Upper and lower performance bounds for chaos-based asynchronous DS-CDMA systems

Gianluca Setti; Gianluca Mazzini; Riccardo Rovatti

Upper and lower performance bounds for chaos-based asynchronous DS-CDMA systems

Gianluca Setti, Gianluca Mazzini, Riccardo Rovatti

Research output: Contribution to journal › Article › peer-review

Abstract

Chaos-based spreading sequences for DS-CDMA have been recently proposed and their performance investigated in an asynchronous environment, with particular emphasis on co-channel interference evaluation and synchronization between spreading and despreading sequences. In many cases this approach to sequence generation resulted in a non-negligible increase in performance with respect to the classical ones. In this paper, a novel lower bound on co-channel interference is derived which is, together with the upper bounds already developed in literature, of particular interest when thinking of performance optimization by sequence selection.

Original language	English (US)
Journal	Proceedings - IEEE International Symposium on Circuits and Systems
Volume	5
State	Published - Jan 1 1999
Externally published	Yes

Cite this

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abstract = "Chaos-based spreading sequences for DS-CDMA have been recently proposed and their performance investigated in an asynchronous environment, with particular emphasis on co-channel interference evaluation and synchronization between spreading and despreading sequences. In many cases this approach to sequence generation resulted in a non-negligible increase in performance with respect to the classical ones. In this paper, a novel lower bound on co-channel interference is derived which is, together with the upper bounds already developed in literature, of particular interest when thinking of performance optimization by sequence selection.",

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AB - Chaos-based spreading sequences for DS-CDMA have been recently proposed and their performance investigated in an asynchronous environment, with particular emphasis on co-channel interference evaluation and synchronization between spreading and despreading sequences. In many cases this approach to sequence generation resulted in a non-negligible increase in performance with respect to the classical ones. In this paper, a novel lower bound on co-channel interference is derived which is, together with the upper bounds already developed in literature, of particular interest when thinking of performance optimization by sequence selection.

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Upper and lower performance bounds for chaos-based asynchronous DS-CDMA systems

Abstract

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