发明申请
US20130010711A1 Random Access with Primary and Secondary Component Carrier Communications
审中-公开

基本信息:
- 专利标题: Random Access with Primary and Secondary Component Carrier Communications
- 专利标题(中):随机接入主要和次要分量载波通信
- 申请号:US13502309 申请日:2012-03-09
- 公开(公告)号:US20130010711A1 公开(公告)日:2013-01-10
- 发明人: Daniel Larsson , Lisa Boström , Dirk Gerstenberger , Jung-Fu Cheng , Robert Baldemair , Mattias Frenne
- 申请人: Daniel Larsson , Lisa Boström , Dirk Gerstenberger , Jung-Fu Cheng , Robert Baldemair , Mattias Frenne
- 国际申请: PCT/SE2012/050265 WO 20120309
- 主分类号: H04W74/08
- IPC分类号: H04W74/08 ; H04W52/04
摘要:
The invention relates to random access procedures in an LTE-system applying carrier aggregation, in particular to support network-initiated random access on secondary cells. A UE transmits a preamble on a random access channel to a radio base station on a secondary cell and receives or detects a random access response message from the base station including timing advance information for uplink transmission by the UE. The UE can determine the secondary cell that the control information in the random access response message refers to and transmits to the base station based on the timing advance information in the random access response message.
摘要(中):
本发明涉及应用载波聚合的LTE系统中的随机接入过程,特别是在二次小区上支持网络发起的随机接入。 UE将随机接入信道上的前导码发送到二次小区上的无线基站,接收或检测来自基站的随机接入响应消息,其包括用于UE的上行链路传输的定时提前信息。 UE可以基于随机接入响应消息中的定时提前信息来确定随机接入响应消息中的控制信息参考并发送到基站的二次小区。
IPC结构图谱:
H | 电学 |
--H04 | 电通信技术 |
----H04W | 无线通信网络 |
------H04W74/00 | 无线信道接入,例如,调度接入或随机接入 |
--------H04W74/08 | .非调度接入,例如,随机接入,ALOHA或CSMA |