发明名称 |
Method of performing uplink synchronization in random access procedure |
摘要 |
A method and device for performing uplink synchronization in a contention based random access procedure by a mobile communication terminal in communication with a base station. The method according to an embodiment includes transmitting a random access preamble message to the base station (820); receiving a random access response from the base station (830), the random access response including a timing advance command; determining a status of a mobile communication terminal time alignment timer; and ignoring the timing advance command if the mobile communication terminal time alignment timer is determined to be running in the determining step. |
申请公布号 |
EP2101538(B1) |
申请公布日期 |
2014.10.29 |
申请号 |
EP20090003203 |
申请日期 |
2009.03.05 |
申请人 |
OPTIS CELLULAR TECHNOLOGY, LLC |
发明人 |
SUNG JUN PARK;SEUNG JUNE YI;YOUNG DAE LEE;SUNG DUCK CHUN |
分类号 |
H04W74/08;H04B7/26;H04W56/00 |
主分类号 |
H04W74/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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