WO2005098468A1 - 位置保証サーバ、位置保証システム及び位置保証方法 - Google Patents
位置保証サーバ、位置保証システム及び位置保証方法 Download PDFInfo
- Publication number
- WO2005098468A1 WO2005098468A1 PCT/JP2005/006588 JP2005006588W WO2005098468A1 WO 2005098468 A1 WO2005098468 A1 WO 2005098468A1 JP 2005006588 W JP2005006588 W JP 2005006588W WO 2005098468 A1 WO2005098468 A1 WO 2005098468A1
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- WIPO (PCT)
- Prior art keywords
- positioning
- signal
- transmission data
- information
- positioning terminal
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/396—Determining accuracy or reliability of position or pseudorange measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/09—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing processing capability normally carried out by the receiver
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
Definitions
- the present invention relates to a system and a device relating to position authentication using positioning satellite information and the like.
- the conventional position assurance system described in Patent Document 1 authenticates position information and time information itself obtained using GPS (Global Positioning System) using information from three or more positioning satellites. are doing.
- the positioning terminal digital camera
- the server decrypts the location information, generates the obtained longitude Z latitude information, and generates location identification data, performs copy guard processing, and transmits it to the positioning terminal. This proves that the image was not taken elsewhere.
- this system is configured to have a function of calculating the position in the GPS receiver, which is a mobile terminal, You will have the same problems that general GPS receivers have.
- a general GPS receiver 100 includes a GPS antenna 101 that receives radio waves from GPS satellites, a receiving device 102 that converts an analog signal received by the GPS antenna 101 into a digital signal, It consists of a position calculation device 103 that calculates the position using a positioning code 111 from which the digital signal power is also extracted, a carrier wave 112, etc., and uses a plurality of GPS satellite power to receive the position (latitude, longitude, etc.) using received radio waves. Generate.
- This GPS receiver 100 has a problem that, for example, it takes a few tens of seconds to perform a cold start (first positioning after turning on the power) in the positioning, and the GPS receiver 100 can calculate the position based on the request from the user. Until the above time, no proof can be obtained. Naturally, positioning cannot be performed in places where GPS signals cannot be received, so certification cannot be obtained in such places.
- a device that can generate an output similar to the output of the GPS antenna such as a GPS simulator, it is possible to input the output of the wrong GPS antenna to the GPS receiver. It is also possible to directly input an incorrect position to the information processing device.
- GPS positioning methods that can be used by private companies are roughly classified into a method using a positioning code (CZA code) and a method using a carrier phase.
- CZA code positioning code
- the positioning code is easy. Enter known to be forgeable. For example, by installing a device that can generate the same signal as the GPS satellite, such as PseudoLite, near the antenna, it is possible to input the wrong GPS signal to the GPS antenna.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-33537
- the conventional position assurance system is configured as described above, and there is a problem that it may take time to guarantee the position, or the position may not be guaranteed.
- the present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a position assurance in a place where a cold start time is short V, a position assurance is obtained, and a GPS signal cannot be received. With the goal.
- Another object of the present invention is to prevent and detect erroneous information from being mixed, thereby achieving high reliability! , To achieve position assurance.
- Yet another object of the present invention is to provide a position guarantee that clarifies the position accuracy.
- a server includes a receiving unit that encrypts a positioning code and a carrier from a positioning satellite with its own identification code and receives transmission data transmitted from a positioning terminal;
- a decoding unit that stores the identification code of the positioning terminal and decodes the transmission data with the identification code
- a position calculating unit that calculates the position of the positioning terminal based on the positioning code and the carrier wave decoded by the decoding unit;
- a certificate generation unit for certifying the position information obtained by the position calculation unit.
- the certificate generation unit when receiving a position assurance request from the positioning terminal, calculates the position information by the corresponding position calculation unit. The proof is performed.
- the certificate generation unit is characterized in that one of the information of the device indicating another position and the information of time is added to certify the position information.
- the certificate generation unit is characterized in that the certificate generation unit certifies the position information by adding one of the calculation based on the correction information to the position information from the positioning satellite and the arrangement information of the positioning satellite. .
- a receiving unit for receiving a position signal indicating the position of the positioning satellite, and a signal storage unit for storing the position signal received by the receiving unit are provided. Is used to determine the transmission data of the positioning terminal, and when it is determined that the transmission data from the positioning terminal is correct, the position of the positioning terminal is calculated.
- a position assurance system includes: a positioning terminal that encrypts a positioning code and a carrier from a positioning satellite with its own identification code and transmits transmission data;
- a decoding unit that stores the identification code of the positioning terminal, receives and decodes the transmission data, and calculates the position of the positioning terminal based on the decoded positioning code and carrier.
- a position calculation unit that performs the position calculation, and a certificate generation unit that certifies the position information obtained by the position calculation. , And.
- the positioning terminal is characterized in that a part for receiving a positioning code of a positioning satellite power and a carrier wave and a part for encrypting the received signal with its own identification code are tamper-resistant.
- the server includes a receiving unit that receives a position signal indicating the position of the positioning satellite, and a signal storage unit that stores the position signal received by the receiving unit.
- the transmission data of the positioning terminal is determined using the obtained position signal, and when the transmission data of the positioning terminal power is determined to be correct, the position of the positioning terminal is calculated.
- the position assurance method comprises: a step of encrypting a positioning code and a carrier from a positioning satellite with its own identification code and transmitting the transmission data as transmission data to a positioning terminal; Receiving and decoding the transmission data using the identification code of the positioning terminal;
- a certificate generation step for certifying the position information obtained in the position calculation step when there is a position assurance request.
- the position information from another device is also calculated, and at least one of the calculated position information and the time information is added to the position information of the positioning terminal. It is characterized by doing.
- the signal processing apparatus further includes a signal removing step of removing an unnecessary signal from the received transmission data power, and the step of calculating the position includes positioning using the decoded transmission data removed in the signal removing step. The position of the terminal is calculated.
- the step of calculating the position includes obtaining at least one piece of information from among the correction information for the position information from the positioning satellite, the position information of the positioning satellite, and the position information of the electronic reference point, and It is characterized by determining whether the transmission data of the positioning terminal power is correct based on the obtained information, and calculating the position of the positioning terminal when determining that the transmission data of the positioning terminal power is correct.
- the server includes a step of receiving a position signal indicating the position of the positioning satellite, and a signal storage step of storing the position signal received by the server in the receiving step. In the step, the transmission data of the positioning terminal is determined using the position signal stored in the signal accumulation step, and after determining that the transmission data of the positioning terminal force is positive, the position of the positioning terminal is calculated. It is characterized by.
- the input obtained by encrypting the positioning code and the carrier wave is decrypted in the server and the position is calculated, so that it is difficult to falsify and an immediate response is possible, and a highly reliable position assurance is provided. There is an effect that can be obtained.
- Examples of the location assurance service providing system shown in Fig. 2 include a road pricing system that proves that a certain vehicle is in a toll area and an information security system that proves that a vehicle is in a confidential document browsing area.
- a positioning terminal 10 which receives a GPS signal and requests a position assurance of being at a certain position at a certain time, or further requests assurance of the position accuracy information, and the request
- the location assurance server 20 (hereinafter, referred to as a server) that issues certificates that guarantee them, and the user terminal 30 that uses the issued certificates is a wireless communication network or a wired communication network such as the Internet. Connected through a communication network.
- the use terminal 30 may be the same terminal as the positioning terminal 10.
- the positioning terminal 10 may be a mobile terminal such as a mobile phone, a PDA, or a car navigation system in addition to a dedicated terminal.
- the pedestrian may have a mobile terminal, or may be mounted on a car or a motorcycle.
- the server is installed at a location assurance center or the like.
- FIG. 1 shows a hardware configuration of a system according to the present embodiment.
- the positioning terminal 10 includes the following components. That is, positioning code which is GPS signal GPS antenna 11 for receiving 111 and carrier 112, signal received by GPS antenna 11 and AZD-converted signal for carrier are converted to data for transmission.
- An ID storage unit 15 for storing a unique identification symbol (ID) allocated to the server, an encryption unit 14 for encrypting transmission data using the ID, and a server for storing the encrypted transmission data.
- the communication unit 16 is configured to include a communication unit 16 for transmitting the position guarantee transmitted from the server and a guarantee storage unit 17 for storing the position guarantee transmitted from the server.
- the ID storage unit 15 includes a processor 71, a memory 72, and a program stored in the memory 72 (in this case, an ID storage program 73). 72 is connected by an internal bus 74. Similarly, the processor 31 reads the contents of the encryption unit 14 and the assurance storage unit 17 using a program stored in the memory and executes them. These elements are connected by an internal bus 74, and the entire operation is obtained by the processor shown in FIG.
- each component of the server 20 described below has a configuration having an execution program for performing the function shown by each component in FIG. 1, and obtains the function shown in FIG.
- the server 20 includes the following components.
- a communication unit 21 that receives the encrypted transmission data and transmits the position guarantee, a decryption unit 23 that decrypts the encrypted transmission data, and a position based on the decrypted transmission data.
- a position calculation unit 24 for calculating and a certificate generation unit 22 for creating a certificate (position guarantee) for the calculated position.
- Position assurance is performed by providing a copy guard as necessary so that illegal copying cannot be performed on the receiving side.
- the positioning terminal 10 receives the set of the positioning code 111 and the carrier 112 with the GPS antenna 11, and the AZD-attached receiving unit 12 converts this into a digital signal. This also receives a plurality of positioning satellites, and makes a signal as a set together with the identification symbols of the positioning satellites 50a and 50b. Then, the encryption unit 14 encrypts the positioning code 111, the carrier wave 112, and the positioning satellite identification number using its own ID. A generally known method can be used for this encryption. Then, in step S41, the encrypted data is transmitted to the server 20 together with the position assurance request as transmission data. To do.
- the server 20 Upon receiving the position assurance request via the communication unit 21 in step S31, the server 20 decodes the signal transmitted by the decoding unit 23 in S32. A generally known method can be used for the decryption.
- the position calculating unit 24 calculates the position and time of the transmitting positioning terminal 10 based on the decoded positioning code 111, carrier wave 112 and positioning satellite identification number. Then, it passes to the certificate generation unit 22 together with the ID of the positioning terminal 10. For this position calculation, a generally known method can be used.
- the server 20 creates a position and time based on the received signal as a certificate for an ID unique to the terminal in the certificate generation unit 22 of the server in S34.
- a certificate for an ID unique to the terminal in the certificate generation unit 22 of the server in S34.
- the server 20 calculates the position, the cold start time of the positioning terminal can be shortened. Furthermore, since the positioning code and the carrier are transmitted after being encrypted, there is an effect that it is difficult to falsify the position information.
- FIG. 5 shows a system configuration according to the present embodiment.
- the position and time information received by the server 20 are based on the position of the base station 40 connected to the communication network by the positioning terminal 10b, which can be connected only to the GPS signal from the positioning terminal 10b. Also receives time information.
- the server 20 Upon receiving the location assurance request from the terminal, the server 20 transmits the location assurance request in step S34b in FIG.
- the received GPS signal and the location on the communication network received at the same time for example, if the mobile phone is used, the base station 40 used by the mobile phone for communication becomes the location on the communication network, and the received location information The position and time of the communication network are also calculated.
- the server 20 outputs a position guarantee including the network position in response to the terminal position assurance request.
- the position on the communication network in this case, the base station 40, cannot be falsified by the terminal. Accordingly, by calculating the position of the base station 40 on the network together with the calculation of the position in the server 20, the position can be guaranteed with higher reliability, and there is an effect of preventing tampering.
- the position on the communication network is used for calculating the position, the required number of GPS signals for the calculation can be received, and in any case, the position can be guaranteed.
- the positioning terminal 10b obtains the time distributed from the quasi-zenith satellite 51 or the mobile phone base station 40 by a method such as wireless communication or broadcasting. Further, the positioning terminal 10b includes a time certification receiving unit 18 that receives these times shown in FIG.
- the positioning terminal 10b transmits to the server the GPS signal received in S41b, the time information received from the quasi-zenith satellite or the mobile phone base station 40 received by the time certification receiving unit, and a position assurance request.
- the server 20 Upon receiving the position assurance request from the terminal in S31, the server 20 decodes the transmitted signal, calculates the GPS signal strength and the time, and compares the time with the received time information. Then, the validity of the time is verified.
- the positioning terminal 10c includes a tamper-resistant part 31. That is, the GP of the positioning terminal 10c
- the S antenna 11, the receiving unit with AZD 12, the encrypting unit 14, and the ID storage unit 15 (time certification receiving unit 18 as necessary) are tamper-resistant so that they cannot be disassembled.
- the system configuration is the same as other system configurations.
- an incorrect signal is input using a device that generates the same output as that of a GPS antenna, such as a GPS simulator, to thereby prevent impersonation. Therefore, more reliable position assurance is possible.
- FIG. Figure 8 shows the hardware configuration.
- the signal is decoded using the signal storage unit 25 that records the decoded transmission data in association with the calculated position and time, and the information recorded in the signal storage unit 25.
- a signal removing unit 26 that removes unnecessary signals mixed in the data.
- the operation in this configuration includes an operation with a force less than or equal to that of the first embodiment.
- the signal removing unit 26 outputs the transmission data decoded by the decoding unit 23 of the server and the ID of the positioning terminal 10 extracted at the same time to the signal removing unit 26. Then, the signal removing unit 26 of the server removes the unnecessary signal mixed from the received transmission data, and outputs it to the position calculating unit 24 together with the terminal ID.
- mixed signals There are two types of mixed signals: one is unavoidable due to factors such as multipath, and the other is illegally mixed by a signal generator.
- the former multipath is removed by a generally known method.
- the latter is removed using the signal recorded in the signal storage unit 25. For example, the approximate position and time of the data for transmission are calculated, and a signal close to the position and time is extracted from the signal storage unit 25 and compared to determine whether the signal is correct. If it is determined that the signal is not correct, the signal is removed.
- the position calculation unit 24 of the server calculates the position and time from the received transmission data, and It is output to the certificate generation unit 22 together with the last ID. Further, the received transmission data, the calculated position, time, and the ID unique to the terminal are output to the signal storage unit 25, and the signal storage unit 25 records the received values in association with each other.
- FIG. 9 shows another system configuration according to the present embodiment. That is, the server 20e can receive 6 lb of the correction information provided by the correction information center 61. At this time, the correction information 61b may be provided by broadcasting means in addition to communication means.
- the hardware configuration is the configuration shown in FIG. 10, and includes a correction information receiving unit 27 that receives the correction information 61b.
- the server 20e Upon receiving the position assurance request from the terminal, the server 20e also calculates the position and time of the GPS signal transmitted from the corresponding positioning terminal. At this time, the correction information 61b obtained from the correction information center 61 is received by the correction information receiving unit 27, and the position information is also used to correct the position. This correction is performed by a generally known method.
- the system configuration and the hardware configuration are the same as those in the first embodiment.
- the force server 20f replaces the certificate generation unit 22 in the first embodiment with the time of reception, the calculated position, and its accuracy.
- the certificate generation unit 22B creates a certificate for the certificate.
- the position calculation unit 24 of the server calculates the position, its accuracy, and time from the received transmission data.
- GDOP Global Dilution Of Precision
- the assurable accuracy is calculated.
- you have made corrections, depending on the correction method used at that time Calculate the accuracy.
- the accuracy is calculated according to the use method.
- the certificate generation unit 22B of the server creates a certificate for the received position, its accuracy, time, and terminal ID.
- This certificate shall not be falsified, and its creation method shall use a generally known method.
- FIG. 11 shows a system configuration in the present embodiment
- FIG. 12 shows a hardware configuration of the positioning terminal 10 and the server 20g.
- the server 20g is provided with a GPS antenna 29 and a receiving unit 28 with an AZD that receives the signal and converts the signal into an analog-to-digital signal, and receives the GPS signal directly from the GPS satellite 50. It has a configuration.
- the GPS antenna 29 is fixedly installed, and its position is known in advance.
- the GPS antenna 29 and the receiving unit 28 with AZD need not be physically located at the same place as the server 20g, and may be plural. Further, as an element equivalent to the GPS antenna 29, an element for receiving signals of reference points scattered all over the country, for example, an electronic reference point.
- the operation according to this configuration adds an operation with a force less than or equal to the operation in the third embodiment.
- the server 20g receives the GPS signal from the GPS satellite 50 or the electronic reference point force, and stores it in the signal storage unit 25 after digital signal transmission. For example, when a plurality of GPS satellites also receive GPS signals, they are paired with satellite identification symbols, and the GPS signal positioning code and carrier are also paired and stored in association with the reception time.
- the signal removing unit 26 removes an illegal signal by using the signal stored in the signal storage unit 25 in S32b of FIG. Then, for example, in the operation of S34c in FIG. Then, the approximate time is calculated, and the signal received at that time is taken out from the signal storage unit 25 and compared to determine whether the signal of the positioning terminal is correct. If it is determined that the signal of the positioning terminal is not correct, the signal is removed.
- the server 20g calculates the approximate position from the transmission data and uses the transmission data closest to the position and corresponding to the signal received by the GPS antenna. . In this way, it is difficult to mix illegal signals with signals received at multiple points at the same time.
- the server eliminates the signal elimination unit, stores the signal in the signal storage unit 25 when performing the position calculation, and performs the approximate position calculation using a plurality of GPS-equivalent signals to obtain this position information.
- the position calculation may be performed using transmission data from the positioning terminal 10.
- FIG. 1 is a diagram showing a hardware configuration of a system according to Embodiment 1 of the present invention.
- FIG. 2 is a diagram showing a system configuration according to the first embodiment.
- FIG. 3 is a diagram showing a detailed configuration of elements in FIG. 1.
- FIG. 4 is a flowchart showing an operation of the system in the first embodiment and the like.
- FIG. 5 is a diagram showing a configuration of a system according to Embodiment 2 of the present invention.
- FIG. 6 is a diagram showing a hardware configuration of a system according to a second embodiment.
- FIG. 7 is a diagram showing a hardware configuration of another system according to the second embodiment.
- FIG. 8 is a diagram showing a hardware configuration of a system according to Embodiment 3 of the present invention.
- FIG. 9 is a diagram showing a configuration of another system according to the third embodiment.
- FIG. 10 is a diagram showing a hardware configuration of another system according to the third embodiment.
- FIG. 11 is a diagram showing a configuration of another system according to the fourth embodiment.
- FIG. 12 is a diagram showing a hardware configuration of another system according to the fourth embodiment.
- FIG. 13 is a diagram showing a configuration of a conventional general positioning terminal.
- 10, 10b, 10c positioning terminal 11 GPS antenna, 12 receiver with AZD, 14 encryption, 15 ID storage, 16 communication, 17 guarantee storage, 18 time certification receiver, 20, 20d, 20e server, 20g server, 21 communication unit, 22 certificate generation unit, 23 decryption unit, 24 position calculation unit, 25 signal storage unit, 26 signal removal unit, 27 correction information reception unit, 28 reception unit with A / D, 29 GPS antenna , 30 user terminal, 31 tamper-resistant part, 40 base station, 50, 50a, 50b GPS (positioning) satellite, 51 quasi-zenith satellite, 61 correction information center, 61b correction information, 71 processor, 72 memory, 73 ID Storage program, 74 nos, 111 positioning code, 112 carrier, S31 position guarantee request reception confirmation step, S32 positioning code, carrier decoding step, S33 position calculation step, S34 position guarantee generation step, S4 1 positioning code carrier Transmission, position assurance request transmission step, S42 Recognition step.
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- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2006512064A JPWO2005098468A1 (ja) | 2004-04-08 | 2005-04-04 | 位置保証サーバ、位置保証システム及び位置保証方法 |
US10/591,801 US20070200756A1 (en) | 2004-04-08 | 2005-04-04 | Position Guarantee Server, Position Guarantee System, And Position Guarantee Method |
EP05728837A EP1734379A4 (en) | 2004-04-08 | 2005-04-04 | POSITION GUARANTEE SERVER, POSITION GUARANTEE SYSTEM AND POSITION GUARANTEE METHOD |
AU2005231265A AU2005231265B2 (en) | 2004-04-08 | 2005-04-04 | Position guarantee server, position guarantee system, and position guarantee method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-114639 | 2004-04-08 | ||
JP2004114639 | 2004-04-08 |
Publications (1)
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WO2005098468A1 true WO2005098468A1 (ja) | 2005-10-20 |
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PCT/JP2005/006588 WO2005098468A1 (ja) | 2004-04-08 | 2005-04-04 | 位置保証サーバ、位置保証システム及び位置保証方法 |
Country Status (7)
Country | Link |
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US (1) | US20070200756A1 (ja) |
EP (1) | EP1734379A4 (ja) |
JP (1) | JPWO2005098468A1 (ja) |
KR (1) | KR20060135868A (ja) |
CN (1) | CN1930487A (ja) |
AU (1) | AU2005231265B2 (ja) |
WO (1) | WO2005098468A1 (ja) |
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FR3025611B1 (fr) * | 2014-09-05 | 2019-04-19 | Centre National D'etudes Spatiales | Procede d'authentification de signaux recus d'une constellation de satellites |
EP3581966A4 (en) | 2017-02-09 | 2021-04-21 | The University Of Tokyo | POSITION INFORMATION PROCESSING SYSTEM AND POSITION INFORMATION PROCESSING DEVICE |
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JP2011041038A (ja) * | 2009-08-12 | 2011-02-24 | Hitachi Information & Control Solutions Ltd | 秘匿された暗号コードを用いた位置情報認証方法および位置情報認証システム |
JP2014030171A (ja) * | 2012-06-27 | 2014-02-13 | Ricoh Co Ltd | 通信装置及び通信システム |
JP2016500953A (ja) * | 2012-10-16 | 2016-01-14 | ザ・ボーイング・カンパニーTheBoeing Company | 低および中地球軌道からの信号を利用する宇宙ベースの認証 |
WO2015076295A1 (ja) * | 2013-11-20 | 2015-05-28 | 測位衛星技術株式会社 | 情報管理システム、携帯通信端末、データバンク装置、サービス情報管理装置、認証装置、データの管理方法、携帯通信端末の制御方法、データベースの制御方法、サービス情報の管理方法、および、プログラム |
JP2015099558A (ja) * | 2013-11-20 | 2015-05-28 | 測位衛星技術株式会社 | 情報管理システム、携帯通信端末、データバンク装置、サービス情報管理装置、認証装置、データの管理方法、携帯通信端末の制御方法、データベースの制御方法、サービス情報の管理方法、および、プログラム |
US10313440B2 (en) | 2013-11-20 | 2019-06-04 | Gnss Technologies Inc. | Information management system, mobile communication terminal, data bank device, service information management device, authentication device, data management method, mobile communication terminal control method, database control method, service information management method, and program |
WO2015118817A1 (ja) * | 2014-02-06 | 2015-08-13 | 株式会社デンソー | 航法メッセージ認証システム、受信端末、及び認証処理装置 |
JP2015161588A (ja) * | 2014-02-27 | 2015-09-07 | 株式会社デンソー | 航法メッセージ受信装置及び簡易認証システム |
JP2015161590A (ja) * | 2014-02-27 | 2015-09-07 | 株式会社デンソー | 航法メッセージ受信装置 |
CN105022027A (zh) * | 2015-04-17 | 2015-11-04 | 北京嘀嘀无限科技发展有限公司 | 一种数据过滤方法及装置 |
EP4261120A1 (en) | 2022-03-23 | 2023-10-18 | Yamaha Hatsudoki Kabushiki Kaisha | Marine propulsion device information transmitting and receiving system and marine propulsion device information transmitting and receiving method |
Also Published As
Publication number | Publication date |
---|---|
EP1734379A1 (en) | 2006-12-20 |
CN1930487A (zh) | 2007-03-14 |
KR20060135868A (ko) | 2006-12-29 |
AU2005231265A1 (en) | 2005-10-20 |
AU2005231265B2 (en) | 2008-08-28 |
EP1734379A4 (en) | 2007-08-01 |
JPWO2005098468A1 (ja) | 2008-02-28 |
US20070200756A1 (en) | 2007-08-30 |
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