作者:华检检测 时间:2018-12-14 15:08 人气:
01
进网许可,即CTA测试
LTE终端 CTA认证射频测试主要包括射频接收测试、接收性能测试和信道状态信息上报三大类,其参考标准为YD/T 2576.2-2013《TD-LTE 数字蜂窝移动通信网终端设备测试方法(第一阶段)第2部分:无线射频性能测试》和YD/T 2578.2-2013《LTE FDD数字蜂窝移动通信网终端设备测试方法(第一阶段)第2部分:无线射频性能测试》,具体测试项目如下:
一、TD-LTE(YD/T 2576.2-2013) |
|
1、射频接收机测试 |
|
1 |
6.3 参考灵敏度电平 |
2 |
6.4 最大输入电平 |
3 |
6.5 邻道选择性 (ACS) |
4 |
6.6.1 带内阻塞 |
5 |
6.6.3 窄带阻塞 |
6 |
6.8.1 宽带互调 |
7 |
6.9 杂散辐射 |
2、接收性能测试 |
|
8 |
7.1.1.1 TDD PDSCH 单天线端口性能 |
9 |
7.1.2.2 TDD PDSCH 发射分集 2x2 |
10 |
7.1.3.1 TDD PDSCH 开环空分复用2x2 |
11 |
7.1.3.2 TDD PDSCH 开环空分复用4x2 |
12 |
7.1.4.1 TDD PDSCH 闭环单/多流空分复用2x2 |
13 |
7.1.4.2 TDD PDSCH 闭环单/多流空分复用4x2 |
3、信道状态信息上报 |
|
14 |
8.2.1 AWGN 条件下的CQI 上报 - PUCCH 1-0 |
15 |
8.3.1.1 衰落条件下的CQI 上报 – PUSCH 3-0 |
二、LTE FDD(YD/T 2578.2-2013) |
|
1、射频接收机测试 |
|
1 |
6.3 参考灵敏度电平 |
2 |
6.4 最大输入电平 |
3 |
6.5 邻道选择性 (ACS) |
4 |
6.6.1 带内阻塞 |
5 |
6.6.3 窄带阻塞 |
6 |
6.8.1 宽带互调 |
7 |
6.9 杂散辐射 |
2、接收性能测试 |
|
8 |
7.1.1.1 FDD PDSCH 单天线端口性能 |
9 |
7.1.2.1 FDD PDSCH 发射分集 2x2 |
10 |
7.1.3.1 FDD PDSCH 开环空分复用2x2 |
11 |
7.1.3.2 FDD PDSCH 开环空分复用4x2 |
12 |
7.1.4.1 FDD PDSCH 闭环单/多流空分复用2x2 |
13 |
7.1.4.2 FDD PDSCH 闭环单/多流空分复用4x2 |
3、信道状态信息上报 |
|
14 |
8.2.1 AWGN 条件下的CQI 上报 - PUCCH 1-0 |
15 |
8.3.1.1 衰落条件下的CQI 上报 – PUSCH 3-0 |
注意事项:(1)测试接收性能时需要关闭高层业务、连接收分集和屏蔽室关门。
02
CE认证
目前LTE CE认证射频测试主要包括五项发射机测试和六项接收机测试,LTE CE认证射频测试涉及的参考标准ETSI EN 301 908-13(V11.1.2),具体测试项如下:
3GPP TS 36.521-1 |
ETSI EN 301 908-13 |
Test case Description |
Test environment |
6.2.2 |
4.2.2.1 |
Transmitter maximum output power for Single Carrier |
NTC+EXT |
6.6.2.1/6.6.2.2 |
4.2.3.1 |
Transmitter spectrum emission mask for Single Carrier |
NTC |
6.6.3.1/6.6.3.2/6.6.3.3 |
4.2.4.1 |
Transmitter spurious emissions for Single Carrier |
NTC |
6.3.2 |
4.2.5.1 |
Transmitter minimum output power for Single Carrier |
NTC+EXT |
7.5 |
4.2.6.1 |
Receiver Adjacent Channel Selectivity (ACS) for Single Carrier |
NTC |
7.6.1/7.6.2/7.6.3 |
4.2.7.1 |
Receiver Blocking Characteristics for Single Carrier |
NTC |
7.7 |
4.2.8.1 |
Receiver Spurious Response for Single Carrier |
NTC |
7.8 |
4.2.9.1 |
Receiver Intermodulation Characteristics for Single Carrier |
NTC |
7.9 |
4.2.10.1 |
Receiver Spurious Emissions for Single Carrier |
NTC |
6.6.2.3 |
4.2.11.1 |
Transmitter adjacent channel leakage power ratio for Single Carrier |
NTC+EXT |
7.3 |
4.2.12 |
Receiver Reference Sensitivity Level |
NTC+EXT |
6.2.2A.1 |
4.2.2.2 |
Transmitter output power for intra-band contiguous Carrier Aggregation(DL CA and UL CA) |
NTC+EXT |
6.6.2.1A.1 |
4.2.3.2 |
Transmitter spectrum emission mask for intra-band contiguous Carrier Aggregation (DL CA and UL CA) |
NTC |
6.6.3.1A.1/6.6.3.2A.1 |
4.2.4.2 |
Transmitter spurious emissions for intra-band contiguous Carrier Aggregation (DL CA and UL CA) |
NTC |
6.3.2A.1 |
4.2.5.2 |
Transmitter minimum output power for intra-band contiguous Carrier Aggregation (DL CA and UL CA) |
NTC+EXT |
7.5A.3 |
4.2.6.2 |
Receiver Adjacent Channel Selectivity (ACS) for Carrier Aggregation in DL-only bands |
NTC |
7.6.1A.3/7.6.2A.2/7.6.3A.3 |
4.2.7.2 |
Receiver Blocking Characteristics for Carrier Aggregation in DL-only bands |
NTC |
7.7A.3 |
4.2.8.2 |
Receiver Spurious Response for Carrier Aggregation in DL-only bands |
NTC |
7.8.1A.3 |
4.2.9.2 |
Receiver Intermodulation Characteristics for Carrier Aggregation in DL-only bands |
NTC |
7.9A |
4.2.10.2 |
Receiver Spurious Emissions in DL-only bands |
NTC |
6.6.2.3A.1 |
4.2.11.2 |
Transmitter adjacent channel leakage power ratio for intra-band contiguous Carrier Aggregation (DL CA and UL CA) |
NTC+EXT |
注意事项:
(1) 4.2.3.1 Transmitter Spectrum Emission Mask这条CE标准中对band20增加了Additional spectrum emission mask要求。
(2) 4.2.4.1这项测试的共存杂散Spurious emission band UE co-existence的要求CE标准和3GPP标准有差别; CE标准中对band20增加了Additional spurious emissions 要求 。
03
FCC认证
FCC认证射频测试都是发射机测试,涉及测试标准CFR 47,FCC Part2/22/24/27/90,具体测试项如下:
Number |
Test Case |
Clause in FCC rules |
1 |
Output Power (conducted) |
2.1046/22.913/24.232/27.50/90.635 |
2 |
Frequency Stability |
2.1055/22.355/24.235/27.54/90.213 |
3 |
Occupied Bandwidth |
2.1049/22.917/24.238/27.53/90.1215 |
4 |
Emission Bandwidth |
2.1049/22.917/24.238/27.53/90.1215 |
5 |
Band Edge Compliance |
2.1051/22.917/24.238/27.53/90.691 |
6 |
EmissionMask(Band14/26) |
90.691 |
7 |
Conducted spurious Emission |
2.1051/22.917/24.238/27.53/90.691 |
8 |
Peak-to-average power ratio |
KDB97116801(5.7.1)/24.232/27.50 |