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:
Feb. 25, 2025

Filed:

Dec. 19, 2023
Applicant:

Panasonic Intellectual Property Corporation of America, Torrance, CA (US);

Inventors:

Lei Huang, Singapore, SG;

Yoshio Urabe, Nara, JP;

Rojan Chitrakar, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/02 (2006.01); H04B 7/0417 (2017.01); H04B 7/0452 (2017.01);
U.S. Cl.
CPC ...
H04B 7/0452 (2013.01); H04B 7/0417 (2013.01);
Abstract

The present disclosure provides communication apparatus and communication method for channel estimation. The communication apparatus comprises a transmitter, which in operation, transmits a physical layer protocol data unit (PPDU) to one or more other communication apparatus in a multiple-input multiple-output (MIMO) wireless network, the PPDU including a long training field (LTF) that facilitates the one or more other communication apparatus to estimate respective channels for respective communications with the communication apparatus; and a controller, which in operation, establishes the number of LTF symbols (N) for generating the LTF in the PPDU, wherein the Ndepends on a maximum value (N) of the number of space-time streams for each resource unit (RU) in the PPDU.


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