理解 LTE-Advanced

cm829

目录
1 - 执行摘要........................................................................................................................................... 4
2 - 简介................................................................................................................................................... 5
开发载波聚合 (CA) 的动机................................................................................................................ 5
当前部署........................................................................................................................................... 5
3 - HSPA+ 载波聚合............................................................................................................................. 6
3GPP HSPA+ 演进概述................................................................................................................... 6
Release 8....................................................................................................................................... 7
Release 9....................................................................................................................................... 8
Release 10..................................................................................................................................... 9
Release 11...................................................................................................................................... 10
Release 12 及以上............................................................................................................................ 11
HSPA Release 8 及其以上的多载波原理.......................................................................................... 11
4 - LTE-Advanced 载波聚合.............................................................................................................. 14
载波聚合类型.................................................................................................................................... 14
部署策略........................................................................................................................................... 14
E-UTRA CA 频段表示法.................................................................................................................. 15
UE 带宽类型..................................................................................................................................... 17
CA 每操作频段的信道带宽................................................................................................................ 17
E-UTRAN 方面................................................................................................................................ 19
载波聚合在信令方面的影响............................................................................................................... 20
传输 (MAC) 层方面........................................................................................................................... 21
载波激活/去激活和不连续接收 DRX...................................................................................................... 23
物理层方面....................................................................................................................................... 23
下行信道质量................................................................................................................................... 23
上行控制信令................................................................................................................................... 23
上行信道质量................................................................................................................................... 23
上行传输功率控制............................................................................................................................. 24
下行无线链路监控.............................................................................................................................