Patents by Inventor Themistoklis Charalambous

Themistoklis Charalambous 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).

  • Listen before talk for reference signals in MIMO systems
    Patent number: 10454641
    Abstract: According to certain embodiments, a method in a first wireless device (10A) comprises determining (100) an intended pilot sequence that the first wireless device (10A) intends to send to an access node (20), determining (112-116) whether another wireless device (10B; 10N) is using a similar pilot sequence, and transmitting (122) the intended pilot sequence to the access node (20) in a next available time instance in response to a determination that another wireless device (10B, 10N) is not using the similar pilot sequence.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: October 22, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Johnny Karout, Themistoklis Charalambous, Gabor Fodor, L. Srikar Muppirisetty, Henk Wymeersch
  • Listen Before Talk for Reference Signals in MIMO Systems
    Publication number: 20180241522
    Abstract: According to certain embodiments, a method in a first wireless device (10A) comprises determining (100) an intended pilot sequence that the first wireless device (10A) intends to send to an access node (20), determining (112-116) whether another wireless device (10B; 10N) is using a similar pilot sequence, and transmitting (122) the intended pilot sequence to the access node (20) in a next available time instance in response to a determination that another wireless device (10B, 10N) is not using the similar pilot sequence.
    Type: Application
    Filed: November 16, 2016
    Publication date: August 23, 2018
    Inventors: Johnny Karout, Themistoklis Charalambous, Gabor Fodor, L. Srikar Muppirisetty, Henk Wymeersch