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.:
Date of Patent:
Jan. 25, 2022
Filed:
May. 14, 2018
Applicant:
Nokia Technologies Oy, Espoo, FI;
Inventors:
Marijan Herceg, Osijek, HR;
Tomislav Matic, Osijek, HR;
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04L 27/2607 (2013.01); H04L 27/2627 (2013.01);
Abstract
A method of non-coherent ambient backscatter communication including: receiving, by a wireless device, an ambient orthogonal frequency-division multiplexing (OFDM) symbol that includes a cyclic prefix at a first portion of the OFDM symbol that is a copy of a second portion of the OFDM symbol; modulating, by the wireless device, at least part of the received ambient OFDM symbol, including: modulating either the first portion or the second portion of the ambient OFDM symbol with data; and reflecting, by the wireless device, at least the first portion and the second portion of the modulated OFDM symbol.