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:
Nov. 11, 2008

Filed:

Feb. 11, 2005
Applicants:

Jong-hun Park, Suwon-si, KR;

Myung-jong Lee, New York, NY (US);

Yong Liu, New York, NY (US);

Xuhui HU, New York, NY (US);

Inventors:

Jong-hun Park, Suwon-si, KR;

Myung-jong Lee, New York, NY (US);

Yong Liu, New York, NY (US);

Xuhui Hu, New York, NY (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01); G06F 11/00 (2006.01); G08C 15/00 (2006.01); H04J 1/16 (2006.01); H04J 3/14 (2006.01); H04L 1/00 (2006.01); H04L 12/26 (2006.01); H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A routing method comprising receiving a first packet, the first packet being broadcast for discovery of a route. A first backoff of the first packet is calculated based on a route cost of the first packet. The first packet is rebroadcast if a second packet is not received within the first backoff, the second packet being a duplicate of the first packet. A second backoff of the second packet is calculated based on a route cost of the second packet if the second packet is received within the first backoff. One of the first and the second packets is rebroadcast as a result of comparing the first backoff and the second backoff.


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