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:
Oct. 28, 2014
Filed:
Dec. 28, 2009
Qinghua LI, San Ramon, CA (US);
Xintian E. Lin, Palo Alto, CA (US);
Yuan Zhu, Beijing, CN;
Jiacheng Wang, Beijing, CN;
Shanshan Zheng, Beijing, CN;
Xiaofeng Liu, Beijing, CN;
Guangjie LI, Beijing, CN;
Feng Zhou, Beijing, CN;
Qinghua Li, San Ramon, CA (US);
Xintian E. Lin, Palo Alto, CA (US);
Yuan Zhu, Beijing, CN;
Jiacheng Wang, Beijing, CN;
Shanshan Zheng, Beijing, CN;
Xiaofeng Liu, Beijing, CN;
Guangjie Li, Beijing, CN;
Feng Zhou, Beijing, CN;
Intel Corporation, Santa Clara, CA (US);
Abstract
An embodiment of the present invention provides a method used in transmit beam forming, comprising, providing differential feedback by using variable differential codebooks across a plurality of feedbacks wherein the differential codebooks may have different shapes, and/or spans, and/or the numbers of codewords across feedbacks.