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A low-power ocean sensing data return method

A technology of sensing data and low power consumption, applied in the direction of reducing energy consumption, signal transmission system, advanced technology, etc., can solve problems such as small coverage and network transmission conflicts

Active Publication Date: 2021-05-11
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The network topology structure adopted by the present invention can solve the problem of small coverage in the current scheme, and effectively solve problems such as conflicts and failures in network transmission, thereby improving key performances such as network throughput and reception rate

Method used

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  • A low-power ocean sensing data return method
  • A low-power ocean sensing data return method
  • A low-power ocean sensing data return method

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Embodiment

[0071] Embodiment: In order to make the purpose, technical solution and advantage of the embodiment of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described implementation Examples are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0072] The technical scheme of the embodiment of the present invention adopts the LoPy4 chip and the Expansion board 3.1 development board of Pycom Company.

[0073] The antenna adopts the omnidirectional antenna with the full-band gain of 3dBi / 6dBi and the 433MHz directional antenna with the gain of 5dBi and the lobe width of 120 / 85 respectivel...

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Abstract

The invention belongs to the technical field of wireless communication, and discloses a method for returning low-power ocean sensing data, including the deployment of LoRa multi-hop network topology for static environments, routing algorithms, data packet conflict detection and fault recovery. The ocean sensing data return method described in the present invention can solve the problems of slow ocean data transmission, high power consumption, and short coverage in the prior art, and effectively reduce performance loss caused by single point failures and data conflicts, thereby improving ocean Timeliness and utilization of sensing information.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a method for returning low-power ocean sensing data. Background technique [0002] Marine sensing data is of great significance to marine environmental protection, marine animal exploration, maritime search and rescue, etc. Data collection and return usually need to be composed of sensors and transceivers. With the continuous improvement of new materials and waterproof technology, perception technology is no longer the bottleneck restricting its development. [0003] However, the current data transmission technologies that can be applied at sea have obvious disadvantages. Acoustic-based techniques are widely used for underwater transmissions, but would not be used for airborne transmissions due to their speed limitations. Wi-Fi based on the 802.11 protocol and ZigBee based on 802.15.4 are widely used in many scenarios, but their single-point coverage...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/38H04W84/18G08C17/02
CPCG08C17/02H04W84/18H04W4/38Y02D30/70
Inventor 房建覃振权王雷卢炳先朱明王治国
Owner DALIAN UNIV OF TECH