APPARATUS AND METHOD FOR PERFORMING WIRELESS CONNECTION RE-ESTABLISHMENT IN A MULTIPLE COMPONENT CARRIER SYSTEM

WIPO Patent Application WO/2012/081923

A2

Provided are an apparatus and a method for performing wireless connection re-establishment in a multiple component carrier system. The present description discloses a terminal comprising: a cell selection unit which selects a cell for said wireless connection re-establishment upon occurrence of failure of wireless connection; a sub-serving cell setting information constructing unit which constructs sub-serving cell setting information for specifying at least one sub-serving cell set for the terminal; a message transmitting unit which transmits a wireless connection re-establishment request message for requesting procedures for the wireless connection re-establishment and a wireless connection re-establishment completion message indicating the completion of the procedures for the wireless connection re-establishment, to a base station through the selected cell; and a message receiving unit which receives a wireless connection re-establishment message as a response to said wireless connection re-establishment request message. According to the present invention, RRC connection re-establishment procedures are performed using sub-serving cell setting information, and therefore, change of configuration of the sub-serving cell which has been already set between the terminal and the base station may be performed without exchanging any additional message when the sub-serving cell is added/changed/removed.

KWON KI BUM (KR)
JUNG MYUNG CHEUL (KR)

PCT/KR2011/009688

June 21, 2012

December 15, 2011

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PANTECH CO LTD (KR)
KWON KI BUM (KR)
JUNG MYUNG CHEUL (KR)

H04W76/04; H04B7/26; H04J11/00; H04W88/02

US7155261B2	2006-12-26
US20010036831A1	2001-11-01

YANG, Moon Ock (KR)
양문옥 (KR)

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