A random access procedure control method and apparatus is provided for controlling a random access procedure efficiently in a mobile communication system supporting carrier aggregation. The method for controlling random access procedure of a terminal in a wireless communication system having a primary cell and at least one secondary cell includes initiating a random access procedure in the primary cell and the at least one secondary cells, detecting a random access failure of a terminal performing the random access procedure, determining whether the random access failure is detected in the primary cell or the at least one secondary cell, and determining whether to continue the random access procedure according to a result of the determining of whether the random access failure is detected.

Claims

10 · 2 independent · depth 2

10 granted claims

›1.independentA method in a wireless communication system, the method comprising:ntransmitting, by a terminal, a random access preamble on a primary cell or a secon…+4

›6.independentA terminal in a wireless communication system, the terminal comprising:na transceiver configured to communicate signals with the base station; anda co…+4

Classifications

5 codes

IPC · International Patent Classification

Section H — Electricity

H04W24/04
H04W28/04
H04W74/08
H04L5/00
H04W76/02

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File wrapper

Pendency

1.2 y

452 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Chirag Shah

art unit 2477 · TC 2400

Law firm

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Citations: 20 back · 9 forward

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Priority chain

2 priority documents

Priority

5 Apr 2011

earliest claimed

›Priority documents — 2

Type	Document	Date
provisional	US 61471872	5 Apr 2011
related publication	US 20150134838 A1	14 May 2015

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