synthesis time into synchronization algorithms.
    • Analyzed the impact of receiver movement on signal reception.
    • Utilized simulations to assess scheme performance.

    Main Results:

    • The proposed schemes effectively estimate clock offset between mobile MC components.
    • Different molecule types were used to mitigate synthesis time effects.
    • Receiver movement's influence on signal characteristics was analyzed.
    • Simulations demonstrated the viability and performance of the developed methods.

    Conclusions:

    • The developed clock synchronization schemes are suitable for mobile MC systems.
    • Consideration of molecule synthesis time and receiver movement improves synchronization accuracy.
    • This research advances the practical implementation of mobile nanodevice communication.