Method of performing uplink synchronization in wireless communication system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8649366
APP PUB NO 20120087328A1
SERIAL NO

13332203

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ATTORNEY / AGENT: (SPONSORED)

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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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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LG ELECTRONICS INC.SEOUL, KR21199

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chun, Sung Duck Anyang-si, KR 473 5950
Lee, Young Dae Anyang-si, KR 521 6282
Park, Sung Jun Anyang-si, KR 453 4035
Yi, Seung June Anyang-si, KR 496 6034

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (2)
* 8743863 Method for ranging devices using code sequences in WLANs 0 2009
* 2010/0046,491 METHOD FOR RANGING DEVICES USING CODE SEQUENCES IN WLANs 4 2009
 
LG ELECTRONICS INC. (2)
* 8971349 Method of performing random access procedure in wireless communication system 3 2013
9338800 Method of performing random access procedure in wireless communication system 0 2015
* Cited By Examiner

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