CN1393785A - Data transmission system and method - Google Patents

Abstract

A data transmission system, in particular for electronic mail and multimedia data, comprises a set-top box connected to a television set. The set-top box may be used to transmit data over a telephone network. An input message is received from a broadcast network connected to a system of a plurality of servers connected to each other, and also connected to the internet and a telephone network.

Description

Translated fromChinese

数据传输系统和方法Data transmission system and method

发明领域field of invention

本发明涉及数据传输系统和方法。The present invention relates to data transmission systems and methods.

背景技术Background technique

近来，已经使用有线通信链路实现了通过电子邮件或声音或话音邮件服务器进行诸如文本、声音和其它格式的数据传输。目前，随着卫星通信的发展，使用无线方法来传送数据正在普及。这使得用于向终端用户传送数据的可选方式增加。More recently, data transmissions such as text, voice and other formats have been accomplished using electronic mail or voice or voice mail servers using wired communication links. Currently, with the development of satellite communication, data transmission using a wireless method is becoming popular. This increases the options for delivering data to end users.

个人接收或发布信息的能力变得越来越重要。接收信息(特别是被数字化传输的信息)的最常用方式是通过因特网。这其中特别包括使用电子邮件。与因特网并存有其它形式的现代通信技术，包括用于移动电话和寻呼机等等的联网通信。此外，更加传统并且更加常用的单向通信技术仍然是人类生活的非常重要的部分。这包括无线电和TV广播。对于发送者，为了保证诸如文本、声音、视频或图像等信息的接收，他必须知道接收者具有适当的设备和连接。接收者并不总是能使用用于接收上述信息格式的硬件，或者可能不在适当的网络上。为了接收信息，最通常的是需要诸如计算机、移动电话或寻呼机等的硬件，并且这些硬件必须适当地联网以可操作地接收信息。在希望发送或接收一个消息时，人们可能没有PC或者不能使用PC。此外，没有PC或有PC的发送者可能希望向在接收端的一个可能也没有PC的接收者发送一个消息。因此，在发送者和接收者所属的两个不同类型的网络之间需要存在一个接口。The ability of individuals to receive or distribute information becomes increasingly important. The most common way of receiving information, especially digitally transmitted information, is through the Internet. This specifically includes the use of e-mail. Alongside the Internet are other forms of modern communication technology, including networked communications for mobile phones and pagers, among others. Furthermore, more traditional and more commonly used one-way communication techniques are still a very important part of human life. This includes radio and TV broadcasts. For the sender, in order to guarantee receipt of information such as text, sound, video or images, he must know that the recipient has the appropriate equipment and connection. Recipients do not always have access to hardware for receiving the message formats described above, or may not be on the appropriate network. In order to receive information, hardware such as a computer, mobile phone or pager is most often required and must be suitably networked to be operable to receive the information. People may not have or have access to a PC when wishing to send or receive a message. Furthermore, a sender without or with a PC may wish to send a message to a recipient at the receiving end who may also not have a PC. Therefore, an interface needs to exist between two different types of networks to which the sender and receiver belong.

但是，近来人们已经着手解决硬件需求的问题。例如，提供了通过电视进行因特网访问的方式。电视机在很多国家仍然是一种作为人们生活娱乐的重要组成部分的装置。因此，通过标准电视机进行因特网访问为人们提供了可以在家中获得的多种多样的信息源。万维网TV将电视机功能与因特网浏览器功能集中在一起。这种集中是通过称为机顶盒(STB)的设备实现的。现有的TV机顶盒允许个人进行选择，以观看TV信号或者是将TV用于万维网浏览。尽管TV机顶盒的优点是个人无需具有PC就可以浏览网络，但是其数据交换仅限于一个浏览应用程序进行的数据交换。在万维网TV中不可能进行电子邮件之类的消息的发送和接收。Recently, however, people have addressed the issue of hardware requirements. For example, Internet access via television is provided. Television is still a device that is an important part of entertainment in people's lives in many countries. Thus, Internet access through a standard television set provides people with a variety of sources of information that are available at home. Web TV combines the functionality of a television set with the functionality of an Internet browser. This centralization is achieved through a device called a set-top box (STB). Existing TV set-top boxes allow an individual to choose to watch a TV signal or to use the TV for World Wide Web browsing. Although the TV set-top box has the advantage that individuals can browse the Internet without having a PC, its data exchange is limited to that of a browsing application program. Sending and receiving of messages such as e-mails is not possible in Web TV.

发明内容Contents of the invention

因此，本发明的一个目的是提供一种数据传输系统和方法，其允许使用标准的家用设备以用户友好方式发送和接收电子邮件。It is therefore an object of the present invention to provide a data transmission system and method which allow sending and receiving e-mails in a user-friendly manner using standard household equipment.

在本发明的第一方面，提供一种数据传输系统，包括：用于产生消息的装置；用于通过数据网络将消息产生装置连接到数据交换服务器的接口；用于处理连接到数据网络和广播网络的消息的装置；用于通过广播网络接收消息的装置；和用于显示从广播网络接收的消息的装置。In a first aspect of the present invention there is provided a data transmission system comprising: means for generating a message; an interface for connecting the message generating means to a data exchange server through a data network; for handling connection to the data network and broadcasting means for receiving messages from the broadcast network; and means for displaying messages received from the broadcast network.

消息产生装置可以是键盘、个人计算机或电话。广播网络最好是DVBC网络。可以在同一广播网络的用户之间或者在不同广播网络的用户之间发送消息。还可以通过因特网接收和发送消息。数据可以是一种或多种多媒体格式，例如声音、文本、视频或静止图像。The message generating device can be a keyboard, a personal computer or a telephone. The broadcast network is preferably a DVBC network. Messages may be sent between users of the same broadcast network or between users of different broadcast networks. Messages can also be received and sent over the Internet. Data can be in one or more multimedia formats, such as sound, text, video or still images.

本发明还涉及一种数据传输方法，包括以下步骤：通过第一公共网络将数据发送到数据交换服务器，并通过第二广播网络接收数据。The present invention also relates to a data transmission method, comprising the following steps: sending data to a data exchange server through a first public network, and receiving data through a second broadcast network.

还可以广义地说，本发明包括本申请的说明书中单独或共同提及或指示的部分、元件和特征，以及任何两个或多个所述部分、元件或特征的任何或所有组合。并且在此处提到的特定整数在本发明所涉及的领域中有已知等价值的情况下，这种已知等价值被认为已包含在本发明中，就如同将其单独写入说明书中一样。It can also be broadly said that the present invention includes the parts, elements and features mentioned or indicated in the specification of the application individually or jointly, and any or all combinations of any two or more of the parts, elements or features. And to the extent that a particular integer mentioned herein has a known equivalent in the art to which this invention pertains, such known equivalent is deemed to be incorporated in the present invention as if it were individually written into the specification Same.

以上描述了本发明，并且以下给出了其设计结构的示例。The present invention is described above, and examples of its design structures are given below.

附图说明Description of drawings

下面参照附图对本发明的一个优选形式进行说明。A preferred form of the present invention will be described below with reference to the accompanying drawings.

图1是提供同类网络用户之间以及与因特网的接口的优选形式的系统方框图；Figure 1 is a system block diagram of a preferred form of providing an interface between like network users and to the Internet;

图2是表示用于图1的系统方框图的优选通信链路的协议流程图；Figure 2 is a protocol flow diagram representing a preferred communication link for the system block diagram of Figure 1;

图3是专用于TV客户发送者和TV站(TV post)客户接收者之间的通信链路的协议流程图；Fig. 3 is a protocol flowchart dedicated to the communication link between the TV client sender and the TV station (TV post) client receiver;

图4是专用于TV客户发送者和因特网之间的、用于向因特网用户传送信息的通信链路的协议流程图；Figure 4 is a protocol flow diagram dedicated to the communication link between the TV client sender and the Internet for delivering information to Internet users;

图5是专用于TV客户发送者和因特网之间的、用于向另一个网络的TV站客户传送信息的通信链路的协议流程图。Figure 5 is a protocol flow diagram dedicated to the communication link between a TV client sender and the Internet for transmitting information to a TV station client of another network.

具体实施方式Detailed ways

本发明包括一种接口和系统(此后称为“TV”站)，其允许在TV站用户之间或TV站用户与电子邮件或因特网用户之间(通过接收并转发数据，还包括可选地存储)传送数据，特别是可能以文本、话音或图像媒体形式存在的消息。该系统依赖于一用户广播系统，该用户广播系统向系统用户提供通过该接口从/向同一广播网络的一个或多个用户、或该相同或附属用户网络的外部网络或其它因特网(包括电子邮件)用户接收/发送数据的能力。此处的数据最好是消息，并且此后将其称为“消息”。The present invention includes an interface and system (hereinafter referred to as a "TV" station) that allows communication between TV station users or between TV station users and e-mail or Internet users (by receiving and forwarding data, and optionally storing ) to convey data, especially messages which may be in the form of text, voice or image media. The system relies on a subscriber broadcast system that provides system users with access to the system via the interface from/to one or more subscribers of the same broadcast network, or external networks or other Internet (including electronic mail) of the same or affiliated subscriber network. ) the user's ability to receive/send data. The data here are preferably messages, and will be referred to as "messages" hereafter.

参考图1的系统方框图，TV站用户端可以包括用于从/向一输出/输入装置(例如电视机、电话和/或PC)传送数据的机顶盒STB或其它适当的数据传送接口。此外单独地或者与这些装置中的一个或多个装置相结合地提供一用于产生消息的辅助输入装置，例如键盘或麦克风。机顶盒STB最好带有一TV站客户模块，该TV站客户模块是一个用于管理TV站活动的客户侧的软件模块。Referring to the system block diagram of FIG. 1, the TV station client may include a set-top box STB or other suitable data transfer interface for transferring data from/to an output/input device (such as a TV, telephone and/or PC). Furthermore, alone or in combination with one or more of these devices, an auxiliary input device, such as a keyboard or a microphone, is provided for generating messages. The set-top box STB preferably has a TV station client module, which is a client-side software module for managing TV station activities.

用户终端/用户通过机顶盒STB接收消息，并且消息是从一广播网络(例如数字视频广播网络DVB)接收的。尽管数字视频广播网络DVB是优选的，但是本发明并不限于这种网络。The user terminal/user receives the message via a set top box STB and the message is received from a broadcast network (eg digital video broadcast network DVB). Although the digital video broadcasting network DVB is preferred, the invention is not limited to such a network.

可以从多种信息源中的一个或多个信息源通过TV站系统网络将消息发送到机顶盒STB，这些信息源包括同一广播网络上的类似TV站用户，不同广播网络的用户或者是电子邮件源。但是，消息要被递送到的网络必须具有专用地址递送功能(address specific deliveryfunctions)。Messages may be sent to the STB over the TV station system network from one or more of a variety of sources, including similar TV station users on the same broadcast network, users of different broadcast networks, or email sources . However, the network to which the message is to be delivered must have address specific delivery functions.

在消息路由的一个示例中，通过TV站服务器将消息路由到一用于广播的适当装置，以将消息递送到TV站用户终端(接收者)。被指定用于TV站用户的广播网络的该同一TV站服务器还处理将消息递送到TV站用户端的工作。可以在TV站用户终端产生消息，消息可以是诸如声音、文本、视频或静止图像的任何一种或多种多媒体格式。可以利用任何公知设备产生上述消息。In one example of message routing, the message is routed by the TV station server to an appropriate means for broadcast to deliver the message to the TV station user terminal (recipient). The same TV station server assigned to the TV station user's broadcast network also handles the delivery of messages to the TV station user's end. A message can be generated at the TV station user terminal, and the message can be in any one or more multimedia formats such as sound, text, video or still image. The above messages can be generated using any known device.

参考图1中显示的系统方框图，例如，显示了一个用于产生文本、话音或视频/静止图像的PC和一个用于产生声音的电话。另选地，可以将一个键盘连接到机顶盒STB以产生文本，例如，所产生的文本可以同时显示在电视机的屏幕上。将产生的数据发送到TV站服务器，以通过适当的通信连接向外发布。参考图1的示例，机顶盒STB利用公共交换电话网络PSTN并且也可能通过专用自动小交换机PABX拨叫一数据交换服务器DES。这种通信可以是话音邮件消息，文本消息或其它数据类型。利用图1所示系统，可以通过公共交换电话网络PSTN发送模拟格式的消息，并且可以在TV站服务器端将其转换为数字化格式。另选地，从机顶盒STB的传输可以已经是数字化格式。然后，最好将数据压缩并打包成TV站消息协议TPMP。Referring to the system block diagram shown in FIG. 1, for example, a PC for producing text, voice or video/still image and a telephone for producing sound are shown. Alternatively, a keyboard can be connected to the set-top box STB to generate text, for example, which can be simultaneously displayed on the screen of a television. The generated data is sent to the TV station server for external distribution through an appropriate communication link. Referring to the example of FIG. 1, the set-top box STB dials a data exchange server DES using the public switched telephone network PSTN and possibly also via a private automatic branch exchange PABX. Such communications may be voicemail messages, text messages or other data types. Using the system shown in Figure 1, messages in analog format can be sent over the public switched telephone network PSTN and converted to digital format at the TV station server side. Alternatively, the transmission from the set top box STB may already be in digital format. The data is then preferably compressed and packaged into the TV Station Message Protocol TPMP.

可以在数据交换服务器DES和机顶盒STB之间建立代替优选的PSTN的另选数据通信连接。可以有很多例子，包括卫星通信，ATM，ADSL，双向电缆网络，或适合于所用数据种类的任何其它类型通信。An alternative data communication connection instead of the preferred PSTN can be established between the data exchange server DES and the set-top box STB. There could be many examples including satellite communications, ATM, ADSL, two-way cable network, or any other type of communication suitable to the kind of data being used.

优选地，数据通信连接至少在初始阶段是双向连接。Preferably, the data communication connection is, at least initially, a bidirectional connection.

数据交换服务器DES向机顶盒STB请求关于所需服务的身份和标识的信息。对于所需服务的标识的请求可以确保机顶盒STB与数据交换服务器DES的连接是用于合适的TV站服务，而不是错误连接。身份信息请求可以包括机顶盒STB序列号，智能卡ID和/或登录口令。The data exchange server DES requests information from the set top box STB about the identity and identification of the required service. The request for the identification of the required service can ensure that the connection of the set top box STB to the data exchange server DES is for the proper TV station service and not a wrong connection. The identity information request may include STB serial number, smart card ID and/or login password.

数据交换服务器DES保持客户侧和服务器侧之间的数据同步。在系统操作期间，TV站系统首先通过PSTN或双向电缆系统中的上行链路调制解调器进行与数据交换服务器DES的连接。利用一连接命令，数据交换服务器DES识别该权利以及数据要被发送到TV站系统的何处。对于话音邮件服务器或接线员，该数据可以是话音消息，而对于TV站服务器，该数据可以是数字数据。数据交换服务器DES可以拒绝任何不相容命令或任何未授权的人使用该系统。数据交换服务器DES也是其它使用公共交换电话网络PSTN的应用(例如因特网接入，电子商务系统，CA系统等等)的服务器和数据路由。The data exchange server DES keeps the data synchronization between the client side and the server side. During system operation, the TV station system first makes a connection with the data exchange server DES through an uplink modem in the PSTN or two-way cable system. With a connect command, the data exchange server DES identifies the right and where in the TV station system the data is to be sent. For a voicemail server or operator, the data may be voice messages, and for a TV station server, the data may be digital data. The data exchange server DES can deny any incompatible order or any unauthorized person to use the system. The data exchange server DES is also a server and data router for other applications using the public switched telephone network PSTN (eg Internet access, electronic commerce systems, CA systems, etc.).

上述请求可以专用于所请求的TV站服务(例如提供一个或多个服务)，或者仅仅用于提供到TV站服务器的连接。一旦授权了一个连接，机顶盒STB用户就利用TV站命令与TV站服务器进行交互。这些命令最好由适当的协议提供，后面将对此进行说明。The above-mentioned request may be specific to the requested TV station service (eg, to provide one or more services), or simply to provide a connection to a TV station server. Once a connection is authorized, the STB user interacts with the TV station server using TV station commands. These commands are preferably provided by an appropriate protocol, which will be described later.

用户/用户终端的电话可以用于向TV站话音邮件服务器记录话音邮件消息，或者与TV站接线员交谈。电话最好还保持其通常的(即传统)电话功能。The user/user terminal's phone can be used to record a voicemail message to the TV station voicemail server, or to talk to a TV station operator. The phone preferably also maintains its usual (ie traditional) phone functionality.

另选地，TV站服务器可以接收通过因特网发送的消息。本发明将允许利用TV站服务器把通过因特网发送的消息递送到机顶盒STB。Alternatively, the TV station server may receive messages sent over the Internet. The invention will allow the delivery of messages sent over the Internet to a set top box STB using a TV station server.

在接收到来自TV站客户或因特网的消息后，TV站服务器开始将消息递送到适当的目的。下面将讨论这些递送模式。Upon receiving a message from a TV station client or the Internet, the TV station server starts delivering the message to the appropriate destination. These delivery modes are discussed below.

来自用户终端的传输必须指明接收者地址。本发明的系统允许一个TV站用户向其它TV站用户发送，以及通过因特网向因特网用户或其它消息递送服务(包括远离发送者的TV站网络的TV站网络)的用户发送。在任一种情况下，消息都必须指定一个地址。例如，如果该消息是指向因特网电子邮件用户或者该消息是指向另一个网络，那么接收者地址可能需要指定一个具体的电子邮件或IP地址。然后适当地递送该消息，其中该消息最好已经存储在TV站服务器中并且已经被转换为适当的协议(TV站消息协议TPMP)。本发明至少可以将三种选项之一用于从TV站服务器发布所存储的数据。这取决于接收者的位置。图2的优选协议流程图总体表示了这三种优选选项。TV站服务器到机顶盒(TV站客户接收者)Transmissions from user terminals must specify the address of the recipient. The system of the present invention allows one TV station user to send to other TV station users, as well as send over the Internet to Internet users or users of other message delivery services, including TV station networks remote from the sender's TV station network. In either case, the message must specify an address. For example, if the message is directed to an Internet email user or if the message is directed to another network, the recipient address may need to specify a specific email or IP address. The message is then delivered appropriately, wherein the message is preferably already stored in the TV station server and has been converted into the appropriate protocol (TV station message protocol TPMP). The present invention can use at least one of three options for distributing stored data from the TV station server. It depends on the recipient's location. The preferred protocol flow diagram of Figure 2 generally represents these three preferred options. TV station server to set-top box (TV station client receiver)

参照图3中显示的具体协议流程图更详细地说明第一选项。在该示例中，TV站服务器已经注意到发送者指定的接收者地址是同一网络的一个TV站用户的地址。利用机顶盒数据交换协议SDEP将一个消息通过机顶盒STB和公共交换电话网络PSTN发送到TV站系统。TV站服务器通过适当的协议(TV站消息协议TPMP)发送该消息。在确定出该消息分组是指向一个位于本地TV站网络中的接收者后，TV站服务器将TPMP分组传送到用于通过网络广播数据的前端数据广播服务器。The first option is explained in more detail with reference to the specific protocol flow diagram shown in FIG. 3 . In this example, the TV station server has noticed that the recipient address specified by the sender is that of a TV station user of the same network. A message is sent to the TV station system via the set-top box STB and the public switched telephone network PSTN using the set-top box data exchange protocol SDEP. The TV station server sends this message via a suitable protocol (TV station message protocol TPMP). After determining that the message packet is directed to a recipient located in the local TV station network, the TV station server transmits the TPMP packet to the headend data broadcast server for broadcasting data over the network.

作为示例，这种情况中的网络是DVB电缆网络，该网络例如可以利用DVB数据传送协议DTP传送数据。如果该消息的接收者未能使机顶盒STB工作，DVB前端可以以一定时间间隔重复该数据的广播，直到该数据被适当的机顶盒STB接收。As an example, the network in this case is a DVB cable network, which can eg transmit data using the DVB data transfer protocol DTP. If the receiver of the message fails to have the set-top-box STB operational, the DVB head-end may repeat the broadcast of the data at certain time intervals until the data is received by the appropriate set-top-box STB.

在广播期间，由与TV站邮件地址匹配的机顶盒STB的TV站客户(接收者)捕获DVB分组并进行解码，以确保消息只能由适当的接收者打开。可以将整个消息发送到机顶盒STB，例如，以立即在电视机上显示。另选地，可以在将需要由TV站客户前摄取出整个消息的电视机上显示一个通知。可以对系统进行设置以区分所要发送的消息类型。作为示例，如果一个消息分组小于4千字节，那么可以将整个消息发送到机顶盒用户。如果该消息包含多媒体附件(即，其包含两个部分)，或者如果该消息较大，那么可以将下一个通知消息发送到机顶盒用户，以通知TV站客户从服务器取出该附件或整个消息。TV站服务器到因特网During broadcast, the DVB packets are captured and decoded by the TV station client (recipient) of the set top box STB matching the TV station mail address to ensure that the message can only be opened by the appropriate recipient. The entire message can be sent to a set-top box STB, for example, for immediate display on a television. Alternatively, a notification may be displayed on the television that will require the entire message to be ingested by the TV station client. The system can be set to differentiate the type of message being sent. As an example, if a message packet is less than 4 kilobytes, the entire message may be sent to the set-top box user. If the message contains a multimedia attachment (i.e., it contains two parts), or if the message is large, a next notification message can be sent to the set-top box user to inform the TV station client to fetch the attachment or the entire message from the server. TV station server to the Internet

参考图4，从TV站客户(发送者)到TV站服务器的初始消息传输实质上与参考图3解释的相同。Referring to FIG. 4 , the initial message transmission from the TV station client (sender) to the TV station server is substantially the same as explained with reference to FIG. 3 .

检查TV站服务器的TPMP消息分组以确定接收者是否位于TV站网络外部。如果接收者在TV站网络外部，并且该消息指定一个因特网电子邮件地址，那么TV站服务器将提取TPMP消息并将其重打包到一个因特网电子邮件分组，以通过简单邮件传送协议SMTP在因特网上传输。然后，TV站系统的因特网服务器将该数据传送到因特网。在此，通过通常的电子邮件/因特网路由发布该数据，以递送到适当的因特网服务提供者ISP。TV站服务器到另一个网络上的TV站客户The TPMP message packets of the TV station server are checked to determine if the recipient is outside the TV station network. If the recipient is outside the TV station network and the message specifies an Internet email address, the TV station server will extract the TPMP message and repackage it into an Internet email packet for transmission over the Internet via the Simple Mail Transfer Protocol SMTP . Then, the Internet server of the TV station system transmits the data to the Internet. Here, the data is distributed via the usual email/Internet routing for delivery to the appropriate Internet Service Provider ISP. TV station server to TV station client on another network

作为对从TV站服务器到因特网的消息递送的扩展，可以将消息指向一个不同网络的TV站客户(接收者)并通过因特网路由选择。As an extension to message delivery from the TV station server to the Internet, messages can be directed to a TV station client (recipient) of a different network and routed through the Internet.

如图4所示，TV站服务器将通过因特网把消息路由选择到一个不同TV站服务器(接收者侧)的因特网服务器。这种类型的传输将需要机顶盒STB(发送者侧)提供一个因特网地址，该地址标识出TV站服务器(接收者侧)的位置。参考图5的流程图，通过接收者侧的TV站系统的因特网服务器接收通过因特网递送的消息。因特网服务器和/或邮件服务器(参见图1的方框图)监视具有适当地址格式(例如name/yy@tvpost.com)的输入因特网电子邮件消息。接收者侧的TV站服务器维护一个映射因特网电子邮件地址和TV站邮件地址薄的数据库。TV站服务器检查该输入因特网电子邮件消息。如果在TV站服务器中找到该因特网电子邮件地址，那么提取该电子邮件消息。将提取的消息与映射的TV站邮件地址一起再打包成适当的协议(TPMP，DTP)格式。此时，就可以通过广播系统(例如参考图3详细说明的DVBC网络)在TV站网络上发送该消息分组。As shown in Figure 4, the TV station server will route the message over the Internet to an Internet server of a different TV station server (recipient side). This type of transmission will require the set top box STB (sender side) to provide an Internet address which identifies the location of the TV station server (receiver side). Referring to the flowchart of FIG. 5, the message delivered through the Internet is received by the Internet server of the TV station system on the recipient side. An Internet server and/or mail server (see block diagram of Figure 1) monitors incoming Internet email messages with an appropriate address format (egname/yy@tvpost.com) . The TV station server on the receiver's side maintains a database mapping Internet email addresses and TV station mail address books. The TV station server checks for the incoming Internet email message. If the Internet email address is found in the TV station server, the email message is extracted. The extracted message is repackaged into the appropriate protocol (TPMP, DTP) format together with the mapped TV station email address. At this point, the message packet can be sent over the TV station network via a broadcast system (such as the DVBC network described in detail with reference to FIG. 3).

Claims (16)

1. data transmission system comprises:

Be used to produce the device of message;

Be used for the message generation device being connected to the interface of a data exchange service device by a data network;

Be used to handle the device of the message that is connected to a data network and a radio network;

Be used for receiving the device of message by radio network; With

Be used to show device from the message of radio network reception.

2. according to the system of claim 1, wherein said data are Emails, and described message generation device is the keyboard that is connected to a set-top box.

3. according to the system of claim 1, wherein utilize the personal computer that is connected to a set-top box to produce described data.

4. according to the system of claim 1, wherein utilize the phone that is connected to a set-top box to produce described data.

5. according to the system of above-mentioned any one claim, wherein said radio network is the DVBC network.

6. according to the system of above-mentioned any one claim, wherein between a plurality of users of same radio network, transmit described data.

7. according to any one system in the claim 1 to 5, wherein between the user of different radio networks, transmit described data.

8. according to the system of above-mentioned any one claim, the wherein said device that is used for processing messages is connected to the Internet.

9. according to the system of above-mentioned any one claim, wherein said data are any or multiple multimedia form, for example sound, text, video or rest image.

10. according to the system of above-mentioned any one claim, the interface of connection message generation device and provide by a set-top box wherein by the device that radio network receives message, this set-top box is utilized PSTN to dial and is a data exchange service device.

11. according to the system of claim 10, wherein said data exchange service device from the set-top box request about the identity of required service and the information of type.

12. according to the system of above-mentioned any one claim, wherein a TV site server is sent to a front end data broadcasting server with data, this front end data broadcasting server is broadcasted this data by described radio network.

13. according to the system of claim 12, comprise an Internet server, an e-mail server, a voice mail server and is connected to the DVB broadcast data server of a DVBC network by the DVBC front end.

14. according to the system of above-mentioned any one claim, the wherein said device that is used for display message shows described message immediately on a television screen.

15. according to any one system in the claim 1 to 13, consider and just from server, to take out an annex of whole message or message after a while, therefore only on a television screen, show the notice of an input message.

16. a data transmission method may further comprise the steps: by first public network data are sent to a data exchange service device, processing messages in a suitable server system then, and finally receive data by a radio network.

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