Diffusion-Based Anti-Interference Joint Modulation in MIMO Molecular Communication

IF 2.4 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Pub Date : 2023-11-29 DOI:10.1109/TMBMC.2023.3336259

Guodong Yue;Guoying Lin;Qiang Liu;Kun Yang

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Abstract

Molecular communication (MC) is a significant technology in the field of nano-biology, which uses molecules as message carriers to transmit information. Diffusion channel model is the most common channel model base on Brownian motion in molecular communication since molecules can diffuse to the destination without the need of extra energy supply. However, the random Brownian motion brings high delay and uncertainty to the communication process and thus modulation methods are required to improve the communication performance. The molecular communication system in the SISO (Single Input Single Output) scenario will be seriously affected by ISI (Inter Symbol Interference). In MIMO (Multi-Input Multi-Output) scenario, since there are multiple transmitters and receivers, in addition to ISI, there will be ILI (Inter Link Interference) as well. At present, most modulations are based on the concentration, type, time and space of molecules and only focus on SISO scenario. In this study, inspired by the MoSK (Molecule Shift Keying) modulation method, we proposed a new joint modulation method for MIMO communication in order to minimize the effect of ISI and ILI. Numerical results show that compared with the current modulation scheme, the proposed scheme allows the MIMO system achieve better BER (Bit error rate) performance and transmission rate.

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多输入多输出分子通信中基于扩散的抗干扰联合调制

分子通讯（MC）是纳米生物学领域的一项重要技术，它利用分子作为信息载体来传输信息。扩散信道模型是分子通讯中最常见的基于布朗运动的信道模型，因为分子可以扩散到目的地而不需要额外的能量供应。然而，随机布朗运动会给通信过程带来高延迟和不确定性，因此需要采用调制方法来提高通信性能。在 SISO（单输入单输出）情况下，分子通信系统会受到 ISI（符号间干扰）的严重影响。在 MIMO（多输入多输出）情况下，由于有多个发射器和接收器，除了 ISI 外，还会出现 ILI（链路间干扰）。目前，大多数调制都是基于分子的浓度、类型、时间和空间，并且只关注 SISO 场景。本研究受 MoSK（分子移频键控）调制方法的启发，提出了一种用于 MIMO 通信的新型联合调制方法，以最大限度地降低 ISI 和 ILI 的影响。数值结果表明，与当前的调制方案相比，所提出的方案能使多输入多输出系统获得更好的误码率（BER）性能和传输速率。

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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.