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A hybrid MAC protocol optimization design method based on wireless optical communication

A technology of wireless optical communication and protocol optimization, applied in the field of communication, to achieve the effect of improving utilization rate and time slot utilization rate

Active Publication Date: 2020-11-06
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to aim at the above-mentioned deficiencies in the prior art, to provide a hybrid MAC protocol optimization design method based on wireless optical communication, to solve or improve the above-mentioned problems

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  • A hybrid MAC protocol optimization design method based on wireless optical communication
  • A hybrid MAC protocol optimization design method based on wireless optical communication
  • A hybrid MAC protocol optimization design method based on wireless optical communication

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Embodiment Construction

[0040] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0041] According to an embodiment of the present application, refer to figure 1 , the hybrid MAC protocol optimization design method based on wireless optical communication in this scheme, including:

[0042] S1. The Sink node wakes up other nodes with instructions, and the other nodes wake up at a random time, and start to run for the cluster head election and seize the time slot;

[0043] S2. Enter the downlink transmiss...

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Abstract

The invention discloses a hybrid MAC protocol optimization design method based on wireless optical communication, which includes S1 and Sink nodes waking up other nodes with instructions, and the other nodes wake up at a random time, and start election for cluster head and preemption S2, enter the downlink transmission stage, perform relative positioning between nodes and cluster head update tasks, and complete the task of transmitting downlink instructions and updating cluster heads in each odd round; S3, enter the uplink stage, based on link quality evaluation The time slot transfer mechanism is used to optimize the time slot in the delay-tolerant network. The invention optimizes the time slot in the delay-tolerant network based on the time slot transfer mechanism of the link quality evaluation, and improves the time slot utilization rate of the networking.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a hybrid MAC protocol optimization design method based on wireless optical communication. Background technique [0002] There are few existing methods for solving the delay-tolerant state in the optical communication network based on the MAC protocol. Some delay-tolerant MAC methods that focus on underwater acoustic communication networks are commonly used in two ways. One is to increase the time slot by retransmitting data. Utilization, but the essence of this method is to reduce energy consumption in exchange for an increase in time slot utilization, which is not a practical method for networks that are deployed underwater and difficult to replace and replenish energy; One is to balance the energy consumption of the network by adding AUVs to the network. This method is mainly used to reduce the delay tolerance caused by the unbalanced energy consumption of nod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/06H04W40/22H04W74/08H04J14/02
Inventor 杨帆王璐甲何青兰
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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