Sub-carrier and band hopped orthogonal frequency division multiple access (OFDMA) systems

Muhammad Imadur Rahman, Ragnar Vidir Reynisson, Daniel Vaz Pato Figueiredo, Ramjee Prasad

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1 Citation (Scopus)

Resumé

This article proposes a novel way of grouping users in an orthogonal frequency division multiplexing (OFDM) communication link based on predefined criteria. The total available spectrum is divided into a number of bands equal to the number of groups. For efficient time-frequency resource allocation, sub-carrier and band hopping are used simultaneously. Under some constraints, sub-carriers can also be assigned to different users based on known channel characteristics using dynamic sub-carrier allocation. Sub-carrier and band hopping are used for mitigating the frequency selectivity of the wireless channel and for minimizing and avoiding interference in the system. The proposed scheme is equally applicable to both downlink and uplink. © 2008 Springer Science+Business Media, LLC.
OriginalsprogEngelsk
TidsskriftWireless Personal Communications
Udgave nummer1
Sider (fra-til)83-97
Antal sider15
ISSN0929-6212
DOI
StatusUdgivet - 2009
BegivenhedSub-carrier and band hopped orthogonal frequency division multiple access (OFDMA) systems -
Varighed: 19 maj 2010 → …

Konference

KonferenceSub-carrier and band hopped orthogonal frequency division multiple access (OFDMA) systems
Periode19/05/2010 → …

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Frequency division multiple access
Orthogonal frequency division multiplexing
Resource allocation
Telecommunication links
Industry

Bibliografisk note

Volumne: 50

Citer dette

Rahman, Muhammad Imadur ; Reynisson, Ragnar Vidir ; Figueiredo, Daniel Vaz Pato ; Prasad, Ramjee. / Sub-carrier and band hopped orthogonal frequency division multiple access (OFDMA) systems. I: Wireless Personal Communications. 2009 ; Nr. 1. s. 83-97.
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abstract = "This article proposes a novel way of grouping users in an orthogonal frequency division multiplexing (OFDM) communication link based on predefined criteria. The total available spectrum is divided into a number of bands equal to the number of groups. For efficient time-frequency resource allocation, sub-carrier and band hopping are used simultaneously. Under some constraints, sub-carriers can also be assigned to different users based on known channel characteristics using dynamic sub-carrier allocation. Sub-carrier and band hopping are used for mitigating the frequency selectivity of the wireless channel and for minimizing and avoiding interference in the system. The proposed scheme is equally applicable to both downlink and uplink. {\circledC} 2008 Springer Science+Business Media, LLC.",
author = "Rahman, {Muhammad Imadur} and Reynisson, {Ragnar Vidir} and Figueiredo, {Daniel Vaz Pato} and Ramjee Prasad",
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Sub-carrier and band hopped orthogonal frequency division multiple access (OFDMA) systems. / Rahman, Muhammad Imadur; Reynisson, Ragnar Vidir; Figueiredo, Daniel Vaz Pato; Prasad, Ramjee.

I: Wireless Personal Communications, Nr. 1, 2009, s. 83-97.

Publikation: Bidrag til tidsskriftKonferenceartikel i tidsskriftForskningpeer review

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AU - Figueiredo, Daniel Vaz Pato

AU - Prasad, Ramjee

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AB - This article proposes a novel way of grouping users in an orthogonal frequency division multiplexing (OFDM) communication link based on predefined criteria. The total available spectrum is divided into a number of bands equal to the number of groups. For efficient time-frequency resource allocation, sub-carrier and band hopping are used simultaneously. Under some constraints, sub-carriers can also be assigned to different users based on known channel characteristics using dynamic sub-carrier allocation. Sub-carrier and band hopping are used for mitigating the frequency selectivity of the wireless channel and for minimizing and avoiding interference in the system. The proposed scheme is equally applicable to both downlink and uplink. © 2008 Springer Science+Business Media, LLC.

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