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:
Jun. 09, 2009

Filed:

Dec. 30, 2002
Applicants:

Jong-oh Kim, Seoul, KR;

Jae-am Choi, Yongin-shi, KR;

Inventors:

Jong-Oh Kim, Seoul, KR;

Jae-Am Choi, Yongin-shi, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for performing a handoff in an ALL-IP network. The Mobile Station (MS) transmits measurement information to a new Base Transceiver System (BTS) and the Radio Network Controller (RNC) to start a handoff, the RNC requests the new BTS to set up a radio link with the MS. When the radio link is set up between the MS and the new BTS, the RNC requests to delete header information of the MS stored in an old BTS. The MS transmits a message including traffic header information to the new BTS, the new BTS transmits a binding update message to the MS. Then the MS transmits only the voice frame excluding the traffic header information to the new BTS.


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Kim, Jong-Oh. (2009). Method for performing a handoff in an all-ip network (U.S. Patent No. 7545775). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7545775

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