Receiver design for OFDM-CDMA systems with multiplexed STBC

Author

Zheng, Kan ; Wang, Jianfeng ; Wang, Wenbo

Author_Institution

Wireless Signal Process. Lab., Beijing Univ. of Posts & Telecommun.

Volume

4

fYear

2005

fDate

11-14 Sept. 2005

Firstpage

2420

Abstract

OFDM combined with CDMA has emerged as an attractive technique due to its low equalization complexity and good performance in multipath fading channels due to frequency Rake receiver. Using the transmitter diversity scheme and layered space-time (LST) architecture with OFDM-CDMA, high spectral efficiency and good error rate performance can be achieved at the same time. In this paper, the transceiver structure in OFDM-CDMA with multiplexed space-time block codes (STBC) is proposed, in which the number of receive antennas can be less than that of transmit antennas. Computer simulation demonstrates effectiveness of this detector and conclusion is followed

Keywords

OFDM modulation; antenna arrays; block codes; code division multiple access; diversity reception; equalisers; fading channels; multipath channels; radio receivers; receiving antennas; space-time codes; transmitting antennas; OFDM-CDMA system; equalization complexity; frequency Rake receiver; multipath fading channel; multiplexed STBC; receive antenna; space-time block code; transmit antenna; transmitter diversity scheme; Computer architecture; Error analysis; Fading; Multiaccess communication; Multipath channels; OFDM; RAKE receivers; Receiving antennas; Transceivers; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on

Conference_Location

Berlin

Print_ISBN

9.7838007291e+012

Type

conf

DOI

10.1109/PIMRC.2005.1651877

Filename

1651877