发明名称 |
METHOD OF PERFORMING UPLINK SYNCHRONIZATION IN RANDOM ACCESS PROCEDURE |
摘要 |
A method and device for performing 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; receiving a random access response from the base station, 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 |
US2009232107(A1) |
申请公布日期 |
2009.09.17 |
申请号 |
US20090392654 |
申请日期 |
2009.02.25 |
申请人 |
PARK SUNG JUN;YI SEUNG JUNE;LEE YOUNG DAE;CHUN SUNG DUCK |
发明人 |
PARK SUNG JUN;YI SEUNG JUNE;LEE YOUNG DAE;CHUN SUNG DUCK |
分类号 |
H04J3/00 |
主分类号 |
H04J3/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|