DocumentCode
2739693
Title
Transmission adaptation for MIMO system
Author
Jiang Yu ; Yong Teng ; Guangxin Yue
Author_Institution
Beijing Univ. of Posts & Telecommun., Beijing
fYear
2007
fDate
11-13 July 2007
Firstpage
120
Lastpage
124
Abstract
Different transmission schemes have different diversity and multiplexing tradeoff characters. Adjusting MIMO transmission scheme according to channel quality indicator (CQI) or channel state information will improve system performance. This paper proposes a new transmission adaptation solution depending on two-dimensional channel quality indicators with the aim to enhance system throughput performance. This is realized by using different transmission schemes, which support different data streams. We first implement our algorithm in single carrier MIMO system and then extend it to MIMO-OFDM system with practical correlation scenario. Simulation results show significant throughput gain compared to conventional fixed transmission schemes and conventional adaptation technique.
Keywords
MIMO communication; channel allocation; MIMO system; channel quality indicator; channel state information; transmission adaptation; Adaptation models; Artificial neural networks; MIMO; OFDM; Reliability; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications, Circuits and Systems, 2007. ICCCAS 2007. International Conference on
Conference_Location
Kokura
Print_ISBN
978-1-4244-1473-4
Type
conf
DOI
10.1109/ICCCAS.2007.6250063
Filename
6250063
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