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34205

Multi-user detection based on neural network for multi-carrier code division multiple access systems

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Last updated: 24 Dec 2024

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Abstract

Abstract:
In this paper, we present fundemental linear multiuser detection (MUD) techniques and
compare them with the technique based on neural network (NN) in multicarrier code
division multiple access (MC-CDMA) systems. In a MC-CDMA system, increasing
with the number of users, receiver's bit error rate (BER) performance goes up. Also,
the system' s performance is effected by the power level differences among the users.
Simulation results demostrate the higher performance of NN receiver compared to
conventional receiver (matched filter) for MC-CDMA. And also, performance results
show that the NN structure, gives nearer results comparing to decorrelator and MMSE
receivers. Simulations implemented in MATLAB program and performances are
examined for synchronous communication and AWGN channels. The Levenberg-
Marquardt algorithm is used as the learning algorithm for NN.

DOI

10.21608/iceeng.2008.34205

Keywords

Multiuser detection (MUD), MC-CDMA, Neural network

Authors

First Name

Necmi

Last Name

Taşpinar

MiddleName

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Affiliation

Department of Electrical and Electronic Engineering, Erciyes University, Kayseri, Turkey

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First Name

Metin

Last Name

Çiçek

MiddleName

-

Affiliation

Graduate School of Natural and Applied Sciences, Erciyes University, Kayseri, Turkey.

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First Name

Yalçin

Last Name

Işik

MiddleName

-

Affiliation

Silifke-Taşucu Vocational High School, Selçuk University, ççel, Turkey.

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Volume

6

Article Issue

6th International Conference on Electrical Engineering ICEENG 2008

Related Issue

5700

Issue Date

2008-05-01

Receive Date

2019-06-10

Publish Date

2008-05-01

Page Start

1

Page End

11

Print ISSN

2636-4433

Online ISSN

2636-4441

Link

https://iceeng.journals.ekb.eg/article_34205.html

Detail API

https://iceeng.journals.ekb.eg/service?article_code=34205

Order

18

Type

Original Article

Type Code

833

Publication Type

Journal

Publication Title

The International Conference on Electrical Engineering

Publication Link

https://iceeng.journals.ekb.eg/

MainTitle

Multi-user detection based on neural network for multi-carrier code division multiple access systems

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Type

Article

Created At

22 Jan 2023