Orthogonal space-time block codes for large MIMO systems


Halmi, Mohd Hairi and Abdellatif, Mudathir and Nooridin, Norain (2015) Orthogonal space-time block codes for large MIMO systems. In: 2015 International Conference on Communications, Management and Telecommunications (ComManTel). IEEE, pp. 78-82. ISBN 978-1-4673-6547-5

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Currently, detailed study of Orthogonal Space-Time Block Codes (OSTBC) in MIMO literature is mostly limited to conventional MIMO, i.e. MIMO systems with at most 8 transmit and 8 receive antennas. In view of the situation, this paper studies the implementation of OSTBC in Large MIMO systems. The paper presents OSTBC for transmission of real symbols that can support up to 32 transmit and 32 receive antennas. Simulation results show that real OSTBC system performance is highly dependent on the code rate of the transmission matrix as well and the number of antennas used. In general, lower code rate OSTBC has better BER performance than higher code rate OSTBC, but for systems with less than 32 transmit or receive antennas, higher code rate OSTBC can outperform the lower code rate OSTBC if the receive diversity gain is significant.

Item Type: Book Section
Uncontrolled Keywords: Large MIMO, OSTBC, diversity, signal processing
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 13 Dec 2017 16:32
Last Modified: 13 Dec 2017 16:32
URII: http://shdl.mmu.edu.my/id/eprint/6633


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