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:
Jan. 13, 1998
Filed:
Jun. 03, 1996
Applicant:
Inventor:
Toshihito Kanai, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
342359 ; 342372 ;
Abstract
A control method of the direction of directivity of a base station antenna in a mobile communication system which uses a variable directivity antenna at the base station. The direction of directivity is controlled to continuously change such that signal reception level at each mobile station exceeds a prescribed value during the time interval from the beginning of the first slot to the end of the (n+1)th slot of any continuous n+1 (n being a natural number) slots on at least one time-division-multiplexed channel.