specification does not continue to with additional frequency separation. It can be “roll-off” concluded from Fig. A4-4 that increasing the size of the guard band beyond 20 MHz has no effect on reducing the separation distance required to protect the FSS receiving earth station, i.e. for example if the guard band were to increase from 20 to 100 MHz, the same separation distance would still be required to ensure protect the FSS receiving earth station from harmful interference from IMTA systems. A4-4 Aggregate protection distance versus band size 4.4.1.2 Indoor deployments Small cell urban indoor deployment results for the in-band, long-term interference threshold case with IF filtering only are presented in Table A4-5. A4-5 cell indoor urban in-band, long-term interference threshold protection distances from IMT-Advanced base stations to FSS earth stations, with IF filtering only Receiver antenna Single-entry protection Building attenuation, Aggregate protection elevation angle, distance, on Azimuth, dB distance, km degrees km 5 8.4 8.4 5 30 3.9 4.0 5 8.1 8.1 10 30 3.8 3.8 5 4.2 4.2 15 30 3.0 3.0 5 4.1 4.1 20 30 1.5 1.5 Small cell urban indoor deployment results for the adjacent-band, long-term interference threshold case with IF filtering only are presented in Table A4-6. TABLE A4-6 Small cell indoor urban adjacent-band, long-term interference threshold protection distances from IMT-Advanced base stations to FSS earth stations, with IF filtering only Receiver antenna Single-entry protection Building attenuation, Aggregate protection elevation angle, distance, on Azimuth, dB distance, km degrees km 5 1.5 1.5 5 30 0.4 0.4 5 1.4 1.4 10 30 0.2 0.2
specification does not continue to “roll-off” with additional frequency separation. It can be concluded from Fig. A4-4 that increasing the size of the guard band beyond 20 MHz has no effect on reducing the separation distance required to protect the FSS receiving earth station, i.e. for example if the guard band were to increase from 20 to 100 MHz, the same separation distance would still be required to ensure protect the FSS receiving earth station from harmful interference from IMTA systems. A4-4 Aggregate protection distance versus band size 4.4.1.2 Indoor deployments Small cell urban indoor deployment results for the in-band, long-term interference threshold case with IF filtering only are presented in Table A4-5. A4-5 cell indoor urban in-band, long-term interference threshold protection distances from IMT-Advanced base stations to FSS earth stations, with IF filtering only Receiver antenna elevation angle, degrees Building attenuation, dB Single-entry protection distance, on Azimuth, km Aggregate protection distance, km 5 5 8.4 8.4 30 3.9 4.0 5 10 8.1 8.1 30 3.8 3.8 5 15 4.2 4.2 30 3.0 3.0 5 20 4.1 4.1 30 1.5 1.5 Small cell urban indoor deployment results for the adjacent-band, long-term interference threshold case with IF filtering only are presented in Table A4-6. TABLE A4-6 Small cell indoor urban adjacent-band, long-term interference threshold protection distances from IMT-Advanced base stations to FSS earth stations, with IF filtering only Receiver antenna elevation angle, degrees Building attenuation, dB Single-entry protection distance, on Azimuth, km Aggregate protection distance, km 5 5 1.5 1.5 30 0.4 0.4 5 10 1.4 1.4 30 0.2 0.2
R-REP-S.2368-2015-MSW-E.docx