Carrier Spacing and Deployment Scenarios

The carrier spacing has a range of 200 kHz and can differ from 4.2 to 5.4 MHz, the different carrier spacing can be used to obtain suitable adjacent channel protections depending on the interference scenario. Figure 30 shows an example, where the bandwidth of 15 MHz with three cell layers. Larger carrier spacing can be applied between operators, than within one operators band in order to avoid inter-operator interference. Interfrequency measurements and handovers are supported by WCDMA to make use of three cell layers and carriers.