Method and apparatus for bandwidth estimation

Details Method and apparatus for bandwidth estimation Method and apparatus for bandwidth estimation

2006-05-02

2006-05-02

Kim, Kevin (Department: 2638)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S147000

Reexamination Certificate

active

07039138

ABSTRACT:
A computationally efficient method and apparatus for estimating the bandwidth of a received signal. In an exemplary implementation, signal power within several selectably narrow frequency bands, each centered about a selected frequency, are calculated using only a relatively small number of arithmetic operations. Applications include using the estimated bandwidth to estimate the relative velocity between the transmitter and receiver, and modifying receiver operation based on such estimate.

REFERENCES:
patent: 5640431 (1997-06-01), Bruckert et al.
patent: 6032166 (2000-02-01), Signell et al.
patent: 6418162 (2002-07-01), Yau et al.
patent: 0898379 (1998-05-01), None
patent: 0057568 (2000-09-01), None
R.B. Randall, et al., “Frequency Analysis” (1977) XP002211051.

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