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:
Mar. 05, 2002
Filed:
Oct. 30, 1998
Applicant:
Inventors:
Charlotte Catherine Elizabeth Baden, Malmesbury, GB;
Qiang Cao, Swindon, GB;
Lorenz Fred Freiberg, Grange Park, GB;
David Jonathan Reader, London, GB;
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 7/00 ; H04B 7/212 ; H04B 7/216 ; H04J 3/24 ; H04M 1/00 ;
U.S. Cl.
CPC ...
H04Q 7/00 ; H04B 7/212 ; H04B 7/216 ; H04J 3/24 ; H04M 1/00 ;
Abstract
The invention relates to mobile cellular communication systems in which asymmetric access to a time division duplex (TDD) communication channel is provided. The channel is divided (by TDD) into slots which are allocated to either uplink communication or downlink communication by the base station in each cell. Timing of slots, and thus of compulsory uplink and downlink slots, is coordinated across the cells of a system.