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Methods and nodes in a wireless communication network

A node and node identification technology, applied in wireless communication, channel estimation, digital data authentication, etc., can solve the problem of low battery energy, achieve the effects of reducing energy consumption, saving wireless resources, and extending operating time

Inactive Publication Date: 2017-07-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the size constraints of such mobile devices, the energy stored in the batteries of these devices may be rather small, with limited capacity

Method used

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  • Methods and nodes in a wireless communication network
  • Methods and nodes in a wireless communication network
  • Methods and nodes in a wireless communication network

Examples

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Embodiment Construction

[0087] Embodiments of the invention described herein are defined as nodes, methods in nodes, mobile devices and methods in mobile devices, in which the embodiments described hereinafter can be put into practice. These embodiments may, however, be illustrated and carried out in many different forms, and are not limited to the examples set forth herein; rather, these illustrative examples of embodiments are provided so that this disclosure will be thorough and complete.

[0088] Other objects and features will become apparent from the following detailed description when taken in conjunction with the accompanying drawings. However, it should be understood that the drawings are designed for illustrative purposes only and not as a limiting definition to the embodiments disclosed herein, the scope of which is referred to in the appended claims. Further, the drawings are not necessarily drawn to scale and, unless otherwise indicated, are merely intended to conceptually illustrate the...

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Abstract

A node (110) and a method (500) therein, for authenticating a mobile device (120) over an air interface are provided. The node (110) comprises a transmitter (630), a processor (620), and a receiver (610). The processor (620) is configured to detect the mobile device (120), to generate a nonce, to determine a key shared with the mobile device (120) and to compute a second MAC based on the generated nonce and the key, and to construct a second training sequence comprising the second MAC. The transmitter (630) is configured to transmit the generated nonce to the mobile device (120). The receiver (610) is configured to receive a first training sequence comprising a first MAC from the mobile device (120) and to tune the receiving circuits of the receiver (610), based on the first and second training sequences; and to receive a further message from the mobile device (120). Further, the processor (620) is configured to decode the further message and authenticate the mobile device (120) when the further message is decoded correctly, otherwise reject the mobile device (120). Also, a mobile device (120) and a method (700) therein are disclosed.

Description

technical field [0001] Embodiments described herein relate generally to nodes, mobile devices, and methods therein. In particular, a mechanism for authenticating a mobile device over the air interface is described herein. Background technique [0002] In a wireless communication network, there are various mobile devices; for example, mobile phones, but also other possibly smaller mobile devices, including mobile sensors and wearable computing devices with wireless communication capabilities, such as glasses, watches, keys, wallets , access cards, devices integrated into the user's clothing and / or shoes, implants for medical purposes, etc. The listed items are merely some arbitrary examples of such devices, and are not an exhaustive list. These relatively simple mobile devices with limited battery power may need to authenticate with a node of the mobile network infrastructure or with another mobile device. Likewise, the mobile device has to transmit radio signals in order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/06
CPCH04W12/06G06F21/35H04L25/0202G06F21/44H04L25/03019H04W12/40H04W12/065H04W12/069G06F1/3206H04W74/006
Inventor 菲利普·金兹伯格卡里·莱佩
Owner HUAWEI TECH CO LTD
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