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:
Mar. 31, 2015
Filed:
Jan. 04, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Sameer Vermani, San Diego, CA (US);
Richard van Nee, San Diego, CA (US);
Albert van Zelst, San Diego, CA (US);
Vincent Knowles Jones, San Diego, CA (US);
Hemanth Sampath, San Diego, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); H04B 7/08 (2006.01); H04L 1/00 (2006.01); H04L 1/06 (2006.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0891 (2013.01); H04L 1/0011 (2013.01); H04L 1/0668 (2013.01); H04B 7/0669 (2013.01); H04B 7/0671 (2013.01); H04B 7/0689 (2013.01);
Abstract
In a particular embodiment, a method includes applying a first stream to antenna mapping scheme to a preamble portion of a packet. The method further includes applying a second stream to antenna mapping scheme to a data portion of the packet. The second stream to antenna mapping scheme is applied to the data portion of the packet but not to the preamble portion of the packet. The second stream to antenna mapping scheme includes a circulation scheme or a cyclic delay diversity (CDD) scheme.