US Patent 7274747 Pulse shaping which compensates for component distortion

Patent 7274747 was granted and assigned to Nokia on September, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Nokia

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7274747

Date of Patent

September 25, 2007

Patent Application Number

09625201

Date Filed

July 21, 2000

Patent Primary Examiner

‌

Kevin Burd

Patent abstract

A method is provided for defining a pulse function shape for acting on a data stream for transmission in a telecommunication system which compensates for distortion by a component of the transmitter. The method comprises defining desired cost parameters (e.g., error functions for amplitude, BER, bandwidth, energy, AFC) and defining the shape of the pulse function in dependence of the desired cost parameters and the distortion to be compensated for. A pulse generator, modulator and communications device providing such a pulse function are also provided. Application in dual mode TDMA/CDMA system.