MIMO-OFDM: Maximum diversity using maximum likelihood detector

Author

Sahrab, Ammar Ali ; Marghescu, Ion

Author_Institution

Electron. Telecommun. & Inf. Technol., Politeh. Univ., Bucharest, Romania

fYear

2014

fDate

29-31 May 2014

Firstpage

1

Lastpage

4

Abstract

Multiple-Input Multiple-Output (MIMO) systems offer considerable increase in data throughput and link range without additional bandwidth or transmit power by using several antennas at transmitter and receiver to improve wireless communication system performance. At the same time, Orthogonal Frequency Division Multiplexing (OFDM) has becoming a very popular multi-carrier modulation technique for transmission of signals over wireless channels. OFDM eliminate Inter-Symbol-Interference (ISI) and allows the bandwidth of subcarriers to overlap without Inter Carrier Interference (ICI). A MIMO-OFDM modulation technique can achieve reliable high data rate transmission over broadband wireless channels. This paper deals with the analysis of a MIMO-OFDM system by using a MATLAB program. The performance of the system is evaluated on the basis of Bit Error Rate (BER) and Minimum Mean Square Error (MMSE) level.

Keywords

MIMO communication; OFDM modulation; error statistics; intercarrier interference; intersymbol interference; maximum likelihood detection; mean square error methods; wireless channels; BER; ICI; ISI; MATLAB program; MIMO-OFDM modulation technique; MMSE; bit error rate; data throughput; inter carrier interference; inter-symbol-interference; link range; maximum diversity; maximum likelihood detector; minimum mean square error; multicarrier modulation technique; multiple-input multiple-output systems; orthogonal frequency division multiplexing; wireless channels; wireless communication system performance; Bit error rate; MIMO; OFDM; Receiving antennas; Transmitting antennas; Wireless communication; MIMO-OFDM; MMSE; channel estimation; diversity; multipath propagation; space time coding; spatial multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications (COMM), 2014 10th International Conference on

Conference_Location

Bucharest

Type

conf

DOI

10.1109/ICComm.2014.6866759

Filename

6866759