Nec corporation (20240107207). REPEATER DEVICE AND TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM simplified abstract

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REPEATER DEVICE AND TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM

Organization Name

nec corporation

Inventor(s)

Hiroshi Imai of Tokyo (JP)

REPEATER DEVICE AND TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240107207 titled 'REPEATER DEVICE AND TRANSMISSION CONTROL TECHNIQUES IN QUANTUM CRYPTOGRAPHIC COMMUNICATION SYSTEM

Simplified Explanation

The patent application describes a repeater device for optical transmission lines that can handle signal transferring and path switching in the presence of environmental changes. The device receives weak signal light and normal reference light and transmits them in a communication network.

  • Optical route selector that chooses input and output spatial links
  • Link state detector that monitors the link state (attenuation rate or transmission rate)
  • Controller that optimizes the selection of input and output spatial links based on the link state

Potential Applications

The technology can be applied in long-distance optical communication networks, submarine cables, and other environments where signal transmission may be affected by external factors.

Problems Solved

1. Maintaining signal integrity in optical transmission lines exposed to environmental changes 2. Efficient path switching and signal transferring in complex network configurations

Benefits

1. Improved reliability and stability of optical communication networks 2. Enhanced performance in challenging environmental conditions 3. Optimized signal transmission for better network efficiency

Potential Commercial Applications

"Optical Repeater Device for Resilient Signal Transmission in Communication Networks" can find applications in telecommunications companies, data centers, and internet service providers looking to enhance the reliability and performance of their optical networks.

Possible Prior Art

One potential prior art could be the use of optical amplifiers in optical communication networks to boost signal strength and extend transmission distances. However, the specific features of the repeater device described in this patent application, such as the link state detection and optimal spatial link selection, may represent novel advancements in the field.

Unanswered Questions

How does the repeater device handle signal interference in high-traffic network environments?

The patent application does not provide detailed information on how the repeater device mitigates signal interference in scenarios with high network traffic. Further research or experimentation may be needed to understand the device's performance in such conditions.

What is the power consumption of the repeater device compared to traditional optical amplifiers?

The patent application does not discuss the power consumption of the repeater device in comparison to traditional optical amplifiers. Understanding the energy efficiency of the device could be crucial for assessing its overall cost-effectiveness and environmental impact.


Original Abstract Submitted

a repeater device that can achieve signal transferring and path switching in optical transmission lines susceptible to environmental changes is provided. the repeater device receives weak signal light and normal reference light and transmits them in a communication network. the repeater includes: an optical route selector that selects an input-side spatial link connected to an upstream adjacent node and an output-side spatial link connected to a downstream adjacent node; a link state detector that detects a link state of at least one of the input-side spatial link and the output-side spatial link, wherein the link state is an attenuation rate or a transmission rate; and a controller that controls the optical route selector to select an optimal pair of output-side spatial link and input-side spatial link according to the link state.