US Patent Application No: 2012/0087,328

Number of patents in Portfolio can not be more than 2000

METHOD OF PERFORMING UPLINK SYNCHRONIZATION IN WIRELESS COMMUNICATION SYSTEM

ALSO PUBLISHED AS: 8649366

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Abstract

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A method of performing uplink synchronization in a wireless communication system includes transmitting a random access preamble which is randomly selected from a set of random access preambles, receiving a random access response, the random access response comprising a random access preamble identifier corresponding to the random access preamble and a time alignment value for uplink synchronization, starting a time alignment timer after applying the time alignment value, starting a contention resolution timer after receiving the random access response, wherein contention resolution is not successful when the contention resolution timer is expired, and stopping the time alignment timer when the contention resolution timer is expired.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LG ELECTRONICS INC.SEOUL, KR16581

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHUN, Sung Duck Anyang-si, KR 427 1028
LEE, Young Dae Anyang-si, KR 456 1164
PARK, Sung Jun Anyang-si, KR 401 749
YI, Seung June Anyang-si, KR 440 1150

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
SHARP KABUSHIKI KAISHA (3)
* 8,396,032 Base station device, mobile station device, communication system and communication method 0 2008
* 8,688,137 Communication apparatus and communication method 0 2008
* 2010/0173,638 COMMUNICATION APPARATUS AND COMMUNICATION METHOD 19 2008
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (1)
8,717,996 Uplink scrambling during random access 0 2012
 
BLACKBERRY LIMITED (1)
* 8,976,780 Uplink timing maintenance upon time alignment timer expiry 0 2013
 
LG ELECTRONICS INC. (1)
9,049,655 Method of performing uplink synchronization in wireless communication system 0 2013
* Cited By Examiner