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:
Apr. 16, 2002
Filed:
Nov. 02, 1998
Torgny Palenius, Lund, SE;
Martin Jonson, Malmö, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The present invention provides a method for measuring SIR in a WCDMA system where channels are transmitted from a base station using orthogonal channelization codes and the same scrambling codes. According to exemplary embodiments of the present invention, an automatic gain controller (AGC) is implemented in the receiver. The AGC is placed prior to the RAKE receiver. By using a fairly fast AGC unit that keeps incoming power to the RAKE at a constant level, the SIR can be calculated by multiplying the despread signal with a constant. This SIR calculation aids in achieving and maintaining a steady state condition in the radio communication system. This SIR calculation can also be used to control the bit error rate performance of a mobile station.