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:
Feb. 04, 2020
Filed:
Apr. 17, 2018
Marvell World Trade Ltd., St. Michael, BB;
Liwen Chu, San Ramon, CA (US);
Ken Kinwah Ho, San Jose, CA (US);
Tianan Tim Ma, Palo Alto, CA (US);
Hongyuan Zhang, Fremont, CA (US);
Hui-Ling Lou, Sunnyvale, CA (US);
Marvell World Trade Ltd., St. Michael, BB;
Abstract
A first communication device generates and transmits to a second communication device: first and second information elements that respectively indicate capabilities regarding physical layer protocol data units (PPDUs) conforming to a first communication protocol and a second communication protocol. The first communication device generates and transmits a MAC data unit that includes a number corresponding to a maximum number spatial streams supported by the first communication device. The number in the MAC data unit, and one or more of i) the first information element, ii) the second information element, and iii) other information in the MAC data unit, indicate first and second maximum numbers of spatial streams supported by the first communication device with respect to PPDUs conforming to the first communication protocol, and PPDUs conforming to the second communication protocol, respectively.