Method for operating an ad-hoc network for the wireless data transmissions of synchronous and asynchronous messages

A technology of asynchronous message and wireless transmission, which is applied in the direction of data exchange network, digital transmission system, transmission system, etc., and can solve problems such as fast data transmission that cannot guarantee time delay

Inactive Publication Date: 2006-10-11
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But does not guarantee fast data...

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  • Method for operating an ad-hoc network for the wireless data transmissions of synchronous and asynchronous messages
  • Method for operating an ad-hoc network for the wireless data transmissions of synchronous and asynchronous messages
  • Method for operating an ad-hoc network for the wireless data transmissions of synchronous and asynchronous messages

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Embodiment Construction

[0021] figure 1 The network shown in is formed from randomly assigned network nodes N, which each have a receiving device with an input controller, a switching station and a sending device with an output controller. The network is self-organizing, wherein additional nodes are combined into the network according to a defined procedure. Node N has a defined Service Access Point (SAP) for connecting different applications 1 .

[0022] For a logical connection to be transmitted, according to a routing method, starting from the starting node N1, passing through intermediate nodes N6, N7, until the destination node N4, a transmission path 2 is determined, wherein the node manages location address information and control information ( LocalConnection Identifier, LCI), the information is assigned to the logical connection, and the information is notified to the previous node on the transmission path.

[0023] In the method of the present invention, the sending device and the receivi...

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Abstract

The invention relates to a method of operating an ad hoc network for wireless transmission of synchronous and asynchronous message data. The network consists of any number of randomly assigned network nodes, each node having a receiving device with an input controller, a switching station and a transmitting device with an output controller. For the logical connection to be transmitted, according to a routing method, a transmission path from the starting node through the intermediate node to the target node is determined. Nodes manage location address information or control information, which are assigned to logical connections and transmitted to preceding nodes of the transmission path. According to the invention, the sending means and the receiving means of adjacent nodes on the transmission path are synchronized by means of periodically transmitted identifiers, the interval of which defines a time frame. The nodes of the transmission path reserve time slots within this time frame for the transmission of data packets of the logical connection to be transmitted synchronously. A start signal is sent at the beginning of the isochronous transmission of the logical connection, followed by the transmission of data packets in the previously determined time slots, and the isochronous transmission is ended with a stop signal. Free time slots in the nodes are filled with asynchronously transmittable data packets which are read from the node's output buffer.

Description

technical field [0001] The invention relates to a method for operating an ad hoc network (AdHoc-Netzwerk) for the wireless transmission of synchronous and asynchronous messages, wherein the network consists of randomly assigned network nodes each having a network with an input controller receiving device, a switching station and a sending device with an output controller, wherein in order to establish the logical connection to be transmitted, a routing method is used to determine the transmission path starting from the starting node, passing through intermediate nodes, and reaching the destination node, And wherein said node manages location address information and control information (LCI), which are assigned to logical connections, and notifies the previous nodes of the transmission path of these information. Background technique [0002] Ad hoc networks can also have no central network element. It consists of randomly assigned network nodes that guarantee data transmissi...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/725
CPCH04L45/302H04W8/26H04W28/26H04W40/00H04W84/18
Inventor 汉斯-约根·麦克尔博格麦克尔·霍恩
Owner 7 LAYERS
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