The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7215971 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2007

Filed:

Apr. 16, 2002
Applicant:

Richard Ormson, Berkshire, GB;

Inventor:

Richard Ormson, Berkshire, GB;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01); H04B 17/00 (2006.01); H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for correcting for Doppler shift in GSM signals at a mobile handset in communication with a base station is provided. The rate of change of position of the mobile unit is detected in relation to the base station and a Doppler correction is derived from the rate of change. This can be used when calculating the synchronization of the UMTS timebase from the GSM network information.


Find Patent Forward Citations

Ormson, Richard. (2007). Method and apparatus for compensation of doppler induced error in a mobile handset (U.S. Patent No. 7215971). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7215971

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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