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Subscriber device for a high-performance communication system

A communication system and user equipment technology, applied in transmission systems, hybrid switch systems, digital transmission systems, etc.

Inactive Publication Date: 2005-01-12
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is referred to as real-time critical (echtzeitkritisch) data or data exchange, because in contrast to non-real-time critical data communication (such as data communication based on the Internet or intranet), the data does not arrive at the defined location in time, which leads to non-real-time problems at the user equipment. desired consequences

Method used

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  • Subscriber device for a high-performance communication system
  • Subscriber device for a high-performance communication system
  • Subscriber device for a high-performance communication system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] figure 1 Shown is a user equipment 100 in a communication system 102 which is also connected to other user equipment 104, 106, 108.... The communication system 102 is, for example, a standard Ethernet.

[0046] The user device 100 contains an application 110 that can access a memory 112 of the user device 100 . The memory 112 can be a so-called communication memory.

[0047] In addition, the user equipment 100 includes a sending module 114 and a receiving module 116 . The sending module 114 and the receiving module 116 are constituted such that the sending of the data telegram is realized by the user equipment 100 via the communication system 102, and the receiving of the data telegram is according to a data that is generally only available in a planned real-time communication. rate to complete.

[0048] Subscriber device 100 can be, for example, a control unit in an automation system. The user devices 104 , 106 , 108 . . . can be other control units, so-called sma...

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PUM

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Abstract

A subscriber in a communication system (102) for transmitting and receiving data telegrams, wherein a data telegram includes reference data or user data and an identifier. The control of transmitting and receiving data telegrams is based on check data sets (122). A check data set includes an address for the reference data or user data and the identifier of the data telegram, which is assigned to the check data set. A transmission list (120) includes a first number of check data sets. A circuit unit (128) generates, based on a check data set of the transmission list, a data telegram to be transmitted. In addition, a second number (136, 138) of check data sets is provided. An assignment unit (140, 144) assigns a received data telegram to one of the check data sets of the second number of check data sets, wherein the assignment is carried out based on the identifier for the received data telegram.

Description

technical field [0001] The invention relates to a subscriber unit for sending and receiving data telegrams in a communication system, in particular an Ethernet and / or Real-time Ethernet communication system, as well as a communication system and a communication method. Background technique [0002] A synchronous and timing communication system with equal interval characteristics is understood as a system composed of at least two user equipments, which are connected to each other through a data network to exchange data or transmit data to each other. Here, the data exchange is periodically carried out at equal intervals of the communication cycle predetermined by the communication clock used in the system. [0003] The cyclical data exchange in communication systems at regular intervals is based on the fact that all communicating components have a common period or time base. This period or time reference is transmitted by an indicative component (periodic hammer) to the othe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/64
CPCH04L2012/6462H04L12/28H04L12/6418H04L2012/6454
Inventor 迪特尔·克洛茨迪特尔·布鲁克纳卡尔-海因茨·克劳斯
Owner SIEMENS AG
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