JP2011169761A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2011169761A5 JP2011169761A5 JP2010034161A JP2010034161A JP2011169761A5 JP 2011169761 A5 JP2011169761 A5 JP 2011169761A5 JP 2010034161 A JP2010034161 A JP 2010034161A JP 2010034161 A JP2010034161 A JP 2010034161A JP 2011169761 A5 JP2011169761 A5 JP 2011169761A5
- Authority
- JP
- Japan
- Prior art keywords
- satellite signal
- unit
- control means
- reception
- signal
- 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.)
- Granted
Links
Description
上記目的を達成するため、本発明は、
測位用衛星から送られてくる衛星信号の受信を行う衛星信号受信装置において、
前記衛星信号の周波数帯の信号を受信する受信部と、
前記受信部により受信された信号を時系列データとして一部記憶可能な記憶部と、
前記受信部により受信された信号の中から前記衛星信号を捕捉する捕捉部と、
前記捕捉部により捕捉された前記衛星信号を追尾して復調する追尾部と、
前記受信部を一時的に動作状態として受信された信号を前記記憶部へ記憶させ、その後、前記受信部を非動作状態にするとともに、前記記憶部に記憶された前記時系列データを読み出して前記捕捉部へ繰り返し出力させる第１制御手段と、
前記測位用衛星から衛星信号を受信する際に、前記第１制御手段による制御動作を実行させて前記捕捉部により前記衛星信号が捕捉されたか否かを判別する第２制御手段と、
前記第２制御手段により前記衛星信号が捕捉されたと判別された場合に、前記受信部を動作させて前記衛星信号の追尾および復調を行わせる一方、前記第２制御手段により前記衛星信号が捕捉されないと判別された場合に、前記受信部を非動作の状態としたまま前記衛星信号の受信を実行しない第３制御手段と、
を備えたことを特徴としている。
In order to achieve the above object, the present invention provides:
In the satellite signal receiving device that receives the satellite signal sent from the positioning satellite,
A receiver for receiving signals in the frequency band of the satellite signal;
A storage unit capable of partially storing the signal received by the receiving unit as time-series data;
A capturing unit that captures the satellite signal from signals received by the receiving unit;
A tracking unit that tracks and demodulates the satellite signal captured by the capturing unit;
The received signal is temporarily stored in the storage unit, and the received signal is stored in the storage unit.Then, the reception unit is set in a non-operating state, and the time-series data stored in the storage unit is read and the First control means for repeatedly outputting to the capturing unit;
Second control means for determining whether or not the satellite signal is captured by the capturing unit by executing a control operation by the first control means when receiving a satellite signal from the positioning satellite;
When it is determined that the satellite signal has been captured by the second control means, the reception unit is operated to track and demodulate the satellite signal, while the satellite signal is not captured by the second control means. A third control unit that does not execute reception of the satellite signal while the reception unit is in a non-operating state,
It is characterized by having.
Claims (6)
前記衛星信号の周波数帯の信号を受信する受信部と、
前記受信部により受信された信号を時系列データとして一部記憶可能な記憶部と、
前記受信部により受信された信号の中から前記衛星信号を捕捉する捕捉部と、
前記捕捉部により捕捉された前記衛星信号を追尾して復調する追尾部と、
前記受信部を一時的に動作状態として受信された信号を前記記憶部へ記憶させ、その後、前記受信部を非動作状態にするとともに、前記記憶部に記憶された前記時系列データを読み出して前記捕捉部へ繰り返し出力させる第１制御手段と、
前記測位用衛星から衛星信号を受信する際に、前記第１制御手段による制御動作を実行させて前記捕捉部により前記衛星信号が捕捉されたか否かを判別する第２制御手段と、
前記第２制御手段により前記衛星信号が捕捉されたと判別された場合に、前記受信部を動作させて前記衛星信号の追尾および復調を行わせる一方、前記第２制御手段により前記衛星信号が捕捉されないと判別された場合に、前記受信部を非動作の状態としたまま前記衛星信号の受信を実行しない第３制御手段と、
を備えたことを特徴とする衛星信号受信装置。 In the satellite signal receiving device that receives the satellite signal sent from the positioning satellite,
A receiver for receiving signals in the frequency band of the satellite signal;
A storage unit capable of partially storing the signal received by the receiving unit as time-series data;
A capturing unit that captures the satellite signal from signals received by the receiving unit;
A tracking unit that tracks and demodulates the satellite signal captured by the capturing unit;
The received signal is temporarily stored in the storage unit, and the received signal is stored in the storage unit.Then, the reception unit is set in a non-operating state, and the time-series data stored in the storage unit is read and the First control means for repeatedly outputting to the capturing unit;
Second control means for determining whether or not the satellite signal is captured by the capturing unit by executing a control operation by the first control means when receiving a satellite signal from the positioning satellite;
When it is determined that the satellite signal has been captured by the second control means, the reception unit is operated to track and demodulate the satellite signal, while the satellite signal is not captured by the second control means. A third control unit that does not execute reception of the satellite signal while the reception unit is in a non-operating state,
A satellite signal receiving apparatus comprising:
前記衛星信号の周波数帯の信号を受信して周波数変換およびデジタル変換を行って出力する構成であり、
前記捕捉部と前記追尾部とは、
前記受信部により周波数変換とデジタル変換された信号に対して捕捉と追尾および復調の処理をそれぞれ行う構成であることを特徴とする請求項１記載の衛星信号受信装置。 The receiver is
It is a configuration that receives a signal in the frequency band of the satellite signal, performs frequency conversion and digital conversion, and outputs it,
The capturing unit and the tracking unit are
2. The satellite signal receiving apparatus according to claim 1, wherein each of the signals subjected to frequency conversion and digital conversion by the reception unit is configured to perform acquisition, tracking, and demodulation processing.
前記第１制御手段は、
前記切換部を前記記憶部側へ切り換えて前記記憶部に記憶された前記時系列データを読み出させることを特徴とする請求項１〜３のいずれかに記載の衛星信号受信装置。 A switching unit capable of switching the input of the capturing unit to either the receiving unit side or the storage unit side;
The first control means includes
4. The satellite signal receiving apparatus according to claim 1, wherein the switching unit is switched to the storage unit side to read out the time series data stored in the storage unit.
前記間欠受信制御手段は、
間欠的に実行される受信処理で前記衛星信号が捕捉されて当該衛星信号の受信が遂行された場合には、第１期間を開けて次の受信処理を行うように設定する一方、
間欠的に実行される受信処理で前記第２制御手段により前記衛星信号が捕捉されないと判別されて前記衛星信号の受信が遂行されない場合には、前記第１期間より短い第２期間を開けて次の受信処理を行うように設定する
ことを特徴とする請求項１〜４のいずれかに記載の衛星信号受信装置。 Comprising intermittent reception control means for intermittently receiving the satellite signal;
The intermittent reception control means includes
When the satellite signal is captured and reception of the satellite signal is performed in the intermittently executed reception process, the first reception period is set to open the first period,
If it is determined that the satellite signal is not captured by the second control means in the reception process that is executed intermittently, and the satellite signal is not received, a second period shorter than the first period is opened and the next The satellite signal receiving apparatus according to claim 1, wherein the satellite signal receiving apparatus is set to perform the following reception process.
前記追尾部により復調された前記衛星信号から時刻情報を取り出して前記計時手段の計時時刻を修正する時刻修正手段と、
を備えたことを特徴とする請求項１〜５のいずれかに記載の衛星信号受信装置。 A time measuring means for measuring time;
Time correction means for taking out time information from the satellite signal demodulated by the tracking unit and correcting the time measured by the time measuring means;
The satellite signal receiver according to claim 1, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010034161A JP5338708B2 (en) | 2010-02-19 | 2010-02-19 | Satellite signal receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010034161A JP5338708B2 (en) | 2010-02-19 | 2010-02-19 | Satellite signal receiver |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013164645A Division JP2014002164A (en) | 2013-08-08 | 2013-08-08 | Satellite signal receiving apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011169761A JP2011169761A (en) | 2011-09-01 |
| JP2011169761A5 true JP2011169761A5 (en) | 2013-03-21 |
| JP5338708B2 JP5338708B2 (en) | 2013-11-13 |
Family
ID=44684040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010034161A Active JP5338708B2 (en) | 2010-02-19 | 2010-02-19 | Satellite signal receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5338708B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5664053B2 (en) * | 2010-09-16 | 2015-02-04 | カシオ計算機株式会社 | Satellite signal receiver |
| JP2014002164A (en) * | 2013-08-08 | 2014-01-09 | Casio Comput Co Ltd | Satellite signal receiving apparatus |
| JP7119460B2 (en) * | 2018-03-19 | 2022-08-17 | セイコーエプソン株式会社 | SATELLITE SIGNAL RECEIVER, ELECTRONIC DEVICE, AND CONTROL METHOD FOR SATELLITE SIGNAL RECEIVER |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6295024B1 (en) * | 1999-02-19 | 2001-09-25 | Motorola, Inc. | Autonomous data aided GPS signal acquisition method and system |
| JP3543665B2 (en) * | 1999-03-12 | 2004-07-14 | 松下電工株式会社 | GPS receiving terminal with communication function |
-
2010
- 2010-02-19 JP JP2010034161A patent/JP5338708B2/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602005012426D1 (en) | FREQUENCY CORRECTION SYSTEM FOR A REFERENCEOSCILLATOR | |
| JP2007074423A5 (en) | ||
| CA2681046A1 (en) | Dtv receiving system and method of processing dtv signal | |
| CL2008000854A1 (en) | System and method for the processing of a digital television signal (dtv), in a dtv reception system. | |
| JP2011169761A5 (en) | ||
| MX2009006663A (en) | Method and apparatus for store and replay functions in a digital radio broadcasting receiver. | |
| RU2010143256A (en) | RECEIVER, RECEIVING METHOD AND RECEPTION SYSTEM | |
| DE602005019879D1 (en) | METHOD AND DEVICE FOR INTERFERENCE SUPPRESSION IN WIRELESS RECEIVERS | |
| JP2012042246A5 (en) | ||
| JP2009092541A5 (en) | ||
| JP2011007683A5 (en) | ||
| JP2009150691A5 (en) | ||
| JP2006229635A5 (en) | ||
| EP2221642A3 (en) | Positioning device, electronic instrument, program, and storage medium storing program | |
| RU2005115571A (en) | METHOD FOR REMOVING PERMANENT OFFSET FOR THE BASED ON ZERO INTERMEDIATE FREQUENCY OF THE GSM RECEIVER WITH DIGITAL CORRECTION OF THE FREQUENCY OFFSET | |
| CN101159965A (en) | Mobile multimedia broadcasting signal monitoring equipment and monitoring method | |
| JP2015095265A5 (en) | ||
| RU2012111428A (en) | METHOD FOR DIRECT DISCRETIZATION OF SIGNALS OF MULTIPLE RADIO RANGE AND CONTROL UNIT FOR ITS IMPLEMENTATION | |
| JP2011203234A5 (en) | Signal capture device and electronic device | |
| JP5338708B2 (en) | Satellite signal receiver | |
| EP2346238A3 (en) | Digital broadcasting receiver and digital broadcasting receiving method | |
| JP2015216980A5 (en) | Photoacoustic apparatus, signal processing method, and program | |
| JP2007208701A5 (en) | ||
| JP2007028436A5 (en) | ||
| JP2007202960A5 (en) |