Evaluation of Space-Time-Frequency (STF)-Coded MIMO-OFDM Systems in Realistic Channel Models

Author

Kehrle Miranda, Ricardo ; Lustosa da Costa, Joao Paulo C. ; Marinho, M.A.M. ; Pignaton de Freitas, Edison ; Freitas De Ramos, Rafael ; Kefei Liu ; Hing Cheung ; Baltar, Leonardo ; de Sousa, Rafael T.

Author_Institution

Dept. of Electr. Eng., Univ. of Brasilia, Brasilia, Brazil

fYear

2014

fDate

13-16 May 2014

Firstpage

310

Lastpage

315

Abstract

By taking into account several dimension of the transmitted signal, such as space, frequency, period and time, MIMO-OFDM systems allow an increased spectral efficiency and an improved identifiability in comparison to matrix solutions. In this paper, we evaluate MIMO-OFDM systems for geometric scenarios where the narrow band approximation is violated. To this end a new data model is proposed to better represent the behavior of the system in the presence of wide band signals. Moreover, we also relax the assumption that the amount of transmitted antennas is equal to the number of transmitted symbols.

Keywords

MIMO communication; OFDM modulation; error statistics; geometry; network coding; radio spectrum management; telecommunication channels; telecommunication signalling; transmitting antennas; STF-coded MIMO-OFDM systems; channel models; data model; geometric scenarios; matrix solutions; narrow band approximation; space-time-frequency-coded MIMO-OFDM systems; spectral efficiency; transmitted antennas; transmitted signal; transmitted symbols; wide band signals; Bit error rate; Data models; Receiving antennas; Signal to noise ratio; Tensile stress; Transmitting antennas; Vectors;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Information Networking and Applications Workshops (WAINA), 2014 28th International Conference on

Conference_Location

Victoria, BC

Print_ISBN

978-1-4799-2652-7

Type

conf

DOI

10.1109/WAINA.2014.57

Filename

6844656