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65211

Rapid Estimation for Spreading Functions of Multipath CDMA Wireless Communication Channels

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Last updated: 25 Dec 2024

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Abstract

In this paper, we present a robust and fast computational algorithm for estimating the spreading function of multipath CDMA wireless communication channels in multi-user Direct Sequence Spread Spectrum (DSSS) communication systems. Transmission channels spread the message signals in time and frequency and are typically modeled as random, time-varying systems. The proposed algorithm is to provide a time-frequency dependent windows that can be computed priori to estimate the spreading function of multipath wireless communications channels. Computing such windows priori at the receiver will reduce a significant amount of computational load and to improve the previous proposed channel estimation work. It is shown that the estimation of the parameters of such models is possible by means of the spreading function which is obtained from the discrete time-frequency evolutionary kernel of the received signal using the discrete evolutionary transformation DET.

DOI

10.21608/mjeer.2008.65211

Keywords

Spreading function, Spread spectrum communications, Multipath channel modeling and estimation, Evolutionary time-frequency analysis

Authors

First Name

ABDULLAH ALI

Last Name

ALSHEHRI

MiddleName

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Affiliation

Assistant Professor, Department of Electrical Engineering, Jeddah College of Technology, Jeddah KSA

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Volume

17

Article Issue

2

Related Issue

9690

Issue Date

2008-07-01

Receive Date

2019-12-15

Publish Date

2008-07-01

Page Start

115

Page End

124

Print ISSN

1687-1189

Online ISSN

2682-3535

Link

https://mjeer.journals.ekb.eg/article_65211.html

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https://mjeer.journals.ekb.eg/service?article_code=65211

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3

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Original Article

Type Code

1,088

Publication Type

Journal

Publication Title

Menoufia Journal of Electronic Engineering Research

Publication Link

https://mjeer.journals.ekb.eg/

MainTitle

Rapid Estimation for Spreading Functions of Multipath CDMA Wireless Communication Channels

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Article

Created At

22 Jan 2023