Hybrid multiple-input multiple-output scheme combining precoded and non-precoded transmission

Halmi, Mohd Hairi; Alias, Mohamad Yusoff; Chuah, Teong Chee

doi:10.1049/iet-map.2010.0490

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…The advantages of utilising multiple antennas, such as transmit and receive spatial diversity, have been known and exploited for some time [1][2][3]. Recent implementation of MIMO includes its utilisation in mobile wireless systems such as Long Term Evolution-Advanced (LTE-A) and Worldwide Interoperability for Microwave Access (WiMAX), as well as its incorporation in the wireless local area networks IEEE 802.11n standard [4][5].…”

Section: Introductionmentioning

confidence: 99%

Orthogonal space-time block codes for large MIMO systems

Halmi

Abdellatif

Nooridin

2015

2015 International Conference on Communications, Management and Telecommunications (ComManTel)

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Currently, detailed study of Orthogonal SpaceTime 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.

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