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Fractionally Spread Multicarrier CDMA: A Multiple-Access Scheme for Various Wireless Channels

Yang, L-L. and Hanzo, L. (2003) Fractionally Spread Multicarrier CDMA: A Multiple-Access Scheme for Various Wireless Channels At of PIMRC'2003, China. 07 - 10 Sep 2003. , pp. 270-274.

Record type: Conference or Workshop Item (Paper)


In multicarrier code-division multiple-access (MCCDMA) the total system bandwidth is divided into a number of subbands, where each subband may use direct-sequence (DS) spreading and each subband signal is transmitted using a subcarrier frequency. In this contribution we divide the symbol duration into a number of fractional sub-symbol durations also referred to here as fractions, in a manner analogous to subbands in MCCDMA systems. In the proposed MC-CDMA scheme the data streams are spread at both the symbol-fraction level and at the chip level by the transmitter, and hence the proposed scheme is referred to as the fractionally-spread MC-CDMA arrangement, or FS MC-CDMA. In comparison to conventional MC-CDMA schemes, which are suitable for communications over frequency selective fading channels, our study demonstrates that the proposed FS MC-CDMA is capable of efficiently exploiting both the frequency-selective and the time-selective characteristics of wireless channels.

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Published date: 2003
Additional Information: Event Dates: 7-10 September 2003
Venue - Dates: of PIMRC'2003, China, 2003-09-07 - 2003-09-10
Organisations: Southampton Wireless Group


Local EPrints ID: 258428
PURE UUID: 19fc6fbb-f7fe-408e-9603-26c044b03a17
ORCID for L-L. Yang: ORCID iD

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Date deposited: 30 Oct 2003
Last modified: 18 Jul 2017 09:32

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Author: L-L. Yang ORCID iD
Author: L. Hanzo

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