Net Tx density of power e.i.r.p. dBm/MHz 1 -2 -5 Reception part: ITS Receiver bandwidth MHz 10 10 10 Noise power dBm -100 -100 -100 Antenna gain dBi 4 4 4 power per MHz at antenna input dBm/MHz -114 -114 -114 Protection Criterion I/N dB -6 -6 -6 Allowable interfering level 'I' at the dBm/MHz -120 -120 -120 receiver antenna input Main lobe RLAN - Main lobe ITS Sidelobe attenuation dB 0 0 0 Required Attenuation dB 121 118 115 Separation distance RLAN ITS → Sep. distance - model m 507 432 367 Sep. distance - Suburban model m 925 771 642 Sep. distance - Rural model m 1821 1476 1196 Sep. distance - ETSI TR 102 492 m 1044 808 625 Results of MCL calculations for interference from ITS into in the band 5855-5875 MHz Using the interference scenarios described in section 4.1.1, we set out the results of a Minimum Coupling Loss analysis where ITS is the interferer and RLAN is the victim. For each scenario, the table sets out the minimum separation required between the ITS interferer and the RLAN victim in order that the required attenuation is resolved. 12: MCL calculations for interference from ITS into RLAN separation distances – Scenario 1 Scenario 2 Parameter Unit Ext. ITS Int. ITS Antenna Antenna Emission part: ITS Bandwidth MHz 10 10 Tx e.i.r.p. dBm 33 33 Wall attenuation (hull of the car) dB 20 0 Total net power e.i.r.p. dBm 13 33 Reception part: RLAN
Net Tx density of power e.i.r.p. dBm/MHz 1 -2 -5 Reception part: ITS Receiver bandwidth MHz 10 10 10 Noise power dBm -100 -100 -100 Antenna gain dBi 4 4 4 power per MHz at antenna input dBm/MHz -114 -114 -114 Protection Criterion I/N dB -6 -6 -6 Allowable interfering level 'I' at the receiver antenna input dBm/MHz -120 -120 -120 Main lobe RLAN - Main lobe ITS Sidelobe attenuation dB 0 0 0 Required Attenuation dB 121 118 115 Separation distance RLAN → ITS Sep. distance - model m 507 432 367 Sep. distance - Suburban model m 925 771 642 Sep. distance - Rural model m 1821 1476 1196 Sep. distance - ETSI TR 102 492 m 1044 808 625 Results of MCL calculations for interference from ITS into in the band 5855-5875 MHz Using the interference scenarios described in section 4.1.1, we set out the results of a Minimum Coupling Loss analysis where ITS is the interferer and RLAN is the victim. For each scenario, the table sets out the minimum separation required between the ITS interferer and the RLAN victim in order that the required attenuation is resolved. 12: MCL calculations for interference from ITS into RLAN – separation distances Parameter Unit Scenario 1 Ext. ITS Antenna Scenario 2 Int. ITS Antenna Emission part: ITS Bandwidth MHz 10 10 Tx e.i.r.p. dBm 33 33 Wall attenuation (hull of the car) dB 20 0 Total net power e.i.r.p. dBm 13 33 Reception part: RLAN
draft_ecc_report_277.docx