暴风模式之蓝牙认证中射频测试详解(1 )-后续
2)由 蓝牙技术 到 蓝牙标准
由于Bluetooth SIG的蓝牙射频测试标准时针对蓝牙技术定的,即在明确了蓝牙技术后,后面的流程就简单了。
Bluetooth SIG针对蓝牙技术的射频测试标准如下:
蓝牙技术 |
蓝牙标准 (当前最新版本) |
传统蓝牙技术 |
RF.TS.4.2.0 Radio Frequency (RF) Bluetooth® Test Specification |
蓝牙低功耗技术 |
RF-PHY.TS.4.2.0 RF PHY Bluetooth® Test Specification |
即在1)中确定了蓝牙产品的蓝牙技术之后,就可以依据上表来确定该蓝牙产品在蓝牙认证过程中所需依据的蓝牙射频测试标准了。
3)由 蓝牙标准 到 测试项目
蓝牙标准明确的列出了对应蓝牙技术的蓝牙测试项目,即在确认了蓝牙标准之后,蓝牙的射频测试项目就很清晰了。
Ø 传统蓝牙技术
NO. |
BT Tech. |
Test Case |
|
1 |
BR |
TRM/CA/01/C |
Output Power |
2 |
TRM/CA/02/C |
Power Density |
|
3 |
TRM/CA/03/C |
Power Control |
|
4 |
TRM/CA/04/C |
TX Output Spectrum – Frequency range |
|
5 |
TRM/CA/05/C |
TX Output Spectrum – 20 dB Bandwidth |
|
6 |
TRM/CA/06/C |
TX Output Spectrum – Adjacent channel power |
|
7 |
TRM/CA/07/C |
Modulation Characteristics |
|
8 |
TRM/CA/08/C |
Initial Carrier Frequency Tolerance |
|
9 |
TRM/CA/09/C |
Carrier Frequency Drift |
|
10 |
RCV/CA/01/C |
Sensitivity – single slot packets |
|
11 |
RCV/CA/02/C |
Sensitivity - multi-slot packets |
|
12 |
RCV/CA/03/C |
C/I performance |
|
13 |
RCV/CA/04/C |
Blocking performance |
|
14 |
RCV/CA/05/C |
Intermodulation Performance |
|
15 |
RCV/CA/06/C |
Maximum Input Level |
|
16 |
EDR |
TRM/CA/10/C |
EDR Relative Transmit Power |
17 |
TRM/CA/11/C |
EDR Carrier Frequency Stability and Modulation Accuracy |
|
18 |
TRM/CA/12/C |
EDR Differential Phase Encoding |
|
19 |
TRM/CA/13/C |
EDR In-band Spurious Emissions |
|
20 |
TRM/CA/14/C |
Enhanced Power Control |
|
21 |
RCV/CA/07/C |
EDR Sensitivity |
|
22 |
RCV/CA/08/C |
EDR BER Floor Performance |
|
23 |
RCV/CA/09/C |
EDR C/I Performance |
|
24 |
RCV/CA/10/C |
EDR Maximum Input Level |
Ø 蓝牙低功耗技术
NO. |
BT Tech. |
Test Case |
|
1 |
BLE |
TRM-LE/CA/01/C |
Output power at NOC |
2 |
TRM-LE/CA/02/C |
Output power at EOC |
|
3 |
TRM-LE/CA/03/C |
In-band emissions at NOC |
|
4 |
TRM-LE/CA/04/C |
In-band emissions at EOC |
|
5 |
TRM-LE/CA/05/C |
Modulation characteristics |
|
6 |
TRM-LE/CA/06/C |
Carrier frequency offset and drift at NOC |
|
7 |
TRM-LE/CA/07/C |
Carrier frequency offset and drift at EOC |
|
8 |
RCV-LE/CA/01/C |
Receiver sensitivity at NOC |
|
9 |
RCV-LE/CA/02/C |
Receiver sensitivity at EOC |
|
10 |
RCV-LE/CA/03/C |
C/I and receiver selectivity performance |
|
11 |
RCV-LE/CA/04/C |
Blocking performance |
|
12 |
RCV-LE/CA/05/C |
Intermodulation performance |
|
13 |
RCV-LE/CA/06/C |
Maximum input signal level |
|
14 |
RCV-LE/CA/07/C |
PER Report Integrity |
以上,即完成在蓝牙认证中蓝牙产品的射频测试项目的确认。
当然,即使是使用相同蓝牙技术的蓝牙产品,也会由于其对可选功能是否支持的差异,造成最终射频测试项目的差异。由于差异很小,在这里不再赘述。不过精彩的还在后面,蓝牙认证中的射频测试问题如果是你感兴趣的话,一定要持续关注哦~!
来源:BALUN原创 作者:尚丹丹 责任编辑:芭拉小编
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