EP1415490A1 - Reconfiguration anticipee de terminaux telephoniques mobiles dotes d'emetteurs-recepteurs, a l'aide de donnees locales, de donnees d'itineraire et d'informations sur la couverture spatiale de reseaux radio mobiles - Google Patents

Reconfiguration anticipee de terminaux telephoniques mobiles dotes d'emetteurs-recepteurs, a l'aide de donnees locales, de donnees d'itineraire et d'informations sur la couverture spatiale de reseaux radio mobiles

Info

Publication number
EP1415490A1
EP1415490A1 EP02754442A EP02754442A EP1415490A1 EP 1415490 A1 EP1415490 A1 EP 1415490A1 EP 02754442 A EP02754442 A EP 02754442A EP 02754442 A EP02754442 A EP 02754442A EP 1415490 A1 EP1415490 A1 EP 1415490A1
Authority
EP
European Patent Office
Prior art keywords
mobile radio
radio terminal
information
reconfiguration
route
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Withdrawn
Application number
EP02754442A
Other languages
German (de)
English (en)
Inventor
Christoph Niedermeier
Reiner Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Solutions and Networks GmbH and Co KG
Original Assignee
Siemens AG
Nokia Siemens Networks GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG, Nokia Siemens Networks GmbH and Co KG filed Critical Siemens AG
Publication of EP1415490A1 publication Critical patent/EP1415490A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H04W8/245—Transfer of terminal data from a network towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/324—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the invention relates to a method for predictive reconfiguration of mobile radio terminals with configurable transceivers and a corresponding mobile radio terminal, in each case using location information, route data and information about the spatial catchment area of mobile radio networks.
  • the present invention relates above all to the field of “software-defined radio” (SDR).
  • SDR terminals have a radio transceiver that can be configured by software, which allows the use of a wide variety of wireless access technologies (so-called radio access technology, RAT)
  • RAT wireless access technology
  • UMTS Universal Mobile Telecommunication System
  • TDD Time Division Duplex
  • FDD Frequency Division Duplex
  • GSM Global System for mobile Communication
  • the form of communication used in an SDR can be changed (hereinafter this process is called reconfiguration).
  • the new configuring software can either already be present on the terminal or is transmitted via the radio connection, stored in the terminal and used as new configuring software in a second step.
  • the transfer and storage of the configuration software is referred to below as software download.
  • a wireless access technology RAT for transmission can additionally require the selection of further variables, the entirety of which defines a communication channel. Together with the configured RAT, this is referred to as 'mode' in the following description.
  • a possible method for avoiding an interruption or termination of the transmission is based on a periodic measurement of the quality of the radio connection. From the data obtained in this way and their temporal behavior, it is judged whether the SDR is on the edge of the catchment area of a mobile radio network. If this case has been determined, a new mode is selected according to certain criteria and, if necessary, a software download is carried out.
  • This procedure selects a new mode taking into account the current local conditions, but does not make it possible to choose the new mode in such a way that it is optimal for the further journey, i.e. taking into account expected future positions.
  • the software download and negotiations with the network infrastructure regarding quality of service cannot be carried out with foresight. Therefore, in the event of a fault in the communication connection (eg due to the occurrence of a wireless hole), it is also not possible to make predictions as to which configuration software is required after crossing the wireless hole, and this even before the old connection fails using a software download for the end device provide. The location of the re-establishment of the radio connection cannot be determined either.
  • the object of the present invention is therefore a way of avoiding an interruption or termination to create the transmission that allows a new mode to be selected in such a way that it is optimal taking into account expected future positions.
  • this object is achieved by a method for the reconfiguration of a mobile radio terminal with a configurable transceiver using a) location information and / or b) route information and / or c) information about the spatial catchment area and the
  • a location and an expected point in time are determined from which there is no longer a radio connection and from which a new radio connection can be established, whereby - if For the establishment of the new radio connection, suitable software sections and / or configuration data must be transmitted to the mobile radio terminal for its reconfiguration with regard to the communication channel to be changed and / or the access technology to be changed.
  • the present invention thus makes it possible to achieve the goal of an uninterrupted mode change by means of predictive reconfiguration, possibly combined with the downloading of configuration parameters or software (software download). If there are no usable modes for certain areas, firstly it can be determined from which location it is possible to re-establish the radio connection, and secondly appropriate preparations can be made. In addition, in both cases the choice of the new mode can be made in such a way that it is optimal with regard to the further travel route and any further reconfigurations that may be necessary at a later time.
  • Location information advantageously includes a) the current position and the current speed of movement of the mobile radio terminal.
  • the current position and the current movement speed of the mobile radio terminal are determined using an active or passive satellite-based positioning system such as the Global Positioning Systems (GPS).
  • GPS Global Positioning Systems
  • the current position and the current speed of movement of the mobile radio terminal can be determined using triangulation methods.
  • Route information advantageously includes b) expected future geographical locations of the mobile radio terminal and the expected time course.
  • Such route data are preferably determined using a route planning system, in particular using a navigation system of an automobile or another means of transport.
  • the server on request can be contacted via radio link and transmits current information c).
  • reconfiguration times are also minimized in that software sections and / or configuration data required, in particular frequently required, are kept on the mobile radio terminal.
  • the object of the invention is also achieved by a corresponding mobile radio terminal with a configurable transceiver, which uses a processing unit for at least temporary communication with
  • a location information system that delivers device-specific location information, and / or
  • - a route planning system that provides device-specific route information, and / or
  • a geographical information system which provides information about the spatial catchment area and the availability of mobile radio networks has such a mobile radio network, with this processing unit using at least part of the information mentioned above
  • Suitable communication channels and / or suitable access technologies can be determined in the course of the further expected route of the mobile radio terminal and
  • a determined communication channel and / or a determined access technology with the smallest changes of communication channel and / or access technology required in the further expected route of the mobile radio device can be selected and if necessary
  • Receiving suitable software sections and / or configuration data from a mobile radio network can be initiated and the mobile radio terminal can be reconfigured with regard to the communication channel to be changed and / or the access technology to be changed.
  • PDAs personal digital assistants
  • a geographic information system as described above is created, which are in at least temporary communication via at least one mobile radio network.
  • the method of the present invention is based on the use of information about the current position of the terminal, information about the travel route and information about the coverage of mobile radio networks. This enables the forward-looking implementation of software downloads and forward-looking negotiations about the quality of services. With the aid of the method presented, such actions can even be carried out with regard to mobile radio networks with which there is currently no radio connection.
  • the advantages of the process include in the following aspects:
  • the end device ends in a state in which the connection to the old mobile radio network no longer exists and the connection to a new mobile radio network cannot be established in the medium term, since this one Software download required. This situation arises if the connection to the old mobile radio network is broken off before or during a download of the reconfiguration software for the new mobile radio network.
  • the terminal can only reestablish a radio connection if it comes into the catchment area of a mobile radio network known to it.
  • Cellular networks for which configuration data and software are present on the terminal or are accessible via a bootstrapping mechanism are referred to here as known.
  • FIG. 1 shows a block diagram of a mobile radio terminal according to the invention
  • FIG. 2 shows a route of a mobile radio terminal through a geographical catchment area with overlapping modes
  • 3 shows a route of a mobile radio terminal through a geographical catchment area with several overlapping modes
  • FIG. 4 shows a route of a mobile radio terminal through a geographical catchment area with overlapping modes and with a non-overlapping area.
  • the position and speed of the terminal can be determined using
  • GPS Global Positioning System
  • a route planning system determines expected future geographical locations of the terminal, stating the expected time course.
  • a geographical description of the network availability is available via a server that can be addressed via the radio link, which transmits it to the terminal device on request.
  • a mode is selected which can be used in the course of the further route.
  • the location and the probable location are determined The point in time at which radio communication is no longer available, as well as the location and the expected point in time from which a new radio connection can be established. It is determined whether action 4 must be carried out to ensure that the radio connection can be resumed.
  • the method according to the invention described in the present exemplary embodiment can be carried out entirely on the SDR terminal, but can also be partially supported by external devices, for example servers in the network.
  • external devices for example servers in the network.
  • the technologies used to support the functionality of SDR devices have so far not been used for this purpose.
  • An SDR terminal is assumed for the following further exemplary embodiments.
  • This can refer to a cell phone, a private digital assistant (PDA), a notebook or another device that is equipped with SDR technology.
  • Devices such as e.g. can be installed in means of transport which operate on the basis of SDR technology and are intended to establish a connection to mobile radio networks for local data communication networks present in the means of transport. Examples include devices in automobiles, buses, trains, airplanes, ships, etc.
  • FIG. 1 shows a schematic block diagram of the present invention.
  • This shows an SDR terminal 1, which communicates with a location information system 4, a route planning system 5 and a geographic information system 6 via a mobile radio network.
  • the SDR terminal 1 is equipped with a processing unit 3 which decides on the actions described above and triggers them.
  • the processing unit 3 preferably fulfills these tasks by means of software-defined algorithms.
  • the location information system 4 supplies the current position and speed of the SDR terminal 1. This data is transmitted using a global positioning system (or other systems for location determination that will be used in the future are determined and / or determined by location determination methods which are based on the infrastructure of the mobile radio network to which the SDR terminal 1 has a connection
  • the route planning system 5 determines the geographical course of the further travel route from the available data of the travel destination and the route actually selected in the previous course. These can be supplemented by information on the expected course over time. Location information based on a) can also be provided by the route planning system.
  • the route planning system 5 will generally not be located in the terminal itself, but will be built into the respective means of transport (automobile, bus, plane, ship) and for the terminal via a short-range radio interface (e.g. Bluetooth) or other communication interfaces such as e.g. an infrared interface or a third-party interface (data bus) must be accessible.
  • a short-range radio interface e.g. Bluetooth
  • other communication interfaces such as e.g. an infrared interface or a third-party interface (data bus) must be accessible.
  • a system for providing information about the geographic catchment area of mobile radio networks (hereinafter referred to as geographic information system 6) provides information about the mobile radio networks available at this position and the extent of their catchment area depending on the geographic position. Information about the catchment area of mobile radio networks can also be integrated locally in means of transport, which make these services available to the SDR terminals in the means of transport.
  • the SDR terminal 1 is provided with a device for data exchange with the route planning system, the location information system and the geographic information system.
  • these systems can also be fully or partially be part of a terminal that realizes the present invention.
  • FIGS. 2 to 4 are given, in which catchment areas of mobile radio networks (modes) A, B, C, D, E are represented as circles or ellipses for the sake of simplicity, and the current location of the SDR Terminal is marked by a cross.
  • modes mobile radio networks
  • the SDR terminal moves on the route shown in FIG.
  • the geographical catchment area of the currently used mode A overlaps with mode B.
  • the catchment area of mode A will be left shortly on the current route. To maintain operation, it is necessary to switch to mode B within the transition area.
  • the SDR terminal 1 moves on the route shown in FIG. 3.
  • the geographic catchment area of the mode A currently used overlaps with mode B, mode C and mode D.
  • the further route points in the direction of another mode E, which, however, only overlaps with mode B.
  • Mode B is therefore the best option for the rest of the route, as modes C and D are only available for a short time on the selected route.
  • the SDR terminal 1 moves, for example, on a route as shown in FIG. 4.
  • the geographical catchment area of the currently used mode A does not overlap with mode B, but instead with modes C and D, which in turn overlap with mode B.
  • Mode B cannot be used without a software download.
  • the software download must therefore already be completed within the mode A catchment area.
  • the method of the present invention provides for this.
  • the route with the start and end point is known. Based on the route data, the necessary reconfigurations can be predicted and the necessary software downloads can be carried out at the starting point if the terminal device has sufficient storage space. If the trip is on the planned route, no further software download is required on the way, or it can be arranged early.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention vise à permettre de changer de mode sans interruption dans le domaine </= radio définie par logiciel >/= (SDR) de terminaux SDR par reconfiguration anticipée, dans des circonstances liées au téléchargement aval de paramètres de configuration ou de logiciel de configuration (téléchargement logiciel aval). Si pour certaines régions aucun mode utilisable n'est disponible, on peut d'abord déterminer à partir de quel lieu la réception renouvelée de la liaison radio est possible puis prendre les mesures correspondantes. En outre, dans les deux cas, le nouveau mode peut être choisi de telle façon qu'il soit optimal tant en termes d'itinéraire consécutif que d'éventuelles reconfigurations ultérieurement nécessaires.
EP02754442A 2001-08-09 2002-07-22 Reconfiguration anticipee de terminaux telephoniques mobiles dotes d'emetteurs-recepteurs, a l'aide de donnees locales, de donnees d'itineraire et d'informations sur la couverture spatiale de reseaux radio mobiles Withdrawn EP1415490A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10139145 2001-08-09
DE10139145 2001-08-09
DE10156752 2001-11-19
DE10156752 2001-11-19
PCT/DE2002/002741 WO2003017706A1 (fr) 2001-08-09 2002-07-22 Reconfiguration anticipee de terminaux telephoniques mobiles dotes d'emetteurs-recepteurs, a l'aide de donnees locales, de donnees d'itineraire et d'informations sur la couverture spatiale de reseaux radio mobiles

Publications (1)

Publication Number Publication Date
EP1415490A1 true EP1415490A1 (fr) 2004-05-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02754442A Withdrawn EP1415490A1 (fr) 2001-08-09 2002-07-22 Reconfiguration anticipee de terminaux telephoniques mobiles dotes d'emetteurs-recepteurs, a l'aide de donnees locales, de donnees d'itineraire et d'informations sur la couverture spatiale de reseaux radio mobiles

Country Status (2)

Country Link
EP (1) EP1415490A1 (fr)
WO (1) WO2003017706A1 (fr)

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DE102004036991A1 (de) 2004-07-30 2006-02-16 Siemens Ag Verfahren zum Konfigurieren eines Mobilterminals, konfigurierbares Mobilterminal bzw. Mobilfunknetz dafür
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Also Published As

Publication number Publication date
WO2003017706A1 (fr) 2003-02-27

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