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. 11, 2012
Filed:
May. 04, 2009
Farrokh Abrishamkar, San Diego, CA (US);
Wenjun LI, San Diego, CA (US);
Yingqun Yu, San Diego, CA (US);
Prashant Udupa Sripathi, San Jose, CA (US);
Farrokh Abrishamkar, San Diego, CA (US);
Wenjun Li, San Diego, CA (US);
Yingqun Yu, San Diego, CA (US);
Prashant Udupa Sripathi, San Jose, CA (US);
Qualcomm Incorporated, San Diego, CA (US);
Abstract
Systems and methods for symbol detection using sub-constellations are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users, a first detection unit configured to detect first components of user symbols for the plurality of users based on the received symbols and a computation unit configured to compute a portion of the received symbols due to the first components of the user symbols. The apparatus further comprises a second detection unit configured to detect second components of the user symbols based on the received symbols with the computed portion removed and a combining unit configured to detect the user symbols by combining the first components of the user symbols with the respective second components of the user symbols.