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Method for checking transmitting data volume

A technology of data volume and sent to, applied in the direction of data exchange network, digital transmission system, security device, etc.

Inactive Publication Date: 2004-10-13
NOKIA TECHNOLOGLES OY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, on the air interface, 32 additional bits per packet can be considered considerable overhead and should be avoided as much as possible

Method used

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  • Method for checking transmitting data volume
  • Method for checking transmitting data volume
  • Method for checking transmitting data volume

Examples

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Embodiment Construction

[0021] These preferred embodiments of the present invention will be described below by taking implementation in the third generation mobile system UMTS as an example. However, it is not intended to limit the present invention to these Examples. The invention can be used in any telecommunication system where unencrypted user data can be sent over the air interface. Examples of such systems are IMT-2000, IS-41, GSM (Global System for Mobile Communications) or corresponding mobile systems such as PCS (Personal Communications System), DCS 1800 (1800 MHz Digital Cellular System) or the like. The norms of general mobile communication systems, especially the norms of IMT-2000 and UMTS systems, develop rapidly. This development may require some additional changes to the present invention. Therefore, all words and expressions should be interpreted in the broadest possible sense, and they are only illustrative and not restrictive of the present invention. Functionality is essential t...

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Abstract

During a connection between a network infrastructure and user equipment a first indication of the amount of data transmitted over the connection is maintained in the network infrastructure and a second indication of the amount data transmitted is maintained in the user equipment. A checking procedure is triggered in response to encountering (402) a predetermined checking value. The checking procedure utilizes integrity protected signalling. During the checking procedure the first indication is compared with the second indication. This checking procedure enables easy discovery of an intruder who either sends and / or receives data on an authorized connection between a network infrastructure and a mobile station, the data transmission being charged from the mobile station.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 01800288.9 filed on February 20, 2001 and entitled "Method for Checking the Amount of Sending Data". technical field [0002] The present invention relates to techniques for checking the amount of data transmitted in a communication system, especially in a radio communication system in which unencrypted user data can be transmitted over the air interface. Background technique [0003] A radio communication system generally refers to any telecommunication system that enables wireless communication between users and a network. In a mobile communication system, users can move within the coverage area of ​​the network. A typical mobile communication system is a Public Land Mobile Network (PLMN). The invention can be used in different mobile communication systems, such as Universal Mobile Telecommunications System (UMTS) and IMT-2000 (International Mobile Telecommunications 2000). In the follo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L12/26H04L29/06H04W12/12
CPCH04L43/00H04L43/06H04W12/10H04L12/2602H04W12/12H04L63/1408H04W12/106H04W12/122
Inventor 朱卡·维伦瓦尔特里·奈米
Owner NOKIA TECHNOLOGLES OY
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