On the performance of different channel pre-compensation techniques for uplink time division duplex MC-CDMA

Author

Cosovic, Ivan ; Schnell, Michael ; Springer, Andreas

Author_Institution

Inst. of Commun. & Navigation, German Aerosp. Res. Establ., Wessling, Germany

Volume

2

fYear

2003

fDate

6-9 Oct. 2003

Firstpage

857

Abstract

Time division duplex multi-carrier code-division multiple-access (TDD/MC-CDMA) operates on the premise that there is a strong correlation between up- and downlink channel conditions. When using TDD mode, the effects of the channel on the uplink signal can be pre-compensated at the mobile station, based on the channel estimation from the downlink frame. The aim of this paper is to carry out a performance comparison of different TDD/MC-CDMA channel pre-compensation techniques in the uplink. Furthermore, the power constraint condition, that maintains the transmitted power the same as in the case without pre-compensation, is introduced. Different pre-compensation techniques with power constraint are analyzed in different mobile radio environments and for different lengths of the transmission frame.

Keywords

channel estimation; code division multiple access; compensation; equalisers; mobile radio; time division multiple access; channel pre-compensation techniques; downlink channel conditions; downlink frame channel estimation; equalization; mobile radio environments; multicarrier code-division multiple-access; power constraint conditions; time division duplex; transmission frame length; uplink TDD MC-CDMA; Aerospace engineering; Channel estimation; Diversity reception; Downlink; Frequency; Interleaved codes; Land mobile radio; Multicarrier code division multiple access; Navigation; Radio transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th

ISSN

1090-3038

Print_ISBN

0-7803-7954-3

Type

conf

DOI

10.1109/VETECF.2003.1285142

Filename

1285142