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EnglishThis work aims at proposing a higher-order moments analysis, in order to obtain an effective characterisation (in a non-Gaussian sense) of the global DS/CDMA noise in the case of few-user systems and short spreading codes. The use of the Edgeworth series expansion, whose terms are directly linked with the statistical cumulants allows to reach a good approximation of the unknown probability density function of the global DS/CDMA noise. The results concerning the DS/CDMA BER obtained by using the Edgeworth expansion are then compared with the ones provided by the Gram-Charlier series, and by other higher-order-moment-based approximations already presented in literature
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| Titolo: | Use of Higher-Order Moments and related Distribution Series Expansions for Noise Characterisation and Performance Evaluation in Few-User Asynchronous Direct-Sequence Code Division Multiple Access (DS/CDMA) Systems |
| Autori: | |
| Data di pubblicazione: | 1999 |
| Abstract: | This work aims at proposing a higher-order moments analysis, in order to obtain an effective characterisation (in a non-Gaussian sense) of the global DS/CDMA noise in the case of few-user systems and short spreading codes. The use of the Edgeworth series expansion, whose terms are directly linked with the statistical cumulants allows to reach a good approximation of the unknown probability density function of the global DS/CDMA noise. The results concerning the DS/CDMA BER obtained by using the Edgeworth expansion are then compared with the ones provided by the Gram-Charlier series, and by other higher-order-moment-based approximations already presented in literature |
| Handle: | http://hdl.handle.net/11567/202517 |
| ISBN: | 9780780357969 |
| Appare nelle tipologie: | 04.01 - Contributo in atti di convegno |
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