WO2011073965A1 - Procédé de navigation utilisant des codes de localisation géographique - Google Patents

Procédé de navigation utilisant des codes de localisation géographique Download PDF

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Publication number
WO2011073965A1
WO2011073965A1 PCT/IE2010/000070 IE2010000070W WO2011073965A1 WO 2011073965 A1 WO2011073965 A1 WO 2011073965A1 IE 2010000070 W IE2010000070 W IE 2010000070W WO 2011073965 A1 WO2011073965 A1 WO 2011073965A1
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Prior art keywords
navigation
code
processor
destination
generated
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PCT/IE2010/000070
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English (en)
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Gary E. Delaney
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Loc8 Code Limited
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Publication of WO2011073965A1 publication Critical patent/WO2011073965A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management

Definitions

  • the invention relates to navigation, such as for logistics for efficient delivery of goods and services
  • the invention is directed towards providing a navigation method in which processors of devices and systems operate to achieve improved navigation for vehicles or pedestrians.
  • a navigation method performed by a processor and a portable navigation device, the method comprising the steps of: the processor generating a position oriented navigation code for a geographic destination according to its geographic co-ordinates, the code having a series of characters determined according to criteria and said code being predictable, the processor transmitting the navigation code to the portable navigation device and/or to a user via a human interface, the portable navigation device receiving the navigation code either directly from the processor or from the user, automatically testing the navigation code upon receiving it, in which said testing comprises applying rules to each of a plurality of character positions of the navigation code, the navigation device converting the navigation code to a machine-level geographic code, and the navigation device generating from said geographic code navigation outputs navigation to said destination.
  • the navigation code is also inputted to a user device, and the user device automatically tests the navigation code upon receiving.
  • the testing comprises generating a binary word from the character pattern, and validating the binary word.
  • the processor includes checker code characters in the navigation code for use in testing.
  • the portable navigation device automatically communicates with a destination device at the destination when it is in the proximity of the destination.
  • a wireless local communication protocol is used for hand-shaking and local communication at the destination.
  • the destination device is a smart meter.
  • the destination device generates a user output such as an audio or a visual output to indicate presence of the portable navigation device.
  • the navigation device is adapted to employ a fluxgate compass and tilt sensor to detect the orientation of the device in addition to its position and to generate a display of a property image from a database to confirm orientation towards to the correct destination.
  • said communication comprises transmitting a message to the destination device to indicate that the navigation device is in proximity.
  • the processor generates the code with a resolution sufficiently high so that the navigation code can be used to define different entrances or different locations around a single property.
  • the resolution is better than +/- 20m, and preferably better than +/-5m.
  • the step of generating the navigation code comprises:
  • initial characters of the grid references for the destination are used in the navigation code.
  • some grid reference characters are excluded according to rules as checker code or exemption rules can not resolve confusion with other characters.
  • said characters are I, O, U, and H.
  • the method comprises reducing some characters of the grid reference to Easting and Northing data.
  • At least some characters of said data are modified.
  • At least some characters of said data are divided and rounded.
  • At least some characters of said data are converted to symbols such as Base 27-31 symbols.
  • the symbols are determined from look-up tables.
  • the processor receives as an input geo-coordinates of the destination when generating the navigation code.
  • the processor receives as an input a map reference for the location when generating the navigation code.
  • the processor which generates the navigation code is a processor of a navigation server accessed via a wide area network.
  • the processor automatically populates certain character positions in the navigation codes with numbers only.
  • an initial character string of the navigation code represents in a human- readable format a geographical region.
  • characters of the navigation code are associated with each other so that groups of characters represent areas in a pattern which is discernable to users and can be memorised in a manner akin to conventional post codes.
  • the processor generates the code with an associated quality rating, and wherein the processor makes the quality rating available to external devices by network access so that said accessing device can determine the extent to which the code can be relied upon for navigation.
  • the processor generates the quality rating with any or all of the following levels:
  • the processor generates the code for a destination which is a temporary feature without a permanent man-made building.
  • the processor determines access key data describing how the destination may be accessed, and links said access key data with the navigation code.
  • the processor determines said access key data by automatically prompting the user for said data while the navigation code is being generated, and wherein the processor subsequently automatically checks for updates.
  • the processor when generating the navigation code, determines automatically according to a map if the code is for a property; and wherein the processor uses this information to detect if the destination is fraudulent or erroneous.
  • the processor interrogates coordinates of a point clicked on a map and examines if it is within the bounds of a polygon which is defmed as a property visible on the map and defined in a supporting map database, and if so the processor determines that the code is being generated for a genuine and pre-identified property, and if not the processor prompts the user to indicate if the code is for a property.
  • the invention provides a navigation device adapted to process a navigation code generated in a method as defmed above in any embodiment to provide navigation position data.
  • the invention provides a computer program product comprising software code for implementing a method as defined above in any embodiment when executing on a digital processor.
  • the invention provides a processor adapted to perform the processor operations' of a method as defined above in any embodiment.
  • the invention also provides an internet server comprising a processor as defined above. Detailed Description of the Invention
  • Fig. 1 is a flow diagram for navigation according to the invention
  • Fig. 2 shows a vehicle's and a personal device communication for navigation
  • Fig. 3 is a flow diagram for a method of automated generation of position oriented navigation ("PON") codes
  • Fig. 4 shows 90/85km letter codes used in the method, which would be adjusted as required for other territories;
  • Figs. 5, 6 and 7 are tables showing allocation of symbols to values in the method
  • Fig. 8 is a table showing validation codes used to help validate a navigation code.
  • Fig. 9 is a table of area codes.
  • a navigation method 100 comprises steps 110 to 118, at a high level.
  • a user accesses a navigation server and inputs an indication of position of his premises or other location down to the level of the access point. If there are multiple access points the additional ones can be added as part of "intelligent access key” information associated with the navigation code which will be developed. Alternatively, or in addition, an additional navigation code can be generated for an additional access point.
  • the navigation server automatically generates a position oriented navigation ("PON") code for each location, and this processing is expanded upon in Fig. 2. In Fig. 2 the navigation code is referred to as a "Loc8" code.
  • An advantageous aspect is that the navigation server generates and downloads to the user device an intelligent access key. This is a description of how to access the location of the navigation code.
  • the intelligent access key is generated by the server prompting the user for information as the navigation code is being generated in step 110. Subsequently, it automatically prompts the user at regular intervals to check if there are any updates, and hence the access keys remain up to date.
  • step 111 the navigation code is stored and it is downloaded to the user.
  • the navigation code is automatically tested, as described in more detail below.
  • An advantageous aspect of the invention is that the generated navigation code is automatically tested on every occasion at which it is received by a device or system. This helps to ensure integrity of the navigation system, allowing a wide range of devices or systems to handle the navigation codes. After validation, a quality indicator is also generated.
  • the user transmits the navigation code to a delivery company server as part of ordering a delivery.
  • the navigation code could alternatively be manually communicated by speech as it is user-friendly, akin to a conventional post code.
  • the delivery server transmits the code to a delivery van in step 114, the navigation device of which also automatically validates the navigation code.
  • the navigation device converts the code to a lat/long geographical code, and uses this format in step 116 to guide the driver.
  • steps 117 and 118 when the driver arrives at the destination property the van's navigation device communicates wirelessly with the user's device in the destination property and transmits a message to it to automatically announce arrival of the delivery. Of course, other messages could be communicated.
  • This navigation method allows:
  • navigation codes for properties which may be provided in the future.
  • the code would be used to navigate to the box but also to act as part of a necessary code to unlock the box to deliver or receive goods. For example, a person may order online using their navigation code, upon which the code and order reference is sent to the user.
  • the navigation device knows the navigation code and the order reference and the combination with handshaking between the navigation device and the user device unlocks it.
  • the user at a location gets their navigation code for their property and enters the code into a user device for a wireless or RFID broadcast with a house number.
  • the user device may be a PC or a dedicated user terminal, or a mobile phone, or a personal mobile device.
  • the user at the property orders a service and confirms that that service is awaited for delivery by means of a service code entered to his user device.
  • the user device generates a wireless or RFID broadcast by a narrow horizontal beam width directional antenna fixed to a window facing the main approach road.
  • the service supplier for example, courier, post, home goods delivery, food, home repair, taxi, emergency services enters the destination navigation code into their satellite navigation device ("SatNav", and which could be any GPS-enabled device such as a mobile phone) with a service code associated with delivery and house number - matching that entered by the user - both encrypted
  • SatNav satellite navigation device
  • the SatNav has a wireless/RFID capability (or equivalent)
  • the service provider navigates to within 20 metres approximately of the destination using the navigation code on the SatNav.
  • the SatNav allows navigation to the wireless/RFID Antenna with matched navigation and service codes using direction-finding and homing techniques augmented by SNR and phase homing techniques.
  • a combination of wireless/RFID and visual and audible clues including those related to virtual reality street view imagery using fluxgate compasses and motion sensors are used to positively identify and indicate for navigation the exact final destination or delivery point,
  • the wireless/RFID device is replaced by a transmitter/receiver which is located in a "smart meter" external to the property but which is connected to an internal device such as a PC inside the property and also supports communications with a mobile phone or similar personal device.
  • the navigation server maintains a database of location data; not only very specific points of access but also routing that can vary according to the mode of transport or a variety of factors such as time of day and type of transaction. This allows more convenient user access and processing of geographic data. It is effectively a signage facility to indicate routing and arrival to both the transporter and the destination client.
  • the database may be added to existing navigation devices including GPS-enabled handset phones as well as provided from a central database in realtime using "connected" internet technologies.
  • the user device will allow location and communication at final destination. A device that can speed this delivery and pickup will prove valuable. A more automated approach to the final part of a delivery journey will find favour with such companies.
  • the hardware solution has potential in other areas such as taxi, home food delivery, emergency response services or other road users.
  • a driver of an articulated truck delivering after working hours can encounter a destination in which he must approach using one route and enter by a different entrance.
  • This problem is solved by means of intelligent geographic and technology-based information included in the intelligent access keys. It is estimated that this approach can save about 30 mins for a large vehicle.
  • the invention achieves a digital address code to allow users find locations efficiently - saving time and fuel. It also provides local access information which can be very beneficial close to the destination location.
  • the navigation server automatically builds up a database with detailed points of interest and routing data to get to the points of interest for a variety of modes of transport and purpose; for example container lorries, cars, pedestrians, disabled access for normal access, delivery, out of hours, emergency access, alternative accesses if other routes closed.
  • the database is flexible to allow additional capability to be added later - relational links to allow coping with multiple site clients, for example.
  • the navigation server provides a mechanism to allow access to this database on the target vehicles, client premises, and central controllers.
  • Figs. 3 to 7 the steps 110 and 111 executed by the navigation server for generating a navigation code is illustrated. These are based on geo-coordinates, so that they have geo-spatial meaning rather than being notional or arbitrary in nature.
  • navigation code data for private properties is searchable if allowed by the owner, otherwise the data will be made available to parties such as emergency services only.
  • This navigation code system for the island of Ireland is directly mathematically related to the Irish Transverse Mercator Grid System (ITM), with parameters as published by OSI and OSNI, which is the official Grid system for both the Republic Of Ireland and Northern Ireland and, therefore, can be used in both sides of the island.
  • ITM Irish Transverse Mercator Grid System
  • the process is designed so that navigation to individual properties or features is possible with SatNav and other GPS enabled devices , unlike prior Post Code systems which only support navigation to broad areas and then only with the support of a street look-up database.
  • the position fidelity of the navigation code with respect to the ITM grid is estimated to be on average in the order of +/- 5 metres and its overall resolution capability is on average +/- 11.5 metre accuracy. More generally, the resolution should be within +/- 20m. 90/85 Km Grid Square Area Codes
  • the first letter of the navigation code is determined by reference to a 90/85 Km area codes superimposed on the Irish Transverse Mercator Grid as shown in the framed areas with letter codes in Fig. 4. Whilst letter coding can be applied to the full extent of the ITM grid, and this may be used in the future, this will initially only be implemented for Grid squares covering the landmass of Ireland. To allow for geography and demographics and to improve the resolution of the navigation code, the square areas are varied in dimensions and in this case are 90 km square on the west coast and 85 km square on the east coast where there is a more dense population.
  • the first 3 numbers of a six digit ITM Easting and Northing will determine the first letter of the Navigation code, e.g. take the ITM grid reference 579739.4E, 560998.5N.
  • the navigation server processor always adds 0.00001 to the Northing so that positions on a dividing line always fall into the square to the north. Eastings on the dividing line will always be taken to be in the square area to the East. From Fig. 4 and Fig. 5, this grid reference yields the letter "W" as the first letter of the navigation code.
  • the navigation, server processor is programmed to then take the full Easting and Northing with up to three decimal places if calculated to this accuracy. From the example above the processor now has the following:
  • the processor establishes how many metres each is into the identified square area - i.e. from west edge of the area in the case of the Easting and from south edge in the case of the northing.
  • the west edge is 510000 and with an Easting in this example of 579739 then 69739 is the number of meters into the square from the West.
  • the south edge is 506000, so with a Northing in this case of 560999 the number of metres into the square from the South is 54999.
  • the processor then takes each of the Easting and Northing separately and makes further calculations based on the separate character in Figs. 5 and 6 and considering the rules for exceptions contained in them.
  • Fig. 6 it shows that for Eastings it is Base 27 with no rules for exceptions.
  • Base 27 indicates that the rounded up Easting value is divided by 12.34567901 if the Square Area is 90km or 11.65980796 is the Square Area is 85km.
  • the Navigation code has 8 characters divided by 2 dashes as follows: 123-45-678
  • the processor processes the first 2 characters for the second Easting in position 6 of the code (the characters W8?-8?-4?? in this case) against the exceptions rules for the Northings as per the Northing Character Table as shown in Fig. 7.
  • both A and E are used in the Northing character set.
  • the processor assesses the Base number to be used. In this case it is 31. As the Base is 31 then the value by which the 5 digit Northing is to be divided by is:
  • the divider for the number of metres into the square from the south edge as calculated above is 9.36524454, and the resulting value is 5872.67. Discarding the decimal places, the resulting value is 5872.
  • Each Checker Code identifies whether each character in positions 2, 3, 6 & 7 of the code are letters or numbers.
  • the Checker Code also indicates the total number of Letters (and by deduction numbers) that are in any navigation code, (excluding the Checker Code itself).
  • the binary code reflected by the Checker Code indicates a 1 for those characters in positions 2, 3, 6 & 7 that are letters and a 0 for those that are numbers. This binary code is converted to Base 16 using the Checker Code characters as shown in Fig. 8.
  • Zone (I s 3 characters) element of the navigation code will be used to indicate general areas and can be used on a "SatNav" device as a quick destination to get on the road quickly in the right direction and to assist in quickly selecting the correct resources to respond to a service requirement
  • the Locality element of the code achieved by dropping the point unit values between the dashes, can be used in social networking so as not to define the user's exact location.
  • the 8, 6 and 3 character versions of the navigation code are preferably supported in software and "SatNav" devices for various purposes. Whilst entering a navigation code on software or on a “SatNav", the user can be asked to enter the last (8 th ) character (Checker Code) first, and then prompted with only letter or number keyboards to suit each position and error corrections prompted based on the information afforded by it. Where possible, as well as using the Checker Code, when a full navigation code is entered on a user device which contains map data, they should return the nearest Town/Townland/Area details to help identify if a gross error in entering the code has been made.
  • the navigation code is predictable, unambiguous, and can be validated for the following reasons: - It is always alphanumeric - with a minimum of two letters and two numbers in every navigation code including the Checker Code
  • the Checker Code indicates where the letters and numbers are in the code.
  • the navigation code is not meant to replace normal addresses or to cause them to be changed. Instead, it is to be used in addition to a normal address so that the address can be used as a gross error check in software and visually for the user.
  • the navigation codes are generated by a Web-based service on the navigation server there is high resolution mapping showing individual properties. In most cases a unique code for every property will be generated but in some minority cases adjacent properties may have the same code but in these cases the property name or number will be used to separate them.
  • various techniques may be used to generate a unique navigation code for very close buildings including calculating the code for any point within the land boundary of the property but not closer to a road which does not give access and normally along a Polyline through the property at right angles to the normal approach road.
  • a full address printed or written on a package t be delivered to the first navigation code calculated above may read as follows (but not normally):
  • GPS House is the property name or number;- to be used as a visual identifier
  • C indicates the navigation code is in Cork City or County, for tone example.
  • the examples here are for use of a navigation code on the island of Ireland. These can be localised for use in any territory with the grid system adjusted to UTM or local and the Square Area Codes being adjusted to reflect local conditions and the size of the territory.
  • Coding and mathematical calculations related to the navigation code calculation are included below, including the rules for calculating ITM coordinates from a navigation code. A fully worked example is also given below.
  • nOffset Math.floor((956000 - northing) / AreaKm); // row number from the top
  • AreaN 866000 - nOffset * AreaKm; // Northing of the South edge of the Area
  • AreaE 420000 + eOffset * AreaKm; // Easting of the West edge of the Area
  • e M ath. floor((easting- AreaE)/EDivisor) ;
  • NDivisor AreaKm/( 10.0 *NChars . length*NChars .length) ;
  • n Math. floor((northing- AreaN)/NDi visor) ;
  • n3 n%10
  • nl2 getBasecode(n/10,NChars); // see below
  • nl nl2.substr(0,l); // 1st value
  • n2 nl2.substr(l,l); // 2nd value
  • checker getChecksum(el2,nl2)
  • PONCode Zone+"-"+e3+n3+"-"+e2+n2+checker
  • nOffset Math.floor((956000 - 4 row number from the top
  • AreaN 866000 - nOffset * AreaKm 506000 Northing of the South edge of the Area
  • e Math.floor((easting- 5648 number of units from the West edge of the
  • e3 e%10 separate out e3 using modulus 10
  • e12 getBasecode(e/10,”ZYXWVTSR using base 27 compute e1 and e2 from the
  • v3 24 determine the low order base value v2 20 compute the high order base value e1 8 1 st value
  • NDivisor AreaKm/(10.0 * NChars.leng 9.365244537 the minimum unit accuracy for Northing in this th*NChars.length) area
  • n Math.floor((northing- 5872 number of units from the South edge to our
  • n3 n%10 2 separate out n3 using modulus 10
  • n12 getBasecode(n/10.NChars)
  • checker getChecksum(e1 +e2, finally compute a checker value
  • n1 is a letter
  • Navigation code W8L-82-4YK It will be appreciated that the invention allows vehicle route optimisation and load optimisation to minimise fuel and time costs in places where addresses are not detailed enough or where post codes define areas which are too broad.
  • the system uses high resolution Web mapping (OSI and OSNI for the island of Ireland) on a dedicated Web service it allows those creating a code to see and identify individual properties, property boundaries and related features and edit them if changes have occurred or are required. For example, a new navigation code and set of intelligent access key information can be generated for a new entrance for service vehicles created on an industrial site, or for a Safety RV point created on a construction site, or an RV point for emergency vehicles depending on site and weather conditions - in major emergency plans. Also, the system allows coding of non-permanent properties such as events, RV points, and temporary water distribution points. The invention is not limited to the embodiments described but may be varied in construction and detail.

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Abstract

Un utilisateur accède (110) à un serveur de navigation, et entre une indication de position de son point d'arrivée ou d'une autre localisation jusqu'au niveau du point d'accès. Le code de navigation est stocké (111) et téléchargé pour l'utilisateur. Lorsque l'utilisateur le charge sur son système ou dispositif client, le code de navigation est automatiquement testé (113). Le code de navigation généré est prévisible et est automatiquement testé lors de chaque réception par un dispositif ou un système. Ceci favorise l'intégrité du système de navigation, permettant à une large gamme de dispositifs ou systèmes d'utiliser les codes de navigation. Après validation, un indicateur de qualité est également généré. Le dispositif de navigation convertit (115) le code de navigation en un code géographique au niveau machine en vue d'une utilisation dans la génération d'instructions de navigation embarquée (116) pour le conducteur. A destination, la navigation réalise l'établissement d'une liaison avec un dispositif de destination (117), et établit une communication pour valider une cession.
PCT/IE2010/000070 2009-12-16 2010-12-16 Procédé de navigation utilisant des codes de localisation géographique WO2011073965A1 (fr)

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CN117278986A (zh) * 2023-11-23 2023-12-22 浙江小遛信息科技有限公司 共享出行的数据处理方法和数据处理设备
CN117278986B (zh) * 2023-11-23 2024-03-15 浙江小遛信息科技有限公司 共享出行的数据处理方法和数据处理设备

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