E-UTRA FDD/TDD下行/上行峰值速率(帧结构类型1)
|
Downlink |
Uplink |
Assumptions |
64 QAM, R=1
Signal overhead for reference signals and control channel occupying one OFDM symbol |
Single TX UE, R=1
Signal overhead for reference signals and control channel occupying 2RB |
Unit |
Mbps in 20 MHz |
b/s/Hz |
Mbps in 20 MHz |
b/s/Hz |
Requirement |
100 |
5.0 |
50 |
2.5 |
Modulation |
2x2 MIMO: 172.8
4x4 MIMO: 326.4 |
2x2 MIMO: 8.6
4x4 MIMO: 16.3 |
16QAM: 57.6
64QAM: 86.4 |
16QAM: 2.9
64QAM: 4.3 |
E-UTRA TDD 峰值速率(TD帧结构类型2)
|
Downlink |
Uplink |
Assumptions |
64 QAM, R=1
frame structure type 3 |
Single TX UE, 64QAM, R=1
frame structure type 2 |
Unit |
Mbps in 20 MHz |
b/s/Hz |
Mbps in 20 MHz |
b/s/Hz |
Requirement |
100 |
5.0 |
50 |
2.5 |
2x2 MIMO in DL |
142 |
7.1 |
62.7 |
3.1 |
4x4 MIMO in DL |
270 |
13.5 |
下行特性
- 正交频分复用(OFDM),15 kHz子载波
- BPSK, QPSK, 16QAM, 64QAM 调制
- 可变 RF 带宽, 1.4 MHz - 20 MHz
- 基于发射分集和空间多路的MIMO技术
- 与3.5G类似的重传和调度技术
- MBMS
- 载波聚合
- eICIC / FeICIC / CoMP
上行特性
- 单载波的频分复用,15 kHz子载波
- BPSK, QPSK, 16QAM, 64QAM 调制
- 可变 RF 带宽, 1.4 MHz - 20 MHz
- 与3.5G类似的重传和调度技术
- 随机接入方式
- 载波聚合