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.:
Date of Patent:
Sep. 13, 2005
Filed:
Dec. 08, 1999
Jun-woo Lee, Seoul, KR;
Byung-jin Ko, Seoul, KR;
Ha-jae Jung, Namyangju-Shi, KR;
Sung-cheol Hong, Anyang-Shi, KR;
Seon-ho Sim, Seoul, KR;
Jun-Woo Lee, Seoul, KR;
Byung-Jin Ko, Seoul, KR;
Ha-Jae Jung, Namyangju-Shi, KR;
Sung-Cheol Hong, Anyang-Shi, KR;
Seon-Ho Sim, Seoul, KR;
SK Telecom Co., Ltd., Seoul, KR;
Abstract
A method, apparatus and storage mediums executed by a computer and storing the method, for expanding cell coverage in mobile communication system is disclosed. The method comprises the steps of: a) shifting a preamble window by delaying a transmission signal in order to catch a first call access signal from a mobile station at a remote distance; and b) delaying a second call access signal from a mobile station at a short distance in order to catch the second call access signal.