Patents by Inventor Jiawei Luo

Jiawei Luo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240353613
    Abstract: A hydrogen diffusion barrier is included as an intra-cladding layer (i.e., a “ring”) within an optical fiber structure. The hydrogen diffusion barrier ring may comprise alumina (or other glass oxides) and is positioned within the fiber cladding at an optimum location with respect to the central core region of the optical fiber. The thickness of the barrier ring may be controlled by fabrication processes to control properties such as hydrogen permeability. Other alkali and alkaline earth metal oxides may be included in the composition of the barrier ring and are useful in preventing crystal formation during the fiber fabrication process.
    Type: Application
    Filed: August 29, 2022
    Publication date: October 24, 2024
    Applicant: OFS Fitel, LLC
    Inventors: Tristan Kremp, Jie Li, Jiawei Luo, Andrei A Stolov
  • Publication number: 20230345327
    Abstract: A cell handover method and apparatus, and user equipment are provided. The method includes: when User Equipment (UE) camps on a first cell, obtaining first information, where the first information is used to indicate an abnormal situation when the UE uses a data network corresponding to the first cell; and when the first information meets a first preset condition, handing over from the first cell to a second cell, where the second cell is a cell whose signal quality parameter meets a second preset condition, or the second cell is a cell with the highest access priority; where the first information includes at least one of the following: information about a target data packet, network-related information corresponding to at least one application, a target uplink resource, a data accumulation amount at a data link layer, and a channel quality parameter of the first cell.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 26, 2023
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Jiawei LUO, Jinning HUANG, Yi HE
  • Publication number: 20220052502
    Abstract: Bismuth (Bi) doped optical fibers (BiDF) and Bi-doped fiber amplifiers (BiDFA) are shown and described. The BiDF comprises a gain band and an auxiliary band. The gain band has a first center wavelength (?1) and a first six decibel (6 dB) gain bandwidth. The auxiliary band has a second center wavelength (?2), with ?2>?1. The system further comprises a signal source and a pump source that are optically coupled to the BiDF. The signal source provides an optical signal at ?1, while the pump source provides pump light at a pump wavelength (?3).
    Type: Application
    Filed: September 13, 2019
    Publication date: February 17, 2022
    Applicant: OFS Fitel, LLC
    Inventors: Jiawei Luo, Vitaly Mikhailov
  • Publication number: 20100235359
    Abstract: A file retrieval method of a file allocation table (FAT) system is provided, which includes steps of: A: acquiring cluster numbers of all clusters of a file; B: sorting the cluster numbers to create a cluster number index table; and C: looking up the cluster number index table to obtain a cluster number of a file cluster to be retrieved, and acquiring a content of the file cluster to be retrieved from a physical storage address corresponding to the cluster number. A file retrieval device is further provided, which includes a central processing unit (CPU) and an address index storage unit. The address index storage unit stores a cluster number index table of sorted cluster numbers of all clusters of a file. The CPU is adapted to obtain a cluster number of a file cluster to be retrieved according to the cluster number index table during retrieving and acquire a content of the file cluster to be retrieved from a physical storage address corresponding to the cluster number.
    Type: Application
    Filed: November 27, 2007
    Publication date: September 16, 2010
    Applicant: SHENZHEN MPR TECHNOLOGY CO., LTD.
    Inventors: Zhengfang Li, Yingfeng Lv, Jiawei Luo