Synchronization channel noise power estimation

Details Synchronization channel noise power estimation Synchronization channel noise power estimation

2007-12-24

2011-11-01

Wu, Jianye (Department: 2462)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S345000

Reexamination Certificate

active

08050237

ABSTRACT:
Apparatus and method to process a pilot channel and a synchronization channel to obtain a combined noise estimate of the pilot channel and the synchronization channel that is synchronized to the pilot channel. The combined noise estimation is processed to determine a first noise component for a period when both the pilot channel and the synchronization channel are present. Then, the combined noise estimate is processed to determine a second noise component for a period when only the pilot channel is present. Next, the second noise component is subtracted from the first noise component to derive a noise estimation for the synchronization channel. The technique may be applied to the Common Pilot Channel (CPICH), and the Synchronization Channel (SCH) defined in a 3rdGeneration Partnership Project standard specification.

REFERENCES:
patent: 2004/0028013 (2004-02-01), Fitton et al.
patent: 2005/0238086 (2005-10-01), Kokubo
3GPP TS 25.211 Technical Specification v6.7.0 (Dec. 2005) (Release 6); 3GPP Organizational Partners; Dec. 2005; pp. 1-50.

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