JP5368213B2 - Gnss受信機 - Google Patents
Gnss受信機 Download PDFInfo
- Publication number
- JP5368213B2 JP5368213B2 JP2009190575A JP2009190575A JP5368213B2 JP 5368213 B2 JP5368213 B2 JP 5368213B2 JP 2009190575 A JP2009190575 A JP 2009190575A JP 2009190575 A JP2009190575 A JP 2009190575A JP 5368213 B2 JP5368213 B2 JP 5368213B2
- Authority
- JP
- Japan
- Prior art keywords
- satellite
- tracking
- signal
- correlation
- search
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Description
受信機で測位を行うためには最低4衛星からの衛星信号の受信結果が必要なので、一般に、4ch以上の追尾チャネルが実装される。
3…A/D変換部、 4…信号処理部、
10…サーチ部、 11,12〜1n…追尾チャネル(nは追尾チャネル数)、
101〜1n1…乗算器、 102〜1n2…キャリアNCO、
103〜1n3…コード相関器、 1n4…コードNCO、
105〜1n5…コード発生器、 106〜1n6…積分器、
107…電力化部、 108…バッファ及びソート部、
20…制御部。
Claims (1)
- 衛星から送信された信号を受信して受信機の位置を測位するGNSS受信機において、制御部が、ある追尾チャネルの追尾信号電力が弱く相互相関の影響による誤追尾の恐れがあると判断した場合に、信号処理部が、可視衛星を対象に、追尾チャネルの追尾周波数±NkHz(Nは整数)付近の周波数にてサーチ回路でサーチ処理を行い、前記追尾チャネルに相互相関の影響を与えうる強信号衛星を検出することを特徴とするGNSS受信機。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009190575A JP5368213B2 (ja) | 2009-08-20 | 2009-08-20 | Gnss受信機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009190575A JP5368213B2 (ja) | 2009-08-20 | 2009-08-20 | Gnss受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011043365A JP2011043365A (ja) | 2011-03-03 |
JP5368213B2 true JP5368213B2 (ja) | 2013-12-18 |
Family
ID=43830907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009190575A Active JP5368213B2 (ja) | 2009-08-20 | 2009-08-20 | Gnss受信機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5368213B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013140909A1 (ja) * | 2012-03-22 | 2013-09-26 | 古野電気株式会社 | 信号サーチ方法、信号サーチプログラム、信号サーチ装置、gnss信号受信装置、および情報機器端末 |
JP6440412B2 (ja) * | 2014-08-27 | 2018-12-19 | 日本無線株式会社 | 衛星信号受信機 |
JP6953105B2 (ja) * | 2016-11-29 | 2021-10-27 | 日本無線株式会社 | 衛星信号受信装置 |
JP6855112B2 (ja) * | 2016-11-29 | 2021-04-07 | 日本無線株式会社 | 衛星信号受信装置 |
CN108415045B (zh) * | 2018-01-24 | 2020-01-24 | 合肥工业大学 | 遥感卫星搜索海上移动目标的方法及装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6466161B2 (en) * | 2000-08-24 | 2002-10-15 | Sirf Technology, Inc. | Location services system that reduces auto-correlation or cross-correlation in weak signals |
US6583756B2 (en) * | 2000-08-25 | 2003-06-24 | Qualcomm Incorporated | Method and apparatus for using satellite status information in satellite positioning systems |
US7764726B2 (en) * | 2004-12-01 | 2010-07-27 | Qualomm Incorporated | Systems, methods, and apparatus for jammer rejection |
JP4859790B2 (ja) * | 2007-08-24 | 2012-01-25 | 日本無線株式会社 | Gps受信機 |
-
2009
- 2009-08-20 JP JP2009190575A patent/JP5368213B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2011043365A (ja) | 2011-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8520717B2 (en) | GNSS receiver with cross-correlation rejection | |
US8442095B2 (en) | Multiple correlation processing in code space search | |
US20090153397A1 (en) | Gnss satellite signal interference handling method and correlator implementing the same | |
US6643320B1 (en) | Receiver for DS-CDMA signals | |
JP5368213B2 (ja) | Gnss受信機 | |
WO2012173607A1 (en) | Method and apparatus for detecting cross correlation based in limited range code phase offset observations | |
JP2003098244A (ja) | 偽信号相互相関検出方法、送信源選択制限方法及び衛星選択制限方法 | |
JP5483750B2 (ja) | 不要信号判別装置、不要信号判別方法、不要信号判別プログラム、gnss受信装置および移動端末 | |
JP2008286753A (ja) | 測位装置及びその制御方法 | |
US8953721B2 (en) | Cross correlation determination method and cross correlation determination device | |
US9897701B2 (en) | Method for efficiently detecting impairments in a multi-constellation GNSS receiver | |
US8175136B2 (en) | Noise cancellation method, receiver circuit, and electronic instrument | |
JP4859790B2 (ja) | Gps受信機 | |
JP2008209287A (ja) | 衛星航法受信機 | |
US8736489B2 (en) | GNSS receiver | |
JP5095499B2 (ja) | Gps受信機 | |
US9236903B2 (en) | Multi-path detection | |
JP2005207815A (ja) | マルチパス信号検出装置 | |
JP2007078703A (ja) | Gps受信機 | |
JP2010276495A (ja) | 受信機 | |
JP2006038486A (ja) | Gps受信装置およびgps測位装置 | |
JP3949576B2 (ja) | Gps受信機及びgps受信方法 | |
JP2011196807A (ja) | 偽信号相互相関検出方法 | |
CN102803992B (zh) | 宽带相关模式切换方法和装置 | |
JP2011153891A (ja) | 衛星信号受信機 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120809 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121205 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130529 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130618 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130723 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130724 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130910 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130912 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5368213 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |