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:
Dec. 03, 2013
Filed:
May. 04, 2009
Wenjun LI, San Diego, CA (US);
Yingqun Yu, San Diego, CA (US);
Farrokh Abrishamkar, San Diego, CA (US);
Divaydeep Sikri, Woking, GB;
Insung Kang, San Diego, CA (US);
Wenjun Li, San Diego, CA (US);
Yingqun Yu, San Diego, CA (US);
Farrokh Abrishamkar, San Diego, CA (US);
Divaydeep Sikri, Woking, GB;
Insung Kang, San Diego, CA (US);
Qualcomm Incorporated, San Diego, CA (US);
Abstract
Systems and methods for multi-user detection in a multiple access system are provided. In one aspect, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users and a computation unit configured to compute a multi-user matrix using a Hadamard matrix, wherein the multi-user matrix relates user symbols for the plurality of users to the received symbols. The apparatus further comprises a detection unit configured to detect the user symbols for the plurality of users using the received symbols and the computed multi-user matrix.