The effect of phase noise on the performance of CDMA is considered in radio systems using DPSK modulation. Phase noise can be a great impairment for low cost high-frequency oscillators especially for low bit-rates. DPSK is chosen as the modulation format as it allows a simple differential receiver scheme. The error probability is evaluated in the presence of phase noise for the standard DPSK and for CDMA systems with both hard and soft de-spreading of the direct-sequence coded signal.
Phase noise effects in CDMA systems with DPSK modulation
CORVAJA, ROBERTO;PUPOLIN, SILVANO
1997
Abstract
The effect of phase noise on the performance of CDMA is considered in radio systems using DPSK modulation. Phase noise can be a great impairment for low cost high-frequency oscillators especially for low bit-rates. DPSK is chosen as the modulation format as it allows a simple differential receiver scheme. The error probability is evaluated in the presence of phase noise for the standard DPSK and for CDMA systems with both hard and soft de-spreading of the direct-sequence coded signal.File in questo prodotto:
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