Method and arrangement for fast frequency searching in...

Details Method and arrangement for fast frequency searching in... Method and arrangement for fast frequency searching in...

2007-03-27

2007-03-27

Anderson, Matthew D. (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Optimum frequency selection

C455S059000, C455S060000, C455S063100, C375S326000, C375S343000

Reexamination Certificate

active

10888771

ABSTRACT:
In the method according to the invention for searching for the carrier frequency f of a mobile radio transmitter in a mobile radio receiver, two or more values e(k) of the spectral input power are measured at different discrete test frequencies fk, where fk<fk+1. The maximum e(kmax) of the values e(k) and of the associated test frequency fkmaxis then searched for. An estimated value f′, which is characteristic of the sought carrier frequency f, can be determined from knowledge of the values of at least one value pair e(k1) and e(k2) where k1<kmax<k2, and of the specific test frequency fkmax.

REFERENCES:
patent: 5828710 (1998-10-01), Beale
patent: 5862453 (1999-01-01), Love et al.
patent: 6389040 (2002-05-01), Viswanathan
patent: 2001/0028692 (2001-10-01), Wiese et al.
patent: 2002/0111142 (2002-08-01), Klimovitch
patent: 100 46 575 (2002-04-01), None
patent: 0 693 247 (2004-04-01), None
patent: WO 00/44117 (2000-07-01), None

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