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:
Feb. 18, 2003
Filed:
Jun. 22, 1998
Applicant:
Inventors:
Nicolas Chuberre, Ramonville, FR;
Christian Massy, Sevres, FR;
Michèle Lupu, Chilly Mazarin, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/38 ; H04M 1/00 ;
U.S. Cl.
CPC ...
H04B 1/38 ; H04M 1/00 ;
Abstract
A base station of a radiocommunication system has at least two antennas and can select one of the antennas. It determines if a channel to transmit to at least one mobile station is unidirectional and switches from one antenna to another in accordance with a predetermined random or pseudo-random law if the channel to transmit is unidirectional.