Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Reexamination Certificate
2005-02-01
2005-02-01
Bella, Matthew C. (Department: 2676)
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
C345S440200, C382S281000, C375S130000, C370S241000, C702S060000, C702S061000, C702S068000
Reexamination Certificate
active
06850238
ABSTRACT:
A display of code power levels and relationships of multiple spreading factor orthogonal codes in a code division multiple access (CDMA) signal has a first code graph of code domain power (CDP) for all the codes at the largest code spreading factor that includes all codes at all spreading factors plotted in a linear code indexing order and a second graph of CDP where the codes are plotted in bit-reversed order to group together the sub-codes of each code of lower spreading factor. Markers on each graph are tied together such that movement of one marker on one graph to a particular code value causes the other marker on the other graph to move to the corresponding code value. The sub-codes related to a particular code bar in the graphs indicated by the markers may be differentiated by using grey scale or color variations. A base code power level indicator, which may be in the form of a horizontal bar on the bit-reversed order graph spanning the group of sub-codes corresponding to a particular spreading factor, provides a power indication for the base code.
REFERENCES:
patent: 6219340 (2001-04-01), Cutler et al.
patent: 6320577 (2001-11-01), Alexander
patent: 6519227 (2003-02-01), Koizumi
“Agilent Multi-Coded Waveform Quality and Code Domain Measurements for cdma2000.” Feb. 14, 2001. Agilent Technologies. Document No. 5988-1989EN. pp. 6-7.*
Examples of two Microsoft Excel 2000 plots. Microsoft Excel 2000, Microsoft Office 2000. © 1985-1999. Figures 1 and 2. Created Oct. 21, 2003.
Bryant Craig D.
Engholm Kathryn A.
Kuntz Thomas L.
Bella Matthew C.
Caschera Antonio
Gray Francis I.
Tektronix Inc.
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