EP1917538A1 - Bereitstellung von informationen in satellitennavigationssystemen - Google Patents
Bereitstellung von informationen in satellitennavigationssystemenInfo
- Publication number
- EP1917538A1 EP1917538A1 EP06776732A EP06776732A EP1917538A1 EP 1917538 A1 EP1917538 A1 EP 1917538A1 EP 06776732 A EP06776732 A EP 06776732A EP 06776732 A EP06776732 A EP 06776732A EP 1917538 A1 EP1917538 A1 EP 1917538A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- navigation
- operating state
- information data
- information
- 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.)
- Withdrawn
Links
- 230000004913 activation Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 8
- 230000006854 communication Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 3
- 241001272996 Polyphylla fullo Species 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- G01S19/42—Determining position
-
- 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
- G01S19/13—Receivers
-
- 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
Definitions
- the present invention relates to satellite navigation systems, and more particularly to information transmission via satellite navigation systems.
- the invention particularly relates to a terminal for using satellite navigation services, comprising a first receiver device for receiving navigation messages broadcast by satellites and an output interface for outputting navigation information.
- Satellite navigation systems are increasingly being used to transmit navigation messages in the narrow sense of the word to terminals that are part of the satellite navigation system.
- private users such as private pilots, motorists, motorcyclists, cyclists, pedestrians, leisure captains, etc. are increasingly being served alongside commercial users such as airlines, shipping lines, etc.
- navigation information typically is received by the terminal.
- the terminal calculates the current position, speed, etc. from the navigation information of different satellites. This information is displayed more or less to the user.
- the output interface typically relays the corresponding navigation information to a monitor, which may be part of the terminal.
- This navigation information is often combined with, for example, information present in the terminal, such as map information, etc., thus providing the user with an appealing display.
- the navigation messages of the satellites must be repeated at relatively short intervals, for example in a 30-second cycle, in order to ensure sufficient accuracy and integrity.
- the available bandwidth radiated from the satellites is tuned to, so that the bandwidth is practically consumed by the radiated Nav / gat / ons / nformation.
- This object is achieved in a terminal for using satellite navigation services in that it has an activation unit which is designed such that it changes an operating state of the terminal in response to a command signal contained in a navigation message.
- the command signal may be a pure command signal, for example a signal which ensures that a message stored in the terminal is communicated to the user via the output interface.
- the command signal may alternatively or additionally include information data, for example a text message, wherein the terminal is designed such that upon receipt of a text message This is automatically transmitted via the output interface to the user.
- the information may be communicated to the user in full screen as an alternative to the navigation information.
- the information may be transmitted in parallel to the navigation information in a part of the screen, for example in the manner of an endlessly running treadmill.
- the terminal can either be designed so that it realizes only one of these display modes.
- specific command signals may either be broadcast together with the information data from the satellite or stored in the terminal specifying which display mode is to be used.
- the terminal may have a second receiver device for receiving information data.
- This second receiver device can be designed such that it is activated by command signals contained in the navigation message.
- This second receiver means may be arranged to receive messages from an information transmitter of, for example, a ground station or an information transmission terminal, for example, relaying these messages to the user. This transfer can take place, for example, via the output interface. There may also be a separate channel for the output of such information.
- the second receiver device may for example be coupled to the activation unit such that the second receiver device is activated by the received command signal and preferably also a frequency or a channel is selected for the second receiver device on which the corresponding information data is transmitted.
- the second receiving device may be an element of a communication device which is designed such that it can actively request information data from outside the terminal.
- the second receiver device may be the receiving part of a communication device that communicates with the Internet.
- This solution is preferred because it uses very low bandwidth for dis Bsfsh! ssi n n3! e manages Enough Bsfsh! ⁇ si ⁇ ! s to transmit 3! together with the Nsvi ⁇ s- tion messages that include an Internet address or are of such a web address, for example, may be already stored in the terminal, so that the communication device receives the contact with the Internet or the remote station upon receipt of a corresponding command signal, and transmits the information data to be transmitted via the second receiver device.
- the advantage of the second receiver device for receiving information data is that the bandwidth when transmitting via the second receiver device can be significantly higher than the bandwidth that can be made available by the satellite navigation system.
- Another application to the Internet contact for example, a communication device that is similar to the Internet address in the telephone network, z. As landline, mobile, mobile phone, dials and above the information data from outside the terminal query and can draw.
- the terminal may have a user input module and it may be favorable to design the activation device such that it only returns to normal operation after a change in the operating state of the terminal in response to a signal from the user input module. So you can realize a function in which the user must first acknowledge the change of the operating state, for example, the receipt of certain information data before he can use the terminal again in the usual way to use navigation services.
- the terminal may have a memory for storing command signals and / or information data transmitted with the navigation messages.
- the activation unit can be connected to a timer in such a way that certain non-highly relevant information data are only displayed for a certain time after the device has been switched on, so that the user is able to wait for the user Fm ⁇ rhait p n ⁇ (* ⁇ z unit only has the Mö ⁇ üchkeit to use dis NsvicsücnsdiGnstc and changing the operating state of the terminal after a certain time the command signal and the corresponding information is displayed.
- a timer can also be used to change the displayed information after a specified time.
- the activation unit can be designed such that it manages the storage of the information data or command signals in the memory.
- the terminal may be designed such that it automatically deactivates or deletes the information data or the command signals after a certain time.
- the activation unit can be designed such that it selectively selects specific user groups depending on the speed of the terminal determined by the terminal or responds only to specific command signals. For example, if a terminal is moving at a speed in excess of 300 _km / h for an extended period of time, it can be assumed that it is an aircraft-accordingly messages can be selected that are directed only at users in an aircraft are. On the other hand moves a terminal at a speed of around or below 7 km / h, it can be assumed that it is walkers, walkers, etc. Accordingly, only information that is of interest to this user group is selected for this user group. Like the speed, you can also use the item to select messages. Thus, in the case of a tsunami warning, information can be restricted to coastal areas. Likewise, one can selectively select such user groups at a position, for example, on a lake or on the sea, which should receive navigation-specific information or command signals.
- the invention further relates to a satellite navigation system comprising a plurality of satellites for broadcasting navigation messages, at least one inventive terminal and a ground station in contact with the satellites.
- the ground station may include a selector configured to select satellites currently serving a particular geographic region on the ground, and to cause the navigation message of at least a portion of those satellites to contain a command signal indicating the operational status of a satellite Can change the terminal in this region.
- the invention further relates to a method for changing an operating state of a terminal in a satellite navigation system, comprising the following
- Changing the operating state of the terminal in response to the command signal may also include applying a software update to the terminal.
- the software can be transmitted, for example, in many small portions with the navigation message. Alternatively, it can also be queried externally, for example via the second receiver device.
- Changing the operating state of the terminal in response to the command signal may also include disabling the terminal in the event that, for example, the End device obsolete: is and no longer meets the geforäerie ⁇ requirements, or in the event that the agreed useful life has expired.
- the method may further include the step of selecting one or more satellites based on the target group to be reached.
- the satellite can be selected on the one hand by the ground station, so that only the one or more satellites, which are currently operating the destination region, transmit the corresponding command signal.
- this can also take place in that the terminal takes into account and processes the command signals of only one or more satellites, for example of the satellite (s) that are currently highest above it. This selection can be done for example by means of the activation unit.
- the step of changing the operating state of the terminal may include the step of outputting information data to the user. This step may include ⁇ aj ⁇ Aj ⁇ gejDjenjtön_information_date ⁇ to the navigation data.
- the step of changing the operating state of the terminal may include the step of receiving information data in particular from an external information source and from an information source independent of the satellites of the satellite navigation system. This may, for example, be the step of actively retrieving the information data from an external information data source.
- the method may further comprise the step of resuming normal operation of the terminal after a change in the operating state of the terminal only when the user has acknowledged the change of the operating condition. The recipient thus confirms receipt of the information.
- the method may further comprise the step of checking the speed of the terminal and changing the operating condition depending on the speed of the terminal.
- the invention further relates to a navigation message radiated by a satellite of a navigation system, comprising, in addition to the pure navigation data, at least one command signal for changing the operating state of the terminal.
- a navigation message is page-by-page.
- a navigation message may have 30 pages, with pages 1 to 15 being used regularly for the actual navigation operation, for example. Then, for example, pages 16 and 17 may be used for the transmission of the command signal and the command signal, respectively, and the corresponding information data.
- the bandwidth for the transmission of information via the satellite of the satellite navigation system is relatively low.
- sub-pages 16-1, 16-2, ..., 16-n and 17-1, 17-2, ..., 17-n which are transmitted to each other in successive navigation messages.
- different satellites can broadcast the subpages 16-1, ..., 16-n and 17-1, ..., 17-n in a time-shifted manner so that, for example, with two satellites, the information is transmitted to the terminal in half the time arrives at three satellites in one-third of the time, etc.
- the individual command signal packets can be assembled in the final packet to form the complete command signal.
- the transfer of graphical content can take considerable time, for example, more than one hour per monitor page on the monitor of the terminal.
- the terminal may be configured to store an only partially transmitted command signal upon power down and attempt to complete the command signal upon re-powering up the terminal and, if necessary, to implement the complete command signal. It can also be designed in such a way that it tries to present partial contents. For example, instead of a graphical content indicates a keyword, such as "storm warning", even if the graphical content has not been completely transferred. It may be convenient to first transfer the keyword and then the graphic content. Then the keyword can be displayed in advance.
- Fig. 1 is a satellite navigation system according to the present invention.
- Fig. 1 shows a satellite navigation system 2 comprising a plurality of satellites 4 for broadcasting navigation messages and a terminal 6 and a ground station 8 which is in contact with the satellites 4.
- the satellites 4 continuously emit navigation messages as indicated by the arrows 10.
- the satellites 4 are not geostationary, but move on an inclined, medium earth orbit (MEO). Accordingly, a satellite serves a continuously changing region on the earth's surface.
- MEO medium earth orbit
- the ground station 8 controls, controls and synchronizes the operation of the satellites 4 and transmits corresponding signals to the satellites 4 as indicated by the arrows 12.
- the terminal 6 is designed for the use of satellite navigation services and has a first receiver device 14 for receiving navigation messages broadcast by the satellites 4.
- the terminal 6 further has an output interface 16 by means of which the navigation information is delivered to the user, as shown by the user navigation data 18.
- the user navigation data is forwarded to a navigation device for further processing and display on a monitor and / or acoustically.
- the navigation messages received by the first receiver device 14 are forwarded to an activation unit 20.
- the activation unit 20 is designed in such a way that it recognizes a command signal which may be contained in the navigation message and carries out or initiates corresponding actions and changes the operating state of the terminal 6 in accordance with this.
- 18 information data are output via the Aijsgabesammlung 16 7i, is expedi7lich 7ij the Niitzemavi- gations stylist.
- the terminal 6 has a second receiver device 22, which can receive information from an information transmitter 24.
- the information transmitter 24 may be, for example, a ground station or another satellite.
- a relatively large bandwidth is available between the information transmitter 24 and the second receiver device 22 as compared to the bandwidth between the satellite 4 and the first receiver device 14.
- the activation unit 20 is designed such that it activates the second receiver device 22 upon receipt of a corresponding command signal, which is part of a navigation message which is emitted by a satellite 4.
- the second receiver device 22 may be part of a bidirectional communication device that actively polls information data from an information item outside the user's device.
- the corresponding source of information may be the Internet, etc.
- the terminal 6 further comprises an input module 26 for the user, wherein the input of the user is represented by the arrow 28.
- the input module for the user can be configured and coupled to the activation unit in such a way that the terminal 6 resumes normal operation only when the user acknowledges via the input module 26 the changed operating state of the terminal 6, for example, receipt of information.
- the transmitted information can be of the most varied kind. For example, disaster warnings, severe weather warnings, traffic warnings, event notices, advertisements, stock quotes, etc. may be transmitted, which are output as information to the user. Alternatively, command signals and / or information may be communicated that does not display the user, but rather only be processed in the terminal 6, for example, the embarks ⁇ ieie ⁇ new software, etc.
- the terminal 6, via the activation unit 20, to first request data that is specific to the terminal, the user and / or the user's environment before corresponding command signals from the activation unit are actually displayed to display information Information, etc. lead.
- a very targeted recall can be performed by, for example, first vehicle type, vehicle year, vehicle number, mileage, etc. are queried before finally a callback message is output via the output interface 16 to the user.
- very specific information may also be transmitted to the users concerned, such as individual and selective traffic information.
- the transmitted command signals and / or information can have "expiration dates", so that they are deleted again from the memory at a certain date or after a certain time.
- the terminal 6 for the use of satellite navigation services is delimited with a dashed line.
- the terminal may also have other components, such as a memory, power supply, display device, etc.
- Some components, for example the second receiver device 22, can also be designed as separate accessories externally of the terminal 6.
- the individual components of the terminal 6 can be realized for example with microprocessors. It is not necessary that the individual components of the terminal 6 are each physically separate from each other. Rather, the components can be realized in one or more microprocessors.
- the terminal 6 may also be designed such that the information data is not output automatically from the activation unit to the output interface 16 and then to the user, but only when the user actively requests the corresponding information via the user input module 26. By entering a further command via the user input module 26, the navigation data can be output via the output interface 16. Instead of manually entering the second command via the input module 26, this second command can also be carried out automatically with a time delay.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Navigation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005039807A DE102005039807B4 (de) | 2005-08-22 | 2005-08-22 | Bereitstellung von Informationen in Satellitennavigationssystemen |
PCT/EP2006/007911 WO2007022869A1 (de) | 2005-08-22 | 2006-08-10 | Bereitstellung von informationen in satellitennavigationssystemen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1917538A1 true EP1917538A1 (de) | 2008-05-07 |
Family
ID=37307354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06776732A Withdrawn EP1917538A1 (de) | 2005-08-22 | 2006-08-10 | Bereitstellung von informationen in satellitennavigationssystemen |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090119002A1 (de) |
EP (1) | EP1917538A1 (de) |
DE (1) | DE102005039807B4 (de) |
WO (1) | WO2007022869A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983901A (zh) * | 2012-11-21 | 2013-03-20 | 江苏物联网研究发展中心 | 兼容gps、bd2和glonass系统的辅助同步方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2003468B1 (de) | 2007-06-13 | 2015-09-16 | Airbus DS GmbH | Verbreitung kritischer Atmosphereverhältnisse in globalen und regionalen Satellitennavigationssystemen |
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DE102008061319A1 (de) * | 2007-12-14 | 2009-06-18 | Astrium Gmbh | Verfahren zum Übertragen zusätzlicher Informationen mit Navigationsnachrichten in einem Satellitennavigationssystem |
US9766337B2 (en) * | 2011-02-28 | 2017-09-19 | The Boeing Company | Alternative communications for an air vehicle |
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- 2005-08-22 DE DE102005039807A patent/DE102005039807B4/de not_active Expired - Fee Related
-
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- 2006-08-10 US US12/064,442 patent/US20090119002A1/en not_active Abandoned
- 2006-08-10 EP EP06776732A patent/EP1917538A1/de not_active Withdrawn
- 2006-08-10 WO PCT/EP2006/007911 patent/WO2007022869A1/de active Application Filing
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983901A (zh) * | 2012-11-21 | 2013-03-20 | 江苏物联网研究发展中心 | 兼容gps、bd2和glonass系统的辅助同步方法 |
CN102983901B (zh) * | 2012-11-21 | 2014-11-26 | 江苏物联网研究发展中心 | 兼容gps、bd2和glonass系统的辅助同步方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102005039807A1 (de) | 2007-03-29 |
US20090119002A1 (en) | 2009-05-07 |
DE102005039807B4 (de) | 2013-08-01 |
WO2007022869A1 (de) | 2007-03-01 |
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