Transmission power control circuit using W-CDMA method

Details Transmission power control circuit using W-CDMA method Transmission power control circuit using W-CDMA method

2007-09-11

2007-09-11

Gesesse, Tilahun (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S455000, C455S063200, C455S067110

Reexamination Certificate

active

10475974

ABSTRACT:
A difference between DELAY values of paths is compared and when the difference is below a predetermined value, the paths are assumed to be the same and SIRs estimated for these paths are compared to each other. The SIRs are multiplied by corresponding weighting coefficients and are added in an SIR addition circuit7. This eliminates erroneous recognition of one path as a plurality of paths, causing an enormous SIR after the addition and prevents deterioration of the line quality.

REFERENCES:
patent: 6414946 (2002-07-01), Satou et al.
patent: 6983165 (2006-01-01), Hiramatsu
patent: 7072325 (2006-07-01), Sato
patent: 2002/0034216 (2002-03-01), Yanagi
patent: 2002/0094835 (2002-07-01), Hayashi et al.
patent: 2003/0060225 (2003-03-01), Kayama et al.
patent: 10-336072 (1998-12-01), None
patent: 2000-236296 (2000-08-01), None
patent: 2001-244859 (2001-09-01), None

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