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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 12323283 B1

PDFFull Text
Date of Patent:
Jun. 03, 2025

Filed:

Jan. 05, 2024

Method and apparatus for transmitting plcp frame in wireless local area network system

Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Dae Won Lee, Anyang-si, KR;

Dong Wook Roh, Anyang-si, KR;

Byeong Woo Kang, Anyang-si, KR;

Yong Ho Seok, Anyang-si, KR;

Yu Jin Noh, Anyang-si, KR;

Bong Hoe Kim, Anyang-si, KR;

Assignee:

Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;

Attorney:

Murphy, Bilak & Homiller, PLLC

Primary Examiner:

Janice N Tieu

Int. Cl.
CPC ...
H04L 27/26 (2006.01); H04B 7/0413 (2017.01); H04L 1/00 (2006.01); H04L 27/00 (2006.01); H04L 27/14 (2006.01); H04L 27/22 (2006.01); H04L 27/227 (2006.01); H04L 27/233 (2006.01); H04W 84/12 (2009.01); H03M 5/12 (2006.01); H04L 25/49 (2006.01); H04L 27/144 (2006.01); H04L 27/148 (2006.01); H04L 27/156 (2006.01); H04N 21/426 (2011.01); H04Q 1/46 (2006.01); H04W 28/06 (2009.01);
U.S. Cl.
CPC ...
H04L 27/261 (2013.01); H04B 7/0413 (2013.01); H04L 1/0041 (2013.01); H04L 1/0061 (2013.01); H04L 27/22 (2013.01); H04L 27/2613 (2013.01); H04W 84/12 (2013.01); H03M 5/12 (2013.01); H04L 25/4904 (2013.01); H04L 2027/0028 (2013.01); H04L 27/14 (2013.01); H04L 27/144 (2013.01); H04L 27/148 (2013.01); H04L 27/1563 (2013.01); H04L 27/2273 (2013.01); H04L 27/2331 (2013.01); H04L 27/2332 (2013.01); H04L 27/2647 (2013.01); H04N 21/426 (2013.01); H04Q 1/46 (2013.01); H04W 28/06 (2013.01);
Abstract

A method of transmitting a Physical Layer Convergence Procedure (PLCP) frame in a Very High Throughput (VHT) Wireless Local Area Network (WLAN) system includes generating a MAC Protocol Data Unit (MPDU) to be transmitted to a destination station (STA), generating a PLCP Protocol Data Unit (PPDU) by adding a PLCP header, including an L-SIG field containing control information for a legacy STA and a VHT-SIG field containing control information for a VHT STA, to the MPDU, and transmitting the PPDU to the destination STA. A constellation applied to some of Orthogonal Frequency Division Multiplex (OFDM) symbols of the VHT-SIG field is obtained by rotating a constellation applied to an OFDM symbol of the L-SIGfield.

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