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:
Jul. 08, 2014
Filed:
Feb. 10, 2012
Heejung Yu, Daejeon-si, KR;
IL Gu Lee, Seoul, KR;
Min Ho Cheong, Daejeon-si, KR;
Hun Sik Kang, Daejeon-si, KR;
Sok Kyu Lee, Daejeon-si, KR;
Heejung Yu, Daejeon-si, KR;
Il Gu Lee, Seoul, KR;
Min Ho Cheong, Daejeon-si, KR;
Hun Sik Kang, Daejeon-si, KR;
Sok Kyu Lee, Daejeon-si, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A channel sounding method in a wireless local area network (WLAN) system is provided. The method, performed by a transmitter, includes transmitting a null data packet announcement (NDPA) frame to a receiver to initiate a channel sounding procedure; transmitting a null data packet (NDP) to the receiver and receiving a feedback frame. The feedback frame includes a plurality of segment frames and a channel feedback report. The channel feedback report is split into a plurality of feedback segments. Each of the plurality of feedback segments is respectively included in each of the plurality of segment frames. The each of the plurality of segment frames includes a first-segment subfield indicating whether the each of the plurality of feedback segment included is a first segment and a remaining-segment subfield indicating the number of remaining feedback segments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile