Title:
APPARATUS AND METHOD FOR PERFORMING RANDOM ACCESS PROCEDURE IN MULTIPLE COMPONENT CARRIER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2013/042908
Kind Code:
A1
Abstract:
An apparatus and method for performing a random access procedure in a multiple component carrier system are disclosed. The method includes starting a first random access procedure intended for a first serving cell, increasing a preamble transmission counter indicating a retransmission number when a random access preamble is retransmitted in the first random access procedure, receiving a random access start indicator that orders a start of a second random access procedure intended for a second serving cell different from the first serving cell from a base station, holding the start of the second random access procedure if it is checked that the first random access procedure is in progress, starting the second random access procedure when the first random access procedure is terminated.
Inventors:
KWON KI BUM (KR)
AHN JAE HYUN (KR)
JUNG MYUNG CHEUL (KR)
HUH KANG SUK (KR)
AHN JAE HYUN (KR)
JUNG MYUNG CHEUL (KR)
HUH KANG SUK (KR)
Application Number:
PCT/KR2012/007428
Publication Date:
March 28, 2013
Filing Date:
September 18, 2012
Export Citation:
Assignee:
PANTECH CO LTD (KR)
International Classes:
H04W74/08; H04B7/26; H04J11/00
Foreign References:
| US20110045863A1 | 2011-02-24 | |||
| KR20000014101A | 2000-03-06 | |||
| KR20090063141A | 2009-06-17 |
Attorney, Agent or Firm:
S&IP PATENT & LAW FIRM (Gangnam-gu, Seoul 135-080, KR)
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