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Wireless network used to send parameters for coding data transmission

A wireless network and data transmission technology, applied in wireless network protocols, transmission systems, wireless communications, etc., can solve problems such as differences in decoding masks

Inactive Publication Date: 2002-06-12
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to situations where the radio access network and the assigned terminal change their superframe sequence numbers in different ways, which can lead to discrepancies between the decoding masks

Method used

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  • Wireless network used to send parameters for coding data transmission
  • Wireless network used to send parameters for coding data transmission
  • Wireless network used to send parameters for coding data transmission

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] figure 1 A wireless network is shown, for example comprising a radio access network 1 composed of base stations and radio network controllers (RNC) and a plurality of terminals 2 to 9 . The radio access network 1 generally includes multiple base stations and multiple radio network controllers. A radio network controller (RNC) is responsible for controlling all components involved in radio services (such as terminals 2 to 9, base stations). The base station sends control data and useful data to the terminals 2 to 9, which data are all received from the radio network controller.

[0014] Typically, terminals 2 to 9 are mobile stations. The base stations inside the radio access network 1 are usually fixed, but they may also be movable or mobile according to different situations.

[0015] figure 1 The given network includes a radio cell. However, such a network may contain multiple radio cells, and the terminal may change location between the radio cells.

[0016] In ...

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PUM

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Abstract

The invention relates to a wireless network comprising a radio access network and a plurality of terminals which are each provided for encoding certain data to be transmitted and for forming a key in the same manner in dependence on a first and a second frame number for a connection to be set up or to be reconfigured between the radio access network and a terminal. The first frame number depends on the periodically changing number of the radio frame used for the data transmission and the value of the second frame number depends on the first frame number. Based on the value of the first frame number the terminal and / or the radio access network is provided for ascertaining whether a time delay is to take place in the formation of the second frame number in the radio access network.

Description

technical field [0001] The invention relates to a radio network comprising a radio access network and a plurality of terminals, each terminal being provided for encoding specific data to be transmitted and for encoding in the same manner according to first and second frame numbers A key (KEY) is formed for the connection to be established or reconfigured between the radio access network and the terminal. Background technique [0002] Such a radio network is known from Third Generation Partnership Project (3GPP), Technical Standards Group (TSG) RAN, Working Group 2 (WG2), Radio Interface Protocol Structure, TS 25.331 V.3.4.1 (Chapter 8.5.17) . For coded data sent between the radio access network and the terminal, a key frame consisting of individual frame numbers in transparent mode is necessary. The frame number representing the connection frame number is calculated according to a formula or using a radio or system frame number. This connection frame number is used to inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04W12/00H04W12/02H04W12/04H04W36/00
CPCH04W12/02H04W12/04H04W80/02H04W12/037
Inventor C·赫尔曼P·尼克尔
Owner KONINKLIJKE PHILIPS ELECTRONICS NV