Invention Grant
US07643542B2 Fast Fourier Transform (FFT) inter frequency loss mitigation and Global Positioning System (GPS) receiver including it
有权
快速傅立叶变换(FFT)频率损失缓解和包括它的全球定位系统(GPS)接收机
- Patent Title: Fast Fourier Transform (FFT) inter frequency loss mitigation and Global Positioning System (GPS) receiver including it
- Patent Title (中): 快速傅立叶变换(FFT)频率损失缓解和包括它的全球定位系统(GPS)接收机
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Application No.: US11343444Application Date: 2006-01-31
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Publication No.: US07643542B2Publication Date: 2010-01-05
- Inventor: Joel Brenner
- Applicant: Joel Brenner
- Applicant Address: US CA San Diego
- Assignee: Qualcomm Incorporated
- Current Assignee: Qualcomm Incorporated
- Current Assignee Address: US CA San Diego
- Agent Andrea L. Mays; Shyam K. Parekh
- Priority: EP05100791 20050204
- Main IPC: H04B1/00
- IPC: H04B1/00

Abstract:
Acquisition method for a localization receiver, in particular for a Global Positioning System (GPS) receiver. It involves the calculation of an interpolated Fast Fourier Transform (FFT) spectrum (S′) of correlated signals in which the frequency lines corresponding to half-integer values of the frequency resolution defined by the FFT are obtained by a combination of both amplitude and phase values of the FFT spectrum (S).
Public/Granted literature
- US20060251157A1 FFT inter frequency loss mitigation and GPS receiver including it Public/Granted day:2006-11-09
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