ount RNC-A (Iu, RNC-A count RNC-B (Iu + Iur) (Mbps) + Iur) (Mbps) RNC-B City A City B City C The UMTS Network and Radio Access Technology Table 7.20 Link Budget Example Uplink Units Uplink Speech LCD64 LCD144 UDD64 UDD144 UDD384 Radio channels/total channels Activity factor DL orthogonality factor Chip rate Mchip PCCPCH bit rate Service bit rate Processing gain 314.6 Target Eb/No Required PCCPCH Eb/No Required SCH Ec/It TX info Cable and combiner losses Tx antenna gain DL Tx power SCH Tx power PCCPCH Tx power Total Tx power Total Tx EIRP RX info Rx antenna gain Cable and connecto losses Receiver noise figure Thermal noise dBm/Hz Service Rx sensitivity Synchronization Rx sensit. Pilot Rx sensitivity Gains Log normal fade mar- Penetration margin Body loss Soft HO gain Max path loss for services Max pilot and sync channel DL Cell range Loading factor No. active channels per serv. Total no. active channels/cell Deploying 3G Networks Table 7.21 Link Budget Example Downlink Units Uplink Speech LCD64 LCD144 UDD64 UDD144 UDD384 Radio channels/total channels Activity factor DL orthogonality factor Chip rate Mchip PCCPCH bit rate Service bit rate Processing gain Target Eb/No Required PCCPCH Eb/No Required SCH Ec/It TX info Cable and combiner losses Tx antenna gain DL Tx power per service SCH Tx power PCCPCH Tx power Total Tx power Total Tx EIRP RX info Rx antenna gain Cable and connecto losses Receiver noise figure Thermal noise dBm/Hz Service Rx sensitivity -115.5 -109.5 Synchronization Rx -115.1 -115.1 -115.1 -115.1 -115.1 -115.1 sensit. Pilot Rx sensitivity -115.2 -115.2 -115.2 -115.2 -115.2 -115.2 Gains Log normal fade mar- Penetration margin Body loss Soft HO gain Max path loss for services Max pilot and sync channel DL Cell range Loading factor No. active channels per serv. Total no. active channels/cell The UMTS Network and Radio Access Technology CORE NETWORK (CN) DESIGN The basic input for the CN dimensioning is also given in Table 7.5 and Table 7.11. In addition, it includes the results illustrated in Table 7.10 