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:
May. 07, 2002

Filed:

Feb. 26, 2001
Applicant:
Inventors:

Takeshi Yoshimura, Yokohama, JP;

Toshiro Kawahara, Yokosuka, JP;

Takashi Suzuki, Yokosuka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/254 ; H04J 3/24 ;
U.S. Cl.
CPC ...
H04L 1/254 ; H04J 3/24 ;
Abstract

A sender converts a non-compressed packet, which is to be transmitted, into a full-header packet including a full header or a header-compressed packet including a compressed header, and sends the converted packet to a receiver. The receiver receives the packet transmitted from the sender, and converts the received packet into a decompressed packet. In cases the full-header packet or header-compressed packet is lost between the sender and receiver, the receiver keeps header-compressed packers received during an interval from the packet loss to the next earliest reception of a full-header packet, and decompresses the compressed headers of the kept header-compressed packets on the basis of contents of the full header of the full-header packet.


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