Performance and Complexity Comparison of the Schemes to Increase Data Rate in MIMO-OFDM with Various Decoding Schemes

Author

Lee, Seungbeom ; Lee, Jin ; Park, Sin-Chong

Author_Institution

Inf. & Commun. Univ., Daejeon

fYear

2006

fDate

Aug. 31 2006-Sept. 1 2006

Firstpage

1

Lastpage

4

Abstract

Multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) is regarded as a promising technology enabling higher data rate wireless communications in multi-path fading channels. To achieve higher data rate, MIMO-OFDM use increasing the number of antenna from 2 up to 4, higher modulation schemes, or both of these technologies. In addition, there are several decoding schemes for MIMO-OFDM system. The performance and complexity of the MIMO-OFDM receiver depend on modulation type, the number of antenna and decoding schemes. This paper analyzes the complexity and performance tradeoff between two above technologies for increasing data rate in MIMO-OFDM system with varios decoding schemes such as MMSE, list square decoding (LSD), and iterative decoding with LSD. Convolutional code (R=1/2, K=7) is used as outer channel code

Keywords

MIMO communication; OFDM modulation; channel coding; convolutional codes; fading channels; modulation coding; multipath channels; radio receivers; MIMO-OFDM receiver; channel code; convolutional code; decoding schemes; higher data rate wireless communications; multipath fading channels; multiple input multiple output technology; orthogonal frequency division multiplexing; Convolutional codes; Iterative decoding; MIMO; OFDM; Performance analysis; Quadrature phase shift keying; Receiving antennas; Throughput; Transmitters; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 2006. APCC '06. Asia-Pacific Conference on

Conference_Location

Busan

Print_ISBN

1-4244-0573-4

Electronic_ISBN

1-4244-0574-2

Type

conf

DOI

10.1109/APCC.2006.255941

Filename

4023049