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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 9408086 B1

PDFFull Text
Expired
Date of Patent:
Aug. 02, 2016

Filed:

Dec. 27, 2012

Channel state information feedback apparatus and method in wireless communication system operating in fdd mode

Applicants:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Industry-academic Cooperation Foundation, Korea National University of Transportation, Chungju-si, Chungcheongbuk-do, KR;

Inventors:

Kiil Kim, Gyeonggi-do, KR;

Cheol Mun, Chungcheongbuk-do, KR;

Younsun Kim, Gyeonggi-do, KR;

Juho Lee, Gyeonggi-do, KR;

Hyojin Lee, Seoul, KR;

Joonyoung Cho, Gyeonggi-do, KR;

Assignees:

Samsung Electronics Co., Ltd., , KR;

Industry-Academic Cooperation Foundation, Korean National University of Transportation, , KR;

Attorney:

The Farrell Law Firm, P.C.

Primary Examiner:

Shaq Taha

Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04W 24/02 (2009.01); H04L 5/00 (2006.01); H04B 7/04 (2006.01); H04W 16/28 (2009.01); H04W 72/08 (2009.01); H04L 25/02 (2006.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04W 24/02 (2013.01); H04B 7/0417 (2013.01); H04L 5/0023 (2013.01); H04B 7/0478 (2013.01); H04B 7/0639 (2013.01); H04L 25/0204 (2013.01); H04W 16/28 (2013.01); H04W 72/085 (2013.01);
Abstract

A Channel State Information (CSI) feedback method and apparatus is provided for transmitting, at a base station, the CSIs for plural transmit antennas with a limited amount resource and receiving, at a mobile station, the CSIs efficiently in a massive Multiple Input Multiple Output (MIMO) system operating in the Frequency Division Duplex (FDD) mode.

Find Patent Forward Citations

Quick Actions:

Kim, Kiil. (2016). Channel state information feedback apparatus and method in wireless communication system operating in fdd mode (U.S. Patent No. 9408086). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9408086

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