The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11140557 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2021

Filed:

Nov. 11, 2016
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Ming Li, Beijing, CN;

Yanqiang Li, Beijing, CN;

Jinhua Liu, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 16/14 (2009.01); H04W 56/00 (2009.01); H04W 72/04 (2009.01); H04W 74/08 (2009.01); H04L 5/00 (2006.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 16/14 (2013.01); H04W 56/0045 (2013.01); H04W 72/0446 (2013.01); H04W 74/0808 (2013.01); H04L 5/0007 (2013.01); H04W 84/12 (2013.01);
Abstract

A method performed by a first wireless communication system operating on a first subframe structure in an unlicensed spectrum is disclosed. The method comprises determining a subframe timing difference between the first wireless communication system and a second wireless communication system operating on a second subframe structure in the unlicensed spectrum and determining whether timing difference exists between the first and second wireless communication systems based on the subframe timing difference. The method further comprises adjusting a subframe timing of the first wireless communication system, in response to determining the existence of the timing difference, to obtain a channel on an unlicensed carrier in the unlicensed spectrum for data communication by the first wireless communication system.


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