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.:
Date of Patent:
Nov. 27, 2007
Filed:
Apr. 29, 2005
Braden J. Fessler, Lee's Summit, MO (US);
Nick J. Baustert, Olathe, KS (US);
Cesar Perez, Olathe, KS (US);
William G. Smith, Grandview, MO (US);
Braden J. Fessler, Lee's Summit, MO (US);
Nick J. Baustert, Olathe, KS (US);
Cesar Perez, Olathe, KS (US);
William G. Smith, Grandview, MO (US);
Sprint Spectrum L.P., Overland Park, KS (US);
Abstract
A portable interference-generating device for inducing desired frame error characteristics, such as desired frame error patterns and rates, at a mobile unit receiving a carrier signal having at least one data channel having a plurality of data frames. The induced frame errors may be used to test a digital radio receiver's behavior in the presence of frame errors that may occur as a result of various impairments in a CDMA wireless communication channel. The portable interference-generating device includes a noise source that provides a noise signal and a pulse generator that is used to gate the noise signal according to a desired frame error characteristic at the mobile unit. The gated noise signal is provided to the mobile unit via a coupling element, which preferably couples the gated noise signal directly to an antenna radiation element on the mobile unit.