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:
Aug. 08, 2000
Filed:
Mar. 30, 1992
Roland Stig Bodin, Spanga, SE;
Georg Chambert, Uppsala, SE;
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Abstract
In a cellular telephone system of the type having TDMA channels, the beginnings of the time slots of an uplink transmission as seen in the base station are offset from the beginnings of the time slots of a downlink transmission as seen in the base station by a predetermined amount. By offsetting the beginnings of the time slots, a mobile station is able to operate at an extended distance from the base station without any modifications to the mobile station. Because the mobile stations can operate at a greater distance from the base station without a decrease in the number of available channels, the cellular telephone system is particularly suitable for use in rural areas or coastal areas.