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:
Apr. 30, 2013
Filed:
Oct. 14, 2009
Yang Tang, San Diego, CA (US);
Yajun Kou, San Diego, CA (US);
Young Hoon Kwon, San Diego, CA (US);
Tao Wu, Carlsbad, CA (US);
Yang Tang, San Diego, CA (US);
Yajun Kou, San Diego, CA (US);
Young Hoon Kwon, San Diego, CA (US);
Tao Wu, Carlsbad, CA (US);
FutureWei Technologies, Inc., Plano, TX (US);
Abstract
A system and method for employing a six-bit rank 1 codebook for four transmit antennas is provided. A method for communications device operation includes estimating a communications channel between the communications device and a controller serving the communications device, thereby producing a channel estimate, quantizing the channel estimate using a codebook, thereby producing a selected codeword, and transmitting an index corresponding to the selected codeword from the codebook to the controller. The codebook includes a plurality of first level codewords, and each first level codeword includes a plurality of subsidiary codewords.