JP2014016315A5 - - Google Patents
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- JP2014016315A5 JP2014016315A5 JP2012155716A JP2012155716A JP2014016315A5 JP 2014016315 A5 JP2014016315 A5 JP 2014016315A5 JP 2012155716 A JP2012155716 A JP 2012155716A JP 2012155716 A JP2012155716 A JP 2012155716A JP 2014016315 A5 JP2014016315 A5 JP 2014016315A5
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Claims (30)
他要因誤差の値の時間変化を監視し、衛星クロック誤差送信タイミングの到来時に、送信済みの他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を他要因誤差変動量として算出し、送信対象の衛星クロック誤差の値に、算出した他要因誤差変動量を含める他要因誤差変動量算出部と、
前記他要因誤差変動量算出部により他要因誤差変動量が含められた衛星クロック誤差の値を送信する送信部と
を備えることを特徴とする送信装置。 A transmission device that transmits a value of a satellite clock error at a satellite clock error transmission timing that arrives at a predetermined period after transmitting a value of another factor error that is an error other than a satellite clock error among errors used for satellite positioning. And
The time variation of the other factor error value is monitored, and when the satellite clock error transmission timing arrives, the difference between the transmitted other factor error value and the other factor error value at the arrival of the satellite clock error transmission timing is different. Another factor error fluctuation amount calculation unit that calculates the factor error fluctuation amount and includes the calculated other factor error fluctuation amount in the satellite clock error value to be transmitted;
A transmission apparatus comprising: a transmission unit configured to transmit a satellite clock error value including the other factor error variation amount by the other factor error variation amount calculation unit.
他要因誤差の値を送信した後に複数回の衛星クロック誤差送信タイミングにおいて複数の衛星クロック誤差の値を送信し、前記複数の衛星クロック誤差の送信後に、新たな他要因誤差の値を送信する動作を繰り返し、
前記他要因誤差変動量算出部は、
衛星クロック誤差送信タイミングの到来時に、前記送信部により最後に送信された他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を他要因誤差変動量として算出することを特徴とする請求項１記載の送信装置。 The transmitter is
An operation of transmitting a plurality of satellite clock error values at a plurality of times of satellite clock error transmission timing after transmitting the other factor error values, and transmitting a new other factor error value after transmitting the plurality of satellite clock errors. Repeat
The other factor error variation calculation unit
When the satellite clock error transmission timing arrives, the difference between the value of the other factor error last transmitted by the transmitter and the value of the other factor error when the satellite clock error transmission timing arrives is calculated as the other factor error fluctuation amount. The transmission apparatus according to claim 1, wherein:
複数種類の他要因誤差の値を送信した後に、衛星クロック誤差送信タイミングにおいて衛星クロック誤差を送信し、
前記他要因誤差変動量算出部は、
他要因誤差の種類ごとに、他要因誤差の値の時間変化を監視し、
衛星クロック誤差送信タイミングの到来時に、他要因誤差の種類ごとに、送信済みの他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を他要因誤差変動量として算出し、送信対象の衛星クロック誤差の値に他要因誤差の種類ごとの他要因誤差変動量を含めることを特徴とする請求項１又は２記載の送信装置。 The transmitter is
After sending multiple types of other factor error values, send the satellite clock error at the satellite clock error transmission timing,
The other factor error variation calculation unit
For each type of other factor error, monitor the time variation of the value of the other factor error.
When the satellite clock error transmission timing arrives, for each type of other factor error, the difference between the transmitted other factor error value and the other factor error value at the arrival of the satellite clock error transmission timing is the other factor error fluctuation amount. The transmission device according to claim 1, wherein the other factor error fluctuation amount for each type of other factor error is included in the value of the satellite clock error to be transmitted.
複数の地域に対する複数の他要因誤差の値を所定の送信順序に従って送信するとともに、他要因誤差の値の送信の合間に到来する衛星クロック誤差送信タイミングにおいて衛星クロック誤差の値を送信し、
前記他要因誤差変動量算出部は、
地域ごとに、他要因誤差の値の時間変化を監視し、
衛星クロック誤差送信タイミングの到来時に、地域ごとに、送信済みの他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を他要因誤差変動量として算出し、送信対象の衛星クロック誤差の値に地域ごとの他要因誤差変動量を含めて、地域ごとの衛星クロック誤差の値を生成し、
前記送信部は、
前記他要因誤差変動量算出部により生成された、全地域分の衛星クロック誤差の値を、衛星クロック誤差送信タイミングごとに送信することを特徴とする請求項１〜３いずれか記載の送信装置。 The transmitter is
A plurality of other factor error values for a plurality of regions are transmitted according to a predetermined transmission order, and a satellite clock error value is transmitted at a satellite clock error transmission timing that arrives between transmissions of the other factor error values.
The other factor error variation calculation unit
For each region, monitor changes over time in other factor error values,
When the satellite clock error transmission timing arrives, for each region, calculate the difference between the transmitted other factor error value and the other factor error value when the satellite clock error transmission timing arrives as the other factor error fluctuation amount, Generate the satellite clock error value for each region by including the other factor error fluctuation amount for each region in the satellite clock error value to be transmitted,
The transmitter is
The transmission apparatus according to any one of claims 1 to 3, wherein the satellite clock error value for all regions generated by the other factor error fluctuation amount calculation unit is transmitted at each satellite clock error transmission timing.
複数の地域に対する複数の他要因誤差の値を所定の送信順序に従って送信するとともに、他要因誤差の値の送信の合間に到来する衛星クロック誤差送信タイミングにおいて衛星クロック誤差の値を送信し、
前記他要因誤差変動量算出部は、
地域ごとに、他要因誤差の値の時間変化を監視し、
衛星クロック誤差送信タイミングの到来時に、地域ごとに、送信済みの他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を地域ごとの他要因誤差変動量として算出し、さらに、算出した地域ごとの他要因誤差変動量を用いて前記複数の地域全体に共通して用いられる他要因誤差変動量を算出して送信対象の衛星クロック誤差の値に含め、
前記送信部は、
前記他要因誤差変動量算出部により前記複数の地域全体に共通して用いられる他要因誤差変動量が含められた衛星クロック誤差の値を、衛星クロック誤差送信タイミングごとに送信することを特徴とする請求項１〜３いずれか記載の送信装置。 The transmitter is
A plurality of other factor error values for a plurality of regions are transmitted according to a predetermined transmission order, and a satellite clock error value is transmitted at a satellite clock error transmission timing that arrives between transmissions of the other factor error values.
The other factor error variation calculation unit
For each region, monitor changes over time in other factor error values,
When the satellite clock error transmission timing arrives, for each region, the difference between the transmitted other factor error value and the other factor error value when the satellite clock error transmission timing arrives is used as the other factor error fluctuation amount for each region. Calculating, and using the calculated other factor error variation amount for each region, calculating the other factor error variation amount commonly used in the entire plurality of regions and including it in the value of the satellite clock error to be transmitted,
The transmitter is
The other factor error fluctuation amount calculation unit transmits a satellite clock error value including the other factor error fluctuation amount commonly used in the plurality of regions at every satellite clock error transmission timing. The transmission device according to claim 1.
前記複数の地域に対する複数の他要因誤差の値の送信が完了すると、各地域の新たな他要因誤差の値を前記送信順序に従って送信する動作を繰り返し、
前記他要因誤差変動量算出部は、
衛星クロック誤差送信タイミングの到来時に、地域ごとに、前記送信部により最後に送信された他要因誤差の値と、衛星クロック誤差送信タイミングの到来時の他要因誤差の値との差を算出することを特徴とする請求項４または５記載の送信装置。 The transmitter is
When the transmission of a plurality of other factor error values for the plurality of regions is completed, the operation of transmitting a new other factor error value for each region according to the transmission order is repeated,
The other factor error variation calculation unit
When the satellite clock error transmission timing arrives, for each region, calculate the difference between the value of the other factor error last transmitted by the transmitter and the value of the other factor error when the satellite clock error transmission timing arrives 6. The transmission apparatus according to claim 4 or 5, wherein:
前記衛星軌道誤差の値が付加された測位補強情報が含まれる、前記複数の測位補強情報を送信する送信部と
を備えることを特徴とする送信装置。 Satellite orbit that generates positioning reinforcement information including at least one of a tropospheric delay error value and an ionospheric delay error value for each area, and transmits the information together with the plurality of positioning reinforcement information for the plurality of areas. A positioning reinforcement information generator for adding an error value to any one of the plurality of positioning reinforcement information;
A transmission apparatus comprising: a transmission unit that transmits the plurality of positioning reinforcement information including positioning reinforcement information to which the value of the satellite orbit error is added.
前記複数の測位補強情報のうちの１つに衛星軌道誤差の値を付加することを特徴とする請求項７記載の送信装置。 The positioning reinforcement information generation unit
8. The transmission apparatus according to claim 7, wherein a value of a satellite orbit error is added to one of the plurality of positioning reinforcement information.
前記複数の測位補強情報のうち、前記送信部により最初に送信される測位補強情報に衛星軌道誤差の値を付加することを特徴とする請求項７又は８記載の送信装置。 The positioning reinforcement information generation unit
9. The transmission apparatus according to claim 7, wherein a satellite orbit error value is added to the positioning reinforcement information that is transmitted first by the transmission unit among the plurality of positioning reinforcement information.
前記複数の測位補強情報のうちのいずれかの測位補強情報に周波数間バイアスの値を付加し、
前記送信部は、
前記周波数間バイアスの値が付加された測位補強情報が含まれる、前記複数の測位補強情報を送信することを特徴とする請求項７〜９いずれか記載の送信装置。 The positioning reinforcement information generation unit
Adding a value of an inter-frequency bias to any one of the plurality of positioning reinforcement information;
The transmitter is
The transmission apparatus according to claim 7, wherein the plurality of positioning reinforcement information including the positioning reinforcement information to which the inter-frequency bias value is added is transmitted.
前記複数の測位補強情報のうちのいずれかの測位補強情報に衛星軌道誤差の値と周波数間バイアスの値とを付加することを特徴とする請求項７〜１０いずれか記載の送信装置。 The positioning reinforcement information generation unit
The transmitter according to any one of claims 7 to 10, wherein a satellite orbit error value and an inter-frequency bias value are added to any one of the plurality of positioning reinforcement information.
前記複数の測位補強情報のうちの互いに地域が異なる２つ以上の測位補強情報をまとめて送信することを特徴とする請求項７〜１１いずれか記載の送信装置。 The transmitter is
The transmission apparatus according to any one of claims 7 to 11, wherein two or more positioning reinforcement information having different regions from each other among the plurality of positioning reinforcement information are transmitted together.
それぞれの地域内の特定の位置である特定位置の対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかを地域ごとに計測する遅延誤差計測部と、
前記遅延誤差計測部により対流圏遅延誤差の値が計測された場合に、任意の座標値における対流圏遅延誤差の近似値が求められる近似式により、地域ごとに、特定位置の対流圏遅延誤差の近似値を算出し、算出した近似値と前記遅延誤差計測部により計測された当該特定位置の対流圏遅延誤差の値との差を近似差として算出し、
前記遅延誤差計測部により電離層遅延誤差の値が計測された場合に、任意の座標値における電離層遅延誤差の近似値が求められる近似式により、地域ごとに、特定位置の電離層遅延誤差の近似値を算出し、算出した近似値と前記遅延誤差計測部により計測された当該特定位置の電離層遅延誤差の値との差を近似差として算出する近似差算出部と
を備え、
前記測位補強情報生成部は、
前記遅延誤差計測部により対流圏遅延誤差の値が計測された場合に、対流圏遅延誤差の近似値が求められる近似式を示す情報と、前記近似差算出部により算出された近似差の値とが、対流圏遅延誤差の値として含まれる測位補強情報を地域ごとに生成し、
前記遅延誤差計測部により電離層遅延誤差の値が計測された場合に、電離層遅延誤差の近似値が求められる近似式を示す情報と、前記近似差算出部により算出された近似差の値とが、電離層遅延誤差の値として含まれる測位補強情報を地域ごとに生成することを特徴とする請求項７〜１２いずれか記載の送信装置。 The transmitting device further includes:
A delay error measuring unit that measures at least one of a value of a tropospheric delay error and a value of an ionospheric delay error at a specific position, which is a specific position in each area, for each area;
When the value of the tropospheric delay error is measured by the delay error measuring unit, the approximate value of the tropospheric delay error at a specific position is obtained for each region by an approximate expression that obtains an approximate value of the tropospheric delay error at an arbitrary coordinate value. Calculating the difference between the calculated approximate value and the value of the tropospheric delay error at the specific position measured by the delay error measuring unit, as an approximate difference,
When the value of the ionospheric delay error is measured by the delay error measuring unit, an approximate value of the ionospheric delay error at a specific position is obtained for each region by an approximate expression for obtaining an approximate value of the ionospheric delay error at an arbitrary coordinate value. An approximate difference calculating unit that calculates the difference between the calculated approximate value and the value of the ionospheric delay error at the specific position measured by the delay error measuring unit as an approximate difference;
The positioning reinforcement information generation unit
When the value of the tropospheric delay error is measured by the delay error measuring unit, information indicating an approximate expression for obtaining an approximate value of the tropospheric delay error, and the value of the approximate difference calculated by the approximate difference calculating unit, Generate location reinforcement information included as a value of tropospheric delay error for each region,
When the value of the ionospheric delay error is measured by the delay error measuring unit, information indicating an approximate expression for obtaining an approximate value of the ionospheric delay error, and the value of the approximate difference calculated by the approximate difference calculating unit, The transmission apparatus according to any one of claims 7 to 12, wherein positioning reinforcement information included as a value of an ionospheric delay error is generated for each region.
それぞれの地域内の特定の位置である特定位置の対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかを地域ごとに計測する遅延誤差計測部と、
前記遅延誤差計測部により電離層遅延誤差の値が計測された場合に、任意の座標値における電離層遅延誤差の近似値が求められる近似式により、地域ごとに、特定位置の電離層遅延誤差の近似値を算出し、算出した近似値と前記遅延誤差計測部により計測された当該特定位置の電離層遅延誤差の値との差を近似差として算出する近似差算出部と
を備え、
前記測位補強情報生成部は、
前記遅延誤差計測部により対流圏遅延誤差の値が計測された場合に、前記遅延誤差計測部により計測された当該特定位置の対流圏遅延誤差の値が含まれる測位補強情報を地域ごとに生成し、
前記遅延誤差計測部により電離層遅延誤差の値が計測された場合に、電離層遅延誤差の近似値が求められる近似式を示す情報と、前記近似差算出部により算出された近似差の値とが、電離層遅延誤差の値として含まれる測位補強情報を地域ごとに生成することを特徴とする請求項７〜１２いずれか記載の送信装置。 The transmitting device further includes:
A delay error measuring unit that measures at least one of a value of a tropospheric delay error and a value of an ionospheric delay error at a specific position, which is a specific position in each area, for each area;
When the value of the ionospheric delay error is measured by the delay error measuring unit, an approximate value of the ionospheric delay error at a specific position is obtained for each region by an approximate expression for obtaining an approximate value of the ionospheric delay error at an arbitrary coordinate value. An approximate difference calculating unit that calculates the difference between the calculated approximate value and the value of the ionospheric delay error at the specific position measured by the delay error measuring unit as an approximate difference;
The positioning reinforcement information generation unit
When the value of the troposphere delay error is measured by the delay error measurement unit, the positioning reinforcement information including the value of the troposphere delay error at the specific position measured by the delay error measurement unit is generated for each region.
When the value of the ionospheric delay error is measured by the delay error measuring unit, information indicating an approximate expression for obtaining an approximate value of the ionospheric delay error, and the value of the approximate difference calculated by the approximate difference calculating unit, The transmission apparatus according to any one of claims 7 to 12, wherein positioning reinforcement information included as a value of an ionospheric delay error is generated for each region.
複数の電子基準点により構成される複数の電子基準点セットのうちのいずれかの電子基準点セットを選択し、選択した電子基準点セットから、対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかの算出に用いられる算出用情報を収集する収集部を備えることを特徴とする請求項７〜１４いずれか記載の送信装置。 The transmitting device further includes:
One of the plurality of electronic reference point sets constituted by a plurality of electronic reference points is selected, and at least one of a tropospheric delay error value and an ionospheric delay error value is selected from the selected electronic reference point set. The transmission device according to claim 7, further comprising a collection unit that collects calculation information used for any of the calculations.
対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかの算出に用いられる算出用情報であって、同一の電子基準点から、冗長化されたネットワークを経由して送信される複製された複数の算出用情報のうち、最初に到着する算出用情報を収集する収集部を備えることを特徴とする請求項７〜１５いずれか記載の送信装置。 The transmitting device further includes:
Calculation information used for calculating at least one of a tropospheric delay error value and an ionospheric delay error value, and a plurality of duplicated information transmitted from the same electronic reference point via a redundant network The transmission apparatus according to claim 7, further comprising a collection unit that collects calculation information that arrives first among the calculation information.
電子基準点の座標値の算出に用いられる座標値情報を収集する収集部と、
予め計測された前記電子基準点の座標値を記憶する座標値記憶部と、
前記収集部により収集された座標値情報を用いて前記電子基準点の座標値を算出し、算出した座標値と前記座標値記憶部により記憶されている座標値との差を算出する座標値差算出部と、
前記座標値差算出部により算出された座標値の差が予め設定された閾値よりも大きい場合に、前記電子基準点の近傍で地殻変動が発生したと判定する地殻変動判定部と
を備えることを特徴とする請求項７〜１６いずれか記載の送信装置。 The transmitting device further includes:
A collection unit that collects coordinate value information used to calculate the coordinate value of the electronic reference point;
A coordinate value storage unit for storing the coordinate value of the electronic reference point measured in advance;
Coordinate value difference for calculating the coordinate value of the electronic reference point using the coordinate value information collected by the collecting unit and calculating the difference between the calculated coordinate value and the coordinate value stored in the coordinate value storage unit A calculation unit;
A crustal movement determining unit that determines that crustal movement has occurred in the vicinity of the electronic reference point when the difference between the coordinate values calculated by the coordinate value difference calculating unit is greater than a preset threshold value. The transmission device according to any one of claims 7 to 16, characterized in that:
電子基準点の座標値の算出に用いられる座標値情報と、対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかの算出に用いられる算出用情報とを収集する収集部と、
予め計測された前記電子基準点の座標値を記憶する座標値記憶部と、
前記収集部により収集された座標値情報を用いて前記電子基準点の座標値を算出し、算出した座標値と前記座標値記憶部により記憶されている座標値との差を算出する座標値差算出部と
を備え、
前記測位補強情報生成部は、
前記座標値差算出部により算出された座標値の差が予め設定された閾値よりも大きい場合に、前記収集部により収集された算出用情報と、前記座標値差算出部により算出された前記電子基準点の座標値とに基づき対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかの値を算出し、算出した値が含まれる測位補強情報を生成し、
前記座標値差算出部により算出された座標値の差が予め設定された閾値以下の場合に、前記収集部により収集された算出用情報と、前記座標値記憶部により記憶されている前記電子基準点の座標値とに基づき対流圏遅延誤差の値及び電離層遅延誤差の値の少なくともいずれかを算出し、算出した値が含まれる測位補強情報を生成することを特徴とする請求項７〜１７いずれか記載の送信装置。 The transmitting device further includes:
A collection unit that collects coordinate value information used to calculate the coordinate value of the electronic reference point, and calculation information used to calculate at least one of a tropospheric delay error value and an ionospheric delay error value;
A coordinate value storage unit for storing the coordinate value of the electronic reference point measured in advance;
Coordinate value difference for calculating the coordinate value of the electronic reference point using the coordinate value information collected by the collecting unit and calculating the difference between the calculated coordinate value and the coordinate value stored in the coordinate value storage unit A calculation unit,
The positioning reinforcement information generation unit
When the difference between the coordinate values calculated by the coordinate value difference calculation unit is larger than a preset threshold value, the calculation information collected by the collection unit and the electron calculated by the coordinate value difference calculation unit Calculate at least one of the value of the tropospheric delay error and the value of the ionospheric delay error based on the coordinate value of the reference point, and generate the positioning reinforcement information including the calculated value,
When the difference between the coordinate values calculated by the coordinate value difference calculation unit is equal to or less than a preset threshold value, the calculation information collected by the collection unit and the electronic reference stored by the coordinate value storage unit 18. At least one of a tropospheric delay error value and an ionospheric delay error value is calculated based on the coordinate value of the point, and positioning reinforcement information including the calculated value is generated. The transmitting device described.
前記受信部により受信された他要因誤差の値と衛星クロック誤差の値とを用いて、衛星測位を行う測位部とを備え、
前記受信部は、
前記送信装置が前記衛星クロック誤差の値を送信するタイミングにおいて前記送信装置により計測された他要因誤差の値と、前記送信装置により送信済みの他要因誤差の値との差が含められている衛星クロック誤差の値を受信することを特徴とする測位装置。 The other factor error value and the satellite clock error value transmitted from the transmitter that transmits the satellite clock error after transmitting the other factor error value that is an error other than the satellite clock error among the errors used for satellite positioning A receiving unit for receiving
A positioning unit that performs satellite positioning using the value of the other factor error and the value of the satellite clock error received by the receiving unit,
The receiver is
A satellite including a difference between the value of the other factor error measured by the transmitter at the timing when the transmitter transmits the value of the satellite clock error and the value of the other factor error transmitted by the transmitter A positioning device that receives a value of a clock error.
地域ごとの他要因誤差の値と、前記地域ごとの衛星クロック誤差の値とを受信し、
前記測位部は、
前記測位装置の所在地域の他要因誤差の値と、前記測位装置の所在地域の衛星クロック誤差の値とを用いて衛星測位を行うことを特徴とする請求項１９記載の測位装置。 The receiver is
Receive the value of other factor error for each region and the value of satellite clock error for each region,
The positioning unit is
20. The positioning device according to claim 19, wherein satellite positioning is performed using a value of another factor error in a location area of the positioning device and a value of a satellite clock error in the location area of the positioning device.
地域ごとの他要因誤差の値と、地域間で共通の衛星クロック誤差の値とを受信し、
前記測位部は、
前記測位装置の所在地域の他要因誤差の値と、前記地域間で共通の衛星クロック誤差の値とを用いて衛星測位を行うことを特徴とする請求項１９記載の測位装置。 The receiver is
Receives other factor error values for each region and satellite clock error values that are common between regions,
The positioning unit is
20. The positioning device according to claim 19, wherein satellite positioning is performed using a value of another factor error in a location area of the positioning device and a value of a satellite clock error common to the regions.
対流圏遅延誤差と、衛星軌道誤差と、周波数間バイアスとの少なくともいずれかの種類の誤差が他要因誤差とされ、
他要因誤差の種類ごとに、前記衛星クロック誤差の値を送信するタイミングにおいて前記送信装置により計測された他要因誤差の値と、前記送信装置により送信済みの他要因誤差の値との差が算出され、算出された他要因誤差の種類ごとの差が含められている衛星クロック誤差の値を受信することを特徴とする請求項１９〜２１いずれか記載の測位装置。 The receiver is
At least one kind of error of tropospheric delay error, satellite orbit error, and inter-frequency bias is considered as other factor error,
For each type of other factor error, the difference between the value of the other factor error measured by the transmitter at the timing of transmitting the satellite clock error value and the value of the other factor error transmitted by the transmitter is calculated. The positioning device according to any one of claims 19 to 21, wherein the positioning device receives a value of a satellite clock error including a calculated difference for each type of other factor error.
データフレームごとに、前記受信部により受信された他要因誤差の値を記憶する記憶部と、
前記受信部が衛星クロック誤差の値を受信する度に、前記受信部が受信した衛星クロック誤差の値と同じデータフレームに含まれる他要因誤差の値及び前記記憶部で記憶されている過去のデータフレームの他要因誤差の値のうちのいずれかを選択し、前記受信部が受信した衛星クロック誤差の値と、選択した他要因誤差の値とを用いて、衛星測位を行う測位部と
を備えることを特徴とする測位装置。 A receiver that repeatedly receives a data frame including a value of other factor error that is an error other than satellite clock error among errors used for satellite positioning, and a plurality of satellite clock error values;
For each data frame, a storage unit that stores values of other factor errors received by the receiving unit;
Each time the receiving unit receives a satellite clock error value, the other factor error value included in the same data frame as the satellite clock error value received by the receiving unit and the past data stored in the storage unit A positioning unit that selects any one of the other factor error values of the frame and performs satellite positioning using the satellite clock error value received by the receiving unit and the selected other factor error value; A positioning device characterized by that.
他要因誤差の値の受信後に受信された衛星クロック誤差の値に対しては、衛星クロック誤差の値に先行して受信された、同じデータフレームに含まれる他要因誤差の値を選択し、
他要因誤差の値の受信前に受信された衛星クロック誤差の値に対しては、衛星クロック誤差の値の後に受信される他要因誤差の値の受信を待つことなく、前記記憶部で記憶されている過去のデータフレームの他要因誤差の値を選択することを特徴とする請求項２３記載の測位装置。 The positioning unit is
For the satellite clock error value received after receiving the other factor error value, select the other factor error value included in the same data frame received prior to the satellite clock error value;
The satellite clock error value received before the reception of the other factor error value is stored in the storage unit without waiting for the reception of the other factor error value received after the satellite clock error value. 24. The positioning device according to claim 23, wherein a value of another factor error of the past data frame is selected.
複数の地域に対する複数の他要因誤差の値が含まれるとともに、他要因誤差の値の合間に衛星クロック誤差の値が含まれ、前記複数の他要因誤差の値のうちの少なくとも１つが、前記測位装置の所在地域の他要因誤差の値であるデータフレームを受信し、
前記記憶部は、
データフレームごとに、前記測位装置の所在地域の他要因誤差の値を記憶し、
前記測位部は、
前記測位装置の所在地域の他要因誤差の値の受信後に受信された衛星クロック誤差の値に対しては、衛星クロック誤差の値に先行して受信された、同じフレームに含まれる前記測位装置の所在地域の他要因誤差の値を選択し、
前記測位装置の所在地域の他要因誤差の値の受信前に受信された衛星クロック誤差の値に対しては、衛星クロック誤差の値の後に受信される前記測位装置の所在地域の他要因誤差の値の受信を待つことなく、前記記憶部で記憶されている過去のデータフレームの前記測位装置の所在地域の他要因誤差の値を選択することを特徴とする請求項２３又は２４記載の測位装置。 The receiver is
A plurality of other factor error values for a plurality of regions are included, and a satellite clock error value is included between the other factor error values, and at least one of the plurality of other factor error values is the positioning Receive a data frame that is the value of other factor error in the device location,
The storage unit
For each data frame, store the value of other factor errors in the location area of the positioning device,
The positioning unit is
For the satellite clock error value received after receiving the other factor error value of the location of the positioning device, the positioning device included in the same frame received prior to the satellite clock error value Select the value of other factor error in the location area,
The satellite clock error value received before receiving the other factor error value of the positioning device location area is different from the other error factor of the positioning device location area received after the satellite clock error value. 25. The positioning device according to claim 23 or 24, wherein a value of another factor error of a location area of the positioning device in a past data frame stored in the storage unit is selected without waiting for reception of a value. .
任意の座標値における対流圏遅延誤差の近似値が求められる近似式を示す情報と、前記近似式により算出される特定の位置の対流圏遅延誤差の近似値と前記特定の位置における対流圏遅延誤差の計測値との差分値である近似差とのデータセットである対流圏遅延誤差データセットが含まれる他要因誤差の値、及び
任意の座標値における電離層遅延誤差の近似値が求められる近似式を示す情報と、前記近似式により算出される特定の位置の電離層遅延誤差の近似値と前記特定の位置における電離層遅延誤差の計測値との差分値である近似差とのデータセットである電離層遅延誤差データセットが含まれる他要因誤差の値の少なくともいずれかを受信し、
前記測位部は、
前記受信部により対流圏遅延誤差データセットが含まれる他要因誤差の値が受信された場合に、受信された対流圏遅延誤差データセットの近似式を示す情報と前記特定の位置の座標値とに基づき、前記特定の位置における対流圏遅延誤差の値の近似値を算出し、算出した対流圏遅延誤差の値の近似値に近似差を加え、前記特定の位置における対流圏遅延誤差の値を算出し、算出した値を用いて衛星測位を行い、
前記受信部により電離層遅延誤差データセットが含まれる他要因誤差の値が受信された場合に、受信された電離層遅延誤差データセットの近似式を示す情報と前記特定の位置の座標値とに基づき、前記特定の位置における電離層遅延誤差の値の近似値を算出し、算出した電離層遅延誤差の値の近似値に近似差を加え、前記特定の位置における電離層遅延誤差の値を算出し、算出した値を用いて衛星測位を行うことを特徴とする請求項２３〜２５いずれか記載の測位装置。 The receiver is
Information indicating an approximate expression for obtaining an approximate value of the tropospheric delay error at an arbitrary coordinate value, an approximate value of the tropospheric delay error at a specific position calculated by the approximate expression, and a measured value of the tropospheric delay error at the specific position Information indicating an approximate expression from which an error value of other factors including a troposphere delay error data set that is a data set with an approximate difference that is a difference value between and an ionosphere delay error at an arbitrary coordinate value is obtained; Includes an ionospheric delay error data set, which is a data set of an approximate difference that is a difference value between the approximate value of the ionospheric delay error at the specific position calculated by the approximate expression and the measured value of the ionospheric delay error at the specific position Receive at least one of the other factors error value
The positioning unit is
When the other unit error value including the tropospheric delay error data set is received by the receiving unit, based on the information indicating the approximate expression of the received tropospheric delay error data set and the coordinate value of the specific position, Calculate an approximate value of the tropospheric delay error value at the specific position, add an approximate difference to the calculated approximate value of the tropospheric delay error, calculate the value of the tropospheric delay error at the specific position, and calculate the value Perform satellite positioning using
When a value of other factor error including the ionosphere delay error data set is received by the receiving unit, based on the information indicating the approximate expression of the received ionosphere delay error data set and the coordinate value of the specific position, Calculate the approximate value of the ionospheric delay error value at the specific position, add an approximate difference to the calculated approximate value of the ionospheric delay error, calculate the ionospheric delay error value at the specific position, and calculate the value 26. The positioning device according to claim 23, wherein satellite positioning is performed using
送信装置から送信された他要因誤差の値と衛星クロック誤差の値とを転送する準天頂衛星から他要因誤差の値と衛星クロック誤差の値とを受信することを特徴とする請求項２３〜２６いずれか記載の測位装置。 The receiver is
27. The value of the other factor error and the value of the satellite clock error are received from the quasi-zenith satellite that transmits the value of the other factor error and the value of the satellite clock error transmitted from the transmitter. Any positioning device.
前記受信部により受信された衛星クロック誤差の値と、他要因誤差の値とを用いて所定の記述形式のデータファイルを生成するデータファイル生成部を備えることを特徴とする請求項２３〜２７いずれか記載の測位装置。 The positioning device further includes:
28. The data file generation unit according to claim 23, further comprising a data file generation unit configured to generate a data file having a predetermined description format using the satellite clock error value received by the reception unit and the other factor error value. Or a positioning device as described.
他要因誤差の値の精度を示す精度情報を他要因誤差の値と共に受信し、
前記測位部は、
前記受信部により受信された精度情報に示される精度を、当該精度情報と共に受信された他要因誤差の値に基づく測位結果に対応付けることを特徴とする請求項２３〜２８いずれか記載の測位装置。 The receiver is
Receives accuracy information indicating the accuracy of other factor error values along with other factor error values,
The positioning unit is
The positioning apparatus according to any one of claims 23 to 28, wherein the accuracy indicated in the accuracy information received by the receiving unit is associated with a positioning result based on a value of other factor error received together with the accuracy information.
前記第２の時間間隔で、前記補正値を用いて前記誤差の値を補正する誤差補正部とを有することを特徴とする測位装置。An error correction unit that corrects the error value by using the correction value at the second time interval.
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