The regulatory body of post and telecommunications of Indonesia (SDPPI) announces the technical requirements for 76 - 77 GHz automotive short range radar systems.
Automotive radar device power is supplied to the system via DC power.
Electromagnetic Compatibility (EMC) Requirements
The EMC requirements follow ISO/IEC CISPR 32: 2018.
Emissions measurements shall be conducted if possible.
Conducted emissions performed on DC power ports follows the class A requirements of Table A.9 in clause 4 of CISPR 32.
Conducted emissions performed on network cables follows the class A requirements of Table A.12 (residential use equipment) or Table A.11 (non-residential use equipment) in clause 4 of CISPR 32.
Radiofrequency (RF) Requirements
The RF requirements follow ETSI EN 301 091.
Transmitter Requirements
| Test Parameter | Requirement |
|---|---|
| Operating frequency range | 76 - 77 GHz |
| Peak power (EIRP) | β€ 55 dBm |
| Average power (EIRP) | β€ 50 dBm |
| Emission bandwidth | β€ 1 GHz |
Out of Band Unwanted Emissions
| Frequency Range (GHz) | RMS Power Spectral Density (dBm/MHz) |
|---|---|
| F1 β€ f < fL | 0 |
| fH β€ f < F2 | 0 |
fL and fH are based on operating frequency range conformity tests (ETSI EN 301 091 clause 4.3.1.4).
F1 and F2 are from the calculation in ETSI EN 303 396 clause 6.2.11.
Radiated Spurious Emissions
| Frequency Range (MHz) | Limit | Detector |
|---|---|---|
| 47 - 74 | -54 dBm (ERP) | Quasi-Peak |
| 87.5 - 118 | -54 dBm (ERP) | Quasi-Peak |
| 174 - 230 | -54 dBm (ERP) | Quasi-Peak |
| 470 - 790 | -54 dBm (ERP) | Quasi-Peak |
| Other bands in 30 - 1000 | -36 dBm (ERP) | Quasi-Peak |
| Above 1000 | -30 dBm (ERP) | RMS |
Measurements are made up to the 2nd harmonic of the fundameental frequency (154 GHz).
RF Exposure Requirements
The EMF exposure limits are based on ICNIRP limits as show below:
| Frequency | E-Field Strength (V M-1) | H-Field Strength (A M-1) | B-Field Strength (ΞΌT) | Equivalent Plane Wave Density (W M-2) |
|---|---|---|---|---|
| 2-300 GHz | 61 | 0.16 | 0.20 | 10 |
These requirements are in effect as of February 11, 2020.