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:
Jun. 13, 2017
Filed:
Dec. 18, 2013
Computer Network Information Center, Chinese Academy of Sciences, Beijing, CN;
Zhiwei Yan, Beijing, CN;
Xiaodong Li, Beijing, CN;
China Internet Network Information Center, Beijing, CN;
Abstract
A method is disclosed providing data transmission for a mobile receiver in a publish/subscribe system. The method comprises: 1) handover trigger: detecting a new access router ARby a mobile receiver in the publish/subscribe system; and sending a handover trigger message comprising ARidentification information from the mobile receiver to a router ARcurrently connected to the mobile receiver; 2) handover preparation: receiving the handover trigger message by the AR; selecting a branch node of the most recent position before handover as a proxy for the mobile receiver; and forwarding data packets to paths of the mobile receiver before and after handover; and 3) handover execution: handover access router of the mobile receiver to ARby the proxy; after the step of handover access router, triggering ARand ARto update data transfer for the mobile receiver; sending the data packets through the ARto the mobile receiver. The present invention has high handover performance, and can reduce handover time delay and data packet loss.