WO2011140758A1 - 一种转发电视节目的方法、电视Modem服务器及电视网络系统 - Google Patents

一种转发电视节目的方法、电视Modem服务器及电视网络系统 Download PDF

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Publication number
WO2011140758A1
WO2011140758A1 PCT/CN2010/076107 CN2010076107W WO2011140758A1 WO 2011140758 A1 WO2011140758 A1 WO 2011140758A1 CN 2010076107 W CN2010076107 W CN 2010076107W WO 2011140758 A1 WO2011140758 A1 WO 2011140758A1
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WIPO (PCT)
Prior art keywords
television
user
television program
receiving
user terminal
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PCT/CN2010/076107
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English (en)
French (fr)
Inventor
王胜娟
徐彦琦
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中兴通讯股份有限公司
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Publication of WO2011140758A1 publication Critical patent/WO2011140758A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method for forwarding a television program, a television modem server, and a television network system.
  • the present invention provides a method for forwarding a television program, a television modem server, and a television network system, so that a mobile terminal that does not have a multimedia television function can also conveniently watch television.
  • the present invention provides a television modem server for forwarding a television program to a user terminal having a wireless communication function, including:
  • a wireless communication module configured to establish wireless communication with the user terminal
  • Receiving a broadcast television signal function module configured to receive the television program to be viewed by the user after receiving the information of the television program to be viewed by the user terminal, and send the received television program to the user terminal.
  • the above-mentioned television modem server may further include a transcoding function module, wherein the receiving broadcast television signal function module may be configured to: after receiving the television program to be viewed by the user, output the received television program to the transcoding function module, Transmitting the television program to the user terminal by using the transcoding function module; the transcoding function module is configured to convert the received television program into a predetermined video format after receiving the television program, and then convert the converted television program Send to the user terminal.
  • the above-mentioned television modem server may further include a mobile communication module and a data descrambling function module, wherein the receiving broadcast television signal function module may be further configured to: after receiving the information of the television program to be viewed by the user, determine the television to be viewed by the user Whether the program is a scrambled television program, if yes, outputting an authentication message to the mobile communication module; and receiving the authentication success message output by the mobile communication module, receiving the scrambled television program, and transmitting the received scrambled television program to The data descrambling function module; the mobile communication module may be configured to: after receiving the authentication message, send the user information to the network side for authentication, and if the network side returns the authentication success message, receive the broadcast television signal function module. The authentication success message is output; the data descrambling function module can be configured to descramble the scrambled television program, and then output the descrambled television program to the transcoding function module.
  • the above-mentioned television modem server may further include a webpage content management server, and the webpage content management server may be configured to: manage locally available television program content, and send the list of available television programs to the user terminal through the wireless communication module; And after receiving the request for watching the television program sent by the user terminal, transmitting the information of the television program to be viewed by the user to the receiving broadcast television signal function module.
  • the webpage content management server may be configured to: manage locally available television program content, and send the list of available television programs to the user terminal through the wireless communication module; And after receiving the request for watching the television program sent by the user terminal, transmitting the information of the television program to be viewed by the user to the receiving broadcast television signal function module.
  • the wireless communication module can be a Wifi function module or a Bluetooth function module.
  • the present invention also provides a television network system, including the above-mentioned television modem server and a user terminal having a wireless communication function, wherein
  • the television modem server is arranged to receive the television program according to the request of the user terminal, and convert the received television program into a predetermined video format, and then transmit the television program to be viewed by the user to the user terminal.
  • the television network system may further include a user management server, wherein the television modem server may be further configured to: determine whether the television program to be viewed by the user is a scrambled television program, and if yes, send the user information to the user management server; After receiving the authentication success message sent by the user management server, receiving the scrambled television program; the user management server may be configured to: receive the user letter After the information is obtained, the user information is authenticated. If the user has opened the information for viewing the scrambled television program, the authentication success message is sent to the television modem server.
  • the present invention also provides a method for forwarding a television program, based on the above-described television modem service, comprising:
  • the television program to be viewed by the user After receiving the information of the television program to be viewed by the user sent by the user terminal, the television program to be viewed by the user is received, and the received television program is sent to the user terminal.
  • the above method may further include: converting the television program into a predetermined video format before the step of transmitting the received television program to the user terminal.
  • the method may further include:
  • the user information is sent to the network side for authentication, and the scrambled television program is received only when the network side returns the authentication success message.
  • the method may further include: after the step of establishing wireless communication with the user terminal, transmitting: the list of available television programs to the user terminal.
  • the present invention provides a method for forwarding a television program, a TV modem server, and a television network system, and a television type base station is established by using a modem (Modem), so that a mobile terminal that does not have a multimedia television function can also be used. Convenient to watch TV.
  • modem Modem
  • FIG. 1 is a schematic diagram of a television network system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a TV Modem server according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a method for forwarding a television program according to the present invention.
  • FIG. 4 is a flow chart of an embodiment of a method of forwarding a television program of the present invention.
  • Preferred embodiment of the invention At present, the functions of mobile terminals (such as mobile phones) are becoming more and more advanced, and mobile terminals are becoming more and more popular in people's daily lives, especially the promotion and use of wifi technology, so that people can easily link terminals through wireless technology. , forming a local wireless network.
  • the development of IT technology and communication technology has provided people with an increasingly convenient way to obtain the information that people want to obtain, and to make the previous dreams more realistic and serve people.
  • the present invention provides a simple and economical television network, so that the mobile terminal can be anytime and anywhere. Watch your favorite TV shows.
  • the television network system of this embodiment may include: a modem modem (Modem) server, a user management server, and a user terminal having a wireless communication function. .
  • Modem modem modem
  • user management server a user terminal having a wireless communication function.
  • the TV Modem server has a wireless communication function and can perform wireless communication with the user terminal; has a mobile multimedia broadcast receiving chip, can receive a television program according to a request of the user terminal; and has a transcoding function, which can convert the television program into a predetermined video format, For example, a video format that meets the requirements of the user terminal is then sent to the user terminal for the television program to be viewed by the user.
  • User Management Server A TV program provided by a communication and content provider to control user access.
  • TV programs have the distinction between scrambling and non-scrambling: For non-scrambled TV programs, users can watch without registration; for scrambled TV programs, users may have to pay a certain service fee to watch. The length of the service fee can be determined by the user management server provider. The most common ones are the monthly service fee cycle and the service fee cycle.
  • the user management server queries whether the user has opened the information for watching the scrambled television program, and if yes, sends an authentication success message to the television modem server, and may respond to the scrambled television program. The user performs charging control.
  • the above user terminal does not need to have a TV function, and only needs to have a short-range wireless communication function, for example, a wifi function or a Bluetooth function.
  • a general terminal such as a mobile phone, has a streaming media player, and the user can see the favorite TV section in real time through the streaming media player of the terminal.
  • the TV Modem server of this embodiment may include the following functional modules: a receiving broadcast television signal function module, a wireless communication module, a transcoding function module, a data descrambling function module, a mobile communication module, and a web content management.
  • the server and the streaming media server, the TV Modem server of this embodiment can be accessed by the terminal as a television base station, and serves as a server of a local area television network, and provides a television program and an Internet access function for the ordinary terminal.
  • the wireless communication module such as a Wifi function module or a Bluetooth function module, is set to establish wireless communication with the user terminal.
  • the receiving broadcast television signal function module is configured to receive the television program to be viewed by the user after receiving the information of the television program to be viewed by the user terminal, and receive the television program to be viewed by the user through the television chip, and send the received television program to the user terminal.
  • Transcoding function module Since the broadcast TV content has the distinction between standard definition and high definition, for a more portable terminal, such as a mobile phone, the size of the universal video format that can be played is: 320 X 240 (pixels), which must be for high-definition TV content.
  • the conversion format is made to be received by a normal user terminal in a common format.
  • Mobile communication module For scrambling TV programs, the TV Modem server needs to judge the authority of the end user, and then decide whether to let the user watch the TV program. This requires the mobile communication module to interact with the user management server via HTTP or wap to the end user. Perform authentication.
  • the mobile communication module sends the user information to the network side (for example, the user management server) for authentication, and if the network side returns the authentication success message, outputs an authentication success message to the receiving broadcast television signal function module.
  • the receiving broadcast television signal function module starts receiving the scrambled television program after receiving the authentication success message, and then transmits the scrambled television program to the data descrambling function module.
  • the data descrambling function module is configured to descramble the scrambled television program, and then output the descrambled television program to the transcoding function module.
  • the webpage content management server (Web Server) is configured to manage the locally available television program content, and send the list of available television programs to the user terminal through the wireless communication module; when receiving the request for watching the television program sent by the user terminal, The receiving broadcast television signal function module transmits information of the television program to be viewed by the user.
  • the TV modem server of this embodiment may further include a streaming media server, which may be used to cache the TV program streaming media converted by the transcoding function module, and send the TV program streaming media to be viewed by the user to the user terminal through the wireless communication module.
  • FIG. 3 is a flowchart of a method for performing television program forwarding by using the above-mentioned TV Modem server. As shown in the figure, the method may include the following steps:
  • the TV modem server establishes wireless communication with the user terminal
  • the TV Modem server may send a list of available TV programs to the user terminal within its service area for the user to select to watch the television program.
  • step S200 the method further comprises: converting the received television program into a predetermined video format, such as a video format common to a common mobile phone, so that the ordinary user terminal can also receive the television festival.
  • a predetermined video format such as a video format common to a common mobile phone
  • step S200 the method further includes: determining whether the television program to be viewed by the user is a scrambled television program, and if yes, transmitting user information corresponding to the scrambled television program to the network side for authentication, if receiving the network side Returning the authentication success message, the scrambled television program is received.
  • a television type base station is established by using a modem (Modem), so that a mobile terminal that does not have a multimedia television function can also conveniently watch television.
  • Modem modem
  • the television network system of this embodiment can be deployed in a public place, such as a shopping mall, a coffee shop, a tea bar, an airport, or a community.
  • the television modem server and the mobile terminal in this embodiment have a wifi function.
  • the method for forwarding a television program by using the television network system of this embodiment is shown in FIG. 4, and may include the following steps:
  • the TV modem server accesses the wifi-enabled terminal Push in its service area to view the content page of the television.
  • the wifi function in the TV Modem server pushes the address of the web server (web content management server) to the terminal.
  • the terminal After receiving the message, the terminal links to the built-in Web server of the TV Modem server through the wifi; When the terminal links to the TV Modem server, the terminal number (mobile phone number), or IMEI (International Mobile Equipment Identity), or other identifier for identifying the user identity is sent to the TV Modem server;
  • the terminal number mobile phone number
  • IMEI International Mobile Equipment Identity
  • the user can select a program to be viewed through the channel and program content displayed on the terminal web page, and send the program to the TV modem server.
  • the TV modem server determines whether the channel selected by the user is scrambled, if scrambled, then proceeds to step S15; if there is no scrambling, then proceeds to step S19;
  • the TV Modem server needs to access the operator's user management server through the mobile communication network, and send the user identifier of the mobile terminal to the user management server to query whether the user has permission to view the scrambled program. If the user does not open the permission, then go to step S16; if the user has opened the permission, then go to step S18;
  • the user management server determines that the mobile phone user has not opened the permission to view the scrambled program at this time, and sends a message to the terminal whether the subscription is required through the mobile communication network;
  • step S18 If the user needs to subscribe to the scrambled program, return the message confirming the order to the user management server through the terminal, and then go to step S18; if the user does not need to subscribe to the scrambled program, return the message not ordered to the terminal through the terminal.
  • User management server then proceeds to step S22;
  • the user management server carries the terminal user identifier to notify the television modem that the terminal user can open the permission to view the scrambled program.
  • the user management server checks the payment method information of the user, and if the payment method of the user is paying for the time, the payment timing is started, and the charging control is performed.
  • the receiving function of the broadcast television signal of the TV Modem server starts to receive the TV program.
  • the TV Modem server first descrambles the scrambled program stream, and then converts the high-rate TV festival;
  • the television program can be converted into a low-rate video format by using a transcoding module, for example, converted into an RTP (Real Time Protocol) format, so that the user terminal and The server obtains the content of the television program in a streaming format.
  • a transcoding module for example, converted into an RTP (Real Time Protocol) format, so that the user terminal and The server obtains the content of the television program in a streaming format.
  • RTP Real Time Protocol
  • cmmb China Mobile Multimedia Broadcasting, China Mobile Digital Multimedia broadcast
  • its own video format is ⁇ .264, low bit rate, can not be converted
  • European DVB-T TV standard or SD / HD TV signals you need to convert the format to h264 with lower bit rate Format (mobile phone generally supports h264, other formats are not necessarily supported, and the code rate is too high, the phone performance cannot be processed).
  • the terminal and the TV modem server establish a streaming media link, and the terminal obtains the converted real-time media data from the TV Modem server for playing;
  • step S13 If the user performs the channel change operation, the process proceeds to step S13.
  • the terminal When the user finishes watching the television program, the terminal sends a message to the TV Modem server to end the viewing of the program.
  • the TV modem server further determines whether the television program that the terminal ends watching is a scrambled television program, and if so, sends an end viewing message to the user management server, and the user management server receives After the end of the viewing message, the user information is recorded. Further, if the user management server determines that the payment method of the user is a long-term payment, the charging process is performed, and the bill is issued.
  • the television server can send a message to the user management server to log out of the user information, and record the information of the user.
  • the user management server sends a message to the television server that the user does not subscribe to the program.
  • the television server After receiving the message that the user does not subscribe to the program, the television server prompts the user to not view the information of the program or the like.
  • the method for forwarding a television program, the TV modem server and the television network system provided by the present invention establish a cell-type television base station by using a modem (Modem), and can make a mobile terminal that does not have a multimedia television function. It is also convenient to watch TV.
  • modem Modem

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

一种转发电视节目的方法、 电视 Modem服务器及电视网络系统
技术领域
本发明涉及无线通信领域， 特别涉及一种转发电视节目的方法、 电视 Modem服务器及电视网络系统。
背景技术
信息技术发展到现在的阶段， 人们可以通过各种各样的渠道收看到丰富 多彩的电视节目。 在家里可以通过电视机收看电视节目， 或者通过网络收看 到提前录制好的电视节目； 在路上可以通过公共电视设备收看电视节目， 甚 至， 可以通过手机收看电视节目。 当然了， 这些手机都是必须具备电视信号 接收芯片才能收看到电视节目。 通信技术从 2G发展到 3G时代， 提供了越来 越多的途径来收看电视节目。 在国内， 可以通过具备电视功能的手机随时随 地的收看 CMMB ( China Mobile Multimedia Broadcasting , 中国移动数字多媒 体广播）电视节目， 也可以通过电视卡、 PC机器收看电视节目。 在国外， 同 样可以通过无线电视信号， 随时随地的收看电视节目。 如果想随时随地的收 看到这些丰富的电视节目，那么终端必须具备电视功能才能收看到电视节目。
发明内容
本发明提供一种转发电视节目的方法、电视 Modem服务器及电视网络系 统， 以使普通不具备多媒体电视功能的移动终端也能便捷的收看电视。
为了解决上述技术问题， 本发明提供了一种电视调制解调服务器， 用于 向具备无线通信功能的用户终端转发电视节目， 包括：
无线通信模块， 其设置成与用户终端建立无线通信； 及
接收广播电视信号功能模块， 其设置成接收到用户终端发送的用户待观 看的电视节目的信息后， 接收用户待观看的电视节目， 并将接收到的电视节 目发送给用户终端。 上述电视调制解调服务器还可包括转码功能模块， 其中， 接收广播电视 信号功能模块可设置成： 在接收到用户待观看的电视节目后， 将接收到的电 视节目输出给转码功能模块， 以通过所述转码功能模块将该电视节目发送给 用户终端； 转码功能模块可设置成接收到电视节目后， 将接收到的电视节目 转换成预定的视频格式， 然后将转换后的电视节目发送给用户终端。 上述电 视调制解调服务器还可包括移动通信模块和数据解扰功能模块， 其中， 接收 广播电视信号功能模块还可设置成：接收到用户待观看的电视节目的信息后， 判断用户待观看的电视节目是否是加扰电视节目， 若是， 则向移动通信模块 输出鉴权消息； 以及接收到移动通信模块输出的鉴权成功消息后， 接收加扰 电视节目， 将接收到的加扰电视节目发送给数据解扰功能模块； 移动通信模 块可设置成： 接收到鉴权消息后， 将用户信息发送给网络侧进行鉴权， 若接 收到网络侧返回鉴权成功消息， 则向接收广播电视信号功能模块输出该鉴权 成功消息； 数据解扰功能模块可设置成对加扰电视节目进行解扰， 然后将解 扰后的电视节目输出给转码功能模块。
上述电视调制解调服务器还可包括网页内容管理服务器， 该网页内容管 理服务器可设置成： 管理本地可供观看的电视节目内容， 通过无线通信模块 将可供观看的电视节目清单发送给用户终端； 以及接收到用户终端发来的观 看电视节目的请求后， 向接收广播电视信号功能模块发送用户待观看的电视 节目的信息。
无线通信模块可以为 Wifi功能模块或蓝牙功能模块。
本发明还提供了一种电视网络系统， 包括上述的电视调制解调服务器和 具有无线通信功能的用户终端， 其中，
所述电视调制解调服务器设置成根据用户终端的请求接收电视节目， 并 将接收到的电视节目转换成预定的视频格式， 然后将用户待观看的电视节目 发送给用户终端。
上述电视网络系统还可包括用户管理服务器， 其中， 电视调制解调服务 器还可设置成： 判断用户待观看的电视节目是否是加扰电视节目， 若是， 则 将用户信息发送给用户管理服务器； 以及接收到用户管理服务器发送的鉴权 成功消息后， 接收加扰电视节目； 用户管理服务器可设置成： 接收到用户信 息后， 对用户信息进行鉴权， 若查询到用户已开通观看加扰电视节目的信息， 则向电视调制解调服务器发送鉴权成功消息。
本发明还提供了一种转发电视节目的方法， 基于上述电视调制解调服务 器实现， 包括：
与用户终端建立无线通信；
接收到用户终端发送的用户待观看的电视节目的信息后， 接收用户待观 看的电视节目， 并将接收到的电视节目发送给用户终端。
上述方法在将接收到的电视节目发送给用户终端的步骤之前还可包括： 将电视节目转换成预定的视频格式。
在接收到用户终端发送的用户待观看的电视节目的信息后， 该方法还可 包括：
判断用户待观看的电视节目是否是加扰电视节目， 若是， 则向网络侧发 送用户信息进行鉴权， 只有在接收到网络侧返回鉴权成功消息时， 才接收加 扰电视节目。
上述方法在与用户终端建立无线通信的步骤之后还可包括： 将可供观看 的电视节目清单发送给用户终端。
综上，本发明提供的一种转发电视节目的方法、 电视 Modem服务器及电 视网络系统， 利用电视调制解调 （Modem )建立小区式电视基站， 可以使普 通不具备多媒体电视功能的移动终端也能便捷的收看电视。
附图概述
图 1为本发明实施例的电视网络系统的示意图；
图 2为本发明实施例的电视 Modem服务器的示意图；
图 3为本发明的转发电视节目的方法的流程图；
图 4为本发明的转发电视节目的方法的实施例的流程图。
本发明的较佳实施方式 目前移动终端 （例如手机） 的功能越来越高级， 动终端上网也越来越普 及到人们的日常生活中， 尤其是 wifi技术的推广和使用， 使得人们可以方便 地通过无线技术将终端链接起来， 形成一个局部的无线网络。 IT技术和通讯 技术的发展为人们提供了越来越便捷的方式以获取人们所希望获取到的信 息， 也使得以前的梦想更多的变为现实服务于人们。 为了利用现有的技术使 普通的移动终端 （不具备电视信号接收功能） 能够简单而经济收看喜欢的电 视节目， 本发明提供了一种即简单又经济的电视网络， 以使移动终端能够随 时随地收看所喜欢的电视节目。
下面结合附图及实施例对本发明的技术方案进行更详细的说明。
图 1为本发明实施例的电视网络系统的示意图， 如图 1所示， 本实施例 的电视网络系统可以包括： 电视调制解调 （Modem )服务器、 用户管理服务 器和具有无线通信功能的用户终端。
电视 Modem服务器，具有无线通信功能，可以与用户终端进行无线通信； 具有移动多媒体广播接收芯片， 可以根据用户终端的请求接收电视节目； 具 有转码功能 ， 可以将电视节目转换成预定的视频格式， 例如， 符合用户终端 要求的视频格式， 然后将用户待观看的电视节目发送给用户终端。
用户管理服务器： 由通讯和内容提供商所提供， 用于控制用户访问的电 视节目。 电视节目有加扰和非加扰的区别： 对于非加扰的电视节目， 用户无 需注册就可以收看； 对于加扰的电视节目， 用户可能需要支付一定的服务费 用才能收看。 服务费用的时间长短可以由用户管理服务器提供者来制定， 最 常见的就是包月和包年两种服务费用周期， 也可以是按时长计费。
具体地，用户管理服务器查询用户是否已开通观看加扰电视节目的信息， 若已开通， 则向所述电视调制解调服务器发送鉴权成功消息， 并且可以对与 该加扰电视节目相的应的用户进行计费控制。
上述用户终端不需要具备电视功能， 只需要具备短距离无线通信功能， 例如具备 wifi功能或蓝牙功能就可以。 一般的终端， 比如手机都具有流媒体 播放器， 用户通过终端的流媒体播放器就可以实时看到用户所喜欢的电视节 。 如图 2所示，本实施例的电视 Modem服务器可以包括以下几个功能模块： 接收广播电视信号功能模块、 无线通信模块、 转码功能模块、 数据解扰 功能模块、 移动通信模块、 网页内容管理服务器和流媒体服务器， 本实施例 的电视 Modem服务器作为电视基站能够被终端所访问，作为一个局域电视网 络的服务器， 为普通终端提供观看电视节目和上网功能。
其中， 无线通信模块， 例如 Wifi功能模块或蓝牙功能模块， 设置成与用 户终端建立无线通信。
接收广播电视信号功能模块设置成接收到用户终端发送的用户待观看的 电视节目的信息后， 通过电视芯片接收用户待观看的电视节目， 并将接收到 的电视节目发送给用户终端。
转码功能模块： 由于广播电视内容具有标清和高清的区别， 对于比较便 携的终端， 比如手机， 能够播放的通用视频格式大小都是： 320 X 240 (像素） 的大小， 对于高清的电视内容必须进行转换格式使得以一种通用的格式被普 通用户终端接收。
移动通信模块： 对于加扰电视节目， 电视 Modem服务器需要判断终端用 户的权限， 再决定是否让用户进行观看电视节目， 这就需要移动通信模块通 过 HTTP或者 wap与用户管理服务器交互， 以对终端用户进行鉴权。
具体地， 移动通信模块将用户信息发送给网络侧 （例如， 用户管理服务 器）进行鉴权， 若接收到网络侧返回鉴权成功消息， 则向接收广播电视信号 功能模块输出鉴权成功消息。 接收广播电视信号功能模块接收到鉴权成功消 息才开始接收加扰的电视节目， 然后将加扰电视节目发送给数据解扰功能模 块。
数据解扰功能模块设置成对加扰的电视节目进行解扰， 然后将解扰后的 电视节目输出给所述转码功能模块。 网页内容管理服务器 （Web Server )设置成管理本地可供观看的电视节 目内容， 通过无线通信模块将可供观看的电视节目清单发送给用户终端； 当 接收用户终端发来的观看电视节目请求， 向接收广播电视信号功能模块发送 用户待观看的电视节目的信息。 本实施例的电视 Modem服务器还可以包括流媒体服务器，可用于緩存转 码功能模块转换后的电视节目流媒体， 通过无线通信模块将用户待观看的电 视节目流媒体发送给用户终端。
图 3是利用上述电视 Modem服务器进行电视节目转发的方法的流程图， 如图所示， 可以包括步骤：
S100、 电视 Modem服务器与用户终端建立无线通信；
S200、 接收到用户终端发送的用户待观看的电视节目的信息后， 接收用 户待观看的电视节目， 并将接收到的电视节目发送给用户终端。
进一步地， 步骤 S100中， 电视 Modem服务器可以向在其服务区范围内 的用户终端发送可供观看的电视节目清单， 以供用户选择观看电视节目。
进一步地， 步骤 S200中，还包括将接收到的电视节目转换成预定的视频 格式， 例如普通手机通用的视频格式， 以使普通用户终端也能接收到电视节 。
进一步地， 步骤 S200中，还包括判断用户待观看的电视节目是否是加扰 电视节目， 若是， 则向网络侧发送与该加扰电视节目相对应的用户信息进行 鉴权， 若接收到网络侧返回鉴权成功消息， 则接收所述加扰电视节目。
根据本发明利用电视调制解调 （Modem )建立小区式电视基站， 可以使 普通不具备多媒体电视功能的移动终端也能便捷的收看电视。
本实施例的电视网络系统可以部署在公共场所， 例如商场， 咖啡厅， 茶 吧， 机场， 或者社区等等， 本实施例中的电视 Modem服务器和移动终端具备 wifi功能。 利用本实施例的电视网络系统转发电视节目的方法流程如图 4所 示， 可以包括下面步骤：
511、 电视 Modem服务器对进入其服务区内的具备 wifi功能的终端 Push 能够在此观看电视的内容网页的消息；
具体地， 电视 Modem服务器中的 wifi功能将 web Server (网页内容管理 服务器） 的地址 push给终端。
512、 终端收到此消息后， 通过 wifi链接到电视 Modem服务器内置的 Web server; 终端链接电视 Modem服务器的同时， 将终端号 （手机号） 、 或 IMEI ( (International Mobile Equipment Identity, 国际移动身份识别）号、 或其他用 于识别用户身份的标识发送给电视 Modem服务器；
513、 用户可以通过终端 Web页面上显示的频道及节目内容选择需要收 看的节目， 并发送给电视 Modem服务器；
514、 电视 Modem服务器判断用户选择收看的频道是否加扰， 若加扰， 则转向步骤 S15; 若无加扰， 则转向步骤 S19;
515、 当用户选择收看加扰频道时， 电视 Modem服务器需要通过移动通 信网络访问运营商的用户管理服务器， 发送该手机终端的用户标识至用户管 理服务器查询该用户是否有权限收看加扰节目， 若用户未开通权限， 则转向 步骤 S16; 若用户已开通权限， 则跳至步骤 S18;
516、 用户管理服务器判断手机用户此时尚未开通收看加扰节目的权限， 则通过移动通信网络向终端发送是否需要订购的消息；
517、若用户需要订购该加扰节目， 则通过终端将确认订购的消息返回给 用户管理服务器， 然后转向步骤 S18; 若用户不需要订购该加扰节目， 则通 过终端将不订购的消息返回给用户管理服务器， 然后转向步骤 S22;
518、 用户管理服务器携带终端用户标识通知电视 Modem服务器可以给 该终端用户开放收看加扰节目的权限；
进一步地， 用户管理服务器查看该用户的付费方式信息， 若该用户的付 费方式为按时长付费， 则开启付费计时， 进行计费控制。
519、 电视 Modem服务器的接收广播电视信号功能模块开始接收电视频 道节目。
520、 电视 Modem服务器对加扰的节目流先进行解扰， 然后再对高码率 的电视节日进行转换；
若接收到的电视节目的码率较高， 则可以通过转码模块将电视节目转换 成低码率的视频格式， 例如， 转化为 RTP ( Real Time Protocol, 实时传输协 议）格式， 使得用户终端和服务器以流媒体的格式获取电视节目内容。
例如, 对于 cmmb ( China Mobile Multimedia Broadcasting, 中国移动数字 多媒体广播） ， 其本身的视频格式是 Η.264, 码率较低， 可以不转换； 对于 欧洲的 DVB-T 电视标准或者标清 \高清等电视信号， 需要将格式转换为码率 更低的 h264格式（手机一般支持 h264, 其他格式不一定支持， 另外码率太高 手机性能处理不了） 。
S21、同时终端和电视 Modem服务器建立流媒体链接，终端从电视 Modem 服务器上获取转换好的实时的媒体数据， 进行播放；
若用户进行换台操作， 则重新进入步骤 S13。
当用户结束观看电视节目时，终端向电视 Modem服务器发送结束观看节 目的消息。
进一步地， 电视 Modem服务器接收到终端发来的结束观看节目的消息 后， 还判断终端结束观看的电视节目是否是加扰电视节目， 若是， 则向用户 管理服务器发送结束观看消息， 用户管理服务器接收到结束观看消息后， 记 录该用户信息。 进一步地， 若用户管理服务器判断该用户的付费方式为按时 长付费， 则进行计费处理， 出话单。
当用户退出本实施例电视服务器时， 如果是注册用户， 则电视服务器可 以向用户管理服务器发送注销退出用户信息的消息， 并记录此用户的信息。
522、 用户管理服务器向电视服务器发送用户不订购节目的消息；
523、 电视服务器接收到用户不订购节目的消息后， 向用户提示不能收看 此节目等的信息。
当然， 本发明还可以有其他多种实施例， 在不背离本发明精神及其实质 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
与现有技术相比，本发明提供的转发电视节目的方法、 电视 Modem服务 器及电视网络系统， 利用电视调制解调 （Modem )建立小区式电视基站， 可 以使普通不具备多媒体电视功能的移动终端也能便捷的收看电视。

Claims

权 利 要 求 书
1、一种电视调制解调服务器， 用于向具备无线通信功能的用户终端转发 电视节目， 包括：
无线通信模块， 其设置成与用户终端建立无线通信； 以及
接收广播电视信号功能模块， 其设置成在接收到用户终端发送的用户待 观看的电视节目的信息后， 接收用户待观看的电视节目， 并将接收到的电视 节目发送给用户终端。
2、 如权利要求 1所述的电视调制解调服务器， 还包括转码功能模块， 其 中，
所述接收广播电视信号功能模块是设置成在接收到用户待观看的电视节 目后， 将接收到的电视节目输出给所述转码功能模块， 以通过所述转码功能 模块将所述电视节目发送给所述用户终端；
所述转码功能模块设置成接收到电视节目后， 将所接收到的电视节目转 换成预定的视频格式， 然后将转换后的电视节目发送给用户终端。
3、如权利要求 2所述的电视调制解调服务器， 还包括移动通信模块和数 据解扰功能模块， 其中，
所述接收广播电视信号功能模块还设置成： 在接收到用户待观看的电视 节目的信息后， 判断用户待观看的电视节目是否是加扰电视节目， 若是， 则 向所述移动通信模块输出鉴权消息； 以及在接收到所述移动通信模块输出的 鉴权成功消息后， 接收所述加扰电视节目， 并将接收到的加扰电视节目发送 给所述数据解扰功能模块；
所述移动通信模块设置成： 接收到所述接收广播电视信号功能模块发送 的鉴权消息后， 将用户信息发送给网络侧进行鉴权， 若接收到网络侧返回的 鉴权成功消息， 则向所述接收广播电视信号功能模块输出该鉴权成功消息； 所述数据解扰功能模块设置成对加扰电视节目进行解扰， 然后将解扰后 的电视节目输出给所述转码功能模块。
4、 如权利要求 1所述的电视调制解调服务器， 还包括： 网页内容管理服务器， 其设置成： 管理本地可供观看的电视节目内容， 通过无线通信模块将可供观看的电视节目清单发送给用户终端； 以及在接收 到用户终端发来的观看电视节目的请求后， 向所述接收广播电视信号功能模 块发送用户待观看的电视节目的信息。
5、 如权利要求 1-4任一项所述的电视调制解调服务器， 其中，
所述无线通信模块为 Wifi功能模块或蓝牙功能模块。
6、 一种电视网络系统， 包括如权利要求 1所述的电视调制解调服务器和 具有无线通信功能的用户终端， 其中，
所述电视调制解调服务器设置成根据用户终端的请求接收电视节目， 并 将接收到的电视节目转换成预定的视频格式， 然后将用户待观看的电视节目 发送给用户终端。
7、 如权利要求 6所述的电视网络系统， 还包括用户管理服务器， 其中， 所述电视调制解调服务器还设置成： 判断用户待观看的电视节目是否是 加扰电视节目， 若是， 则将所述用户的信息发送给所述用户管理服务器； 以 及接收到所述用户管理服务器发送的鉴权成功消息后， 接收所述加扰电视节 η ·,
所述用户管理服务器设置成： 接收到所述用户的信息后， 对所述用户的 信息进行鉴权， 若查询到该用户已开通观看所述加扰电视节目的信息， 则向 所述电视调制解调服务器发送鉴权成功消息。
8、 一种转发电视节目的方法，基于权利要求 1所述的电视调制解调服务 器实现， 包括：
与用户终端建立无线通信；
接收到用户终端发送的用户待观看的电视节目的信息后， 接收用户待观 看的电视节目， 并将接收到的电视节目发送给用户终端。
9、如权利要求 8所述的方法， 其在将接收到的电视节目发送给用户终端 的步骤之前还包括：
将所接收的电视节目转换成预定的视频格式。
10、 如权利要求 8或 9所述的方法， 其中， 在接收到用户终端发送的用 户待观看的电视节目的信息后， 该方法还包括：
判断用户待观看的电视节目是否是加扰电视节目， 若是， 则向网络侧发 送所述用户的用户信息进行鉴权，只有在接收到网络侧返回鉴权成功消息时， 才接收所述加扰电视节目。
11、 如权利要求 8所述的方法， 其在与用户终端建立无线通信的步骤之 后还包括：
将可供观看的电视节目清单发送给用户终端。
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