Multicarrier transmission systems with spreading sequences in large delay spread channel

Author

Abudoukeremu, Ainiwan ; Ida, Yasutoshi ; Matsumoto, Tad ; Matsufuji, Shinya

Author_Institution

Grad. Sch. of Sci. & Eng., Yamaguchi Univ., Yamaguchi, Japan

fYear

2013

fDate

Oct. 27 2013-Nov. 1 2013

Firstpage

80

Lastpage

83

Abstract

In multi-carrier transmission systems, MC-CDMA and MC-DS-CDMA have been proposed. However, when large delay spread is longer than guard interval (GI), the inter symbol interference (ISI) and inter carrier interference (ICI) are occurred. Their interferences cause the system performance deterioration. This paper treats MC-CDMA and MC-DS-CDMA with four kinds of orthogonal spreading sequence including even-shift orthogonal sequences (E-sequence) type zero correlation zone (E-ZCZ) code in large delay spread channel. Moreover, interleaving method is considered in MC-DS-CDMA. Finally, the bit error rate (BER) performance is evaluated by computer simulation.

Keywords

code division multiple access; delays; error statistics; intersymbol interference; telecommunication channels; BER performance; E-ZCZ code; E-sequence type zero correlation zone; ICI; ISI; MC-DS-CDMA; bit error rate; computer simulation; evenshift orthogonal sequences; guard interval; inter carrier interference; inter symbol interference; large delay spread channel; multicarrier transmission systems; orthogonal spreading sequence; spreading sequences; Bit error rate; Correlation; Delays; Error correction codes; Fading; Multicarrier code division multiple access; MC-CDMA; MC-DS-CDMA; ZCZ code; delay spread; interleaving;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Design and Its Applications in Communications, The Sixth International Workshop on

Conference_Location

Tokyo

Print_ISBN

978-1-4799-6028-6

Type

conf

DOI

10.1109/IWSDA.2013.6849067

Filename

6849067