TD-SCDMA 2010 1
TD-SCDMA CS PS
BBU+RRU RNC RNC RRU
GPS RRU GPS 柜 RRU BBU
GPS GPS RRU 柜 RRU BBU
I BBU + RRU
II BBU + RRU
III BBU + RRU
TD-SCDMA 2009 1 7 3G TD-SCDMA A 1880MHz 1900MHz B 2010MHz 2025MHz CDMA2000 1920 1935MHz 2110 2125MHz WCDMA 1940 1955MHz 2130 2145MHz 2011 PHS(1900 1920MHz)
A + + A/B 1 RRU 9 B
2G BBU 3G DDF ODF
BBU BBU TD 70mm
BBU BBU 20mm 800mm 50mm
BBU RRU RNC IUB E1/T1 FE BBU RRU GPS BBU RNC GPS RRU BBU 柜
BBU BBU RRU 40Km BBU RRU E1 FE FE
BBU BBU -48V 2G GPS GPS RS485 5V GPS GPS RS485
TD 2G 100mm RRU GPS
TD 45 RRU 2G TD GPS RRU / TD RRU
TD TD TD GSM mm kg mm (km/h) GSM 1310 280 120 10.6 50~114 110 200 1366 310 100 11 50~115 132 198 1340 666 71 17 50~115 132 198
TD TD GSM900 TD DCS1800 TD PHS TD WCDMA TD CDMA2000 m m 1 1 300 3.7 1.9 0.2 0.2 4 0.17 0.12
, Fresnel,. d [m] Down tilt 0 2 4 6 8 10 12 14 15 20 1 0.5 0.5 0.5 0.6 0.6 0.7 0.7 0.8 0.8 0.9 2 0.7 0.8 0.8 0.9 1.0 1.1 1.2 1.3 1.3 1.5 5 1.2 1.4 1.6 1.8 1.9 2.1 2.3 2.6 2.7 3.2 8 1.6 1.9 2.2 2.5 2.8 3.1 3.4 3.8 3.9 4.8 12 2.1 2.6 3.0 3.4 3.9 4.4 4.8 5.3 5.6 6.8 15 2.5 3.0 3.6 4.1 4.7 5.3 5.8 6.4 6.7 8.3 20 3.0 3.8 4.5 5.2 6.0 6.7 7.5 8.3 8.7 10.8 30 4.1 5.2 6.2 7.3 8.4 9.6 10.7 11.9 12.5 15.6
TD
RRU RRU BMA 80mm 5mm
GPS GPS GPS GPS NodeB NodeB GPS BBU GPS 5V GPS 3 8
GPS GPS 90 20cm 2 3
GPS
RRU
RRU 485 1 1 BBU 1 1
RRU GPS