Extended Alamouti codes in correlated channels using partial feedback

Author

Badic, Biljana ; Rupp, Markus ; Weinrichter, Hans

Author_Institution

Inst. for Commun. & Radio Frequency Eng., Vienna Univ. of Technol., Austria

Volume

2

fYear

2004

fDate

20-24 June 2004

Firstpage

896

Abstract

In this paper we present a family of quasi-orthogonal space-time codes for correlated MIMO (multi-input/multi-output) channels using four and eight transmit antennas when only partial channel state information is sent back to the transmitter. Transmit diversity is improved up to nearly the optimum diversity value. This high diversity can be exploited with zero forcing receivers as well as with maximum-likelihood receivers.

Keywords

MIMO systems; antenna arrays; block codes; channel coding; correlation methods; diversity reception; feedback; matrix algebra; maximum likelihood detection; radio transmitters; space-time codes; transmitting antennas; Alamouti codes; channel state information; correlated MIMO channels; maximum-likelihood receivers; multiple-input multiple-output channels; optimum diversity value; partial feedback; quasiorthogonal space-time codes; transmit antennas; zero forcing receivers; Bit error rate; Block codes; Channel state information; Feedback; MIMO; Maximum likelihood decoding; Radio transmitters; Receiving antennas; Switches; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 2004 IEEE International Conference on

Print_ISBN

0-7803-8533-0

Type

conf

DOI

10.1109/ICC.2004.1312631

Filename

1312631