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:
May. 21, 2002
Filed:
Aug. 17, 1998
Kwang-Wook Lee, Hanam, KR;
Abstract
A semi-soft handoff method, in accordance with the present invention is described. In the instance a base station makes use of multiple frequency channel, a mobile station moves inter-cell and service on a frequency that processes the present call within the destination cell to be moved to is not offered, to guarantee the call's continuance, the base station examines all adjacent cells' frequency assignment conditions and sets all cells' multiple common frequencies. Furthermore, the base station manages the traffic within a common frequency selected from the multiple common frequencies. After receiving a handoff requirement message, the base station examines for the common frequency with a minimum load. Next, the base station executes an inter-cell inter-frequency hard handoff to the corresponding common frequency and soft handoff to the destination cell by using the common frequency.