Patents by Inventor Asbjörn Grölen

Asbjörn Grölen 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).

  • Network access of a wireless device to a communications network
    Patent number: 9661663
    Abstract: A communications network is being accessed by a wireless device associated with a coverage class selected from a set of coverage classes. The wireless device performs a method comprising initiating network access to the communications network by transmitting a preamble sequence for random access on a physical random access channel during a starting opportunity defined by the coverage class of the wireless device. Each coverage class may be associated with a unique number of repetitions of the preamble sequence transmission.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: May 23, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Xingqin Lin, Ansuman Adhikary, Johan Mikael Bergman, Yufei Blankenship, Asbjörn Grölen, Hazhir Shokri Razaghi, Yutao Sui, Yi-Pin Eric Wang