EP1659792A1 - Digital Broadcast in areas with low transmission power - Google Patents

Digital Broadcast in areas with low transmission power Download PDF

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Publication number
EP1659792A1
EP1659792A1 EP04105974A EP04105974A EP1659792A1 EP 1659792 A1 EP1659792 A1 EP 1659792A1 EP 04105974 A EP04105974 A EP 04105974A EP 04105974 A EP04105974 A EP 04105974A EP 1659792 A1 EP1659792 A1 EP 1659792A1
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EP
European Patent Office
Prior art keywords
data
programs
communication device
broadcast
mobile communication
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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.)
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EP04105974A
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German (de)
French (fr)
Inventor
Rudolf Ritter
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Swisscom AG
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Swisscom Mobile AG
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Priority to EP04105974A priority Critical patent/EP1659792A1/en
Priority to US11/283,860 priority patent/US20060109808A1/en
Publication of EP1659792A1 publication Critical patent/EP1659792A1/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/90—Wireless transmission systems
    • H04H60/91—Mobile communication networks

Definitions

  • the present invention relates to a method, a device, a mobile communication device and a system for the transmission of programs and / or data, which are unidirectionally distributed by a broadcast transmitter.
  • the present invention relates to a method, a device, a mobile communication device and a system for the transmission of programs and / or data according to the respective preambles of independent claims 1, 9, 12 and 13.
  • Broadcasting systems containing broadcast broadcasters and broadcast receivers containing digital audio programs (radio programs) or video programs (television programs) and digital data, for example data for the execution of data services or program-related data relating to the programs concerned (Program Associated Data, PAD) Broadcasting is being used unidirectionally by broadcast broadcasters. These digital audio or video programs are transmitted, for example, by means of radio waves emitted by terrestrial or satellite-based transmitters or via broadcast cable networks, and are received by corresponding broadcast receivers. Such broadcast systems are known, for example, under the name Digital Audio Broadcasting (DAB), respectively Digital Video Broadcasting (DVB). Within the DVB standard there are different versions, such as DVB-C (cable), DVB-S (satellite), DVB-T (terrestrial) or DVB-H (for so-called handheld devices).
  • DVB-C compact
  • DVB-S shortlite
  • DVB-T terrestrial
  • DVB-H for so-called handheld devices.
  • DAB and DVB broadcasting systems in particular radio or television programs, but also interactive multimedia content, for example games, can be distributed.
  • a particularly advantageous situation arises in particular from the combination of digital broadcasting with reception by means of portable and mobile devices.
  • users can receive audio or video programs anywhere without being bound to a fixed location.
  • broadcast systems have the disadvantage that the broadcast signals can be received poorly or not at all in certain areas, for example because of unfavorable topography of the area, high obstacles or shielding inside houses and buildings through the walls, walls, metallized Windows and other insulators.
  • one of the major advantages of broadcasting systems namely access to a very large audience, can only partially be exploited.
  • This disadvantage seems all the more important because many broadcast receivers are usually located in these low-power areas and thus can get no or only poor access to the popular programs and / or data, which in turn your expectations regarding quality of digital broadcasting can not be achieved.
  • a further disadvantage of these broadcast systems results from the unidirectional propagation characteristic of broadcast signals, so that, for example in the case of transmission by means of radio waves, a return channel is missing from the broadcast receivers to the broadcast transmitters or to their operators. Therefore, for example, no broadcast programs can be selected, which are then received via the broadcast medium.
  • separate, parallel channels must be provided for transporting the information from the mobile communication device to the broadcast provider, which complicates and increases the cost of commissioning and maintaining such systems.
  • programs and / or data are transmitted for the transmission of programs and / or data which are distributed unidirectionally by a broadcast transmitter in a first transmission area with a first transmission power and in a second transmission area with a second transmission power in the first transmission area are received by a receiving module of a transmission unit, that the programs and / or data are converted by means of a conversion module of the transmission unit, that connects the mobile communication device with a dial-up node of a local wireless network, and that the converted programs and / or data via a communication interface of the transmission unit are transmitted to the local wireless network in the second transmission area and are received there by the mobile communication device via an interface to the local wireless network.
  • the transmission power in the respective areas relates in particular to the signal strength and / or quality that can be received by a mobile communication device.
  • the advantage of this invention is, in particular, that programs and / or data distributed by the broadcast provider are also received in low-power areas.
  • the mobility of the user is not impaired, since a change of location from the first transmission area to the second transmission area, for example buildings, which are shielded by metallized windows, is made possible without further problems by this invention.
  • the programs and / or data which are distributed by the broadcast transmitter are received in the second transmission area either via an interface of the mobile communication device to the local wireless network or directly via the broadcast interface.
  • This has, inter alia, the advantage that, in parts of the second transmission area where the broadcast signal has sufficient transmission power, it is possible to switch between two different reception modes, depending on the better reception quality. If, for example, the desired program can only be received via the broadcast channel in mono quality but via the local wireless network in stereo quality, the mobile communication device can change the reception to the local wireless network.
  • Another advantage of this embodiment variant is the possibility of simultaneous reception of different programs and / or data via different channels.
  • a mobile radio device for a GSM and / or UMTS mobile radio network is used to receive broadcast programs and / or data, which is identified in the mobile network by means of an identification module.
  • This embodiment variant has, inter alia, the advantage that existing mobile devices become additional devices that can be used in different environments for different applications.
  • identification mechanisms of the mobile radio network can be used for identification and authentication purposes.
  • broadcast programs and / or data of the DAB type Digital Audio Broadcast
  • DVB Digital Video Broadcast
  • DVB-H Digital Video Broadcast for Handhelds
  • GPS GPS-based GPS
  • control and / or control data is transmitted from the mobile communication device at least partially via the local wireless network to a communication module of the broadcast provider.
  • a mobile radio network interface of the mobile communication device is used as a fallback interface to the communication module of the broadcast provider.
  • the programs and / or data to be distributed are selected by means of an input device on the mobile communication device.
  • This embodiment variant has, inter alia, the advantage that the user can determine directly on his mobile communication device according to his interests and needs, which programs and / or data he wants to receive and that this is not determined centrally for all users the same.
  • a transmission request for transmitting programs and / or data to the transmission unit is sent by the mobile communication device when entering the second transmission area, in which case the desired programs and / or data from the transmission unit to the mobile communication device via the local wireless network in the second Transmission area are transmitted.
  • FIG. 1 illustrates an architecture that may be used to implement the broadcast of broadcast programs and / or data in accordance with the invention.
  • FIG. 1 shows a block diagram which schematically illustrates a method according to the invention and a system for transmitting digital broadcast in transmission-poor areas.
  • the reference number 9 refers to a central unit of a broadcast provider which distributes programs and / or data unidirectionally, for example by means of radio waves from a terrestrial or satellite-based broadcast transmission antenna 4 via an air interface 2 or via broadcast cable networks.
  • the reference number 9 also refers to the provider of these programs and / or data, for example digital audio programs (radio programs) or video programs (television programs), and digital data, for example data for the Execution of data services or program-related data related to the programs concerned (Program Associated Data, PAD), or even data in general (Non Program Associated Data, NPAD), for example, interactive content such as games.
  • this also means multimedia data, for example in the MPEGx (in particular MP2 / MPEG7) standard, as defined by the Moving Picture Experts Group.
  • MPEGx in particular MP2 / MPEG7
  • MPEG7 MPEG7
  • the broadcast provider 9 broadcasts programs and / or data unidirectionally, for example by means of radio waves from a terrestrial or satellite-based broadcast transmission antenna 4 via an air interface 2, or via broadcast cable networks.
  • a mobile communication device 5 has the necessary infrastructure, including hardware and software components, to implement a described method and / or system according to the invention.
  • mobile communication devices 5 include all possible so-called.
  • Customer Premise Equipment (CPE) to understand, for example, include all IP-enabled devices, such as mobile phones, PDAs, laptops or game consoles, such as Playstation®, Xbox®, Gameboy® or GameCube®.
  • the mobile communication device 5 is equipped with a broadcast receiver 510, by means of which the programs and / or data distributed by broadcast providers 9 can be received via broadcast channels, for example via the broadcast cable network or by means of a broadcast reception antenna 56 as radio waves over the air interface 2.
  • broadcast channels for example via the broadcast cable network or by means of a broadcast reception antenna 56 as radio waves over the air interface 2.
  • Broadcasting systems Such broadcast broadcasters and broadcast receivers are known, for example, as Digital Audio Broadcasting (DAB) or Digital Video Broadcasting (DVB).
  • the European Telecommunications Standards Institute (ETSI), Sophia Antipolis, France, has been named the Digital Audio Broadcasting (DAB) system for the delivery of high quality digital audio programs and / or data services for reception by mobile, portable and fixed terminals terrestrial or satellite-based transmitters 4 or developed by broadcast cable networks, the standard ETS 300 401, "Radio broadcasting systems; The content of related document ETS 300 401, published in May 1997 by the ETSI in the second edition, as well as the content of the standard document ETS 300 174, "Network Aspects (NA); 34-45 Mbit / s digital coding of component television signals for the range of 34-45 Mbit / s ", published by the ETSI in November 1992, is hereby incorporated by reference in the text and in the ETSI standards referred to above Information Channel (FIC), by means of which a fast access to information is made possible for a broadcast receiver 103. For example, multiplex configuration information (MCI) but also service information and data for data services are transmitted via the FIC channel.
  • the mobile communication device 5 has at least one further physical network interface, which can also support several different network standards.
  • These physical network interfaces may, for example, be interfaces to local wireless networks, in particular WLAN (Wireless Local Area Network) 802.11, Bluetooth, and / or GSM (Global System for Mobile Communication), GPRS (Generalized Packet Radio Service), USSD (Unstructured Supplementary Services Data ), WCDMA (Wideband Code-Division Multiple Access), UMTS (Universal Mobile Telecommunications System), as well as Ethernet, Token Ring and / or another Wired LAN (Local Area Network).
  • WLAN Wireless Local Area Network
  • Bluetooth Wireless Fidelity
  • GSM Global System for Mobile Communication
  • GPRS Generalized Packet Radio Service
  • USSD Unstructured Supplementary Services Data
  • WCDMA Wideband Code-Division Multiple Access
  • UMTS Universal Mobile Telecommunications System
  • Ethernet Token Ring and / or another Wired LAN (Local Area Network).
  • Wired LAN Local Area Network
  • reference number 1 accordingly stands for the various local wireless networks (WLAN 802.11, Bluetooth, etc.), while the reference number 55 represents the physical network interface of the mobile communication device 5 to these local wireless networks 100.
  • reference number 110 stands for the various Mobile radio networks (GSM, GPRS, UMTS, etc.) and the reference number 54 for the corresponding physical network interface of the mobile communication device 5 to these mobile networks 110.
  • the mobile communication device 5 may meet the specifications of the standards for seamlessly switching voice and data media services, such as Unlicensed Mobile Access (UMA) for the seamless transition between WLAN, GSM / GPRS and Bluetooth, SCCAN (Seamless Converged Communication Across Networks ) or Bluephone.
  • UMA Unlicensed Mobile Access
  • SCCAN Seamless Converged Communication Across Networks
  • the mobile communication device is connected via a contact-type interface to an identification module 53 for identifying the mobile communication device 5 in the mobile radio network 110.
  • this identification module 53 can be a SIM card (Subscriber Identity Module), which can contain user-relevant data.
  • the mobile communication device 5 also has input elements 52, by means of which data and / or commands can be entered for use and / or execution on the mobile communication device 5 or for transmission via the communication interfaces 54/55.
  • the mobile communication device 5 has elements 51, which are used for output and / or reproduction of acoustic and / or optical signals and image and / or sound data to the user.
  • the elements 51 can be used to output and / or reproduce received broadcast programs and / or data.
  • the reference number 1 in FIG. 2 relates to a transmission unit whose receiving module 13 receives broadcast programs and / or data via a corresponding physical broadcast interface 12, from a broadcast transmission antenna 4 via an air interface 2 or via broadcast cable networks in a first transmission area to be spread.
  • the programs and / or data received in this way are sent by the receiving module 13 of the transmission unit 1 to a conversion module 14 of the transmission unit 1.
  • the conversion module 14 transforms the received programs and / or data, for example, by placing them in a different frequency position.
  • the programs and / or data may also be subjected to other conversions, in particular digitization, filtering, etc.
  • the data may also be so be converted to a different standard or communication protocol.
  • the programs and / or data thus converted are then transmitted via a communication interface 15 of the transmission unit 1 to the local wireless network 100 in the second transmission area.
  • the reception of digital broadcast programs and / or data can also be ensured in areas with low transmitting power.
  • the mobile communication device 5 enters a transmission area with a poorer transmission power of the broadcast signals transmitted by the broadcast transmission antenna 4, the mobile communication device 5 searches for available networks and, in the case of available networks, logs on to a dial-in node of the corresponding network.
  • the mobile communication device 5 can register in a local wireless network 100. Subsequently, the programs and / or data which are broadcast by the broadcast transmission antenna 4 and transmitted by the transmission unit 1 to the local wireless network 100 are received in this low-power area via the corresponding communication interface 55 from the mobile communication device 5.
  • input elements 52 of the mobile communication device 5 data and / or commands are input, which are transmitted via the return channels 8 and / or 3 to a central unit of the broadcast provider 9. These data and / or commands, in particular control and / or control data, are transmitted to the local wireless network 100 via the corresponding physical interface 55 and / or the interface 54.
  • the reference number 7 refers to a gateway which connects the local wireless network 100 to a central unit of the broadcast provider 9, so that the input data and / or commands can be transmitted from the mobile communication device 5 to the central unit of the broadcast provider 9.
  • the return channel 3 is a fallback interface, by means of which data and / or commands are transmitted from the mobile communication device 5 to the central unit of the broadcast provider 9 via the mobile radio network.

Abstract

The method involves transmitting programs and or data by a broadcast transmitter to a first transmission area having a first reception power and to a second transmission area having a second reception power. Programs and or data are received in the first transmission area by a receiving module of a retransmission unit. The programs and or data are converted by a conversion module of the retransmission unit. A mobile communication device is connected to an access node of a local wireless network having bidirectional communication in the second transmission area. The programs and or data in the second transmission area are retransmitted via a communication interface of the retransmission unit to the local wireless network. Programs and or data are received in the second transmission area by the mobile communication device via an interface of the mobile communication device to the local wireless network. The programs and or data are received in the second transmission area by the mobile communication device via the interface of the mobile communication device to the local wireless network and or via the broadcast interface. The mobile communication device is a mobile radio device for a GSM and or UMTS mobile radio network and the mobile radio device is identified in the mobile radio network by an identification module. The programs and or data are the group comprising DAB, DVB, DVB-H and GPS types.

Description

Die vorliegende Erfindung betrifft ein Verfahren, eine Vorrichtung, ein mobiles Kommunikationsgerät und ein System für die Übertragung von Programmen und/oder Daten, die unidirektional von einem Broadcastsender verbreitet werden. Insbesondere betrifft die vorliegende Erfindung ein Verfahren, eine Vorrichtung, ein mobiles Kommunikationsgerät und ein System für die Übertragung von Programmen und/oder Daten gemäss den betreffenden Oberbegriffen der unabhängigen Ansprüche 1, 9, 12 und 13.The present invention relates to a method, a device, a mobile communication device and a system for the transmission of programs and / or data, which are unidirectionally distributed by a broadcast transmitter. In particular, the present invention relates to a method, a device, a mobile communication device and a system for the transmission of programs and / or data according to the respective preambles of independent claims 1, 9, 12 and 13.

Broadcastsysteme mit Broadcastsendern und Broadcastempfängern in denen digitale Audio-Programme (Radioprogramme), respektive Video-Programme (Fernsehprogramme), und digitale Daten, beispielsweise Daten für die Ausführung von Datendiensten oder programmbegleitende Daten mit Bezug zu den betreffenden Programmen (Program Associated Data, PAD), von den Broadcastsendern unidirektional verbreitet werden sind bereits heute vielerorts im Einsatz. Dabei werden diese digitalen Audio- oder Video-Programme beispielsweise mittels von terrestrischen oder satellitenbasierten Sendern ausgestrahlten Radiowellen oder über Broadcastkabelnetze übertragen, und von entsprechenden Broadcastempfängern empfangen. Solche Broadcastsysteme kennt man beispielsweise unter der Bezeichnung Digital Audio Broadcasting (DAB), respektive Digital Video Broadcasting (DVB). Innerhalb vom DVB-Standard existieren verschiedene Ausführungen, wie DVB-C (Kabel), DVB-S (Satellit), DVB-T (Terrestrisch) oder DVB-H (für so genannte Handheld-Geräte).Broadcasting systems containing broadcast broadcasters and broadcast receivers containing digital audio programs (radio programs) or video programs (television programs) and digital data, for example data for the execution of data services or program-related data relating to the programs concerned (Program Associated Data, PAD) Broadcasting is being used unidirectionally by broadcast broadcasters. These digital audio or video programs are transmitted, for example, by means of radio waves emitted by terrestrial or satellite-based transmitters or via broadcast cable networks, and are received by corresponding broadcast receivers. Such broadcast systems are known, for example, under the name Digital Audio Broadcasting (DAB), respectively Digital Video Broadcasting (DVB). Within the DVB standard there are different versions, such as DVB-C (cable), DVB-S (satellite), DVB-T (terrestrial) or DVB-H (for so-called handheld devices).

Mittels DAB- und DVB-Broadcastsysteme können insbesondere Radio- oder Fernsehprogramme, aber auch interaktive multimediale Inhalte, beispielsweise Spiele verbreitet werden. Eine besonders vorteilhafte Situation ergibt sich insbesondere aus der Kombination des Digital Broadcasting mit Empfang mittels tragbarer und mobiler Geräten. In dieser Kombination können Benutzer an beliebigen Orten Audio- oder Video-Programme empfangen, ohne an einen fixen Ort gebunden zu sein.By means of DAB and DVB broadcasting systems, in particular radio or television programs, but also interactive multimedia content, for example games, can be distributed. A particularly advantageous situation arises in particular from the combination of digital broadcasting with reception by means of portable and mobile devices. In this combination, users can receive audio or video programs anywhere without being bound to a fixed location.

Diese Broadcastsysteme weisen jedoch den Nachteil auf, dass die Broadcastsignale in gewissen Gebieten nur schlecht oder gar nicht empfangen werden können, beispielsweise auf Grund von ungünstiger topografischer Beschaffenheit des Gebietes, hohen Hindernissen oder Abschirmung im Inneren von Häusern und Gebäuden durch die Mauern, Wände, metallisierte Fenster und andere Isolatoren. Dadurch kann einer der wesentlichen Vorteile von Broadcastsystemen, nämlich der Zugang zu einem sehr grossen Publikum, nur teilweise ausgenützt werden. Dieser Nachteil erscheint um so wichtiger, da ja sich viele Broadcastempfänger gewöhnlich in diesen sendeleistungsarmen Gebieten aufhalten und dadurch keinen oder nur schlechten Zugang zu den verbreiteten Programmen und/oder Daten erhalten können, womit wiederum Ihre Erwartungen bezüglich Qualität des Digital Broadcasting nicht erreicht werden.However, these broadcast systems have the disadvantage that the broadcast signals can be received poorly or not at all in certain areas, for example because of unfavorable topography of the area, high obstacles or shielding inside houses and buildings through the walls, walls, metallized Windows and other insulators. As a result, one of the major advantages of broadcasting systems, namely access to a very large audience, can only partially be exploited. This disadvantage seems all the more important because many broadcast receivers are usually located in these low-power areas and thus can get no or only poor access to the popular programs and / or data, which in turn your expectations regarding quality of digital broadcasting can not be achieved.

Ein weiterer Nachteil dieser Broadcastsysteme resultiert aus der unidirektionaler Verbreitungseigenschaft von Broadcastsignalen, so dass, beispielsweise bei der Übertragung mittels Radiowellen, ein Rückkanal von den Broadcastempfängern zu den Broadcastsendern, respektive zu deren Betreibern fehlt. Daher können beispielsweise keine Broadcast-Programme ausgewählt werden, die dann über das Broadcastmedium empfangen werden. Um eine Kommunikation zwischen den Broadcastempfängern und Broadcastsendern zu ermöglichen, müssen separate, parallele Kanäle zum Transport der Informationen vom mobilen Kommunikationsgerät zum Broadcastprovider bereitgestellt werden, was die Inbetriebnahme und Wartung solcher Systeme zusätzlich kompliziert und verteuert.A further disadvantage of these broadcast systems results from the unidirectional propagation characteristic of broadcast signals, so that, for example in the case of transmission by means of radio waves, a return channel is missing from the broadcast receivers to the broadcast transmitters or to their operators. Therefore, for example, no broadcast programs can be selected, which are then received via the broadcast medium. In order to enable communication between the broadcast receivers and broadcast transmitters, separate, parallel channels must be provided for transporting the information from the mobile communication device to the broadcast provider, which complicates and increases the cost of commissioning and maintaining such systems.

Es ist eine Aufgabe der vorliegenden Erfindung, ein neues und besseres Verfahren, eine neue und bessere Vorrichtung, ein neues und besseres mobiles Kommunikationsgerät sowie ein neues und besseres System vorzuschlagen, die für die Verbreitung von Programmen und/oder Daten geeignet sind, die unidirektional von einem Broadcastsender verbreitet werden, und die insbesondere nicht die oben angeführten Nachteile aufweisen.It is an object of the present invention to propose a new and better method, a new and better device, a new and better mobile communication device and a new and better system suitable for the dissemination of programs and / or data that are unidirectional of a broadcast broadcaster, and in particular do not have the above-mentioned disadvantages.

Gemäss der vorliegenden Erfindung werden diese Ziele insbesondere durch die Elemente der unabhängigen Ansprüche erreicht. Weitere vorteilhafte Ausführungsformen gehen ausserdem aus den abhängigen Ansprüchen und der Beschreibung hervor.According to the present invention, these objects are achieved in particular by the elements of the independent claims. Further advantageous embodiments are also evident from the dependent claims and the description.

Insbesondere werden diese Ziele durch die Erfindung dadurch erreicht, dass für die Übertragung von Programmen und/oder Daten, die unidirektional von einem Broadcastsender verbreitet werden in einem ersten Sendegebiet mit einer ersten Sendeleistung und in einem zweiten Sendegebiet mit einer zweiten Sendeleistung Programme und/oder Daten im ersten Sendegebiet von einem Empfangsmodul einer Übertragungseinheit empfangen werden, dass die Programme und/oder Daten mittels eines Umwandlungsmoduls der Übertragungseinheit umgewandelt werden, dass sich das mobile Kommunikationsgerät mit einem Einwahlknoten eines lokalen drahtlosen Netzwerks verbindet, und dass die umgewandelten Programme und/oder Daten über eine Kommunikationsschnittstelle der Übertragungseinheit an das lokale drahtlose Netzwerk im zweiten Sendegebiet übertragen werden und dort vom mobilen Kommunikationsgerät über eine Schnittstelle zum lokalen drahtlosen Netzwerk empfangen werden. Die Sendeleistung in den jeweiligen Gebieten bezieht sich insbesondere auf die Signalstärke und/oder -qualität, welche von einem mobilen Kommunikationsgerät empfangen werden können. Der Vorteil dieser Erfindung liegt insbesondere darin, dass Programme und/oder Daten, die vom Broadcastprovider verbreitet werden ebenfalls in sendeleistungsarmen Gebieten empfangen werden. Insbesondere wird die Mobilität des Benutzers dadurch nicht beeinträchtigt, da durch diese Erfindung ein Standortwechsel aus dem ersten Sendegebiet ins zweite Sendegebiet, beispielsweise Gebäude, welche durch metallisierte Fenster abgeschirmt sind, ohne weitere Probleme ermöglicht wird.In particular, these objects are achieved by the invention in that programs and / or data are transmitted for the transmission of programs and / or data which are distributed unidirectionally by a broadcast transmitter in a first transmission area with a first transmission power and in a second transmission area with a second transmission power in the first transmission area are received by a receiving module of a transmission unit, that the programs and / or data are converted by means of a conversion module of the transmission unit, that connects the mobile communication device with a dial-up node of a local wireless network, and that the converted programs and / or data via a communication interface of the transmission unit are transmitted to the local wireless network in the second transmission area and are received there by the mobile communication device via an interface to the local wireless network. The transmission power in the respective areas relates in particular to the signal strength and / or quality that can be received by a mobile communication device. The advantage of this invention is, in particular, that programs and / or data distributed by the broadcast provider are also received in low-power areas. In particular, the mobility of the user is not impaired, since a change of location from the first transmission area to the second transmission area, for example buildings, which are shielded by metallized windows, is made possible without further problems by this invention.

In einer Ausführungsvariante werden die Programme und/oder Daten, welche vom Broadcastsender verbreitet werden, im zweiten Sendegebiet entweder über eine Schnittstelle des mobilen Kommunikationsgeräts zum lokalen drahtlosen Netzwerk oder direkt über die Broadcast-Schnittstelle empfangen werden. Dies hat unter anderem den Vorteil, dass in Teilen des zweiten Sendegebiets, wo das Broadcast-Signal genügende Sendeleistung aufweist, wahlweise zwischen zwei verschiedenen Empfangsmodi umgeschaltet werden kann, je nach besserer Empfangsqualität. Ist z.B. das gewünschte Programm über Broadcast-Kanal nur in Mono-Qualität aber über das lokale drahtlose Netzwerk in Stereo-Qualität empfangbar, kann das mobile Kommunikationsgerät den Empfang auf das lokale drahtlose Netzwerk umstellen. Ein weiterer Vorteil dieser Ausführungsvariante ist die Möglichkeit des gleichzeitigen Empfangs von verschiedenen Programmen und/oder Daten über verschiedene Kanäle.In one embodiment variant, the programs and / or data which are distributed by the broadcast transmitter are received in the second transmission area either via an interface of the mobile communication device to the local wireless network or directly via the broadcast interface. This has, inter alia, the advantage that, in parts of the second transmission area where the broadcast signal has sufficient transmission power, it is possible to switch between two different reception modes, depending on the better reception quality. If, for example, the desired program can only be received via the broadcast channel in mono quality but via the local wireless network in stereo quality, the mobile communication device can change the reception to the local wireless network. Another advantage of this embodiment variant is the possibility of simultaneous reception of different programs and / or data via different channels.

In einer weiteren Ausführungsvariante wird zum Empfang von Broadcast-Programmen und/oder -Daten ein Mobilfunkgerät für ein GSM-und/oder UMTS-Mobilfunknetz verwendet, welches im Mobilfunknetz mittels eines Identifikationsmoduls identifiziert wird. Diese Ausführungsvariante hat unter anderem den Vorteil, dass bestehende Mobilfunkgeräte durch diese zusätzliche Funktion zu Geräten werden, die in verschiedenen Umgebungen für verschiedene Anwendungen eingesetzt werden können. Insbesondere können Identifikationsmechanismen des Mobilfunknetzes für Identifikations- und Authentifikationszwecke verwendet werden.In a further embodiment, a mobile radio device for a GSM and / or UMTS mobile radio network is used to receive broadcast programs and / or data, which is identified in the mobile network by means of an identification module. This embodiment variant has, inter alia, the advantage that existing mobile devices become additional devices that can be used in different environments for different applications. In particular, identification mechanisms of the mobile radio network can be used for identification and authentication purposes.

In einer weiteren Ausführungsvariante werden Broadcast-Programme und/oder -Daten vom Typ DAB (Digital Audio Broadcast), DVB (Digital Video Broadcast), DVB-H (Digital Video Broadcast for Handhelds) und/oder GPS verbreitet. Dies hat unter anderem den Vorteil, dass mittels dieser Erfindung insbesondere die Zeitkomponente der GPS-Signale in Gebiete mit einer ungenügenden Sendeleistung übermittelt werden kann. Dadurch wird beispielsweise der Empfang von genauer Zeitinformation auch in heute unerreichbaren Gebieten ermöglicht.In a further embodiment, broadcast programs and / or data of the DAB type (Digital Audio Broadcast), DVB (Digital Video Broadcast), DVB-H (Digital Video Broadcast for Handhelds) and / or GPS are distributed. This has, inter alia, the advantage that by means of this invention, in particular the time component of the GPS signals in areas with insufficient transmission power can be transmitted. This allows, for example, the reception of accurate time information even in unreachable areas today.

In einer wieder weiteren Ausführungsvariante werden Steuerungsund/oder Kontrolldaten vom mobilen Kommunikationsgerät mindestens teilweise über das lokale drahtlose Netzwerk auf ein Kommunikationsmodul des Broadcastproviders übertragen. Dies hat unter anderem den Vorteil, dass das bidirektionale lokale drahtlose Netzwerk nicht nur für den Empfang, sondern ebenfalls für das Senden von Daten verwendet wird, wodurch Rückinformationen an den Broadcastsender übertragen werden können. Es muss kein zusätzlicher Rückkanal bereitgestellt werden, womit die Installation und Wartung von diesem Broadcastsystem vereinfacht und weniger teuer gemacht wird.In yet another embodiment variant, control and / or control data is transmitted from the mobile communication device at least partially via the local wireless network to a communication module of the broadcast provider. This has, inter alia, the advantage that the bidirectional local wireless network is used not only for the reception but also for the transmission of data, whereby feedback information can be transmitted to the broadcast transmitter. There is no need to provide an additional return channel, which means the installation and maintenance of this broadcasting system is simplified and made less expensive.

In einer weiteren Ausführungsvariante wird eine Mobilfunknetz-Schnittstelle des mobilen Kommunikationsgeräts als Fallback-Schnittstelle zum Kommunikationsmodul des Broadcastproviders verwendet. Dies hat unter anderem den Vorteil, dass die Steuerungs- und/oder Kontrolldaten vom mobilen Kommunikationsgerät auch im Falle von Übertragungsschwierigkeiten über das lokale drahtlose Netzwerk noch zum Broadcastprovider gelangen können. Dadurch wird die Wahrscheinlichkeit noch weiter reduziert, dass das Broadcastsystem nicht im vollen Umfang benutzt werden kann.In a further embodiment, a mobile radio network interface of the mobile communication device is used as a fallback interface to the communication module of the broadcast provider. This has, inter alia, the advantage that the control and / or control data from the mobile communication device can still reach the broadcast provider even in the case of transmission difficulties via the local wireless network. This further reduces the likelihood that the broadcast system will not be fully utilized.

In einer weiteren Ausführungsvariante werden die zu verbreitenden Programme und/oder Daten mittels einer Eingabevorrichtung am mobilen Kommunikationsgerät selektiert. Diese Ausführungsvariante hat unter anderem den Vorteil, dass der Benutzer direkt an seinem mobilen Kommunikationsgerät nach seinen Interessen und Bedürfnissen bestimmen kann, welche Programme und/oder Daten er erhalten möchte und das dies nicht zentral für alle Benutzer gleich bestimmt wird.In a further embodiment, the programs and / or data to be distributed are selected by means of an input device on the mobile communication device. This embodiment variant has, inter alia, the advantage that the user can determine directly on his mobile communication device according to his interests and needs, which programs and / or data he wants to receive and that this is not determined centrally for all users the same.

In einer weiteren Ausführungsvariante wird vom mobilen Kommunikationsgerät beim Eintritt ins zweite Sendegebiet eine Sendeaufforderung zum Übertragen von Programmen und/oder Daten an die Übertragungseinheit gesendet, wobei dann die gewünschten Programme und/oder Daten von der Übertragungseinheit zum mobilen Kommunikationsgerät über das lokale drahtlose Netzwerk im zweiten Sendegebiet übertragen werden. Dies hat unter anderem den Vorteil, dass die Bandbreite im lokalen drahtlosen Netzwerk im zweiten Sendegebiet nicht unnötig zum Übertragen von Programmen und/oder Daten genutzt wird, wenn kein Benutzer Programme und/oder Daten empfangen möchte und damit Kapazitäten für andere Anwendungen freigestellt werden.In a further embodiment variant, a transmission request for transmitting programs and / or data to the transmission unit is sent by the mobile communication device when entering the second transmission area, in which case the desired programs and / or data from the transmission unit to the mobile communication device via the local wireless network in the second Transmission area are transmitted. This has, inter alia, the advantage that the bandwidth in the local wireless network in the second transmission area is not unnecessarily used for transmitting programs and / or data when no user wants to receive programs and / or data and thus frees up capacities for other applications.

An dieser Stelle soll festgehalten werden, dass sich die vorliegende Erfindung neben dem erfindungsgemässen Verfahren auch auf ein System, ein mobiles Kommunikationsgerät und eine Vorrichtung zur Ausführung dieses Verfahrens bezieht.It should be noted at this point that the present invention, in addition to the inventive method on a system, a mobile communication device and an apparatus for carrying out this method relates.

Nachfolgend wird eine Ausführung der vorliegenden Erfindung anhand eines Beispieles beschrieben. Das Beispiel der Ausführung wird durch die folgenden beigelegten Figuren 1 bis 3 illustriert:

  • Figur 1 zeigt ein schematisches Blockdiagramm eines Kommunikationssystems, in welchem ein Broadcast-Provider, ein Broadcastsender, ein mobiles Endgerät, sowie eine Vorrichtung zur Übertragung von Broadcastsignalen aus dem ersten Sendegebiet in das zweite Sendegebiet.
  • Figur 2 zeigt ein Blockdiagramm, welches schematisch eine Vorrichtung zur Übertragung von Broadcastsignalen aus einem Sendegebiet ins zweite Sendegebiet darstellt.
  • Figur 3 zeigt ein Blockdiagramm, welches schematisch ein mobiles Endgerät darstellt, welcher mit Schnittstellen für den Empfang von Programmen und/oder Daten im ersten Sendegebiet und im zweiten Sendegebiet versehen ist.
Hereinafter, an embodiment of the present invention will be described by way of example. The example of the embodiment is illustrated by the following attached figures 1 to 3:
  • FIG. 1 shows a schematic block diagram of a communication system in which a broadcast provider, a broadcast transmitter, a mobile terminal, and a device for transmitting broadcast signals from the first transmission area to the second transmission area.
  • FIG. 2 shows a block diagram which schematically illustrates a device for transmitting broadcast signals from a transmission area to the second transmission area.
  • FIG. 3 shows a block diagram, which schematically represents a mobile terminal, which is provided with interfaces for the reception of programs and / or data in the first transmission area and in the second transmission area.

Figur 1 illustriert eine Architektur, die zur Realisierung der Übertragung von Broadcast-Programmen und/oder -Daten gemäss der Erfindung verwendet werden kann. Figur 1 zeigt ein Blockdiagramm, welches schematisch ein erfindungsgemässes Verfahren und ein System zur Übertragung von Digital Broadcast in sendeleistungsarmen Gebieten illustriert. In der Figur 1 bezieht sich die Referenznummer 9 auf eine Zentraleinheit eines Broadcastproviders, der Programme und/oder Daten unidirektional verbreitet, beispielsweise mittels Radiowellen von einer terrestrischen oder satellitenbasierten Broadcastsendeantenne 4 über eine Luftschnittstelle 2, oder aber über Broadcastkabelnetze. Mit der Referenznummer 9 wird auch der Anbieter dieser Programme und/oder Daten bezeichnet, beispielsweise digitaler Audio-Programme (Radioprogramme), respektive Video-Programme (Fernsehprogramme), und digitaler Daten, beispielsweise Daten für die Ausführung von Datendiensten oder programmbegleitende Daten mit Bezug zu den betreffenden Programmen (Program Associated Data, PAD), oder auch Daten im allgemeinen (Non Program Associated Data, NPAD) beispielsweise interaktiver Inhalte wie Spiele. Insbesondere sind damit auch Multimediadaten, z.B. im MPEGx (insbesondere MP2/MPEG7) Standard, wie sie durch die Moving Picture Experts Group definiert werden, gemeint. Allerdings soll hier zur besseren Klarheit angefügt werden, dass auch mehrere verschiedene Anbieter ihre Programme und/oder Daten über einen gemeinsamen Broadcastprovider 9 verbreiten können.Figure 1 illustrates an architecture that may be used to implement the broadcast of broadcast programs and / or data in accordance with the invention. FIG. 1 shows a block diagram which schematically illustrates a method according to the invention and a system for transmitting digital broadcast in transmission-poor areas. In FIG. 1, the reference number 9 refers to a central unit of a broadcast provider which distributes programs and / or data unidirectionally, for example by means of radio waves from a terrestrial or satellite-based broadcast transmission antenna 4 via an air interface 2 or via broadcast cable networks. The reference number 9 also refers to the provider of these programs and / or data, for example digital audio programs (radio programs) or video programs (television programs), and digital data, for example data for the Execution of data services or program-related data related to the programs concerned (Program Associated Data, PAD), or even data in general (Non Program Associated Data, NPAD), for example, interactive content such as games. In particular, this also means multimedia data, for example in the MPEGx (in particular MP2 / MPEG7) standard, as defined by the Moving Picture Experts Group. However, it should be added here for the sake of clarity that several different providers can distribute their programs and / or data via a common broadcast provider 9.

Der Broadcastprovider 9 verbreitet Programme und/oder Daten unidirektional, beispielsweise mittels Radiowellen von einer terrestrischen oder satellitenbasierten Broadcastsendeantenne 4 über eine Luftschnittstelle 2, oder über Broadcastkabelnetze. Ein mobiles Kommunikationsgerät 5 verfügt über die notwendige Infrastruktur, einschliesslich Hardware- und Softwarekomponenten, um ein beschriebenes erfindunsgemässes Verfahren und/oder System zu realisieren. Unter mobile Kommunikationsgeräte 5 sind unter anderem alle möglichen sog. Customer Premise Equipment (CPE) zu verstehen, die beispielsweise auch sämtliche IP-fähige Geräte umfassen, wie z.B. Mobilfunktelefone, PDAs, Laptops oder Spielkonsolen, beispielsweise Playstation®, Xbox®, Gameboy® oder Gamecube®. Insbesondere ist das mobile Kommunikationsgerät 5 mit einem Broadcastempfänger 510 ausgestattet, mittels welchem die von Broadcastprovider 9 verbreiteten Programme und/oder Daten über Broadcastkanäle empfangen werden können, beispielsweise über das Broadcastkabelnetz oder mittels einer Broadcast-Empfangsantenne 56 als Radiowellen über die Luftschnittstelle 2. Broadcastsysteme mit solchen Broadcastsendern und Broadcastempfängern sind beispielsweise unter der Bezeichnung Digital Audio Broadcasting (DAB), respektive Digital Video Broadcasting (DVB) bekannt. Vom European Telecommunications Standards Institute (ETSI), Sophia Antipolis, Frankreich, wurde für das Digital Audio Broadcasting (DAB) System, das für die Übermittlung von hochqualitativen digitalen Audio-Programmen und/oder Datendiensten für den Empfang mittels mobilen, tragbaren und festinstallierten Endgeräten von terrestrischen oder satellitenbasierten Sendern 4 oder von Broadcastkabelnetzen entwickelt wurde, der Standard ETS 300 401, "Radio broadcasting systems; Digital Audio Broadcasting (DAB) to mobile, portable and fixed receivers", definiert. Der Inhalt des diesbezüglichen Dokuments ETS 300 401, das im Mai 1997 vom ETSI in der zweiten Ausgabe veröffentlicht wurde, sowie der Inhalt des Standarddokuments ETS 300 174, "Network Aspects (NA); Digital coding of component television signals for contribution quality applications in the range 34-45 Mbit/s", das im November 1992 vom ETSI veröffentlicht wurde, werden hiermit per Referenz in diesen Text aufgenommen. In den oben genannten ETSI-Standards wird auch ein Fast Information Channel (FIC) definiert, mittels welchem einem Broadcastempfänger 103 ein schneller Zugriff auf Informationen ermöglicht wird. Über den FIC-Kanal werden beispielsweise Multiplex Configuration Information (MCI) aber auch Dienstinformationen und Daten für Datendienste übertragen.The broadcast provider 9 broadcasts programs and / or data unidirectionally, for example by means of radio waves from a terrestrial or satellite-based broadcast transmission antenna 4 via an air interface 2, or via broadcast cable networks. A mobile communication device 5 has the necessary infrastructure, including hardware and software components, to implement a described method and / or system according to the invention. Among mobile communication devices 5 include all possible so-called. Customer Premise Equipment (CPE) to understand, for example, include all IP-enabled devices, such as mobile phones, PDAs, laptops or game consoles, such as Playstation®, Xbox®, Gameboy® or GameCube®. In particular, the mobile communication device 5 is equipped with a broadcast receiver 510, by means of which the programs and / or data distributed by broadcast providers 9 can be received via broadcast channels, for example via the broadcast cable network or by means of a broadcast reception antenna 56 as radio waves over the air interface 2. Broadcasting systems Such broadcast broadcasters and broadcast receivers are known, for example, as Digital Audio Broadcasting (DAB) or Digital Video Broadcasting (DVB). The European Telecommunications Standards Institute (ETSI), Sophia Antipolis, France, has been named the Digital Audio Broadcasting (DAB) system for the delivery of high quality digital audio programs and / or data services for reception by mobile, portable and fixed terminals terrestrial or satellite-based transmitters 4 or developed by broadcast cable networks, the standard ETS 300 401, "Radio broadcasting systems; The content of related document ETS 300 401, published in May 1997 by the ETSI in the second edition, as well as the content of the standard document ETS 300 174, "Network Aspects (NA); 34-45 Mbit / s digital coding of component television signals for the range of 34-45 Mbit / s ", published by the ETSI in November 1992, is hereby incorporated by reference in the text and in the ETSI standards referred to above Information Channel (FIC), by means of which a fast access to information is made possible for a broadcast receiver 103. For example, multiplex configuration information (MCI) but also service information and data for data services are transmitted via the FIC channel.

Zudem besitzt das mobile Kommunikationsgerät 5 mindestens eine weitere physikalische Netzwerkschnittstelle, welche auch mehrere unterschiedliche Netzwerkstandards unterstützen kann. Diese physikalischen Netzwerkschnittstellen können beispielsweise Schnittstellen zu lokalen drahtlosen Netzwerken sein, insbesondere WLAN (Wireless Local Area Network) 802.11, Bluetooth, und/oder GSM (Global System for Mobile Communication), GPRS (Generalised Packet Radio Service), USSD (Unstructured Supplementary Services Data), WCDMA (Wideband Code-Division Multiple Access), UMTS (Universal Mobile Telecommunications System), sowie Ethernet, Token Ring und/oder einem anderen Wired LAN (Local Area Network). Die Referenznummer 100 in der Figur 1 steht dementsprechend für die verschiedenen lokalen drahtlosen Netzwerke (WLAN 802.11, Bluetooth etc.), während die Referenznummer 55 die physische Netzwerkschnittstelle des mobilen Kommunikationsgeräts 5 zu diesen lokalen drahtlosen Netzwerken 100. Entsprechend steht die Referenznummer 110 für die verschiedenen Mobilfunknetzwerke (GSM, GPRS, UMTS etc.) und die Referenznummer 54 für die entsprechende physische Netzwerkschnittstelle des mobilen Kommunikationsgeräts 5 zu diesen Mobilfunknetzwerken 110. Prinzipiell ist zu sagen, dass das erfindungsgemässe Verfahren und/oder System, sowie die erfindungsgemässe Übertragungsvorrichtung nicht an einen spezifischen Netzwerkstandard gebunden ist, sofern die erfindungsgemässen Merkmale vorhanden sind, sondern können mit einem oder mehreren beliebigen Netzwerken realisiert werden, insbesondere auch indem das mobile Kommunikationsgerät 5 transparent zwischen den verschiedenen Netzwerken umschaltet. In dieser Hinsicht kann das mobile Kommunikationsgerät 5 insbesondere die Spezifikationen der Standards für nahtloses Wechseln von Sprach- und Datenträgerdiensten, wie z.B. UMA (Unlicensed Mobile Access) für den nahtlosen Übergang zwischen WLAN, GSM/GPRS und Bluetooth, SCCAN (Seamless Converged Communication Across Networks) oder Bluephone.In addition, the mobile communication device 5 has at least one further physical network interface, which can also support several different network standards. These physical network interfaces may, for example, be interfaces to local wireless networks, in particular WLAN (Wireless Local Area Network) 802.11, Bluetooth, and / or GSM (Global System for Mobile Communication), GPRS (Generalized Packet Radio Service), USSD (Unstructured Supplementary Services Data ), WCDMA (Wideband Code-Division Multiple Access), UMTS (Universal Mobile Telecommunications System), as well as Ethernet, Token Ring and / or another Wired LAN (Local Area Network). The reference number 100 in FIG. 1 accordingly stands for the various local wireless networks (WLAN 802.11, Bluetooth, etc.), while the reference number 55 represents the physical network interface of the mobile communication device 5 to these local wireless networks 100. Accordingly, reference number 110 stands for the various Mobile radio networks (GSM, GPRS, UMTS, etc.) and the reference number 54 for the corresponding physical network interface of the mobile communication device 5 to these mobile networks 110. In principle, it should be said that the inventive method and / or system, as well as the inventive transmission device not to a specific Network standard is bound, provided that the inventive features are present, but can with one or more Any networks can be realized, in particular by the mobile communication device 5 switches transparent between the different networks. In particular, in this regard, the mobile communication device 5 may meet the specifications of the standards for seamlessly switching voice and data media services, such as Unlicensed Mobile Access (UMA) for the seamless transition between WLAN, GSM / GPRS and Bluetooth, SCCAN (Seamless Converged Communication Across Networks ) or Bluephone.

Weiter ist das mobile Kommunikationsgerät über eine kontaktbehaftete Schnittstelle mit einem Identifikationsmodul 53 verbunden zur Identifikation des mobilen Kommunikationsgeräts 5 im Mobilfunknetzwerk 110. Insbesondere kann dieses Identifikationsmodul 53 eine SIM-Karte (Subscriber Identity Module) sein, welche benutzerrelevante Daten beinhalten kann. Das mobile Kommunikationsgerät 5 verfügt zudem über Eingabeelemente 52, mittels welcher Daten und/oder Befehle eingegeben werden können zur Verwendung und/oder Ausführung auf dem mobilen Kommunikationsgerät 5 oder zur Übertragung über die Kommunikationsschnittstellen 54/55. Weiter verfügt das mobile Kommunikationsgerät 5 über Elemente 51, welche zur Ausgabe und/oder Wiedergabe von akustischer und/oder optischer Signale sowie Bild- und/oder Tondaten an den Benutzer verwendet werden. Insbesondere können die Elemente 51 zur Ausgabe und/oder Wiedergabe von empfangenen Broadcast-Programmen und/oder -Daten verwendet werden.Furthermore, the mobile communication device is connected via a contact-type interface to an identification module 53 for identifying the mobile communication device 5 in the mobile radio network 110. In particular, this identification module 53 can be a SIM card (Subscriber Identity Module), which can contain user-relevant data. The mobile communication device 5 also has input elements 52, by means of which data and / or commands can be entered for use and / or execution on the mobile communication device 5 or for transmission via the communication interfaces 54/55. Furthermore, the mobile communication device 5 has elements 51, which are used for output and / or reproduction of acoustic and / or optical signals and image and / or sound data to the user. In particular, the elements 51 can be used to output and / or reproduce received broadcast programs and / or data.

Die Referenznummer 1 in der Figur 2 bezieht sich auf eine Übertragungseinheit, dessen Empfangsmodul 13 über eine entsprechende physische Broadcast-Schnittstelle 12 Broadcast-Programme und/oder -Daten empfängt, die von einer Broadcastsendeantenne 4 über eine Luftschnittstelle 2 oder über Broadcastkabelnetze in einem ersten Sendegebiet verbreitet werden. Die so empfangenen Programme und/oder Daten werden vom Empfangsmodul 13 der Übertragungseinheit 1 an ein Umwandlungsmodul 14 der Übertragungseinheit 1 gesendet. Das Umwandlungsmodul 14 transformiert die empfangenen Programme und/oder Daten, indem sie beispielsweise in eine andere Frequenzlage versetzt werden. Dabei können die Programme und/oder Daten ebenfalls anderen Umwandlungen unterzogen werden, insbesondere Digitalisierung, Filtern, usw. Des weiteren können die Daten auch so umgewandelt werden, dass sie einem anderen Standard oder Kommunikationsprotokoll entsprechen. Die so umgewandelten Programme und/oder Daten werden dann über eine Kommunikationsschnittstelle 15 der Übertragungseinheit 1 auf das lokale drahtlose Netzwerk 100 im zweiten Sendegebiet übertragen.The reference number 1 in FIG. 2 relates to a transmission unit whose receiving module 13 receives broadcast programs and / or data via a corresponding physical broadcast interface 12, from a broadcast transmission antenna 4 via an air interface 2 or via broadcast cable networks in a first transmission area to be spread. The programs and / or data received in this way are sent by the receiving module 13 of the transmission unit 1 to a conversion module 14 of the transmission unit 1. The conversion module 14 transforms the received programs and / or data, for example, by placing them in a different frequency position. The programs and / or data may also be subjected to other conversions, in particular digitization, filtering, etc. Furthermore, the data may also be so be converted to a different standard or communication protocol. The programs and / or data thus converted are then transmitted via a communication interface 15 of the transmission unit 1 to the local wireless network 100 in the second transmission area.

Gemäss Figur 1 kann der Empfang von Digital Broadcast Programmen und/oder Daten auch in sendeleistungsarmen Gebieten gewährleistet werden. Beim Eintritt des mobilen Kommunikationsgeräts 5 in ein Sendegebiet mit einer schlechterer Sendeleistung der Broadcastsignale, welche von der Broadcastsendeantenne 4 übertragen werden, sucht das mobile Kommunikationsgerät 5 nach verfügbaren Netzwerken und meldet sich im Falle von verfügbaren Netzwerken bei einem Einwahlknoten des entsprechenden Netzwerks an. Insbesondere kann sich das mobile Kommunikationsgerät 5 in einem lokalen drahtlosen Netzwerk 100 anmelden. Anschliessend werden die Programme und/oder Daten, welche von der Broadcastsendeantenne 4 verbreitet und von der Übertragungseinheit 1 aufs lokale drahtlose Netzwerk 100 übertragen werden in diesem sendeleistungsarmen Gebiet über die entsprechende Kommunikationsschnittstelle 55 vom mobilen Kommunikationsgerät 5 empfangen.According to FIG. 1, the reception of digital broadcast programs and / or data can also be ensured in areas with low transmitting power. When the mobile communication device 5 enters a transmission area with a poorer transmission power of the broadcast signals transmitted by the broadcast transmission antenna 4, the mobile communication device 5 searches for available networks and, in the case of available networks, logs on to a dial-in node of the corresponding network. In particular, the mobile communication device 5 can register in a local wireless network 100. Subsequently, the programs and / or data which are broadcast by the broadcast transmission antenna 4 and transmitted by the transmission unit 1 to the local wireless network 100 are received in this low-power area via the corresponding communication interface 55 from the mobile communication device 5.

Mittels Eingabeelemente 52 des mobilen Kommunikationsgeräts 5 werden Daten und/oder Befehle eingegeben, welche über die Rückkanäle 8 und/oder 3 an eine Zentraleinheit des Broadcastprovider 9 übermittelt werden. Diese Daten und/oder Befehle, insbesondere Steuerungs- und/oder Kontrolldaten werden über die entsprechende physische Schnittstelle 55 und/oder die Schnittstelle 54 an das lokale drahtlose Netzwerk 100 übertragen. Die Bezugsnummer 7 bezieht sich auf einen Gateway, welcher das lokale drahtlose Netzwerk 100 mit einer Zentraleinheit des Broadcastproviders 9 verbindet, so dass die eingegebenen Daten und/oder Befehle vom mobilen Kommunikationsgerät 5 an die Zentraleinheit des Broadcastproviders 9 übertragen werden können. Zur Verbindung des Gateways mit der Zentraleinheit des Broadcastproviders 9 können insbesondere Kabelverbindungen wie z.B. ISDN-, DSL- oder PSTN-Verbindungen, aber auch drahtlose Verbindungen über GSM, GPRS, UMTS oder ähnliche drahtlose Übertragungstechnologien verwendet werden. Beim Rückkanal 3 handelt es sich um eine Fallback-Schnittstelle, mittels welcher Daten und/oder Befehle vom mobilen Kommunikationsgerät 5 an die Zentraleinheit des Broadcastproviders 9 über das Mobilfunknetzwerk übertragen werden.By means of input elements 52 of the mobile communication device 5 data and / or commands are input, which are transmitted via the return channels 8 and / or 3 to a central unit of the broadcast provider 9. These data and / or commands, in particular control and / or control data, are transmitted to the local wireless network 100 via the corresponding physical interface 55 and / or the interface 54. The reference number 7 refers to a gateway which connects the local wireless network 100 to a central unit of the broadcast provider 9, so that the input data and / or commands can be transmitted from the mobile communication device 5 to the central unit of the broadcast provider 9. For connecting the gateway to the central unit of the broadcast provider 9, in particular cable connections such as ISDN, DSL or PSTN connections, but also wireless connections via GSM, GPRS, UMTS or similar wireless Transmission technologies are used. The return channel 3 is a fallback interface, by means of which data and / or commands are transmitted from the mobile communication device 5 to the central unit of the broadcast provider 9 via the mobile radio network.

Es ist zu erwähnen, dass in einem erweiterten Ausführungsbeispiel zum oben genannten Ausführungsbeispiel Programme und/oder Daten, welche von der Broadcastsendeantenne 4 verbreitet und von einem Empfangsmodul 13 der Übertragungseinheit 1 empfangen werden erst nach einer Aufforderung seitens des mobilen Kommunikationsgeräts 5 aufs lokale drahtlose Netzwerk 100 übertragen werden.It is to be noted that, in an expanded embodiment of the above-mentioned embodiment, programs and / or data which are broadcast by the broadcast transmission antenna 4 and received by a reception module 13 of the transmission unit 1 only after a request from the mobile communication device 5 to the local wireless network 100 be transmitted.

Claims (13)

Verfahren zur Übertragung von Programmen und/oder Daten, die unidirektional von einem Broadcastsender 4 verbreitet werden, wobei das Broadcast-Signal in einem ersten Sendegebiet mit einer ersten Sendeleistung und in einem zweiten Sendegebiet mit einer zweiten Sendeleistung von einem mobilen Kommunikationsgerät 5 empfangen wird, dadurch gekennzeichnet,
dass im ersten Sendegebiet die Programme und/oder Daten von einem Empfangsmodul 13 einer Übertragungseinheit 1 empfangen und mittels eines Umwandlungsmoduls 14 der Übertragungseinheit 1 umgewandelt werden,
dass sich das mobile Kommunikationsgerät 5 mit einem Einwahlknoten eines lokalen drahtlosen Netzwerks 100 mit bidirektionaler Kommunikation im zweiten Sendegebiet verbindet,
dass die Programme und/oder Daten im zweiten Sendegebiet über eine Kommunikationsschnittstelle 15 der Übertragungseinheit 1 auf das lokale drahtlose Netzwerk 100 übertragen werden, und
dass die Programme und/oder Daten im zweiten Sendegebiet vom mobilen Kommunikationsgerät 5 über die Schnittstelle 55 des mobilen Kommunikationsgeräts zum lokalen drahtlosen Netzwerk 100 empfangen werden.Method for transmitting programs and / or data that are unidirectionally propagated by a broadcast transmitter 4, wherein the broadcast signal in a first transmission area with a first transmission power and in a second transmission area with a second transmission power is received by a mobile communication device 5, characterized in
that in the first transmission area the programs and / or data are received by a reception module 13 of a transmission unit 1 and converted by means of a conversion module 14 of the transmission unit 1,
that the mobile communication device 5 connects to a dial-up node of a local wireless network 100 with bidirectional communication in the second transmission area,
that the programs and / or data in the second coverage area over a communication interface 15 of the transfer unit 1 to the local wireless network 100 to be transmitted, and
that the programs and / or data in the second transmission area is received from the mobile communication apparatus 5 via the interface 55 of the mobile communication device to the local wireless network 100th Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Programme und/oder Daten im zweiten Sendegebiet vom mobilen Kommunikationsgerät 5 über die Schnittstelle 55 des mobilen Kommunikationsgeräts 5 zum lokalen drahtlosen Netzwerk und/oder über die Broadcast-Schnittstelle 56 empfangen werden.Method according to Claim 1, characterized in that the programs and / or data in the second transmission area are received by the mobile communication device 5 via the interface 55 of the mobile communication device 5 to the local wireless network and / or via the broadcast interface 56. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das mobile Kommunikationsgerät 5 ein Mobilfunkgerät für ein GSM- und/oder UMTS-Mobilfunknetz 110 ist, welches Mobilfunkgerät mittels eines Identifizierungsmoduls 53 im Mobilfunknetz 110 identifiziert wird.A method according to claim 1 or 2, characterized in that the mobile communication device 5 is a mobile device for a GSM and / or UMTS mobile network 110 is which mobile device is identified by means of an identification module 53 in the mobile network 110. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Programme und/oder Daten vom Typ DAB (Digital Audio Broadcast) und/oder DVB (Digital Video Broadcast) und/oder DVB-H (Digital Video Broadcast-Handheld) und/oder GPS (Global Positioning System) sind.Method according to one of Claims 1 to 4, characterized in that the programs and / or data of the type DAB (Digital Audio Broadcast) and / or DVB (Digital Video Broadcast) and / or DVB-H (Digital Video Broadcast Handheld) and or GPS (Global Positioning System). Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass Steuerungs- und/oder Kontrolldaten vom mobilen Kommunikationsgerät 5 mindestens teilweise über das lokale drahtlose Netzwerk 100 auf ein Kommunikationsmodul des Broadcastproviders 9 übertragen werden.Method according to one of claims 1 to 4, characterized in that control and / or control data from the mobile communication device 5 at least partially via the local wireless network 100 to a communication module of the broadcast provider 9 are transmitted. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine Mobilfunknetz-Schnittstelle 54 des mobilen Kommunikationsgeräts 5 als Fallback-Schnittstelle zum Kommunikationsmodul des Broadcastproviders 9 verwendet wird.Method according to one of claims 1 to 5, characterized in that a mobile network interface 54 of the mobile communication device 5 is used as a fallback interface to the communication module of the broadcast provider 9. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass mittels einer Eingabevorrichtung 52 des mobilen Kommunikationsgeräts 5 die zu verbreitenden Programme und/oder Daten selektiert werden.Method according to one of claims 1 to 6, characterized in that by means of an input device 52 of the mobile communication device 5 to be distributed programs and / or data are selected. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet,
dass vom mobilen Kommunikationsgerät 5 beim Eintritt ins zweite Sendegebiet eine Aufforderung zum Übertragen von Programmen und/oder Daten auf die Übertragungseinheit 1 übertragen wird,
dass die angeforderten Programme und/oder Daten von der Übertragungseinheit 1 über das lokale drahtlose Netzwerk 100 zum mobilen Kommunikationsgerät 5 gesendet werden.Method according to one of claims 1 to 7, characterized
that a request for the transmission of programs and / or data to the transmission unit 1 is transmitted by the mobile communication device 5 when it enters the second transmission area,
that the requested programs and / or data from the transmission unit 1 through the local wireless network 100 to the mobile communication device 5 are sent. Vorrichtung 1 zur Übertragung von Programmen und/oder Daten, die unidirektional von einem Broadcastsender 4 verbreitet werden, wobei das Broadcast-Signal aus einem ersten Sendegebiet mit einer ersten Sendeleistung in ein zweites Sendegebiet mit einer zweiten Sendeleistung zum mobilen Kommunikationsgerät 5 übertragen wird, dadurch gekennzeichnet,
dass sie ein Empfangsmodul 13 zum Empfang von Programmen und/oder Daten im ersten Sendegebiet umfasst,
dass sie ein Umwandlungsmodul 14 zum Umwandeln von Programmen und/oder Daten umfasst, und
dass sie eine Schnittstelle 15 zum Aussenden von umgewandelten Programmen und/oder Daten über ein bidirektionales lokales drahtloses Netzwerk 100 im zweiten Sendegebiet umfasst.Device 1 for transmitting programs and / or data, which are unidirectionally propagated by a broadcast transmitter 4, wherein the broadcast signal is transmitted from a first transmission area with a first transmission power in a second transmission area with a second transmission power to the mobile communication device 5, characterized .
that it comprises a receiving module 13 for receiving programs and / or data in the first transmission area,
that it comprises a conversion module 14 for converting programs and / or data, and
in that it comprises an interface 15 for transmitting converted programs and / or data via a bidirectional local wireless network 100 in the second transmission area. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Programme und/oder Daten vom Typ DAB (Digital Audio Broadcast) und/oder DVB (Digital Video Broadcast) und/oder DVB-H (Digital Video Broadcast-Handheld) und/oder GPS sind.Apparatus according to claim 7, characterized in that the programs and / or data of the type DAB (Digital Audio Broadcast) and / or DVB (Digital Video Broadcast) and / or DVB-H (Digital Video Broadcast Handheld) and / or GPS are , Vorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass das lokale drahtlose Netzwerk 100 im zweiten Sendegebiet ein WLAN 802.11-Netzwerk und/oder ein Bluetooth-Netzwerk ist.Device according to one of claims 7 or 8, characterized in that the local wireless network 100 in the second transmission area is a WLAN 802.11 network and / or a Bluetooth network. Mobiles Kommunikationsgerät 5 mit mindestens einer Schnittstelle zu einem lokalen drahtlosen Netzwerk 100 mit bidirektionaler Kommunikation und mindestens einer Broadcast-Schnittstelle zum Empfang von Programmen und/oder Daten, die unidirektional von einem Broadcastsender 4 verbreitet werden in einem ersten Sendegebiet mit einer ersten Sendeleistung und in einem zweiten Sendegebiet mit einer zweiten Sendeleistung, dadurch gekennzeichnet,
dass das mobile Kommunikationsgerät 5 beim Eintritt ins zweite Sendegebiet die Übertragungseinheit 1 auffordert Programme und/oder Daten über das lokale drahtlose Netzwerk 100 zu übertragen, wobei die Übertragungseinheit 1 die geforderten Programme und/oder Daten über das lokale drahtlose Netzwerk 100 an das mobile Kommunikationsgerät 5 sendet.Mobile communication device 5 having at least one interface to a local wireless network 100 with bidirectional communication and at least one broadcast interface for receiving programs and / or data that are unidirectionally propagated by a broadcast transmitter 4 in a first transmission area with a first transmission power and in one second transmission area with a second transmission power, characterized
that the mobile communication device 5 upon entry into the second transmission area, the transmission unit 1 requests programs and / or data via the local wireless network 100, wherein the transmission unit 1 sends the required programs and / or data via the local wireless network 100 to the mobile communication device 5. System umfassend mindestens einen Broadcastsender 4, der Programme und/oder Daten unidirektional verbreitet, dadurch gekennzeichnet,
dass das System mindestens eine Übertragungsvorrichtung 1 umfasst, welche Übertragungsvorrichtung die Programme und/oder Daten aus einem ersten Sendegebiet mit einer ersten Sendeleistung in ein zweites Sendegebiet mit einer zweiten Sendeleistung überträgt, wobei die Programme und/oder Daten im zweiten Sendegebiet über ein bidirektionales lokales drahtloses Netzwerk 100 zum mobilen Kommunikationsgerät 5 übertragen werden,
dass das System ein Kommunikationsmodul des Broadcastproviders 9 sowie Kommunikationsmodule 54/55 zur Kommunikation des mobilen Kommunikationgeräts 5 mit dem Kommunikationmodul des Broadcastproviders 9 umfasst, und
dass das Kommunikationsgerät 5 Eingabeelemente umfasst, mittels welcher Eingabeelemente Auswahldaten zum Selektieren von den zu übertragenden Programmen und/oder Daten aufs Kommunikationsmodul des Broadcastproviders 9 übertragen werden.System comprising at least one broadcast transmitter 4 which distributes programs and / or data unidirectionally, characterized
in that the system comprises at least one transmission device 1, which transmission device transmits the programs and / or data from a first transmission area with a first transmission power to a second transmission area with a second transmission power, the programs and / or data in the second transmission area being transmitted via a bidirectional local wireless network Network 100 are transmitted to the mobile communication device 5,
that the system comprises a communication module of the broadcast provider 9 and communication modules 54/55 for communication of the mobile communication device 5 with the communication module of the broadcast provider 9, and
that the communication device comprises input elements 5, by means of which input elements are selection data for selecting the programs to be transferred and / or data transmitted on the communication module of the broadcast provider. 9
EP04105974A 2004-11-22 2004-11-22 Digital Broadcast in areas with low transmission power Withdrawn EP1659792A1 (en)

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