Channel capacity optimization method for diffusion-based multi-user molecular communication model

A technology of molecular communication and optimization method, applied in the fields of nanotechnology, biotechnology, and communication

Active Publication Date: 2018-05-22
ZHEJIANG UNIV OF TECH
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Problems solved by technology

Therefore, the research on the diffusion-based multi-user molecular communication model also faces many challenges, one of which is how to improve the channel...

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  • Channel capacity optimization method for diffusion-based multi-user molecular communication model
  • Channel capacity optimization method for diffusion-based multi-user molecular communication model
  • Channel capacity optimization method for diffusion-based multi-user molecular communication model

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Embodiment Construction

[0079] The present invention will be further described below in conjunction with the accompanying drawings.

[0080] refer to Figure 1 to Figure 6 , a channel capacity optimization method based on a diffusion-based molecular communication model, comprising the following steps:

[0081] The first step is to use the normal distribution to approximate the binomial distribution to obtain the number of molecules received by the RN in the current time slot. The process is as follows:

[0082] In the binary diffusion-based multi-user molecular communication model, the input and output are binary information bits 1 or 0, and OOK is used as the modulation technology, that is, the sender nanomachine TN expresses sending bit 1 by releasing a certain number of molecules, and does not release any Molecule means sending bit 0. Once the molecule is released into the biological environment, it will diffuse freely. When it moves to the detection range of the receiving nanomachine RN, it will...

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Abstract

The invention discloses a channel capacity optimization method for a diffusion-based multi-user molecular communication model. The method comprises the following steps of step 1.using normal distribution to approach binary distribution to acquire the number of received molecules of an RN at the current time slot; step 2.establishing a hypothesis detection channel model for a diffusion-based molecular communication model; step 3.acquiring a mathematical expression of an optimal decision threshold value by utilizing a minimum error probability judgment criterion in order to acquire an optimal decision threshold value eta; and step 4.acquiring an optimal channel capacity value based on the optimal decision threshold value eta. According to the channel capacity optimization method based on thediffusion-based multi-user molecular communication model, which is provided by the invention, the channel capacity can be effectively improved.

Description

technical field [0001] The invention relates to biotechnology, nanotechnology and communication technology, and is a channel capacity optimization method based on a diffusion-based multi-user molecular communication model. Background technique [0002] In recent years, nanotechnology has developed rapidly, which has paved the way for the manufacture of nanomachines (Nanomachines) as the basic unit of nanoscale communication. Since the functions and communication capabilities of individual nanomachines are quite limited, nanoscale communication networks that can interconnect and cooperate with these nanomachines to complete more complex tasks have been continuously proposed. At the micro-nano scale, electromagnetic-based nanocommunication is not applicable due to the limitation of electromagnetic signal wavelength and antenna size ratio, and the molecular communication model using molecules as information transfer carriers is generally considered the most promising. One of t...

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Application Information

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IPC IPC(8): H04B17/382H04B17/391H04L12/24
CPCH04L41/0823H04B17/382H04B17/391
Inventor 程珍章益铭赵慧婷林飞
Owner ZHEJIANG UNIV OF TECH
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