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:
Aug. 27, 2024

Filed:

Jun. 28, 2021
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventors:

Inwoong Kim, Allen, TX (US);

Olga I Vassilieva, Plano, TX (US);

Paparao Palacharla, Plano, TX (US);

Assignee:

FUJITSU LIMITED, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H03M 7/30 (2006.01); H04L 1/20 (2006.01); H04L 27/34 (2006.01); H04L 27/36 (2006.01);
U.S. Cl.
CPC ...
H04L 1/0023 (2013.01); H03M 7/6011 (2013.01); H03M 7/6047 (2013.01); H04L 1/0003 (2013.01); H04L 1/0033 (2013.01); H04L 1/206 (2013.01); H04L 27/3405 (2013.01); H04L 27/362 (2013.01);
Abstract

An example method may include obtaining multiple symbols each associated with a different state in a quadrature amplitude modulation scheme used for transmission of a data signal. The method may further include determining a sequence of symbols of the multiple symbols for a first portion of the data signal. The determining may include selecting an index value from multiple index values for the first portion of the data signal. The determining may also include obtaining energy states of multiple sequences of the symbols using the energy levels of the symbols. The determining may further include obtaining a relationship between the energy levels of the symbols, the energy states of the multiple sequences of the symbols, and the multiple index values. The determining may further include selecting the sequence of symbols based on the relationship and the index value for the first portion of the data signal.


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