Title:
衛星測位システム信号を処理するための方法および装置
Document Type and Number:
Japanese Patent JP2011522254
Kind Code:
A
Abstract:
Methods and apparatus are provided for use in devices adapted to receive signals from at least one satellite positioning system (SPS). As part of at least one search for a transmission from a space vehicle (SV) associated with the SPS, the methods and apparatuses may correlate a code associated with the SV with a received signal to establish a plurality of correlation values, sample at least a portion of the correlation values during the search, and selectively transitioning the search early or prematurely based, at least in part, on at least one of the sampled correlation values.
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Inventors:
Simic, Emilyja M.
Grover, Douglas
Ahmed, Liswan
Grover, Douglas
Ahmed, Liswan
Application Number:
JP2011511742A
Publication Date:
July 28, 2011
Filing Date:
May 22, 2009
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
G01S19/21
Domestic Patent References:
| JP2000252864A | 2000-09-14 | |||
| JP2001124842A | 2001-05-11 | |||
| JP2008522558A | 2008-06-26 | |||
| JP2005537470A | 2005-12-08 | |||
| JP2007221768A | 2007-08-30 | |||
| JP2008107353A | 2008-05-08 | |||
| JP2006504097A | 2006-02-02 | |||
| JP2007240490A | 2007-09-20 |
Foreign References:
| US20050129146A1 | 2005-06-16 | |||
| US20070242734A1 | 2007-10-18 | |||
| WO2006049963A2 | 2006-05-11 |
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen