Abstract
Molecular communication is a novel nanoscale communication method. It can use ions, biochemical molecules or other information carriers to transmit information. However, due to molecules are easily accumulated in the channel to produce strong internal symbol interference, the information transmission in the channel is vulnerable to a low reliability. Therefore, reliability has become an important research issue in the field of molecular communication. At present, the existing reliability model of molecular communication does not take into account the drift velocity of the medium. Nevertheless, in some scenarios, it is often necessary to consider the effect of the drift velocity of the medium on the reliability of molecular communication. In this paper, we introduce the drift velocity of the medium and propose a reliability model of molecular communication based on drift diffusion (MCD2) in different topologies. Furthermore, in the case of transmission failure, a retransmission mechanism is used to ensure reliable transmission of information. Finally, we also compare the reliability performance of molecular communication between reliability model of MCD2 and reliability model of molecular communication based on free diffusion. The simulation results indicate that the proposed reliability model is superior to the existing reliability model of molecular communication based on free diffusion in analyzing the reliability of MCD2.
Highlights
IntroductionAmong the above four communication methods, researchers have found that molecular communication is the most likely way to achieve communication between nanomachines
The simulation results indicate that the proposed reliability model is superior to the existing reliability model of molecular communication based on free diffusion in analyzing the reliability of MCD2
1) Our Contribution According to the existing research of molecular communication reliability, we introduced the drift velocity of the medium to propose a reliability model of molecular communication based on drift diffusion under different topologies
Summary
Among the above four communication methods, researchers have found that molecular communication is the most likely way to achieve communication between nanomachines This mainly depends on bio-inspired molecular communication, which generally uses chemical signals, cells or organelles, and DNA as vectors to transmit information to adapt to functional characteristics of nanomachine. The main goal in the field of molecular communication is to enable nanomachine can communicate with each other in a biological environment In this new mode of communication, information can be encoded as a carrier. The motivation of this paper is to analyze the reliability of molecular communication on the premise of drift velocity Based on this goal, we propose a reliability model of molecular communication based on drift diffusion under different topologies.
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