Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

System for bidirectional free-space laser communication of gigabit Ethernet telemetry data

A communication system and optical communication technology, applied in the field of free space atmospheric laser communication system, can solve problems such as beam drift and optical system component design problems

Active Publication Date: 2016-10-26
THE BOEING CO
View PDF5 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are three main problems with the optical transmission of telemetry data: (1) Free-space laser communication has atmospheric turbulence effects that cause beam drift between the transmitter location and the receiver location
Issues (1) and (2) are inherent in free-space optical communications; issue (3) is a design issue for optical system components

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • System for bidirectional free-space laser communication of gigabit Ethernet telemetry data
  • System for bidirectional free-space laser communication of gigabit Ethernet telemetry data
  • System for bidirectional free-space laser communication of gigabit Ethernet telemetry data

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Various embodiments of a free-space laser communication system for GBE telemetry data will now be described in detail for purposes of illustration. At least some details relating to optical features or aspects disclosed below may be omitted in some applications without departing from the scope of the appended claims of the invention.

[0023] figure 1 are components illustrating a two-way free-space laser communication system for GBE telemetry data according to one embodiment. figure 1 The system shown includes a first laser communication system 100 on the ground and a second laser communication system 200 on a mobile platform such as an aircraft. However, those skilled in the art will recognize that laser communication systems 100 and 200 could be placed on the respective aircraft to enable air-to-air communication.

[0024] still refer to figure 1 , the laser communication system 100 includes a pointing / tracking / acquisition (PTA) telescope 122 , and the laser commu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A free-space laser communication system for bidirectional transmission of telemetry data in Gigabit Ethernet (GBE) protocol using a dual atmospheric effect mitigation approach. This free-space bidirectional GBE laser communication system utilizes an Optical Combining Receiver Array and a Framer / Forward Error Correction / Interleaver (FFI) device to mitigate the combined effects of atmospheric turbulence and channel fading. Since the FFI device is designed for Synchronous Optical Network (SONET) protocol, an intelligent (or smart) media converter is used to convert GBE telemetry data to SONET frames, which enables the FFI device to perform an error correction algorithm and provide a seamless error-free GBE laser communication link for distance over a kilometer. This bidirectional laser communication system can be implemented with low-cost commercially available components.

Description

technical field [0001] The present disclosure relates generally to free space laser communication systems. More specifically, the present disclosure relates to free-space atmospheric laser communication systems with faulty control circuits. Background technique [0002] Telemetry is the automated communication process by which additional data collected at remote or inaccessible points is measured and transmitted to a receiving device for monitoring. For example, it is known to acquire telemetry data on board an aircraft and then transmit this data to a receiver on the ground in response to remote control commands from the ground. One existing solution employs a radio frequency (RF) link to transmit telemetry data between the aircraft and the ground station. Disadvantages of using an RF link include low data rates and susceptibility to electromagnetic interference. [0003] Optical communication systems for free-space atmospheric lasers transmit and receive information by ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/60H04B10/11H04B10/67H04J3/06
CPCH04B10/11H04B10/60H04B10/677H04J3/0623H04B10/1125H04B10/1129H04B10/112
Inventor 埃里克·延-尤·钱乔纳森·M·圣克莱尔
Owner THE BOEING CO
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com