Title :
Performance comparison of receivers for the up-link of cyclic prefixed and non-prefixed MC-CDMA systems
Author :
Ikonomou, Demosthenes ; Vandendorpe, Luc
Author_Institution :
Univ. Catholique de Louvain, Louvain-la-Neuve, Belgium
Abstract :
Ikonomou (see Ph.D. Dissertation, UCL, Belgium, June 2002) and Ikonomou and Vandendorpe (see European Transactions on Telecommunications (ETT) Journal, vol.10, no.4, p.407-415, July/August 1999) proposed two fractionally spaced (FS) decision feedback equalising (DFE) receivers performing single user detection (SUD) or joint detection (JD) used in non-cyclic prefixed (NCP) multicarrier-CDMA (MC-CDMA) schemes. The objective of this paper is to compare the performance of the above two equalising schemes, against a simpler receiver structure consisting by a single-tap filter bank used in a cyclic prefixed (CP) MC-CDMA scheme. In the context of the latter, two different banks of single-tap filters are presented: one designed to perform classical zero forcing (ZF) detection and one designed for the minimum mean square error (MMSE) criterion. A comparison is finally made in terms of the bit error rate (BER) between NCP MC-CDMA schemes that use equalising receivers and schemes that use the CP extension technique.
Keywords :
channel bank filters; code division multiple access; decision feedback equalisers; error statistics; land mobile radio; least mean squares methods; multiuser channels; multiuser detection; radio links; BER; DFE receivers; MMSE criterion; bit error rate; cyclic prefixed MC-CDMA systems; fractionally spaced decision feedback equalising receivers; joint detection; minimum mean square error; mobile communications channel; multicarrier-CDMA; nonprefixed MC-CDMA systems; receiver performance; receiver structure; single user detection; single-tap filter bank; single-tap filters; up-link; zero forcing detection; Binary phase shift keying; Bit error rate; Decision feedback equalizers; Filter bank; Interference; MIMO; Multiaccess communication; Multicarrier code division multiple access; Propagation losses; Steady-state;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on
Print_ISBN :
0-7803-7589-0
DOI :
10.1109/PIMRC.2002.1047338
