On the Design of Turbo Equalizers for SC-FDE Schemes with Different Error Protections

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Abstract

This paper compares the relative performance of coded single carrier frequency domain equalisation (SC-FDE) and orthogonal frequency-division multiplexing (OFDM) on frequency-selective fading channels. We focus on the extent to which the two schemes can exploit the frequency diversity inherent in such channels. Channels with different impulse response lengths, and therefore available diversity order are considered, with convolutional codes of different rates and constraint lengths, and also turbo-codes. We show that on all channels SC-FDE has better performance with codes having smaller minimum distance. However with more powerful codes, which enable it to exploit the full frequency diversity available in the channel, OFDM has better performance, particularly on channels with greater diversity.
Original languageUnknown
Title of host publicationIEEE Vehicular Technology Conference
Pages1-5
DOIs
Publication statusPublished - 1 Jan 2010
Event2010 IEEE 72nd Vehicular Technology Conference - Fall -
Duration: 1 Jan 2010 → …

Conference

Conference2010 IEEE 72nd Vehicular Technology Conference - Fall
Period1/01/10 → …

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