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Method and user equipment (UE) for reconnecting rrc connection with radio access network (RAN) node

A wireless resource control, wireless access network technology, applied in connection management, wireless communication, security devices, etc., can solve problems such as attacks

Pending Publication Date: 2020-04-10
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] In case of denial of recovery from the eNB / gNB, the short MAC-I has been exposed when the UE 102 tries to recover in the same cell, which is then captured by the attacker and can be sent on behalf of the trusted UE 102 Short MAC-I (initiating a replay attack), which leads to a DoS attack on trusted UEs

Method used

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  • Method and user equipment (UE) for reconnecting rrc connection with radio access network (RAN) node
  • Method and user equipment (UE) for reconnecting rrc connection with radio access network (RAN) node
  • Method and user equipment (UE) for reconnecting rrc connection with radio access network (RAN) node

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Embodiment Construction

[0107] Embodiments of the present disclosure are described with reference to the drawings.

[0108] The present disclosure may omit descriptions of technologies that are known to those skilled in the art and are not directly related to the present disclosure.

[0109] In the drawings, some elements may be exaggerated, omitted or schematically shown. Also, the size of each element does not necessarily reflect an actual size. In the drawings, the same or corresponding elements may be provided with the same reference numerals.

[0110] The present disclosure is not limited to the embodiments set forth below, but can be implemented in various forms.

[0111] In the flowchart illustrations, computer program instructions can implement each block and combinations of blocks.

[0112] Computer program instructions may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that the instructions executed v...

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Abstract

Accordingly the embodiments herein provide a method for reconnecting a Radio Resource Control (RRC) connection with a Radio Access Network (RAN) node by User Equipment (UE) in a wireless communicationsystem. The method includes transmitting a message 3 (MSG3) of a random access procedure on Signaling Radio Bearer 0 (SRB0) for reconnecting the RRC connection. The MSG3 is a request message to the RAN node with set of connection parameters. Further, the method includes receiving a message 4 (MSG4) of the random access procedure from the RAN node. The MSG4 is received on a SRB0 or a Signaling Radio Bearer 1 (SRB1). Furthermore, the method includes transmitting a message 5 (MSG5) on the SRB1 to RAN node for reconnecting RRC connection. The proposed method can be used to mitigate a replay attack on the UE in an inactive state using a nonce and a wait time interval.

Description

technical field [0001] The present disclosure relates to a user equipment (UE) reconnecting an RRC connection in a wireless communication system. More specifically, the present invention relates to a method and system for a UE-initiated recovery procedure and re-establishment procedure with a Radio Access Network (RAN) node. Background technique [0002] In recent years, several broadband wireless technologies have been developed to satisfy more and more broadband users and provide more and better applications and services. Second generation wireless communication systems have been developed to provide voice services while ensuring user mobility. The third generation wireless communication system supports not only voice service but also data service. In recent years, fourth-generation wireless communication systems have been developed to provide high-speed data services. However, current fourth generation wireless communication systems suffer from insufficient resources t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/27H04W12/06H04W12/10H04W74/08
CPCH04W12/06H04W74/0833H04W76/27H04W12/009H04W36/305H04W76/19H04W12/106
Inventor M.A.英加尔R.雷加杜莱A.阿吉瓦尔
Owner SAMSUNG ELECTRONICS CO LTD