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.

Date of Patent:
Jul. 24, 2012

Filed:

Sep. 22, 2009
Applicants:

Zhebin Qian, ShangHai, CN;

Yu Zhang, ShangHai, CN;

Ping Liu, Simpsonville, SC (US);

LI Xu, ShangHai, CN;

Inventors:

Zhebin Qian, ShangHai, CN;

Yu Zhang, ShangHai, CN;

Ping Liu, Simpsonville, SC (US);

Li Xu, ShangHai, CN;

Assignee:

UTC Fire & Security Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of transmitting a video stream over an IP network. The method includes encoding a source video into a plurality of packets. The method also includes measuring a real-time transmission status of a current set of the plurality of packets. The method also includes mapping a utility curve for the video which reflects utilities of the video at corresponding sending rates. The method also includes calculating a target sending rate for a next set of the plurality of packets according to the real-time transmission status of the current set of the plurality of packets and the utility curve. The method also includes determining a proper strategy to meet the target sending rate for the next set of the plurality of packets.


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