(4) Measured with prototype receivers. Error rate before RS decoding 2 10–4, error rate after RS decoding 1 10–11 2.4.2 Analogue television systems Characteristics of radiated signals of conventional analogue television systems are contained in Recommendation ITU-R BT.1701. 2.4.3 Broadcasting network characteristics (for both analogue and digital) The main network characteristics are given in Table 2.4.3-1 with ranges for their values: TABLE 2.4.3-1 Range of Network characteristics GE06 Digital GE06 Region 2 Region 2 Region 3 Region 3 Analogue Digital Analogue Digital Analogue Transmitter e.r.p.: From to From to From 47 to From to From From –17 –16 –10 –10.9 –12.2 (dBW) 53 61 60 67 to 57 to 65.0 Height ground From 2 to From 2 to From 10 to From 12 to From 1 to From 0 to level (m) 360 320 453 224 481 270 Site altitude (m) From From From 2 to From From 0 to From 0 to –999 –180 –600 to 4 507 to 4 507 451 to 4 054 2 091 2 036 effective antenna From From From 40 to From 0 to From From 0 to –500 –958 height (m) to 2 999 207 to 472 2 168 to 1 755 1 800 2 200 Vertical antenna See Figure 2.4.3-1 pattern Polarization horizontal horizontal horizontal horizontal horizontal horizontal or vertical or vertical or vertical or vertical or vertical or mixed, or mixed or mixed or Downtilt angle From 0 to From 0 to - - - - (deg.) –1 –1 FIGURE 2.4.3-1 Broadcasting Tx antenna vertical pattern Broadcast transmitter antenna vertical pattern is given in Figure 2.4.3-1 with reference angle for broadcast transmission is 0°. 2.4.3-3 Spectrum mask of DTMB non-critical case – Relative frequency (DTMB) DTMB Non critical case (MHz) (dB/8 MHz) –12 –100 –10.75 –76.9 –9.75 –76.9 –5.75 –74.2
(4) Measured with prototype receivers. Error rate before RS decoding 2 10–4, error rate after RS decoding 1 10–11 2.4.2 Analogue television systems Characteristics of radiated signals of conventional analogue television systems are contained in Recommendation ITU-R BT.1701. 2.4.3 Broadcasting network characteristics (for both analogue and digital) The main network characteristics are given in Table 2.4.3-1 with ranges for their values: TABLE 2.4.3-1 Range of Network characteristics GE06 Digital GE06 Analogue Region 2 Digital Region 2 Analogue Region 3 Digital Region 3 Analogue Transmitter e.r.p.: (dBW) From –17 to 53 From –16 to 61 From 47 to 60 From –10 to 67 From –10.9 to 57 From –12.2 to 65.0 Height ground level (m) From 2 to 360 From 2 to 320 From 10 to 453 From 12 to 224 From 1 to 481 From 0 to 270 Site altitude (m) From –999 to 4 507 From –180 to 4 507 From 2 to 451 From –600 to 4 054 From 0 to 2 091 From 0 to 2 036 effective antenna height (m) From –500 to 2 999 From 207 to 2 200 From 40 to 472 From 0 to 2 168 From –958 to 1 755 From 0 to 1 800 Vertical antenna pattern See Figure 2.4.3-1 Polarization horizontal or vertical or mixed, horizontal or vertical or mixed horizontal horizontal or vertical or mixed horizontal or vertical or horizontal or vertical Downtilt angle (deg.) From 0 to –1 From 0 to –1 - - - - 2.4.3-1 Broadcasting Tx antenna vertical pattern Broadcast transmitter antenna vertical pattern is given in Figure 2.4.3-1 with reference angle for broadcast transmission is 0°. 2.4.3-3 Spectrum mask of DTMB – non-critical case Relative frequency (DTMB) DTMB Non critical case (MHz) (dB/8 MHz) –12 –100 –10.75 –76.9 –9.75 –76.9 –5.75 –74.2 FIGURE
R-REP-M.2241-2011-MSW-E.docx