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Tytuł: Channel Identification Using Chaos for an Uplink/Downlink Multicarrier Code Division Multiple Access System, Journal of Telecommunications and Information Technology, 2010, nr 1

Autor:

Safi, Said ; Targui, Boubekeur ; Frikel, Miloud ; M’Saad, Mohammed

Data wydania:

2010, nr 1

Typ zasobu:

artykuł

Opis:

A scheme of chaotic spreading sequence for multicarrier code division multiple access system (MC-CDMA) is proposed to estimate the transmission channel. This system spreads spectrum and identifies the channel, simultaneously. The proposed scheme uses a chaotic sequence generated by a logistic map as a training signal and estimate channel parameters according to dynamics of the chaotic sequence. Encoding data by chaotic sequences is first built and then the orthogonal codes are used to spread the encrypted data for multiusers scheme. At the reception, first the channel parameters are identified using a training chaotic sequence in order to equalize the received data, and then the encrypted information is decoded for the desired user. The studies reveal that the proposed system (chaos plus orthogonal codes) significantly outperforms the Walsh-Hadamard code spreading in MC-CDMA system. The performance of the system is considered in the multiuser case by means of simulation. The simulation result shows that the proposed chaotic code spreading approach for channel identification achieves significant improvement in the channel identification, comparing to using others training sequence or the least square method.

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Identyfikator zasobu:

oai:bc.itl.waw.pl:770 ; ISSN 1509-4553, on-line: ISSN 1899-8852

DOI:

10.26636/jtit.2010.1.1063

ISSN:

1509-4553

eISSN:

1899-8852

Źródło:

Journal of Telecommunications and Information Technology

Język:

ang

Prawa:

Biblioteka Naukowa Instytutu Łączności

Temat i słowa kluczowe:

equalization channel identification MC-CDMA system chaos code

Kolekcje, do których przypisany jest obiekt:

Data ostatniej modyfikacji:

28 sie 2024

Data dodania obiektu:

5 paź 2010

Liczba wyświetleń treści obiektu:

262

Wszystkie dostępne wersje tego obiektu:

https://bc.itl.waw.pl/publication/854

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Wyświetl opis w formacie OAI-PMH:

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Nazwa wydania Data
Frikel, Miloud; Safi, Said; Targui, Boubekeur; M’Saad, Mohammed, Channel Identification Using Chaos for an Uplink/Downlink Multicarrier Code Division Multiple Access System, Journal of Telecommunications and Information Technology, 2010, nr 1 28 sie 2024

Obiekty Podobne
Higher Order Cumulants for Identification and Equalization of Multicarrier Spreading Spectrum Systems, Journal of Telecommunications and Information Technology, 2011, nr 2

Safi, Said Frikel, Miloud M’Saad, Mohammed Zeroual, Abdelouhab

2011, nr 2
artykuł
Using Least Mean p-Power Algorithm to Correct Channel Distortion in MC-CDMA Systems, Journal of Telecommunications and Information Technology, 2018, nr 3

Frikel, Miloud Sabri, Mohamed Zidane, Mohammed Safi, Said

2018, nr 3
artykuł
Adaptive Algorithms Versus Higher Order Cumulants for Identification and Equalization of MC-CDMA, Journal of Telecommunications and Information Technology, 2014, nr 3

Safi, Said Frikel, Miloud Sabri, Mohamed Boumezzough, Ahmed Zidane, Mohammed

2014, nr 3
artykuł
An Extended Version of the Proportional Adaptive Algorithm Based on Kernel Methods for Channel Identification with Binary Measurements, Journal of Telecommunications and Information Technology, 2022, nr 3

Safi, Said Darif, Anouar Fateh, Rachid

2022, nr 3
artykuł
Compensation of Fading Channels Using Partial Combining Equalizer in MC-CDMA Systems, Journal of Telecommunications and Information Technology, 2017, nr 1

Safi, Said Sabri, Mohamed Zidane, Mohammed

2017, nr 1
artykuł
Performance Evaluation of MC-CDMA Systems with Single User Detection Technique using Kernel and Linear Adaptive Method, Journal of Telecommunications and Information Technology, 2021, nr 4

Safi, Said Darif, Anouar Fateh, Rachid

2021, nr 4
artykuł
Lorentzian Operator for Angular Source Localization with Large Array, Journal of Telecommunications and Information Technology, 2015, nr 4

Safi, Said Frikel, Miloud Khmou, Youssef

2015, nr 4
artykuł
Focusing Operators and Tracking Moving Wideband Sources , Journal of Telecommunications and Information Technology, 2016, nr 4

Safi, Said Frikel, Miloud Khmou, Youssef

2016, nr 4
artykuł
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Adres

Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

Telefon

(+48) 5128 696

E-Mail

biblioteka@il-pib.pl

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