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:
Apr. 07, 1998
Filed:
Jul. 22, 1996
Applicant:
Inventors:
Go-Whan Jin, Daejeon, KR;
Mou-Ho Cho, Daejeon, KR;
Cheol-Hye Cho, Daejeon, KR;
Hun Lee, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ; H04B / ;
U.S. Cl.
CPC ...
455450 ; 455422 ; 455517 ;
Abstract
In a method for allocating channel for reducing hard handoff in CDMA system, which is divided all service area by a plurality of cells and allocates channel at each cell, cell is divided with a plurality of concentric circle regions, first region is allocated channel not allocated with a neighbor cell, third region is allocated channel allocated with a neighbor cell, and second region is allocated channel capable of allocating at both the neighbor cell and the cell. And, the first and second region is selectively varied in order to reduce handoff.