Simulation of Third Generation CDMA Systems - Virginia Tech
Simulation of Third Generation CDMA Systems - Virginia Tech
Simulation of Third Generation CDMA Systems - Virginia Tech
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10 0 Number <strong>of</strong> Interfererssf=32sf=16sf=8sf=410 -1BER10 -210 -30 2 4 6 8 10 12Figure 4.4: BER vs Interferers at the W<strong>CDMA</strong> Uplink for Vehicular A OutdoorChannel.(E b /N 0 is 12 dB)We can observe from the figures that as the system load reaches 50%, the BERapproaches to 10% which obviously is unacceptable. However with error correction codingand antenna diversity schemes, the BER can be pushed back to an acceptable limit.61