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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 10484215 B1

PDFFull Text
Date of Patent:
Nov. 19, 2019

Filed:

Apr. 27, 2018

Asynchronous transmission for nfc card emulation mode

Applicant:

Huawei International Pte. Ltd., Singapore, SG;

Inventors:

Harya Wicaksana, Singapore, SG;

Zhan Yu, Singapore, SG;

Rui Yu, Singapore, SG;

Assignee:

Huawei International Pte. Ltd., Singapore, SG;

Attorney:

Leydig, Voit & Mayer, Ltd.

Primary Examiner:

Jean B Corrielus

Int. Cl.
CPC ...
H04L 27/00 (2006.01); G06K 19/07 (2006.01); H04B 5/00 (2006.01); H04L 27/26 (2006.01); H04W 4/80 (2018.01); H04L 27/34 (2006.01);
U.S. Cl.
CPC ...
H04L 27/0014 (2013.01); G06K 19/0723 (2013.01); H04B 5/0031 (2013.01); H04L 27/2657 (2013.01); H04L 27/34 (2013.01); H04L 2027/003 (2013.01); H04W 4/80 (2018.02);
Abstract

A system and method for an NFC card for use in asynchronous NFC card emulation mode transmission. The method comprises estimating carrier frequency offset between a carrier frequency of a NFC reader and a carrier frequency of the NFC card, adjusting digital baseband sampling of the baseband sample output at the NFC card emulation mode transmitter based on the estimated carrier frequency offset to obtain an adjusted baseband sample output and modulating a RF transmitter in the NFC card emulation mode transmitter based on the adjusted baseband sample output.

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Quick Actions:

Wicaksana, Harya. (2019). Asynchronous transmission for nfc card emulation mode (U.S. Patent No. 10484215). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10484215

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