Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2008-01-01
2008-01-01
Kumar, Pankaj (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
Reexamination Certificate
active
07315581
ABSTRACT:
A method for determining the power of signals transmitted by a radio transmission unit with several carriers over the air interface. In order to allow for a simple power detection of multicarrier signals while the air-interface is not used for data transmission, the method includes transmitting a modulated signal using a first carrier and determining its power, transmitting additionally a modulated signal using a further carrier, determining the total power of the sum of the modulated signals transmitted with the first and the further carrier, and determining the power of the modulated signal using the further carrier by subtracting the first determined power from the determined total power. The invention equally relates to a corresponding radio transmission unit and to a corresponding module for such a unit.
REFERENCES:
patent: 5799005 (1998-08-01), Soliman
patent: 5933423 (1999-08-01), Laakso et al.
patent: 0 899 923 (1999-03-01), None
patent: WO 01/03097 (2001-01-01), None
ETSI TS 101 350 v7.1.0, Nov. 1999, Technical Specification, “Digital Cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Overall description of the GPRS radio interface; Stage 2 (GSM 03.64 version 7.1.0 Release 1998)”.
Draft GSM 05.05 V8.4.0 (Apr. 2000); “Digital Cellular Telecommunications system (Phase 2+); Radio Transmission and reception (GSM 05.05 version 8.4.0 Release 1999” ETSI, pp. 1-104.
Kumar Pankaj
Nokia Corporation
Squire Sanders & Dempsey L.L.P.
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