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Method for the transmission of group message

一种组消息、传输信道的技术，应用在传输组消息领域，能够解决高存储器需求等问题，达到降低信号处理复杂性和存储器需求的效果

Inactive Publication Date: 2010-04-28
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] This technique, despite its simple implementation, has major disadvantages, on the one hand it requires a high memory requirement in the mobile radio and on the other hand it increases the complexity of the signal processing in the mobile radio

Method used

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  • Method for the transmission of group message
  • Method for the transmission of group message
  • Method for the transmission of group message

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] exist Figure 1 to Figure 4 Elements with the same function and mode of action are correspondingly marked with the same.

[0038] For the exemplary embodiment it is assumed for simplicity that a first radio communication device (mobile radio device, user equipment) UE1, a second radio communication device UE2 and a third radio communication device UE3 are located in a mobile radio cell in which The messages of the first multicast group MC1 , the second multicast group MC2 and the third multicast group MC3 are provided in .

[0039] It is further assumed that the first radio communication device UE1 is written to the first multicast group MC1 and the third multicast group MC3, and the second radio communication device UE2 is written to the second multicast group MC2 and the third multicast group MC3 and the third radio communication device UE3 are written in the first multicast group MC1 , the second multicast group MC2 and the third multicast group MC3 .

[0040] To tra...

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PUM

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Abstract

The invention relates to a method for the transmission of at least one group message to at least one group of one or more radio communication devices in at least one radio cell of a radio communication network, working in particular on the UMTS standard, using at least one linked set of data, transmitted during at least one time interval from at least one transport channel, in particular embodiedas a DSCH channel, to a multiplex channel, in particular embodied as a CCTrCH, whereby permitted data sets are determined with a flag, identifiable by means of a first indicator, whereby the first indicator is allocated to the group during the time interval. The invention further relates to a network control unit and a radio communication device with means for carrying out said method.

Description

technical field [0001] The invention relates to a method, a network, and a radio communication device for transmitting at least one group message. Background technique [0002] In many of the services and applications provided with modern mobile radio systems, such as newsgroups, video conferencing, video on demand, distributed applications, etc., there transmission needs. [0003] For this purpose, it is in principle possible to send a copy of the data to each receiver when transmitting messages to different subscribers. Although this technique is simple to implement, it requires a large bandwidth, especially for large groups, since the messages are transmitted via N individual connections (unicast connections) and are sent multiple times over a common connection path , where N determines the number of receivers of the message. [0004] For this purpose a so-called point-to-multipoint transmission (multicast) is used in modern mobile radio systems, which is characterized...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W4/08H04L12/18
CPCH04W72/005H04W4/06H04L12/189H04W72/30
Inventor M·贝克曼M·埃克尔特N·施瓦曼
Owner SIEMENS AG
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