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. 09, 2012
Filed:
Sep. 21, 2011
Jason A. Trachewsky, Menlo Park, CA (US);
Rajendra Tushar Moorti, Mountain View, CA (US);
Christopher Young, Cupertino, CA (US);
Christopher J. Hansen, Los Altos, CA (US);
Jason A. Trachewsky, Menlo Park, CA (US);
Rajendra Tushar Moorti, Mountain View, CA (US);
Christopher Young, Cupertino, CA (US);
Christopher J. Hansen, Los Altos, CA (US);
Broadcom Corporation, Irvine, CA (US);
Abstract
A preamble of a frame for a multiple input multiple output (MIMO) wireless communication for a first transmit antenna of the MIMO communication includes a legacy preamble portion in accordance with a legacy wireless communication protocol. The preamble of the frame for the MIMO wireless communication for the first transmit antenna also includes a current protocol preamble portion in accordance with a protocol of the MIMO wireless communication. The preamble of a frame for at least a second antenna of the MIMO communication includes a cyclically shifted legacy preamble portion for the frame. The preamble of the frame for the MIMO wireless communication for the second transmit antenna also includes a second current protocol preamble portion in accordance with a protocol of the MIMO wireless communication.