CN1401198A - 数据传输系统 - Google Patents

数据传输系统 Download PDF

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Publication number
CN1401198A
CN1401198A CN01804870A CN01804870A CN1401198A CN 1401198 A CN1401198 A CN 1401198A CN 01804870 A CN01804870 A CN 01804870A CN 01804870 A CN01804870 A CN 01804870A CN 1401198 A CN1401198 A CN 1401198A
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sdsl
channel
data
frame
eoc
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CN1201630C (zh
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G·绍尔
D·戴克
A·坦霍伊泽尔
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Intel Germany Holding GmbH
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Infineon Technologies AG
Siemens AG
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435Details
    • H04Q11/0471Terminal access circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13093Personal computer, PC
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096Digital apparatus individually associated with a subscriber line, digital line circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13174Data transmission, file transfer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176Common channel signaling, CCS7
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13202Network termination [NT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209ISDN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216Code signals, frame structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292Time division multiplexing, TDM
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299Bus

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)

Abstract

在根据本发明的方法中在SDSL数据连接的SDSL帧中传输至少一个ISDN数据连接、至少一个传统电话连接以及至少一个宽带数据连接的数据,其中或者在eoc信道中或者在一个或多个Z信道中传输必需的控制数据。

Description

数据传输系统
在常规ISDN基本终端中仅仅双线数据通信路径用于ISDN业务(参见图1)。为了可以更好地利用在网络接点和用户的网络终端之间现存的双线数据通信路径,在具有较高传输速度的DSL-数字用户线-连接中例如在一个帧结构中在一个连接上同时交错传输多个业务。对于下面的研究考虑借助于SDSL-对称数字用户线-帧的数据传送。已知,在该帧内部例如可以传输一个或多个宽带连接以及一个或多个ISDN连接或者一个或多个传统电话连接的数据。此外已知,对于这些连接在存在于SDSL帧中的eoc信道中传输业务位的信息内容。
本发明基于这个任务,给出传递数据连接的业务控制位的另外的方法。
根据本发明通过权利要求1至4解决提出的任务。
本发明带来这样的优点,特别在这样应用的情况下可以准时处理并传递该数据帧的所有连接的业务位的信息内容,在该应用中业务信息的快速处理与传递是必需的。
以较低的时间需求实现在一个或多个Z信道中的连接控制的传递,由此在同时传输多个电话连接的情况下也提供与时间有关的性能特征的准时传递,比如显示呼叫用户的呼叫号码。
在另外的权利要求中给出另外有益的形成。
从实施例和根据图的下面详细阐述中可以看出本发明的另外特点。
图1指出了ISDN连接的布置,
图2指出了SDSL网络终端的布置,
图3指出了SDSL帧的划分,
图4指出了SDSL帧的划分的实施例,
图5指出了寻址区域,
图6指出了SDSL帧的划分的另一个实施例。
在图1中描述了一个在终端设备TE和网络节点LT之间的ISDN连接链路。在一个特别作为交换节点形成的线路终端单元LT和一个在用户处布置的网络终端单元NT之间应用双线通信。
在图2中指出了一个在第二网络终端NT、一个网络节点LT和终端设备E1、E2、E3之间的SDSL连接。在网络节点LT中经过相应的网络连接器从窄带网络和宽带网络中得知终端设备的数据或者输送终端设备的数据并且包含在SDSL帧中。在第一线路终端单元LT和网络终端单元NT之间以时分复用同步传输SDSL帧的窄带和宽带数据。在也称作发送/接收设备的模块SDSLM中按照数字时分复用技术的已知方法实施属于窄带或/和宽带网的数据的发送方面的组合与接收方面的划分。在网络终端单元NT中宽带数据传递到一个宽带控制器上。窄带数据传递到一个窄带控制器,其把重要的数据传递给用于传统电话终端的连接在后面的a/b控制器或者用于ISDN终端的S0控制器。
在网络终端单元NT上对此可以连接一个或多个宽带终端设备以及一个或多个ISDN设备或者一个或多个传统电话机。对此给每一个单独的通话、ISDN以及宽带连接分别分配一个自己的a/b、S0或宽带控制器。
对此例如终端设备类型E1可以是传统的电话、终端设备类型E2有选择地可以是ISDN设备、终端设备类型E3可以是数据处理设备。
图3指出了SDSL帧的已经已知的划分。SDSL帧对此划分为主要四个有效载荷块PL1、PL2、PL3和PL4。每个有效载荷块PL1、PL2、PL3和PL4对此可以划分为12个子块P01至P12,P13至P24、P25至P36和P37至P48。每个子块可以划分为具有各8千位/秒的1至8个Z信道和具有各64千位/秒的3至36个B信道。
图4例如指出了对于ISDN连接的应用的帧划分。ISDN连接的B1和B2信道的数据主要包含在ISDN连接的二个64千位/秒-B信道中,D信道的信令数据包含在二个8千位/秒-Z信道中。SDSL帧的子块的另外范围用于例如多个ISDN连接或例如一个或多个传统电话连接或者一个或多个宽带连接的另外有效载荷数据。在这个意义上在图4的实施例中SDSL帧的剩余6个B信道组合为一个384千位/秒宽带连接,其与ISDN连接一起同时提供使用。在该实例中对于二个连接在eoc信道中传输工作控制位。
在64千位/秒信道中传输一个或多个模拟电话连接的数字化数据,其中分别给一个传统的电话连接刚好分配一个B信道。在一个或多个宽带连接的数据包含在各自需要数目的B信道中。对此仅仅注意在图3中确定的上限数据的B信道。
在SDSL帧的开销段OH(参见图3)中安插SDSL开销数据,其包含状态信息和具有适合于SDSL传输链路工作的、大约3.3千位/秒传输速度的嵌入式控制信道或者工作信道、“eoc-嵌入操作信道”eoc信道。
此外SDSL帧在开始时包含用于同步的一个14位帧字(同步字)并在帧结束时包含二个没有利用的位(空闲)。
在图5中给出为了寻址各个ISDN连接或传统的电话连接和宽带连接所必需的eoc地址扩展的寻址区域的实例。对此该地址区域具有成分、业务ID和业务号码,该成分对于各自连接的明确寻址是必需的。对此在业务类型(例如包括多个ISDN连接)内部寻址确定的业务号码。
在一个另外的实施例中根据本发明在一个或多个8千位/秒-Z信道中传输SDSL传输链路的工作控制位、特别是一个或多个电话连接的连接控制位。由此与在传统的eoc信道中相比这些信息可以至少快2.5倍地被传输到SDSL链路的远距离线路末端。相应地对于经过公共的SDSL传输链路同时、准时控制多个传统电话连接引起时间缩短。
图6指出了一个根据本发明的实例,在该实例中在SDSL帧的内部在三个具有各64千位/秒的B信道内包含三个传统电话连接的数字化数据并且在一个具有8千位/秒的Z信号中包含附属的连接控制位。对此可以显著提高在SDSL链路上同时运行的电话连接的数目,因为根据图3的SDSL帧可以包含直到36个B信道和直到8个Z信道。
这种形式的应用当前再度受到网络运行商的重视,因为以SDSL系统的对称时分复用结构特别低成本地实现该应用,并且因为在多媒体业务的适用范围内传统的电话业务此外以较大距离处于领先。对此提出这样的任务,在多个电话连接的较高呼叫负载的情况下特别准时地看见电话业务的与时间有关的性能特征、比如显示呼叫用户的呼叫号码。
在根据本发明的扩展中以在一个或多个Z信道中传输连接控制位解决该任务。
在本发明的另一个扩展中在起始过程期间对于工作控制位按照希望在一方面eoc信道的应用和另方面一个或多个Z信道的应用之间转换。这当然是有益的,对于多个同时电话连接或者应当保证遵守与时间有关的条件或者对于仅仅一个或少量同时运行的电话连接eoc信道的时间条件够用并且释放的Z信道应当共同用于有效数据传输。
在一个另外的有益扩展中,对于在eoc信道和在Z信道中的信息编码和寻址应用与在eoc信道中一样的信息格式。由此电路技术地特别简化在eoc信道应用和Z工作信道应用之间的运行变化。
在另一个扩展中通过单元LT在SDSL连接建立时的起始过程内部在远距离线路末端的终端单元中、主要在网络终端单元NT中确定eoc信道或者Z信道的应用以及SDSL帧的各个子信道的应用。

Claims (4)

1.数据传输的方法,其中在一个用于嵌入并划分终端设备类型E1、E2、E3的数据的发射/接收单元SDSLM中所有终端设备类型的数据与附属的工作控制位一起以数字时分复用技术同步嵌入帧(SDSL)并在帧中传输,其特征在于,工作控制位分配给SDSL帧的一个或多个Z信道。
2.按照权利要求1的方法,其特征在于,工作控制位可转换地或者分配给eoc信道或者分配给至少一个Z信道。
3.按照上述权利要求之一的方法,其特征在于,对于在eoc信道中或在Z信道中的信息编码或寻址分别应用相同的信息格式。
4.按照权利要求1或2之一的方法,其特征在于,在SDSL连接建立时的起始过程内部把eoc或Z信道的分配以及SDSL帧的各个子信道的应用告知在远距离线路末端上的终端单元,由此在终端单元中确定该分配以及应用。
CNB018048706A 2000-02-10 2001-02-07 数据传输系统 Expired - Fee Related CN1201630C (zh)

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EP (1) EP1254584B1 (zh)
CN (1) CN1201630C (zh)
BR (1) BR0108239A (zh)
CA (1) CA2400019A1 (zh)
DE (2) DE10005793A1 (zh)
WO (1) WO2001060107A2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101848404A (zh) * 2009-03-27 2010-09-29 华为技术有限公司 Dsl系统中同步信息传输的方法、dsl系统和设备

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DE19952303A1 (de) * 1999-10-29 2001-05-10 Siemens Ag Schaltungsanordnung und Verfahren zur Datenübertragung
DE10009766B4 (de) * 2000-03-01 2010-12-02 Infineon Technologies Ag System zur Telefonie-Signalisierung
US20030083866A1 (en) * 2001-09-10 2003-05-01 Massimo Sorbara Requirements for dynamic rate repartitioning
CN104159323B (zh) * 2014-09-05 2018-08-17 佛山珠江传媒信息有限公司 用户终端数据传输方法及多路传输用户终端

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101848404A (zh) * 2009-03-27 2010-09-29 华为技术有限公司 Dsl系统中同步信息传输的方法、dsl系统和设备

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EP1254584A2 (de) 2002-11-06
BR0108239A (pt) 2002-11-05
CN1201630C (zh) 2005-05-11
US20030174735A1 (en) 2003-09-18
CA2400019A1 (en) 2001-08-16
WO2001060107A3 (de) 2001-12-06
DE50113937D1 (de) 2008-06-19
EP1254584B1 (de) 2008-05-07
US7852884B2 (en) 2010-12-14
WO2001060107A2 (de) 2001-08-16
DE10005793A1 (de) 2001-08-16

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