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, KR15727

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chun, Sung Duck Anyang, KR 729 3186
Lee, Young Dae Kyoungki-do, KR 773 3430
Park, Sung Jun - 632 1837
Yi, Seung June Seoul, KR 725 2994

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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 17 2008
 
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (1)
8,717,996 Uplink scrambling during random access 0 2012
* Cited By Examiner