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.

Date of Patent:
Jan. 07, 2020

Filed:

Sep. 23, 2016
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Srinivas Yerramalli, San Diego, CA (US);

Arumugam Chendamarai Kannan, San Diego, CA (US);

Jing Lei, San Diego, CA (US);

Sridhar Ramanujam, San Diego, CA (US);

Yongbin Wei, La Jolla, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/08 (2009.01); H04W 24/10 (2009.01); H04L 12/26 (2006.01); H04W 28/02 (2009.01);
U.S. Cl.
CPC ...
H04W 72/082 (2013.01); H04L 43/16 (2013.01); H04W 24/10 (2013.01); H04W 28/0236 (2013.01);
Abstract

The disclosure provides for detecting interference in wireless communications. A wireless devices may receive an interfering signal on a portion of unlicensed spectrum. The wireless device may perform cyclic autocorrelation on the interfering signal to determine one or both of a cyclic prefix length and a symbol period. The wireless device may determine a radio access technology of the interfering signal based on one or both of the cyclic prefix length and the symbol period. In an aspect, the wireless device may further transmit an interference report including information regarding the interfering signal including the cyclic prefix length, symbol period, identified radio access technology, or packet length.


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