能量受限分子通信中基于调度的传输信号整形

IF 2.4 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Pub Date : 2023-11-08 DOI:10.1109/TMBMC.2023.3329801
Mustafa Can Gursoy;Urbashi Mitra
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引用次数: 0

摘要

基于扩散的分子通信(DBMC)系统依靠分子的扩散传播来传递信息。在 DBMC 系统中,由于每个发射的分子都会经历随机延迟,因此脉冲整形对 DBMC 系统的可靠性和整体性能至关重要。为此,考虑到 DBMC 系统固有的资源有限性,本文引入了一个新颖的框架来模拟和优化 DBMC 发射器。利用无线数据包调度理论的工具,DBMC 脉冲整形问题被表述为一个能量受限的资源分配问题。通过所开发的框架,可以证明误差概率最小的最佳脉冲形状是延迟尖峰脉冲,其中产生的延迟是可用能量预算的递减函数。该框架随后被扩展到吸收式和被动/观测式接收器结构,以及在释放前分子会在发射器体内降解的系统。数值结果证实了所做的分析,并表明延迟尖峰在误差性能方面优于传统的非零宽度脉冲形状。
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Scheduling-Based Transmit Signal Shaping in Energy-Constrained Molecular Communications
Diffusion-based molecular communications (DBMC) systems rely on diffusive propagation of molecules to convey information. In a DBMC system, as each emitted molecule experiences a stochastic delay, pulse shaping is crucial for a DBMC system’s reliability and overall performance. To this end, acknowledging the inherent resource-limited nature of a DBMC system, a novel framework to model and optimize a DBMC transmitter is introduced in this paper. Leveraging tools from wireless packet scheduling theory, the DBMC pulse shaping problem is formulated as an energy-constrained resource allocation problem. Through the developed framework, it is shown that the provably optimal pulse shape that minimizes the error probability is the delayed-spike pulse, where the incurred delay is a decreasing function of the available energy budget. The framework is then extended to both absorbing and passive/observing receiver structures, as well as systems where molecules can degrade in the transmitter body prior to release. Numerical results corroborate the developed analysis, and show that the delayed-spike outperforms conventional, non-zero-width pulse shapes in terms of error performance.
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来源期刊
CiteScore
3.90
自引率
13.60%
发文量
23
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.
期刊最新文献
Table of Contents IEEE Transactions on Molecular, Biological, and Multi-Scale Communications Publication Information Guest Editorial Introduction to the Special Feature on the 8th Workshop on Molecular Communications Guest Editorial Special Feature on Seeing Through the Crowd: Molecular Communication in Crowded and Multi-Cellular Environments IEEE Communications Society Information
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