Time history display of orthogonal code power levels

Details Time history display of orthogonal code power levels Time history display of orthogonal code power levels

2006-10-31

2006-10-31

Patel, Jay K. (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S224000, C702S060000, C702S067000

Reexamination Certificate

active

07130328

ABSTRACT:
A time history display of orthogonal code power levels by spreading factor is generated by displaying each data record of code domain power as a line, with each point in the line representing a different code index and the color or brightness of each data point representing the associated base code power level. With the data records displayed as contiguous lines, as each new data record is acquired it is added as a new line of the display while the line representing the oldest data record is deleted from the display. For communications standards where the code spreading factor varies, both bit-reversed and Walsh code graphs are displayed to show the grouping of the sub-codes that make up a base code. In this way the time history display indicates timing and trend information to a user.

REFERENCES:
patent: 4870348 (1989-09-01), Smith et al.
patent: 6519227 (2003-02-01), Koizumi
patent: 6850238 (2005-02-01), Bryant et al.

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