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:
Jan. 13, 2015
Filed:
Oct. 04, 2010
Hyun Soo Ko, Anyang-si, KR;
Jae Hoon Chung, Anyang-si, KR;
Bin Chul Ihm, Anyang-si, KR;
Moon Ii Lee, Anyang-si, KR;
Seung Hee Han, Anyang-si, KR;
Hyun Soo Ko, Anyang-si, KR;
Jae Hoon Chung, Anyang-si, KR;
Bin Chul Ihm, Anyang-si, KR;
Moon II Lee, Anyang-si, KR;
Seung Hee Han, Anyang-si, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The present invention relates a method in which a base station transmits a downlink signal by using a plurality of layers comprises the steps of: multiplexing and transmitting dedicated reference signals for the plurality of layers on the basis of a reference signal pattern, wherein 24 resource element positions comprised in the reference signal pattern are set as 6 groups, the 6 groups are set as 2 high-level groups, the reference signal for the plurality of layer is split and placed in the 2 high-level groups, and the reference signal for 2 or more layers placed in the same group is subjected to code-division multiplexing.