WO2008156276A3 - Method of performing uplink synchronization in wireless communication system - Google Patents

Method of performing uplink synchronization in wireless communication system Download PDF

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Publication number
WO2008156276A3
WO2008156276A3 PCT/KR2008/003403 KR2008003403W WO2008156276A3 WO 2008156276 A3 WO2008156276 A3 WO 2008156276A3 KR 2008003403 W KR2008003403 W KR 2008003403W WO 2008156276 A3 WO2008156276 A3 WO 2008156276A3
Authority
WO
WIPO (PCT)
Prior art keywords
random access
uplink synchronization
contention resolution
time alignment
wireless communication
Prior art date
Application number
PCT/KR2008/003403
Other languages
French (fr)
Other versions
WO2008156276A2 (en
Inventor
Sung Jun Park
Young Dae Lee
Seung June Yi
Sung Duck Chun
Original Assignee
Lg Electronics Inc
Sung Jun Park
Young Dae Lee
Seung June Yi
Sung Duck Chun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39791777&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008156276(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from KR1020080023809A external-priority patent/KR101473005B1/en
Application filed by Lg Electronics Inc, Sung Jun Park, Young Dae Lee, Seung June Yi, Sung Duck Chun filed Critical Lg Electronics Inc
Priority to BRPI0806512-8A priority Critical patent/BRPI0806512B1/en
Priority to CN2008800025124A priority patent/CN101589566B/en
Priority to GB0911230.1A priority patent/GB2457852B/en
Priority to JP2009545505A priority patent/JP5027251B2/en
Publication of WO2008156276A2 publication Critical patent/WO2008156276A2/en
Publication of WO2008156276A3 publication Critical patent/WO2008156276A3/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0005Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662Arrangements for Wireless System Synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662Arrangements for Wireless System Synchronisation
    • H04B7/2668Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • H04W56/0015Synchronization between nodes one node acting as a reference for the others
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/004Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/002Transmission of channel access control information
    • H04W74/008Transmission of channel access control information with additional processing of random access related information at receiving side
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/08Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/08Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Abstract

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.
PCT/KR2008/003403 2007-06-18 2008-06-18 Method of performing uplink synchronization in wireless communication system WO2008156276A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRPI0806512-8A BRPI0806512B1 (en) 2007-06-18 2008-06-18 Methods of performing uplink synchronization on wireless communication system
CN2008800025124A CN101589566B (en) 2007-06-18 2008-06-18 Method of performing uplink synchronization in wireless communication system
GB0911230.1A GB2457852B (en) 2007-06-18 2008-06-18 Method of performing uplink synchronization in wireless communication system
JP2009545505A JP5027251B2 (en) 2007-06-18 2008-06-18 Method for performing uplink synchronization in a wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US94478507P 2007-06-18 2007-06-18
US60/944,785 2007-06-18
KR10-2008-0023809 2008-03-14
KR1020080023809A KR101473005B1 (en) 2008-03-14 2008-03-14 Method of performing uplink synchronization in wireless communication system

Publications (2)

Publication Number Publication Date
WO2008156276A2 WO2008156276A2 (en) 2008-12-24
WO2008156276A3 true WO2008156276A3 (en) 2009-02-05

Family

ID=39791777

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/003403 WO2008156276A2 (en) 2007-06-18 2008-06-18 Method of performing uplink synchronization in wireless communication system

Country Status (9)

Country Link
US (4) US8107456B2 (en)
EP (2) EP2015478B1 (en)
JP (2) JP5027251B2 (en)
BR (1) BRPI0806512B1 (en)
ES (2) ES2652668T3 (en)
GB (2) GB2485081B8 (en)
HU (1) HUE033683T2 (en)
TW (1) TWI373933B (en)
WO (1) WO2008156276A2 (en)

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