92 patents
Utility
Method and Apparatus of Distributed Acoustic Sensing
11 Jan 24
There is provided a method and an apparatus of fiber optic distributed acoustic sensing (DAS) which can use low-cost coherent laser as well as low-cost acquisition and processing electronics and which can still provide reliable monitoring results for optical fiber monitoring and troubleshooting applications in optical fiber telecommunication networks.
Hongxin CHEN, Michel LEBLANC, Michel LECLERC
Filed: 5 Jun 23
Utility
Signature recognition on optical-fiber connector endfaces
21 Nov 23
There is therefore provided a method, system and computer program for detecting duplicate optical-fiber connector endface inspections performed on a same optical-fiber connector.
Olivier Cote, Nicolas Caron, Mario L'Heureux, Robert Baribault
Filed: 31 Jul 20
Utility
Adapter Tip and Microscope System for Inspecting Duplex Fiber-optic Connector Endfaces
16 Nov 23
There is provided an adapter tip to be employed with an optical-fiber connector-endface inspection microscope device and an optical-fiber connector endface inspection microscope system suitable for imaging the endface of a duplex optical-fiber connector.
Olivier COTE, Mario L'HEUREUX, Raphael LABERGE
Filed: 2 May 23
Utility
Optical test instrument with removable cartridge
15 Aug 23
An optical test instrument, in combination with a removable connector cartridge is provided.
Michael Simard, Kristine Palanjyan, Stephane Perron
Filed: 27 May 21
Utility
RF spectrum analyzer for TDD transmission that maintains synchronization between UL and DL with a single antenna
10 Aug 23
A Radio Frequency (RF) spectrum analyzer includes an RF front end including a single antenna configured to monitor a wireless network that includes Time Division Duplexing (TDD); and circuitry connected to the RF front end and configured to operate and monitor the wireless network both in a spectrum analyzer mode and a signal analyzer mode, utilize the signal analyzer mode to extract synchronization information from the monitored wireless network, derive a start of frame of a radio frame from said the synchronization information; and utilize the synchronization information to identify an acquisition window to synchronize a gate in the spectrum analyzer mode.
Dominic LAPIERRE, Luc GERMAIN
Filed: 22 Dec 22
Utility
Duplex Optical Power Loss Measurement Using an Adaptor Device
20 Jul 23
There is provided herein a solution for measuring the optical power loss of duplex optical-fiber devices under test, and particularly those terminated with a duplex connector interface, which allows for a one-cord or one-cord equivalent testing method whichever the format of the duplex connector interface of the optical-fiber device under test, and this without disconnecting the optical fibers of the device under test from their duplex native connector interface.
Michel LECLERC, Nicholas COLE
Filed: 12 Jan 23
Utility
Optical fiber recognition using backscattering pattern
16 May 23
There are provided methods and systems that enable the use of the backscattering pattern produced by an optical fiber in an OTDR trace as a signature (also referred to herein as the “RBS fingerprint”) to recognize an optical fiber.
Michel Leclerc, Pascal Gosselin-Badaroudine, Stephane Perron
Filed: 28 Jun 21
Utility
Adapter tip and microscope system for inspection of fiber-optic connector endfaces
9 May 23
There is provided an adapter tip to be employed with an optical-fiber connector endface inspection microscope and an optical-fiber connector endface inspection microscope system suitable for imaging the optical-fiber endface of an angled-polished optical-fiber connector deeply recessed within a connector adapter.
Jean Filion, Olivier Cote
Filed: 27 Jul 21
Utility
Optical fiber endface inspection microscope having adapter tip detection and autoconfiguration
11 Apr 23
There are provided an optical-fiber connector endface inspection microscope system and a method for inspecting an endface of an optical-fiber connector.
Mario L'Heureux, Guillaume Lavallee, Robert Baribault
Filed: 30 Aug 21
Utility
Early Detection of Quality Control Test Failures for Manufacturing End-to-end Testing Optimization
2 Mar 23
Example embodiments are disclosed of systems and methods for predicting failure probabilities of future product tests of a testing sequence based on outcomes of prior tests.
Jonathan PLANTE, Justin WHATLEY, Sylvain NADEAU
Filed: 19 Aug 22
Utility
Transceiver agnostic GOSNR measurement
28 Feb 23
There is herein provided a method for measuring the GOSNR that can be implemented using commercial-grade transceivers and which accounts for linear optical impairments (e.g.
Gang He, Daniel Gariepy
Filed: 24 Feb 21
Utility
Communication Network Performance and Fault Analysis Using Learning Models with Model Interpretation
2 Feb 23
In an embodiment computer-readable training data records characterizing operation of a communication network may be used to train a machine learning (ML) model of network performance to predict expected performance characteristics, each training data record including operational features and observed performance characteristics of the communication network.
Justin M. Whatley
Filed: 14 Jul 22
Utility
Automated narrow peak interference severity estimation
27 Dec 22
A method comprising obtaining, via a test system, data from one or more tests of a mobile network having at least one antenna, wherein the data includes a stream of RF samples captured over-the-air or from a Common Public Radio Interface (CPRI) or enhanced CPRI (eCPRI) link; processing the data to detect peaks; performing an analysis of any detected peaks to identify any issues on the mobile network, the analysis including determining a relative power of the detected peaks; and causing display of a user interface that includes a reporting of any the relative power.
Marco Di Pietro, Martin Levesque
Filed: 1 Dec 20
Utility
Spectral Averaging of Otdr Traces
8 Dec 22
There is provided a technique to reduce the Rayleigh coherence noise in OTDR measurements using spectral averaging of OTDR traces while at least partly cancelling chromatic dispersion pulse broadening on the averaged OTDR trace by applying a chromatic dispersion correction prior to averaging the OTDR traces.
Michel LECLERC
Filed: 6 May 22
Utility
Offset nulling for optical power meters
6 Dec 22
There is provided an optical power measurement method, an offset calibration method and an optical power meter that is adapted to apply the offset calibration method.
Nelu Radu
Filed: 26 Aug 20
Utility
Over-the-top media service testing and QoE issues isolation
6 Dec 22
A method for Over-The-Top (OTT) media service monitoring and testing including deploying multiple test agents throughout the network and orchestrating them together to create a single OTT media service delivery path with coherent measurement points.
Sylvain Nadeau, Kevin Corre
Filed: 18 Jun 21
Utility
Utilizing augmented reality to virtually trace cables
29 Nov 22
Systems and methods for utilizing Augmented Reality (AR) processes to track cables among a tangled bundle of cables are provided.
Jean Fontaine, Vinay Mandy
Filed: 3 Jun 21
Utility
Test method for characterizing an optical fiber link
25 Oct 22
There is provided a test method and system for characterizing an optical fiber link.
Stephane Perron, Eric Thomassin
Filed: 11 Mar 21
Design
Portable test instrument
4 Oct 22
Olivier Patry
Filed: 7 Dec 20
Utility
Visual Fiber Finder for Sequencing Optical Fiber Testing
25 Aug 22
There is provided optical power loss measurement method and system for that aims to provide a more productive way to perform optical power loss measurements involving test units typically at different locations.
Michel LECLERC
Filed: 25 Jan 22