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.:

US 9241291 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 19, 2016

Filed:

May. 14, 2009
Applicants:

Kyu Jin Park, Gyeonggi-do, KR;

Doo Hyun Sung, Gyeonggi-do, KR;

Hyun Woo Lee, Gyeonggi-do, KR;

Han Gyu Cho, Gyeonggi-do, KR;

Eun Jong Lee, Gyeonggi-do, KR;

Yeong Hyeon Kwon, Gyeonggi-do, KR;

Jae Hoon Chung, Gyeonggi-do, KR;

Inventors:

Kyu Jin Park, Gyeonggi-do, KR;

Doo Hyun Sung, Gyeonggi-do, KR;

Hyun Woo Lee, Gyeonggi-do, KR;

Han Gyu Cho, Gyeonggi-do, KR;

Eun Jong Lee, Gyeonggi-do, KR;

Yeong Hyeon Kwon, Gyeonggi-do, KR;

Jae Hoon Chung, Gyeonggi-do, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 28/06 (2009.01); H04W 48/08 (2009.01); H04W 48/16 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0077 (2013.01); H04W 28/06 (2013.01); H04W 48/08 (2013.01); H04W 48/16 (2013.01); H04W 72/0466 (2013.01);
Abstract

A method for reducing handover interruption time in a mobile station is disclosed, in which a mobile station performs a ranging procedure using a dedicated ranging code previously allocated from a target base station. The dedicated ranging code allocated by the target base station may be provided through the serving base station, or may directly be provided from the target base station.


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