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. 20, 2009
Filed:
Mar. 21, 2003
Ru-shang Wang, Coppell, TX (US);
Viktor Varsa, Irving, TX (US);
David Leon, Irving, TX (US);
Emre Baris Aksu, Tampere, FI;
Igor Danilo Diego Curcio, Tampere, FI;
Ru-Shang Wang, Coppell, TX (US);
Viktor Varsa, Irving, TX (US);
David Leon, Irving, TX (US);
Emre Baris Aksu, Tampere, FI;
Igor Danilo Diego Curcio, Tampere, FI;
Nokia Corporation, Espoo, FI;
Abstract
A method to provide to a sender of RTP packets the actual receiver buffer fullness level in a receiver of the RTP packets at a certain time instant represented as remaining playout duration in time. The receiver sends in an RTCP report the sequence number of a selected RTP packet in the receiver buffer and the time difference between the scheduled playout time of this packet and the current time. Based on this timing information, the sender calculates the amount of time it would take for the receiver buffer to empty if the receiver continues to playout at normal speed and no further RTP packets arrive to the receiver buffer. This receiver buffer fullness level information can be used at the sender to adjust the transmission rate and/or nominal playout rate of the RTP packets in order to maintain a targeted receiver buffer fullness level.