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:
Aug. 18, 2020
Filed:
Dec. 28, 2018
Didi Research America, Llc, Mountain View, CA (US);
Yuzhu Shen, Santa Clara, CA (US);
Alok Priyadarshi, Mountain View, CA (US);
BEIJING VOYAGER TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A method of communicating between a plurality of modules on a vehicle, each module configured as a publisher or subscriber node that communicate in the operation of the autonomous vehicle utilizing a shared memory communication system. The method may include generating groups of messages by publisher nodes, each group associated with a unique topic and generated by a single publisher node associated with the unique topic, writing a group of messages in a message buffer associated with a single topic, writing in a registry, location information indicating where the messages were written, reading new message information from the registry, the new message information indicative of whether a new message associated with a particular topic is available, reading location information indicating where the new message is stored if a new message is available, and reading the new message from the respective message buffer.