Programming Languages White Papers
Performance of Multicarrier DS-CDMA Systems Using Chaotic Spreading Codes With Arbitrary Carrier Spacing
Overview The MultiCarrier (MC) Direct-Sequence (DS) Code Division Multiple Access (CDMA) system employing chaotic spreading sequences is considered in this paper. Firstly, the Multiple Access Interference (MAI) of the MC DS-CDMA system using chaotic spreading sequences with arbitrary amount of carrier spacing is theoretically analyzed. The investigation of optimum parameters of autocorrelation together with the optimum spacing between subcarriers is carried out in order to minimize the MAI. The average Bit Error Probability (BEP) derived from the resultant minimized MAI is compared with that for conventional independent and identically distributed (i.i.d.) binary sequences. Numerical examples show the superiority of chaotic spreading sequences to i.i.d. codes in terms of the average BEP.
| Publisher | Sojo University | File Format | |
|---|---|---|---|
| Date Published | October 2008 | ||
| Format | White Papers | ||
| Topics | |||
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