Title :
On BER performance of block coding MC-ZCZ-CDMA
Author :
Abudoukeremu, A. ; Huang, J. ; Ida, Y. ; Matsumoto, T. ; Matsufuji, S.
Author_Institution :
Grad. Sch. of Sci. & Eng., Yamaguchi Univ., Ube, Japan
Abstract :
This paper clarifies the bit error rate (BER) performance of a new multicarrier code division multiple access (MC-CDMA) scheme without the multiple access interference (MAI) and inter carrier interference (ICI) over a very large delay spread channel, which can be characterized by a block coding technique using a set of sequences with a zero correlation zone (ZCZ code) and the minimum mean square error (MMSE) Rake receiver with a pilot-symbol-aided channel estimation to remove MAI and ICI, and to reduce the influence of the inter symbol interference (ISI), respectively. It is not necesseary to use the frequency domain equalization technique which has been always applied in multicarrier communications. The length of delay chips is related to only block size and does not depend on the size of the zero correlation zone and the number of users.
Keywords :
block codes; channel estimation; code division multiple access; error statistics; intercarrier interference; intersymbol interference; least mean squares methods; BER performance; ICI; ISI; MAI; MC-CDMA scheme; MMSE Rake receiver; ZCZ code; bit error rate performance; block coding MC-ZCZ-CDMA; frequency domain equalization technique; intercarrier interference; intersymbol interference; minimum mean square error Rake receiver; multicarrier code division multiple access scheme; multicarrier communications; multiple access interference; pilot-symbol-aided channel estimation; zero correlation zone; Bit error rate; Correlation; Delays; Discrete Fourier transforms; Fading; Multiaccess communication; Multipath channels;
Conference_Titel :
Information Theory and its Applications (ISITA), 2014 International Symposium on
Conference_Location :
Melbourne, VIC
