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:
Jul. 13, 2010

Filed:

Sep. 06, 2005
Applicants:

Ji-hyung Kim, Seoul, KR;

Dae-sik Hong, Seoul, KR;

Dong-jun Lee, Seoul, KR;

Jong-han Kim, Suwon-si, KR;

Byung-jun Park, Seoul, KR;

Jong-ae Park, Yongin-si, KR;

Inventors:

Ji-Hyung Kim, Seoul, KR;

Dae-Sik Hong, Seoul, KR;

Dong-Jun Lee, Seoul, KR;

Jong-Han Kim, Suwon-si, KR;

Byung-Jun Park, Seoul, KR;

Jong-Ae Park, Yongin-si, KR;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A channel estimation method in a Multiple Input Multiple Output (MIMO) mobile communication system having a plurality of transmission antennas and a plurality of reception antennas is provided. In a method of transmitting, by a transmitter, channel estimation signals for channel estimation at a receiver, the transmission antennas transmit the same channel estimation signals for a first frame transmission duration, and transmit predetermined channel estimation signals corresponding to the number of the transmission antennas for a second frame transmission duration.


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