JP2013101085A5 - Mobile station apparatus or position measurement method for mobile station apparatus - Google Patents
Mobile station apparatus or position measurement method for mobile station apparatus Download PDFInfo
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- JP2013101085A5 JP2013101085A5 JP2011246016A JP2011246016A JP2013101085A5 JP 2013101085 A5 JP2013101085 A5 JP 2013101085A5 JP 2011246016 A JP2011246016 A JP 2011246016A JP 2011246016 A JP2011246016 A JP 2011246016A JP 2013101085 A5 JP2013101085 A5 JP 2013101085A5
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前記無線ネットワークから無線信号を受信し、前記無線ネットワークへ無線信号を送信する第１無線部と、
前記第１無線部で受信した前記基地局装置からの無線信号の受信レベルを測定する無線品質測定部と、
前記第１無線部で受信した前記基地局装置からの報知情報であって、該基地局装置の位置情報と送信電力値とを含む報知情報を取得する報知情報取得部と、
前記アシストデータを取得するためのメッセージを前記第１無線部を介して前記測位サーバへ送信し、前記第１無線部を介して前記測位サーバからのアシストデータを受信して取得するアシストデータ処理部と、
前記ＧＰＳ衛星からの無線信号を受信する第２無線部と、
前記第２無線部で受信したＧＰＳ信号と前記アシストデータ処理部で取得したアシストデータとを用いて、前記移動局装置の位置情報を算出して取得する測位処理を行うＧＰＳ測位処理部と、
前記移動局装置の移動時における測位処理を制御するＧＰＳ測位制御部とを備え、
前記ＧＰＳ測位制御部は、
前記報知情報取得部で取得した前記基地局装置の送信電力値と、前記無線品質測定部で測定した前記基地局装置からの無線信号の受信レベルとの差に基づいて、前記移動局装置と前記基地局装置の間の距離を算出する基地局距離算出処理を、前記移動局装置周辺の複数の基地局装置について行い、前記基地局距離算出処理で算出した複数の基地局装置と移動局装置の間の距離と、前記報知情報取得部で取得した前記基地局装置の位置情報とに基づいて前記移動局装置の概略位置を算出する概略位置算出処理機能を有し、
前記移動局装置が第１の位置にいるときに、前記概略位置算出処理により第１の概略位置を算出するとともに、前記アシストデータ処理部に第１のアシストデータを取得させて、前記ＧＰＳ測位処理部に前記第１のアシストデータを用いた前記測位処理を行わせ、その後、前記移動局装置が第２の位置に移動したときに、前記概略位置算出処理により第２の概略位置を算出し、前記第１の概略位置と前記第２の概略位置の間の移動距離が所定の閾値未満の場合は、前記アシストデータ処理部に第２のアシストデータの取得を行わせず、前記ＧＰＳ測位処理部に前記第１のアシストデータを用いた前記測位処理を行わせ、前記第１の概略位置と前記第２の概略位置の間の移動距離が前記所定の閾値以上の場合は、前記アシストデータ処理部に第２のアシストデータを取得させて、前記ＧＰＳ測位処理部に前記第２のアシストデータを用いた前記測位処理を行わせるよう制御することを特徴とする移動局装置。 A GPS signal is received from a GPS satellite, connected to a plurality of base stations via a wireless network, assist data for positioning are received from a positioning server via the wireless network, and the GPS signal and the assist data are received. A mobile station apparatus that measures the position of its own station using
A first wireless unit that receives a wireless signal from the wireless network and transmits the wireless signal to the wireless network;
A wireless quality measurement unit that measures the reception level of the wireless signal from the base station apparatus received by the first wireless unit;
A broadcast information acquisition unit that acquires broadcast information from the base station apparatus received by the first wireless unit, the broadcast information including position information of the base station apparatus and a transmission power value;
Assist data processing unit that transmits a message for acquiring the assist data to the positioning server via the first wireless unit, and receives and acquires assist data from the positioning server via the first wireless unit When,
A second radio unit for receiving radio signals from the GPS satellites;
A GPS positioning processing unit that performs positioning processing of calculating and acquiring position information of the mobile station apparatus using the GPS signal received by the second wireless unit and the assist data acquired by the assist data processing unit;
And a GPS positioning control unit that controls positioning processing when the mobile station device moves.
The GPS positioning control unit
The mobile station apparatus and the mobile station apparatus based on the difference between the transmission power value of the base station apparatus acquired by the broadcast information acquisition unit and the reception level of the radio signal from the base station apparatus measured by the radio quality measurement unit. Base station distance calculation processing for calculating a distance between base station devices is performed on a plurality of base station devices in the vicinity of the mobile station device, and the plurality of base station devices and mobile station devices calculated in the base station distance calculation processing The approximate position calculation processing function of calculating the approximate position of the mobile station apparatus based on the distance between the two and the position information of the base station apparatus acquired by the broadcast information acquisition unit;
When the mobile station apparatus is at the first position, the general position calculation process calculates the first approximate position, and the assist data processing unit acquires the first assist data to perform the GPS positioning process. Causing the unit to perform the positioning process using the first assist data, and thereafter calculating the second approximate position by the approximate position calculation process when the mobile station apparatus moves to the second position, When the movement distance between the first approximate position and the second approximate position is less than a predetermined threshold, the assist data processing unit does not acquire the second assist data, and the GPS positioning processing unit Performing the positioning process using the first assist data, and when the moving distance between the first approximate position and the second approximate position is equal to or more than the predetermined threshold value, the assist data processing unit To The assist data by acquiring the mobile station apparatus characterized by controlling so as to perform said positioning processing using the second assist data to the GPS positioning process unit.
前記ＧＰＳ測位制御部は、 The GPS positioning control unit
前記移動局装置が第１の位置にいるときに、前記概略位置算出処理により第１の概略位置を算出するとともに、前記アシストデータ処理部に第１のアシストデータを取得させて、前記ＧＰＳ測位処理部に前記第１のアシストデータを用いた前記測位処理を行わせ、その後、前記移動局装置が第２の位置に移動したときに、前記概略位置算出処理により第２の概略位置を算出し、前記第１の概略位置と前記第２の概略位置の間の移動距離が所定の閾値未満の場合は、前記アシストデータ処理部に第２のアシストデータの取得を行わせず、前記ＧＰＳ測位処理部に前記第１のアシストデータを用いた前記測位処理を行わせ、前記第１の概略位置と前記第２の概略位置の間の移動距離が前記所定の閾値以上であって、かつ前記第１の概略位置と前記第２の概略位置の間の移動時間が所定の閾値以上の場合は、前記アシストデータ処理部に第２のアシストデータを取得させて、前記ＧＰＳ測位処理部に前記第２のアシストデータを用いた前記測位処理を行わせるよう制御することを特徴とする移動局装置。 When the mobile station apparatus is at the first position, the general position calculation process calculates the first approximate position, and the assist data processing unit acquires the first assist data to perform the GPS positioning process. Causing the unit to perform the positioning process using the first assist data, and thereafter calculating the second approximate position by the approximate position calculation process when the mobile station apparatus moves to the second position, When the movement distance between the first approximate position and the second approximate position is less than a predetermined threshold, the assist data processing unit does not acquire the second assist data, and the GPS positioning processing unit Performing the positioning process using the first assist data, and a moving distance between the first approximate position and the second approximate position is equal to or greater than the predetermined threshold value, and the first Rough position and the above When the movement time between the two approximate positions is equal to or more than a predetermined threshold value, the assist data processing unit is caused to acquire the second assist data, and the GPS positioning processing unit uses the second assist data. A mobile station apparatus controlled to perform positioning processing.
前記基地局装置からの無線信号の受信レベルを測定する受信レベル測定ステップと、 A reception level measurement step of measuring a reception level of a radio signal from the base station apparatus;
前記基地局装置からの報知情報であって、該基地局装置の位置情報と送信電力値とを含む報知情報を取得する報知情報取得ステップと、 A system information acquisition step of acquiring system information from the base station apparatus, the system information including position information of the base station apparatus and a transmission power value;
前記報知情報取得ステップで取得した前記基地局装置の送信電力値と、前記受信レベル測定ステップで測定した前記基地局装置からの無線信号の受信レベルとの差から、前記移動局装置と前記基地局装置の間の距離を算出する基地局距離算出処理ステップと、 From the difference between the transmission power value of the base station apparatus acquired in the broadcast information acquisition step and the reception level of the radio signal from the base station apparatus measured in the reception level measurement step, the mobile station apparatus and the base station A base station distance calculation processing step of calculating a distance between the devices;
前記基地局距離算出処理ステップを前記移動局装置周辺の複数の基地局装置について行い、前記基地局距離算出処理ステップで算出した複数の基地局装置と移動局装置の間の距離と、前記報知情報取得ステップで取得した前記基地局装置の位置情報とに基づいて前記移動局装置の概略位置を算出する概略位置算出処理ステップと、 The base station distance calculation processing step is performed for a plurality of base station devices in the vicinity of the mobile station device, the distances between the plurality of base station devices and the mobile station device calculated in the base station distance calculation processing step, and the broadcast information An approximate position calculation processing step of calculating an approximate position of the mobile station apparatus based on the position information of the base station apparatus acquired in the acquisition step;
前記移動局装置が第１の位置にいるときに、前記概略位置算出処理ステップにより第１の概略位置を算出するとともに、前記測位サーバからの第１のアシストデータを受信して取得し、前記第１のアシストデータと前記ＧＰＳ衛星から受信したＧＰＳ信号とを用いて前記移動局装置の位置情報を算出する測位処理を行う、第１の測位処理ステップと、 When the mobile station device is at the first position, the general position calculation processing step calculates the first general position, and receives and acquires the first assist data from the positioning server, and A first positioning processing step of performing positioning processing of calculating position information of the mobile station apparatus using assist data of 1 and a GPS signal received from the GPS satellite;
前記移動局装置が前記第１の位置から第２の位置に移動したときに、前記概略位置算出処理ステップにより第２の概略位置を算出し、前記第１の概略位置と前記第２の概略位置の間の移動距離が所定の閾値未満の場合は、第２のアシストデータの取得を行わず、前記第１のアシストデータと前記ＧＰＳ衛星から受信したＧＰＳ信号とを用いて前記移動局装置の位置情報を算出する測位処理を行い、前記第１の概略位置と前記第２の概略位置の間の移動距離が前記所定の閾値以上の場合は、前記測位サーバからの第２のアシストデータを受信して取得し、前記第２のアシストデータと前記ＧＰＳ衛星から受信したＧＰＳ信号とを用いて前記移動局装置の位置情報を算出する測位処理を行う、第２の測位処理ステップを備えることを特徴とする移動局装置、又は移動局装置の位置測定方法。 When the mobile station apparatus moves from the first position to the second position, a second approximate position is calculated by the approximate position calculation processing step, and the first approximate position and the second approximate position are calculated. Position of the mobile station apparatus using the first assist data and the GPS signal received from the GPS satellite without acquiring the second assist data if the moving distance between them is less than the predetermined threshold value The positioning processing for calculating information is performed, and when the moving distance between the first approximate position and the second approximate position is equal to or more than the predetermined threshold value, the second assist data from the positioning server is received. A second positioning processing step of performing positioning processing for calculating position information of the mobile station apparatus using the second assist data and a GPS signal received from the GPS satellite. Transfer Station apparatus or position measuring method for a mobile station apparatus.
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| JP2011246016A JP2013101085A (en) | 2011-11-10 | 2011-11-10 | Mobile station device |
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| JP2011246016A JP2013101085A (en) | 2011-11-10 | 2011-11-10 | Mobile station device |
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| JP2013101085A JP2013101085A (en) | 2013-05-23 |
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| JP3157792B2 (en) * | 1998-11-20 | 2001-04-16 | 日本電気移動通信株式会社 | Mobile station current position calculation method and base station navigation system |
| JP2003035763A (en) * | 2001-07-24 | 2003-02-07 | Matsushita Electric Ind Co Ltd | Position calculation apparatus |
| JP4240216B2 (en) * | 2003-09-08 | 2009-03-18 | 日本電気株式会社 | Network-assisted GPS terminal and positioning method |
| JP2009198321A (en) * | 2008-02-21 | 2009-09-03 | Panasonic Corp | Mobile communication terminal and positioning method thereof |
| US20090303119A1 (en) * | 2008-06-06 | 2009-12-10 | Skyhook Wireless, Inc. | Systems and methods for using environmental information in a hybrid positioning system |
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