[go: up one dir, main page]

WO2006012883A1 - Procede de transfert de donnees entre un serveur d'un reseau hybride et un dispositif recepteur du reseau hybride (selection dynamique d'emetteur) - Google Patents

Procede de transfert de donnees entre un serveur d'un reseau hybride et un dispositif recepteur du reseau hybride (selection dynamique d'emetteur) Download PDF

Info

Publication number
WO2006012883A1
WO2006012883A1 PCT/DE2005/001370 DE2005001370W WO2006012883A1 WO 2006012883 A1 WO2006012883 A1 WO 2006012883A1 DE 2005001370 W DE2005001370 W DE 2005001370W WO 2006012883 A1 WO2006012883 A1 WO 2006012883A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiving device
user
server
transmission
data
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.)
Ceased
Application number
PCT/DE2005/001370
Other languages
German (de)
English (en)
Inventor
Sigram Schindler
Jan Hesse
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.)
Teles AG Informationstechnologien
Original Assignee
Teles AG Informationstechnologien
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 Teles AG Informationstechnologien filed Critical Teles AG Informationstechnologien
Publication of WO2006012883A1 publication Critical patent/WO2006012883A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the invention relates to a method for data transmission between a server in or on a hybrid network and a receiving device of the hybrid network.
  • a so-called local roaming is known. It is used to support user mobility and to make better use of the network system's transmission bandwidth.
  • location update the regular localization of a mobile terminal
  • handover of the assignment of a mobile terminal from one cell to an adjacent one Cell it is sufficient to send the desired data to be sent only in the relevant cells.
  • Data in the receiving areas are needed at all.
  • DVB-T or satellite systems as
  • Radio systems always sent the data to be transmitted simultaneously from a plurality of transmitters, in the example of multiple transmit antennas or transponders.
  • the present invention has for its object to provide a method by which a better utilization of the data transmission capacities of a hybrid network is made possible, in particular a digital radio system.
  • the hybrid network consists of at least two different network systems, which may include both satellite systems and terrestrial systems. This means that stations that send data to your coverage area can have at least two different network systems, such as a DVB-T system and a satellite transponder system. Each of the different network systems has at least one user area at which a user can receive data with a receiving device.
  • the hybrid network could include a WLAN network and a GSM network.
  • a receiving device of the hybrid network is determined or identified, with which a user desires a data transmission between the server and the receiving device. This is initially merely an identification of the receiving device, which can be done, for example, by a user requesting specific data from a receiving device and thereby transmitting an identification code of its receiving device to the server (for example, an IP address).
  • the server identifies accessibility variants of the hybrid network with which the desired data transmission with the receiving device can be realized.
  • a multiplicity of possible accessibility variants can often exist due to overlaps of various regional reception areas.
  • a quality sequence is sent by the server to the receiving device. Thereafter, one of the receiving quality sequence is assigned in the receiving device
  • the server can be designed both as an application server, via which several terminals of a terminal system can be controlled, or as a gateway server in a transit system between different networks.
  • Decisive in the method according to the invention is the checking of a reachability variant of a receiver of the
  • the quality sequence can be used to check the signal strength, the required signal bandwidth, the desired signal duration, the maximum guaranteed bandwidth, the bit error rate, a delay and / or other characteristics of the signal transmission from a transmitting device to the receiving device.
  • the method according to the invention therefore checks the quality of a reachability variant in the hybrid network for realizing a desired data transmission with the receiving device and sends it to the server.
  • the method according to the invention has the advantage of being able to assess the quality of a reachability variant in a hybrid network.
  • the server can then decide whether or not the data transmission with the transmission element which is assigned to the special accessibility variant is sufficient for data transmission. Then the other transmitting elements would no longer need to transmit meaningless data into various regional broadcasting areas in which they are not needed the data.
  • Another great advantage of the method according to the invention is that different network systems can be combined with each other. Both bidirectional network systems and several unidirectional network systems as well as uni- and bidirectional network systems can be combined.
  • all reachability variants of a hybrid network can be checked for their quality, and the reachability variant that has the best quality can be used for the actual data transmission.
  • the various possible Reachability variants in turn only checked until a sufficient quality of a reachability variant has been determined, which is then used by the server for subsequent data transmission.
  • information about the position of the receiving device is determined by the server at the same time in the identification of the receiving device.
  • These can be either relatively exact position information such as GPS coordinates, or the information that the receiving device is located in the transmission range of a particular transmitting antenna.
  • At least one of the at least two hybrid network systems is at least one of the at least two hybrid network systems as a unidirectional digital
  • Radio system formed. Especially with unidirectional radio systems was previously a local roaming, so switching between different accessibility variants or user areas not possible.
  • the sending of the quality feedback to the server by the receiving device then takes place in a different network system of the hybrid network than in the unidirectional network system over which the quality sequence is sent.
  • one of the unidirectional digital radio systems is designed as a DVB-T system (DVB: Digital Video Broadcasting) with a multiplicity of transmitting devices, wherein geographically defined, at least partially spatially different user areas are covered by the respective associated transmitting devices.
  • a reachability variant of a user area is then the data transfer to the Receiving device by the respective user area associated transmitting device to make.
  • the user areas may partially overlap so that a receiving device located in an overlapping area of two user areas can be reached by two or more transmitting devices which are respectively assigned to different user areas.
  • a network system of the hybrid network is a satellite-based unidirectional
  • digital radio system is formed and has a geographically defined transmission range.
  • Transmission area has at least partially spatially different user areas, which are covered by different transmission facilities of the satellite.
  • the "footprint" of the satellite is therefore in several
  • spots Areas of broadcasting (also called “spots”), which may partially overlap each other
  • Transponder of the satellite associated with a data transmission from the satellite to receiving equipment in the
  • At least one network system of the hybrid network is designed as a cellular network.
  • the data transmission into a cell of the network by means of a transmitter associated with the cell then represents a reachability variant.
  • position data are determined which represent a current location of the receiving device.
  • a user area of a unidirectional digital radio system for data transmission is determined in which the location of the receiving device is located. Subsequently, at least one preferred user area and its associated transmitting device based on
  • Data requested by the user are then sent exclusively via a subset of all transmitting devices of the unidirectional digital radio system, the subset of all transmitting devices at least the associated transmitting device of the preferred user area urnzujant.
  • the other transmitting devices can be used for data transmission of other data to other users, since they are not required for data transmission to the above-mentioned users.
  • the quality sequences of a reachability variant are sent together with an identifier of the transmitter associated with the reachability variant.
  • the identifier of the transmitter can either consist of an ID number, ie be transmitted explicitly, or implicitly emerge from the way the signal transmission or their physical properties.
  • the signal field strength may vary in a specific manner or vary the polarization of the signal in a specific manner associated with a particular transmitter. This frees up transmission capacities that can be used for data transmission.
  • This method can be accelerated by sending data desired to the receiver device of the user via the transmission facilities of a unidirectional digital radio system up to the method step of determining the reachability variants, together with the quality sequence.
  • a response regarding the location of the receiving device is requested.
  • the quality sequence contains an identifier of the transmitters of the hybrid network over which the quality sequence was sent.
  • the quality feedback contains the information about which transmitter the receiving device has received the quality sequence, whereby the reachability variant only as possible Reachability variant for the receiving device is identified and can be selected by the server.
  • a data transmission to a receiving device at least one other user whose receiving device is arranged in an overlap region of the or the preferred user areas with adjacent user areas of the unidirectional digital radio system and / or another digital unidirectional or bidirectional radio system can transmit the data transmission by roaming processes to the transmitting devices of the neighboring user areas.
  • the preferred user areas which have already been selected as reachability variant with good quality, freed from a transmission load, and therefore have a wider bandwidth for data transmission to the
  • Receiving device of the user available.
  • the hybrid network includes a cellular digital radio system in addition to a unidirectional digital radio system. During the transmission of the desired data, a roaming process is carried out between the two radio systems.
  • the utilization of the various transmission devices of the different radio systems can also be matched or shifted to temporarily (cost) cheaper data transmission paths out.
  • Two accessibility variants can either differ from each other by giving them a different one Sender or different physical signal properties or both are assigned.
  • different physical signal properties are understood to mean signal properties which can bring about a different transmission quality between transmitter and receiver, such as a different polarization of the signal or another transmission frequency.
  • Figure 1 is a schematic representation of a unidirectional terrestrial radio system with three transmitting antennas.
  • Fig. 2 is a unidirectional digital satellite radio system with in single
  • Fig. 3 is a hybrid network consisting of a respective terrestrial and a satellite-controlled unidirectional digital radio system in a schematic representation.
  • Fig. 1 shows a schematic representation of a unidirectional digital radio system, which is controlled by the server S.
  • the server S is electrical with three
  • Transmit antennas Al, A2 and A3 are connected, for example, which are positioned relative to each other so that they are arranged approximately in the corners of an imaginary, not shown equilateral triangle.
  • Each of the transmission antennas Al, A2 and A3 can transmit data by radio in a user area N1, N2, N3 marked with a circle Transmit reception facilities.
  • the range of the respective transmitting antenna is represented in each case by a circle, in the center of which the transmitting antenna is arranged.
  • Each of the transmission antennas A1, A2 or A3 can therefore transmit data within the associated user area N1, N2 or N3.
  • the user areas N1, N2 and N3 are designed such that each receiving device located within the equilateral triangle, which is formed by the transmitting antennas A1, A2 and A3, is within the range of at least one transmitting antenna A1, A2 or A3. This avoids that, for example, within a metropolitan area, a "radio hole" is formed.
  • the user areas Nl, N2 and / or N3 overlap to overlap areas Ü12, Ü23, Ü13.
  • a receiving device E * located in the overlapping area Ü12 of the two user areas N1 and N2 can transmit both the transmitting antenna A1 and the transmitting antenna A2
  • the overlapping areas in each case of two areas of use ie the overlapping area Ü12 as the overlapping area of the user areas N1 and N2, the overlapping area Ü13 as the overlapping area of the user areas N1 and N3 and the overlapping area Ü23 as the overlapping area of the user areas N2 and N3 form the intersection of two user areas.
  • a receiving device E located in this overlapping region Ü123 can receive data transmitted by any transmitting antenna A1, A2 and A3.
  • the hybrid network contains a terrestrial, unidirectional digital radio system which has three user areas N1, N2 and N3 which partially overlap.
  • satellite systems or controllable spotbeams can also be used.
  • the aim of the method is to enable local roaming between the individual user areas N1, N2 and N3 within the unidirectional radio system. If a user desires a data transmission between the server S and the receiving device E, the position of the receiving device E is first determined.
  • the control signal is not sent via the unidirectional radio system but, for example, via the IP network, an ISDN network, or a PSTN network to which the server is connected.
  • the identification of the receiving device E is carried out at the same time with a determination of information about the position of the receiving device at the initiative of the user.
  • the position of the receiving device can also be determined by sending an implicit or explicit identifier with the aid of the transmitting antennas A1, A2 and A3, which is sent back to the server S by the receiving device.
  • the server S can determine available reachability variants.
  • the position of the receiving device E in the overlapping area Ü123 grants the three User areas Nl, N2 and N3 maximum accessibility over all three transmission antennas Al, A2 and A3. Therefore, the server S can decide which of the three transmission antennas to send the desired data.
  • This decision may make the server S dependent on what quality (e.g., what bandwidth, bit error rate, maximum guaranteed bandwidth, or the size of a signal delay) is achieved in transmitting data through one of the transmit antennas A1, A2, or A3 to the receiving device E.
  • the transmission quality can be checked with - a quality test sequence for at least one accessibility variant by the server.
  • the receiving device Upon receiving a quality test sequence, the receiving device generates a quality feedback associated with the quality sequence and returns it to the server.
  • the transmission of the quality feedback can coincide with the identification and the determination of the position of the receiving device.
  • transmitter-specific quality sequences for a specific receiving device can be sent from all the transmitting antennas at the same time, which can be sent by the receiving device with the quality feedback and the information. from which of the transmission antennas Al, A2 and A3 it has received the quality sequence, are sent back.
  • the server S receives in one fell swoop the information about how good the transmission quality is between all transmission antennas belonging to the radio system and the receiving device.
  • a position determination of the receiving device is thus connected insofar as it is determined in which user area Nl, N2, N3, the receiving device is located.
  • information about transmission qualities is transmitted between the receiving device and the respective transmitting antennas.
  • the decision as to which of the three transmission antennas Al, A2 or A3 the data should be transmitted can also be made dependent on how many further reception devices are located in the user areas N1, N2 and N3. If, for example, the user areas N1 and N2 are well utilized, while transmission capacities are free in the user area N3, then the transmission antenna A3 is selected by the server in order to transmit data to the reception device E in the overlapping area U123.
  • the desired data is first transmitted via all three transmission antennas Al, A2 and A3 up to the time at which the position of the receiving device E is determined. Only when the server has received the position of the receiving device E, the above-described optimization of data transmission by one of the transmission antennas Al, A2 or A3. Thus, although initially all three transmit antennas with the
  • the bandwidth available for a user of a receiving device E * in the overlapping area Ü12 for the transmission of data is increased by transferring parallel users in the overlapping area Ü13, Ü23 and Ü123 via local roaming to adjacent user areas of the same radio system , ie in the user area N3.
  • high-bandwidth data can be transmitted to the receiving device E * by the transmitting antennas Al and A3. This happens as far as a roaming by the position of the further users in one or more Overlapping areas of the corresponding user areas is possible.
  • a higher transmission bandwidth or a redundancy increase can be achieved than if only one transmit antenna were available.
  • the named user areas and associated transmit antennas are to be understood as examples in this case.
  • the transmission quality via transmission antenna A1 to a receiver E ** at any position in user area N1 could be optimized by forwarding data to as many other reception devices in overlap areas Ü12, Ü13 and Ü123 as possible to transmission antennas A2 and A3 transfer.
  • the data is transmitted via a satellite ST in FIG. 2
  • the satellite ST has at least four transponders (not shown), each of which is assigned to a regional user area N1 to N4 and sends data thereto.
  • the satellite ST is controlled by the server S.
  • the user areas Nl to N4 are all rectangular in shape and arranged in the corners of a large rectangle that represents the total area of the area in which receiving devices can receive data through the radio system shown in FIG.
  • the intersection of two user areas is formed by a narrower rectangle, in which a user of a receiving device can receive data from the satellite ST.
  • the overlap area Ü12 forms the overlapping area of the two user areas N1 and N2, etc.
  • an overlapping area Ü1234 of all four user areas N1 to N4 which represents the intersection of all user areas.
  • To a located in Ü1234 receiving device E can be transmitted from all four transponders of the satellite ST from data.
  • the transponders for the user areas N1, N2 and N3 are very busy, a desired data transmission to the receiving device via the transponder of the user area N4 is performed to have the highest possible bandwidth available for transmission.
  • FIG. 3 shows a hybrid network which consists of at least two radio systems: a terrestrial transmission antenna A 1, A 2 and A 3 set up in an irregular triangle and circular user areas N 1 to N 3 and a cellular radio system, as shown in FIG Data from a (not shown) satellite from in rectangular user areas N4 to N7 are fed.
  • the transmission of data can be passed not only between user areas within a radio system, but also between different radio systems.
  • the user of a mobile telephone moves as a receiving device from El in the overlapping area Ü126 to E2 in the overlapping area Ü1256 to E3 in the overlap area Ü156, he could, for example, be continuously supplied with data by the transponder of the satellite responsible for the user area N6 or also via the transmission antenna A1 , however, if this transponder or transmitting antenna Al is very overloaded, then the receiving device can be supplied at the location El and also at the location E2 by transmitting antenna A2, at the location E3 by the transponder of the satellite responsible for the user area N5.
  • the receiving device can also be sent data from all transmitting devices in an overlapping region that reach the receiving device. If the receiving device El is therefore in the overlapping area Ü126, then both the transmitting antennas A1 and A2 and the transponder of the user area N6 will at the same time transmit data, in the overlapping area Ü1256 the transponder of the utilization area N5, etc.
  • the quality sequences can be sent as a training sequence at regular intervals of all or a local limited selection of stations with an ID identifier of each transmitter and be answered by the receiving device, for example via the IP network as a control signal to the server.
  • a quality sequence of a transmitter is then answered by all receiving devices that are located in the transmission area of the respective transmitter.
  • the server receives at regular time intervals information about the transmission quality to one or all receiving devices of the hybrid network.
  • a quality sequence can only be sent by a plurality of transmitters specifically to a receiving device if transmission errors or an increase in the bit error rate are registered.
  • the server receives new transmission quality information via the corresponding control signals of the receiving device only if the quality of a reachability variant changes.
  • the server S can now either the Select a transmission path and thus the reachability variant that promises the widest bandwidth, or choose a transmission path that ensures a sufficient transmission quality.
  • the selection of the reachability variant is thus determined by a transmission property contained in the quality sequence and performed automatically by the server.
  • the user of the receiving device can still select whether he would prefer to have a cost-effective connection or a connection with as high a bandwidth as possible.
  • the actual connection and thus the actually used reachability variant is selected by the server, taking into account the user's request.

Landscapes

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

Abstract

L'invention concernant un procédé de transfert de données. Pour transférer des données entre un serveur (S) d'un réseau hybride et un dispositif récepteur (E ; E*; E**; El; E2; E3) du réseau hybride, les étapes suivantes sont réalisées : a) identification d'un dispositif récepteur du réseau hybride permettant à un utilisateur de transférer des données entre le serveur et le dispositif récepteur; b) identification de variantes d'accessibilité du réseau hybride pour la réalisation du transfert de données souhaité avec le dispositif récepteur et c) envoi d'une séquence de test de qualité d'au moins une variante d'accessibilité au système par le serveur; d) génération par le dispositif récepteur d'une réponse qualité associée à la séquence de test de qualité reçue et e) envoi de la réponse qualité associée au serveur par le dispositif récepteur.
PCT/DE2005/001370 2004-08-02 2005-07-29 Procede de transfert de donnees entre un serveur d'un reseau hybride et un dispositif recepteur du reseau hybride (selection dynamique d'emetteur) Ceased WO2006012883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410038057 DE102004038057A1 (de) 2004-08-02 2004-08-02 Verfahren zur Datenübertragung zwischen einem Server in oder an einem hybriden Netzwerk und einer Empfangseinrichtung des hybriden Netzwerkes (dynamische Senderauswahl)
DE102004038057.0 2004-08-02

Publications (1)

Publication Number Publication Date
WO2006012883A1 true WO2006012883A1 (fr) 2006-02-09

Family

ID=35427799

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2005/001370 Ceased WO2006012883A1 (fr) 2004-08-02 2005-07-29 Procede de transfert de donnees entre un serveur d'un reseau hybride et un dispositif recepteur du reseau hybride (selection dynamique d'emetteur)

Country Status (2)

Country Link
DE (1) DE102004038057A1 (fr)
WO (1) WO2006012883A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010001001A1 (fr) * 2008-06-06 2010-01-07 France Telecom Gestion du choix d'utilisation d'un reseau de telecommunication pour la transmission de donnees

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006010513B4 (de) * 2006-03-07 2011-12-29 Infineon Technologies Ag Kommunikationseinrichtung, Funk-Kommunikations-Anordnung und Verfahren zum Übertragen von Information von einer ersten Funk-Kommunikationseinrichtung zu einer zweiten Funk-Kommunikationseinrichtung
DE102006059088B4 (de) * 2006-12-13 2010-02-18 Keiper Gmbh & Co. Kg Fahrzeugsitz, insbesondere Nutzfahrzeugsitz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000051390A1 (fr) * 1999-02-22 2000-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Systeme de radio mobile et procede d'attribution de bandes d'ondes dans un systeme de radio mobile
US20010007552A1 (en) * 1996-09-27 2001-07-12 Schiff Leonard N. Method and apparatus for adjacent service area handoff in communication systems
WO2001072076A1 (fr) * 2000-03-21 2001-09-27 Nokia Corporation Transfert intercellulaire dans un reseau du type a porteuses multiples
US6516192B1 (en) * 1997-01-03 2003-02-04 Cellport Systems, Inc. Communications channel selection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19935521C2 (de) * 1999-07-28 2001-07-19 Kone Corp Verfahren zur Regelung der Bremse(n) einer Rolltreppe oder eines Rollsteiges
DE19957642C2 (de) * 1999-11-30 2002-03-28 Bosch Gmbh Robert Verfahren zur Übertragung von Daten mittels Funkübertragungssystemen zwischen Sende-/Empfangsstationen und Rechner zur Zuordnung von Funkübertragungssystemen für eine Übertragung von Daten zwischen Sende-/Empfangsstationen
FI108593B (fi) * 1999-12-31 2002-02-15 Nokia Oyj Paketinreititys monipalveluverkossa
FI110227B (fi) * 2000-03-31 2002-12-13 Nokia Oyj Arkkitehtuuri ja paketinreititys monipalveluverkossa
GB2364479A (en) * 2000-06-30 2002-01-23 Nokia Oy Ab System for locating a terminal
GB2394624B (en) * 2002-09-17 2006-04-05 Unique Broadband Systems Inc Interactive data broadcasting system
GB2393357A (en) * 2002-09-23 2004-03-24 Inmarsat Ltd Routing of data packets in a hybrid satellite communication system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010007552A1 (en) * 1996-09-27 2001-07-12 Schiff Leonard N. Method and apparatus for adjacent service area handoff in communication systems
US6516192B1 (en) * 1997-01-03 2003-02-04 Cellport Systems, Inc. Communications channel selection
WO2000051390A1 (fr) * 1999-02-22 2000-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Systeme de radio mobile et procede d'attribution de bandes d'ondes dans un systeme de radio mobile
WO2001072076A1 (fr) * 2000-03-21 2001-09-27 Nokia Corporation Transfert intercellulaire dans un reseau du type a porteuses multiples

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010001001A1 (fr) * 2008-06-06 2010-01-07 France Telecom Gestion du choix d'utilisation d'un reseau de telecommunication pour la transmission de donnees

Also Published As

Publication number Publication date
DE102004038057A1 (de) 2006-02-23

Similar Documents

Publication Publication Date Title
DE69609676T2 (de) Zellulare antennen für winkel-/raumdiversity und verfahren
DE69718628T2 (de) Vorrichtung und verfahren zur reduktion von gleichkanalstörungen
DE60312862T2 (de) Primäre station zum effizienten abdecken einer sektorisierten zelle unter verwendung von strahlformung und überstreichung
DE602005004208T2 (de) Funknetzsteuerungseinheit, Mobilstation und Mobilkommunikationsverfahren
WO2000023966A1 (fr) Procede de diffusion d'une information
EP0111971A1 (fr) Procédé et dispositif de commande pour la répartition du volume de trafic sur plusieurs canaux de service d'un système de radiocommunications
DE20309955U1 (de) Primärstation, die Strahlenbündelung und -Durchlauf für gemeinsame und reservierte Kanäle einsetzt
DE10129009B4 (de) Erlaubnis-Steuersystem für Funkkommunikation
DE60112219T2 (de) Mobilkommunikationssystem und verteiltes Rundfunkinformation-Steuerungsverfahren in einem Mobilkommunikationssystem
DE60008979T2 (de) Verfahren zur Erhaltung einer Kommunikationsverbindung in drahtlosen Netzwerkgruppen
DE102015005237B4 (de) Zwischen Fahrzeugen verteilte Datenübertragung
DE3706240A1 (de) Verfahren und funkrufsystem zum selektiven uebermitteln von rufen an mobile teilnehmer
DE3130408A1 (de) Verfahren und anordnung zur durchffuehrung eines gruppenrufes mit und ohne standortbedingung in zellularen mobilfunknetzen
WO2006012883A1 (fr) Procede de transfert de donnees entre un serveur d'un reseau hybride et un dispositif recepteur du reseau hybride (selection dynamique d'emetteur)
DE19515784A1 (de) Kommunikationsnetzwerk, bei dem eingehende Anrufe über bewegende Zellen über sich bewegende Zellen vermittelt werden sowie entsprechendes Verfahren
DE10225388B4 (de) Verfahren zur Standort-Ermittlung in Mobilfunknetzen
EP1458146A1 (fr) Procédé et un dispositif de réseau pour la détermination d'un trajet dans un système de radiocommunication ad-hoc
DE102006038826A1 (de) Richtungsabhängige Aussendung von Organisationsinformationen in einem systemübergreifenden Kanal
EP1584206A1 (fr) Commande de l'etat de configuration d'un appareil radiotelephonique mobile pour un service de multidiffusion
DE102021208030A1 (de) Verfahren und System zur koordinierten Strahlverwaltung in der drahtlosen Fahrzeugkommunikation
EP1005175B1 (fr) Procédé de transmission de données avec antennes directionnelles pour des véhicules en mouvement et dispositif mettant en oeuvre un tel procédé
DE4326434C1 (de) System zum Aufbau einer Kurzwellenverbindung
DE10310586B4 (de) Verfahren und netzseitige Einrichtung zur Ermittlung eines Pfades in einem Funkkommunikationssystem
WO2005043823A1 (fr) Procede pour signaler un parcours a des stations radio d'un systeme de radiocommunication
DE3413322C1 (de) UEberleiteinrichtung in einem taktischen Funksystem

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase