Pulse Shaping for MC via Particle Size

IF 2.4 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Pub Date : 2023-03-08 DOI:10.1109/TMBMC.2023.3254436

Wayan Wicke;Rebecca C. Felsheim;Lukas Brand;Vahid Jamali;Helene M. Loos;Andrea Buettner;Robert Schober

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引用次数: 2

Abstract

In molecular communication (MC), combining different types of particles at the transmitter is a degree of freedom which can be utilized to improve performance. In this paper, we address the problem of pulse shaping to simplify time synchronization requirements by exploiting and combining the received signal characteristics of particles of different sizes. In particular, we optimize the mixture of particles of different sizes used for transmission in order to support a prescribed detection time period for on-off keying, guaranteeing on average 1) a sufficiently large received signal if a binary one is transmitted, and 2) a low enough received signal if a binary zero is transmitted even in the presence of inter-symbol interference. For illustration, we consider an optimization problem based on a free space diffusion channel model. It is shown that there is a tradeoff between the maximum feasible detection duration and the peak detection value for different particle sizes from the smallest particle size enabling the largest detection duration to the largest particle size minimizing the peak detection value at the expense of a limited detection duration.

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基于粒度的MC脉冲整形

在分子通信（MC）中，在发射器处组合不同类型的粒子是一种可以用来提高性能的自由度。在本文中，我们通过利用和组合不同大小粒子的接收信号特性来解决脉冲整形问题，以简化时间同步要求。特别是，我们优化了用于传输的不同大小粒子的混合物，以支持开关键控的规定检测时间段，平均保证1）如果发送二进制1，则接收信号足够大；2）如果即使在存在符号间干扰的情况下发送二进制0，则接收信号足够低。为了说明，我们考虑了一个基于自由空间扩散通道模型的优化问题。结果表明，对于不同粒径的最大可行检测持续时间和峰值检测值之间存在折衷，从实现最大检测持续时间的最小粒径到以有限检测持续时间为代价最小化峰值检测值的最大粒径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Mathematics-Modeling and Simulation

CiteScore

3.90

自引率

13.60%

发文量

期刊介绍： As a result of recent advances in MEMS/NEMS and systems biology, as well as the emergence of synthetic bacteria and lab/process-on-a-chip techniques, it is now possible to design chemical “circuits”, custom organisms, micro/nanoscale swarms of devices, and a host of other new systems. This success opens up a new frontier for interdisciplinary communications techniques using chemistry, biology, and other principles that have not been considered in the communications literature. The IEEE Transactions on Molecular, Biological, and Multi-Scale Communications (T-MBMSC) is devoted to the principles, design, and analysis of communication systems that use physics beyond classical electromagnetism. This includes molecular, quantum, and other physical, chemical and biological techniques; as well as new communication techniques at small scales or across multiple scales (e.g., nano to micro to macro; note that strictly nanoscale systems, 1-100 nm, are outside the scope of this journal). Original research articles on one or more of the following topics are within scope: mathematical modeling, information/communication and network theoretic analysis, standardization and industrial applications, and analytical or experimental studies on communication processes or networks in biology. Contributions on related topics may also be considered for publication. Contributions from researchers outside the IEEE’s typical audience are encouraged.