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Paper Information

Journal:   IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING   MARCH 2016 , Volume 12 , Number 1; Page(s) 1 To 8.
 
Paper: 

COOPERATIVE ORTHOGONAL SPACE-TIME-FREQUENCY BLOCK CODES OVER A MIMO-OFDM FREQUENCY SELECTIVE CHANNEL

 
 
Author(s):  REZAEI M., FALAHATI A.*
 
* DEPARTMENT OF ELECTRICAL ENGINEERING, IRAN UNIVERSITY SCIENCE AND TECHNOLOGY TEHRAN, IRAN
 
Abstract: 

In this paper, a cooperative algorithm to improve the orthogonal space-timefrequency block codes (OSTFBC) in frequency selective channels for2 ´ 1, 2 ´ 2, 4 ´1, 4 ´ 2 MIMO-OFDM systems, is presented. The algorithm of three node, a source node, a relay node and a destination node is formed, and is implemented in two stages.
During the first stage, the destination and the relay antennas receive the symbols sent by the source antennas. The destination node and the relay node obtain the decision variables employing time-space-frequency decoding process by the received signals. During the second stage, the relay node transmits decision variables to the destination node. Due to the increasing diversity in the proposed algorithm, decision variables in the destination node are increased to improve system performance. The bit error rate of the proposed algorithm at high SNR is estimated by considering the BPSK modulation. The simulation results show that cooperative orthogonal space-time-frequency block coding, improves system performance and reduces the BER in a frequency selective channel.

 
Keyword(s): BER, COOPERATIVE, FREQUENCY-SELECTIVE CHANNEL, MIMO-OFDM, MULTIPATH DIVERSITY, OSTFBC, RELAY, SPATIAL DIVERSITY
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

REZAEI, M., & FALAHATI, A. (2016). COOPERATIVE ORTHOGONAL SPACE-TIME-FREQUENCY BLOCK CODES OVER A MIMO-OFDM FREQUENCY SELECTIVE CHANNEL. IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING, 12(1), 1-8. https://www.sid.ir/en/journal/ViewPaper.aspx?id=571473



Vancouver: Copy

REZAEI M., FALAHATI A.. COOPERATIVE ORTHOGONAL SPACE-TIME-FREQUENCY BLOCK CODES OVER A MIMO-OFDM FREQUENCY SELECTIVE CHANNEL. IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING. 2016 [cited 2021July29];12(1):1-8. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571473



IEEE: Copy

REZAEI, M., FALAHATI, A., 2016. COOPERATIVE ORTHOGONAL SPACE-TIME-FREQUENCY BLOCK CODES OVER A MIMO-OFDM FREQUENCY SELECTIVE CHANNEL. IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING, [online] 12(1), pp.1-8. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571473.



 
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