Performance aspects of transmit antenna diversity (TxAD) techniques for UTRA-TDD

Author

Steiner, Bernd

Author_Institution

Technologiezentrum, T-Nova Deutsche Telekom Innovationsgesellschaft mbH, Darmstadt, Germany

Volume

2

fYear

2000

fDate

2000

Firstpage

1165

Abstract

The application of transmit antenna diversity (TxAD) to the TDD mode of UMTS is considered. After comparing TxAD with coherent receiver antenna diversity (CRAD) which is used in the uplink of all major digital mobile radio systems, the advantages and drawbacks of TxAD are discussed. Furthermore, simulation results for non-adaptive TxAD techniques are presented. The SNR (signal to noise ratio) gain achievable by the application of TxAD ranges from 0.5 dB to 2.7 dB, depending on the propagation environment as well as the TxAD technique applied

Keywords

digital radio; diversity reception; land mobile radio; packet radio networks; transmitting antennas; SNR gain; TDD mode; UMTS; UTRA-TDD; coherent receiver antenna diversity; digital mobile radio systems; non-adaptive TxAD techniques; performance; propagation environment; signal to noise ratio; simulation results; transmit antenna diversity; uplink; 3G mobile communication; Antenna measurements; Base stations; Circuits; Land mobile radio; Mobile antennas; Receivers; Receiving antennas; Signal to noise ratio; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st

Conference_Location

Tokyo

ISSN

1090-3038

Print_ISBN

0-7803-5718-3

Type

conf

DOI

10.1109/VETECS.2000.851308

Filename

851308