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:
Sep. 23, 2014
Filed:
Feb. 01, 2011
Han Byul Seo, Anyang-si, KR;
Kaibin Huang, Seoul, KR;
Soon Suk Roh, Seoul, KR;
Sung Yoon Cho, Seoul, KR;
Hyuk Jin Chae, Seoul, KR;
Byoung Hoon Kim, Anyang-si, KR;
Dong Ku Kim, Seoul, KR;
Han Byul Seo, Anyang-si, KR;
Kaibin Huang, Seoul, KR;
Soon Suk Roh, Seoul, KR;
Sung Yoon Cho, Seoul, KR;
Hyuk Jin Chae, Seoul, KR;
Byoung Hoon Kim, Anyang-si, KR;
Dong Ku Kim, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Industry-Academic Cooperation Foundation, Yonsei University, Seoul, KR;
Abstract
A method for interference alignment in wireless network having 3 transmitters and 3 receivers which are equipped with M antennas is provided. The method comprising: transmitting, performed by each of the 3 transmitters, a pilot signal known to the 3 receivers; estimating, performed by each of the 3 receivers, each channel from transmitter; transmitting, performed by each of the 3 receivers, feedback information to target transmitter; and determining, performed by transmitter 2 and transmitter 3, a precoding vector; wherein a degree of freedom (DoF) of a transmitter 1 is (M/2−α), a DoF of the transmitter 2 or the transmitter 3 is M/2.
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