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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) Application No.: 1234/MUM/2004 A
(22) Date of filing of Application: 16/11/2004 (43) Publication Date: 09/06/2006
(54) Title of the invention: AUTOMATIC GAIN CONTROL FOR A RECEIVER AND METHOD
THEREFOR
(51) International classification : H03G 3/30
(31) Priority Document No : 09/229,144
(32) Priority Date : 12/01/1999
(33) Name of priority country : U.S.A.
(86) International Application No : NIL
and Filing Date : NIL
(87) International Publication No : NIL
(61) Patent of addition to :
Application No
NIL
(62)
Filed on : N.A.
Divisional to Application No : 30/MUM/2000
Filed on : 10/01/2000
(71) Name of Applicant:
MOTOROLA INC
Address of the Applicant:
1303 EAST ALGONQUIN ROAD,
SCHAUMBURG, IILINOLS 60196,
UNITED STATES OF AMERICA
(72) Name of the Inventor:
MARK EDWARD PECEN
Filed U/S 5(2) before The Patents
(Amendment) Act, 2005: NO
(57) Abstract: A receiver automatic gain control, comprising:
a variable gain receiver having a control input and responsive to a gain control signal for adjusting the
output level of receiver; and
a controller coupled to the variable gain receiver, the controller monitoring a broadcast control
channel (BCCH) carrier signal level, a traffic channel (TCH) signal level, a BCCH carrier to interface ratio and a
TCH carrier to interference ratio and adjusting a receiver gain of a receiver that receives information on a TCH, in
response to said BCCH carrier signal level, and said BCCH carrier to interference ratio reaching a first
predetermined value and said TCH carrier to interference ratio reaching a second predetermined value.
Drawing: 05 Sheets.
Total Pages: 20.
Fig. Nil
The Patent Office Journal 09/06/2006 10905