Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-07-31
2007-07-31
Ghayour, Mohammed (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S130000, C370S335000, C370S441000
Reexamination Certificate
active
10276008
ABSTRACT:
A method is provided for determining the amplification factors both of a data channel and of a controlled channel of a data transmission system, wherein the data transmission is performed in a normal mode or a compression mode, a nominal ratio is calculated in the normal mode from signaled reference amplification factors, and further amplification factors are determined therefrom via rounding or discretization, and a corrected nominal ratio is calculated from the nominal ratio in the compression mode, and amplification factors are determined therefrom via rounding or discretization.
REFERENCES:
patent: 0 881 786 (1998-12-01), None
patent: WO 99/56410 (1999-11-01), None
Nokia “DPDCH/DPCCH gain factors” TSG-RAN Working Group 1, meeting 12, Apr. 10-13, 2000.
Universal Mobile Telecommunications System (UMTS); Physical layer procedures (FDD) 1999.
ERCISSON: Amplitude differences between upling DPCCH and DPDCH TSG-RAN Working Group 1 Meeting 4, Apr. 18, 1999.
3rdGeneration Partnership Project; Technical Specification Group Radio Access Network; Physical layer procedures (FDD) 1999.
Bell Boyd & Lloyd LLP
Ghayour Mohammed
Siemens Aktiengesellschaft
Vlahos Sophia
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