MISO model for improving BER performance of OFDM-CDMA system with pilot tone

Author

Urosevic, Ugljesa ; Veljovic, Zoran ; Radusinovic, Igor

fYear

2011

fDate

22-24 Nov. 2011

Firstpage

509

Lastpage

512

Abstract

In this paper, MISO scheme is proposed as a solution for improving BER performance of the OFDM-CDMA downlink system with pilot tone and threshold detection combining (optimum TDC). BER (Bit Error Rate) performance is evaluated through originally developed simulation model in the case of Ricean frequency selective fading. The analyzed system uses space-time block coding applied to two, three and four transmit antennas. Channel estimation is performed by implementing pilot sequences at each transmit antenna. The simulation results show that the proposed scheme provides significantly better BER performance.

Keywords

MIMO communication; OFDM modulation; antenna arrays; channel coding; channel estimation; code division multiple access; error statistics; space-time block codes; transmitting antennas; BER performance; MISO model; OFDM-CDMA downlink system; Ricean frequency selective fading; bit error rate performance; channel estimation; pilot tone; space-time block coding; transmit antennas; Bit error rate; Diversity reception; Downlink; Fading; Multiaccess communication; OFDM; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Telecommunications Forum (TELFOR), 2011 19th

Conference_Location

Belgrade

Print_ISBN

978-1-4577-1499-3

Type

conf

DOI

10.1109/TELFOR.2011.6143598

Filename

6143598