WO2009036667A1 - A short-period service configuration table updating device and its mobile multimedia broadcasting terminal - Google Patents

A short-period service configuration table updating device and its mobile multimedia broadcasting terminal Download PDF

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Publication number
WO2009036667A1
WO2009036667A1 PCT/CN2008/071557 CN2008071557W WO2009036667A1 WO 2009036667 A1 WO2009036667 A1 WO 2009036667A1 CN 2008071557 W CN2008071557 W CN 2008071557W WO 2009036667 A1 WO2009036667 A1 WO 2009036667A1
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Prior art keywords
short
configuration table
service configuration
update
time service
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PCT/CN2008/071557
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French (fr)
Chinese (zh)
Inventor
Xiaoguang Zhu
Rong Li
Yuanli Fang
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Zte Corporation
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Publication of WO2009036667A1 publication Critical patent/WO2009036667A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
    • 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 communications, and in particular, to a short-time service configuration table updating apparatus, and a mobile multimedia broadcasting terminal to which the apparatus is applied.
  • digital mobile multimedia broadcasting technologies and standards have developed rapidly, such as Digital Video Broadcast Handheld (DVB-H) in Europe and Media Forward Link Only (Media Forward Link Only) in the United States.
  • Media FLO for short, and China Mobile Multimedia Broadcasting (CMMB), etc. provide many end-users with services (eg, advertising, weather forecasts, news, sports, variety shows, multimedia radio dramas, movies).
  • the program can be selected by the user according to his or her preference.
  • the mobile multimedia broadcast transmits the multimedia broadcast service in a time division manner, and the duration of the broadcast channel frame is 1 second, which is composed of 40 25 millisecond time slots, and one or more time slots can transmit data of one multiplexed frame package.
  • the multiplexed frame is divided into three parts: a multiplexed frame header, a multiplexed frame payload, and a multiplexed frame padding, and each mobile multimedia broadcast service is encapsulated in a bearer service as a multiplexed subframe.
  • each mobile multimedia broadcast control information table is encapsulated as a multiplexed subframe in a multiplex subframe carrying control information
  • each control information table change indication information is encapsulated in each multiplex frame
  • the mobile multimedia broadcast terminal can update the related system control information table by updating the related control information table in the multiplexed frame header in time, so that the terminal does not have to receive the control information every time, thereby saving terminal power consumption.
  • the short-time service configuration table is one of the mobile multimedia broadcast control information tables, and describes the correspondence relationship between all the short-time services of the network and the carrier frequency, and the update sequence number is included in the short except for the multiplex frame header.
  • the present invention provides a short time service configuration table update apparatus.
  • the short-time service configuration table updating apparatus is configured to update the short-time service configuration table information in the bearer service multiplexing frame, and includes: a parsing unit, located at the terminal, for receiving the multiplexing frame of the bearer service And parsing the multiplexed frame header information of the multiplexed frame to obtain a specific field; and comparing, configured to compare the specific field obtained by the parsing unit with the service configuration table update sequence number in the short-time service configuration table buffered in the terminal And according to the comparison results, the corresponding processing.
  • the comparing unit further includes: a receiving unit, configured to: when the specific field and the service configuration table update sequence number are not equal, update the value of the sequence number advance indication field according to the control information table in the multiplexing frame header, where the specified Receiving a control information multiplexing frame in a subsequent broadcast channel frame; and updating a buffer unit for updating and buffering the short-time service configuration table.
  • the specific field is a short-term service configuration table update sequence number.
  • a mobile multimedia broadcast terminal to which the above-described short time service configuration table updating means is applied. Through the invention, the consistency of the update sequence numbers of the two short-time service configuration tables can be ensured.
  • FIG. 1 is a block diagram of a short-time service configuration table updating apparatus according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
  • the time service configuration table updating apparatus includes: a parsing unit 102, located at the terminal, configured to receive a multiplexing frame carrying the service, and parse the multiplexing frame header information of the multiplexing frame to obtain a specific field; and a comparing unit 104, configured to be used by The specific field obtained by the parsing unit is compared with the service configuration table update sequence number in the short-time service configuration table buffered in the terminal, and corresponding processing is performed according to the comparison result.
  • a parsing unit 102 located at the terminal, configured to receive a multiplexing frame carrying the service, and parse the multiplexing frame header information of the multiplexing frame to obtain a specific field
  • a comparing unit 104 configured to be used by The specific field obtained by the parsing unit is compared with the service configuration table update sequence number in the short-time service configuration table buffered in the terminal, and corresponding processing is performed according to the comparison result.
  • the comparing unit 104 further includes: a receiving unit 1042, configured to: when the specific field and the service configuration table update sequence number are not equal, update the value of the sequence number advance indication field according to the control information table in the multiplexing frame header, where Receiving a control information multiplexing frame in the designated subsequent broadcast channel frame; and updating the buffer unit 1044 for updating and buffering the short-time service configuration table.
  • the specific field is a short-term service configuration table update sequence number. It should be understood herein that the multimedia broadcast terminal using the short-time service configuration table update device described above may include a mobile phone, a PDA, a handheld terminal, and a mobile TV.

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

Abstract

A short-period service configuration table updating device for updating the short-period service configuration table in the multiplexing frame of bearing the service.The short-period service configuration table updating device includes a analysing unit and a comparing unit . The analysing unit receives the multiplexing frame of bearing the service, and analyses the multiplexing frame header of the received multiplexing frame to get the specific field.The comparing unit compares the specific field which is getted by the analysing unit with the service configuration table updating sequence number in the short-period service configuration tablewhich is saved in the comparing unit,and does the corresponding processing according to the result of comparing.The short-period service configuration table updating device can be applied in a mobile multimedia broadcasting terminal .

Description

短时间业务配置表更新装置及其移动多媒体广播终端 技术领域 本发明涉及通信领域， 更具体地涉及一种短时间业务配置表更新装置， 以及应用该装置的移动多媒体广播终端。 背景技术 近年来， 数字移动多媒体广播技术和标准发展迅速， 例如欧洲的数字视 频广播手持式接收 ( Digital Video Broadcast Handheld, 简称 DVB-H ) , 美国 的媒体单一前向链路 ( Media Forward Link Only , 简称 Media FLO ) , 和中国 的移动多媒体广播 ( China Mobile Multimedia Broadcasting , 简称 CMMB )等， 为其终端用户提供了许多服务内容（如， 广告、 天气预报、 新闻、 体育节目、 综艺、 多媒体广播剧、 电影等节目 ）， 用户可以根据自己的爱好选择移动多媒 体广播的服务节目。 移动多媒体广播釆用时分方式发送多媒体广播服务，其广播信道帧的持 续时间为 1秒， 由 40个 25毫秒时隙组成， 一个或多个时隙可以传送一个复 用帧封装的数据。在移动多媒体广播的复用帧结构中， 复用帧分为复用帧头、 复用帧净荷、 和复用帧填充三部分， 每个移动多媒体广播业务作为复用子帧 封装在承载业务的复用帧净荷中， 每个移动多媒体广播控制信息表作为复用 子帧封装在承载控制信息的复用子帧中， 而每个控制信息表变更指示信息则 封装在每个复用帧头中， 所以移动多媒体广播终端能及时通过复用帧头中的 相关控制信息表更新指示更新相关系统控制信息表， 从而使终端不必每次都 接收控制信息， 进而可以节约终端功耗。 短时间业务配置表是移动多媒体广播控制信息表之一，描述了本网络的 所有短时间业务与载频之间的对应关系信息， 其更新序号除了存在于复用帧 头外， 还包含于短时间业务配置表中， 所以针对终端在接收承载业务复用帧 过程中， 如何处理短时间业务配置表更新序号， 需要提供一种装置， 以使终 端及时更新短时间业务配置表信息。 发明内容 鉴于上述一个或多个问题，本发明提供了一种短时间业务配置表更新装 置。 根据本发明的短时间业务配置表更新装置，用于对承载业务复用帧中的 短时间业务配置表信息进行更新， 其包括： 解析单元， 位于终端上， 用于接 收承载业务的复用帧， 并解析复用帧的复用帧头信息， 得到特定字段； 以及 比较单元， 用于将由解析单元获得的特定字段与在终端中緩存的短时间业务 配置表中的业务配置表更新序号进行比较，并根据比较结果进行相应的处理。 其中， 在比较单元中， 还包括： 接收单元， 用于在特定字段与业务配置 表更新序号不相等时， 根据复用帧头中的控制信息表更新序号提前量指示字 段的值， 在指定的后续广播信道帧中接收控制信息复用帧； 以及更新緩存单 元， 用于更新并緩存短时间业务配置表。 其中， 特定字段为短时间业务配置 表更新序号。 根据本发明， 还提出了一种移动多媒体广播终端， 其应用了上述的短时 间业务配置表更新装置。 通过本发明， 可以保证两个短时间业务配置表更新序号的一致性。 附图说明 此处所说明的附图用来提供对本发明的进一步理解 ,构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中： 图 1是根据本发明实施例的短时间业务配置表更新装置的框图。 具体实施方式 下面参考附图， 详细说明本发明的具体实施方式。 图 1是才艮据本发明实施例的短时间业务配置表更新装置 100的框图。 参考图 1 , 说明才艮据本发明实施例的短时间业务配置表更新装置。 如图 1 所示， 该用于对承载业务复用帧中的短时间业务配置表信息进行更新的短 时间业务配置表更新装置包括： 解析单元 102, 位于终端上， 用于接收承载 业务的复用帧， 并解析复用帧的复用帧头信息， 得到特定字段； 以及比较单 元 104, 用于将由解析单元获得的特定字段与在终端中緩存的短时间业务配 置表中的业务配置表更新序号进行比较， 并根据比较结果进行相应的处理。 其中， 在比较单元 104 中， 还包括： 接收单元 1042, 用于在特定字段 与业务配置表更新序号不相等时， 根据复用帧头中的控制信息表更新序号提 前量指示字段的值， 在指定的后续广播信道帧中接收控制信息复用帧； 以及 更新緩存单元 1044, 用于更新并緩存短时间业务配置表。 其中， 特定字段为 短时间业务配置表更新序号。 在此应该理解，使用上述短时间业务配置表更新装置的多媒体广播终端 可以包括手机、 PDA、 手持终端、 以及移动电视等。 综上所述， 载业务的复用帧中只在帧头有 "短时间业务配置表更新序 号"， 短时间业务配置表是否更新， 终端需要将帧头中的 "短时间业务配置表 更新序号" 与终端緩存的短时间业务配置表中的 "业务配置表更新序号" 进 行比较， 如果两个相关短时间业务的配置表更新序号不等， 则需要终端重新 接收承载控制信息的复用帧， 更新并緩存短时间业务配置表信息， 以保证两 个短时间业务配置表更新序号的一致性。 本领域技术人员将很容易了解到本发明其它优点和修改。 因此， 本发明 更广泛的方面并不限于本文中示出以及描述的特定细节和典型实施例。因此， 可在不脱离由权利要求及其等效物所限定的本发明的精神或范围的条件下做 出各种修改。 TECHNICAL FIELD The present invention relates to the field of communications, and in particular, to a short-time service configuration table updating apparatus, and a mobile multimedia broadcasting terminal to which the apparatus is applied. BACKGROUND OF THE INVENTION In recent years, digital mobile multimedia broadcasting technologies and standards have developed rapidly, such as Digital Video Broadcast Handheld (DVB-H) in Europe and Media Forward Link Only (Media Forward Link Only) in the United States. Media FLO for short, and China Mobile Multimedia Broadcasting (CMMB), etc., provide many end-users with services (eg, advertising, weather forecasts, news, sports, variety shows, multimedia radio dramas, movies). The program can be selected by the user according to his or her preference. The mobile multimedia broadcast transmits the multimedia broadcast service in a time division manner, and the duration of the broadcast channel frame is 1 second, which is composed of 40 25 millisecond time slots, and one or more time slots can transmit data of one multiplexed frame package. In the multiplex frame structure of the mobile multimedia broadcast, the multiplexed frame is divided into three parts: a multiplexed frame header, a multiplexed frame payload, and a multiplexed frame padding, and each mobile multimedia broadcast service is encapsulated in a bearer service as a multiplexed subframe. In the multiplexed frame payload, each mobile multimedia broadcast control information table is encapsulated as a multiplexed subframe in a multiplex subframe carrying control information, and each control information table change indication information is encapsulated in each multiplex frame In the head, the mobile multimedia broadcast terminal can update the related system control information table by updating the related control information table in the multiplexed frame header in time, so that the terminal does not have to receive the control information every time, thereby saving terminal power consumption. The short-time service configuration table is one of the mobile multimedia broadcast control information tables, and describes the correspondence relationship between all the short-time services of the network and the carrier frequency, and the update sequence number is included in the short except for the multiplex frame header. In the time service configuration table, it is necessary to provide a device for the terminal to update the short-time service configuration table information in time for the terminal to process the short-time service configuration table update sequence number in the process of receiving the bearer service multiplexing frame. SUMMARY OF THE INVENTION In view of one or more of the above problems, the present invention provides a short time service configuration table update apparatus. The short-time service configuration table updating apparatus according to the present invention is configured to update the short-time service configuration table information in the bearer service multiplexing frame, and includes: a parsing unit, located at the terminal, for receiving the multiplexing frame of the bearer service And parsing the multiplexed frame header information of the multiplexed frame to obtain a specific field; and comparing, configured to compare the specific field obtained by the parsing unit with the service configuration table update sequence number in the short-time service configuration table buffered in the terminal And according to the comparison results, the corresponding processing. The comparing unit further includes: a receiving unit, configured to: when the specific field and the service configuration table update sequence number are not equal, update the value of the sequence number advance indication field according to the control information table in the multiplexing frame header, where the specified Receiving a control information multiplexing frame in a subsequent broadcast channel frame; and updating a buffer unit for updating and buffering the short-time service configuration table. The specific field is a short-term service configuration table update sequence number. According to the present invention, there is also proposed a mobile multimedia broadcast terminal to which the above-described short time service configuration table updating means is applied. Through the invention, the consistency of the update sequence numbers of the two short-time service configuration tables can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, In the drawings: FIG. 1 is a block diagram of a short-time service configuration table updating apparatus according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a block diagram of a short-time service configuration table updating apparatus 100 according to an embodiment of the present invention. Referring to FIG. 1, a short time service configuration table updating apparatus according to an embodiment of the present invention will be described. As shown in FIG. 1, the short is used to update the short-time service configuration table information in the bearer service multiplexing frame. The time service configuration table updating apparatus includes: a parsing unit 102, located at the terminal, configured to receive a multiplexing frame carrying the service, and parse the multiplexing frame header information of the multiplexing frame to obtain a specific field; and a comparing unit 104, configured to be used by The specific field obtained by the parsing unit is compared with the service configuration table update sequence number in the short-time service configuration table buffered in the terminal, and corresponding processing is performed according to the comparison result. The comparing unit 104 further includes: a receiving unit 1042, configured to: when the specific field and the service configuration table update sequence number are not equal, update the value of the sequence number advance indication field according to the control information table in the multiplexing frame header, where Receiving a control information multiplexing frame in the designated subsequent broadcast channel frame; and updating the buffer unit 1044 for updating and buffering the short-time service configuration table. The specific field is a short-term service configuration table update sequence number. It should be understood herein that the multimedia broadcast terminal using the short-time service configuration table update device described above may include a mobile phone, a PDA, a handheld terminal, and a mobile TV. In summary, in the multiplex frame of the bearer service, there is only a "short-time service configuration table update sequence number" in the frame header, and whether the short-time service configuration table is updated, and the terminal needs to update the short-time service configuration table in the frame header. "Comparing with the service configuration table update sequence number in the short-time service configuration table of the terminal cache, if the configuration table update sequence numbers of the two related short-time services are not equal, the terminal needs to re-receive the multiplexing frame of the bearer control information. Update and cache the short-term service configuration table information to ensure the consistency of the update sequence numbers of the two short-time service configuration tables. Other advantages and modifications of the present invention will be readily apparent to those skilled in the art. Therefore, the invention in its broader aspects is not intended to Therefore, various modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

权 利 要 求 书 Claim
1. 一种短时间业务配置表更新装置， 用于对 载业务复用帧中的短时间业 务配置表信息进行更新， 其特征在于， 包括： A short-time service configuration table updating apparatus, configured to update short-term service configuration table information in a service multiplexing frame, and is characterized by:
解析单元， 位于终端上， 用于接收^载业务的复用帧， 并解析所述 复用帧的复用帧头信息， 得到特定字段； 以及  a parsing unit, located at the terminal, configured to receive a multiplexing frame of the service, and parse the multiplexed frame header information of the multiplexed frame to obtain a specific field;
比较单元，用于将由所述解析单元获得的所述特定字段与在所述终 端中緩存的所述短时间业务配置表中的业务配置表更新序号进行比较， 并根据比较结果进行相应的处理。  And a comparing unit, configured to compare the specific field obtained by the parsing unit with a service configuration table update sequence number in the short-time service configuration table buffered in the terminal, and perform corresponding processing according to the comparison result.
2. 根据权利要求 1所述的短时间业务配置表更新装置， 其特征在于， 在所 述比较单元中， 还包括： The short-time service configuration table updating apparatus according to claim 1, wherein the comparing unit further includes:
接收单元，用于在所述特定字段与所述业务配置表更新序号不相等 时， 根据所述复用帧头中的控制信息表更新序号提前量指示字段的值， 在指定的后续广播信道帧中接收控制信息复用帧； 以及  a receiving unit, configured to: when the specific field is not equal to the service configuration table update sequence number, update a value of the sequence number advance indication field according to the control information table in the multiplexing frame header, in the specified subsequent broadcast channel frame Receiving control information multiplexing frames;
更新緩存单元， 用于更新并緩存所述短时间业务配置表。  An update cache unit is configured to update and cache the short-term service configuration table.
3. 才艮据权利要求 1或 2所述的短时间业务配置表更新装置， 其特征在于， 所述特定字段为短时间业务配置表更新序号。 3. The short-time service configuration table updating apparatus according to claim 1 or 2, wherein the specific field is a short-time service configuration table update sequence number.
4. 一种移动多媒体广播终端， 具有权利要求 1至 3中任一项所述的短时间 业务配置表更新装置。 A mobile multimedia broadcast terminal comprising the short-time service configuration table updating apparatus according to any one of claims 1 to 3.
PCT/CN2008/071557 2007-09-17 2008-07-04 A short-period service configuration table updating device and its mobile multimedia broadcasting terminal WO2009036667A1 (en)

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