Title :
Generalized multicarrier DS-CDMA using various chip waveforms
Author :
Yang, Lie-Liang ; Hanzo, Lajos
Author_Institution :
Dept. of Electr. & Comput. Sci., Southampton Univ., UK
Abstract :
In this contribution the family of generalized multicarrier DS-CDMA (MC DS-CDMA) schemes is investigated, when considering time-domain half-sine and raised-cosine chip waveforms, in addition to the rectangular chip waveform. Our results show that for a given subcarrier spacing the particular choice of the chip waveform has a substantial influence on the system´s performance. However, in the context of MC DS-CDMA using the optimum subcarrier spacing, all chip waveforms may provide a similar bit error rate (BER) performance.
Keywords :
Gaussian processes; code division multiple access; error statistics; interference (signal); spread spectrum communication; time-domain analysis; BER performance; Gaussian approximation; MC DS-CDMA; MPI; MUI; bit error rate; closed-form equation; multicarrier direct sequence code division multiple access; multipath interference; multiuser interference; raised-cosine chip waveform; rectangular chip waveform; subcarrier spacing; time-domain half-sine chip waveform; AWGN; Bit error rate; Context; Fading; Frequency; Interference; Multiaccess communication; Performance gain; Signal processing; Time domain analysis;
Conference_Titel :
Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-7700-1
DOI :
10.1109/WCNC.2003.1200471
