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:
Aug. 07, 2012

Filed:

Jul. 01, 2008
Applicants:

In-soo Hwang, Yongin-si, KR;

Yung-soo Kim, Seongnam-si, KR;

Myeon-kyun Cho, Seongnam-si, KR;

Eun-seok Ko, Suwon-si, KR;

Vahid Tarokh, Cambridge, MA (US);

Inventors:

In-Soo Hwang, Yongin-si, KR;

Yung-Soo Kim, Seongnam-si, KR;

Myeon-Kyun Cho, Seongnam-si, KR;

Eun-Seok Ko, Suwon-si, KR;

Vahid Tarokh, Cambridge, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 25/49 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and a method for interference cancellation in a transmitting end of a multi-antenna system are provided. A precode is generated which maximizes a diversity gain of one or more receive antennas using channel information of the receive antennas to be serviced. Transmit powers of the receive antennas are updated by taking into account a power loss and a shaping loss according to a dirty paper coding. Transmit signals are precoded by updating the precode according to the updated transmit powers. The dirty paper coding is performed on the precoded transmit signals to be transmitted to the receive antennas.


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